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com

WM-EX610
QQ 376315150 892498299
SERVICE MANUAL AEP Model
UK Model
Ver 1.0 2000.10 Chinese Model
Tourist Model
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Manufactured under license from Dolby Laboratories Model Name Using Similar Mechanism NEW
Licensing Corporation.
Tape Transport Mechanism Type MT-WMEX610-162
“DOLBY” and the double-D symbol a are trademarks
of Dolby Laboratories Licensing Corporation.
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SPECIFICATIONS

Frequency response (Dolby NR off) Mass

Playback: 30 - 18 000 Hz Approx. 160 g
Output Supplied accessories
Headphones (i jack) • Battery case (1)
Load impedance 8 - 300 Ω • Stereo headphones or earphones with remote control (1)
Power requirements • Battery charger (1)
1.5 V • Rechargeable battery (NC-6WM, 1.2 V, 600 mAh, Ni-Cd) (1)
Rechargeable battery • Carrying pouch (1)
One R6 (size AA) battery • Rechargeable battery carrying case (1)
Dimensions (w/h/d)
Approx. 77.1 × 108.6 × 20.6 mm Design and specifications are subject to change without notice.

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CASSETTE PLAYER
.

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QQ 376315150 892498299
TABLE OF CONTENTS

1. SERVICE NOTE ······························································· 3

2. GENERAL ·········································································· 5

3. DISASSEMBLY
3-1. CASE SUB ASSY ·························································· 7
3-2. MAIN BOARD ······························································· 8
3-3. BELT (F4) ······································································· 8
3-4. MOTOR (M901) ····························································· 9
3-5. LID ASSY, CASSETTE ················································· 9
3-6. ORNAMENT, REEL ···················································· 10
3-7. HOLDER (FS) ASSY ··················································· 10
3-8. LEVER (NA)/(RA) ASSY, PINCH ······························ 11
3-9. HEAD, MAGNETIC (HP901) ······································ 11

4. MECHANICAL ADJUSTMENT ································ 12

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5. ELECTRICAL ADJUSTMENT ·································· 12
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6. DIAGRAMS
6-1. BLOCK DIAGRAM ····················································· 13
6-2. IC BLOCK DIAGRAMS ·············································· 15
6-3. PRINTED WIRING BOARD ······································· 16
6-4. SCHEMATAC DIAGRAM ··········································· 19
6-5. IC PIN FUNCTION ······················································ 22

7. EXPLODED VIEWS
7-1. CABINET BLOCK, MAIN BOARD ··························· 24
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7-2. MECHANISM DECK BLOCK ···································· 25

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8. ELECTRICAL PARTS LIST ······································· 26
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Notes on chip component replacement

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be
damaged by heat.

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SAFETY-RELATED COMPONENT WARNING!!
Flexible Circuit Board Repairing
• Keep the temperature of soldering iron around 270˚C COMPONENTS IDENTIFIED BY MARK ! OR DOTTED LINE WITH
during repairing. MARK ! ON THE SCHEMATIC DIAGRAMS AND IN THE PARTS

.
• Do not touch the soldering iron on the same conductor of the
circuit board (within 3 times).
• Be careful not to apply force on the conductor when soldering
LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE
COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS
APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
or unsoldering. PUBLISHED BY SONY.

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SECTION 1

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SERVICE NOTE
[Service Mode]
The service mode enables to operate the mechanism of WM-EX610 3. FF, REW modes
while the MAIN board is opened. 1) Check that the PRE-SET status is set.
Rotation of the idler gear (A) (S side) is detected using the photo- 2) Connect square wave or sine wave to TP53 (P. IN) and TP14
reflector (PH701) in the WM-EX610. PH701 is located on the (GND). (See illustration below)
MAIN board, therefore the rotation of the idler gear (A) (S side) 3) Press the x switch (S702) to enter the STOP mode.
cannot be detected by PH701 when the MAIN board is removed. 4) Press the FF AMS switch (S704) and the REW AMS switch
As a result, the motor cannot be controlled and cannot run correctly. (S705).
To repair the machine after the MAIN board is removed while the
main power is turned on, follow the procedures as described below. 4. PLAY mode
1) Check that the PRE-SET status is set.
1. Setting 2) Connect square wave or sine wave to TP53 (P. IN) and TP14
1) Remove the cabinets referring to section “3. DISASSEMBLY”. (GND). (See illustration below)
Open the MAIN board. 3) Press the x switch (S702) to enter the stop mode.
2) Connect the motor (M901) and the plunger solenoid (PM901) 4) When the nN switch (S703) of the MAIN board is pressed,
to the MAIN board using the jumper wires. When the extension the slider (N/R) moves once to the F side then moves to the R
jig (1-769-143-11) (10 wires as a set) is used, they can be side. When the FWD/REV switch (S701) is pressed in the
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connected easily. synchronism with the above timing, the machine can enter the
3) Short the TAPE DETECT switch (S901-1) and the ATS switch PLAY (R side) mode. Press the nN switch (S703) again,
(S901-2). and move the FWD/REV switch (S701) in the synchronism
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4) Connect an AF oscillator to TP53 (P. IN) and TP14 (GND). with the motion of slider (NR). It enables the machine to enter
5) Connect DC 1.3 V from external regulated power supply to ‘ into the PLAY (F side) mode.
and ’ terminals of the battery.
Note 1: When you fail to enter the PLAY mode, re-start from step
2. PRE-SET status 1) PRE-SET status.
The PLAY, FF and REW modes can be entered only from the PRE- Note 2: Regarding the nN (S703), x (S702),
SET status. FF AMS (S704), and REW AMS (S705) switches, use
1) Check that the slider (NR) is in the center position (S701), and these switches of the remote control unit as much as possible.
the FWD/REV switch is also in the center position. When Note 3: If a headphones are used, the beep sound shows the timing
these switches are not in the center position, set them to the of the FWD/REV switch (S701).
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PRE-SET status as follows.

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2) Move the FWD/REV switch (S701) to the same position as the
slider (NR) is set. QQ 376315150 892498299
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3) The slider (NR) can be moved when the main power of the
regulated power supply is turned OFF once then back ON.
Move the FWD/REV switch (S701) to the center position in
synchronism with the timing when the slider (NR) is moved.

TAPE DETECT ATS

SWITCH SWITCH
(S901-1) (S901-2) – MAIN BOARD (SIDE B) —

Plunger (PM901)
AF OSC
Square-wave (sine wave)
Short 10 Hz, -3.5 dB Battery terminal ‘
Battery terminal ’ +
–

PH701
REW AMS
TP53 (S705)
(P.IN)
M M901
p(S702)

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œREPEAT

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S701
(S703) FWD←STOP→REV
FF AMS
(S704)
TP14

. (GND)

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[ Slider (NR) ] [ Tape drive mechanism ]
Tape drive mechanism in PLAY mode

Gear (NR)
(FWD : Left side
REV : Right side)
Idler Gear
Slider (NR) (A)(T side) Idler Gear (A)(S side)
Gear Gear (REEL)(S side)
(REEL)(T side)
Motor Pulley
Cam Gear

F side R side
Center Clutch Assy
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Gear (Y)
Idler Gear
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Pulley (Reverse)
Insert Flywheel (R)
Insert Flywheel (N)
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Tape drive mechanism in FF mode Tape drive mechanism in REW mode
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Gear (FR)
Gear (FR) (REW : Right side)
Idler Gear Idler Gear
(FF : Left side)
(A)(T side) (A)(S side) Gear
Gear (REEL)(S side)
(REEL)(T side) Motor Pulley Motor Pulley

Cam Gear Cam Gear

Clutch Assy Clutch Assy

Gear (Y) Gear (Y)

Pulley (Reverse) Pulley (Reverse)

Insert Flywheel (R) Insert Flywheel (N) Insert Flywheel (R)
Insert Flywheel (N)

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SECTION 2 This section is extracted

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GENERAL from instruction manual.

A C
EX615
3
1
BATT
2
4

B
UK, Australian, and Other models
Hong Kong model
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EX610

BATT
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Plug in firmly.

REV REW (–)

FWD FF (+)

VOL

HOLD SOUND

Y•x MODE

HOLD HOLD
VOL i VOL i

BATT
BATT
Y•REPEAT
Y•REPEAT
x
x

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FF•CUE

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FF•CUE (AMS)
REW•REVIEW
REW•REVIEW (AMS)
OPEN
OPEN

. EX615 EX610

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Operation on the main unit Playing a Tape Recorded with the
Preparations

