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Q Q
6-22. PRINTED WIRING BOARDS — TOUCH BOARD, LED BOARD —
3 7 6 3 1 5 1 5 0
1
2
A
B
(BACK LIGHT LED)
C
C786
C703
T E
L
1 3 9 4 2 2 9 6 5 1 3
D
E
F
C733
G
w w w
HCD-LF1H
• See page 27 for Circuit Boards Location.
3
4
R751
R750
R765
R755
C756
R770
R752
R761
D.C.S
E
E
Q724
Q723
C724
C723
FB731
x
a o
y
.
i
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:Uses unleaded solder.
5
6
FUNCTION
R762
C760
C763
Q
Q
3
7
6
PL
DTS
E
E
C722
Q722
Q721
u 1 6 3
.
49
49
http://www.xiaoyu163.com
2
4
8
9
9
7
8
VOLUME
(BACK LIGHT LED)
R763
R767
C764
R772
C767
3
1
5
1
5
0
8
9
2
DIGITAL
m
c o
HCD-LF1H
2
8
9
9
9
10
• Semiconductor
Location
Ref. No.
Location
D701
B-9
D721
F-7
(DISC EJECT LED)
D722
F-6
D723
F-4
D724
F-3
D725
F-8
D751
C-3
D752
C-4
D753
C-6
D754
C-7
D755
C-9
D785
B-9
D786
B-2
IC731
G-2
IC751
B-4
IC752
B-3
IC753
B-5
IC754
B-5
IC755
B-8
C785
IC756
B-8
Q721
G-7
Q722
G-6
Q723
G-4
Q724
G-3
4
9
8
2
9
9
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