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CRT2845 Deh-P840mp

This document is a service manual for the DEH-P840MP, P8400MP, and P8450MP multi-CD control high power CD/MP3/WMA players. It contains 8 sections that provide safety information, exploded views and parts lists, block and schematic diagrams, PCB connection diagrams, electrical parts lists, adjustment procedures, general troubleshooting information, and operational specifications. The manual instructs technicians on proper handling, testing, and repair of the units.

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0% found this document useful (0 votes)

541 views99 pages

CRT2845 Deh-P840mp

Uploaded by

Voja Elektronik

We take content rights seriously. If you suspect this is your content, claim it here.

Available Formats

Download as PDF, TXT or read online on Scribd

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Service DEH-P840MP/XN/UC

Manual ORDER NO.

CRT2845
MULTI-CD CONTROL HIGH POWER CD/MP3/WMA PLAYER WITH FM/AM TUNER

DEH-P840MP XN/UC

DEH-P8400MP XN/UC

DEH-P8450MP XN/ES

- This service manual should be used together with the following manual(s):
Model No. Order No. Mech. Module Remarks
CX-3007 CRT2820 S9MP3 CD Mech. Module:Circuit Description, Mech.Description, Disassembly

CONTENTS
1. SAFETY INFORMATION ............................................3 7. GENERAL INFORMATION .......................................65
2. EXPLODED VIEWS AND PARTS LIST .......................4 7.1 DIAGNOSIS ........................................................65
3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...18 7.1.1 DISASSEMBLY .........................................65
4. PCB CONNECTION DIAGRAM ................................38 7.1.2 CONNECTOR FUNCTION DESCRIPTION .......74
5. ELECTRICAL PARTS LIST ........................................48 7.2 PARTS .................................................................75
6. ADJUSTMENT..........................................................55 7.2.1 IC................................................................75
7.2.2 DISPLAY ....................................................92
7.3 OPERATIONAL FLOW CHART ...........................93
7.4 CLEANING ..........................................................93
8. OPERATIONS AND SPECIFICATIONS.....................94

For details, refer to "Important symbols for good services".

PIONEER CORPORATION 4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
PIONEER EUROPE NV Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936

C PIONEER CORPORATION 2002 K-ZZY. FEB. 2002 Printed in Japan

DEH-P840MP,P8400MP,P8450MP

[ Important symbols for good services ]

In this manual, the symbols shown-below indicate that adjustments, settings or cleaning should be made securely.
When you find the procedures bearing any of the symbols, be sure to fulfill them:
1. Product safety
You should conform to the regulations governing the product (safety, radio and noise, and other regulations), and
should keep the safety during servicing by following the safety instructions described in this manual.

2. Adjustments
To keep the original performances of the product, optimum adjustments or specification confirmation is indispensable.
In accordance with the procedures or instructions described in this manual, adjustments should be performed.

3. Cleaning
For optical pickups, tape-deck heads, lenses and mirrors used in projection monitors, and other parts requiring cleaning,
proper cleaning should be performed to restore their performances.

4. Shipping mode and shipping screws

To protect the product from damages or failures that may be caused during transit, the shipping mode should be set or
the shipping screws should be installed before shipping out in accordance with this manual, if necessary.

5. Lubricants, glues, and replacement parts

Appropriately applying grease or glue can maintain the product performances. But improper lubrication or applying
glue may lead to failures or troubles in the product. By following the instructions in this manual, be sure to apply the
prescribed grease or glue to proper portions by the appropriate amount.For replacement parts or tools, the prescribed
ones should be used.

- CD Player Service Precautions

1. For pickup unit(CXX1550) handling, please refer 2. During disassembly, be sure to turn the power off
to"Disassembly"(see page 65) since an internal IC might be destroyed when a con-
During replacement, handling precautions shall be nector is plugged or unplugged.
taken to prevent an electrostatic discharge(protection 3. Please checking the grating after changing the ser-
by a jumper-solder). vice pickup unit(see page 59).

2
DEH-P840MP,P8400MP,P8450MP

1. SAFETY INFORMATION

CAUTION

This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer.
Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair
complex products such as those covered by this manual.
Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty.
If you are not qualified to perform the repair of this product properly and safely, you should not risk trying to do so
and refer the repair to a qualified service technician.

WARNING

This product contains lead in solder and certain electrical parts contain chemicals which are known to the state of
California to cause cancer, birth defects or other reproductive harm.
Health & Safety Code Section 25249.6 - Proposition 65

3
DEH-P840MP,P8400MP,P8450MP

2. EXPLODED VIEWS AND PARTS LIST

2.1 PACKING (DEH-P840MP)
5 3
37
6
30
7 4 27
36 28
32
35 33 21
8 31 29 22
9
34 25 24
26 23

2
1
15

19
18
17

17
18
20

4
DEH-P840MP,P8400MP,P8450MP

NOTE:
- Parts marked by “*” are generally unavailable because they are not in our Master Spare Parts List.
- Screws adjacent to ∇ mark on the product are used for disassembly.
- For the applying amount of lubricants or glue, follow the instructions in this manual.
( In the case of no amount instructions, apply as you think it appropriate.)

- PACKING SECTION PARTS LIST (DEH-P840MP)

Mark No. Description Part No. Mark No. Description Part No.
1-1 Owner’s Manual CRD3569 22 Screw Assy CZE3169
1-2 Installation Manual CRD3570 * 23 Polyethylene Bag CEG-127
* 1-3 Caution Card CRP1268 * 24 Hexagonal Wrench CZE3176
* 1-4 Warranty Card CRY1070 * 25 Screw RMZ30H060FBK
1-5 Polyethylene Bag CEG1116 26 Belt CZN7661

2 Cord Assy CDE6563 27 Holder Assy CZX3172

3 Accessory Assy CEA3142 28 Holder Assy CZX3173
4 Spring CBH1650 29 Remote Control Assy CZX3257
5 Screw Assy CEA3140 30 Screw Assy CEA3144
6 Screw BPZ20P060FMC 31 Screw BMZ50P060FMC

* 7 Polyethylene Bag CEG-127 32 Screw CBA-102

8 Handle CNC5395 33 Screw CBA1002
9 Bush CNV3930 * 34 Polyethylene Bag CEG-127
* 10 Polyethylene Bag CEG-158 35 Screw CMZ50P060FMC
11 Polyethylene Bag CEG1185 36 Nut NF50FMC

12 Case Assy CXB8574 37 Strap CNC5402

* 13 Battery CEX1030
14 Sub Carton CHA3258
15 Carton CHG4661
16 Contain Box CHL4661

17 Protector CHP2538
18 Protector CHP2539
19 Protector CHP2541
20 Protector CHP2546
21 Remote Control Assy CXB9202

- Owner's Manual, Installation Manual

Part No. Language
CRD3569 English, French
CRD3570 English, French

5
DEH-P840MP,P8400MP,P8450MP

2.2 PACKING (DEH-P8400MP)

5 3
29
6
22
7 4 28
24
27 25
8 23
9
26

10
13

2 1

19
18
17

17
18
20

6
DEH-P840MP,P8400MP,P8450MP

- PACKING SECTION PARTS LIST (DEH-P8400MP)

Mark No. Description Part No. Mark No. Description Part No.
1-1 Owner’s Manual CRD3571 17 Protector CHP2538
1-2 Installation Manual CRD3572 18 Protector CHP2539
* 1-3 Caution Card CRP1268 19 Protector CHP2541
* 1-4 Card ARY1048 20 Protector CHP2546
1-5 Polyethylene Bag CEG1116 21 Remote Control Unit CXB8743

2 Cord Assy CDE6563 22 Screw Assy CEA3144

3 Accessory Assy CEA3142 23 Screw BMZ50P060FMC
4 Spring CBH1650 24 Screw CBA-102
5 Screw Assy CEA3140 25 Screw CBA1002
6 Screw BPZ20P060FMC * 26 Polyethylene Bag CEG-127

* 7 Polyethylene Bag CEG-127 27 Screw CMZ50P060FMC

8 Handle CNC5395 28 Nut NF50FMC
9 Bush CNV3930 29 Strap CNC5402
* 10 Polyethylene Bag CEG-158
11 Polyethylene Bag CEG1185

12 Case Assy CXB8574

* 13 Battery CEX1065
14 Sub Carton CHA3258
15 Carton CHG4662
16 Contain Box CHL4662

- Owner's Manual, Installation Manual

Part No. Language
CRD3571 English, French
CRD3572 English, French

7
DEH-P840MP,P8400MP,P8450MP

2.3 PACKING (DEH-P8450MP)

3
30
4 27
33 28
35 21
8 31 29 22
9
34 25 24
26 23

2
1
15

19
18
17

17
18
20

8
DEH-P840MP,P8400MP,P8450MP

- PACKING SECTION PARTS LIST (DEH-P8450MP)

Mark No. Description Part No. Mark No. Description Part No.
1-1 Owner’s Manual CRD3573 19 Protector CHP2541
1-2 Owner’s Manual CRD3574 20 Protector CHP2546
1-3 Installation Manual CRD3575 21 Remote Control Assy CXB9202
* 1-4 Caution Card CRP1268 22 Screw Assy CZE3169
1-5 Polyethylene Bag CEG1116 * 23 Polyethylene Bag CEG-127

2 Cord Assy CDE6563 * 24 Hexagonal Wrench CZE3176

3 Accessory Assy CEA3143 * 25 Screw RMZ30H060FBK
4 Spring CBH1650 26 Belt CZN7661
5-7 ••••• 27 Holder Assy CZX3172
8 Handle CNC5395 28 Holder Assy CZX3173

9 Bush CNV3930 29 Remote Control Assy CZX3257

* 10 Polyethylene Bag CEG-158 30 Screw Assy CEA2941
11 Polyethylene Bag CEG1088 31 Screw BMZ50P060FMC
12 Case Assy CXB8574 32 •••••
* 13 Battery CEX1030 33 Screw CBA1002

14 Sub Carton CHA3258 * 34 Polyethylene Bag CEG-127

15 Carton CHG4663 35 Screw CMZ50P060FMC
16 Contain Box CHL4663
17 Protector CHP2538
18 Protector CHP2539

- Owner's Manual, Installation Manual

Part No. Language
CRD3573 English, Spanish
CRD3574 Portuguese(B), Arabic
CRD3575 English, Spanish, Portuguese(B), Arabic

9
DEH-P840MP,P8400MP,P8450MP

2.4 EXTERIOR(1)

10
DEH-P840MP,P8400MP,P8450MP

(1) EXTERIOR(1) SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1 Screw BMZ26P040FMC 26 Plug(CN811) CKS-787
2 Screw BSZ26P060FMC 27 •••••
3 Screw BSZ30P050FZK * 28 Plug(CN101) CKS1058
4 Screw BSZ30P080FMC 29 Connector(CN832) CKS1082
5 Screw BSZ30P160FMC * 30 Connector(CN831) CKS2211

6 Cord Assy CDE6563 31 Connector(CN351) CKS3606

7 Fuse(10A) CEK1136 32 Connector(CN723) CKS3835
8 ••••• 33 Pin Jack(CN402) CKX1046
9 Cap CNS1472 34 Holder CNC5399
10 Resistor RS1/2PMF102J 35 Holder CNC9711

11 Flat Cable CDE7021 36 Holder CNC9713

12 Cord Assy CDE7026 37 Heat Sink CNR1615
13 Antenna Cable CDH1266 38 FM/AM Tuner Unit CWE1563
14 Holder CNC6469 39 Holder CNC8815
15 Holder CNC8659 40 Case Unit CXB8524

16 Holder CNC9708 41 Remote Control Assy See Contrast table(2)

17 Cushion CNM4870 42 Cover See Contrast table(2)
18 Insulator CNM7543 43 CD Mechanism Module(S9MP3) CXK5556
19 Panel CNS6863 44 IC(IC301) PAL007A
20 Tuner Amp Unit See Contrast table(2) 45 Screw ISS26P055FUC

21 Screw ASZ26P080FMC 46 Transistor(Q752,921) 2SD2396

22 Screw BMZ26P140FMC 47 Remote Control Unit See Contrast table(2)
23 Clamper CEF1008 48 Cover See Contrast table(2)
24 Clamper CEF1009
25 Plug(CN981) CKM1278

(2) CONTRAST TABLE

DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except
for the following:

Part No.
Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES
20 Tuner Amp Unit CWM8042 CWM8043 CWM8044
41 Remote Control Assy CZX3257 Not used CZX3257
42 Cover CZN7655 Not used CZN7655
47 Remote Control Unit Not used CXB8743 Not used
48 Cover Not used CNS7068 Not used

11
DEH-P840MP,P8400MP,P8450MP

2.5 EXTERIOR(2)

For lubricants points, please refer

to"Disassembly"(see page 65)

12
DEH-P840MP,P8400MP,P8450MP

(1) EXTERIOR(2) SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1 Screw BPZ20P060FMC 47 Screw ISS26P055FUC
2 Screw BPZ20P080FZK 48 Case Unit CXB7968
3,4 ••••• 49 Cover Unit CXB8127
5 Screw(M2x2) CBA1250 50 Spring CBH2545
6 Holder CNC9800 51 Cushion CNM7550

7 Flexible PCB CNP6498 52 Panel Unit CXB7953

8 Keyboard Unit(OEL) See Contrast table(2) 53 Drive Unit CXB8138
9 Connector(CN1801) CKS4175 54 Screw BMZ26P040FMC
10 Holder CNC9649 55 Screw(M2x3) CBA1061
11 Tape CNM7514 56 Screw(M2x2) CBA1250

12 Holder CNV6916 57 Screw(M2x1.4) CBA1562

13 OEL Unit MXS8018 58 Spring CBH2525
14 Sub Grille Assy See Contrast table(2) 59 Spring CBH2526
15 Case Unit CXB7967 60 Spring CBL1557
16 Detach Grille Assy See Contrast table(2) 61 Cord CDE6737

17 Screw BPZ20P080FZK 62 Holder CNC9678

18 Button(EJECT) CAC7241 63 Holder CNC9679
19 Button(OPEN/BAND) CAC7242 64 Gear CNV6932
20 Button(SRC/PAUSE/CLK) CAC7244 65 Gear CNV6933
21 Button(1-6) CAC7246 66 Gear CNV6935

22 Button(CROSS) CAC7247 67 Gear CNV6936

23 Button(EQ) CAC7248 68 Lever CNV6937
24 Spring CBH2543 69 Switch(S951) CSN1051
25 Insulator CNM7649 70 Spring Switch(S952) CSN1052
26 Sheet CNM7824 71 Switch(S953) CSN1058

27 Lighting Conductor CNV6913 72 Chassis Unit CXB7956

28 Arm CNV6963 73 Holder Unit CXB7959
29 Keyboard Unit(LCD) CWM8056 74 Holder Unit CXB7960
30 LCD(LCD1901) CAW1704 75 Arm Unit CXB7961
31 Connector(CN1901) CKS4549 76 Arm Unit CXB7962

32 Holder CNC9648 77 Arm Unit CXB7963

33 Sheet CNM7512 78 Arm Unit CXB7964
34 Lighting Conductor CNV6914 79 Arm Unit CXB7965
35 Connector CNV6915 80 Arm Unit CXB7966
36 Grille Unit See Contrast table(2) 81 Motor Unit(M951) CXB8939

37 Knob Assy CXB8026 82 Gear Unit CXB8940

38 Spring CBL1321 83 Washer YE15FUC
39 Screw(M2x2) CBA1250 84 Screw CBA1559
40 Screw CBA1561 85 Sheet CNM7839
41 Spring CBH2530 86 PCB CNX3607

42 Cushion CNM7551 87 Switch Unit CWS1370

43 Arm CNV6962
44 Guide CNV6967
45 Guide CNV6968
46 Flexible PCB CNP6869

13
DEH-P840MP,P8400MP,P8450MP

(2) CONTRAST TABLE

DEH-P840MP/XN/UC, DEH-P8400MP/XN/UC and DEH-P8450MP/XN/ES are constructed the same except
for the following:

Part No.
Mark No. Symbol and Description DEH-P840MP/XN/UC DEH-P8400MP/XN/UC DEH-P8450MP/XN/ES
8 Keyboard Unit(OEL) CWM8051 CWM8052 CWM8052
14 Sub Grille Assy CXB9363 CXB9362 CXB9364
16 Detach Grille Assy CXB8092 CXB8093 CXB8094
36 Grille Unit CXB7942 CXB7941 CXB7943

14
DEH-P840MP,P8400MP,P8450MP

15
DEH-P840MP,P8400MP,P8450MP

2.6 CD MECHANISM MODULE

16
DEH-P840MP,P8400MP,P8450MP

- CD MECHANISM MODULE SECTION PARTS LIST

Mark No. Description Part No. Mark No. Description Part No.
1 CD Core Unit(S9MP3) CWX2618 46 Gear CNV6320
2 Connector(CN901) CKS4188 47 Arm CNV6322
3 Connector(CN101) CKS3486 48 Arm CNV6323
4 Screw BMZ20P025FMC 49 Arm CNV6324
5 Screw BSZ20P040FMC 50 Arm CNV6888

6 Screw(M2x4) CBA1362 51 Arm CNV6889

7 Screw(M2x3) CBA1527 52 Guide CNV6327
8 Screw CBA1545 53 Arm CNV6924
9 Washer CBF1037 54 Guide CNV6921
10 Washer CBF1038 55 Rack CNV6923

11 Washer CBF1039 56 Clamper CNV6331

12 Washer CBF1060 57 Arm CNV6332
13 Spring CBH2378 58 Guide CNV6333
14 Spring CBH2379 59 Cover CNV6334
15 Spring CBH2514 60 Arm CNV6335

16 Spring CBH2533 61 Guide CNV6336

17 Spring CBH2382 62 Roller CNV6338
18 Spring CBH2383 63 Damper CNV6175
19 Spring CBH2384 64 Damper CNV6662
20 Spring CBH2527 65 Guide CNV6925

