Printed Wiring Board - Bias Board - Sony STR-DA1ES Service Manual

STR-DA1ES/DB780
5-21. PRINTED WIRING BOARD – BIAS Board – •
1 2
BIAS BOARD
A
E
E
1 7
B
B C E
MAIN BOARD
N
CN550
(Page 30)
See page 20 for Circuit Boards Location.
3 4
E
E
E E E
1 7
1 7
B C E B C
MAIN BOARD MAIN BOARD
M Q
CN500 CN450
(Page 30) (Page 30)
5 6
E E
E
E
E
1 7
E
E B C E
E
MAIN BOARD
O
CN400
(Page 30)
34 34
7 8 9
E
E
E
E
E
1 7
B C E
MAIN BOARD
R
CN600
(Page 30)
10
1 4
1
IC803
S
MAIN
8 5
BOARD
6
CN809
(Page 30)
11
(11)
1-684-330-
• Semiconductor Location
Ref. No. Location Ref. No. Location
D431 A-5 Q434 A-6
D432 A-5 Q491 B-5
D481 A-4 Q482 B-4
Q483 B-5
D482 A-5
D531 A-3 Q484 A-5
D532 A-3 Q531 B-3
Q532 B-3
D581 A-2
D582 A-2 Q533 B-3
D631 A-6 Q534 A-4
Q581 B-1
D632 A-7
D805 A-8 Q582 B-2
Q583 B-2
D806 B-9
D807 A-9 Q584 A-3
D808 A-8 Q631 B-8
Q632 A-6
D817 A-9
Q633 B-7
IC803 A-10 Q634 A-7
Q802 B-9
Q431 B-6 Q803 B-8
Q432 B-5 Q804 A-9
Q433 B-5 Q805 A-8