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

ICF-CD837
5-8. PRINTED WIRING BOARDS — DISPLAY SECTION — • Refer to page 19 for Circuit Boards Location.
1 2 3
DRIVE BOARD
A
(Page 25)
KEY BOARD
CNP602
E
B
6 2
5 1
C
CNP601
JW504
B C E
D
Q501
E
F
G
INDICATOR BOARD
H
Q682
D682
NAP
I
ICF-CD837
4 5 6
1
2
R508 R509
B C E B C E B C E B C E B C E B C E B C E
Q502 Q503 Q504 Q505 Q506 Q507 Q508
1
2
4
W604
: Uses unleaded solder.
7 8 9
LED501
LED INDICATPR UNIT
CNP501 18P
17
10 18
JW501
CNP502
JW502
R510 R511 R512 R513 R514
B C E B C E B C E B C E B C E B C E
JW503
Q509 Q510 Q511 Q512 Q513 Q514
CNP503
27
10 20
B
MAIN BOARD
(Page 22)
CNP1402
1
Q681
24 24
10 11 12
R523
Q515 Q516
Q517
R515
B C E B C E B C E
W604
28 4 1
1-865-671-
D681
11
1-865-673- (11)
CD/RADIO
13
11
(11)
• Semiconductor
Location
Ref. No. Location
D681 H-11
D682 H-2
Q501 D-3
Q502 D-4
Q503 D-4
Q504 D-5
Q505 D-5
Q506 D-5
Q507 D-6
Q508 D-6
Q509 D-7
Q510 D-7
Q511 D-8
Q512 D-8
Q513 D-8
Q514 D-9
Q515 D-11
Q516 D-11
Q517 D-12
Q681 H-8
Q682 H-3