21 Spring CBH2386 66 Chassis Unit CXB7980

22 Spring CBH2537 * 67 Arm Unit CXB7983
23 Spring CBH2390 68 Arm Unit CXB7984
24 Spring CBH2391 69 Arm Unit CXB7985
25 Spring CBH2523 70 Motor Unit(M2) CXB5903

26 Spring CBH2426 71 Screw Unit CXB5904

27 Spring CBH2444 72 Gear Unit CXB8076
28 Spring CBL1561 73 Bracket Unit CXB7982
29 Spring CBL1553 74 Motor Unit(M1) CXB6007
30 Shaft CLA3845 75 Arm Unit CXB8504

31 Roller CLA3910 76 Screw(M2x5) EBA1028

32 Frame CNC9654 77 Screw JFZ20P020FMC
33 Lever CNC9664 78 Screw JGZ17P020FZK
34 Lever CNC8949 79 Washer YE15FUC
35 Arm CNC9661 80 Washer YE20FUC

36 Arm CNC9016 81 Pickup Unit(Service)(P9MP3) CXX1550

37 Arm CNC9017 82 Screw IMS26P030FMC
38 Bracket CNC9123 83 Guide CNV6922
39 Frame CNC9656 84 Roller CNV6887
40 Belt CNT1086 85 Spring CBH2509

41 Gear CNV6886 86 Spring CBH2512

42 Gear CNV6316 87 Spring CBH2536
43 Gear CNV6317 88 Collar CNV6906
44 Gear CNV6318
45 Gear CNV6319

17
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM

3.1 BLOCK DIAGRAM

A A TUNER AMP UNIT

FM/AM TUNER UNIT

FM/AM 1ST IF 10.7MHz MPXREF 41kHz
CN402 AMRF T51 Q51 CF51 CF52 CF53
AMANT AMDET
1
ANT 28 ATT L ch
IC 2 FM MPX 6
2
R ch
5

ANT1 ADJ COMP

IC1 21
MIXER, IF AMP, DET. LDET
18
FMANT
27 ATT
26 RFGND FMRF
CF202

X901 IC 3
RF ADJ AM 2ND IF EEPROM
450kHz 10.25MHz

FMLOCL
VDD

STIND
SDBW
DGND

FMSD
DI/DO
CREQ
VCC

NL1
NL2
CE2

CE1
ANT2 ADJ
WC

NC
NC
NC

SL
LOCH LOCL
23 25 7 17 20 22 10 19 14 24 9 11 12 15 16 8 13 2 3 4 1
VCC
VDD

Q101

B ASENB1
BU

CN101 Q102

5 IP-BUS DRIVER
1 5 1 TX
IC 102
8 6 HA12187FP 2 RX

D CD CORE UNIT(S9MP3) 7
11
8
IPPW

IC 202
BUS-
MSM51V4265EP-70TS
BUS+ TUN L
PICKUP UNIT DRAM BUSL+ BUSL+
(SERVICE)(P9MP3) BUSL- BUSL-

V3R3D
CN101 CN901 CD L
LASER CN723
DIODE LD- 142 L-OUT
15 LD IC 201 LOUT 35 14 14
8
Q101 MIC231
UPD63760GJ MUTE Q602
MD 141
5 PD
Q603
RF-AMP,CD DECODER,
AC,BD MP3 DECODER, VR231
HOLOGRAM
UNIT
F,E
DIGITAL SERVO / DATA PROCESSOR
FO+ FOP
FOCUS ACT. 1 BUZZER
TO+ 4 TOP
MONITOR TRACKING ACT. 38 39 42 43 24
DIODE TD/FD SD/MD WAIT, PEE
LD+ RFOK
14
12 X201 X202
FOP
13
TOP SPECTRUM ANALYZER
CD IC 702
SPINDLE
MOTOR M DRIVER IC 251
C 16
SOP
XWINT,
XWAIT, TC74VHCT08AFT
BA3834F SYSTEM CONTR
15
SOM FOK
18 IC 601(2/2)
LOAD/CARRIAGE LCOP
MOTOR M 17
LCOM LOEJ
22 31 CDMUTE 33
LOEJ
P-BUS P-BUS PD5740A(E
PD5741A(U
CONT 9 29
CONT
IC 701
PE5269A
IC 301 VD VD
BA5996FM CD CONTROLLER VD 2 20
Q752
78
DSCSNS 3 19
80 WMA DECODER
HOME
Q751
28
S901 CD3VON IC 501
HOME BU
UPD61002GC

12EJ DISC VDCONT

VDCONT 27 15 7
CLAMP SENSE 8EJ SENSE
SENSE SENSE
+3.3V REGULATOR
1
1 4,5
3VDD IC 703 1 21 VDD
V2R5 4 IC 502 2 Q811
BA25BC0WFP
S-818A33AUC-BGN BU
5VDD
+2.5V REGULATOR Q812

4 IC 203 2
VD 11
V3R3D FLPPW
BA033SFP

+3.3V REGULATOR

CN811
4 5
MOTOR1 3 6 66
AUTOMATIC 6 IC 811 FLPOPN
FLAP MOTOR M
D E SWITCH PCB
5
MOTOR2 14 BA6288FS 11 65 FLPCLS

CLOSE
FCLSW1 69
4 fclssw
OPEN FOPSW1 68
3 fopnsw
EJECT FEJSW1 67
2 flpejsw

18
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

HIGH OUT CN351

RL 11 IN5 OUT1 18 SW 11
SW
Q351
IC 571
PA2028A
PL 7 OUT3 16 FL
IN1 7 FL
Q352

FL 9 OUT5 14 RL
IN3 3 RL
Q353
SYSTEM CONTROLLER

IC 601(1/2)

PD5740A(ES) VDD REGULATOR 5V REGULATOR

PD5741A(UC) Q901 Q911

VDD VDD2

ACC ACC

50 BACKUP SENSE BU CN981

SD
97 BACK UP FUSE
SL 73
bsens 1 B.UP
Q931 10A
72 74 ACC
TUNPCE asens 5 ACC
57
TUNPCK
71
tunpce@ ACC SENSE Q941 B
55
TUNPDO 83 ILL SENSE ILL
82 isens 3 ILM
ASENBO
Q951
VDD
TELMUTE
8 MUTE
IPPW

10
TELIN
RX
TX

TELEPHONE MUTE
30 29 81

GND
ELECTRONIC VOLUME/ 2 GND
SOURCE SELECTOR POWER AMP
TUN L 42 IN3-L
FL-
USL+ 43 IN4+L PL 12 FL- 3 10 FL-
5 FL+
USL- 44 IN4-L IC 131 12 IC 301 FL+ 12 FL+
FL 10 FLIN PAL007A RL-
PML009A 11 14 RL- 23 9 RL-
IN1-L RL RLIN 21 RL+
DL 41 IN2-L RL+ 11 RL+
MIC_IN MUTE STBY B.REMOTE
13 22 4 25 B.REM
4 B.REM
MUTE
Q503
VST,VCK,VDT
BU
SYS+B REGULATOR
Q921 Q922
SYS+B BU
Q301
87
MUTE

23 SYSPW Q923
SYSPW
13 Q501
XOUT
MUTE
X601
15
TEM CONTROLLER XIN
C
IC 601(2/2)
OEL+B REGULATOR
CN831
B KEYBOARD UNIT(OEL)
Q871 Q1807
PD5740A(ES) 1 OEL+B OEL+B IC 1802
PD5741A(UC) BU
6 IC 871 8
5 4
NJM2360M OEL UNIT PD8091A
Q872 (DEH-P840MP)
Q1806 PD8092A
DPDT1 DPDT2 (DEH-P8400MP,P8450MP)
4 5
KYDT1
6 3
KYDT2 GRILLE µ-COM ROM
22 27
OELPW DPDT
Q831
SWVDD5V SWVDD5V2 4 IC 1806 2 28 IC 1801
31 VDD2 1 8 KYDT
DPDT1 TC7SET08FU PD5745A
32 11
KYDT1 XOUT
40 ILM+B2 ILM+B2 X1801
SWVDD1 2 7 5 1 13
IC 1805 3.3V XIN
S-818A33AUC-BGN
RESET Q832
12 1 IC 651 2 CN1801
RESET VDD
S-80735ANDZI Q833
KEY MATRIX

42
ILMPW1

Q834
F CONNECTOR PCB C KEYBOARD UNIT(LCD)
ILM+B REGULATOR
Q962 CN832 CN1901 LCD
4 IC 1901
ILM+B ILM+B SW5V OPT IN
BU 4 4 RS-140
Q963 Q651 RESET 1
RST1
5 5
RST GRILLE µ-COM
17
REM 22
ILMPW2
43 DPDT2
10 10
DPDT 18
DPDT IC 1902
XO D
PD6340A X1901
KYDT2 KYDT 20 23
11 11 KYDT XI

Q971
35 SWVDD5 SWVDD5V
DPDT2 VDD2 6 6 SW5V
36
KYDT2
79 VDD 7 7
SWVDD2

Q972 KEY MATRIX

19
5 6 7 8
1 2 3 4
DEH-P840MP,P8400MP,P8450MP
3.2 OVERALL CONNECTION DIAGRAM(GUIDE PAGE)
Note: When ordering service parts, be sure to refer to " EXPLODED VIEWS AND PARTS LIST" or
"ELECTRICAL PARTS LIST".

Large size
SCH diagram
A-a
A A-a A-b

The > mark

the importanc
Therefore, wh
A-a A-b Guide page identical desi

VD REG

A-a A-b Detailed page

E-VOL

IP-BUS
DRIVER

D CN901
B
FM:-20.5dBs
AM:-31.0dBs
IP-BUS:+2.2dBs
CD:0.0dBs

TUNER
FM(100%):-19.5dBs
AM(30%):-30.0dBs

SYSTEM C
FM/AM TUNER UNIT

PD5
(DEH-P840M
C PD5
(DEH-P8

FLAP MOTOR
AND SENSE
OEL+B REG
SW VDD

M951 M
E
CSN1052

CSN1051

CSN1058

F
(CLOSE)

B CN1801
(EJECT)
(OPEN)

AUTOMATIC FLAP

A E
CXB8939

SWITCH PCB
20 A E
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

A-b A

found on some component parts indicates

ce of the safety factor of the part.
hen replacing, be sure to use parts of
ignation.
A TUNER AMP UNIT

SPECTRUM
ANALYSER
ASL
HI-OUT
L

RCA OUT
12 SUB
11 WOOFER
L CH
10
SUB
9 WOOFER
R CH
8
7 FRONT
L CH
6
FRONT
5 R CH
4
REAR
3 L CH
2
1 REAR
R CH

FM:+10.1dBs
B
AM:-0.4dBs
MUTE IP-BUS:+15.8dBs
FM:+2.6dBs CD:+15.6dBs
AM:-7.9dBs
IP-BUS:+8.3dBs
CD:+8.1dBs

POWER AMP PAL007A

RESET

5V REG

CONTROLLER
>
CEK1136
5741A 10A

MP, P8400MP) GND

SYS+B REG
** ILL
C
**

5740A B.REM

8450MP) ACC

TEL

RL—
VDD REG FL—

RL+
** FL+
R626 R628 RR—
DEH-P840MP Not used 100K
FR—
DEH-P8400MP 100K Not used
RR+
DEH-P8450MP Not used 100K
FR+

FM:+28.6dBs
AM:+18.1dBs
IP-BUS:+34.3dBs
MUTE CD:+34.1dBs
SENSE

TEL MUTE

SW
VDD

BL+B
REG

NOTE :
Symbol indicates a resistor.
No differentiation is made between chip resistors and
Decimal points for resistor D
ILM+B
and capacitor fixed values
REG discrete resistors. are expressed as :
Symbol indicates a capacitor. 2.2 ← 2R2
No differentiation is made between chip capacitors and 0.022 ← R022
discrete capacitors.

A
5 6 7
A
8
21
B
A

D
C
A-a A-b

22
A-a
A-b

1
1

The > mar

the importa

A-a
Therefore, w
identical de

VD REG

E-V

2
2

IP-BUS
DRIVER
DEH-P840MP,P8400MP,P8450MP

D CN901

3
3

FM:-20.5dBs
AM:-31.0dBs
IP-BUS:+2.2dBs
CD:0.0dBs
1

4
4

TUNER

M(100%):-19.5dBs
AM(30%):-30.0dBs
SYSTEM
AM(30%):-30
SYSTEM

FM(100%):-19
PD
(DEH-P84

PD
(DEH

5
5

FM/AM TUNER UNIT

6
6

FLAP MOTOR
AND SENSE
OEL+B REG
SW VDD

7
7

M951 M
AUTOMATIC FLAP E
CSN1052
(CLOSE)
CSN1051
(OPEN)
CSN1058
(EJECT)

CXB8939 B CN1801 F
SWITCH PCB

A-a A-b

A-a E
A-b

8
8

A-a E
23
DEH-P840MP,P8400MP,P8450MP

A-a A-b
A

D
C
B
A

D
C
A-a A-b

A-a A-b

24
A-b
1
1

e > mark found on some component parts indicates

importance of the safety factor of the part.

A-b
erefore, when replacing, be sure to use parts of
ntical designation.
A TUNER AMP UNIT

SPECTRUM
ANALYSER
ASL
HI-OUT
E-VOL

2
2

RCA OUT
DEH-P840MP,P8400MP,P8450MP

12 SUB
11 WOOFER
L CH
10
SUB
9 WOOFER
R CH
8
7 FRONT
L CH
6
FRONT
5 R CH
4
REAR
3 L CH
2
1 REAR
R CH

FM:+10.1dBs

3
3

AM:-0.4dBs
MUTE IP-BUS:+15.8dBs
FM:+2.6dBs CD:+15.6dBs
AM:-7.9dBs
IP-BUS:+8.3dBs
CD:+8.1dBs

1
POWER AMP PAL007A

RESET

4
4

5V REG

SYSTEM CONTROLLER
5V REG

SYSTEM CONTROLLER
>
CEK1136
PD5741A 10A

(DEH-P840MP, P8400MP) GND

** SYS+B REG ILL

**
PD5740A B.REM

(DEH-P8450MP) ACC

5
5

TEL

RL—
VDD REG FL—

RL+
**
FL+
R626 R628
DEH-P840MP Not used 100K RR—

DEH-P8400MP 100K Not used FR—

DEH-P8450MP Not used 100K RR+

FR+

FM:+28.6dBs
AM:+18.1dBs
IP-BUS:+34.3dBs
MUTE CD:+34.1dBs
SENSE

6
6

TEL MUTE

SW
VDD

BL+B
REG

NOTE :
Symbol indicates a resistor. Decimal points for resistor
No differentiation is made between chip resistors and and capacitor fixed values
ILM+B

7
7

REG discrete resistors. are expressed as :

Symbol indicates a capacitor. 2.2 ← 2R2
No differentiation is made between chip capacitors and 0.022 ← R022
discrete capacitors.

A-a A-b

A-b
8
8

A-b 25
DEH-P840MP,P8400MP,P8450MP

A-a A-b
A

D
C
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

3.3 KEYBOARD UNIT(OEL)

A
CN831
A

B
26 B 1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

B KEYBOARD UNIT(OEL)
A

ROM

PD8091A(DEH-P840MP)
PD8092A(DEH-P8400MP, P8450MP)

GRILLE µ-COM
B

OEL UNIT
MXS8018

B
5 6 7
B
8
27
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

3.4 KEYBOARD UNIT(LCD)

A
CN832

VOLUME
A

RESET REMOTE CONTROL

SENSOR

F
CONNECTOR
PCB

CLK PAUSE SRC

28 CC F
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

C KEYBOARD UNIT(LCD)
A

GRILLE µ-COM B

LCD

5 6 7
C C
8
29
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

3.5 CD MECHANISM MODULE(GUIDE PAGE)

D-a F
SIGNAL LINE
FOCUS SERVO LINE
A

T
T

F
C
S
TRACKING SERVO LINE
C CARRIAGE SERVO LINE
S SPINDLE SERVO LINE

T
F
C
S
PICKUP UNIT
(SERVICE)(P9MP3)

3300P
R022

F F

B T
F

T
F
T
T
F F

F
F
0
!

SWITCHES:
CD CORE UNIT(S9MP3)
C S901 : HOME SWITCH ........ ON-OFF
......
S902 : CLAMP SWITCH ON-OFF
....
S903 : DSCSNS SWITCH ON-OFF
...........
S904 : 12EJ SWITCH ON-OFF
............
S905 : 8EJ SWITCH ON-OFF
The underlined indicates the switch
position.

