Sony CFD-S20CP Service Manual ▷ View online
CFD-S20CP
29
29
IC B/D
C324
C230
C231
C232
R244
KH321
C132
C131
C130
R144
D323
R323
C323
IC304
C322
C129
C229
C325
R951
C952
C953
C951
R240
R140
R127
C133
R227
D322
C233
C957
C959
D324
R333
CNP323
J321
R232
R132
Q952
R322
R955
R954
R332
R331
R335
R334
C329
C321
R233
R133
C328
C146
C135
R135
C246
C235
R235
IC303
C327
R148
R128
R228
R248
R150
C150
R125
R149
R225
R249
R250
C250
C126
C125
C225
C226
Q124
Q224
R230
C228
C128
R130
R231
R131
R324
KH301
CNP322
R958
R959
D957
Q957
Q955
D953
R952
R953
R956
R957
Q951
R326
R325
Q122
Q222
SP301
SP302
D951
C147
C247
C239
C139
C122
C222
R964
R963
R962
R961
FB302
FB301
FB303
C331
C960
R960
Q953
JC314
ICP301
C324
R324
6-11. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) — • Refer to page 22 for Common Note on Schematic Diagrams and page 39 for IC Block Diagrams.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
(Page 37)
(Page 28)
Ver 1.3
CFD-S20CP
30
30
1
A
B
C
D
E
F
G
2
3
4
5
6
7
1-681-594-
(12)
12
C103
R210
R206
R201
R301
R-CH
HRP301
RECORD/PLAYBACK
HEAD
L-CH
YEL
RED
WHT
BLK
BLK
(CHASSIS)
R104
R103
R202
R203
R204
C104
C203
C204
C201
C205
C105
R305
R311
R101
C101
C308
JC304
R310
C310
R102
C107
C207
R307
C307
R306
C305
R308
C306
R303
JC301
R211
R205
JC303
R309
R304
JC302
R111
R105
R106
R302
R110
JC305
JC306
JC307
JC308
Q301
Q302
Q303
JC309
R112
R212
R314
R315
IC301
CN303
T301
C102
C302
C202
C301
C304
C303
S301
S301
(REC/PB)
REC
PB
-1
-2
6-12. PRINTED WIRING BOARD — TC SECTION — • Refer to page 19 for Circuit Boards Location and page 22 for Common Note on Printed Wiring Boards.
(Page 27)
IC301
C-4
Q301
B-3
Q302
B-5
Q303
B-5
• Semiconductor
Location
Ref. No.
Location
Ver 1.2
CFD-S20CP
31
31
IC B/D
R301
C301
R110
R101
C302
C205
R201
R210
R106
R206
R302
R303
R304
R309
C303
C304
R306
R111
R211
R203
R202
R103
R102
R308
C105
C103
C203
C306
C107
C207
C305
T301
C102
R104
R112
C104
R212
R204
C202
C201
C204
IC301
JC302
JC306
JC308
JC305
JC307
JC301
JC303
JC304
R314
R315
C310
C308
R311
R310
Q301
R307
C307
R305
Q303
Q302
JC309
CN303
C101
R105
R205
• Voltage and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
(
no mark : FM
(
) : PB
<
> : REC
[
] : CD PLAY
6-13. SCHEMATIC DIAGRAM — TC SECTION — • Refer to page 22 for Common Note on Schematic Diagrams and page 39 for IC Block Diagrams.
(Page 28)
• Waveforms
4Vp-p
1
Q301
C
(REC)
0.1V/div 5µsec/div
19.5µsec
2
T301, HRP301 (YEL)
10V/div 5µsec/div
40Vp-p
19.5µsec
Ver 1.2
CFD-S20CP
32
32
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
12
13
14
1-683-995-
1-683-996-
1-683-997-
MP3
FOLDER -
MEGA
BASS
VOL +
VOL -
POWER
SLEEP
SOUND
FOLDER +
x
> /
TUNE +
./
TUNE -
N X
REPEAT
MODE
RADIO BAND •
AUTO PRESET
DISPLAY •
ENT•
MEMORY
TAPE
CD
1
5
CNJ406
CNJ407
1
4
CNJ408
R429
R430
R433
R434
R435
R436
R437
R438
R440
R441
JC404
JC405
R444
R445
S420
S421
S422
S425
S428
S429
S430
S431
S426
S427
1
4
R422
R423
R424
R425
R421
C414
R426
R439
R447
S412
S413
S414
S415
S416
S417
D401
JW403
CNJ404
R443
R446
S419
S418
CNJ405
6-14. PRINTED WIRING BOARDS — CONTROL SECTION — • Refer to page 19 for Circuit Boards Location and page 22 for Common Note on Printed Wiring Boards.
(Page 27)
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