Sony HCD-C990 Service Manual - Page 62
IC801
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HCD-C770/C990 7-31. PRINTED WIRING BOARDS - DC-DC CONVERTER Section - • See page 37 for Circuit Boards Location. • Semiconductor Location 1 2 3 4 5 Ref. No. Location D806 E-2 D807 E-2 D808 E-2 D809 E-2 D810 E-3 D812 C-5 A IC801 D-3 DDCON BOARD (COMPONENT SIDE) Q803 E-2 Q804 D-2 B (Page 64) C N CONTROL BOARD CNP804 DDCON BOARD (CONDUCTOR SIDE) G DVD BOARD CN005 D (Page 42) E DC- DC CONVERTER E E IC801 10 9 18 1 62 62 11 1-685-070- (11) POWER LED BOARD M KEY BOARD CN811 (Page 64) 1 P 2 POWER SW BOARD CNP911 (Page 69) 1 2 1-685-070- 11 (11) L FL BOARD CN805 (Page 66) D812 STANDBY 11 1-685-071- (11)
HCD-C770/C990
62
62
7-31. PRINTED
WIRING
BOARDS
– DC-DC CONVERTER Section –
•
See page 37 for Circuit Boards Location.
IC801
G
DVD BOARD
CN005
N
CONTROL BOARD
CNP804
M
KEY BOARD
CN811
P
POWER SW BOARD
CNP911
L
FL BOARD
CN805
9
1
10
E
DC- DC CONVERTER
STANDBY
D812
1
2
1
2
E
18
(COMPONENT SIDE)
DDCON BOARD
1-685-070-
11
(11)
DDCON BOARD
(CONDUCTOR SIDE)
1-685-070-
11
(11)
POWER LED BOARD
1-685-071-
11
(11)
A
B
C
D
E
1
2
3
4
5
• Semiconductor
Location
Ref. No.
Location
D806
E-2
D807
E-2
D808
E-2
D809
E-2
D810
E-3
D812
C-5
IC801
D-3
Q803
E-2
Q804
D-2
(Page 42)
(Page 64)
(Page 64)
(Page 69)
(Page 66)