TC-WE305

SERVICE MANUAL
Ver 1.2 2003.12 With SUPPLEMENT-1 (9-960-691-81)

STEREO CASSETTE DECK

9-960-691-13

2003L02-1 2003.12

Sony Corporation
Home Audio Company Published by Sony Engineering Corporation

Ver 1.1 2002.10

Ver 1.2 2003.12
US Model Canadian Model AEP Model E Model Australian Model PX Model

SUPPLEMENT - 1

File this Supplement with the Service Manual.
Subject : SUFFIX CHANGE OF THE MAIN, SW AND METER BOARD

(ECN-TCA00478)

9-960-691-81
z CHANGE OF MAIN BOARD The main, SW and meter boards of US, AEP, Australian and E model were changed (CND, SP and PX model are not changed). Printed wiring board and schematic diagram of new type, and changed parts list are described in this Supplement-1. Refer to original service manual (9-960-691-13) previously issued for the other information.
NEW TYPE IDENTIFICATION (US, AEP, Australian, E model)

US,Australian,E MODEL

SW BOARD (SIDE A)

1-661-076-21

METER BOARD (SIDE A)

AEP MODEL

1-661-076-21 1-661-076-21

MAIN BOARD (SIDE A)

TC-WE305 DIAGRAMS
PRINTED WIRING BOARDS MAIN Section

IN R L LINE R OUT L

METER BOARD (Page 6) E AEP E

Semiconductor Location

MAIN BOARD

Q706 P702 JW198

US,AUS,E JW197

JW102 R704 JW103

US,AUS,E

JW105 R705

1 CN803

JW164 JW165

C128 C228

C129 C229

D703 D702 D701

D712 CN702

SW BOARD (Page 6)
JW107 JW120 JW121 JW122 R118

R204 R203 R202

CN701 US,AUS,E

JW167 R123

JW119 JW118 JW117

JW114 JW113

C201 R201

C101 5

R710 D715

R103 R102

JW170 JW169

JW116 JW115 D713

16 R110

C115 R115

JW186 RV102

L-CH DECK A R-CH

HRP101 PLAYBACK HEAD

R112 Q101

R535 R518
JW123 JW124 JW125 JW126 R214 JW148
M901 M CAPSTAN/REEL MOTOR S901 MOTOR SWITCH DECK A S902 PLAY SWITCH

R508 R715 Q510

RV502 RV504

R713 Q509

Q506 E R536

LPF101

JW109 1

CN504 8

Ref. No. D501 D502 D503 D504 D505 D506 D507 D508 D509 D510 D511 D701 D702 D703 D704 D705 D706 D711 D712 D713 D714 D715 D716 D717 D718 IC101 IC102 IC103 IC104 IC105 IC106 IC107 IC501 IC502 Q101 Q102 Q103 Q201 Q202 Q203 Q501 Q503 Q504 Q505 Q506 Q507 Q508 Q509 Q510 Q511 Q512 Q515 Q516 Q517 Q518 Q701 Q702 Q703 Q704 Q705 Q706
Location E-9 E-8 E-9 E-9 F-9 F-7 G-9 D-8 G-7 D-9 D-8 B-10 B-10 B-10 B-10 C-8 B-8 C-9 B-10 C-8 C-8 C-9 C-8 D-8 D-8 C-3 E-3 D-3 D-5 F-5 B-6 F-3 F-9 E-9 D-5 E-7 F-5 D-5 D-7 F-5 E10 E-8 D-8 D-9 D-9 C-9 D-8 D-8 D-8 E-5 G-4 G-4 G-4 F-5 F-5 B-8 B-8 A-8 B-7 A-7 A-7

Q508 D717 D511

CNP506

JW149 Q202 E

R519 JW127 JW128

Q505 JW129 R501

(CHASSIS)

R108 R109 R106 R107

R121 JW175 JW174

JW140 JW139

JW190 1

Q511 Q103

HRP101 RECORD/ PLAYBACK HEAD

D503 D504

R205 C204

JW135 JW134

R208 R209 R206 R207

Q102 R229

JW131 JW132

R524 JW173

R523 R525

LPF201

1 JW133 C501 CN505 E

R141 R142

M902 M CAPSTAN/REEL MOTOR S903 MOTOR SWITCH S904 PLAY SWITCH S905 REC SWITCH

DECK B

JW152 JW153 JW155 JW156 JW157 JW141 JW142

9 US,AUS,E C132

RV205 E

D505 1

R131 C133

R531 R532

1 R511

JW147 JW146 JW145

R506 8
(CHASSIS) HE101 ERASE HEAD

CN503 JWC512

D509 JW162 JW161

C233 JW180

R526 R510

Q515 C511

CN802 6

21 1-661-076- (21)

