Sony MHC-S3 / MHC-SV7AV / TC-S3 Service Manual ▷ View online
TC-S3
13
13
SECTION 7
DIAGRAMS
7-1.
NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Boards:
•
•
X
: parts extracted from the component side.
•
: Pattern from the side which enables seeing.
• Indication of transistor.
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in
• All capacitors are in
µ
F unless otherwise noted. pF:
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
5
: fusible resistor.
•
C
: panel designation.
•
A
: B+ Line.
•
B
: B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : STOP
(
no mark : STOP
(
) : PB
〈〈
〉〉
: REC
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
E
: PB
a
: REC
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
• Waveforms
– MAIN Board –
– MAIN Board –
1
T301
4
(DECK-B REC mode)
2
Q301, 303 (collector) (REC mode)
3
NO312
6
(L-REC),
3
(R-REC)
(DECK-B REC mode)
120 Vp-p
13
µ
s
10 Vp-p
13
µ
s
52 Vp-p
13
µ
s
• IC Block Diagram
– MAIN Board –
– MAIN Board –
IC302
µ
PC1330HA
1
2
3
4
5
6
7
8
9
INVERTER
COMPARATER
SW R1
GND
SW P1 CONT
GND
VCC
SW P2 GND
SW R2
• Circuit Boards Location
LEAF SW board
HEAD (A) board
HEAD (B) board
TC-SUB PANEL-A board
TC-SUB PANEL-B board
TC-PANEL-A DECK board
TC-PANEL-B DECK board
MAIN board
TC-S3
14
14
7-2.
SCHEMATIC DIAGRAM – MAIN Section (1/2) –
•
See page 13 for Waveforms.
•
See page 13 for IC Block Diagram.
The components identified by mark
0
or dotted
line with mark
0
are critical for safety.
Replace only with part number specified.
CN314
R386
TP405
TP406
TP407
TP408
TP409
C335
T301
C336
R342
R343
Q302
C337
R344
C338
R345
C339
C340
R346
C341
C342
L302
L303
R369
C350
C349
C348
R368
R367
C384
C334
RV354
C382
L351
C383
C333
L301
C332
R321
R349
R348
C347
C367
Q304
Q305
TP344
TP343
TP345
TP346
TP347
TP348
C372
R371
C386
R372
C373
R373
R370
C371
TP342
TP341
TP340
C321
R330
C385
R331
R332
C323
R333
C322
C324
RV302
C374
C378
R376
R377
R378
R379
C379
R338
C329
R339
R337
C377
R375
C376
R336
C328
R335
R334
R340
C330
RV303
C380
R402
R403
R404
R405
Q301
Q310
R341
R347
TP370
Q303
C327
C326
RV304
CN1
HP901
HRPE901
CN2
IC304(2/2)
IC304(1/2)
IC303(2/2)
IC303(1/2)
NO313
NO312
IC302
R374
R380
7P
270
0.01
100V
100V
2.2
50V
50V
5.6
5.6
2SC2001
0.015
18k
0.0068
18k
0.0068
0.018
5.6k
1
50V
47
16V
470
10
50V
10
50V
0.1
1.2k
1k
27p
27p
220k
120p
27mH
330p
330p
27mH
120p
12k
4.7k
220
10 50V
0.001
BN1A4M
BA1A4M
100p
100
100
10V
10V
5.6k
0.022
130k
120k
390p
390p
120k
100
10V
10V
100
5.6k
0.022
130k
100p
100
16V
16V
2.2k
100
16V
16V
100p
220
22k
12k
270k
0.01
12k
0.01
270k
22k
100
10V
10V
120k
390p
220
100p
120k
220
220
100
16V
16V
2.2k
100
16V
16V
1.5k
820
1.5k
820
2SD1387
2SC2785
12k
22k
2SC2001
100
10V
10V
390p
220k
NJM4580MD-D
NJM4580MD-D
NJM4580MD-D
NJM4580MD-D
3P
8P
JW
JW
1
2
3
4
5
6
7
8
Y6
B-FWD
B-REV
A-REV
A-FWD
T1
T2
T4
T5
T
6
T
3
T7
SW
.R
1
GN
D
GN
D
G
N
D
SW
.P1
C
O
NT.
V
C
C
S
W
.P
2
S
W
.R2
L-PB
R-PB
+6V
L-PB
L-REC
R-PB
E-HOT
R-REC
E+6V
E+6V
E+6V
D+5V
DGND
5
6
8
7
3
2
4
1
DECK B PB AMP
5
6
7
4
8
3
2
1
DECK A PB AMP
REC/PB SWITCH
REC/PB SWITCH
Q304,305
CONTROL
CONTROL
REC BIAS
LEVEL SHIFT
Q302,303
BIAS OSC
L-PB
+6V
R-PB
L-PB
E+6V
L-REC
R-PB
E+6V
R-REC
E-HOT
E+6V
L-CH
R-CH
TAPE
ERASE
R-CH
L-CH
(REC/PB/ERASE)
(DECK B)
(DECK A)
(PB)
MECHANISM DECK
(CHASSIS)
(CHASSIS)
BLOCK
TCM-230AWR41
/230MWR41
LED-B-FWD
KEY1
LED-B-REV
LED-A-REV
LED-A-FWD
µ
PC1330HA
220
µ
H
220
µ
H
(Page 18)
(Page 15)
TC-S3
15
15
7-3.
