Read Sony ICF-CD831 / ICF-CD831L Service Manual online
ICF-CD831/CD831L
22
22
5-9. PRINTED WIRING BOARD — MAIN SECTION (ICF-CD831) — • Refer to page 15 for Circuit Boards Location and page 19 for Common Note on Printed Wiring Boards.
1
A
B
C
D
E
F
G
H
I
J
2
3
4
5
6
7
8
9
10
11
B
A
D
C
ANT1
C108
R120
R109
R209 C208
R220
R111
L2
CV1
R11
C15
L4
C201
R461
C465 C466
R472
D402
C117
C116
C217
C216
C116
C217
C216
R6
R5
R5
C13
T2
C10
C9
BPF1
C301
C207
TP103
TP203
C107
C460
W403
W402
S401
Z
PUSH
OPEN/CLOSE
KEY (A) BOARD
CN601
DRIVE BOARD
W401
POWER BOARD
CH901
CD BOARD
CNP702
R469
C440
Q401
CN501
C421
C457
R468
R467
L404
C456
R464
R463
D404
D403
Q403
R465
R471
R459
R456
R458
IC401
C447
C452
C459
C444
C409
X402
X401
R457
C441
L402
IC402
L401
W401
R444
R441
R443
R552
C12
C101
R4
C25
C20
C20
CF1
CF2
C21
T1
R10
R3
C109
R211
C209
C209
R119
R110
R219
R210
C2
C31
C34
C3
C36
R7
R13
R215
C304
R212
R115
C212
C213
C113
R909
Q903
Q202
Q101
Q201
IC301
IC1
R308
C909
C308
C307
C115
C908
R911
C913
R906
Q901
Q904
R903
R904
R905
Q902
R910
C918
C918
R116
R107
C221
R302
C203
C302
C23
C29
C912
R207
R217
R306
C305
R106
C121
C312
R213
R113
R303
C106
D302
Q203
Q103
Q301
Q102
R206
C206
C206
C105
C104
R103
R102
R102
R203
R202
C204
R202
C204
TP7
TP8
TP3
TP201
TP101
TP102
TP204
TP206
TP205
SP101
Lch SPEAKER
SP201
Rch SPEAKER
TP101
TP105
TP901
CN901
CN301
TP302
TP202
C205
C123
C223
R214
C210
R304
C303
C103
R301
D301
R201
R112
R117
R216
C112
R912
C911
C915
R908
R907
C916
D908
D907
D912
D913
D910
C914
D911
D909
C910
C917
C919
C215
R101
R114
C110
C8
C19
C11
C35
C17
L5
C14
C18
R551
C467
C464
D405
D401
C454
C455
C439
C451
R460
C450
R455
C446
C445
C442
C443
C417
C413
R413
R416
R417
C461
R415
R411
C410
C411
R409
R410
R401
R402
R403
R404
R405
R406
R407
R408
C401
C402
C403
C404
C405
C406
C407
C408
C416
C415
C414
R418
R419
R421
R425
R423
C449
C448
C463
R466
C462
R470
C438
C437
C436
C435
C434
C433
C432
B C E
B C E
B C E
B C E
B C E
B C E
B C E
Q1
B C E
B C E
B C E
B C E
R452
R451
R450
R449
R448
R447
R446
R445
C429
C430
C428
C427
C426
C425
C424
C423
JC2
R438
R439
R437
R436
R435
R434
R433
R432
R430
R429
R428
R427
R426
C420
C422
C551
C419
C418
C16
C37
C4
GRY
1
24
12
13
RV301
VOLUME
L1
AM FERRITE
ROD ANTENNA
CV1
TUNING
S1
BAND
S1
FM
AM
B
E
Q551
B
E
Q402
B
E
B
B C
E
E
21
1
80
61
1
3
60
14
1
1
9
20 21
1
41
40
40
1
5
4
1
1
1
3
D914
12
6
7
1-687-041-
11
MAIN BOARD
EXCEPT
IT MODEL
EXCEPT
IT, CET
MODEL
IT, CET
MODEL
EXCEPT
IT, CET MODEL
L3
IT MODEL
CND, AUS, MX MODEL
CND, AUS, MX
MODEL
IT, CET MODEL
IT, CET MODEL
C212
IC301
C112
6
7
FB21
FB11
R112
R116
R216
(Page 27)
(Page 25)
(Page 19)
(Page 26)
Ver. 1.3
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