METER BOARD (Page 6)

JW159 JW160

SCHEMATIC DIAGRAM MAIN SECTION (1/2)

IC101(1/2) PC4570C-1

DECK A PLAYBACK LEVEL (L-CH)
IC104 CXA1551P C50V R110 11k RC114 2.2 50V

R523 20k

C101 470p HP101 PLAYBACK HEAD CN501 R101 270k R103 6.2k

R104 120k

C103 2.2 50V
IC103 MC14066BCP PB EQ SWITCH

DOLBY NR AMP

R118 2.2k LPF101 R123 5.6k C50V IC106(1/2) NJM4558D C127 2.2 50V CN803 5P

RV101 10k

R113 18k
C115 0.1 C116 2.2 50V R116 10k RV103 10k

R102 100

C102 0.022

C50V C111 0.0047 C50V

C112 390p R124 220k
REC LEVEL (L-CH) R115 100k R117 3.3k R125 2.2k BUFFER J101 R128 100k C128 220p IN L
PB EQ AMP DECK A R201 270k RR203 6.2k C202 0.022

R111 15k

Q101 BA1L4M PB/EQ SWITCH

C125 4700p

C201 470p

R204 120k

C203 2.2 50V DECK A
R112 220k RV201 10k R224 220k 1 50V 50V

C225 4700p

R225 2.2k

IC106(2/2) NJM4558D

R228 100k C121 4.7 50V C227 2.2 50V R130 1k

C228 220p

IC101(2/2) PC4570C-1 REC EQ AMP IC102(1/2) PC4570C-1

(R-CH)

PB EQ SWITCH
R212 220k C212 390p Q201 BA1L4M PB EQ SWITCH C50V

PLAYBACK LEVEL

R501 4.7k DECK B M902 CAPSTAN/REEL MOTOR TAPE SPEED (HIGH) CN505 RV503 2.2k R519 11k DECK B DECK B TAPE SPEED (NORMAL) RV504 2.2k C504 0.47 50V

D503 1N4148M

IC501 MC14001BCP

IC502 MC14011BCP

MOTOR CONTROL R520 7.5k R536 4.7k

MOTOR CONTROL

Q506 2SA1175 SPEED CONTROL

R502 4.7k

R507 15k

R506 33k

D505 1N4148M
R505 4.7k -7V REC SW MUTE GND
Q508 BN1L4M LINE MUTE SWITCH D718 UZL-6L1 R714 2.2k Q510 2SC2785 LINE MUTE SWITCH R713 22k D717 1N4148M Q509 2SC2785 LINE MUTE SWITCH D716 UZL-7M2 R712 1k D714 1N4148M R711 1k US,AUS,E D715 1N4148M CN701 D713 1N4148M

R715 2.2k

Q703 2SB1375 +7V REG

AEP P701 D701 11E52

JW197 C10V Q702 2SC2785 REG DRIVE R701 2.2k US,AUS,E C25V D711 11E52

D702 11E52 CN702

D705 UZL-7L1 R709 3.9k R705 1k

C706 D50V 1N4148M

Q701 2SC2785 B+ DET SWITCH

R702 2.2k C16V

C710 4.7 50V

R710 2.2k

D712 11E52
Q704 2SA1175 B- DET SWITCH RC10V R706 3.3k Q705 2SA1175 REG DRIVE

R704 2.2k

C16V C25V
R703 2.2k US,AUS,E Q706 2SD2012 -7+ REG JW198

D704 11E52

D703 11E52
PRINTED WIRING BOARDS SW, METER Section
MAIN BOARD (Page 3 ) MAIN BOARD (Page 3 ) MAIN BOARD (Page 3 )

SW BOARD

METER BOARD
KH801 KH802 D101-107,D201-207

PEAK LEVEL METER

T701 POWER TRANSFORMER S702 POWER CNP1 AC IN C903

5 KH803

D103 D102 D101

MAIN BOARD (Page 3 )

* NOT REPLACEABLE: BUILT IN TRANSFORMER

1-661-076-

21 (21)