@
S
T

7 5
C
F
6
8 3

SPINDLE MOTOR 2
M1 CXB6007 R750
S

S
F
F
C

C T
C

T
S

C
S

D LOADING/CARRIAGE
MOTOR
M2 CXB5903
PD9023A

30 DD
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

D-b D CD CORE UNIT (S9MP3)

$
16

4
A
CN723

5 6 7
DD
8
31
B
A

D
C
D-a D-b

32
D
Aa Db

1
1

D-a
D-a
D-b
SIGNAL LINE
F FOCUS SERVO LINE

S
T TRACKING SERVO LINE
C CARRIAGE SERVO LINE
S SPINDLE SERVO LINE

2
2

1
DEH-P840MP,P8400MP,P8450MP

F
T
C
S

PICKUP UNIT
(SERVICE)(P9MP3)

3300P
R022

3
3

F F

F
T

T
F
T
T
F F

4
4

F
F
0
!
5
5

SWITCHES:
CD CORE UNIT(S9MP3)
S901 : HOME SWITCH ........ ON-OFF
S902 : CLAMP SWITCH ...... ON-OFF
S903 : DSCSNS SWITCH .... ON-OFF
S904 : 12EJ SWITCH ........... ON-OFF
S905 : 8EJ SWITCH ............ ON-OFF
3

The underlined indicates the switch

position.
4

6
6

@
S
T

7 5
C
F
6
8 3

SPINDLE MOTOR 2
M1 CXB6007 R750
S

7
7

F
5

F
C T
C

T
S

C
S

LOADING/CARRIAGE
MOTOR
M2 CXB5903
PD9023A
6

8
8

D-a
D-

D- 33
DEH-P840MP,P8400MP,P8450MP

D-a D-b
A

D
C
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

CD CORE UNIT (S9MP3)

D-a D-b

B
D-a D-b

C
%
$
16
9

D-b 1

34 D-b
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP
A CN723

D-a D-b
A

4
B

D-a D-b
C

2 3 4 5 6 D-b
D-b
3A

35
5 6 7 8
DEH-P840MP,P8400MP,P8450MP
Note:1. The encircled numbers denote measuring points in the circuit diagram.
2. Reference voltage
REFO1 : 1.65V
- Waveforms
1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div. 5 CH1:SIN 1V/div.
2 CH2:CLCONT 5V/div. 2 CH2:CLCONT 5V/div. 6 CH2:CIN 500mV/div. 2s/div.
500ms/div. 500ms/div.
3 CH3:LOEJ 5V/div. 3 CH3:LOEJ 5V/div. 7 CH3:TIN 500mV/div.
4 CH4:VD 10V/div. 4 CH4:VD 10V/div. When setting up after loading a
When loading a 12cm CD When loading an 8cm CD 12cm CD-DA disc

Ref. : Ref. : Ref. :

GND GND REFO

Mode : Mode : Mode :

Normal Normal Normal

5 CH1:SIN 1V/div. 5 CH1:SIN 1V/div. 8 CH1:FIN 200mV/div.

6 CH2:CIN 500mV/div. 2s/div. 6 CH2:CIN 500mV/div. 2s/div. 9 CH2:RFOK 2V/div. 500ms/div.
7 CH3:TIN 500mV/div. 7 CH3:TIN 500mV/div. 5 CH3:SIN 2V/div.
When setting up after loading a When setting up after loading a When setting up "Source On"
12cm CD-ROM(1 session) 12cm CD-ROM(2 session) (12cm CD-DA)

Ref. : Ref. : Ref. :

REFO REFO REFO

Mode : Mode : Mode :

Normal Normal Normal

0 CH1:TE 500mV/div. ! CH1:FE 500mV/div. ! CH1:FE 500mV/div.

200ms/div.
! CH2:FE 500mV/div. 8 CH2:FIN 500mV/div. 8 CH2:FIN 500mV/div.
20ms/div. 20ms/div.
0 CH3:TE 500mV/div. 0 CH3:TE 500mV/div.
When setting up "Source On" 7 CH4:TIN 500mV/div. 7 CH4:TIN 500mV/div.
During "Play" (CD-DA) During "Play"(CD-ROM, generating 1Track
Jump periodically) Refer to "1Track Jump."

Ref. : Ref. : Ref. :

REFO REFO REFO

Mode : Mode : Mode :

Normal Normal Normal

@ CH1:MDX 500mV/div. @ CH1:MDX 500mV/div. # CH1:RFAGC 500mV/div. 5µs/div.

5ms/div. 5µs/div.
5 CH2:SIN 1V/div. 5 CH2:SIN 1V/div.
Spindle waveform during "Play" RF eye pattern
Spindle waveform during "Play" (Magnified)

Ref. : Ref. : Ref. :

REFO REFO REFO

Mode : Mode : Mode :

Normal Normal Normal

36
DEH-P840MP,P8400MP,P8450MP

8 CH1:FIN 500mV/div. 0 CH1:TE 500mV/div. # CH1:RFAGC 1V/div.

200ms/div. 2ms/div.
! CH2:FE 500mV/div. # CH2:RFAGC 500mV/div. 0 CH2:TE 500mV/div. 500µs/div.
7 CH3:TIN 500mV/div.
Focus Search
When "Tracking Open" 1Track Jump

Ref. : Ref. : Ref. :

REFO REFO REFO

Mode : Mode : Mode :

TEST TEST TEST

# CH1:RFAGC 1V/div. # CH1:RFAGC 1V/div. # CH1:RFAGC 1V/div.

0 CH2:TE 500mV/div. 1ms/div. 0 CH2:TE 500mV/div. 5ms/div. 7 CH2:TIN 1V/div.
500µs/div.
7 CH3:TIN 500mV/div. 7 CH3:TIN 500mV/div. 0 CH3:TE 1V/div.
8 CH4:FIN 1V/div.
32Track Jump 100Track Jump When reproducing black dots(800µm)

Ref. : Ref. : Ref. :

REFO REFO REFO

Mode : Mode : Mode :

TEST TEST Normal

# CH1:RFAGC 1V/div. $ CH1:LRCKIN 2V/div. $ CH1:LRCKIN 2V/div.

0 CH2:TE 1V/div. % CH2:DIN 2V/div. 10µs/div. % CH2:DIN 2V/div. 2µs/div.
500µs/div.
6 CH3:CIN 500mV/div. ^ CH3:SCKIN 2V/div. ^ CH3:SCKIN 2V/div.
5 CH4:SIN 2V/div.
During inside/outside search (outer Digital Audio Digital Audio (Magnified)
circumference → inner circumference)

Ref. : Ref. : Ref. :

REFO GND REFO
Mode : Mode : Mode :
Normal Normal Normal

& CH1:LOUT 1V/div. 1 CH1:DSCSNS 5V/div. 1 CH1:DSCSNS 5V/div.

* CH2:ROUT 1V/div. 200µs/div. 2 CH2:CLCONT 5V/div. 10µs/div. 2 CH2:CLCONT 5V/div. 10µs/div.
3 CH3:LOEJ 5V/div. 3 CH3:LOEJ 5V/div.
Analog Audio (Magnified)
When "Eject" (12cm CD) When "Eject" (8cm CD)

Ref. : Ref. : Ref. :

AGND GND GND
Mode : Mode : Mode :
Normal Normal Normal

37
1 2 3 4
DEH-P840MP,P8400MP,P8450MP
4. PCB CONNECTION DIAGRAM
4.1 TUNER AMP UNIT
NOTE FOR PCB DIAGRAMS

A
1.The parts mounted on this PCB
include all necessary parts for A TUNER AMP UNIT
several destination. CORD ASSY
For further information for
respective destinations, be sure
to check with the schematic dia-
gram.
2.Viewpoint of PCB diagrams ANTENNA CABL
Connector Capacitor
15 5 1
SIDE A
16 10

SIDE B
P.C.Board Chip Part

B
RCA OUT

111

D CN901

B CN1801

AA
38
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

SIDE A

A
IC,Q

A CABLE

FM/AM TUNER UNIT

IP-BUS B

1110 5 1

M
M951
E

5
FRONT
6 7
AA 8
39
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

A TUNER AMP UNIT

A IC,Q

40
A
A
1 2 3 4
5 6 7 8
DEH-P840MP,P8400MP,P8450MP

SIDE B

A A 41
5 6 7 8
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

4.2 KEYBOARD UNIT(OEL)

B KEYBOARD UNIT(OEL) SIDE A B KEYBOARD UNIT(OEL) SIDE B

DISP

ENT
A

A
CN831

OEL UNIT

TP1

TP2

D
AUDIO
FUNC

IC,Q

IC,Q ADJ

B B
42
1 2 3 4
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

4.3 KEYBOARD UNIT(LCD)

C KEYBOARD UNIT(LCD) SIDE A C KEYBOARD UNIT(LCD) SIDE B

EJECT
VOLUME
EQ
1

B
SRC
2
3

PAUSE
4

F
C
CLK

10
5

5
6

1
RESET

D
OPEN
BAND

IC,Q
IC,Q

C C 43
1 2 3 4
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

4.4 CD MECHANISM MODULE

D CD CORE UNIT (S9MP3) SIDE A

A
12EJ
DSCSNS

M2
LOADING
/CARRIAGE
MOTOR

M1
SPINDLE
MOTOR

A
CN723

HOME

PICKUP UNIT
(SERVICE)(P9MP3)

44
DD
1 2 3 4
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

D CD CORE UNIT (S9MP3) SIDE B

8EJ A

CLAMP

D D 45
1 2 3 4
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

4.5 SWITCH PCB

SIDE A

A E SWITCH PCB

S951

OPEN S952
S953

B
CLOSE
EJECT

E SWITCH PCB
SIDE B

YELLOW BLUE

D
A
CN811

GREEN BLACK

46
EE
1 2 3 4
1 2 3 4
DEH-P840MP,P8400MP,P8450MP

4.6 CONNECTOR PCB

F CONNECTOR PCB SIDE A

F CONNECTOR PCB SIDE B

1 B
2
3
5 4
5
6

C A 7
CN832 8
CN1901 9
10
11

10 12
13

13 C

1 2 3
F 4
47
DEH-P840MP,P8400MP,P8450MP

5. ELECTRICAL PARTS LIST

NOTES:
- Parts whose parts numbers are omitted are subject to being not supplied.
- The part numbers shown below indicate chip components.
Chip Resistor
RS1/_S___J,RS1/__S___J
Chip Capacitor (except for CQS.....)
CKS....., CCS....., CSZS.....
=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ ------------------------- --- ------ ------------------------------------------ -------------------------
Q 951 Transistor 2SA1037K
A Unit Number :
:
CWM8042(DEH-P840MP/XN/UC)
CWM8043(DEH-P8400MP/XN/UC) Q
Q
961
962
Transistor
Transistor
2SC2412K
2SD1767
: CWM8044(DEH-P8450MP/XN/ES) Q 963 Transistor IMD2A
Unit Name : Tuner Amp Unit Q 971 Transistor 2SB808

MISCELLANEOUS Q 972 Transistor DTC114EK

D 231 Diode RB706F-40
IC 102 IC HA12187FP D 301 Diode 1SR139-400
IC 131 IC PML009A D 501 Diode DAN202U
IC 251 IC BA3834F D 502 Diode HZS9L(A2)
IC 301 IC PAL007A
IC 571 IC PA2028A D 503 Diode 1SS133
D 751 Diode HZS9L(B1)
IC 601 IC (DEH-P840MP, P8400MP) PD5741A D 811 Diode HZS7L(B2)
IC 601 IC (DEH-P8450MP) PD5740A D 812 Diode 1SS133
IC 651 IC S-80735ANDZI D 813 Diode 1SS133
IC 811 IC BA6288FS
IC 871 IC NJM2360M D 833 Diode DAN202U
D 834 Diode DAP202U
Q 101 Transistor 2SA1037K D 835 Diode DAN202U
Q 102 Transistor DTC124EK D 836 Diode DAP202U
Q 251 Transistor 2SA1037K D 837 Diode DAN202U
Q 252 Transistor DTC144EK
Q 253 Transistor 2SC2412K D 838 Diode DAP202U
D 839 Diode Network DA204U
Q 301 Transistor DTC124EK D 841 Diode HZS6L(A2)
Q 351 Transistor IMH3A D 842 Diode HZS9L(A1)
Q 352 Transistor IMH3A D 871 Diode RB411D
Q 353 Transistor IMH3A
Q 401 Transistor 2SC2412K D 872 Diode HZS11L(A1)
D 901 Diode HZS6L(B1)
Q 501 Transistor 2SC2412K D 902 Diode 1SR139-400
Q 503 Transistor IMD2A D 911 Diode HZS6L(B2)
Q 651 Transistor 2SC2412K D 921 Diode HZS9L(B3)
Q 751 Transistor IMD2A
Q 752 Transistor 2SD2396 D 931 Diode HZS7L(C3)
D 932 Diode HZS7L(A1)
Q 811 Transistor 2SD1760F5 D 941 Diode 1SR139-400
Q 812 Transistor IMD3A D 951 Diode DAN202U
Q 831 Transistor 2SB808 D 964 Diode HZS11L(A1)
Q 832 Transistor DTC114EK
Q 833 Transistor 2SA1037K D 981 Diode 1SR139-400
D 982 Diode 1SR139-400
Q 834 Transistor DTC114EK D 983 Diode 1SR139-400
Q 835 Transistor DTC114EK ZNR 401 Surge Protector DSP-201M-A21F
Q 836 Transistor 2SC2412K L 105 Ferri-Inductor LAU2R2K
Q 837 Transistor IMD2A
Q 871 Transistor 2SD1760F5 L 401 Inductor LCTB4R7K2125
L 402 Inductor LAU1R0K
Q 872 Transistor IMD2A L 403 Inductor LAU100K
Q 901 Transistor 2SD1760F5 L 572 Ferri-Inductor LAU101K
Q 902 Transistor IMD2A L 601 Inductor LAU100K
Q 911 Transistor 2SD1760F5
Q 912 Transistor IMD2A L 701 Inductor LAU100K
L 831 Inductor LAU100K
Q 921 Transistor 2SD2396 L 872 Inductor CTF1510
Q 922 Transistor 2SB1238 L 951 Inductor CTF1530
Q 923 Transistor DTC114EK L 971 Inductor LAU100K
Q 931 Transistor IMX1
Q 941 Transistor DTC114EK

48
DEH-P840MP,P8400MP,P8450MP

SP 601 Buzzer CPV1050 R 371 RS1/16S0R0J

R 372 RS1/16S0R0J
RESISTORS R 373 RS1/16S0R0J
R 374 RS1/16S0R0J
R 101 RS1/16S181J R 401 RS1/16S272J
R 102 RS1/16S181J
R 103 RS1/16S223J R 402 RS1/16S272J
R 104 RS1/16S223J R 403 RS1/16S162J
R 105 RS1/16S102J R 404 RS1/16S162J
R 405 RS1/16S0R0J
R 106 RS1/16S102J R 406 RS1/16S0R0J
R 113 RS1/16S150J
R 114 RS1/16S470J R 407 RS1/16S473J
R 115 RS1/16S101J R 408 RS1/16S473J
R 116 RS1/16S101J R 409 RS1/16S681J
R 410 RS1/16S681J
R 117 RS1/16S222J R 412 RS1/16S681J
R 118 RS1/16S103J
R 119 RS1/16S332J R 413 RS1/16S103J
R 120 RS1/16S562J R 414 RS1/16S681J
R 131 RS1/16S102J R 415 RS1/16S681J
R 416 RS1/16S681J
R 132 RS1/16S102J R 417 RS1/16S393J
R 133 RS1/16S102J
R 134 RS1/16S102J R 418 RS1/16S473J
R 139 RS1/16S101J R 419 RS1/16S472J
R 140 RS1/16S101J R 420 RS1/16S473J
R 421 RS1/16S473J
R 141 RS1/16S101J R 422 RS1/16S473J
R 142 RS1/16S101J
R 143 RS1/16S101J R 423 RS1/16S222J
R 144 RS1/16S101J R 424 RS1/16S222J
R 145 RAB4C102J R 501 RS1/16S103J
R 502 RS1/16S473J
R 231 RS1/16S222J R 503 RS1/16S223J
R 233 RS1/16S560J
R 234 RS1/16S104J R 504 RS1/16S223J
R 235 RS1/16S104J R 505 RS1/16S102J
R 251 RS1/16S102J R 571 RS1/16S103J
R 572 RS1/16S103J
R 252 RS1/16S104J R 601 RS1/16S472J
R 253 RS1/16S473J
R 254 RAB4C102J R 607 RS1/16S682J
R 255 RS1/16S224J R 608 RS1/16S102J
R 256 RS1/16S224J R 609 RS1/16S0R0J
R 611 RS1/16S104J
R 257 RS1/16S104J R 612 RS1/16S0R0J
R 258 RS1/16S102J
R 259 RS1/16S103J R 613 RS1/16S104J
R 260 RS1/16S103J R 614 RS1/16S104J
R 261 RS1/16S223J R 615 RS1/16S104J
R 621 RS1/16S0R0J
R 262 RS1/16S822J R 625 RS1/16S473J
R 301 RS1/16S103J
R 302 RS1/16S103J R 626 (DEH-P8400MP) RS1/16S104J
R 303 RS1/16S103J R 627 RS1/16S104J
R 304 RS1/16S331J R 628 (DEH-P840MP, P8450MP) RS1/16S104J
R 629 RS1/16S104J
R 351 RS1/16S820J R 630 RS1/16S102J
R 352 RS1/16S820J
R 353 RS1/16S820J R 651 RS1/16S102J
R 354 RS1/16S820J R 652 RS1/16S102J
R 355 RS1/16S820J R 653 RS1/16S222J
R 654 RS1/16S473J
R 356 RS1/16S820J R 655 RS1/16S183J
R 357 RS1/16S223J
R 358 RS1/16S223J R 723 RS1/16S682J
R 359 RS1/16S223J R 724 RS1/16S221J
R 360 RS1/16S223J R 725 RS1/16S221J
R 726 RS1/16S221J
R 361 RS1/16S223J R 727 RS1/16S221J
R 362 RS1/16S223J
R 363 RS1/16S471J
R 364 RS1/16S471J
R 365 RS1/16S471J

