Sony CFD-S20CP (serv.man4) Service Manual ▷ View online
CFD-S20CP
29
29
IC B/D
C324
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
R150, 250
R148, 248
C250
C126
C125
C225
C226
Q124
Q224
R230
C228
C128
R130
R231
R131
R324
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
JC314
ICP301
Q953
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 1.2
CFD-S20CP
30
30
1
A
B
C
D
E
F
G
2
3
4
5
6
7
L-CH
R-CH
D
MAIN
BOARD
CNJ807
1-679-592-
(CHASSIS)
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
D-4
Q301
B-3
Q302
A-6
Q303
B-6
• Semiconductor
Location
Ref. No.
Location
CFD-S20CP
31
31
MAIN
BOARD
(1/2)
CNJ807
IC B/D
WHT
R110
R210
YEL
RED
BLK
C302
R201
C207
C201
C204
C203
R203
R204
R106
R304
R105
R205
R303
R302
R206
R202
C202
C205
JC301
JC303
JC304
CNP301
R305
R306
T301
Q301
R307
Q302
C310
C305
R308
C306
C304
C307
C308
R311
R310
R313
R312
R301
C301
C102
C104
C101
C107
R102
R101
R104
R111
C303
(CHASSIS)
R103
C103
C105
JC302
C106
C206
R211
R309
HRP301
• 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
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 -
OPERATE
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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