0% found this document useful (0 votes)
225 views13 pagesAccuphase E 305
schematic
Uploaded by
Thuy DttqCopyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
0% found this document useful (0 votes)
225 views13 pagesAccuphase E 305
schematic
Uploaded by
Thuy DttqCopyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF or read online on Scribd
/ 13
Alccuphase Service_Information
STARTING WITH SERIAL NO. L7Y001
Meter Knob for VOLUME
2-3 orm
8°20: (ai“4202-0a)
Pushbutton for POWER
Povaks 7 8 X60
((399-5012-04)
Pughbun wth Maat
(aieracor aay ””° "7 * pusnutton (5 x 0m)
$9-5013% Push-button(Gold) Side Panel
(Gssesataron} Leper eres $2 eaten
Gse-sou an} Goa e001)
Side Panel Top Plate Front Panel Assembly
4 RSA NOTPL. Day Reta WASSY
((138-0006-13) (10-0031-02) ((130-0068-02)
\
End Cap (R)
zvkeey 7
End Cap (U) Bottom Piste Sub Panel ee
re keros sree, yere Cia bts daf
(12-0058 06 Giss-o0si-i2y—(Sa-o0es-02)
intecrateo srerco ampuirier Ej~3O5 FRONT VIEW (atm)
Be 102 04
Ive, 7 Push-button(Sx 1brum)Brown=889-S013-04. Spes.
pea Fra 3.w0e2.04 Spee
Front Panel Assembly aves 8s Ses.
«io0.0088.08)" i Capit) 132. 0055.08 Ipc 9 Brame for Opener —213.0022. be
td Capa) 056-04 ie RMsHe ong
(hi bu it Stagaet 349 -060-00)
toe ote aroee ee
w Pate = 180 e2.0 oe
eye POWER u ‘i-o0t-o4 oes
8 Frame tot 9-00.14 te
es : 2 Todieator—173-907-04 te.
Lo Sie Tb iat =254 1096.04 te
63 Spr 284-0087-04 tye feene
REAR VIEW (im)
Pin Jack Pn Jack Terminal
"302 63-00) {02 0dos 00 e460 001-00)
Geen Terminal
GNowR
SH 0108 0»)
'
Rear Panel a
Het 58 0
XLR Cam Regence, 135-0061
(suo 0) Foot Ac Oute
398-0014-00)
AC Our, (350-1054-04
"1s 1208 00 “an 102-10)
for Biropean Model
a0 0800) SConductor TOP VIEW (1)
Power Transformer
SER Relay Circuit Assembly
$10-2011- 00 ee bbs
‘ame Plate (716-0238-00)
(180-3033-04)
Protection Asserably
(729-0014-00)
Power Amp Assembly
oA
717 0027 00)
Power Amp Assembly
7 o0ei-00 Bre Arp Asari
Gat oar 005
blectrtytie Capacitor
003.004 33.0000 71V
CEaIW iT C1
re ee Ry Volume Control Assembly
(rie 0239 00 = : Ki) a As
716.0286 00
Vaable Resistor
om
‘Lamp Holder
308-1507 00)
BOTTOM VIEW (&@)
Terminal
313.4052 10) Fuse Holder
‘Sucker for Voltage Set PE
Bridge Rectifier Pav 79 ae 306 1507 00)
Ve eta 180 027-04) Fuse SLO-BLO
(Doi: istab41) 104100117 (310 9902 00)
20.240V (310-1502-00)
Balancod| Amp Ascembly
pon ee 7 Ay
712002400)
Ceramic Capacitor
"ZGAWURZY AS)
Bridge Rectifier
(Don: 15b4R41-DY
POWERPush Switch FRONT VIEW(SUB-CHASSIS SIDE)
(47 y+» — > i)
Rotary Switch for INPUT Meter Variable Resistor for VOLUME
ag pen ee) Tras eee
(336-0801-00) (a78-2019-00) 575 2010 00
