Printed Wiring Boards -Power Section - Sony HCD-GZR7D Service Manual

Q Q
3 7 6 3 1 5 1 5 0
7-36. PRINTED WIRING BOARDS – POWER Section –
1 2
A
SUB-TRANS BOARD
PT902
POWER TRANSFORMER
(SUB)
B
AUS MODEL
C JW911
EXCEPT AUS MODEL
120V 220V 230-240V
JW925
2 3 4
AUS
MODEL
S901
1
D
VOLTAGE
SELECTOR
6
7 5
230-240V 220V 120V
EXCEPT AUS MODEL
T E
L 1 3 9 4 2 2 9 6 5 1 3
E
F
w w w
HCD-GZR7D/GZR8D/GZR9D
• See page 42 for Circuit Boards Location.
3 4 5
AC IN ~
LP904
LP903
D901
R910
FC901
JW903
CN901
JW905 EXCEPT
AUS MODEL
1 3
JW913
AUS
MODEL
EXCEPT
AUS MODEL
AUS
MODEL JW901
JW902
AUS MODEL
JW912
CN908
1 7
11
1-876-040- (11)
x a o
y
. i
http://www.xiaoyu163.com
• : Uses unleaded solder.
6 7 8
PT901
JW918 EXCEPT
AUS MODEL
Q Q
3 7 6 3
PT901
POWER TRANSFORMER
(MAIN)
u 1 6 3
.
79 79
2 4
8 9 9
9 10 11 12
TRANS BOARD
F909
JL901
F905
F904
F908
*
F906
F907
D911
(GZR9D) D908
R908
JW920
C909
(GZR7D/GZR8D)
D906
JW917
1 5 1 5 0 8 9 2
*
NOT REPLACEABLE:
BUILT IN TRANSFORMER.
• Semiconductor Location
Ref. No. Location
D901
D902
D903
D904
D905
D906
D907
( ) : HCD-GZR9D only
m
c o
HCD-GZR7D/GZR8D/GZR9D
2
8 9 9
13 14
D903
T
D902
D905
AMP FR & SW
BOARD
D904
CN443
R912 (Page 75)
C914
R914
R913
BLK
C907
LP901
(CHASSIS)
JL907
JW952
JW951
R903
Q902 JL916
C910
11
(11)
1-876-039-
B C E
4 9 8 2 9 9
N
MAIN BOARD
CN001
(Page 58)
Ref. No. Location
B-3 D908 D-11
B-13 D910 C-13
B-13 (D911) D-11
B-13
B-13 Q902 E-12
E-12 Q903 C-13
C-12