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To Press Dolby* B NR System
Prepare a dry battey (not supplied) or the Switch playback to the Hold down SOUND until “;” appears in the
Y•REPEAT during
rechargeable battery (supplied). other side playback display.
To cancel Dolby B NR, hold down SOUND again
Stop playback x until “;” disappears.
Dry Battery A
Fast forward* FF•CUE during stop
Attach the supplied battery case, and then insert one * Manufactured under license from Dolby Laboratories.
R6 (size AA) battery with correct polarity. Rewind* REW•REVIEW during stop “Dolby”and the double-D symbol are trademarks of
Repeat the current track Y•REPEAT for 2 seconds Dolby Laboratories.
Note (Repeat Single Track or more during playback
• For maximum performance we recommend that you function) To stop a single repeat, press it Note
use a Sony alkaline battery. again. • You cannot turn on/off the Dolby B NR function
during fast-forward or rewind.
Rechargeable Battery B * If Y•x on the remote control is pressed during fast
forward or rewind, the Walkman switches to
Emphasizing Sound
1 Insert the supplied rechargeable battery (NC-6WM)
into the charger with correct polarity. playback. 1 Press SOUND repeatedly. With each press, the
2 Plug in the charger to the house current (mains). indications change as follows:
UK, Australian, and Hong Kong model: Full RV (Sound Revitalizer): emphasizes treble sound
charging takes about 3.5 hours. Other tape operations MB (Mega Bass): emphasizes bass sound
U.S.A., Canada, European Continent and Saudi Use the FF/REW buttons on the remote control, or (moderate effect)
Arabian model: Full charging takes about 2.5 FF•CUE (AMS)/REW•REVIEW(AMS) on the main GRV (Groove): emphasizes bass sound
hours. unit. (strong effect)
Korean model: The full charging time depends on none: normal (no effect)
the voltage of your mains. To Press
110 V: 10 hours Notes
Fast forward while Press and hold FF during • If the sound is distorted with the mode “GRV”, turn
220 V: 2.5 hours
listening to the sound playback and release it at down the volume of the main unit or select other
Other models: The full charging time depends on (CUE) the point you want. modes.
the voltage of your mains.
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• You cannot change the mode during fast-forward or
120 V: 10 hours Rewind while listening Press and hold REW during
rewind.
220 – 240V: 2.5 hours to the sound (REVIEW) playback and release it at
3 Insert the fully charged battery into the the point you want.
Protecting Your Hearing — AVLS
rechargeable battery compartment. Play the next track/ FF once/repeatedly during (Automatic Volume Limiter System)
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succeeding 9 tracks playback
You can charge the battery about 300 times. from the beginning Hold down MODE until “AVLS” appears in the
(AMS*) display.
When to replace/charge the battery C To cancel the AVLS function, hold down MODE
Play the current track/ REW once/repeatedly
Replace or charge the battery when “e” flashes in previous 8 tracks from during playback again until “AVLS” disappears.
the display on the remote control and the BATT lamp the beginning (AMS*)
on the main unit goes out. Note
Play the other side from FF for 2 seconds or more • You cannot turn on/off the AVLS function during fast-
the beginning (Skip during stop forward or rewind.
Note
Reverse function)
•After the battery is replaced, the setting of the
SOUND and MODE buttons will be erased. Play the same side from REW for 2 seconds or more Locking the Controls
the beginning (Rewind during stop — HOLD Function
Auto Play function)
Slide the HOLD switch in the direction of the arrow
Playing a Tape to lock the controls of the Walkman or the remote
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* Automatic Music Sensor control.

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1 Insert a cassette and if the HOLD function is
on, slide the HOLD switch in the opposite
Using Other Functions
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direction of the arrow to unlock the controls.
2 Press Y(play)•x(stop) on the remote Adjusting Playback Mode
control and adjust the volume with VOL. You can adjust the playback direction mode (s or
(On the main unit, press Y•REPEAT.) d) as well as the BL SKIP mode (on or off).

When adjusting the volume on the main unit 1 Press MODE repeatedly. With each press the
Set the VOL control on the remote control at maximum. indications change as follows:

When adjusting the volume on the remote control B s

Set the VOL control on the main unit to around 6. v
s BL SKIP
Operation on the remote control v
d
To Press v
Switch playback to the Y•x more than a second d BL SKIP
other side during playback
Stop playback Y•x once during •When “BL SKIP” is displayed, the tape is fast-
playback forwarded to the next track if there is a blank space
of longer than 12 seconds. You will hear repeated
Fast forward* FF during stop sets of three short beeps when skipping a blank.
Rewind* REW during stop •When “s” is displayed, both sides of the tape is
Repeat the current track Y•x twice during played repeatedly.
(Repeat Single Track playback •When “d” is displayed, both sides of the tape is
function) To stop a single repeat, press played once (if you start from R (REV) side, only
Y•x once REV side will be played).

Note
• You cannot adjust the playback mode during fast-
forward or rewind.

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SECTION 3

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DISASSEMBLY
Note : Follow the disassembly procedure as shown in the flow chart below.

Set Case sub Main board Belt (F4) Motor (M901)

assy

Lid assy, Ornament, Holder (FS) Lever (NA)/(RA) Head, magnetic

cassette reel assy assy, pinch (HP901)

Note : Follow the disassembly procedure in the numerical order given.

3-1. CASE SUB ASSY

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Claw
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1 Lid, battery case

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S707
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3 Two screws
(M1.4 × 2.5)

2 Screw
(M1.4 × 2.5)

knob (HOLD)
Note: When assembling the case sub
assy, align the knob (HOLD)
4 Two screws with the position of S707.
(M1.4 × 2.5)
5 Remove the case sub assy
in the direction of the arrow.

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3-2. MAIN BOARD

2 Remove soldering (four points)

from the leaf switch.
5 Two Screws
(M2.0)
3 Remove soldering (two points)
from plunger solenoid. S701

1 Remove soldering (six points)

from the head flexible boards.

7 MAIN board
Note : Be careful of the claw.

6 Screw
(M1.4)
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4 Remove soldering
(four points) from motor.
Claw
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Head flexible board

SLIDER
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Note: When assembling the MAIN board,

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3-3. BELT (F4)

3 Belt (F4) 2 Terminal board (Battery’)

1 Remove soldering from

the battery terminal board.

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3-4. MOTOR (M901)

1 Two screws
(M1.4)

2 Motor
(M901)
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3-5. LID ASSY, CASSETTE

1 Screw
(P1.4 × 2)
5 Lid assy, cassette

2 Two screws
(M1.4 × 2)

3 Open the cassette lid.

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QQ 376315150 892498299
3-6. ORNAMENT, REEL

1 Ornament, reel Claw

Note : Remove the assembly while removing
the 5 claws and the boss carefully.

Claw

Boss
Claw
Claw
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Claw
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3-7. HOLDER (FS) ASSY

2 Shaft

7 Bracket (cassette) assy

5 Lock Lever (S)

3 Lock Lever (B)

4 Screw
( M1.4)
1 Two screws
(M1.4 × 1.4)
6 Shaft

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9 Remove the holder (FS) assy

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in the direction of the arrow.

. 8 Remove soldering from

six head flexible boards.

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3-8. LEVER (NA)/(RA) ASSY, PINCH

Claw 1 Remove the pinch lever (RA)

assembly in the direction of the arrow.
Note : Be careful of the claw.

2 Remove the pinch lever (NA)

assembly in the direction of the arrow.
Note : Be careful of the claw.
Claw
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3-9. HEAD, MAGNETIC (HP901)

Claw
1 Remove the head, magnetic (HP901)
in the direction of the arrow.
Note : Be careful of the claw.

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SECTION 4 SECTION 5

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MECHANICAL ADJUSTMENT ELECTRICAL ADJUSTMENT
PRECAUTION PRECAUTION
1. Clean the following parts with a denatured-alcohol-moistened 1. Specified voltage: 1.3 V (DC)
swab: 2. Switch position (MENU)
playback head pinch roller aNR : OFF
rubber belts capstan AVLS : OFF
2. Demagnetize the playback head with a head demagnetizer. BL SKIP : OFF
3. Do not use a magnetized screwdriver for the adjustments. MB/RV GRV : OFF
4. The adjustments should be performed with the rated power
supply voltage unless otherwise noted. Test Tape

• Torque Measurement Tape Signal Used for

WS-48A 3 kHz, 0 dB Tape Speed Adjustment
Mode Torque Meter Meter Reading
15 to 25 g•cm
FWD CQ-102D Tape Speed Adjustment
(0.22 to 0.34 oz•inch)
Procedure:
FWD 0.3 to 2.0g•cm
CQ-102D Test tape
Back Tension (0.007 to 0.020 oz•inch)
WS-48A
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15 to 25 g•cm
REW CQ-102C (3kHz, 0dB) Frequency counter
(0.22 to 0.34 oz•inch)
16 Ω
REW 0.3 to 2.0 g•cm
CQ-102C
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Back Tension (0.007 to 0.020 oz•inch) +
More than 35 g•cm Set
FF, REW CQ-201B –
(More than 0.69 oz•inch)

2 REMOTE jack (J301)

1. Enter the FWD playback mode.

2. Adjust RV601 so that the value of the frequency counter reading
becomes 3,000 Hz.
Specification value:
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Frequency counter

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3.
2,970 Hz – 3,030 Hz
Check that the frequency deviation at the beginning and ending
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of a tape is within 1.5 % (45 Hz).

Adjustment Point:

[MAIN BOARD] — SIDE B —

RV601 ‘

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WM-EX610
SECTION 6

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DIAGRAMS
6-1. BLOCK DIAGRAM

AUDIO MASTER AMP

IC301
B+ SWITCH
Q305
DDC B+
RIPPLE FILTER
Q301 8 9 2 4 9 8 2 9 9
BATT B+
• SIGNAL PATH
: PLAYBACK

R-CH: Same as L-CH

6-2. IC BLOCK DIAGRAMS

IC301 TA2123AF (EL)

17 18 19

BST OUT

PW NF B
PW NF A

PW IN B
PW IN C

PW IN A
BST NF
AGC IN
RF OUT BASE VCC

EQ A

EQ B
DET

LPF
DOLBY NR AMP
HP901 IC302 J301 36 35 34 33 32 31 30 29 28 27 26 25
RV301
(PLAYBACK) 14
FWD VOL 2
PRE VCC PW
IN-L POWER AMP BST
L-CH 1 OUT-L IN-L AGC –
PREAMP 7 4 IN-L OUT-L 5 28 PW OUT-L DET +
FWD 5 + 20
REV
IN-L POWER AMP
R-CH R-CH EQ 24 RF IN
R-CH PW OUT-R
MTL + 22 – 23 PW GND
R-CH METAL DRV-L IC302 THROUGH PW + 22 OUT B
8 PW B
CONTROL Q307 IN-C PW OUT-C
32 21
R-CH BASS BOOST C-AMP SW 37 21 OUT C
POWER AMP
M/N SW BST AMP MT TC 38 PW A
L-CH PW C +
F/R SW

