Printed Wiring Boards - Sub Woofer Section (Gt44/Gt55) - Sony HCD-GT22 Service Manual

HCD-GT22/GT44/GT55
7-24. PRINTED WIRING BOARDS – SUB WOOFER Section (GT44/GT55) –
1 2
A
SUB WOOFER BOARD
R520
R532
B
C517
L
MAIN
BOARD
CN271
CN501
(Page
1
3
37)
JW521
JW501
Q505
C
E
C514
R529
D
HCD-GT22/GT44/GT55
• See page 27 for Circuit Boards Location.
3 4
(GT55) (GT44)
(Page 44) (Page 46)
AMP AMP
Q1 Q2
BOARD BOARD
CN443 CN443
CN502
Q503
R534
E
R509
R508
JW522
C509
C506 C507
Q506
E
D501
R524
R503
JR501
C502
E
Q507
IC501
: Uses unleaded solder.
5 6 7
R517
C510
D504
E
JW516
Q502
JW507
JW506
JW505
JW509 -1 -2
R513 R514
E
Q501
48 48
8 9
SW-SP BOARD
CN504
4
1
R512
R525
R526
R527
CN503
1 4
12
(12)
1-868-919-
10
+
JK501
SUB WOOFER OUT
–
12
1-868-920- (12)
• Semiconductor
Location
Ref. No. Location
D501 C-4
D502 C-6
D503 C-6
D504 B-7
D507 C-2
IC501 D-4
Q501 D-6
Q502 B-6
Q503 B-3
Q505 C-2
Q506 C-3
Q507 D-3