49
DEH-P840MP,P8400MP,P8450MP

=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ ------------------------- --- ------ ------------------------------------------ -------------------------
R 728 RS1/16S221J CAPACITORS
R 730 RS1/16S221J
R 731 RS1/16S473J C 112 CKSRYB104K16
R 732 RS1/16S682J C 131 CEAL1R0M50
R 733 RS1/16S682J C 132 CEAL1R0M50
C 133 CEALR22M50
R 751 RD1/4PU271J C 134 CEALR22M50
R 753 RD1/4PU221J
R 811 RS1/16S102J C 135 CEAL1R0M50
R 812 RS1/16S102J C 136 CEAL1R0M50
R 813 RD1/4PU391J C 137 CEAL1R0M50
C 138 CEAL1R0M50
R 814 RAB4C102J C 139 CEJQ470M10
R 831 RS1/16S102J
R 832 RS1/16S472J C 140 CKSRYB104K16
R 833 RS1/16S222J C 141 CEALNP4R7M16
R 834 RS1/16S222J C 142 CEALNP4R7M16
C 145 CEALNP4R7M16
R 835 RS1/16S472J C 146 CEALNP4R7M16
R 836 RS1/16S103J
R 837 RS1/16S222J C 147 CEALNP4R7M16
R 838 RS1/16S222J C 148 CEALNP4R7M16
R 839 RS1/16S473J C 149 CEALNP4R7M16
C 150 CEALNP4R7M16
R 840 RS1/16S104J C 157 CEAL100M16
R 841 RS1/16S222J
R 842 RS1/16S222J C 159 CCSQCH152J50
R 843 RS1/16S222J C 160 CCSQCH152J50
R 844 RS1/16S222J C 161 CCSQCH152J50
C 162 CCSQCH152J50
R 845 RS1/16S103J C 231 CEJQ100M16
R 846 RS1/16S104J
R 847 RS1/16S104J C 232 CEJQ220M25
R 848 RS1/16S222J C 233 CEAL100M16
R 852 RS1/16S332J C 234 CKSRYB474K10
C 235 CKSRYB474K10
R 872 RD1/4PU302J C 251 CKSRYB104K16
R 873 RD1/4PU302J
R 874 RS1/16S0R0J C 252 CKSRYB104K16
R 875 RS1/16S391J C 253 CKSRYB103K50
R 876 RS1/16S121J C 254 CEJQ1R0M50
C 255 CKSRYB104K16
R 877 RS1/16S1R0J C 256 CKSRYB104K16
R 878 RS1/16S331J
R 879 RS1/16S331J C 257 CKSRYB224K10
R 901 RS1/16S223J C 258 CKSRYB104K16
R 902 RS1/16S821J C 301 CKSRYB474K10
C 302 CKSRYB474K10
R 903 RS1/16S821J C 303 CKSRYB474K10
R 904 RS1/16S0R0J
R 913 RS1/16S681J C 304 CKSRYB474K10
R 914 RS1/16S681J C 305 CKSRYB474K10
R 921 RD1/4PU221J C 306 CKSRYB474K10
C 307 CKSRYB474K10
R 922 RS1/16S122J C 308 CKSRYB474K10
R 924 RD1/4PU272J
R 925 RS1/16S223J C 309 CEHAR330M10
R 931 RS1/16S104J C 310 3300µF/16V CCH1433
R 932 RS1/16S473J C 311 CKSRYB104K16
C 312 CEHAR100M16
R 933 RS1/16S103J C 313 CKSQYB225K10
R 934 RS1/16S473J
R 935 RS1/16S472J C 314 CKSQYB225K10
R 941 RS1/16S103J C 351 CEAL100M16
R 951 RS1/16S102J C 352 CEAL100M16
C 353 CEAL100M16
R 952 RS1/16S472J C 354 CEAL100M16
R 953 RS1/16S472J
R 954 RS1/16S153J C 355 CEAL100M16
R 961 RS1/16S1R0J C 356 CEAL100M16
R 962 RS1/16S103J C 357 CKSRYB222K50
C 358 CKSRYB222K50
R 963 RS1/16S682J C 359 CKSRYB222K50
R 964 RD1/4PU391J
R 965 RS1/16S1R0J C 360 CKSRYB222K50
R 971 RS1/16S472J C 361 CKSRYB222K50
R 972 RS1/16S102J C 362 CKSRYB222K50
C 401 CKSRYB183K50
R 973 RS1/16S472J C 402 CKSRYB183K50

50
DEH-P840MP,P8400MP,P8450MP

=====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No.
--- ------ ------------------------------------------ ------------------------- --- ------ ------------------------------------------ -------------------------
C 408 CKSRYB473K50
C
C
409
411
CKSRYB103K50
CEJQ101M10
B Unit Number : CWM8051(DEH-P840MP/XN/UC)
: CWM8052(DEH-P8400MP/XN/UC)
(DEH-P8450MP/XN/ES)
C 413 CKSRYB223K50
C 414 CKSRYB472K50 Unit Name : Keyboard Unit(OEL)
C 415 CKSRYB223K50 MISCELLANEOUS
C 416 CEJQ220M10
C 501 CEJQ220M16 IC 1801 IC PD5745A
C 571 CKSRYB105K10 IC 1802 IC (DEH-P840MP) PD8091A
C 572 CKSRYB105K10 IC 1802 IC (DEH-P8400MP, P8450MP) PD8092A
IC 1805 IC S-818A33AUC-BGN
C 573 CKSRYB105K10 IC 1806 IC TC7SET08FU
C 574 CKSRYB105K10
C 575 CKSRYB105K10 Q 1806 Transistor 2SC4617
C 576 CKSRYB105K10 Q 1807 Transistor 2SD1664
C 580 CEAL4R7M35 D 1803 Diode 1SS355
D 1804 Diode DAN202U
C 582 CEJQ101M16 D 1805 Diode DAP202U
C 583 CASAQ3R3M16
C 585 CKSYB684K25 L 1801 Inductor CTF1530
C 586 CEAL100M16 L 1803 Inductor CTF1530
C 587 CKSQYB225K10 TH 1901 Thermistor CCX1037
X 1801 Radiator 10.0MHz CSS1577
C 588 CEJQ330M25 S 1801 Switch CSG1107
C 589 CEJQ330M25
C 601 CEAL4R7M35 S 1802 Switch CSG1107
C 602 CKSRYB103K50 S 1803 Switch CSG1107
C 603 CCSRCH180J50 S 1804 Switch CSG1107
VR 1801 Semi-fixed 15kΩ(B) CCP1230
C 604 CCSRCH101J50 OEL Unit MXS8018
C 605 CCSRCH220J50
C 652 CKSRYB104K16 RESISTORS
C 653 CKSRYB105K10
C 702 470µF/16V CCH1331 R 1805 RS1/16S0R0J
R 1807 RS1/16S222J
C 751 CKSRYB102K50 R 1808 RS1/16S222J
C 752 CEJQ101M16 R 1809 RS1/16S820J
C 753 CKSRYB473K50 R 1815 RS1/16S222J
C 811 CCSRCH101J50
C 812 CEJQ220M10 R 1816 RS1/16S0R0J
R 1817 RS1/16S154J
C 813 CKSRYB104K16 R 1818 RS1/16S473J
C 814 CKSRYB102K50 R 1819 RS1/16S473J
C 815 CKSRYB102K50 R 1820 RAB4C102J
C 816 CCSRCH101J50
C 833 CKSRYB104K16 R 1821 RS1/16S473J
R 1822 RS1/16S333J
C 837 CKSRYB103K50 R 1823 RS1/16S222J
C 872 4.7µF CCG1111 R 1824 RS1/16S682J
C 873 CEJQ100M50 R 1825 RS1/16S393J
C 874 CEJQ330M25
C 875 CKSRYB103K50 R 1826 RS1/16S0R0J
R 1827 RS1/16S683J
C 876 CCSRCH331J50 R 1828 RS1/16S0R0J
C 877 CEJQ470M16 R 1830 RS1/16S392J
C 878 CKSRYB104K16 R 1831 RAB4C101J
C 879 CKSRYB104K16
C 880 CEJQ101M10 R 1832 RS1/16S473J
R 1833 RS1/16S473J
C 901 CEJQ470M10 R 1834 RS1/16S102J
C 902 CKSRYB103K50 R 1835 RS1/16S102J
C 903 CKSRYB472K50 R 1836 RS1/16S101J
C 904 470µF/16V CCH1331
C 905 470µF/16V CCH1331 R 1837 RAB4C101J
R 1838 RS1/16S101J
C 911 CEJQ470M10 R 1839 RAB4C101J
C 912 CKSRYB472K50 R 1840 RAB4C101J
C 921 CEJQ221M10 R 1841 RAB4C101J
C 922 CKSRYB103K50
C 923 CEJQ101M16 R 1842 RAB4C101J
R 1843 RAB4C101J
C 931 CKSRYB104K25 R 1844 RAB4C101J
C 941 CKSRYB105K10 R 1845 RAB4C101J
C 970 CKSRYB473K50 R 1846 RAB4C101J
C 972 CCSRCH101J50
R 1847 RS1/16S682J
R 1848 RS1/16S473J

51
DEH-P840MP,P8400MP,P8450MP

C 1914 CKSRYB104K16
MISCELLANEOUS
IC
IC
D
1901
1902
1903
IC
IC
LED
RS-140
PD6340A
NSSW440-9159
E Unit Number
Unit Name
:
: Switch PCB
D 1905 LED CL190UBX MISCELLANEOUS
D 1906 LED CL190UBX
S 951 Switch(OPEN) CSN1051
D 1907 LED CL190UBX S 952 Spring Switch(CLOSE) CSN1052
D 1908 LED CL190UBX S 953 Switch(EJECT) CSN1058
D 1909 LED CL190UBX
D 1910 LED CL190UBX
Unit Number : CWX2618
D

L
1911

1902
LED

Inductor
CL190UBX

CTF1530
D Unit Name : CD Core Unit(S9MP3)
X 1901 Ceramic Resonator 4.97MHz CSS1422 MISCELLANEOUS
S 1901 Switch CSG1110
S 1902 Encoder CSD1042 IC 201 IC UPD63760GJ
S 1903 Switch CSG1110 IC 202 IC MSM51V4265EP-70TS
IC 203 IC BA033SFP
S 1904 Push Switch CSG1111 IC 301 IC BA5996FM
S 1905 Push Switch CSG1111 IC 501 IC UPD61002GC
S 1906 Push Switch CSG1111
S 1907 Push Switch CSG1111 IC 502 IC BA25BC0WFP
S 1908 Switch CSG1107 IC 701 IC PE5269A
IC 702 IC TC74VHCT08AFT
S 1909 Switch CSG1107 IC 703 IC S-818A33AUC-BGN
S 1910 Switch CSG1107 IC 704 IC PD9023A
S 1911 Push Switch CSG1112
S 1912 Switch CSG1107 Q 101 Transistor 2SB1132
S 1913 Switch CSG1107 Q 601 Transistor DTC323TK
Q 602 Transistor DTC323TK
S 1914 Switch CSG1107 Q 603 Transistor 2SB709A
S 1915 Switch CSG1107 Q 701 Transistor UN2111
S 1916 Switch CSG1107
S 1917 Switch CSG1107 D 101 Diode 1SS355
S 1918 Push Switch CSG1112 D 201 Diode 1SR154-400
D 202 Diode 1SR154-400
S 1919 Push Switch CSG1112 D 203 Diode 1SR154-400
LCD1901 LCD CAW1704 D 501 Diode 1SR154-400

RESISTORS D 502 Diode 1SR154-400

D 503 Diode 1SR154-400
R 1901 RS1/16S222J D 504 Diode 1SR154-400
R 1902 RS1/16S222J D 601 Chip Diode MA151WA
R 1903 RS1/16S104J L 201 Inductor CTF1546
R 1904 RS1/16S103J
R 1905 RS1/16S121J L 202 Inductor CTF1546
L 204 Inductor CTF1546
R 1906 RS1/16S2R2J L 701 Inductor CTF1546
R 1907 RS1/16S101J L 702 Inductor LCYBR22J1608
R 1908 RS1/16S101J TH 701 Thermistor CCX1037
R 1910 RS1/16S0R0J
R 1918 RS1/16S560J X 201 Ceramic Resonator 16.93MHz CSS1569
X 202 Ceramic Resonator 24.57MHz CSS1570
X 701 Ceramic Resonator 16.00MHz CSS1576
S 901 Spring Switch (HOME) CSN1051
S 902 Spring Switch (CLAMP) CSN1052

52
DEH-P840MP,P8400MP,P8450MP

R 101 RS1/10S1R5J R 710 RS1/16SS102J

R 102 RS1/10S1R5J R 711 RS1/16SS102J
R 103 RS1/10S1R5J R 712 RS1/16SS102J
R 104 RS1/10S1R5J R 713 RS1/16SS102J
R 105 RS1/10S1R5J R 714 RS1/16SS473J

R 201 RS1/16SS102J R 715 RAB4CQ221J

R 202 RS1/16SS333J R 716 RAB4CQ221J
R 203 RS1/16SS333J R 717 RAB4CQ221J
R 204 RS1/16SS333J R 718 RAB4CQ221J
R 206 RS1/16SS0R0J R 719 RAB4CQ221J

R 208 RS1/16SS0R0J R 720 RS1/16SS471J

R 210 RS1/16SS0R0J R 721 RS1/16SS471J
R 212 RS1/16SS221J R 722 RAB4CQ221J
R 213 RS1/16SS1002D R 723 RS1/16SS102J
R 214 RS1/16SS1002D R 724 RN1/16SE1302D

R 215 RS1/16SS1002D R 725 RS1/16SS222J

R 216 RS1/16SS1002D R 726 RS1/16SS103J
R 217 RS1/16SS1002D R 727 RS1/16SS473J
R 218 RS1/16SS1002D R 728 RS1/16SS473J
R 219 RS1/16SS1002D R 729 RS1/16SS223J

R 220 RS1/16SS1002D R 730 RS1/16SS473J

R 221 RS1/16SS103J R 731 RS1/16SS104J
R 222 RS1/16SS103J R 732 RS1/16SS104J
R 223 RS1/16SS103J R 733 RS1/16SS104J
R 224 RS1/16SS103J R 734 RS1/16SS472J

R 225 RS1/16SS103J R 735 RS1/16SS473J

R 226 RS1/16SS393J R 737 RAB4CQ473J
R 227 RS1/16SS103J R 739 RAB4CQ473J
R 228 RS1/16SS182J R 740 RS1/16SS473J
R 229 RS1/16SS103J R 741 RS1/16SS104J

R 233 RS1/16SS183J R 742 RS1/16SS104J

R 237 RS1/16SS104J R 745 RS1/16SS473J
R 238 RS1/16SS473J R 746 RS1/16SS104J
R 301 RS1/16SS183J R 747 RS1/16SS104J
R 302 RS1/16SS822J R 748 RS1/16SS104J

R 303 RS1/16SS0R0J R 750 RS1/16SS473J

R 304 RS1/16SS183J R 801 RS1/16SS104J
R 305 RS1/16SS822J R 802 RS1/16SS473J
R 306 RS1/16SS0R0J R 803 RS1/16SS273J
R 307 RS1/16SS183J R 901 RS1/16SS221J

R 308 RS1/16SS822J R 902 RS1/16SS221J

R 309 RS1/16SS183J R 903 RS1/16SS221J
R 310 RS1/16SS822J R 904 RS1/16SS221J
R 311 RS1/16SS0R0J R 905 RS1/16SS221J
R 501 RS1/16SS221J R 906 RS1/16SS221J

R 502 RS1/16SS221J CAPACITORS

R 503 RS1/16SS221J
R 504 RAB4CQ223J C 101 CKSSYB104K10
R 505 RAB4CQ223J C 102 CKSSYB104K10
R 506 RAB4CQ223J C 103 CEV101M16
C 104 CEV101M4
R 507 RS1/16SS223J C 105 CKSSYB104K10
R 508 RS1/16SS223J
R 509 RS1/16SS102J C 106 CKSRYB102K50
R 510 RS1/16SS223J C 108 CKSSYB104K10
R 511 RS1/16SS223J C 109 CEV100M16
C 201 CKSSYB471K50
R 512 RS1/16SS223J C 202 CKSSYB104K10
R 601 RS1/16S101J
R 602 RS1/16S101J C 203 CKSSYB104K10
R 603 RS1/16S223J C 204 CEV220M6R3
R 604 RS1/16S223J C 205 CKSSYB103K16
C 206 CKSSYB103K16
C 207 CEV221M4

53
DEH-P840MP,P8400MP,P8450MP

C 222 CCSSCH270J50
C 223 CCSSCJ3R0C50
C 224 CKSSYB104K10
C 225 CKSSYB103K16
C 226 CCSSCH680J50

C 227 CCSSCH470J50
C 228 CKSSYB682K25
C 230 CKSSYB104K10
C 232 CKSSYB104K10
C 233 47µF/6.3V CCH1436

C 234 CEV221M4
C 235 CKSRYB224K16
C 237 CKSSYB104K10
C 238 CKSSYB104K10
C 240 CCSSCH100D50

C 301 CKSSYB331K50
C 302 CKSSYB331K50
C 303 CKSSYB472K25
C 304 CKSSYB472K25
C 305 CEV101M16

C 306 CKSRYB224K16
C 501 CKSSYB104K10
C 502 CKSSYB471K50
C 503 CKSSYB104K10
C 504 47µF/6.3V CCH1436

C 505 CKSRYB224K16
C 506 CKSSYB104K10
C 508 CKSSYB104K10
C 509 CKSSYB104K10
C 510 CKSSYB104K10

C 511 CKSSYB104K10
C 601 CCSRCH102J50
C 602 CCSRCH102J50
C 603 CSZS4R7M10
C 604 CSZS4R7M10

C 701 CKSSYB104K10
C 702 CKSSYB471K50
C 703 CKSSYB103K16
C 704 CEV1R0M50
C 705 CKSSYB104K10

C 706 CKSSYB471K50
C 707 CKSSYB104K10
C 708 CKSSYB104K10
C 709 CKSSYB103K16
C 710 CKSSYB104K10

C 711 10µF/10V CCH1349

C 712 CKSRYB224K16
C 713 CKSSYB104K10
C 714 CKSSYB104K10
C 715 CKSSYB103K16

C 716 CKSSYB103K16
C 901 CKSSYB104K10
C 903 CCSRCH101J50

54
DEH-P840MP,P8400MP,P8450MP

6. ADJUSTMENT
6.1 JIG CONNECTION DIAGRAM

TUNER AMP UNIT

CN723
To CD Mechanism Module

CN832

GGD1292

KEYBOARD UNIT(LCD)

CN1902

Rubber Band Rubber Band

55
DEH-P840MP,P8400MP,P8450MP

6.2 OEL UNIT ADJUSTMENT

Adjustment point
KEYBOARD UNIT(OEL) (SIDE B)

TP1
Digital Multi-Meter
VR1801
TP2

IC1801

IC1802

<When the OEL Unit has been replaced>

1. Use VR1801 to adjust the resistance between TP1 and TP2 to 6.1kΩ.

56
DEH-P840MP,P8400MP,P8450MP

6.3 CD ADJUSTMENT
1) Precautions 2) Test Mode
• This unit uses a single power supply (+3.3V) for the This mode is used for adjusting the CD mechanism
regulator. The signal reference potential, therefore, is module of the device.
connected to REFO1(approx. 1.65V) instead of GND.
If REFO1 and GND are connected to each other by • Test mode starting procedure
mistake during adjustments, not only will it be impos- Reset while pressing the 4 and 6 keys together.
sible to measure the potential correctly, but the servo
will malfunction and a severe shock will be applied to • Test mode cancellation
the pick-up. To avoid this, take special note of the fol- Switch ACC, back-up OFF.
lowing.
Do not connect the negative probe of the measuring • After pressing the EJECT key, do not press any other
equipment to REFO1 and GND together. It is especial- key until the disk is completely ejected.
ly important not to connect the channel 1 negative
probe of the oscilloscope to REFO1 with the channel 2 • If the ] or [ key is pressed while focus search is in
negative probe connected to GND. progress, immediately turn the power off (otherwise
Since the frame of the measuring instrument is usual- the actuator may be damaged due to adhesion of the
ly at the same potential as the negative probe, change lenses).
the frame of the measuring instrument to floating sta-
tus. • Jump operation of TRs other than 100TR continues
If by accident REFO1 comes in contact with GND, after releasing the key. CRG move and 100TR jump
immediately switch the regulator or power OFF. operations are brought into the “Tracking close” sta-
tus when the key is released.
• Always make sure the regulator is OFF when connect-
ing and disconnecting the various filters and wiring • Powering Off/On resets the jump mode to “Single
required for measurements. TR(91)”, the RF AMP gain setting to 0 dB, and the
automatic adjustment value to the initial value.
• Before proceeding to further adjustments and mea-
surements after switching regulator ON, let the player
run for about one minute to allow the circuits to stabi-
lize.