AVLS CONTROL OUT PW BEEP 20 OUT A

33 V/I BATT B+ VCC –
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SWITCH NF-L BEEP 39 BEEP
REV 29
Q304 DATA 19 VCC
44 46 AMS EQ-L AMS OUT 40
R-CH R-CH AGC R-CH REMO
IN 30
+ 12 AMS DET
RIPPLE
GND 18 BASE
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AMS OUT
R-CH FILTER

BST SW

PW SW
MT SW
S901-2

AGC IN
R-CH

BEEP
(ATS) CUE REVIEW MT SW 41 17 RF OUT
VOLUM SWITCH PW SW 42 16 GND
Q306 40 43 35 39 41 42 SWITCH
S707 BST SW 43 COMPARATOR 15 AMS DET
HOLD F/R SW 44
PRE SW 14 AMS MIX
MEGA BASS/GROOVE 45
S701 S702 – 705 OFF HOLD PRE A PRE B
SWITCHING M/N SW 46 AMS SW
FWD (DIRECTION) MIX 13

+
–
+
–
Q303 R-CH
PRE GND 47

+
–
S901-1 REVIVE/GROOVE
STOP (TAPE DETECT) VREF IN 48
SWITCHING
Q302 VREF
REV
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MTL DRV

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SYSTEM CONTROLLER

TEL 1 3 9 4 2 2 9 6 5 1 3 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9
IC701
4 3 2 9 5 20 47 38 8 39 10 7 36 12 11 6 16
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CTL DOLBY

CUE-REVIEW
CTL F/R

BOOST CTL
MEGA BASS CTL

REVIVE
CTL

BEEP

MUTE CTL
AMP CTL
AVLS
CTL

AMS IN

DATA/RMUM
REV SW
CENTER SW
FWD SW

CASSETTE SW

KEY IN
1 2 3 4 5 6 7 8 9 10 11 12
MOTOR RESTART

IN B-R

PRE NF-A
IN A-R

PRE OUT A
VREF OUT

PRE OUT B
IN B-F

MTL DRV B

PRE NF-B

AMS IN
MTL DRV A
IN A-F
MOTOR CTL
MOTOR DIR

STOP 1 SET

STOP 2 SET
SPEED CTL

BATT DET

RESET
VDD
XT0

XT1

28 29 48 46 44 45 23 15 13 14 35

BATT DDC
X701 B+ B+
32.768kHz
IC302 NJM2185AV-TE2 IC601 MM1279XVBE
RV601
TAPE SPEED

Q603 20 PV
SPEED
19 U

OUTA
VEXT

DETA
DCA
CONTROL

SW

INA
V+
SWITCH V 1
COMPARATOR THP601
IN+ 14 13 12 11 10 9 8
OUT + 10 RESET SIGNAL
11 VSP GENERATOR
– 9 PW 2
IC703
G2 G1 V/I MOTIVE PRE DRIVER
W 3
SPEED + CONTROL
7 BIAS GND 4
CONTROL – CIRCUIT
VREF CIRCUIT SUM 18 PU
M901 WEIGHT
(CAPSTAN/REEL) 17 GND
U
19 MOTOR SWITCH & BIAS 16 VCC
V OSC START –
DDC B+ 1 DRIVE LOGIC CIRCUIT REFERENCE 8 15 FC
W MOTIVE/ MOTIVE
3 CIRCUIT CIRCUIT VOLTAGE REGULATOR
+ OSC 5 SOFT SWITCH
VDD B+ GM OSC LOGIC
D703 ROTATION DETECT IC704
BATT SENSOR U DR 6 14 TC1
PH701 A-CH BLOCK
DIRECTION CONTROL CAPSTAN/REEL DC/DC 13 TC2
LED BATT 19 W V BIAS
OSC

MOTOR DRIVE DDC B+ CONVERTER VREF 7 SPEED

DR

DDC B+ DRY BATTERY CURRENT

REFERENCE
IC601 IC702 SIZE “AA” START 8 CONTROL CONTROL
B-CH BLOCK: SAME AS A-CH. VOLTAGE
6 5 (IEC DESIGNATION R6)

m
1P. 1.5V

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PHOTO REFLECTOR INVERTER OUTPUT 12 R1
BATT B+ 1 2 3 4 5 6 7
IN PHOTO 37 SWITCH & BUFFER BIAS 11 OUT

x ia o y u 1 6 3 c o
Q702 VSP –

IREF

DETB
9

GND

OUTB
INB

DCB
VREF
+ +
IN+ 10
PHOTO CTL 18 Q604
BATTERY PACK

. .
MOTOR
(NI-CD)
CONTROL SWITCH
(NC-6WM 1.2V)
PLUNGER
PM901
PM CTL 17 DRIVE
(PLUNGER)
Q701
16

— 13 — — 14 — — 15 —
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 http://www.xiaoyu163.com
WM-EX610
SECTION 6

QQ 376315150 892498299
DIAGRAMS
6-1. BLOCK DIAGRAM • SIGNAL PATH 6-2. IC BLOCK DIAGRAMS
B+ SWITCH RIPPLE FILTER
Q305
DDC B+
Q301
BATT B+ : PLAYBACK
IC301 TA2123AF (EL)
AUDIO MASTER AMP
IC301 R-CH: Same as L-CH
17 18 19

BST OUT

PW NF B
PW NF A

PW IN B
PW IN C

PW IN A
BST NF
AGC IN
RF OUT BASE VCC

EQ A

EQ B
DET

LPF
DOLBY NR AMP
HP901 IC302 J301 36 35 34 33 32 31 30 29 28 27 26 25
RV301
(PLAYBACK) 14
FWD VOL 2
PRE VCC PW
IN-L POWER AMP BST
L-CH 1 OUT-L IN-L AGC –
PREAMP 7 4 IN-L OUT-L 5 28 PW OUT-L DET +
FWD 5 + 20
REV
IN-L POWER AMP
R-CH R-CH EQ 24 RF IN
R-CH PW OUT-R
MTL + 22 – 23 PW GND
R-CH METAL DRV-L IC302 THROUGH PW + 22 OUT B
8 PW B
CONTROL Q307 IN-C PW OUT-C
32 21
R-CH BASS BOOST C-AMP SW 37 21 OUT C
POWER AMP
M/N SW BST AMP MT TC 38 PW A
L-CH PW C +
F/R SW

AVLS CONTROL OUT PW BEEP 20 OUT A

33 V/I BATT B+ VCC –

TEL

TEL
SWITCH NF-L BEEP 39 BEEP
REV 29
Q304 DATA 19 VCC
44 46 AMS EQ-L AMS OUT 40
R-CH R-CH AGC R-CH REMO
IN 30
+ 12 AMS DET
RIPPLE
GND 18 BASE

13942296513

13942296513
AMS OUT
R-CH FILTER

BST SW

PW SW
MT SW
S901-2

AGC IN
R-CH

BEEP
(ATS) CUE REVIEW MT SW 41 17 RF OUT
VOLUM SWITCH PW SW 42 16 GND
Q306 40 43 35 39 41 42 SWITCH
S707 BST SW 43 COMPARATOR 15 AMS DET
HOLD F/R SW 44
PRE SW 14 AMS MIX
MEGA BASS/GROOVE 45
S701 S702 – 705 OFF HOLD PRE A PRE B
SWITCHING M/N SW 46 AMS SW
FWD (DIRECTION) MIX 13

+
–
+
–
Q303 R-CH
PRE GND 47

+
–
S901-1 REVIVE/GROOVE
STOP (TAPE DETECT) VREF IN 48
SWITCHING
Q302 VREF
REV

QQ

QQ
MTL DRV

QQ 376315150 892498299
SYSTEM CONTROLLER

TEL 13942296513
IC701
4 3 2 9 5 20 47 38 8 39 10 7 36 12 11 6 16

376315150 892498299

376315150 892498299
CTL DOLBY

CUE-REVIEW
CTL F/R

BOOST CTL
MEGA BASS CTL

REVIVE
CTL
AVLS
CTL

BEEP

MUTE CTL
AMP CTL
AMS IN

DATA/RMUM
REV SW
CENTER SW
FWD SW

CASSETTE SW

KEY IN
1 2 3 4 5 6 7 8 9 10 11 12
MOTOR RESTART

IN B-R

PRE NF-A
IN A-R

PRE OUT A
VREF OUT

PRE OUT B
IN B-F

MTL DRV B

PRE NF-B

AMS IN
MTL DRV A
IN A-F
MOTOR CTL
MOTOR DIR

STOP 1 SET

STOP 2 SET
SPEED CTL

BATT DET

RESET
VDD
XT0

XT1

28 29 48 46 44 45 23 15 13 14 35

BATT DDC
X701 B+ B+
32.768kHz
IC302 NJM2185AV-TE2 IC601 MM1279XVBE
RV601
TAPE SPEED

Q603 20 PV
SPEED
19 U

OUTA
VEXT

DETA
DCA
CONTROL

SW

INA
V+
SWITCH V 1
COMPARATOR THP601
IN+ 14 13 12 11 10 9 8
OUT + 10 RESET SIGNAL
11 VSP GENERATOR
– 9 PW 2
IC703
G2 G1 V/I MOTIVE PRE DRIVER
W 3
SPEED + CONTROL
7 BIAS GND 4
CONTROL – CIRCUIT
VREF CIRCUIT SUM 18 PU
M901 WEIGHT
(CAPSTAN/REEL) 17 GND
U
19 MOTOR SWITCH & BIAS 16 VCC
V OSC START –
DDC B+ 1 DRIVE LOGIC CIRCUIT REFERENCE 8 15 FC
W MOTIVE/ MOTIVE
3 CIRCUIT CIRCUIT VOLTAGE REGULATOR
+ OSC 5 SOFT SWITCH
VDD B+ GM OSC LOGIC
D703 ROTATION DETECT IC704
BATT SENSOR U DR 6 14 TC1
PH701 A-CH BLOCK
DIRECTION CONTROL CAPSTAN/REEL DC/DC 13 TC2
LED BATT 19 W V BIAS
OSC