SCHEMATIC DIAGRAM – MAIN Section (2/2) –
TP351
TP352
TP353
RV351
R357
R358
C354
R355
C356
C357
C358
C359
C311
R309
R310
C312
R308
C304
R305
RV301
R307
C318
C306
C307
C308
C309
R318
R319
C301
R300
C319
R303
C370
R350
C395
R351
C360
C353
TP356
CN310
CN309
CN308
EPT300
EPT302
TP320
TP321
TP322
TP323
TP324
TP325
TP326
TP327
TP328
CN311
TP329
TP330
TP331
TP332
TP334
TP333
TP335
TP336
R323
R325
R328
R327
C390
C391
C414
C415
R418
R419
C388
C389
R363
R364
TP394
TP393
TP392
TP391
TP390
TP389
R422
R423
R420
R421
C345
C346
TP395
TP396
TP397
TP398
TP399
TP400
TP401
TP402
TP404
TP386
TP385
TP384
TP383
TP382
TP381
TP380
TP379
TP378
TP377
C398
C399
C343
R324
R315
C316
R316
R313
R311
C315
R317
C344
C396
C397
TP371
TP372
TP373
TP374
TP375
TP376
TP308
TP307
TP306
TP305
TP304
C418
R406
D307
D309
D308
D306
TP318
TP303
TP302
TP301
TP300
TP309
TP310
TP311
TP312
TP313
TP314
TP315
TP316
TP317
TP354
C394
C303
R301
C310
C363
R362
R361
Q393
R359
R360
C362
Q391
Q392
Q394
R322
IC320
Q400
R413
R414
R415
R407
R408
R409
R416
R417
R412
Q395
Q396
IC301
C314
C313
TP355
C352
C317
C320
C302
R314
R354
C305
R304
C355
R356
C368
R302
C369
C351
C417
IC310
IC311
R306
IC321
10k
3.3k
33k
0.1
10k
1
50V
1
50V
10
50V
0.47
10
50V
1M
160k
0.47
50V
22k
0.1
10k
10k
3.3k
10
50V
1
50V
1
50V
10
50V
0.47
1.2k
4.7k
1
50V
22k
2.2
50V
100
2.2
50V
22k
10
50V
2.2k
470p
0.1
10P
5P
5P
17P
4.7k
47k
47k
4.7k
10
50V
470
16V
16V
10
50V
470
10V
10V
560
1k
10
50V
470
16V
16V
47k
1k
220
220
220
220
0.1
0.1
100p
100p
0.1
10k
10k
100
16V
16V
10k
10k
100k
4.7
50V
50V
390k
0.1
100p
100p
0.1
100
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
11ES2-NTA2B
10
50V
0.1
2.2k
470p
0.0047
1k
1k
2SB1116
1k
1k
0.0047
2SB1116
BA1A4M
BA1A4M
47k
BA12T
2SC2001
100
100
100
100
100
100
100
100
100
BA1A4M
2SD1387
HA12226F
10
50V
0.001
0.0047
100 10V
2.2
50V
50V
0.0047
33k
6.8k
0.47
50V
6.8k
0.47
50V
12k
10
50V
100
2.2
50V
50V
1
50V
0.1
PT8300-S
PT8300-S
12k
NJM7809FA
1
2
3
4
5
6
7
8
19
17
19
17
AHALF
APLAY
BPLAY
AHALF
BPLAY
APLAY
LM
NR
RM
BIAS
N/H
PB
ALC
ALC
PB
N/H
BIAS
RM
NR
A-REV
A-FWD
B-FWD
B-REV
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Z1
Z2
Z3
Z4
Z5
Z6
Z7
Y1
Y2
Y1
Y2
Y4
Y5
Y6
Y7
Y8
Y3
Y3
Y4
Y5
Y7
Y8
LM
X1
X2
X3
X4
X1
X2
X3
X4
X5
T
1
T
2
T3
T4
T5
T6
T
7
X
5
TCREC-L
TCREC-R
PB-L
PB-R
AGND
ASHUT
BSHUT
BHALF
REC/PB/PAS
D GND
CLK
LAT
DATA-OUT
DATA-IN
KEY
BTRIG
ATRIG
UNREG HI
M GND
M GND
+5V
+12V REGULATOR
+9V REGULATOR
SHIFT
LEVEL
(CHASSIS)
SYSTEM CONTROL
SYSTEM CONTROL 4
ST-S5/S3/VS77
FROM
FROM
CDP-S3/MCE-VS77
(CHASSIS)
SYSTEM CONTROL 5
CAPSTAN
CAPSTAN MOTOR
SPEED CONTROL
MOTOR DRIVE
Q391-394
TRIGER
DRIVE
PB AMP,
REC EQ AMP,
DOLBY B NR
LED DRIVE,
MOTOR DRIVER
CAP.M H/N
TRG/A
TRG/GND
CAPM(-)
CAPM(+)
TRG/B
A SHUT
D.GND
A HALF
A 120/170
B SHUT
A PLAY.SW
B HALF
B 120/170
B PLAY.SW
B METAL
(Page 14)
(Page 17)
TC-S3
16
16
7-4.