• Since the protective systems in the unit's software are

rendered inoperative in test mode, be very careful to
avoid mechanical and /or electrical shocks to the sys-
tem when making adjustment.

• The RFI and RFO signals are easy to oscillate because

of a wide band. When observing them, insert a resis-
tor of about 1 kΩ to the series.

• This equipment will not guarantee the load ejection

operation when the mechanical unit is turned upside
down. In particular, if the ejection operation is incor-
rectly performed and recovery is disabled, the recov-
ery is enabled by resetting a product or turning ACC
off to on.

57
DEH-P840MP,P8400MP,P8450MP

- Flow Chart

[KEY] [4]+[6]+Reset
Test Mode In
Contents

Display

[CD] or [SOURCE]
Source On

TRK MIN

[BAND] [3] [2] [6]

Power On Power On RF AMP New Test Mode
(T. offset is adjusted) (T. offset is not adjusted) Gain switching*1
TRK00 MIN00 SEC00 TRK 99 MIN99 SEC 99 TRKGGMINGGSECGG

[BAND] [3] [6] [1] []] [[] [2]

Focus Close / Tracking Servo *8 *8 Automatic adjustment value
Power Off Focus Mode switching *2 CRG+ CRG-
S. curve check Close display switching
*3

TRK MIN SEC TRK

91 MIN91 SEC91 TRK
0x MIN0x SEC 0x TRK
00 MIN00 SEC00 TRK
00 MIN00 SEC00 TRK
00 MIN00 SEC00 TRK
?? MIN?? SEC??
TRK
or 99 MIN99 SEC99 or TRK
99 MIN99 SEC 99 or TRK
99 MIN 99 SEC 99

[BAND] [1] [6] [3] []] [[] [2]

T.CLS and F,T AGC
T.Close and RF AGC / CRG+ CRG- T.Balance adjustment /
Power Off and RF AGC and
Applicable servomechanism RF AGC coefficient display T.Balance coefficient display
Applicable servomechanism
TRK MIN SEC TRKxx MINxx SECxx TRK xx MINxx SEC xx TRK ?? MIN ?? SEC ?? TRK8x MIN8x SEC8x TRK8x MIN8x SEC8x TRK ?? MIN?? SEC ??

or TRK 9x MIN9x SEC 9x or TRK 9x MIN 9x SEC 9x

[BAND] [1] [3] [6] []] [[] [2]

*5 *4 *4
F,T,RF AGC / F,T AGC,F.Bias CRG/TR jump value Tracking Open
Power Off *7 CRG+/TR Jump+ CRG-/TR Jump-
F.Bias display switching and RF AGC switching
TRK MIN SEC TRK
?? MIN?? SEC?? TRK
xx MINxx SEC xx TRK
xxMIN xxSEC xx TRK
xxMIN xxSEC xx TRK
xxMIN xxSEC xx TRK
8x MIN8x SEC8x
TRK
or 9xMIN 9xSEC 9x

[BAND] [2]

Power Off Tracking Open

TRK MIN SEC TRK8x MIN8x SEC8x

or TRK 9x MIN9x SEC 9x

TYP +12dB Operation

*1) TRK MIN SEC TRK
12 MIN12SEC12 [Key]
Test Mode New Test Mode

Focus Close setting [BAND] Power On/Off Error occurrence time/

*2) TRK S. curve check setting F. EQ measurement setting cause display switching
00MIN00SEC 00 TRK
01MIN01SEC 01 TRK
02MIN02SEC 02
or TRK99MIN99SEC 99 []] CRG +/TR Jump+ TRK+/FF
(Direction of the external surface)
[[] CRG -/TR Jump- TRK-/REV
F.Offset T.Offset
*3) Switch to the order of the original display (Direction of the internal surface)
Display Display
T.CLS and AGC and Applicable servomechanism/
[1] SCAN
AGC,AGC display switching

*4) 1TR/32TR/100TR RF Gain switching/Offset adjustment display/

[2] MODE
T.Balance adjustment/T.OPN
Single TR 32TR 100TR CRG Move F.CLS,S.Curve/Rough Servo and RF AGC/
*5 TRK [3] (ITP)
91 MIN91SEC 91 TRK
92 MIN92SEC 92 TRK
93 MIN93SEC 93 TRK
94 MIN94SEC 94 F,T,RF AGC
or 81 MIN81SEC 81
TRK
or 82 MIN82SEC 82
TRK
or 83 MIN83SEC 83
TRK
or 84 MIN84SEC 84
TRK
SPDL 1X/2X switching
- -
*6) Only at the time of CRG move or 100TR jump (Double-speed compatibility only)

- Error rate measurement -

F.AGC T.AGC RF AGC
*7) TRK/MIN/SEC F.Bias
Gain Gain Gain F.Mode switching/T.CLS/CRG,TR
[6] Auto/Manual switching
Jump switching
*8) CRG motor voltage = 2 [V]

58
DEH-P840MP,P8400MP,P8450MP

6.4 CHECKING THE GRATING AFTER CHANGING THE PICKUP UNIT

• Note :
The grating angle of the PU unit cannot be adjusted after the PU unit is changed. The PU unit in the CD mecha-
nism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted
PU unit for the CD mechanism module. Changing the PU unit is thus best considered as a last resort. However, if
the PU unit must be changed, the grating should be checked using the procedure below.

• Purpose :
To check that the grating is within an acceptable range when the PU unit is changed.

• Symptoms of Mal-adjustment :
If the grating is off by a large amount symptoms such as being unable to close tracking, being unable to perform
track search operations, or taking a long time for track searching.

• Method :
• Measuring Equipment • Oscilloscope, Two L.P.F.
• Measuring Points • E, F, REFO1
• Disc • ABEX TCD-782
• Mode • TEST MODE

CD CORE UNIT(S9MP3)

L.P.F.

Xch Ych
E 100kΩ
Oscilloscope
REFO1 390pF

F 100kΩ

REFO1 390pF
REFO1

L.P.F.
E

• Checking Procedure
1. In test mode, load the disc and switch the 5V regulator on.
2. Using the ] and [ buttons, move the PU unit to the innermost track.
3. Press key 3 to close focus, the display should read "91". Press key 2 to implement the tracking balance adjust-
ment the display should now read "81". Press key 3. The display will change, returning to "81" on the fourth
press.
4. As shown in the diagram above, monitor the LPF outputs using the oscilloscope and check that the phase differ-
ence is within 75° . Refer to the photographs supplied to determine the phase angle.
5. If the phase difference is determined to be greater than 75° try changing the PU unit to see if there is any
improvement. If, after trying this a number of times, the grating angle does not become less than 75° then the
mechanism should be judged to be at fault.
• Note
Because of eccentricity in the disc and a slight misalignment of the clamping center the grating waveform may be
seen to "wobble" ( the phase difference changes as the disc rotates). The angle specified above indicates the aver-
age angle.

• Hint
Reloading the disc changes the clamp position and may decrease the "wobble".

59
DEH-P840MP,P8400MP,P8450MP

Grating waveform Ech → Xch 20mV/div, AC

Fch → Ych 20mV/div, AC

0° 30°

45° 60°

75° 90°

60
DEH-P840MP,P8400MP,P8450MP

6.5 CD TEST MODE

- Error Messages
If a CD is not operative or stopped during operation due to an error, the error mode is turned on and cause(s) of the
error is indicated with a corresponding number. This arrangement is intended at reducing nonsense calls from the
users and also for facilitating trouble analysis and repair work in servicing.

(1) Basic Indication Method

1) When SERRORM is selected for the CSMOD (CD mode area for the system), error codes are written to DMIN (min-
utes display area) and DSEC (seconds display area). The same data is written to DMIN and DSEC. DTNO remains
in blank as before.

2) Head unit display examples

Depending on display capability of LCD used, display will vary as shown below. xx contains the error number.

8-digit display 6-digit display 4-digit display

ERROR–xx ERR–xx E–xx

(2) Error Code List

Code Class Displayed error code Description of the code and potential cause(s)
10 Electricity Carriage Home NG CRG can't be moved to inner diameter.
SERVO LSI Com- CRG can't be moved from inner diameter.
munication Error → Failure on home switch or CRG move mechanism.
Communication error between microcomputer and SERVO LSI.
11 Electricity Focus Servo NG Focusing not available.
→ Stains on rear side of disc or excessive vibrations on REWRITABLE.
12 Electricity Spindle Lock NG Spindle not locked. Sub-code is strange (not readable).
Subcode NG → Failure on spindle, stains or damages on disc, or excessive vibrations.
A disc not containing CD-R data is found.
Turned over disc are found, though rarely.
CD signal error.
17 Electricity Setup NG AGC protection doesn't work. Focus can be easily lost.
→ Damages or stains on disc, or excessive vibrations on REWRITABLE.
30 Electricity Search Time Out Failed to reach target address.
→ CRG tracking error or damages on disc.
44 Electricity ALL Skip Skip setting for all track.
(CD-R/RW)
50 Mechanism CD On Mech Error Mechanical error during CD ON.
→ Defective loading motor, mechanical lock and mechanical sensor.
A0 System Power Supply NG Power (VD) is ground faulted.
→ Failure on SW transistor or power supply (failure on connector).
Remarks: Mechanical errors are not displayed (because a CD is turned off in these errors).
Unreadable TOC does not constitute an error. An intended operation continues in this case.
Upper digits of an error code are subdivided as shown below:
1x: Setup relevant errors, 3x: Search relevant errors, Ax: Other errors.

61
DEH-P840MP,P8400MP,P8450MP

- New Test Mode

S-CD plays the same way as before.
If an error such as off focus, spindle unlocking, unreadable sub-code, or sound skipping occurs after setup, its
cause and time occurred (in absolute time) are displayed.
During setup, operational status of the control software is displayed.
These displays and functions are prepared for enhancing aging in the servicing and efficiency of trouble analysis.

(1) Shifting to the New Test Mode

1 Turn on the current test mode by starting the reset from the key.
2 Select S-CD for the source through the specified procedure including use of the [SOURCE] key, and inserting the
disc. Then, press the [Jump Mode Selector] key while maintaining the regulator turned off.
3 After the above operations, the new test mode remains on irrespective of whether the S-CD is turned on or off.
You can reset the new test mode by turning on the reset start.

(2) Key Correspondence

Key Test mode New test mode
Regulator Off Regulator On In-play Error Production
BAND To regulator on To regulator off – Time/Err.No. switching
] – FWD-Kick FF/TR+ –
[ – REV-Kick REV/TR- –
1 – Tracking Close Scan –
2 – Tracking Open Mode –
3 – Focus Close – –
– – Focus Open – –
– – Jump Off – –
6 To new test mode Jump mode switching Auto/Manu –
Note: Eject and CD on/off is performed in the same procedure as that for the normal mode.

(3) Cause of Error and Error Code

Code Class Contents Description and cause
40 Electricity Off focus detected. FOK goes low.
→ Damages/stains on disc, vibrations or failure on servo.
41 Electricity Spindle unlocked. LOCK = Low continued for 150 msec.
→ Damages/stains on disc, vibrations or failure on servo.
42 Electricity Sub-code unreadable. Sub-code was unreadable for 500 msec.
→ Damages/stains on disc, vibrations or failure on servo.
43 Electricity Sound skipping detected. Last address memory function was activated.
→ Damages/stains on disc, vibrations or failure on servo.
Note: Mechanical errors during aging are not displayed.

62
DEH-P840MP,P8400MP,P8450MP

(4) Display of Operational Status during Setup

Status No. Contents Protective action
21 Focus search start Focus search timeout.
22 Focus search 2 Focus search timeout.
23 Focus search 3 Focus search timeout.
24 Focus search 4 Focus search timeout.
25 Focus search(Setup protection) Focus slips off.
26 Focus search(Fast recovery) Focus slips off.
27 RF detection Focus slips off.
28 Spindle rough servocontrol Focus slips off.
29 Tracking balance adjustment start Focus slips off.
30 Tracking balance adjustment 2 Focus slips off.
31 Tracking balance adjustment 3 Focus slips off.
32 Tracking close start(Spindle stationary servocontrol setting) Focus slips off.
33 Tracking close 2 Focus slips off.
34 Tracking close 3 Focus slips off.
35 Focus/Tracking AGC start Focus slips off.
36 Focus/Tracking AGC 2 Focus slips off.
37 Focus/Tracking AGC 3 Focus slips off.
38 Focus/Tracking AGC 4 Focus slips off.
39 Focus/Tracking AGC 5 Focus slips off.
40 Focus/Tracking AGC 6 Focus slips off.
41 Focus/Tracking AGC 7 Focus slips off.
42 Focus/Tracking AGC 8 Focus slips off.
43 FE bias start Focus slips off.
44 FE bias 2 Focus slips off.
45 RF AGC start Focus slips off.
46 RF AGC 2 Focus slips off.
47 Lock check start Focus slips off.
48 Lock is being checked Focus slips off.
49 Subcode check start Focus slips off, spindle lock is not performed.
50 Subcode is being checked Focus slips off, no subcode can be read.

63
DEH-P840MP,P8400MP,P8450MP

(5) Display Examples

1) During Setup
8-digit display, 6-digit display 4-digit display(Auto setting) 4-digit display(Manual setting)
TNO. Min Sec TNO. Min Sec
11 11' 11" 11 11' 11"

2) During Operation (TOC read, TRK search, Play, FF and REV)

The same as in the normal mode.

3) When a Protection Error Occurred

(A) Error display ((A)←→(B), (C) : BAND key)
8-digit display 6-digit display 4-digit display
ERROR-xx ERR-xx E-xx

(B) Error occurrence timing display in track no. ((B)←→(C) : Auto/Manual key)
8-digit display, 6-digit display 4-digit display(Auto setting)
TNO. Min Sec TNO.
10 40' 05" 10

(C) Error occurrence timing display in absolute time. ((B)←→(C) : Auto/Manual key)
8-digit display, 6-digit display 4-digit display(Manual setting)
TNO. Min Sec Min Sec
10 40' 05" 40' 05"

64
DEH-P840MP,P8400MP,P8450MP

7. GENERAL INFORMATION
7.1 DIAGNOSIS
7.1.1 DISASSEMBLY

- Removing the Case Unit (Fig.1)

1 2
1 Remove the screw and then remove
the Case Unit.
*) Release the latches in order of the number 1
indicated in Fig.1. 3

Case Unit
Fig.1

- Removing the CD Mechanism Module (Fig.2)

1 Remove the four screws.

Disconnect the connector and then remove the 1 1

CD Mechanism Module.

1 1

CD Mechanism Module
Fig.2

65
DEH-P840MP,P8400MP,P8450MP

Arm Unit
- Moving the Arm Unit position (Fig.3)

Use the finger. Rotate the gear in the direction

indicated by arrow in Fig.3 until the Arm Unit
moves to the 3 positions of a Fig.3.
Gear
CLOSE POSITION
*) There is a possibility of bending if load is
added to the arm parts, It becomes the CLOSE
cause of defect of move of the grille parts.
When you place a product, please go in the
CLOSE POSITION.

EJECT POSITION
OPEN

OPEN POSITION

Fig.3

- Removing the Detach Grille Assy and Grille Assy

Move the Arm Unit to the OPEN POSITION. (Fig.3)

1 Remove the two screws. (Fig.4)

Disconnect the connector and then remove the

sy
Detach Grille Assy.
*) When installing the screws, please make sure
that the spring is also installed. 2
1
2 Remove the two screws. (Fig.4)

Move the Arm Unit to the EJECT POSITION. (Fig.3)

Disconnect the connector and then remove the
Grille Assy.
Detach Grille Assy
Fig.4

- Removing the Panel Unit

Move the Arm Unit to the OPEN POSITION. (Fig.3)

1 Remove the two screws and then

1 1
remove the Panel Unit. (Fig.5)

Panel Unit Fig.5

66
DEH-P840MP,P8400MP,P8450MP

- Removing the Gear Unit

Move the Arm Unit to the CLOSE POSITION. (Fig.3)

1 Remove the four screws and then

remove the Gear Unit. (Fig.6)

*) When you remove or intall the Gear Unit, do

so with the Arm Unit in the CLOSE POSITION.

