Printed Wiring Boards - Main Section - Sony ICF-CD837 Service Manual

ICF-CD837
5-6. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 19 for Circuit Boards Location.
1 2 3
A
B
L1
AM FERRITE
ROD ANTENNA
T1
C
R13
C9
1
C8
IC1
D
C19
C23
24
L5
C35
C34
S1
BAND
FM
S1
CT2 CT3
E L2
AM
CV1-2 CV1-3
CV1-1 CV1-4
CT4
CT1
C1
F
RV301
VOLUME
RV301
JC4
JW303
G
H
I
ICF-CD837
4 5 6
MAIN BOARD
C111 C301
Q102 Q101
R107 C112
R106 B C E B C E
JW332 JW340
R101
R105
JW339
JW331
R205 JW338
JW330
R201
R206
E C B E C B E C B
Q201
R207 C212
Q1 Q202
C29
C211 C302
JW329
JW328
JW327
C205
JW325 C105
JW324
12
C11
C14
C17
13
C15
C452 C444
CV1
1
X402
IC402
C16
3 2
C37
JW323
JW322
C4
JW318
JW317
L4
JW316
JW315
CNP303 JW307
7
28
Q905 27
Q402
D913
1
D915
C
POWER BOARD
BH303
(Page 27)
: Uses unleaded solder.
7 8 9
GRY
R301
D301
Q551
R102 C107
JW353
CNP703
1
R310 C466
2
R308 C464
R309 C465
R202 C207
C467
JW352
JW351
JW350
C919 JW349
13
D916
14 JW348
D402
JW347
D401
C469
JW346
C455
JW345
C468
JW344
Q401
B C E
JW343
C421 C418
C440
X401
C441
L402
C417
61 60
R424
C416
R422
C415
R461 R420
C414
C447
R419
R415
R456 R416
R457
R414
80 41
R413
IC401
R459
1 40 R412
JW354
20 21
L401
W603
1
C470
C408
3
CNP402
D404 CNP901
2
6
D403
1
JW313
JW314
JW312
1
C913
C912
E C B
Q903
JW310
Q904
E C B
B C E
Q902
C916
Q901
11
C910
1-865-668- (11)
22 22
10 11 12
ANT1
(ANTENNA)
A CD BOARD
CNP702
(Page 20)
BRIGHTNESS BOARD
S651
S651
CD PLAY MODE
SHUFFLE REPEAT
SHUFFLE
REPEAT
NORMAL
R655 R651
R656 R652
R657 R653
R658 R654
RV601
RV601
BRIGHTNESS
HIGH
R660
LOW
W603
BLK
RED 3
GRY
GRY
BLK RED
1
D
11
1-865-672-
(11)
POWER BOARD
BH901
(Page 27)
B
DRIVE BOARD
CNP503
(Page 24)
• Semiconductor
Location
Ref. No. Location
D301 B-7
D401 C-7
D402 C-7
D403 G-9
D404 G-9
D907 I-7
D908 I-8
D909 I-8
D910 I-7
D911 I-6
D912 I-6
D913 H-4
D915 H-4
D916 C-7
IC1 D-3
IC401 F-8
IC402 E-6
Q1 B-4
Q101 B-6
Q102 B-6
Q201 B-6
Q202 B-6
Q401 D-8
Q402 H-6
Q551 B-8
Q901 I-8
Q902 I-8
Q903 I-8
Q904 I-6
Q905 G-4