Sony CFD-S20CP (serv.man4) Service Manual ▷ View online
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)
CFD-S20CP
33
33
S419
S418
R443
R446
CNJ405
CNJ407
CNJ406
JC405
S422
R430
R429
S421
R444
S420
S425
S426
S427
S428
S429
S430
S431
R445
R433
R434
R435
JC404
R436
R437
R440
R441
R438
CNJ408
CNJ404
R421
C414
D401
R447
R422
R423
R424
R425
R426
R439
S412
S413
S414
S415
S416
S417
6-15. SCHEMATIC DIAGRAM — CONTROL SECTION — • Refer to page 22 for Common Note on Schematic Diagrams.
• Voltage is dc with respect to ground under no-signal
(detuned) condition.
no mark : FM
no mark : FM
(Page 28)
CFD-S20CP
34
34
1
A
B
C
D
E
F
G
H
I
2
3
4
5
6
7
8
9
10
8
1
ND401 LIQUID CRYSTAL DISPLAY PANEL
D402
OPR/BATT
5
4
3
2
1
>10
0/10
9
8
7
6
1-683-993-
1-683-994-
1
2
3
R428
C415
R419
R416
R417
R418
R418
R411
R412
R413
C409
C410
C413
C405
IC401
C403
R415
R414
C408
C407
C406
R420
R442
JC402
JC406
R472
R473
R474
JC407
C404
L401
1
5
10
15
20
25
30
32
CNJ403
R404
R405
R409
R410
C401
IC402
R427
R402
R403
R406
R408
R407
R401
R469
R475
R470
R471
R448
R449
S401
S402
S403
S404
S405
S406
S407
S408
S409
S410
S411
C402
JW404
JW402
CNJ401
CNJ402
JW406
JW405
JW408
JW401
6-16. PRINTED WIRING BOARDS — DISPLAY SECTION — • Refer to page 19 for Circuit Boards Location and page 22 for Common Note on Printed Wiring Boards.
(Page 27)
D402
B-8
IC401
C-4
IC402
H-9
• Semiconductor
Location
Ref. No.
Location
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