R811 D807 RECORD

1 D808 DUBBING SPEED NORMAL

1 R813

D809 DUBBING SPEED HIGH
* NOT REPLACEABLE: BUILT IN TRANSFORMER T701 POWER TRANSFORMER *
S803 DUBBING SPEED HIGH t NORM

D801 D803

R823 R822 R821

US,AUS

S701 POWER OFFt ON

CNP1 AC IN

S801 DOLBY NR ON t OFF

-2 -1 -1 -2 -3

S703 VOLTAGE SELECTOR 120V

RV107 REC LEVEL

DECK B TAPE TYPE t t

S802 DECK A TAPE TYPE

Ref. No. D101 D102 D103 D104 D105 D106 D107 D108 D201 D202 D203 D204 D205 D206 D207 D208 D801 D802 D803 D804 D807 D808 D809 IC108 IC208
Location C-4 C-3 C-3 C-3 C-2 C-2 C-1 B-3 C-4 C-3 C-3 C-3 C-2 C-2 C-1 C-4 D-4 E-4 D-3 E-3 D-2 D-2 C-4 C-2 C-3
SCHEMATIC DIAGRAM SW, METER Section

KH802 D804 1N4148M

C50V D108 1N4148M D102 SEL4414E-C R135 3.3k D202 SEL4414E-C D208 1N4148M R235 3.3k C50V D801 1N4148M -3 -1 -4 -2
IC108 LB1408 LEVEL METER DRIVE LEVEL METER DRIVE
IC208 LB1408 D802 1N4148M

S804 DECK B TAPE TYPE

D107 SEL4214S-C D106 SEL4214S-C D104 SEL4414E-C D103 SEL4414E-C D105 SEL4414E-C

D203 SEL4414E-C

D207 SEL4214S-C D206 SEL4214S-C
D204 SEL4414E-C D205 SEL4414E-C D101 SEL4414E-C RD101-107 D201-207 PEAK LEVEL METER KH803 R220 27k RV107(2/2) 20k REC LEVEL RV107(1/2) 20k R120 27k US,AUS,E D807 SEL1210S-C ROFF

S801 ON

S802 DECK A TAPE TYPE /
S803 DUBBING SPEED HIGH NORM HIGH
D201 SEL4414E-C D803 1N4148M RR812 470
D809 SEL1210S-C DUBBING SPEED HIGH
D808 SEL1210S-C DUBBING SPEED NORMAL
R821 12k R822 3.9k R823 2k
T701 POWER TRANSFORMER S702 POWER
T701 POWER TRANSFORMER C903 4700p 400V
E NOT REPLACEABLE: BUILT IN TRANSFORMER S703 VOLTAGE SELECTOR 120V
NOT REPLACEABLE: BUILT IN TRANSFORMER

For schematic diagrams.

Note: All capacitors are in F unless otherwise noted. pF: F 50 WV or less are not indicated except for electrolytics and tantalums. All resistors are in and 1/4 W or less unless otherwise specifed. % : indicates tolerance. f : internal component. 1 : fusible resistor. C : panel designation. Note: The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. A : B+ Line. B : B Line. H : adjustment for repair. Voltages are dc with respect to ground under no-signal conditions. no mark : PLAY ( ) : REC Voltages are taken with a VOM (Input impedance 10 M). Voltage variations may be noted due to normal production tolerances. Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal production toler ances. Circled numbers refer to waveforms. Signal path. E : PB (DECK A) d : PB (DECK B) G : REC (DECK B) Abbreviation AUS : Australian
Note on Printed Wiring Boards: Note: X : parts extracted from the component side. f : internal component. : Pattern from the side which enables seeing. Abbreviation AUS : Australian

r Waveforms

TC-WE305 ELECTRICAL PARTS LIST
NOTE : Due to standardization, replacements in the parts list may be different from the parts specified in the diagrams or the components used on the set. -XX, -X mean standardized parts, so they may have some difference from the original one. RESISTORS All resistors are in ohms METAL : Metal-film resistor METAL OXIDE :Metal oxide-film resistor F : nonflammable Items marked * are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. Ref. No. Part No. Description SEMICONDUCTORS In each case, u : , for example : uA. : A. , uPA. : PA. uPB. : PB. , uPC. : PC. uPD. : PD. CAPACITORS uF : F COILS uH : H Abbreviation AUS : Australian
The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified. When indicating parts by reference number, please include the board.