LED Assembly
Power Push Switch ; (723-0022"00
ee ens
354-1012-00)
Variable Resistor for BALANCE
ay ae24 25 100K
hove Jack Bh Swe for gang 2803-00)
(902 1802-00) ee “ait “0b Variable Resistor for TONE
waeiteias
(se 2406 00)
Rotary Snitch for SPEAR Rotary Switch for TAPE Dat Sch x TOME
Rotary Sitch Or Se Rona Sich fr Ea wh Sch for TONE
96 4804-00) ‘a6 2303 coy re ae a el
Rotary Switch for REC SEL Fiph Latch for Onener
Diet PigWs 7
536-8802 0
PACKING (#2) “Top Board Spas
Ae ¢a09-0116-00
{ t
ES e
Cord Cramper
280-0026 00) ve
Side PadiL) (siz 124 Side PaatR)
We Roo FL 7 FR
(803 0114 00) {eos-o11s-005
>
Inner Carton Box
Ae Ree
{501-0006 04)
Cover
Bab +
{B10 4840-00
Qper Carun Box MISCELLANEOUS (AEE Of GFE RBE)
No | ___Deseriotion (88 weave] Description (#8 %) [Part No(BaNo)] Remarks (me) |
Ta tae T esansae [ovate am | | Soege mB fm enone. [Stn FEB xo
nee oe | BoE aes
Haga Bows sine. o8 | én eth Stree, soos 04 | Stn PME ee
a ELGbr tt | Se gronm |tcmeere te
fe SLO-BLO 19a smog ae | for a 1, ry tind Cap axeroot | sxt0mm FEB gp
we Oem
si Rater Fisn000 | Ka A fo VOLUME eee cusewin | item te
| RAE . eee
| veo | sae te oun Ce dy |
me | ee wou Lacked Washer sneotaz | LW Ses.
| wat
cs | gym ere esracasses) oonrtsv | bem tae cuss | sxtemor2 tra
coat | Becisbe Conctr | eaaraes | sues nv SA ths
RM ‘Side Pane | 61-0816-00 | 4x 6mm BT-B ayes.
Sn
sree
Bower Saply Co =» Wastin exons | w to
weer &. scr yo
| ot fr bron croueor | etiam ST. ges
Be She
|
| |
owes Tramfomer sors. | osamn BT 8 ops
| | os
Maerat | o.oo 2 nay
nea sone 04
ne s3-0114-00
saise0
soon. Accum | One's Sas wane | xx
hae | Saas Skee | aE
scans ‘Sort i Pag, seis0n 08
Sey
sien
o.mcee
Toble of Screws, Washer 4. Ty > +R
Screws/D@ ~ @dia. ({f)mmxlength( #}mm Washers:
@ Poon Head (F~) © M180 Mere (RIAD) W oPlat Washer (199 7)
Bo-Binding Head (<4 » FD To Self Tapping 9 7 7% SW --Spring Washer (271) 7°73)
Om--Orel Head Oh) @ Bow te owiviow ch) | BR Rg (B02 7)
Reve Round Head (70 = Conte RH oe, | Locked Washer (tt? 2 =)
Foot Head >) Ss eosin mie Nvlon Washer (F492 7922) |
EX. BB 8X6 means 36mm Binding Head B type Self Tapping (WME<4 > FF 7774 F)
PM.C 26%5 means 26%5mm Pan Head ISO Metric Pre Amp Assembly (711-0021-00)
TUFYTAssy
27
246,
8,10,12
PC Board 115.0465.28,
PCF
Heat Sink 240-1040-14
beep
Connector Plug 308-0903-00 for KI
PROT SP 308-006-009 for Ke
308-0301-00 for K3.4
'308-0610.08) for K6
308-0513.) for KT
Relay 52.2226. RELAY 1.23
Diodes biz HZsiL
744i DBA HZAALL
Ds-8 1S$27
Balanced Amp Assembly (712-0023-00)
RDYAbPYTAssy
KI RELAY2 lez ke
RELAY
XLR(Cannon) Receptacle
2SK971-BL-S.
FETs 1K240-GR I
ISK 1ss- BI.