MOTOR DRIVE DDC B+ CONVERTER VREF 7 SPEED

DR

DDC B+ DRY BATTERY CURRENT

REFERENCE
IC601 IC702 SIZE “AA” START 8 CONTROL CONTROL
B-CH BLOCK: SAME AS A-CH. VOLTAGE
6 5 (IEC DESIGNATION R6)

xiaoyu163. com
1P. 1.5V

www
PHOTO REFLECTOR INVERTER OUTPUT 12 R1
BATT B+ 1 2 3 4 5 6 7
IN PHOTO 37 SWITCH & BUFFER BIAS 11 OUT
Q702 VSP –

IREF

DETB
9

GND

OUTB
INB

DCB
VREF
+ +
IN+ 10
PHOTO CTL 18 Q604
BATTERY PACK

.
MOTOR
(NI-CD)
CONTROL SWITCH
(NC-6WM 1.2V)
PLUNGER
PM901
PM CTL 17 DRIVE
(PLUNGER)
Q701
16

— 13 — — 14 — — 15 —
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 ○

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http://www.xiaoyu163.com

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WM-EX610

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Q Q
6-3. PRINTED WIRING BOARD

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3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

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VCC

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DATA

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REMO

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GND

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EXCEPT

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RCH

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FR

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LCH

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COM
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FR

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TEL

TEL
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13942296513

13942296513
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Q Q

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T E L

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1 3 9 4 2 2 9 6 5 1 3 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9

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V

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376315150 892498299

376315150 892498299
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• Semiconductor Location Note on Printed Wiring Board:

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• X : parts extracted from the component side.

○
Ref. No. Location Ref. No. Location Ref. No. Location Ref. No. Location
○

○
• Y : parts extracted from the conductor side.

m
○

w w w

○
D701 B-10 IC301 D-7 Q301 D-7 Q603 C-2 • r : Through hole.
○

○
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D702 E-3 IC302 C-6 Q302 C-9 Q604 D-2 • b : Pattern of the rear side.

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x a o y u 1 6 3 c o
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D703 C-10 IC601 C-14 Q303 C-9 Q701 B-4

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Caution:

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D709 B-9 IC701 C-5 Q304 B7 Q702 C-2
○

○
. i .
D710 A-7 IC702 E-3 Q305 D-11 Pattern face side: Parts on the pattern face side seen from
○

○
D711 A-7 IC703 C-5 Q306 B-10 (SIDE B) the pattern face are indicated.
○

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Parts face side: Parts on the parts face side seen from
○

IC704 E-12 Q307 C-10

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(SIDE A) the parts face are indicated.

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— 16 — — 17 — — 18 —
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 http://www.xiaoyu163.com
WM-EX610

Q Q
6-4. SCHEMATIC DIAGRAM
3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• % : indicates tolerance.
• C : panel designation.
• Y : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 1.5V and fed with regulated dc power
supply from battery terminal.
no mark : PB
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
TEL

TEL
tion tolerances.
• Signal path.
E : PB
• Abbreviation
13942296513

13942296513
FR : French model
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T E L 1 3 9 4 2 2 9 6 5 1 3 Q Q 3 7 6 3 1 5 1 5 0 8 9 2 4 9 8 2 9 9
376315150 892498299

376315150 892498299
w w w . x i a o y u 1 6 3
EXCEPT
FR

. c o m
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 http://www.xiaoyu163.com
SECTION 7

QQ 376315150 892498299
EXPLODED VIEWS
6-5. IC PIN FUNCTION NOTE:
• -XX, -X mean standardized parts, so they may • Color Indication of Appearance Parts Example: When indicating parts by reference number,
• MAIN BOARD IC701 ML63512-127TBZ060 (SYSTEM CONTROL) have some differences from the original one. KNOB, BALANCE (WHITE) . . . (RED) please include the board name.
• Items marked “*” are not stocked since they ↑ ↑
Pin No. Pin Name I/O Description Pin No. Pin Name I/O Description are seldom required for routine service. Some Parts of Color Cabinet’s Color • Abbreviation
delay should be anticipated when ordering these • The mechanical parts with no reference number FR : French model
1 N.C. – Not used 39 AMS IN I AMS detection signal input from TA2123F (IC301) “H”: No music
items. in the exploded views are not supplied. EE : East European model
2 FWD SW I Detection switch (S701) input terminal “L”: FWD 40 LED AVLS O Drive signal output for AVLS display Not used in this machine (empty terminal) CH : Chinese model
3 CENTER SW I Detection switch (S701) input terminal “L”: CENTER 41 LED BLSKIP O Drive signal output for BL SKIP display Not used in this machine (empty terminal) KR : Korean model
JE : Tourist model
4 REV SW I Detection switch (S701) input terminal “L”: REV 42 LED MB O Drive signal output for MG GRV display Not used in this machine (empty terminal) 7-1. CABINET BLOCK, MAIN BOARD
Cassette detection switch (S901-1) input terminal 43 LED REVIVE O Drive signal output for RV GRV display Not used in this machine (empty terminal)
5 CASSETTE SW I
“L”: with cassette “H”: without cassette Motor speed control signal output to capstan/reel motor drive IC (IC601) 13 19
44 SPEED CTL O
Serial data output of communication with the remote commander having phone, and the remote control sensing “L”: normal “H”: half speed 25
6 DATA/RMUM I/O
signal input from remote commander having phone Motor start control signal output to capstan/reel motor drive IC (IC601)
45 MOTOR CTL O
Tone selection signal output to TA2123F (IC301) “H”: motor ON 12
7 REVIVE CTL O
“L”: REVIVE “H”: OFF/MEGA BASS/GROOVE Motor direction control signal output to capstan/reel motor drive IC (IC601)
46 MOTOR DIR O 11
TEL

TEL
MEGA BASS Tone selection signal output to TA2123F (IC301) “L”: clockwise “H”: counter-clockwise 11
8 O 15 11
CTL “L”: MEGA BASS “H”: OFF/REVIVE/GROOVE Audio attenuation ON/OFF control signal output to TA2123F (IC301)
47 CVE REVIEW O
9 F/R CTL O FWD/REV selection signal output to TA2123F (IC301) “L”: FWD “H”: REV “L” : OFF “H” : ON (CUE/REVIEW)
13942296513

13942296513
10 BOOST CTL O Bass boost control signal output to TA2123F (IC301) “L”: OFF “H”: ON MOTOR Signal output for motor start-up status control to capstan/reel motor drive IC (IC601)
48 O
Power supply ON/OFF control signal output to TA2123F (IC301) RESTART “H”: during FF/REW motor rotating
11 AMP CTL O “L”: power supply OFF “H”: power supply ON 10 S901 20
21
(The power supply ON/OFF control of Dolby NR amplifier (IC302) is performed.)
MT-WMEX610-162
Power mute control signal output to TA2123F (IC301) 24
12 MUTE CTL O
“L”: mute ON “H”: mute OFF 9 14
13 SET STOP1 I Battery voltage detection input terminal when the machine is stopped. (A/D input)
8 16
7
QQ

QQ
14 SET STOP2 I Reference voltage input terminal when the machine is stopped. (A/D input)
22 17

TEL 13942296513 QQ 376315150 892498299

15 BATT DET I Battery voltage detection input terminal (A/D input)
6 18
16 KEY IN I Key input terminal (A/D input) 5
376315150 892498299

376315150 892498299
4 1 7
17 PM CTL O Plunger drive signal output “L”: plunger ON
Control signal output to the rotation detection circuit of the capstan/reel motor 1 3
18 PHOTO CTL O
“L”: rotation detection circuit ON
19 LED BATT O LED (D703) drive signal output to BATT display “L”: LED ON
Dolby ON/OFF control signal output to Dolby NR amplifier (IC302)
20 DOLBY CTL O
“L”: Dolby NR, ON, H: Dolby NR OFF
21 VDD1 – Power supply terminal for external interface (+2.5 V)
26
22 VSS – Ground terminal
1
23 VDD – Power supply terminal (+1.5 V)
2
24 VDDH – Step-up power supply terminal for back-up
25 CB1 – Terminal to which condenser for step-up power supply is connected
26 CB2 – Terminal to which condenser for step-up power supply is connected Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
27 VDDL – Power supply terminal for internal logic 1 3-704-197-21 SCREW (M1.4X2.5), LOCKING 13 3-221-643-51 COVER, MD (CH,HK,KR)
28 XT0 – Terminal to which main system clock is connected (32.768 kHz) 2 3-029-230-01 KNOB (HOLD) 14 X-3377-719-1 BRACKET (CASSETTE) ASSY
3 3-220-762-01 PLATE (TERMINAL), ORNAMENTAL 15 X-3377-717-2 BRACKET ASSY
29 XT1 – Terminal to which main system clock is connected (32.768 kHz) 4 3-220-769-01 LID, BATTERY (SILVER) 16 3-365-630-41 SCREW (M1.4)
30 TAT1B I Test input terminal Normally, fixed to “H”. 4 3-220-769-11 LID, BATTERY (BLUE) 17 3-029-219-02 KNOB(OPEN)
31 TAT2B I Test input terminal Normally, fixed to “H”.
5 3-345-648-71 SCREW (M1.4), TOOTHED LOCK 18 3-029-220-11 SPRING, TENSION
32 OSCM – Terminal to which external capacitor for oscillation is connected Not used in this machine (empty terminal) 6 3-029-213-01 TERMINAL BOARD, BATTERY 19 3-704-246-11 SCREW (P1.4X2.0)
Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine 7 3-375-114-41 SCREW 20 3-704-197-11 SCREW (M1.4X2.0), LOCKING
33 OSC0 I * 8 A-3021-345-A MAIN BOARD, COMPLETE (EXCEPT FR) 21 3-031-460-01 SHEET (BT)
(empty terminal)
* 8 A-3021-346-A MAIN BOARD, COMPLETE (FR) 22 3-223-827-01 ORNAMENT, REEL

xiaoyu163. com
Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine

www
34 OSC1 O 9 3-038-056-01 TERMINAL BOARD (MINUS) 24 3-309-595-11 SHEET, INSULATING, PACK
(empty terminal)
10 X-3377-726-2 TERMINAL BOARD ASSY 25 X-3379-499-1 LID ASSY, CASSETTE (SILVER)
System reset signal input from the reset signal generator (IC703) “L”: reset 11 3-939-590-05 SCREW (IB LOCK) 25 X-3379-500-1 LID ASSY, CASSETTE (BLUE)
35 RESET I
“L” is input for several hundreds msec after power supply starts up, then “H” is input. 12 3-038-054-01 LEVER (B), LOCK 26 X-3379-893-1 CASE SUB ASSY (SILVER)
36
37
BEEP
IN PHOTO
.
O
I
Beep sound output to TA2123F (IC301)
Rotation detection input of capstan/reel motor (M901)
13

