Sony MHC-S3 / MHC-SV7AV / TC-S3 Service Manual ▷ View online
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.
TC-S3
17
17
7-5.
SCHEMATIC DIAGRAM – LEAF SW Section –
7-6.
PRINTED WIRING BOARD – LEAF SW Section –
•
See page 13 for Circuit Boards Location.
PM901
PM902
A
CN311
IC1001
IC1002
A
B
C
D
1
2
3
4
5
6
7
8
9
10
11
12
(Page 16)
D1001
B-4
D1002
B-10
IC1001
B-2
IC1002
B-9
Q1001
B-3
• Semiconductor
Location
Ref. No.
Location
C1001
33
10V
S1004
(A. 120/70)
S1008
(B. 120/70)
A
MAIN BOARD
(2/2)
CN311
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.
• Voltages are dc with respect to ground under no-signal
conditions.
no mark : TAPE PLAY
(
no mark : TAPE PLAY
(
) : TAPE REC
(Page 15)
TC-S3
18
18
7-7.
SCHEMATIC DIAGRAM – PANEL Section –
7-8.
PRINTED WIRING BOARDS – PANEL Section –
•
See page 13 for Circuit Boards Location.
S316
S312
S313
S314
S315
D301
D300
R398
JW384
R400
R401
R399
S309
S308
R391
R392
R393
R394
S306
S307
S305
S303
S304
S302
S301
D303
D302
R388
R387
R390
R389
S310
S311
R395
R396
R397
LP301
NO304
TC-PANEL-B DECK BOARD
TC-SUB PANEL-B BOARD
TC-PANEL-A DECK BOARD
TC-SUB PANEL-A BOARD
M >
. m
N
N
n
n
x
NO303
NO302
1
5
1-680-720-
11
(11, 12)
7
1
B
MAIN
BOARD
CN314
NO303
NO302
1
5
REC PAUSE
/START
CD SYNC
DOLBY NR
DIRECTION
HI-DUB
EDIT
5
1
1-680-722-
1-680-721-
1-680-719-
1
5
NO301
NO301
5
1
5
1
M >
. m
N
N
n
n
x
A
B
C
1
2
3
4
5
6
7
11
(11, 12)
11
(11, 12)
11
(11, 12)
(Page 16)
D300
B-6
D301
C-6
D302
B-1
D303
C-1
• Semiconductor
Location
Ref. No.
Location
S301
S302
R387
R388
R389
R390
S303
S304
S305
D302
D303
R391
R392
R393
R394
S306
S307
S308
S309
S311
S310
R396
R397
R395
D301
D300
S316
S315
S314
S313
S312
R398
R399
R400
R401
NO303
NO303
NO302
NO302
NO301
NO301
NO304
330
470
560
680
SEL5423E-T
P15
SEL5423E-T
P15
1k
1.2k
1.8k
2.7k
4.7k
6.8k
3.3k
SEL5423E-T
P15
SEL5423E-T
P15
10k
15k
27k
56k
5P
5P
5P
5P
5P
5P
7P
B FWD
B REV
A REV
A FWD
A REV
A FWD
A REV
A FWD
A REV
A FWD
A FWD
A REV
A FWD
A REV
B REV
B FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-B-FWD
LED-B-REV
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-REV
LED-A-FWD
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
D+5V
DGND
KEY1
LED-A-FWD
LED-A-REV
DIRECTION
DOLBY NR
S311
S310
S307
CD SYNC
S308
HI DUB
S309
EDIT
REC PAUSE/
START
S306
S301
S302
S303
S304
S305
S316
S315
S313
S314
S312
D300,301
BACK LIGHT
BACK LIGHT
D302,303
(Page 14)
19
TC-S3
7-9.
IC PIN FUNCTION DESCRIPTION
•
MAIN BOARD IC310 PT8300-S (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Description
1
VSS
—
Ground terminal
2
RESET_B
I
Reset signal input terminal Not used
3
CLK
I
Serial data transfer clock signal input from the CD player section (CDP-S3)
4
LATCH
I
Serial data latch pulse signal input from the CD palyer section (CDP-S3)
5 – 8
P15 – P12
I
Not used (fixed at “L”)
9
P11
I
AMS signal input terminal “L”: AMS in
10
P10
I
Detection input from the deck-A half detect switch “H”: cassette in, “L”: no cassette
11
P9
I
Detection input from the deck-B play detect switch “H”: deck-B play
12
P8
I
Detection input from the deck-A play detect switch “H”: deck-A play
13
LATCHO
O
Serial data latch pulse output to the PT8300-S (IC311)
14
CLKO
O
Serial data transfer clock signal output to the PT8300-S (IC311)
15
DO1
O
Serial data output to the PT8300-S (IC311)
16
DI2
I
Serial data input from the PT8300-S (IC311)
17
P7
O
Tape deck relay on/off control signal output to the
µ
PC1330H (IC302)
18
P6
O
ALC on/off control signal output to the HA12226F (IC301)
19
P5
O
Deck-A/B selection signal output to the HA12226F (IC301)
20
P4
O
EQ high/normal selection signal output to the HA12226F (IC301)
21
P3
O
Recording bias on/off control signal output to the HA12226F (IC301)
22
P2
O
Recording muting on/off control signal output to the HA12226F (IC301)
23
P1
O
Dolby NR on/off selection signal output to the HA12226F (IC301)
24
P0
O
Tape deck line muting on/off control output to the HA12226F (IC301)
25
DO2
O
Serial data output to the CD player section (CDP-S3)
26
DI1
I
Serial data input from the CD player section (CDP-S3)
27
PULLUP
I
P8 to P15 Control pin for pull-up resisitor (fixed at “L”)
28
VCC
—
Power supply terminal (+5V)
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