28K300.GR
13.4.28.2427.38 SCI EF
15-185 ISClast- EF
Transistors Q19~ 2246 2SA1S16-BLGR
PIL ERe 025,28.38,00
Q33~ 35 28K
Qt 28C298-0.9
a2 2SA1806.0.¥
lei2s6 NIMs54D.D
les IG rrr NJM20480-D
1c NIM&565-A,
Ir : NJMAS59D.F
CHOWILIOIAR nF /S0V
CEDIWIHRGBARBP 0158 /30V"
CEDIWIAZOBPM. 22,F/10V
CEDAWICIOOARBP 10,816
CEDAWIE222G83— 2,200uF,
‘CEOAWIVATISEM. 47yE/5V
CEMWIVERISEM 1.5).8725V
Blectoytic Capacitor
Te Fh C3 ~ 42
9BD2A221 — 220pF/100V
‘MB3DZA10LJ_100pF/100V
CMBBD2Az0] —_22pF/100V
crs (CQRONZALO3}APH 0.01:8/100V
Polypropylene Fim 8,10 (CQSOON2AIS2GAPH 0.0015 -/100V
Capacitor cuz COWBNZASSIGAPH 0.056 .8/100V
Rivak yy Fe CUZ CQREAPALOGAPH. d.teh/100V
cae COWARPASRIAPH 0056 /100V
24 CQMENZAIRGAPH 0018. 1009
Cun Film Reisor RI~§91015-18 RDMZEA~J L/W #5%
PAC SRERLLIRME 27~43152.55~64,
cee
Mecal Film Resistor RIRU=1I9-28, RNUQEKB AW 41%
PMURRLCAT 50845485,
ame
PC Board 115-0470.13
Por
XLRiCannon) Recept 307-0315-00
Borat agree
Connector Phag 308-0313-00 for KI
DRIDTIZ 308 0514.00 for Kz
Relay 962-2226-00 RELAY
Diodee Dies si76
Feo
les wea NIMS565D-A,
(Coctrolytic Capacitor C9,10. = CEMWIEITIRAZ 4704/25
PERI 72 C1316» CEMWIEIIAR —100,F/25¥
Mica Capacitors C14 Cumamearmy oop /3000
vivaeres
Polypropylene Fim Capacitor C3~81I--14 CQRANUASDGAPIL (065F 100%
Moyaees a Pe% CT CPRNIOL OLR TOD
Carbon Film Resistor RIT-22223 RDUIRAwJ AW =505
IRMA
Metal Film Resistor RI-I6-- RNLREK“F 1/4W 41%
RMSE! Relay Circuit Assembly (716-0223-00)
Yu-Aassy
Slide Switen
@3s0-oant"00)
Pin Jack
(302-0408-00)
Pin Jack
(303-0603-00)
RELAY = K3_ 2
PC Board 115-046-183
PCH F
Pin Jack 202-0406-00
eevee '302-0603-00
Switch Assembly (716-0234-00)
Ad yFAssy
Qk Ka KS Ka ied C1 RELAYI
sw sw2 sw3 sw4 VRL VR2 VRS
PC Board 115.0867-18
Bera F
xed Bracket
meer a
08-0911.00 for K
308-0510-00 for
508-0201-00 for
Connector Plag 069.00 for
DRIIT9T 508-0805-00 for
5080513:00 for
/308-0610-00, for
508-0301-00 for
S08 1010.00 for
0207-00 for
Rotary Switch 336-4804.00 for 8
BOF Rh yt 336-9602. 00 for
6-3803-00 for §
Posh Switeh 354-4411-00 for SW
Tyee kh st 354-1408.00 for SW5,
Connector Jack
BRPI Ee?