13
3-221-643-31 COVER, MD (JE)

3-221-643-41 COVER, MD (AEP,UK,FR,EE)

26

S901
X-3379-894-1 CASE SUB ASSY (BLUE)

1-762-553-11 SWITCH, LEAF

38 AVLS CTL O AVLS ON/OFF control signal output “L”: AVLS OFF, “H”: AVLS ON

— 22 — — 23 — — 24 —
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 http://www.xiaoyu163.com
SECTION 7

QQ 376315150 892498299
EXPLODED VIEWS
6-5. IC PIN FUNCTION NOTE:
• -XX, -X mean standardized parts, so they may • Color Indication of Appearance Parts Example: When indicating parts by reference number,
• MAIN BOARD IC701 ML63512-127TBZ060 (SYSTEM CONTROL) have some differences from the original one. KNOB, BALANCE (WHITE) . . . (RED) please include the board name.
• Items marked “*” are not stocked since they ↑ ↑
Pin No. Pin Name I/O Description Pin No. Pin Name I/O Description are seldom required for routine service. Some Parts of Color Cabinet’s Color • Abbreviation
delay should be anticipated when ordering these • The mechanical parts with no reference number FR : French model
1 N.C. – Not used 39 AMS IN I AMS detection signal input from TA2123F (IC301) “H”: No music
items. in the exploded views are not supplied. EE : East European model
2 FWD SW I Detection switch (S701) input terminal “L”: FWD 40 LED AVLS O Drive signal output for AVLS display Not used in this machine (empty terminal) CH : Chinese model
3 CENTER SW I Detection switch (S701) input terminal “L”: CENTER 41 LED BLSKIP O Drive signal output for BL SKIP display Not used in this machine (empty terminal) KR : Korean model
JE : Tourist model
4 REV SW I Detection switch (S701) input terminal “L”: REV 42 LED MB O Drive signal output for MG GRV display Not used in this machine (empty terminal) 7-1. CABINET BLOCK, MAIN BOARD
Cassette detection switch (S901-1) input terminal 43 LED REVIVE O Drive signal output for RV GRV display Not used in this machine (empty terminal)
5 CASSETTE SW I
“L”: with cassette “H”: without cassette Motor speed control signal output to capstan/reel motor drive IC (IC601) 13 19
44 SPEED CTL O
Serial data output of communication with the remote commander having phone, and the remote control sensing “L”: normal “H”: half speed 25
6 DATA/RMUM I/O
signal input from remote commander having phone Motor start control signal output to capstan/reel motor drive IC (IC601)
45 MOTOR CTL O
Tone selection signal output to TA2123F (IC301) “H”: motor ON 12
7 REVIVE CTL O
“L”: REVIVE “H”: OFF/MEGA BASS/GROOVE Motor direction control signal output to capstan/reel motor drive IC (IC601)
46 MOTOR DIR O 11

TEL

TEL
MEGA BASS Tone selection signal output to TA2123F (IC301) “L”: clockwise “H”: counter-clockwise 11
8 O 15 11
CTL “L”: MEGA BASS “H”: OFF/REVIVE/GROOVE Audio attenuation ON/OFF control signal output to TA2123F (IC301)
47 CVE REVIEW O
9 F/R CTL O FWD/REV selection signal output to TA2123F (IC301) “L”: FWD “H”: REV “L” : OFF “H” : ON (CUE/REVIEW)

13942296513

13942296513
10 BOOST CTL O Bass boost control signal output to TA2123F (IC301) “L”: OFF “H”: ON MOTOR Signal output for motor start-up status control to capstan/reel motor drive IC (IC601)
48 O
Power supply ON/OFF control signal output to TA2123F (IC301) RESTART “H”: during FF/REW motor rotating
11 AMP CTL O “L”: power supply OFF “H”: power supply ON 10 S901 20
21
(The power supply ON/OFF control of Dolby NR amplifier (IC302) is performed.)
MT-WMEX610-162
Power mute control signal output to TA2123F (IC301) 24
12 MUTE CTL O
“L”: mute ON “H”: mute OFF 9 14
13 SET STOP1 I Battery voltage detection input terminal when the machine is stopped. (A/D input)
8 16
7

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14 SET STOP2 I Reference voltage input terminal when the machine is stopped. (A/D input)
22 17

TEL 13942296513 QQ 376315150 892498299

15 BATT DET I Battery voltage detection input terminal (A/D input)
6 18
16 KEY IN I Key input terminal (A/D input) 5

376315150 892498299

376315150 892498299
4 1 7
17 PM CTL O Plunger drive signal output “L”: plunger ON
Control signal output to the rotation detection circuit of the capstan/reel motor 1 3
18 PHOTO CTL O
“L”: rotation detection circuit ON
19 LED BATT O LED (D703) drive signal output to BATT display “L”: LED ON
Dolby ON/OFF control signal output to Dolby NR amplifier (IC302)
20 DOLBY CTL O
“L”: Dolby NR, ON, H: Dolby NR OFF
21 VDD1 – Power supply terminal for external interface (+2.5 V)
26
22 VSS – Ground terminal
1
23 VDD – Power supply terminal (+1.5 V)
2
24 VDDH – Step-up power supply terminal for back-up
25 CB1 – Terminal to which condenser for step-up power supply is connected
26 CB2 – Terminal to which condenser for step-up power supply is connected Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
27 VDDL – Power supply terminal for internal logic 1 3-704-197-21 SCREW (M1.4X2.5), LOCKING 13 3-221-643-51 COVER, MD (CH,HK,KR)
28 XT0 – Terminal to which main system clock is connected (32.768 kHz) 2 3-029-230-01 KNOB (HOLD) 14 X-3377-719-1 BRACKET (CASSETTE) ASSY
3 3-220-762-01 PLATE (TERMINAL), ORNAMENTAL 15 X-3377-717-2 BRACKET ASSY
29 XT1 – Terminal to which main system clock is connected (32.768 kHz) 4 3-220-769-01 LID, BATTERY (SILVER) 16 3-365-630-41 SCREW (M1.4)
30 TAT1B I Test input terminal Normally, fixed to “H”. 4 3-220-769-11 LID, BATTERY (BLUE) 17 3-029-219-02 KNOB(OPEN)
31 TAT2B I Test input terminal Normally, fixed to “H”.
5 3-345-648-71 SCREW (M1.4), TOOTHED LOCK 18 3-029-220-11 SPRING, TENSION
32 OSCM – Terminal to which external capacitor for oscillation is connected Not used in this machine (empty terminal) 6 3-029-213-01 TERMINAL BOARD, BATTERY 19 3-704-246-11 SCREW (P1.4X2.0)
Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine 7 3-375-114-41 SCREW 20 3-704-197-11 SCREW (M1.4X2.0), LOCKING
33 OSC0 I * 8 A-3021-345-A MAIN BOARD, COMPLETE (EXCEPT FR) 21 3-031-460-01 SHEET (BT)
(empty terminal)
* 8 A-3021-346-A MAIN BOARD, COMPLETE (FR) 22 3-223-827-01 ORNAMENT, REEL

xiaoyu163. com
Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine

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34 OSC1 O 9 3-038-056-01 TERMINAL BOARD (MINUS) 24 3-309-595-11 SHEET, INSULATING, PACK
(empty terminal)
10 X-3377-726-2 TERMINAL BOARD ASSY 25 X-3379-499-1 LID ASSY, CASSETTE (SILVER)
System reset signal input from the reset signal generator (IC703) “L”: reset 11 3-939-590-05 SCREW (IB LOCK) 25 X-3379-500-1 LID ASSY, CASSETTE (BLUE)
35 RESET I
“L” is input for several hundreds msec after power supply starts up, then “H” is input. 12 3-038-054-01 LEVER (B), LOCK 26 X-3379-893-1 CASE SUB ASSY (SILVER)
36
37
BEEP
IN PHOTO
O
I
Beep sound output to TA2123F (IC301)
Rotation detection input of capstan/reel motor (M901)
. 13

13
3-221-643-31 COVER, MD (JE)

3-221-643-41 COVER, MD (AEP,UK,FR,EE)

26

S901
X-3379-894-1 CASE SUB ASSY (BLUE)

1-762-553-11 SWITCH, LEAF

38 AVLS CTL O AVLS ON/OFF control signal output “L”: AVLS OFF, “H”: AVLS ON

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 http://www.xiaoyu163.com
SECTION 7

