Printed Wiring Board - Power Amp Board - Sony HCD-GN77D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7 - 2 7 . PRINTED WIRING BOARDS – POWER AMP Board – •
1 2
A
POWER AMP BOARD
B
C
D
MAIN
T E
L 1 3 9 4 2 2 9 6 5 1 3
BOARD D
(Page 48)
E
MAIN
E
BOARD
(Page 48)
F
SURROUND
N
BOARD
–
(Page 59)
G
+
w w w
H
.
http://www.xiaoyu163.com
See page 24 for Circuit Boards Location.
3 4 5
– +
x a o u 1 6 3
y
i
TRANS
O
BOARD
(Page 61)
http://www.xiaoyu163.com
8
6 7
FRONT SPEAKER SURROUND CENTER
(IMPEDANCE SPEAKER SPEAKER
USE 6–16Ω) (IMPEDANCE USE 8Ω) (IMPEDANCE USE 8Ω)
R L R L
Q Q
3 7 6 3 1
11
.
1-686-932-
(11)
57 57
2 4
9 9 8
8
SURROUND
K
BOARD
(Page 59)
5 1 5 0 8 9 2 4 9
• Semiconductor
Location
Ref. No. Location
D501 E-3
D502 D-2
D503 D-4
D504 D-5
D506 C-7
D507 B-5
D508 H-2
D509 H-2
D511 B-5
D541 G-3
D543 H-4
D551 E-3
D581 F-2
IC501 D-4
Q501 E-4
Q503 G-2
Q504 F-2
Q505 B-2
Q506 B-2
m
Q510 F-6
Q511 F-6
c o
Q514 B-2
Q516 H-5
Q517 H-5
Q518 B-2
Q551 E-4
Q581 F-2
HCD-GN77D
2
9 9
8 2 9 9