207.0905.00,
Connector Plug 08-0301.00
for KB
for K1.7.9.10
DRIITIT 5080304.00 for K2
308.0005. for Ka
08-0506:10 for Kis
Slide Switch :350.0401.00 swi
nes
Relay 992.2228.00 RELAY 117
Diodes Din
Fit
Digital ‘Transistor X16 DTDIMES
FELIU FLERE XBAS DTCIEF
Blectrolytic Capacitor Cl~12 = CEMWIHRASEM —08u8/30V
PM Fe CINE = CEMWIVIRISEM 3,0/35V
Carhon Film Resister RIB RDM2EA~I vaw
HEME
Relay 82-2226.00 RELAY 1
Variable Kesistor 2.2406.) for TONB/VRI.2:10k9
sre
Dies
rit
‘Transistor aus
bore ne Qe’
Digital transistor xg
FUL INSILORS
for BALANCE/VRI:10042
Issiis
HZi2A2L
'SDIs6-O.Y
28C2158-GR
prbiaEs
NIMAS58S-D
Ics NJM36325-D
TOGRBP,
Chat = CHMWIVISGARED Lami 5
56 CEDAWIVIDRAZ Loo /6V
Eleituytic Capadtor C7840 =» CBUEWTV200RCZ Zul /35V
Pros F oar COT CBMWINOIRC —L4F/S0¥
CEOWIVSRISEM 23,836
CROAWIRIOIKAZ L004 25¥
CEOAWIRARTAR 4.74825
CEORWICIOOAREP 10,8 16¥
CreNIITION OLB SOV
Polypropylen Film, CreNiH22i) — 022uF/Sov
Capacitor CREENZAIRIAPS —LANOPF/100V
Rhy aeLy 2 CERANIEEY— 056u8/50V
Mica Capacitor C1920 + CMBSD2ALOI)—_Loip 00
einarye% — CBL32 + CM@D2A20) — zp tO0V
Carbon Film Resistor S840 Yew 45%
eee ct 28 Ri-B1~20028 VaW 5%,
S-Ril-s
Metal Film Resistor
emma
Res.s0.5836
75.26:31.32
(Oxide Metal Film Resistor RE
Avice ok LILA
RNHZCKSIIE 1/6W +12
RNLWEKSIIE 14 +15
RSURAALOIINIW 25% Power Amp Assembly (717-0027-00)
AU-FYTAssy
Diodes pizza issi76
744-8 Daa : (T-8001PMLED)
56 HZ1531.Zener)
D80.15,16 ISssi
Diniz HZ9A2L(Zener)
Test Point Diss S8277B,
DIP oer 1GHBAL
a sess gPABBHA-M
FETs ws messes 2SK186-BL,
a5 2SK300-Y
as 2SK213
eo.
6
qr
as
@ 2278s. ELFL
Qi. 2SA1376- KU
Transistors au Ku
Boreas an SAL07-S,
j ais. ISC392-S
O20 QU iene 2SA13H6-0Y
Reale oo) ais?
i618
2QU,2325 vovenonn 28CINOTRO
222.2426 AI5I6-RO
Ke K3 ‘Have to use same rank
. sce CRMWICIOAR — 10,.2/16V
Beculytic Capacitor C78 (CEOAWICIOOARBP 10/16
ware CU22122 ~ CEMW2ALDOUSM. 10,d2/100V
CTE nee CEOAW2AZQIUSM 220nF /100V.
eaa24 CEOUW2ALOAL 1,00,F/100¥
PC Boad 115-0463-24 Mica Capacitor CI “ CMBBDPAI0AJ —1.00HpF 100
pee minaret CMEFAIGAEE — S6pF/500V.
cung CMIRDURSGI —3309F 3150
Heat Sink 240-0025-02
eo bee? Polypropylene File CORNZAITIKALILA7OQF/100V
Capacitor CQSEPP2ASE2IM 69000F/100V
Hexa Bose 251-6062.04 mm lengh BN TOLv yay ret CQRRANRAATIGAPH 17009F100V
NMRA CORLIPPABUGK-S 0.01, F/ 2300
Connector Plug 308-0301.00, for KI Carton Film Resistor RDWICAWJ Lew
BRIITIT 308-0212.00, for K2 MeaeaMacCM | RI~45~1117~20 VAw
308041100, for K3 2-038
ke RDMOHASSY —12W
IC Protector 310-8201-00, F1,2/2A0CP-¥50)
I 7eroe Metal Film Resistor RRIRIEMSL ——- RNIVEK-F LAW +195
SMR
Test Point Terminal 314-4022-00 for TP.