1 1

Gear Unit

Fig.6

- Checkpoints for the Gear Unit

Gear Unit R
1. When you disassemble or assemble the 2
Gear Unit, do so with the Arm Unit in the
CLOSE POSITION.
Make sure that the Arm Unit is in the CLOSE
POSITION by seeing the other side of the unit
through the fully circular hole shown in the
figure.

2. When you install the motor, fix the screws

holding the motor in the direction of the 1
arrow shown in the figure.

Gear Unit L

67
DEH-P840MP,P8400MP,P8450MP

- Removing the Tuner Amp Unit (Fig.7)

There are two ways of removing the Tuner Amp Holder

t1
Unit.
One is to remove the Gear Unit (Fig.6), then
Tuner Amp Unit, and the other is to remove the
Panel (Fig.5), then Tuner Amp Unit. 1
1
1 Remove the two screws.

Release the two latches and then remove

the Holder.
5 3
2 Remove the screw.
2
3
3 Remove the two screws.

4
4 Straight the tabs at three locations
indicated.

5 Remove the screw and then remove

the Tuner Amp Unit. 4 4
*) Tuner Amp Unit is different partially from
this photo.
Tuner Amp Unit
Fig.7

68
DEH-P840MP,P8400MP,P8450MP

- Removing the OEL Unit

1. Apply hot air to the cable pins for the anode terminal using
blower used for removing a flat-packaged IC or somethin
like that. When all the pins are peeling off from the PCB
pinch the cable with a pair of tweezers and remove it slowl
from the PCB. (Fig.8)

* Be careful not to remove other electrical parts when you us

a blower. Especially, when hot air is appropriated to th
VR1902 too much, the volume will destroy.
* Flexible cable may not remove easily by transforming the
Bosses by the hot air of the Blower. Fig.8

2. Five tabs are extended until becoming straight in the direc-

tion of the arrow and then remove the Holder. (Fig.8)
3. Slowly set up the OEL Unit. At this time, the stress is pre-
vented from hanging to flexible cable in the Cathode termi-
nal. (Fig.9)
4. The Cathode terminal is removed according to the procedure
same as the Anode terminal, and the OEL Unit is removed.
(Fig.9)
5. Remove the Holder. (Remove after removing the Cathode ter-
minal without fail.) (Fig.9)

- Installing the OEL Unit

1. Install the Holder in the OEL Unit. (Fig.10) Fig.9
2. When soldering the flexible cable for the Cathode terminal
on the PCB, use a pair of tweezers. First, insert the tips of
tweezers into 2 holes in the flexible cable, then into the 2
holes in the PCB. (Fig.10)
O
3. Position the flexible cable on the PCB so that their lands
U
touch each other. (Fig.10)
4. Apply solder to each pin of the flexible cable. (Fig.10) er

* Appropriate soldering iron lightly so that the stress should

not hang to Flexible cable.

5. Lay down the OEL Unit. (Fig.10)

6. Install the Holder. (Fig.8)
7. When soldering the flexible cable for the Anode terminal on
the PCB, first, insert the Bosses on the PCB into the 2 holes in
the flexible cable. Then, take the same procedures 2 and 3 as
that for the Cathode terminal to solder the cable pins. (Fig.8)

Fig.10

69
DEH-P840MP,P8400MP,P8450MP

- How to hold the Mechanical Unit

1. Hold the top and bottom frame.
2. Do not squeeze top frame's front portion too tight,
because it is fragile.

Do not squeeze.

- How to remove the Top and Bottom Frame

1. When the disk is in "clamp" state, unlock Spring A (6 Top Frame
pieces) and Spring B (2 pieces), and unscrew screws
(4 pieces).
2. Unlock each 1 of pawl at the both side of the frame,
then remove the top frame.
3. Remove the Carriage Mechanical part in such way Carriage
Mechanical
that; you remove the mechanical part from 3 pieces Part
of Damper while slowly pulling up the part.
4. Now, the top frame has been removed, and under
this state, fix the genuine Connector again, and eject
the disk.
(Caution)
Bottom Frame
When you reassemble the Carriage Mechanical part,
apply a bit of alcohol to Dampers.

Damper

- How to remove the Guide Arm Assy

1. Unlock the spring (1 piece) at the right side of the
assembly.
Screw Gear Bracket
2. Unscrew screws (2 pieces), then remove the Screw
Gear Bracket.
Guide Arm
3. Shift the Guide Arm Assy to the left and slowly rotate Assy
it to the upper direction.
4. When the Guide Arm Assy rotates approximately 45
degree, shift the Assy to the right side direction and
remove it.

Spring

70
DEH-P840MP,P8400MP,P8450MP

- How to remove the CD Core Unit(S9MP3)

1. Give jumper-solder treatment to the Flexible Wire of
Jumper-Solder
the Pickup unit, then remove the wire from the
Connector. CD Core Unit
(S9MP3)
2. Remove all 4 points of solder-treatment on the Lead
Wire. Also, unscrew the screw(1 piece).
3. Then, Remove the CD Core Unit(S9MP3).
(Caution)
Be careful not to damage SW when you reassemble
the CD Core Unit(S9MP3) into the device.

Solder

- How to remove the Loading Arm Assy

1. Unlock the spring (1 piece) and remove the E ring (1
piece) of the Fulcrum Shaft.
2. Shift the arm to the left side direction and unlock pins
(2 pieces).

Loading Arm Assy

- How to remove the Pickup Unit

Grease Application Pickup Unit Grease Application
1. Unscrew 2 pieces of screws, then remove the Pulley
Cover. Belt
2. Remove the Feed Screw unit from the pawl of the
Feed Screw Guide (The pawl is located inside the
guide).
3. Remove the belt from the Pulley, then remove the
Pickup unit.
Pulley Cover
(Caution)
Make sure not to stain the belt with grease when you
fix the belt.
Feed Screw Guide
Grease Application

71
72
(1) Drive Unit CXB7960
Grease (GEM1013) Application to all points.

(Slot) (Shaft)

(Shaft)
(Field) (Slot)
- Lubricants Points

CNC9679

(Slot)

(Slot)
(Field) (Boss)
DEH-P840MP,P8400MP,P8450MP

(Slot)
Both sides.
(Top)

(Tooth) (Tooth)

CNC9678

(Slot) (Slot)
Both sides.

(Slot)
(Boss) (Field) (Tooth)

CXB7959

(Slot)
(Slot)
(Shaft)
(Slot)
(Shaft)
(Slot) (Field)
DEH-P840MP,P8400MP,P8450MP

(2) Button (CAC7247)

Lubricants (GEM1016) Application to all points.

(Field)
(Field)

(3) Case Unit (CXB7968)

Lubricants (PN-38KE) Application to all points.

(Slot)
Both sides.

73
DEH-P840MP,P8400MP,P8450MP

7.1.2 CONNECTOR FUNCTION DESCRIPTION

ANTENNA

6 mm MAX

POWER SUPPLY
IP-BUS

2 4 6 8 10 12 14 16
1 3 5 7 9 11 13 15

1 B.UP 9 RL-
REAR OUTPUT 10 FL-
2 GND
3 ILM 11 RL+
4 B.REM 12 FL+
5 ACC 13 RR-
6 NC 14 FR-
7 NC 15 RR+
8 MUTE 16 FR+

FRONT OUTPUT

SUBWOOFER OUTPUT or NON-FADING OUTPUT

74
DEH-P840MP,P8400MP,P8450MP

7.2 PARTS
7.2.1 IC
PD5741A UPD63760GJ PD9023A
PD5740A MSM51V4265EP-70TS UPD61002GC
PAL007A BA033SFP
PD8091A BA5996FM
PD8092A PE5269A
PD5745A S-818A33AUC-BGN
PD6340A BA25BC0WFP

- Pin Functions (PD5741A)(DEH-P840MP/XN/UC, P8400MP/XN/UC)

Pin No. Pin Name I/O Function and Operation
1 BSO O P-BUS:Data output
2 bsck O P-BUS:Clock output
3 DUALILM O LCD:Illumination color select output
4 CD5VON O CDS:Eject sense output
5 VDT O EVOL:Data output
6 VST O EVOL:Strobe output
7 VCK O EVOL:Clock output
8 BYTE Vss
9 VSS Vss
10 TELIN I TEL:Telephone mute input
11 FLPPW O Auto flap motor power supply control output
12 RESET I Reset input(RESET)
13 XOUT O Clock output
14 VSS Power supply input(Vss)
15 XIN I Clock input
16 VCC Power supply input(Vcc)
17 NMI Not used(Vcc)(Pull up)
18,19 NC Not used
20 DALMON O Consumption current reduction output
21 IPBUSIN2 I IP-BUS:Input 2
22 OELPW O OEL Unit:Power supply output(16.5V)
23 SYSPW O System power control output
24 PEE O Beep tone output
25 NC Not used
26 ROMCS O External ROM:Chip select output
27 ROMCK O External ROM:Clock output
28 ROMDATA I/O External ROM:Data input / output
29 IPBUSIN I IP-BUS:Data input
30 IPBUSOUT O IP-BUS:Data output
31 DPDT1 O OEL Unit:Grille microcomputer communication data output
32 KYDT1 I OEL Unit:Grille microcomputer communication data input
33,34 NC Not used
35 DPDT2 O LCD:Grille microcomputer communication data output
36 KYDT2 I LCD:Grille microcomputer communication data input
37, 38 ROT1, 0 I Rotary encoder pulse input 1, 0
39 PCL O Clock adjustment output
40 SWVDD1 O OEL Unit:Grille microcomputer power supply output(5.1V)
41 DISPPW O LCD:Power supply control output
42 ILMPW1 O OEL Unit:Illumination power supply output(9.3V)
43 ILMPW2 O LCD:Illumination power supply output
44-48 NC Not used

75
DEH-P840MP,P8400MP,P8450MP

Pin No. Pin Name I/O Function and Operation

49 st I TUNER:Stereo input
50 SD I TUNER:SD input
51-53 NC Not used
54 LOCH O Local H output
55 TUNPDO O TUNER:PLL data output
56 TUNPDI I TUNER:PLL data input
57 TUNPCK O TUNER:PLL clock output
58 LOCL O Local L output
59 BRXEN I/O P-BUS:Communication input / output
60 BRST O P-BUS:Reset output
61 NC Not used
62 VCC Power supply input(Vcc)
63 NC Not used
64 VSS Connect to GND
65 FLPCLS O Auto flap close output
66 FLPOPN O Auto flap open output
67 flpejsw I Auto flap eject sense input
68 fopnsw I Auto flap open sense input
69 fclssw I Auto flap close sense input
70 FLPILM O DISC loading slot illumination output
71 tunpce@ O TUNER:PLL chip enable output 2
72 TUNPCE O TUNER:PLL chip enable output
73 bsens I Backup sense input
74 asens I ACC sense input
75 NC Not used
76-78 SMPXS2-0 O Multiplexor select output 2-0
79 SWVDD2 O LCD:Grille microcomputer power supply output(5V)
80 NC Not used
81 IPPW O IP-BUS:Driver power supply control output
82 ASENBO O IP-BUS:Slave ACC sense output
83 isens I Illumination sense input
84 DIMMER O LCD:Dimmer output
85 bsrq I P-BUS:Communication request input
86 NC Not used
87 MUTE O Mute output
88 TESTIN I Test program input
89 SAIN I Spectrum Analyzer input
90 ASLIN I ASL input
91 MODEL I Model select input
92,93 NC Not used
94 DSENS I Detach sense input
95 NC Not used
96 AVSS A/D converter power supply input(Vss)
97 SL I TUNER:Signal level input
98 VREF A/D converter reference voltage(Vref)
99 AVCC A/D converter power supply input(Vcc)
100 BSI I P-BUS:Data input

76
DEH-P840MP,P8400MP,P8450MP

PD5741A IC's marked by are MOS type.

30 1 Be careful in handling them because they are very
31 liable to be damaged by electrostatic induction.
100

50
81
51 80

- Pin Functions (PD5740A)(DEH-P8450MP/XN/ES)

77
DEH-P840MP,P8400MP,P8450MP

Pin No. Pin Name I/O Function and Operation

78
DEH-P840MP,P8400MP,P8450MP

*PD5740A
30 1
31
100

50
81
51 80

PAL007A
Reference

Protector;
Thermal

sw_vcc

amp_vcc
amp_vcc

+- -+ +- -+ +- -+ +- -+ sw_vcc
Detection

Detection

Detection
Detection
Offset

Offset

Offset
Offset

stby
Stand-by
Over voltage

Circuit
Protector;

Over current limit

Short circuit
Protector;

Mute circuit
Protector;
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
TAB

OUT1+

OUT3+
OUT2+

VCC

OUT1-

P-GND1

S-GND

IN4

IN3

AC-GND

OUT4+

MUTE

OUT4-

P-GND4
STBY

IN2

SWITCH
VCC
P-GND2

OUT2-

SVR

IN1

P-GND3

OUT3-

*PD8091A(DEH-P840MP/XN/UC)
*PD8092A(DEH-P8400MP/XN/UC, DEH-P8450MP/XN/ES)
D15/A-1
BYTE

VSS

VCC
A19

A10

A11

A12

A13

A14

A15

A16

D14

D13

D12
NC

44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23

D15/A-1 : Data output / Address input

A0-19 : Address input
D0-14 : Data output
ce : Chip enable
oe : Output enable
BYTE : Mode switch
VCC : Power supply
VSS : GND
NC : Not used

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
NC

A18

A17

VSS

D10

D11

79
DEH-P840MP,P8400MP,P8450MP

- Pin Functions (PD5745A)

Pin No. Pin Name I/O Function and Operation
1-5 NC Not used
6 BYTE I GND connection
7 CNVSS I GND connection
8, 9 NC Not used
10 reset I Reset input
11 XOUT O Crystal oscillating element connection pin
12 VSS VSS connection
13 XIN I Crystal oscillating element connection pin
14 VDD VDD connection
15 nmi I NVI input
16-19 NC Not used
20 CKC O Fixed pulse output for cathode driver
21 NC Not used
22 CKA O Fixed pulse output for anode driver
23 NC Not used
24 LS O Line sink signal output
25 NC Not used
26 CKD O Data transport / driver clock output
27 DPDT I Display data input
28 KYDT O Key data output
29 DA2 O Display data MSB output
30 NC Not used
31 CLK1 I Clock input for UART1
32 ILMD O Dual illumination select output
33 DA1 O Display data LSB output
34 NC Not used
35 CLK0 I Clock input for UART0
36 NC Not used
37 rdy I Pull up
38 NC Not used
39 hold I Pull up
40,41 NC Not used
42 rd O Read strobe output
43-45 NC Not used
46 cs@ O Bank address select output
47 cs! O Bank address select output
48 cs) O External ROM chip select output
49 A19 O Address bus 19 output
50 NC Not used
51-59 A17-A9 O Address bus 17-9 output
60 VDD VDD connection
61 A8 O Address bus 8 output
62 VSS GND connection
63-69 A7-A1 O Address bus 7-1 output
70 NC Not used
71-86 D15-D0 I/O Data bus 15-0 input / output
87,88 KS1,2 I/O key strobe input / output
89-92 NC Not used
93 KD2 I key data input
94 AVSS VSS connection
95 KD1 I key data input
96 VREF VSS connection
97 AVCC VCC connection
98-100 NC Not used

80
DEH-P840MP,P8400MP,P8450MP

*PD5745A
100 76
1
75

25
51
26 50

- Pin Functions (PD6340A)

Pin No. Pin Name I/O Function and Operation
1-5 SEG4-0 O LCD segment output
6-9 COM3-0 O LCD common output
10 VLCD LCD drive power supply
11-14 KST3-0 O Key strobe output
15,16 KDT0,1 I Key data input (analogue input)
17 REM I Remote control reception
18 DPDT I Display data input
19 NC Not used
20 KYDT O Key data output
21 MODA GND
22 X0 Crystal oscillator connection pin
23 X1 Crystal oscillator connection pin
24 VSS GND
25,26 KDT2,3 I Key data input
27 NC Not used
28 KST4 O Key strobe output
29-32 NC Not used
33-55 SEG35-13 O LCD segment output
56 VDD Power supply
57-64 SEG12-5 O LCD segment output

*PD6340A
16 1
17
64

32
49
33 48

81
DEH-P840MP,P8400MP,P8450MP

- Pin Functions (UPD63760GJ)

Pin No. Pin Name I/O Function and Operation
1 R.GND GND for DRAM I/F
2 rst I Input of reset
3-7 AB12-8 I Address bus 12-8 from the microcomputer
8-15 AD7-0 I/O Address/data bus 7-0 to the microcomputer
16 cs I Chip selection
17 ASTB I Address strobe
18 read I Control signals (read)
19 write I Control signals (write)
20 wait O Control signals (wait)
21 INTQ Interruption signals to the external microcomputer
22 IFMODE I Switching between the data buses (16bit/8bit)
23 D.VDD Power supply for digital circuits
24 xtalen! I Permission to oscillate 16.9344MHz
25 xtalen@ I Permission to oscillate 24.576MHz
26 DA.VDD Power supply for DAC
27 ROUT O Output of audio for the right channel
28 DA.GND GND for DAC
29 R+ O Output of the right channel audio PWM
30 R- O Output of the right channel audio PWM
31 REGC Connected to the capacitor for band gap
32 L- O Output of the left channel audio PWM
33 L+ O Output of the left channel audio PWM
34 DA.GND GND for DAC
35 LOUT O Output of audio for the left channel
36 DA.VDD Power supply for DAC
37 X.VDD Power supply for the crystal oscillator
38 XTAL1 Connected to the crystal oscillator (16.9344MHz)
39 xtal! Connected to the crystal oscillator (16.9344MHz)
40, 41 X.GND Ground for the crystal oscillator
42 xtal@ Connected to the crystal oscillator (24.576MHz)
43 XTAL2 Connected to the crystal oscillator (24.576MHz)
44 X.VDD Power supply for the crystal oscillator
45 D.GND GND for digital circuits
46 DIN I Input of audio data
47 DOUT O Output of audio data
48 SCKIN I Clock input for audio data
49 SCKO O Clock output for audio data
50 LRCKIN I Input of LRCK for audio data
51 LRCK O Output LRCK for audio data
52 TESTX O Output for tests
53 RFOK O Output of RFOK
54 C16M O Output of 16.9344MHz
55 TESTEN I Connected to GND
56 TEST4 I Connected to GND
57 D.VDD Power supply for digital circuits
58 RFCK/HOLD O Output of RFCK/HOLD signal
59 WFCK/MIRR O Output of WFCK/MIRR signal
60 PLCK O Output of PLCK
61 LOCK O Output of LOCK
62 C1D1 O Information on error correction
63 C1D2 O Information on error correction
64 C2D1(RMUTE) O Information on error correction (mute for Rch)
65 C2D2(LMUTE) O Information on error correction (mute for Lch)
66 C2D3 O Information on error correction
67 D.GND Ground for digital circuits
68 ras O Output of DRAM RAS

