Printed Wiring Boards - Power/Trans Boards - Sony SCD-XB770 Service Manual

SCD-XB770
5-21. PRINTED WIRING BOARDS – POWER/TRANS Boards – •
1 2
POWER BOARD
A
9
G
AUDIO
BOARD
CN301
(Page 43)
H
AUDIO
B 1
BOARD
CN306
(Page 43)
10
E
MAIN
BOARD
CN707
(Page 34)
1
C
3
J
1
DISPLAY
BOARD
CNP802
(Page 44)
D
E
C
B
E
F
• Semiconductor Location
Ref. No. Location
Ref. No. Location
D901 A-6 D918 E-6
D902 A-6 D919 E-6
D903 B-6 D920 E-6
D904 C-6 D921 D-2
D905 C-6 D922 D-1
D906 C-6 D923 B-2
D907 C-5
D909 D-5 IC901 B-3
D910 D-5 IC902 B-5
D911 E-5 IC903 A-4
D912 D-5 IC904 D-3
D913 E-5 IC905 E-3
D914 E-5 IC906 C-4
D915 E-5
D916 E-5 Q921 D-1
D917 E-6
See page 31 for Circuit Boards Location.
3 4 5
1
1
3
3
1
3
1
3
1
3
1
3
6 7 8
TRANS BOARD
2 1
CN991
2
(CHASSIS)
L901
LINE
FILTER
3
1
8
AC SW BOARD
2
1
1
S991
POWER
11
1-681-005- (11)
46 46
9 10 11
1
*
T902
POWER
TRANSFORMER
* NOT REPLACEABLE:
BUILT IN TRANSFORMER
AC IN
11
1-681-007- (11)
12
*
T901
POWER
TRANSFORMER
11
(11)
1-681-004-