Remark

Ref. No. C202 C203 C204 C205 C206 C207 C208 C209 C211 C212 C213 C214 C215 C216 C217 C218 C221 C222 C223 C224 C225 C226 C227 C228
Part No. 1-136-157-00 1-126-961-11 1-162-292-31 1-104-665-11 1-136-157-00 1-126-961-11 1-126-964-11 1-126-964-11 1-130-479-00 1-162-289-31 1-126-964-11 1-126-961-11 1-136-165-00 1-126-961-11 1-126-960-11 1-126-960-11 1-126-963-11 1-124-902-00 1-126-963-11 1-126-964-11 1-162-600-11 1-126-964-11 1-126-961-11 1-162-286-31
Description MYLAR ELECT CERAMIC ELECT MYLAR ELECT ELECT ELECT MYLAR CERAMIC ELECT ELECT MYLAR ELECT ELECT ELECT ELECT ELECT ELECT ELECT CERAMIC ELECT ELECT CERAMIC 0.022uF 2.2uF 680PF 100uF 0.022uF 2.2uF 10uF 10uF 0.0047uF 390PF 10uF 2.2uF 0.1uF 2.2uF 1uF 1uF 4.7uF 0.47uF 4.7uF 10uF 0.0047uF 10uF 2.2uF 220PF 5% 20% 10% 20% 5% 20% 20% 20% 5% 10% 20% 20% 5% 20% 20% 20% 20% 20% 20% 20% 30% 20% 20% 10%
Remark 50V 50V 50V 10V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 50V 16V 50V 50V 50V (AEP)
A-2007-564-A MAIN BOARD, COMPLETE (US,AUS,E) A-2007-589-A MAIN BOARD, COMPLETE (AEP)

*******************

CN803 1-506-987-11 PIN, CONNECTOR (PC BOARD) 5P * CNP506 1-560-060-00 PIN, CONNECTOR 2P <DIODE> D101 D102 D103 D104 D105 D106 D107 D108 D201 D202 D203 D204 D205 D206 D207 D208 D501 D502 D503 D504 D505 D506 D507 D508 D509 D510 D511 D701 D702 D703 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-32 8-719-304-32 8-719-991-33 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-37 8-719-304-32 8-719-304-32 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-991-33 8-719-024-99 8-719-024-99 8-719-024-99 DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE DIODE SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4214S-C-TP (PEAK LEVEL METER) SEL4214S-C-TP (PEAK LEVEL METER) 1SS133T-72 SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4414E-C-TP (PEAK LEVEL METER) SEL4214S-C-TP (PEAK LEVEL METER) SEL4214S-C-TP (PEAK LEVEL METER) 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 1SS133T-72 11ES2-NTA2B 11ES2-NTA2B 11ES2-NTA2B
8-759-140-11 IC MC14011BCP <JACK>
1-770-614-11 JACK, PIN 4P (LINE IN/OUT) <CABLE HOLDER>

