Printed Wiring Board - Power Amp Section - Sony HCD-XGR99AV Service Manual

HCD-XGR99AV
Q Q
7-20. PRINTED WIRING BOARD – POWER AMP SECTION – • See page 21 for Circuit Boards Location.
3 7 6 3 1 5 1 5 0
1 2
PA BOARD
A
–
B
SUB TRANS
S
BOARD
(Page 49)
C
T E
L 1 3 9 4 2 2 9 6 5 1 3
D
E
F
w w w
G
3 4
TRANS TRANS
BOARD BOARD
Q
(Page 49) (Page 49)
+
E
E
Q403 E
Q407
E
L403
L404
L406
x a o
. i
CENTER
L
SPEAKER
(IMPEDANCE
SURROUND
USE 8–16Ω)
SPEAKER
(IMPEDANCE
USE 8–16Ω)
http://www.xiaoyu163.com
5 6
I
HEADPHONE
SUB AMP
O
R
BOARD
(Page 44)
Q801
Q Q
3 7 6
R423
1-687-269-
u 1 6 3
y
R L R
FRONT
SPEAKER
(IMPEDANCE
USE 8–16Ω)
42 42
http://www.xiaoyu163.com
2 4
8 9 9
7 8
BOARD
(Page 34)
MAIN
BOARD
G
(Page 33)
MAIN
BOARD
F
(Page 33)
3 1 5 1 5 0 8 9
11
m
(11)
c o
.
2
8 9 9
• Semiconductor
Location
Ref. No. Location
D401 C-5
D402 E-6
D403 D-2
D404 D-3
D405 F-7
D406 F-7
D407 F-5
D408 F-5
D409 E-4
D410 C-5
D801 C-5
D802 D-5
D803 D-4
D804 C-6
2 4 9 8 2 9 9
D805 D-6
D831 B-3
D833 A-4
D834 A-4
D835 A-4
D836 A-4
D841 A-5
D842 A-6
D843 A-6
D844 A-5
D851 C-5
D852 D-4
D853 A-3
D902 C-2
D903 C-2
D904 B-2
D905 B-2
D911 B-2
D912 A-2
IC801 D-5
IC901 B-2
Q401 E-7
Q402 E-7
Q403 D-3
D407 D-3
Q431 C-2
Q801 C-5
Q803 C-4
Q804 C-4
Q805 B-6
Q831 C-6
Q832 C-6
Q833 C-6
Q834 C-6
Q842 D-6
Q843 D-6
Q851 C-5
Q855 B-6
Q901 C-2
Q903 A-2
Q908 B-2