KROL: Oxide Metal Film RI4I532 RSHIAA JW
Resistor
Potentiometer 589-0124-00 VRI-1009 neta aC
spa
Metal Plate Resisior R&I—46 ee RWORMDJRITKGH AND. SW 10
Ics ie12 NJMAS58D Siaiscsie Input Selector Assembly (716-0235-00)
ALT bee DI ASsy
K2 K3 ka
Rotary Switch
(336-C801~-00)
208-0901-00 for K1S
Connector Phag $308-16510-00 for K2
BRIITIT 208-0904-00 for KAAL
208-0609.00 for Kt
$308-0805-00 for K6
Rotary Switch 236-0801-00 for SW
BOP UAL OE
Diodes biz issit6
vitae
Carbon Film Resistor RI RDIA2BASO)——1/AW 15%
eae MeIOAKC eS
Protection Assembly (720-0014-00)
FaFovavAssy
Ke 43 vere vel Ks
| cr
KL R25~29
Fuse Holder
RELAYS,
PC Board
Perm
115-0164.08
Fuse Holder 306-1102-00 for FI
Volume Control Assembly (716-0236-00)
RY a—LAssy
Ki
Variable Resistor
(875-2010-00)
Connector Phug 308.0610-00 for KL
VRIILI 58-0804.00 for K2
Variable Resistor 515-2010-00 for VRIS0ke
SURE
LED Assembly (716-0022-00)
Connector Pax -8-0809-00 | for KI
BRIITIT
354-1209-00 for SWI
piné GLSHD8-BC
Carbon Film Resistor RI
Ae IRITRRI
RDIZEAL02} 1/4W 159%
:308-0301-00 for KL
Connector yg ‘30s. n608-00 for 2
2RIP ‘08-0807 00 for K3
‘0s-0606-00 for Ki
$30s.0506-00 for KS
Relay -362-3202-00 RELAY
vem 62-2108-00 RELAY 3)
Choke Coil 5306-0008.-00 uu
Potentiomet 580-0234-00 for VRU222K0
ra Se.0134.00 for VRS TOK
Diodes Dis 1ssi7s
ier ba SIYEIO
az 28C2458.GR
ICL senses TATSISP 21
Cenawoj271SeM
‘Chu4WiVAR7SEM
‘CeuawonioiseM Loin /63V
CRoawiVIolsEM, 100. /35V"
Polypropylene Film C12 NIHSHJ 033/R/S0V
Capacitor C57 CQMANZAZIKAPHTOO22AF/ IOV
Pi 7oeLy *
Carbon Film Resistor RI~69-I,RDMIBA) AW
ARIES 6-8
BM
Oxide Metal Film Resistor RTAIMIS, RSUGAA EH 1W
meio mMLIEAE WR
Metal Plate Resistor RUE
abu
RNYBHJIRIKS 102 SW + 10% CIRCUIT ADJUSTMENT (38%)
Notes #11. Internal input resistance of volt-olim meter should be higher than 10i¢ ohins.
FRIM[, ATMA LOLOL SBOP EO,
82. Adjustments should be made in case of the PC Board or Transistors being changed
BMPCH ABE POY AI EBL ATI TPE
2. After feeding 1~10° watts output for about 15 minctes, check bias adjustinents again,
INI 107 7 FARTHER, AT RRM HS,
STEP ADJUST ITEM PROS URE AbjusT REMARKS
ay aes mrsieor NE 5
POWER AMP ASSEMBLY (717-0027-00) See ws
AT-FY TASS *
| Bias Curent of Leh |v. Meter Set range Dy, 7
1 | Power Amp ‘ee Sere val Adjust for “10mV
LE [ear mie to less than Test Point Pin @D and | FOF eh seaaing of V.0. Meter
] Bias Cursent of Roh bee FAREED EO. ver razor” |
2 Power Amp. “
Rend 7 RA DOV RAY: y for Ren ae
METER CALIBRATION (Located Protection Assembly 720-0014-00)
49
Note Adjustment 1 and 3 should be repeated antl correct meter indication is obtained.