82
DEH-P840MP,P8400MP,P8450MP

Pin No. Pin Name I/O Function and Operation

69 cas) O Output of DRAM Lower CAS
70 cas! O Output of DRAM Upper CAS
71 we O Output of DRAM WE
72 oe O Output of DRAM OE
73-88 RDB0-15 I/O Input/output of DRAM Data0-15
89 D.GND Ground for digital circuits
90-99 RA0-9 O Output of DRAM Address0-9
100 D.VDD Power supply for digital circuits
101-104 TEST0-3 I Connected to GND
105 FD O Output of focus drive PWM
106 TD O Output of tracking drive PWM
107 SD O Output of thread drive PWM
108 MD O Output of spindle drive PWM
109 A.VDD Power supply for the analog system
110 ATEST O Analog tests
111 EFM O Output of EFM signals
112 ASY I Input of asymmetry
113 C3T Connection to the capacitor for detecting 3T
114 A.GND Ground for the analog system
115 RFI I Input of RF
116 AGCO O Output of RF
117 AGCI I Input of AGC
118 RFO O Output of RF(AGC)
119, 120 EQ2, 1 Equalizer 2, 1
121 RF2- I Reversal input of RF2
122 RF- I Reversal input of RF
123 A.GND Ground for the analog system
124 A I Input of A
125 C I Input of C
126 B I Input of B
127 D I Input of D
128 F I Input of F
129 E I Input of E
130 A.VDD Power supply for the analog system
131 REFOUT O Output of reference voltage
132 REFC Connected to the capacitor for output of REFOUT
133 FE- I Reversal input of FE
134 FEO O Output of FE
135 TE- I Reversal input of TE
136 TEO O Output of TE
137 TE2 O TE2
138 TEC I TEC
139 A.GND Ground for the analog system
140 LDREGO O Output of REG voltage for APC
141 PD I Input of PD
142 LD O Output of LD
143 PN I Assignment of pickup polarity
144 A.VDD Power supply for the analog system

83
DEH-P840MP,P8400MP,P8450MP

*UPD63760GJ *MSM51V4265EP-70TS
72

37
VCC 1 44 VSS
73 36
DQ1 2 43 DQ16
DQ2 3 42 DQ15
DQ3 4 41 DQ14
DQ4 5 40 DQ13
VCC 6 39 VSS
DQ5 7 A0-A8 :Address input 38 DQ12
ras : Row address strobe
DQ6 8 37 DQ11
lcas : Lower column address strobe
108 1 DQ7 9 ucas : Upper column address strobe 36 DQ10
DQ1-DQ16 : Data input/data output
DQ8 10 oe : Output enable 35 DQ9
109

144

we : Write enable
VCC : Power supply
VSS : GND
NC : No connection
NC 13 32 NC
NC 14 31 lcas
we 15 30 hcas
ras 16 29 oe
NC 17 28 A8
A0 18 27 A7
A1 19 26 A6
A2 20 25 A5
A3 21 24 A4
VCC 22 23 VSS

BA033SFP

Reference
voltage
2

5
3

4
1

VDD
VIN

NC
GND
VC

84
DEH-P840MP,P8400MP,P8450MP

- Pin Functions(BA5996FM)
Pin No. Pin Name Function and Operation
1 VR Input pin for reference voltage
2 OPIN2(+) Input pin for non-inverting input for CH2 preamplifier
3 OPIN2(-) Input pin for inverting input for CH2 preamplifier
4 OPOUT2 Output pin for CH2 preamplifier
5 OPIN1(+) Input pin for non-inverting input for CH1 preamplifier
6 OPIN1(-) Input pin for inverting input from CH1 preamplifier
7 OPOUT1 Output pin for CH1 preamplifier
8 GND Ground pin
9 MUTE Mute control pin
10 POWVCC1 Power supply pin for CH1, CH2, and CH3 at "Power" stage
11 VO1(-) Driver CH1 - Negative output
12 VO1(+) Driver CH2 - Positive output
13 VO2(-) Driver CH2 - Negative output
14 VO2(+) Driver CH2 - Positive output
15 VO3(+) Driver CH2 - Positive output
16 VO3(-) Driver CH2 - Negative output
17 VO4(+) Driver CH4 - Positive output
18 VO4(-) Driver CH4 - Negative output
19 POWVCC2 Power supply pin for CH4 at "Power" stage
20 GND Ground pin
21 CNT Control pin
22 LDIN Loading input
23 OPOUTSL Output pin for preamplifier for thread
24 OPINSL Input pin for preamplifier for thread
25 OPOUT3 CH3 preamplifier output pin
26 OPIN3(-) Input pin for inverting input for CH3 preamplifier
27 OPIN3(+) Input pin for non-inverting input for CH3 preamplifier
28 PREVCC PreVcc

BA5996FM

14 1

15 28

85
DEH-P840MP,P8400MP,P8450MP

- Pin Functions (PE5269A)

Pin No. Pin Name I/O Format Function and Operation
1 FTXD O C For rewriting Flash EP-ROM (sending signals)
2 NC Open
3 BSI I Input of P-Bus serial data
4 BSO O C Output of P-Bus serial data
5 bsck I/O /C Input/output of P-Bus serial clock
6, 7 DFS1, 2 O C Output 1, 2 of settings of DA I/F IC sampling frequency
8 DCKS O C Output for selection of DA I/F IC clock subharmonic number
9 EVDD Positive power supply for E power
10 EVSS Potential of GND of E power
11 NC Open
12 DCOPY O C Output of settings of DA I/F IC copy flag
13 crst O C Output of reset control of Compression IC
14-16 CBANK0-2 O C Output 0-2 of bank settings of Compression IC
17 emph O C Output of information on emphasis
18 DSPMUTE O C Output of DOUT Mute
19 DSET O C Output for lighting the disc set indicator
20 adena O C Output of control of A/D reference voltage supply
21 IC/VPP IC: connected directly to VSS / VPP: Pull-down
22 BRXEN I/O /C P-Bus receiving enabled
23 bsrq I/O /C Request for P-Bus service request
24 xtalen! O C Output of permission to oscillate CD LSI 16.9344MHz
25 xtalen@ O C Output of permission to oscillate CD LSI 24.576MHz
26 xrst O C Output of control of CD LSI reset
27 VDCONT O C Output of control of VD power supply
28 CD3VON O C Output of control of CD +3.3V power supply
29 CONT O C Output of control of power supply to servo driver
30 xwait I Input of control signals of CD LSI wait
31 LOEJ O C Output for switching between LOAD/EJECT directions
32 CLCONT O C Output for switching between driver inputs
33 CDMUTE O C Output of control of CD Mute
34 reset I Input of system reset
35 XT1 I Connected to the oscillator for subclock
(connected to VSS via the resistor)
36 XT2 Connected to the oscillator for subclock (Open)
37 REGC Connected to the capacity stabilizing output of the regulator
(an electrolytic capacitor of about 1µF)
38 X2 Connected to the oscillator for the main clock
39 X1 I Connected to the oscillator for the main clock
40 VSS Potential of GND
41 VDD Positive power supply (5V)
42 CLKOUT O C Output of internal system clock (Open)
43 xwrite O Output of control signals of CD LSI light
44 uben O Not used (Open)
45 WR/W O Output of Read/Write control signals of WMA decoder
46 xread O Output of read control signals of CD LSI
47 XASTB O Output of CD LSI address strobe
48 LOCK I Input of spindle lock
49 wrst O C Output for reset control of WMA decoder
50-57 AD0-7 I/O /C Address/Data Bus 0-7
58 BVDD B power supply, positive supply (3.3V)
59 BVSS B power supply, potential of GND
60-67 AD8-15 I/O /C Address/Data Bus 8-15
68 xcs O C Output for chip selection of CD LSI
69 wcs O C Output for chip selection of WMA decoder
70, 71 DBBWRDY0, 1 I Input of write-ready flag with WMA decoder DBBI0, 1
72, 73 DBBRRDY0, 1 I Input of read-ready flag with WMA decoder DBBO0, 1
74 AVDD A power supply, positive supply (5V)
75 AVSS A power supply, potential of GND

86
DEH-P840MP,P8400MP,P8450MP

Pin No. Pin Name I/O Format Function and Operation

76 AVREF Input of reference voltage for A/D converter
77 VDSENS Input of sensing short of VD power supply
78 DSCSNS Input of sensing disc status
79 TEMP Input of sensing information on temperature
80 HOME I Input of sensing Home SW
81 csens I Input of sensing the flap closed
82-85 NC Connected to AVDD or AVSS via the resistor
86 WMAARI I Input of sensing existence of WMA decoder & DA I/F IC
87 DRAMARI I Input of sensing existence of external DRAM for CD LSI
88 testin I Input with starting test program for checking chips
89 NC Connected to EVDD or EVSS via the resistor
90 xint Input of interruption signals of CD LSI
91 wint Input of interruption signals of WMA decoder
92 brst I Input of reset of P-Bus
93 ejsw I Input of Eject key
94-96 NC Open
97 ROMDATA I/O /C Input/output of E2PROM data
98 ROMCS O C Output for chip selection of E2PROM
99 ROMCK O C Output of clock of E2PROM
100 FRXD I For rewriting Flash EP-ROM (receiving signals)

*PE5269A
Format Meaning
30

31 100 C C MOS

50 81
51

87
DEH-P840MP,P8400MP,P8450MP

*S-818A33AUC-BGN BA25BC0WFP

GND
VIN ON/OFF
5 4

+
VREF ON/OFF

Vref

1 2 3

NC 3
2

5
4
1
VOUT VSS NC

OUT
VCC
CTL

NC
*PD9023A

CS 1 8 VCC

CS : Chip select input

SK 2 7 N.C.
SK : Serial clock input
DI : Serial data input
DO : Serial data output
DI 3 GND : Ground 6 N.C.
N.C. : No connection
VCC : Power supply
DO 4 5 GND

88
DEH-P840MP,P8400MP,P8450MP

- Pin Function (UPD61002GC)

Pin No. Pin Name I/O Function and Operation
1 VDD3 I/O Power supply (3.3V)
2-4 NC Not used
5 GND3 GND
6,7 NC Not used
8 DO0 O PCM output data
9 VDD2 Power supply (2.5V)
10 CKI I Clock input
11 DVDD Power supply (PLL) (Digital)
12 AVDD Power supply (PLL) (Analog)
13 AGND GND (PLL) (Analog)
14 DGND GND (PLL) (Digital)
15 VDD3I Interface terminal protection
16 LRCKO O PCM output LRCK
17 BCKO O PCM output bit clock
18 NC Not used
19 VDD3 Power supply (3.3V)
20 GND2 GND
21 MCK44 I Audio master clock input
22 MCK48 I Audio master clock input
23,24 P10, 11 I/O Port
25 VDD2 Power supply (2.5V)
26 GND3 GND
27-32 P12-17 I/O Port
33 VDD2 Power supply (2.5V)
34 P00/INTP00 I/O Port
35,36 NC Not used
37 P03/INTP03 I/O Port
38 P04/INTP04 I/O Port
39 P05/INTP05 I/O Port
40 GND2 GND
41,42 P06, 07 I/O Port
43 VDD3 Power supply (3.3V)
44-49 HAD0-5 I/O Host address / Data bus
50 GND3 GND
51 VDD3 Power supply (3.3V)
52-55 HAD6-9 I/O Host address / Data bus
56 GND3 GND
57-59 HAD10-12 I/O Host address / Data bus
60 VDD2 Power supply (2.5V)
61-63 HAD13-15 I/O Host address / Data bus
64 VDD3 Power supply (3.3V)
65 HAST I Host address strobe
66 HCSB I Host chip select
67 HR/WB I Host read / Write status
68 HDSTB I Host data strobe
69 GND2 GND
70 NC Not used
71 EXTDIR I Bus direction flag from external
72,73 DBBWRDY0, 1 O DBB write ready flag
74 DBBRRDY0 O DBB read ready flag
75 VDD2 Power supply (2.5V)
76 GND3 GND
77 DBBRRDY1 O DBB read ready flag
78 GND3 GND
79 RESETB I Reset
80 GND3 GND
81 VDD3 Power supply (3.3V)
82 GND3 GND
83 PLLCONT I PLL control
84 GND3 GND

89
DEH-P840MP,P8400MP,P8450MP

Pin No. Pin Name I/O Function and Operation

85 NC Not used
86 GND2 GND
87 DI3 I PCM input data
88 LRCKI3 I PCM input LRCK
89 BCKI3 I PCM input bit clock
90 DI2 I PCM input data
91 LRCKI2 I PCM input LRCK
92 BCKI2 I PCM input bit clock
93 DI1 I PCM input data
94 LRCKI1 I PCM input LRCK
95 BCKI1 I PCM input bit clock
96 VDD2 Power supply (2.5V)
97 DI0 I PCM input data
98 LRCKI0 I PCM input LRCK
99 BCKI0 I PCM input bit clock
100 GND2 GND

*UPD61002GC
100

1 75

25 51
26

90
DEH-P840MP,P8400MP,P8450MP

- FM/AM Tuner Unit

FM/AM 1ST IF 10.7MHz MPXREF 41kHz

AMRF T51 Q51 CF51 CF52 CF53 AMDET
AMANT
28 ATT L ch
IC 2 FM MPX 6
R ch
5

ANT ADJ IC1 COMP

21
MIXER, IF AMP, DET. LDET
18
FMANT
27 ATT
RFGND
26 FMRF
CF202

IC 3
IMG ADJ AM 2ND IF X901 EEPROM
450kHz 10.25MHz

FMLOCL
VDD

STIND
SDBW
DGND

FMSD
DI/DO
CREQ
VCC
RF ADJ

NL1
NL2
CE2

CE1
WC

NC
NC
NC

SL
LOCH LOCL
23 25 7 17 20 22 10 19 14 24 9 11 12 15 16 8 13 2 3 4 1

No. Symbol I/O Explain

1 STIND O stereo "Low" when the FM stereo signals are received.
indicator To be pulled up to the "VDD" at 47kΩ.
2 FMSD O FM station "High" when signals are received. To be pulled up to the "VDD" at 47kΩ
detector Meanwhile, 10kΩ should be used when taking diver FIX trigger from here
and "High: 0.9VDD or more" and "Low: 250mV or less".
(Should satisfy the diver IC specifications)
3 NL1 O noise level-1 "High" when noise is received. Output for the RDS. GND at 47kΩ //1,800pF.
4 NL2 O noise level-2 "High" when noise is received. Output for the RDS. GND at 36kΩ //330pF.
5 Rch O R channel FM stereo "R-ch" signal output or AM audio output.
output Add the specified de-emphasis constant.
6 Lch O L channel FM stereo "L-ch" signal output or AM audio output.
output Add the specified de-emphasis constant.
7 WC write control EEPROM write control. Writing permissible at "Low". Normally open.
8 SDBW O SD bandwidth SD bandwidth signal output. For detection of detuning data for the RDS.
9 NC Not used
10 VDD power Power supply pin for the digital section.
supply DC 5V +/- 0.25V. Be careful about overlapping noise in the logic section.
11 DGND digital ground Grounding for the digital section.
12 CE2 I chip enable-2 EEPROM chip enable. Active a "Low"
To be pulled up to the "VDD" at 47kΩ
13 SL I/O signal level Received FM/AM signal level (strength) output.
Connect the specified load resistor and capacitor (10k Ω + 39k Ω //4,700pF)
14 DI/DO I/O data input/ Data input/Data output
data output To be pulled up to the "VDD" at 47kΩ
15 CK I clock Clock input To be pulled up to the "VDD" at 47kΩ
16 CE1 I chip enable-1 AF·RF chip enable. Active at "High" To be grounded at 47kΩ
17 NC Not used
18 LDET O lock detector Active at "Low". To be pulled up to the "VDD" at 47kΩ
19 CREQ I current request Active at "Low". To be grounded at 47kΩ
20 NC Not used
21 COMP O composite signal FM composite signal output. r out < 100Ω
22 VCC power supply Analog section power supply pin.DC 8.4V +/- 0.3V
23 LOCH I local high FM local high pin. When seeking local high, apply 5V together with "LOCL".
24 FMLOCL I FM local low FM local low pin. When seeking local low, apply 5V to the base of the NPN
transistor with which the specified resistor is being connected to the emitter.
Keep it open in case of ordinary marketed models.
25 LOCL I local low FM/AM local low pin. When seeking local low, apply 5V to the base of the
NPN transistor. Since this pin is exclusive for AM when the FMLOCL is in use,
do not drive it under FM.
26 RFGND RF ground Grounding for the antenna section.
27 FMANT I FM antenna input FM antenna input. 75Ω. Surge absorber (DSP-201M-S00B) is necessary.
28 AMANT I AM antenna input AM antenna input. High impedance.
Connect to the antenna through an L (LAU type) of 4.7µH.To cope with the
power transmission line hums, insert a series circuit consisting of an L
(a coil of about 100mH) + R (a resistor of 470 Ω to 2.2kΩ) between the GND.