* KH701

1-573-287-11 HOLDER, CABLE 2P <COIL>

L101 L201

1-410-781-11 INDUCTOR 1-410-781-11 INDUCTOR <FILTER>

33mH 33mH

LPF101 1-233-380-11 FILTER, LOW PASS LPF201 1-233-380-11 FILTER, LOW PASS <IC LINK> 0 PP702 1-532-984-11 IC LINK 1-532-984-11 IC LINK <TRANSISTOR> Q101 Q102 Q103 Q201 8-729-900-89 8-729-119-78 8-729-119-78 8-729-900-89 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR BA1L4M-TP 2SC2785TP-HFE 2SC2785TP-HFE BA1L4M-TP 2A 2A 50V (AEP) 50V (AEP)
The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.
Ref. No. Q202 Q203 Q501 Q503 Q504 Q505 Q506 Q507 Q508 Q509 Q510 Q511 Q512 Q515 Q516 Q517 Q518 Q701 Q702 Q703 Q704 Q705 Q706 Part No. Description 8-729-119-78 TRANSISTOR 2SC2785TP-HFE 8-729-119-78 8-729-900-65 8-729-029-94 8-729-116-02 8-729-900-89 8-729-119-76 8-729-119-76 8-729-900-65 8-729-119-78 8-729-119-78 8-729-900-89 8-729-900-89 8-729-142-46 8-729-142-46 8-729-142-46 8-729-900-65 8-729-119-78 8-729-119-78 8-729-209-60 8-729-119-76 TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR TRANSISTOR 2SC2785TP-HFE BN1L4M-TP BA1L3Z-TP BA1A4M-TP BA1L4M-TP 2SA1175TP-HFE 2SA1175TP-HFE BN1L4M-TP 2SC2785TP-HFE 2SC2785TP-HFE BA1L4M-TP BA1L4M-TP 2SC2001TP-LK 2SC2001TP-LK 2SC2001TP-LK BN1L4M-TP 2SC2785TP-HFE 2SC2785TP-HFE 2SB1375 2SA1175TP-HFE Remark Ref. No. R204 R205 R206 R207 R208 R209 R210 R211 R212 R213 R214 R215 R216 R217 R218 R220 R221 R222 R223 R224 R225 R228 R229 R230 R231 R233 R235 R241 R242 R501 R502 R503 R504 R505 R506 R507 R508 R509 R510 R511 R512 R513 R514 R515 R517 R518 R519 R520 R521 R522 R523 R524 R525 RRR528 R529 R530 Part No. 1-247-881-00 1-247-889-00 1-247-807-31 1-249-433-11 1-247-881-00 1-247-850-11 1-247-856-00 1-249-431-11 1-247-887-00 1-247-807-31 1-249-401-11 1-249-441-11 1-249-429-11 1-247-843-11 1-249-421-11 1-249-434-11 1-249-409-11 1-249-425-11 1-249-426-11 1-247-887-00 1-249-421-11 1-249-441-11 1-249-421-11 1-249-417-11 1-249-428-11 1-249-429-11 1-247-843-11 1-247-854-11 1-247-843-11 1-249-425-11 1-249-425-11 1-249-437-11 1-249-417-11 1-249-425-11 1-249-435-11 1-249-431-11 1-249-437-11 1-249-433-11 1-247-807-31 1-249-437-11 1-249-393-11 1-249-437-11 1-249-417-11 1-215-455-00 1-247-856-00 1-247-852-11 1-247-856-00 1-247-852-11 1-249-440-11 1-249-429-11 1-247-862-11 1-249-429-11 1-249-421-11 1-249-437-11 1-212-849-00 Description CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON METAL CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON CARBON FUSIBLE

F F F F F F F F

F F F F
1/4W F 1/4W F 1/4W 1/4W F 1/4W
<VARIABLE RESISTOR> RV101 RV102 RV103 RV105 RV107 RV201 RV202 RV203 RV205 RV501 1-241-764-11 RES, ADJ, CARBON 10K (PB LEVEL L-CH) (DECK A) 1-241-764-11 RES, ADJ, CARBON 10K (PB LEVEL L-CH) (DECK B) 1-241-764-11 RES, ADJ, CARBON 10K (REC LEVEL L-CH) 1-241-768-11 RES, ADJ, CARBON 220K (REC BIAS L-CH) 1-223-850-11 RES, VAR, CARBON 20K/20K (REC LEVEL) 1-241-764-11 RES, ADJ, CARBON 10K (PB LEVEL R-CH) (DECK A) 1-241-764-11 RES, ADJ, CARBON 10K (PB LEVEL R-CH) (DECK B) 1-241-764-11 RES, ADJ, CARBON 10K (REC LEVEL R-CH) 1-241-768-11 RES, ADJ, CARBON 220K (REC BIAS R-CH) 1-241-762-11 RES, ADJ, CARBON 2.2K (TAPE SPEED HIGH) (DECK A) 1-241-762-11 RES, ADJ, CARBON 2.2K (TAPE SPEED NORMAL) (DECK A) 1-241-762-11 RES, ADJ, CARBON 2.2K (TAPE SPEED HIGH) (DECK B) 1-241-762-11 RES, ADJ, CARBON 2.2K (TAPE SPEED NORMAL) (DECK B) <SWITCH> SS702 S801 S802 S803 S804 1-762-580-11 SWITCH, PUSH (1 KEY) (POWER) (US,AUS,E) 1-762-581-11 SWITCH, AC POWER PUSH (1 KEY) (POWER) (AEP) 1-762-251-11 SWITCH, SLIDE (DOLBY NR) 1-762-251-11 SWITCH, SLIDE (DECK A TAPE TYPE) 1-762-747-11 SWITCH, PUSH (1 KEY) (DUBBING SPEED) 1-762-748-11 SWITCH, SLIDE (DECK B TAPE TYPE) <TRANSFORMER> T501 1-427-780-11 TRANSFORMER, BIAS OSCILLATION The components identified by mark 0 or dotted line with mark 0 are critical for safety. Replace only with part number specified.

RV502 RV503 RV504

REVISION HISTORY
Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. 1.0 1.1 1.2 Date 1996.05 2002.10 2003.12 New Correction of exploded views parts list (Ref.No.76).

(RPC-02005)

Description of Revision
Supplement-1: Suffix change of the main, SW and meter board.

(ENC-TCA00478)