QQ 376315150 892498299
EXPLODED VIEWS
6-5. IC PIN FUNCTION NOTE:
• -XX, -X mean standardized parts, so they may • Color Indication of Appearance Parts Example: When indicating parts by reference number,
• MAIN BOARD IC701 ML63512-127TBZ060 (SYSTEM CONTROL) have some differences from the original one. KNOB, BALANCE (WHITE) . . . (RED) please include the board name.
• Items marked “*” are not stocked since they ↑ ↑
Pin No. Pin Name I/O Description Pin No. Pin Name I/O Description are seldom required for routine service. Some Parts of Color Cabinet’s Color • Abbreviation
delay should be anticipated when ordering these • The mechanical parts with no reference number FR : French model
1 N.C. – Not used 39 AMS IN I AMS detection signal input from TA2123F (IC301) “H”: No music
items. in the exploded views are not supplied. EE : East European model
2 FWD SW I Detection switch (S701) input terminal “L”: FWD 40 LED AVLS O Drive signal output for AVLS display Not used in this machine (empty terminal) CH : Chinese model
3 CENTER SW I Detection switch (S701) input terminal “L”: CENTER 41 LED BLSKIP O Drive signal output for BL SKIP display Not used in this machine (empty terminal) KR : Korean model
JE : Tourist model
4 REV SW I Detection switch (S701) input terminal “L”: REV 42 LED MB O Drive signal output for MG GRV display Not used in this machine (empty terminal) 7-1. CABINET BLOCK, MAIN BOARD
Cassette detection switch (S901-1) input terminal 43 LED REVIVE O Drive signal output for RV GRV display Not used in this machine (empty terminal)
5 CASSETTE SW I
“L”: with cassette “H”: without cassette Motor speed control signal output to capstan/reel motor drive IC (IC601) 13 19
44 SPEED CTL O
Serial data output of communication with the remote commander having phone, and the remote control sensing “L”: normal “H”: half speed 25
6 DATA/RMUM I/O
signal input from remote commander having phone Motor start control signal output to capstan/reel motor drive IC (IC601)
45 MOTOR CTL O
Tone selection signal output to TA2123F (IC301) “H”: motor ON 12
7 REVIVE CTL O
“L”: REVIVE “H”: OFF/MEGA BASS/GROOVE Motor direction control signal output to capstan/reel motor drive IC (IC601)
46 MOTOR DIR O 11

TEL

TEL
MEGA BASS Tone selection signal output to TA2123F (IC301) “L”: clockwise “H”: counter-clockwise 11
8 O 15 11
CTL “L”: MEGA BASS “H”: OFF/REVIVE/GROOVE Audio attenuation ON/OFF control signal output to TA2123F (IC301)
47 CVE REVIEW O
9 F/R CTL O FWD/REV selection signal output to TA2123F (IC301) “L”: FWD “H”: REV “L” : OFF “H” : ON (CUE/REVIEW)

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10 BOOST CTL O Bass boost control signal output to TA2123F (IC301) “L”: OFF “H”: ON MOTOR Signal output for motor start-up status control to capstan/reel motor drive IC (IC601)
48 O
Power supply ON/OFF control signal output to TA2123F (IC301) RESTART “H”: during FF/REW motor rotating
11 AMP CTL O “L”: power supply OFF “H”: power supply ON 10 S901 20
21
(The power supply ON/OFF control of Dolby NR amplifier (IC302) is performed.)
MT-WMEX610-162
Power mute control signal output to TA2123F (IC301) 24
12 MUTE CTL O
“L”: mute ON “H”: mute OFF 9 14
13 SET STOP1 I Battery voltage detection input terminal when the machine is stopped. (A/D input)
8 16
7

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14 SET STOP2 I Reference voltage input terminal when the machine is stopped. (A/D input)
22 17

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15 BATT DET I Battery voltage detection input terminal (A/D input)
6 18
16 KEY IN I Key input terminal (A/D input) 5

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4 1 7
17 PM CTL O Plunger drive signal output “L”: plunger ON
Control signal output to the rotation detection circuit of the capstan/reel motor 1 3
18 PHOTO CTL O
“L”: rotation detection circuit ON
19 LED BATT O LED (D703) drive signal output to BATT display “L”: LED ON
Dolby ON/OFF control signal output to Dolby NR amplifier (IC302)
20 DOLBY CTL O
“L”: Dolby NR, ON, H: Dolby NR OFF
21 VDD1 – Power supply terminal for external interface (+2.5 V)
26
22 VSS – Ground terminal
1
23 VDD – Power supply terminal (+1.5 V)
2
24 VDDH – Step-up power supply terminal for back-up
25 CB1 – Terminal to which condenser for step-up power supply is connected
26 CB2 – Terminal to which condenser for step-up power supply is connected Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
27 VDDL – Power supply terminal for internal logic 1 3-704-197-21 SCREW (M1.4X2.5), LOCKING 13 3-221-643-51 COVER, MD (CH,HK,KR)
28 XT0 – Terminal to which main system clock is connected (32.768 kHz) 2 3-029-230-01 KNOB (HOLD) 14 X-3377-719-1 BRACKET (CASSETTE) ASSY
3 3-220-762-01 PLATE (TERMINAL), ORNAMENTAL 15 X-3377-717-2 BRACKET ASSY
29 XT1 – Terminal to which main system clock is connected (32.768 kHz) 4 3-220-769-01 LID, BATTERY (SILVER) 16 3-365-630-41 SCREW (M1.4)
30 TAT1B I Test input terminal Normally, fixed to “H”. 4 3-220-769-11 LID, BATTERY (BLUE) 17 3-029-219-02 KNOB(OPEN)
31 TAT2B I Test input terminal Normally, fixed to “H”.
5 3-345-648-71 SCREW (M1.4), TOOTHED LOCK 18 3-029-220-11 SPRING, TENSION
32 OSCM – Terminal to which external capacitor for oscillation is connected Not used in this machine (empty terminal) 6 3-029-213-01 TERMINAL BOARD, BATTERY 19 3-704-246-11 SCREW (P1.4X2.0)
Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine 7 3-375-114-41 SCREW 20 3-704-197-11 SCREW (M1.4X2.0), LOCKING
33 OSC0 I * 8 A-3021-345-A MAIN BOARD, COMPLETE (EXCEPT FR) 21 3-031-460-01 SHEET (BT)
(empty terminal)
* 8 A-3021-346-A MAIN BOARD, COMPLETE (FR) 22 3-223-827-01 ORNAMENT, REEL

xiaoy u163. com

Terminal to which resistance for high-speed CR oscillation (800 kHz) is connected Not used in this machine

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34 OSC1 O 9 3-038-056-01 TERMINAL BOARD (MINUS) 24 3-309-595-11 SHEET, INSULATING, PACK
(empty terminal)
10 X-3377-726-2 TERMINAL BOARD ASSY 25 X-3379-499-1 LID ASSY, CASSETTE (SILVER)
System reset signal input from the reset signal generator (IC703) “L”: reset 11 3-939-590-05 SCREW (IB LOCK) 25 X-3379-500-1 LID ASSY, CASSETTE (BLUE)
35 RESET I
“L” is input for several hundreds msec after power supply starts up, then “H” is input. 12 3-038-054-01 LEVER (B), LOCK 26 X-3379-893-1 CASE SUB ASSY (SILVER)
36
37
BEEP
IN PHOTO
O
I
Beep sound output to TA2123F (IC301)
Rotation detection input of capstan/reel motor (M901)
13

13
3-221-643-31
.
COVER, MD (JE)

3-221-643-41 COVER, MD (AEP,UK,FR,EE)

26

S901
X-3379-894-1 CASE SUB ASSY (BLUE)

1-762-553-11 SWITCH, LEAF

38 AVLS CTL O AVLS ON/OFF control signal output “L”: AVLS OFF, “H”: AVLS ON

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 http://www.xiaoyu163.com

QQ 376315150 892498299
7-2. MECHANISM DECK BLOCK
(MT-WMEX610-162)
64
67

63
60
M901

59

62 65 69
75 68
61
76 66
PM901 79
74
TEL

TEL
77 79
77
78 80
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73

70
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81
TEL 13942296513 58
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72
57
54 56 72
71 55 71
HP901
53

52
51

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
51 X-3378-354-2 HOLDER (FS) ASSY 68 3-029-274-01 RETAINER (F2), MOTOR
52 X-3377-363-1 LEVER (RA) ASSY, PINCH 69 3-007-433-01 SHEET (N), REFLECTION
53 3-046-789-01 SPRING (HDA) 70 X-3377-584-1 CHASSIS ASSY (F)
54 X-3377-362-1 LEVER (NA) ASSY, PINCH 71 3-010-274-02 TABLE, REEL
55 3-029-275-01 WASHER (STOPPER N) 72 3-010-954-01 SPRING (BT), COMPRESSION

56 3-029-278-01 WASHER 73 3-029-282-01 GEAR(Y)

57 3-029-276-01 WASHER (STOPPER R) 74 3-029-285-01 GEAR, CAM
58 3-029-289-01 WASHER 75 3-029-284-01 LEVER, TRIGGER
59 X-3376-813-1 CLUTCH ASSY (F) 76 3-029-281-01 GEAR, IDLER (B)
60 3-932-724-21 WASHER 77 3-010-273-02 GEAR(REEL)

xiaoy u163. com

61 3-040-897-01 SPRING (TGA), TORSION 78 3-029-273-01 GEAR(FR)

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62 3-386-694-01 WASHER 79 3-029-283-01 GEAR, IDLER (A)
63 3-029-306-11 FLYWHEEL (N), INSERT 80 3-029-286-01 GEAR(NR)
64 3-220-035-01 BELT(F4) 81 3-029-288-01 PULLEY, REVERSE
65 3-029-268-11 FLYWHEEL (R), INSERT HP901 1-500-576-11 HEAD, MAGNETIC (PLAYBACK)