91
92
36
35
COMMON
SEGMENT

34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
4(COM0) 5
3(COM1) 4(COM0)
2(COM2) 3(COM1)
1(COM3) 2(COM2)
1(COM3)
CAW1704
7.2.2 DISPLAY
DEH-P840MP,P8400MP,P8450MP
DEH-P840MP,P8400MP,P8450MP

7.3 OPERATIONAL FLOW CHART

Power ON

VCC=5V
Pin 16/17/62/99

bsens
Pin 73

bsens=L

asens
Pin 74

asens=L
ASENBO←H
Pin 82

Starts
communication
with Grille
microcomputer.
300ms

SWVDD←H
Pin 40 (OEL)
Pin 79 (LCD) 300ms
In case of the above signal, the communication
with Grille microcomputer may fail.
Source keys If the time interval is not 300msec, the oscillator
operative may be defective.

Source ON

SYSPW←H
Pin 23

Completes power-on operation.

(After that, proceed to each source operation)

7.4 CLEANING
Before shipping out the product, be sure to clean the following portions by using the prescribed cleaning tools:

Portions to be cleaned Cleaning tools

CD pickup lenses Cleaning liquid : GEM1004
Cleaning paper : GED-008

93
DEH-P840MP,P8400MP,P8450MP

8. OPERATIONS AND SPECIFICATIONS

8.1 OPERATIONS

HEAD UNIT

- CLOSE POSITION

EJECT EQ SOURCE PAUSE CLOCK OPEN / / /

BUTTON BUTTON BUTTON BUTTON BUTTON BUTTON BUTTONS

VOLUME 1-6 (PRESET TUNING) RESET BAND

BUTTON BUTTON BUTTON

- OPEN POSITION

ENTERTAINMENT AUDIO
BUTTON BUTTON

DISPLAY FUNCTION
BUTTON BUTTON

94
DEH-P840MP,P8400MP,P8450MP

REMOTE CONTROL ASSY

- DEH-P840MP/XN/UC, P8450MP/XN/ES

ATT
BUTTON

BAND SOURCE
BUTTON BUTTON

/ / /
BUTTONS
VOLUME
BUTTON
FUNCTION AUDIO
BUTTON BUTTON

REMOTE CONTROL UNIT

- DEH-P8400MP/XN/UC

+/-
BUTTON

BAND ATT
BUTTON BUTTON

/ / /
BUTTONS
FUNCTION
AUDIO
BUTTON
BUTTON
CD TUNER
BUTTON BUTTON

PAUSE
BUTTON

95
96
CONNECTION DIAGRAM
20. Power amp
1. Antenna jack (sold separately)
15 cm
15. Front output (FRONT OUTPUT)
15 cm
20. Power amp
2. IP-BUS input (Blue) (sold separately)
15 cm 19. Connecting cords
15 cm 16. Rear output (REAR OUTPUT) with RCA pin plugs
(sold separately)
20. Power amp
(sold separately)
23 cm
17. Subwoofer output or Non Fading output
(SUBWOOFER or NON-FADING OUTPUT) U
3. IP-BUS cable
5. This Product

4. Multi-CD player
(sold separately)
18. Blue/white
To system control terminal of the power amp
or Auto-antenna relay control
r terminal
(max. 300 mA 12 V DC). 21. S
System remote control
6. Yellow/black
DEH-P840MP,P8400MP,P8450MP

If you use a cellular telephone, connect it via the

Audio Mute lead on the cellular telephone. If not,
keep the Audio Mute lead free of any connections.
+ +
7. Fuse holder 22. Front speaker
p 22. Front speaker
≠ ≠
8. Yellow
To terminal always supplied
with power regardless of
ignition switch position.
23. White 24. Gray
+ +
9. Red p
22. Front speaker 22. Front speaker
To electric terminal controlled by 10. Fuse resistor ≠ ≠
ignition switch (12 V DC) 25.White/black 26.Gray/black
ON/OFF. 27. Left
e 28. Right
29. Green 30. Violet
11. Orange/white + +
To lightnig switch terminal. 31. Rear speaker
e 31. Rear speaker
≠ ≠
12. Black (ground) 32. Green/black 33. Violet/black
To vehicle (metal) body.

13. With a 2 speaker system, do not connect anything to

the speaker leads that are not connected to speakers. + +
e
31. Rear speaker 31. Rear speaker
≠ ≠
14. Use this for connections when you have the separately
available amplifier.
+ +
34. Subwoofer
o 34. Subwoofer
≠ ≠
DEH-P840MP,P8400MP,P8450MP

8.2 SPECIFICATIONS

- DEH-P840MP/XN/UC

Specifications (High) ....................... +11 dB (100 Hz)

+11 dB (10 kHz)
General (Volume: –30 dB)
Power source .................. 14.4 V DC Tone controls:
(10.8 – 15.1 V allowable) (Bass)
Grounding system .......... Negative type Frequency ......... 40/63/100/160 Hz
Max. current consumption Gain ................... ±12 dB
......................................... 10.0 A (Treble)
Backup current ................ 5mA or less Frequency ......... 2.5 k/4 k/6.3 k/10 k Hz
Gain ................... ±12 dB
Dimensions (W x H x D): HPF:
(When closed) Frequency ......... 50/80/125 Hz
(DIN) Chassis .......... 178 x 50 x 157 mm Slope ................. –12 dB/oct
[7 x 2 x 6-1/8 in] Subwoofer:
Nose ............... 188 x 58 x 28 mm Frequency ......... 50/80/125 Hz
[7-3/8 x 2-1/4 x 1-1/8 in] Slope ................. –18 dB/oct
(D) Chassis .......... 178 x 50 x 162 mm Gain ................... ±12 dB
[7 x 2 x 6-3/8 in] Phase ................. Normal/Reverse
Nose ............... 170 x 44 x 23 mm
CD player
[6-3/4 x 1-3/4 x 7/8 in]
System ............................ Compact disc audio
(When opened)
system
(DIN) Chassis .......... 178 x 50 x 157 mm
Usable discs .................... Compact disc
[7 x 2 x 6-1/8 in]
Signal format:
Nose ............... 188 x 68 x 50 mm
Sampling frequency 44.1 kHz
[7-3/8 x 2-5/8 x 2 in]
Number of quantization bits
(D) Chassis .......... 178 x 50 x 162 mm
.................................. 16; linear
[7 x 2 x 6-3/8 in]
Frequency characteristics
Nose ............... 170 x 64 x 45 mm
......................................... 5 – 20,000 Hz (±1 dB)
[6-3/4 x 2-1/2 x 1-3/4 in]
Signal-to-noise ratio ....... 94 dB (1 kHz)
Weight ............................. 1.7 kg (3.74 lbs.)
(IHF-A network)
Audio Dynamic range ................ 92 dB (1 kHz)
Continuous power output is 22 W per channel min. into 4 ohms, both Number of channels ....... 2 (stereo)
channels driven 50 to 15,000 Hz with no more than 5% THD. MP3 decoding format ..... MPEG-1&2 Audio Layer-3
Maximum power output 50 W x 4 WMA decoding format.... Ver. 7 & 8
for subwoofer (70 W x 1 ch/2 Ω) FM tuner
Load impedance ............. 4 Ω (4 – 8 Ω [2 Ω for 1 ch] Frequency range ............. 87.9 – 107.9 MHz
allowable) Usable sensitivity ........... 9 dBf (0.8 µV/75 Ω, mono,
Preout max output level/output impedance S/N:30 dB)
......................................... 4 V/1 kΩ 50 dB quieting sensitivity 15 dBf (1.5 µV/75 Ω, mono)
Equalizer (3-Band Parametric Equalizer): Signal-to-noise ratio ....... 70 dB (IHF-A network)
(Low) Distortion ........................ 0.3% (at 65 dBf, 1 kHz,
Frequency ......... 40/80/100/160 Hz stereo)
Q Factor ............. 0.35/0.59/0.95/1.15 Frequency response ....... 30 – 15,000 Hz (± 3 dB)
(+6 dB when boosted) Stereo separation ........... 40 dB (at 65 dBf, 1 kHz)
Gain ................... ±12 dB Selectivity ....................... 70 dB
(Mid) Three signal intermodulation
Frequency ......... 200/500/1 k/2 k Hz (Desire signal level) . 30 dBf
Q Factor ............. 0.35/0.59/0.95/1.15 (two undesire signal level: 100 dBf)
(+6 dB when boosted)
Gain ................... ±12 dB AM tuner
(High) Frequency range ............. 530 – 1,710 kHz (10 kHz)
Frequency ......... 3.15 k/8 k/10 k/12.5 k Hz Usable sensitivity ........... 18 µV (S/N: 20 dB)
Q Factor ............. 0.35/0.59/0.95/1.15 Selectivity ....................... 50 dB (± 10 kHz)
(+6 dB when boosted)
Gain ................... ±12 dB
Loudness contour: Note
(Low) ........................ +3.5 dB (100 Hz)
• Specifications and the design are subject to possible modifications
+3 dB (10 kHz)
(Mid) ......................... +10 dB (100 Hz) without notice due to improvements.
+6.5 dB (10 kHz)

97
DEH-P840MP,P8400MP,P8450MP

- DEH-P8400MP/XN/UC
Specifications (High) ....................... +11 dB (100 Hz)
+11 dB (10 kHz)
General (Volume: –30 dB)
Power source .................. 14.4 V DC Tone controls:
(10.8 – 15.1 V allowable) (Bass)
Grounding system .......... Negative type Frequency ......... 40/63/100/160 Hz
Max. current consumption Gain ................... ±12 dB
......................................... 10.0 A (Treble)
Backup current ................ 5mA or less Frequency ......... 2.5 k/4 k/6.3 k/10 k Hz
Gain ................... ±12 dB
Dimensions (W x H x D): HPF:
(When closed) Frequency ......... 50/80/125 Hz
(DIN) Chassis .......... 178 x 50 x 157 mm Slope ................. –12 dB/oct
[7 x 2 x 6-1/8 in] Subwoofer:
Nose ............... 188 x 58 x 28 mm Frequency ......... 50/80/125 Hz
[7-3/8 x 2-1/4 x 1-1/8 in] Slope ................. –18 dB/oct
(D) Chassis .......... 178 x 50 x 162 mm Gain ................... ±12 dB
[7 x 2 x 6-3/8 in] Phase ................. Normal/Reverse
Nose ............... 170 x 44 x 23 mm
CD player
[6-3/4 x 1-3/4 x 7/8 in]
System ............................ Compact disc audio
(When opened)
system
(DIN) Chassis .......... 178 x 50 x 157 mm
Usable discs .................... Compact disc
[7 x 2 x 6-1/8 in]
Signal format:
Nose ............... 188 x 68 x 50 mm
Sampling frequency 44.1 kHz
[7-3/8 x 2-5/8 x 2 in]
Number of quantization bits
(D) Chassis .......... 178 x 50 x 162 mm
.................................. 16; linear
[7 x 2 x 6-3/8 in]
Frequency characteristics
Nose ............... 170 x 64 x 45 mm
......................................... 5 – 20,000 Hz (±1 dB)
[6-3/4 x 2-1/2 x 1-3/4 in]
Signal-to-noise ratio ....... 94 dB (1 kHz)
Weight ............................. 1.7 kg (3.74 lbs.)
(IHF-A network)
Audio Dynamic range ................ 92 dB (1 kHz)
Continuous power output is 22 W per channel min. into 4 ohms, both Number of channels ....... 2 (stereo)
channels driven 50 to 15,000 Hz with no more than 5% THD. MP3 decoding format ..... MPEG-1&2 Audio Layer-3
Maximum power output 50 W x 4 WMA decoding format.... Ver. 7 & 8
for subwoofer (70 W x 1 ch/2 Ω) FM tuner
Load impedance ............. 4 Ω (4 – 8 Ω [2 Ω for 1 ch] Frequency range ............. 87.9 – 107.9 MHz
allowable) Usable sensitivity ........... 9 dBf (0.8 µV/75 Ω, mono,
Preout max output level/output impedance S/N:30 dB)
......................................... 4 V/1 kΩ 50 dB quieting sensitivity 15 dBf (1.5 µV/75 Ω, mono)
Equalizer (3-Band Parametric Equalizer): Signal-to-noise ratio ....... 70 dB (IHF-A network)
(Low) Distortion ........................ 0.3% (at 65 dBf, 1 kHz,
Frequency ......... 40/80/100/160 Hz stereo)
Q Factor ............. 0.35/0.59/0.95/1.15 Frequency response ....... 30 – 15,000 Hz (± 3 dB)
(+6 dB when boosted) Stereo separation ........... 40 dB (at 65 dBf, 1 kHz)
Gain ................... ±12 dB Selectivity ....................... 70 dB
(Mid) Three signal intermodulation
Frequency ......... 200/500/1 k/2 k Hz (Desire signal level) . 30 dBf
Q Factor ............. 0.35/0.59/0.95/1.15 (two undesire signal level: 100 dBf)
(+6 dB when boosted)
Gain ................... ±12 dB AM tuner
(High) Frequency range ............. 530 – 1,710 kHz (10 kHz)
Frequency ......... 3.15 k/8 k/10 k/12.5 k Hz Usable sensitivity ........... 18 µV (S/N: 20 dB)
Q Factor ............. 0.35/0.59/0.95/1.15 Selectivity ....................... 50 dB (± 10 kHz)
(+6 dB when boosted)
Gain ................... ±12 dB
Loudness contour: Note
(Low) ........................ +3.5 dB (100 Hz)
+3 dB (10 kHz)
• Specifications and the design are subject to possible mod-
(Mid) ......................... +10 dB (100 Hz) ifications without notice due to improvements.
+6.5 dB (10 kHz)

98
DEH-P840MP,P8400MP,P8450MP

- DEH-P8450MP/XN/ES
Specifications (Treble)
Frequency ......... 2.5 k/4 k/6.3 k/10 k Hz
Gain ................... ±12 dB
General HPF:
Power source .................. 14.4 V DC Frequency ......... 50/80/125 Hz
(10.8 – 15.1 V allowable) Slope ................. –12 dB/oct
Grounding system .......... Negative type Subwoofer:
Max. current consumption Frequency ......... 50/80/125 Hz
......................................... 10.0 A Slope ................. –18 dB/oct
Backup current ................ 5mA or less Gain ................... ±12 dB
Phase ................. Normal/Reverse
Dimensions (W x H x D):
(When closed) CD player
(DIN) Chassis ........... 178 x 50 x 157 mm System ............................ Compact disc audio
Nose ............... 188 x 58 x 28 mm system
(D) Chassis ........... 178 x 50 x 162 mm Usable discs .................... Compact disc
Nose ............... 170 x 44 x 23 mm Signal format:
(When opened) Sampling frequency 44.1 kHz
(DIN) Chassis ........... 178 x 50 x 157 mm Number of quantization bits
Nose ............... 188 x 68 x 50 mm .................................. 16; linear
(D) Chassis ........... 178 x 50 x 162 mm Frequency characteristics
Nose ............... 170 x 64 x 45 mm ......................................... 5 – 20,000 Hz (±1 dB)
Weight ............................. 1.7 kg Signal-to-noise ratio ....... 94 dB (1 kHz)
(IEC-A network)
Audio Dynamic range ................ 92 dB (1 kHz)
Continuous power output is 22 W per channnel min. into 4 ohms, Number of channels ....... 2 (stereo)
both channels driven 50 to 15,000 Hz with no more than 5% THD. MP3 decoding format ..... MPEG-1&2 Audio Layer-3
Maximum power output 50 W x 4 WMA decoding format ... Ver. 7 & 8
for subwoofer (70 W x 1 ch/2 Ω)
Load impedance ............. 4 Ω (4 – 8 Ω [2 Ω for 1 ch] FM tuner
allowable) Frequency range ............. 87.5 – 108 MHz
Preout max output level/output impedance Usable sensitivity ........... 9 dBf (0.8 µV/75 Ω, mono,
......................................... 4.0 V/1 kΩ S/N:30 dB)
Equalizer (3-Band Parametric Equalizer): 50 dB quieting sensitivity 15 dBf (1.5 µV/75 Ω, mono)
(Low) Signal-to-noise ratio ....... 70 dB (IEC-A network)
Frequency ......... 40/80/100/160 Hz Distortion ........................ 0.3% (at 65 dBf, 1 kHz,
Q Factor ............. 0.35/0.59/0.95/1.15 stereo)
(+6 dB when boosted) Frequency response ....... 30 – 15,000 Hz (± 3 dB)
Gain ................... ±12 dB Stereo separation ........... 40 dB (at 65 dBf, 1 kHz)
(Mid)
Frequency ......... 200/500/1 k/2 k Hz AM tuner
Q Factor ............. 0.35/0.59/0.95/1.15 Frequency range ............. 530 – 1,640 kHz (10 kHz)
(+6 dB when boosted) 531 – 1,602 kHz (9 kHz)
Gain ................... ±12 dB Usable sensitivity ........... 18 µV (S/N: 20 dB)
(High) Selectivity ....................... 50 dB (±10 kHz)
Frequency ......... 3.15 k/8 k/10 k/12.5 k Hz 50 dB (±9 kHz)
Q Factor ............. 0.35/0.59/0.95/1.15
(+6 dB when boosted)
Infrared Remote Control
Gain ................... ±12 dB Wavelength ..................... 940 nm ± 50 nm
Loudness contour: Output ............................. typ; 12 mw/sr per Infrared
(Low) ........................ +3.5 dB (100 Hz) LED
+3 dB (10 kHz)
(Mid) ......................... +10 dB (100 Hz) Note
+6.5 dB (10 kHz)
(High) ....................... +11 dB (100 Hz) • Specifications and the design are subject to possible mod-
+11 dB (10 kHz) ifications without notice due to improvements.
(Volume: –30 dB)
Tone controls:
(Bass)
Frequency ......... 40/63/100/160 Hz
Gain ................... ±12 dB

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