TRETOMEIL 9 oR. (Sk CREEL |
* —_|
Peal-0aB Calibration ] Adjust input sigal so that V'CVM. |
1 for Le | VR2 ads SV. Then ads VR2 and
Leh:oat ee viva | YRI so that Meter read od
Peale-068 Calibration YIMo ev
2 | for Reb, | ver |B, Arent
Rch:048 Weir Input:1kit2 Sine Wave | Speaker Terminals VaL2em
—) Adu tke wane i ot alo i VV
S0AB Calibration for Leh eae ae ch
3 Load: None ves [Ogg Meater
vR2 VR3 VR
(Leh:OdB) (Leh:-30dB) (Rch:0dB)
Protection Circuit Assembly
(720-0014-00)
vR1
Lech,
Bower Amp Assembly
(@17-0027-00)
Test Point
wer Amp Assembly
0027-00) BLOCK DIAGRAM
st SPECIFICATIONS cusreny scecitcations ae measured according to EIA stondord RS-490)
a
‘Performance guaranty . OMERID ezUnaHt 0-mNOUE UAT!
AEE Fed acta re gunioa as me toga
Continuous average cxtput power 30W ch 80.
{e0 wats po charnl fo tobi OLR MAU TAR Keer AUANOT OI -aNFNEND-aoPY)
190 wate per channel rt 8 bie 002% 4-189
Gam channels cmon, 20-20 000 1, 14D 0.02%) emorax oni,
'* Total harmonic distortion
(0.02%, yan 419 16 ohms load et
(both channels driven, trom 0.25 W to rated continuous Yaa av NUT
‘average output. 20-20,000 H2) 4
‘intermodulation distortion
emeam): 2-20 0-026
yA) 151s} BIO
gine HGH EVEL NUT ERT 3 rr 4a one 215 ' +
B runes —[* = ee — | ) ag FT & AS. | \ a8 4
TI p 13 72 Si 8 17 033 035
une st ce QE et Site” too | or py sae oer trove | oer ae eel 8 y | I 3]33|
; ’ 7 3)) bal 5,
ime =f fez Sh ae re &$ vsor | v2 8 ov ]034 036] 164 172] Lage | | 2 * gfe 3° or
L a os --< | [1] . = ; + RE ey) Lie | | § 3 |
1 evar nee Sire ee ie E 5 ale |e re | aoe SJ “ al # 2
ume 3 —f? roan eee eure r4}|| |musri | To [| omit Hy je mes ts Ee Mbidactns ERLE] EL e nite y iso as | - 108841, g
. | me ve ae Ek {hoy toc 0c “te ve | fin oo
a ne JN Ee
, ‘ae gone | Bp [| bene 2 EY xy ics ics SWITCH _ASS'Y (716-0234-00)_ of lala 5
G ea | +t os Sa | ioreieuennnieniennennenhenieientenienientenienieniententennenientenl Sy seg TEES Ah SPEAKER
Sea eso Sper ven S| GT |S Sir 2 tle a2
ting pa cen LA 2 ce i | Ot wes ae +t sod REESE ‘
a TER, | est laa Sine Gao be fF val
13 wo SS'V_(720-0014-00)
“oan J LOD EEE | sco _ome_ op Stteton omer Pl.
L Cite Wah] q I P| coos. ar’ ER
r | + ore
aise bls]. | oft poe tho
+ = +,
e}s|oaT | Ty 4 | igo no SIE cm 4
: 3 3 . | :
H | Tk Ls | Iso ? ‘ULET Re PHONES
3 -
| a | =
5 mars] =< $e
gly »! ee alE an
x 7 2299 ae 510-3011-00
| fe aie te | se noraay,
| Tom Waser —| | Ce enon GME
| fof 08, | sano Mewin _—
| oa] a | 04": S1YBIO Re 38) maac :
1,2 :1ssi76 fo, Eo I Eee |
1
L_716-0235-00_ J
' 3 - = = . 2 (822—3045—00)
0688 — 500 . eae ; :
ated values of parts in the schematic diagram may be changed in case of performance improvement.