PRINTED WIRING BOARDS – MAIN Section –
•
See page 13 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D306
H-2
D307
I-6
D308
H-2
D309
H-5
IC301
F-3
IC302
B-4
IC303
C-1
IC304
B-3
IC310
F-6
IC311
E-6
IC320
H-3
IC321
H-4
Q301
B-6
Q302
B-6
Q303
B-6
Q304
B-5
Q305
C-5
Q310
C-6
Q391
C-5
Q392
D-5
Q393
D-5
Q394
D-5
Q395
E-4
Q396
D-4
Q400
H-5
R422
R415
C345
R324
JW305
JW307
JW306
JW308
JW321
JW388
R341
C347
CN314
CN308
JW310
RV302
C380
C377
C330
C327
R340
R405
R404
R339
R378
R338
R336
JW313
JW
349
R408
JW383
C346
R418
JW323
JW318
JW374
JW312
JW326
C384
C367
D309
D308
C342
C336
R345
JW382
C341
JW353
R369
R368
JW311
C383
C382
C349
R386
R321
JW354
L351
RV304
R349
R348
IC303
IC304
R347
C397
D307
R325
Q303
Q302
Q301
R367
R360
JW
350
R361
C394
Q391
R417
R328
JW380
Q396
JW379
JW360
Q395
Q392
Q394
Q393
R310
R309
C358
C311
C357
C368
C356
C355
R307
R306
R414
R304
C376
JW335
C304
C352
C309
R420
C312
R364
C340
C339
C338
C337
C335
C379
C329
JW319
R407
C354
C353
C302
JW351
JW331
JW369
R362
R359
R357
R358
R356
R355
JW316
R334
C378
JW304
R335
R375
R376
R344
C363
R351
JW
363
JW
359
R350
JW301
RV303
Q305
R303
C351
C317
C370
C369
C320
C319
JW320
JW309
C343
C301
R300
R301
JW338
JW
341
C359
C318
C308
C307
C306
C305
R317
R318
R319
R323
R327
JW377
JW332
R423
R346
R311
R322
JW
348
R314
C313
JW
358
C316
C315
C314
R412
C399
JW
362
R308
JW337
C310
EPT300
R409
C414
C390
C388
C415
C391
C389
R416
JW324
JW336
JW322
IC302
JW325
C398
R363
JW302
R406
JW352
R315
CN309
CN310
CN311
JW
364
R413
IC320
IC321
JW371
R305
C322
JW378
JW
345
JW339
JW373
C303
JW368
R419
RV354
JW333
RV351
C372
Q304
JW314
T301
1
6
2
5
3
4
JW381
R421
C360
C362
R342
C333
R343
Q310
JW
342
R377
C350
D306
R403
R402
C326
C374
C324
C386
C385
Q400
C321
R371
R332
R331
R330
R373
R372
R370
C371
R337
L301
C373
C323
R333
JW
346
C328
JW303
C332
JW376
JW
365
JW329
C334
JW
343
JW328
JW372
C396
C344
JW370
JW355
JW
361
JW
366
JW
344
JW340
JW330
JW367
JW375
JW327
JW334
R313
JW
347
R302
JW
357
JW356
RV301
R316
C395
JW385
C417
EPT302
NO313
NO312
C418
JW386
C348
L303
L302
R379
IC311
IC301
IC310
R354
JW317
MAIN BOARD
4
1
1
3
5
8
4
1
5
8
42
43
15
14
1
56
28
29
1
9
8
1
B
TC-PANEL-B DECK BOARD
NO304
E
E
E
E
E
E
E
E
E
E
E
E
7
(CHASSIS)
5
1
4
2
(CHASSIS)
SYSTEM CONTROL 4
FROM
ST-S5/S3/VS77
1
3
1
3
E
1-680-718-
1
1
10
5
SYSTEM CONTROL 5
FROM
CDP-S3/MCE-VS77
A
LEAF SW BOARD
CN1001
11
(11, 12)
A
B
C
D
E
F
G
H
I
1
2
3
4
5
6
7
8
9
10
HEAD (A) BOARD
HEAD (B) BOARD
(Page 17)
(Page 18)
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
this diagram isn’t mounted in this model.
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