66
67
.
3-007-428-01 WASHER (R)
3-029-765-01 SCREW (M1.4), TOOTHED LOCK
M901
PM901
1-763-166-11 MOTOR (CAPSTAN/REEL)(WITH PULLEY)
1-454-674-31 SOLENOID, PLUNGER

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 http://www.xiaoyu163.com

SECTION 8

QQ 376315150 892498299
MAIN ELECTRICAL PARTS LIST
NOTE:
• Due to standardization, replacements in the • CAPACITORS: When indicating parts by reference number,
parts list may be different from the parts uF: µF please include the board name.
specified in the diagrams or the components • RESISTORS
used on the set. All resistors are in ohms. The components identified by mark ! or
• -XX, -X mean standardized parts, so they METAL: metal-film resistor dotted line with mark ! are critical for safety.
may have some difference from the original METAL OXIDE: Metal Oxide-film resistor Replace only with part number specified.
one. F: nonflammable
• Items marked “*” are not stocked since they • COILS • Abbreviation
are seldom required for routine service. uH: µH FR : French model
Some delay should be anticipated when • SEMICONDUCTORS EE : East European model
ordering these items. In each case, u: µ, for example: CH : Chinese model
uA...: µA... , uPA... , µPA... , KR : Korean model
uPB... , µPB... , uPC... , µPC... , JE : Tourist model
uPD..., µPD...
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
* A-3021-345-A MAIN BOARD, COMPLETE (EXCEPT FR) C323 1-115-412-11 CERAMIC CHIP 680PF 5.00% 25V
******************************* C324 1-164-230-11 CERAMIC CHIP 220PF 5.00% 50V
TEL

TEL
C325 1-162-927-11 CERAMIC CHIP 100PF 5.00% 50V
* A-3021-346-A MAIN BOARD, COMPLETE (FR) (EXCEPT FR)
************************ C601 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V
C602 1-107-826-11 CERAMIC CHIP 0.1uF 10.00% 16V
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13942296513
3-032-323-01 PAPER (A), SHIELD
C603 1-115-467-11 CERAMIC CHIP 0.22uF 10.00% 10V
< CAPACITOR > C604 1-164-156-11 CERAMIC CHIP 0.1uF 25V
C605 1-107-826-11 CERAMIC CHIP 0.1uF 10.00% 16V
C101 1-107-520-11 TANTAL. CHIP 33uF 20.00% 2.5V C606 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C102 1-115-156-11 CERAMIC CHIP 1uF 10V C607 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C103 1-115-156-11 CERAMIC CHIP 1uF 10V
C104 1-115-156-11 CERAMIC CHIP 1uF 10V C608 1-162-970-11 CERAMIC CHIP 0.01uF 10% 25V
C105 1-117-863-11 CERAMIC CHIP 0.47uF 10.00% 6.3V C609 1-135-151-21 TANTALUM CHIP 4.7uF 20% 4V
C701 1-119-750-11 TANTAL. CHIP 22uF 20.00% 6.3V
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C106 1-115-467-11 CERAMIC CHIP 0.22uF 10.00% 10V C702 1-104-851-11 TANTAL. CHIP 10uF 20.00% 10V

TEL 13942296513 QQ 376315150 892498299

C107 1-164-505-11 CERAMIC CHIP 2.2uF 16V C703 1-162-915-11 CERAMIC CHIP 10PF 0.5PF 50V
C108 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V
376315150 892498299

376315150 892498299
C109 1-164-677-11 CERAMIC CHIP 0.033uF 10.00% 16V C704 1-107-826-11 CERAMIC CHIP 0.1uF 10.00% 16V
C201 1-107-520-11 TANTAL. CHIP 33uF 20.00% 2.5V C705 1-115-156-11 CERAMIC CHIP 1uF 10V
C706 1-115-156-11 CERAMIC CHIP 1uF 10V
C202 1-115-156-11 CERAMIC CHIP 1uF 10V C707 1-115-156-11 CERAMIC CHIP 1uF 10V
C203 1-115-156-11 CERAMIC CHIP 1uF 10V C708 1-115-156-11 CERAMIC CHIP 1uF 10V
C204 1-115-156-11 CERAMIC CHIP 1uF 10V
C205 1-117-863-11 CERAMIC CHIP 0.47uF 10.00% 6.3V C709 1-115-156-11 CERAMIC CHIP 1uF 10V
C206 1-115-467-11 CERAMIC CHIP 0.22uF 10.00% 10V C710 1-115-156-11 CERAMIC CHIP 1uF 10V
C711 1-115-156-11 CERAMIC CHIP 1uF 10V
C207 1-164-505-11 CERAMIC CHIP 2.2uF 16V C712 1-115-156-11 CERAMIC CHIP 1uF 10V
C208 1-164-227-11 CERAMIC CHIP 0.022uF 10% 25V CB301 1-127-575-21 CERAMIC CHIP 470PF 50V
C209 1-164-677-11 CERAMIC CHIP 0.033uF 10.00% 16V
C301 1-119-663-11 TANTAL. CHIP 47uF 20.00% 2.5V CB303 1-127-576-21 CERAMIC CHIP 22000PF 25V
C302 1-164-156-11 CERAMIC CHIP 0.1uF 25V
< DIODE >
C303 1-117-181-11 TANTAL. CHIP 4.7uF 20.00% 2.5V
C304 1-115-156-11 CERAMIC CHIP 1uF 10V D701 8-719-073-01 DIODE MA111-(K8).S0
C305 1-126-236-11 ELECT 330uF 20.00% 2V D702 8-719-049-09 DIODE 1SS367-T3SONY
C306 1-109-935-11 TANTAL. CHIP 4.7uF 20.00% 4V D703 8-719-067-79 LED CL-170HR-CD-T-AB (BATT)
C307 1-115-467-11 CERAMIC CHIP 0.22uF 10.00% 10V D709 8-719-068-83 DIODE MAZL068D0LS0-TX/L
D710 8-719-422-58 DIODE MA8062
C308 1-165-112-11 CERAMIC CHIP 0.33uF 16V
C309 1-115-467-11 CERAMIC CHIP 0.22uF 10.00% 10V D711 8-719-422-58 DIODE MA8062
C310 1-135-149-21 TANTALUM CHIP 2.2uF 20% 10V
C311 1-164-156-11 CERAMIC CHIP 0.1uF 25V < FERRITE BEAD >
C312 1-115-156-11 CERAMIC CHIP 1uF 10V
FB101 1-469-125-21 FERRITE 0uH (EXCEPT FR)
C313 1-109-935-11 TANTAL. CHIP 4.7uF 20.00% 4V FB201 1-469-125-21 FERRITE 0uH (EXCEPT FR)
C314 1-135-187-21 TANTAL. CHIP 2.2uF 20.00% 4V

www xiaoy u163. com

C315 1-135-187-21 TANTAL. CHIP 2.2uF 20.00% 4V < IC >
C316 1-125-837-11 CERAMIC CHIP 1uF 10% 6.3V
C317 1-162-964-11 CERAMIC CHIP 0.001uF 10% 50V IC301 8-759-579-12 IC TA2123AF(EL)
IC302 8-759-488-80 IC NJM2185AV-TE2

.
C318 1-135-201-11 TANTALUM CHIP 10uF 20% 4V IC601 8-759-356-46 IC MM1279XVBE
C319 1-164-156-11 CERAMIC CHIP 0.1uF 25V IC701 8-759-693-47 IC ML63512-127TBZ060
C320 1-162-968-11 CERAMIC CHIP 0.0047uF 10% 50V IC702 8-759-566-77 IC XC6371C251PL
C321 1-115-416-11 CERAMIC CHIP 0.001uF 5.00% 25V
C322 1-109-937-11 TANTAL. CHIP 6.8uF 20.00% 2.5V IC703 8-759-430-08 IC PST9008NL
IC704 8-759-280-84 IC S-81211SG-QA-T1

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QQ 376315150 892498299
MAIN
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
< JACK > R209 1-216-821-11 METAL CHIP 1K 5% 1/16W
R210 1-216-837-11 METAL CHIP 22K 5% 1/16W
J301 1-779-867-11 JACK (REMOTE) R211 1-216-825-11 METAL CHIP 2.2K 5% 1/16W
R212 1-216-805-11 METAL CHIP 47 5% 1/16W
< JUMPER CHIP > (EXCEPT FR)
R212 1-216-819-11 METAL CHIP 680 5% 1/16W
JC114 1-216-864-11 METAL CHIP 0 5% 1/16W (FR)
JC214 1-216-864-11 METAL CHIP 0 5% 1/16W
R213 1-216-853-11 METAL CHIP 470K 5% 1/16W
< COIL > R214 1-216-853-11 METAL CHIP 470K 5% 1/16W
R215 1-216-815-11 METAL CHIP 330 5% 1/16W
L701 1-412-032-11 INDUCTOR CHIP 100uH R250 1-216-811-11 METAL CHIP 150 5% 1/16W
(FR)
< PHOTO INTERRUPTER > R301 1-218-887-11 METAL CHIP 47K 0.5% 1/16W

PH701 8-749-014-43 PHOTO PR-20-T R302 1-216-849-11 METAL CHIP 220K 5% 1/16W
R303 1-216-833-11 METAL CHIP 10K 5% 1/16W
TEL

