Printed Wiring Boards - Power Supply Section - Sony CFD-E75L Service Manual

CFD-E75L
6-16. PRINTED WIRING BOARDS – POWER SUPPLY Section – •
1 2 3 4
A
BATY B BOARD
B
C
D
DRY BATTERY
1 2
SIZE "D"
(IEC DESIGNATION)
6PCS. 9V
E
BATY A BOARD
F
G
H
I
J
• Semiconductor Location
Ref. No. Location Ref. No. Location
D390 D-18 D909 C-12
D391 D-16 D910 C-12
D392 D-15 D913 F-8
D393 D-16 D914 G-8
D394 C-15
D901 F-13 IC390 D-14
D902 F-12
D903 F-12 Q191 E-17
D904 F-12 Q291 E-17
D905 I-18 Q390 D-17
D906 I-18 Q391 D-16
D907 D-12 Q392 D-17
D908 D-12 Q393 C-18
See page 23 for Circuit Boards Location.
5 6 7 8
BACK-UP BOARD
13
1-681-677-
(13)
DRY BATTERY
SIZE "AA"
(IEC DESIGNATION)
3PCS. 4.5V
2
1
1-681-676-
13
(13)
Note on Printed Wiring Boards:
• X : parts extracted from the component side.
• : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
9 10 11 12 13
2
13
1-681-678-
(13)
AC INLET BOARD
~AC IN
13
1-681-679- (13)
34 34
14 15 16 17
i
1
2
3
POWER BOARD
4
1
1
2
3
3
T901
POWER TRANSFORMER
18 19
(L-CH)
(R-CH)
3
1 F
2
MAIN BOARD
CN322
(Page 29)
C
MAIN BOARD
CN322
(Page 29)
13
1-681-671-
(13)