TEL
< TRANSISTOR > R304 1-216-835-11 METAL CHIP 15K 5% 1/16W
R305 1-216-837-11 METAL CHIP 22K 5% 1/16W
Q301 8-729-800-71 TRANSISTOR 2SB815B7-TB R306 1-216-793-11 RES-CHIP 4.7 5% 1/16W
Q302 8-729-423-75 TRANSISTOR XN1116
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13942296513
Q303 8-729-423-75 TRANSISTOR XN1116 R307 1-216-825-11 METAL CHIP 2.2K 5% 1/16W
Q304 8-729-421-23 TRANSISTOR XN1216 R308 1-216-851-11 METAL CHIP 330K 5% 1/16W
Q305 8-729-046-89 TRANSISTOR 2SB970-S(TX).S0 R309 1-218-899-11 METAL CHIP 150K 0.5% 1/16W
R310 1-216-837-11 METAL CHIP 22K 5% 1/16W
Q306 8-729-421-23 TRANSISTOR XN1216 R602 1-216-809-11 METAL CHIP 100 5% 1/16W
Q307 8-729-038-06 TRANSISTOR HN1K02FU(TE85L)
Q603 8-729-420-50 TRANSISTOR UN5215 R702 1-216-855-11 METAL CHIP 680K 5% 1/16W
Q604 8-729-420-50 TRANSISTOR UN5215 R704 1-218-911-11 METAL CHIP 470K 0.5% 1/16W
Q701 8-729-230-72 TRANSISTOR 2SA1362YG R705 1-218-911-11 METAL CHIP 470K 0.5% 1/16W
R706 1-218-911-11 METAL CHIP 470K 0.5% 1/16W
QQ

QQ
Q702 8-729-420-50 TRANSISTOR UN5215 R707 1-218-915-11 METAL CHIP 680K 0.5% 1/16W

TEL 13942296513 < RESISTOR >

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R708 1-218-903-11 METAL CHIP 220K 0.5% 1/16W
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376315150 892498299
R709 1-218-895-11 METAL CHIP 100K 0.5% 1/16W
R101 1-216-849-11 METAL CHIP 220K 5% 1/16W R710 1-216-853-11 METAL CHIP 470K 5% 1/16W
R102 1-216-839-11 METAL CHIP 33K 5% 1/16W R711 1-216-853-11 METAL CHIP 470K 5% 1/16W
R103 1-216-811-11 METAL CHIP 150 5% 1/16W R713 1-216-841-11 METAL CHIP 47K 5% 1/16W
R104 1-216-831-11 METAL CHIP 6.8K 5% 1/16W
R105 1-216-823-11 METAL CHIP 1.5K 5% 1/16W R714 1-216-803-11 METAL CHIP 33 5% 1/16W
R715 1-216-827-11 METAL CHIP 3.3K 5% 1/16W
R106 1-216-825-11 METAL CHIP 2.2K 5% 1/16W R717 1-216-821-11 METAL CHIP 1K 5% 1/16W
R107 1-216-837-11 METAL CHIP 22K 5% 1/16W R719 1-216-805-11 METAL CHIP 47 5% 1/16W
R108 1-216-789-11 METAL CHIP 2.2 5% 1/16W R720 1-218-871-11 METAL CHIP 10K 0.5% 1/16W
R109 1-216-821-11 METAL CHIP 1K 5% 1/16W
R110 1-216-837-11 METAL CHIP 22K 5% 1/16W R721 1-218-839-11 METAL CHIP 470 0.5% 1/16W
R722 1-218-855-11 METAL CHIP 2.2K 0.5% 1/16W
R111 1-216-825-11 METAL CHIP 2.2K 5% 1/16W R723 1-218-851-11 METAL CHIP 1.5K 0.5% 1/16W
R112 1-216-805-11 METAL CHIP 47 5% 1/16W R724 1-218-875-11 METAL CHIP 15K 0.5% 1/16W
(EXCEPT FR) R726 1-216-821-11 METAL CHIP 1K 5% 1/16W
R112 1-216-819-11 METAL CHIP 680 5% 1/16W
(FR) R731 1-216-833-11 METAL CHIP 10K 5% 1/16W
R113 1-216-853-11 METAL CHIP 470K 5% 1/16W R732 1-216-847-11 METAL CHIP 150K 5% 1/16W
R114 1-216-853-11 METAL CHIP 470K 5% 1/16W R733 1-218-895-11 METAL CHIP 100K 0.5% 1/16W
R734 1-218-851-11 METAL CHIP 1.5K 0.5% 1/16W
R115 1-216-815-11 METAL CHIP 330 5% 1/16W R735 1-218-871-11 METAL CHIP 10K 0.5% 1/16W
R150 1-216-811-11 METAL CHIP 150 5% 1/16W
(FR) R736 1-218-867-11 METAL CHIP 6.8K 0.5% 1/16W
R201 1-216-849-11 METAL CHIP 220K 5% 1/16W R738 1-218-895-11 METAL CHIP 100K 0.5% 1/16W
R202 1-216-839-11 METAL CHIP 33K 5% 1/16W R739 1-218-911-11 METAL CHIP 470K 0.5% 1/16W
R203 1-216-811-11 METAL CHIP 150 5% 1/16W R801 1-218-969-11 RES-CHIP 22K 5% 1/16W
R803 1-218-961-11 RES-CHIP 4.7K 5% 1/16W
R204 1-216-831-11 METAL CHIP 6.8K 5% 1/16W

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R205 1-216-823-11 METAL CHIP 1.5K 5% 1/16W R804 1-218-953-11 RES-CHIP 1K 5% 1/16W
R206 1-216-825-11 METAL CHIP 2.2K 5% 1/16W R901 1-218-955-11 RES-CHIP 1.5K 5% 1/16W
R207 1-216-837-11 METAL CHIP 22K 5% 1/16W R903 1-218-985-11 RES-CHIP 470K 5% 1/16W
R208 1-216-789-11 METAL CHIP 2.2 5% 1/16W R912 1-218-989-11 RES-CHIP 1M 5% 1/16W

.
R918 1-218-953-11 RES-CHIP 1K 5% 1/16W

— 27 —
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 http://www.xiaoyu163.com
WM-EX610

QQ 376315150 892498299
MAIN
Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks
< COMPOSITION CIRCUIT BLOCK > ACCESSORIES & PACKING MATERIALS
*******************************
RB601 1-234-243-11 RES, NETWORK 220K (3216)
0 1-528-299-41 BATTERY, NI-CD (NC-6WM) (AEP,UK,FR,EE)
< VARIABLE RESISTOR > 0 1-528-543-22 BATTERY, NI-CD (NC-6WM) (CH,JE,HK,KR)
0 1-528-580-21 BATTERY CHARGER (BC-7HT) (JE)
RV301 1-225-684-11 RES, VAR, CARBON 30K/30K (VOL) 0 1-528-661-15 BATTERY CHARGER (BC-7DR) (KR)
RV601 1-225-254-11 RES, ADJ, CARBON 2.2K 0 1-528-744-21 BATTERY CHARGER (BC-7DY) (AEP,FR,EE)

< SWITCH > 0 1-528-744-23 BATTERY CHARGER (BC-7DY) (AEP,FR,EE)

0 1-528-822-13 BATTERY CHARGER (BC-7DN) (CH)
S701 1-771-475-11 SWITCH, SLIDE (DIRECTION) 0 1-569-007-11 ADAPTOR, CONVERSION 2P (JE)
S702 1-771-053-21 SWITCH, KEY BOARD (x) 0 1-756-115-11 CHARGER, BATTERY (BC-7SP2) (UK,HK)
S703 1-771-053-21 SWITCH, KEY BOARD (nN) 1-759-700-22 CASE, BATTERY
S704 1-771-053-21 SWITCH, KEY BOARD (FF)
S705 1-771-053-21 SWITCH, KEY BOARD (REW) 3-008-521-01 CASE, BATTERY CHARGE
3-222-163-01 POUCH, CARRYING
TEL

TEL
S707 1-572-922-11 SWITCH, SLIDE (HOLD) 3-222-185-01 MANUAL, INSTRUCTION
(JAPANESE,ENGLISH,CHINESE,KOREAN)(JE)
< THERMISTOR > 3-222-185-11 MANUAL, INSTRUCTION
(ENGLISH,CHINESE,KOREAN)(CH,KR)
13942296513

13942296513
TH601 1-810-794-11 THERMISTOR, POSITIVE 3-222-185-21 MANUAL, INSTRUCTION
(SPANISH,PORTUGUESE,FRENCH,GERMAN)(AEP,FR)
< VIBRATOR >
3-222-185-31 MANUAL, INSTRUCTION
X701 1-579-258-11 VIBRATOR, CRYSTAL 32.768kHz (DUTCH,SWEDISH,ITALIAN,FINNISH)(AEP)
************************************************************ 3-222-185-41 MANUAL, INSTRUCTION
(ENGLISH,RUSSIAN)(AEP,UK,EE)
MISCELLANEOUS 3-222-185-51 MANUAL, INSTRUCTION
************** (CZECH,SLOVAK,HUNGARIAN,POLISH)(EE)
3-222-185-61 MANUAL, INSTRUCTION
QQ

QQ
S901 1-762-553-11 SWITCH, LEAF (ENGLISH,CHINESE)(HK)

TEL 13942296513 QQ 376315150 892498299

HP901 1-500-576-11 HEAD, MAGNETIC (PLAYBACK) 8-953-304-90 RECEIVER MDR-E805SP SET
M901 1-763-166-11 MOTOR (CAPSTAN/REEL)(WITH PULLEY)
376315150 892498299

376315150 892498299
PM901 1-454-674-31 SOLENOID, PLUNGER A-3052-265-A REMOTE CONTROL ASSY (RM-WME23)
************************************************************
The components identified by mark ! or dotted
line with mark ! are critical for safety.
Replace only with part number specified.

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Sony Corporation
2000J1656-1
9-873-013-11 Audio Entertainment Group
Printed in Japan ©2000.10
— 28 — Published by General Engineering Dept.

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