Schematic Diagram -Main Section (4/4) - Sony HCD-GZR7D Service Manual

HCD-GZR7D/GZR8D/GZR9D
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HCD-GZR7D/GZR8D/GZR9D
7-19. SCHEMATIC DIAGRAM – MAIN Section (4/4) –
1
A
B
XVOICE
C
SCORE
MAIN
+9V
5
BOARD
GND
( 3 / 4 )
MIC
(Page 61)
MUSICL+R
D
E
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http://www.xiaoyu163.com
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2 3
MAIN BOARD (4/4)
R703
2.2k
8.2 0 0 2.9
8 7 6
1 2 3
0
0.5 0
R706
R705
1.5k
22k
Q Q
IC702
3 7 6 3
BUFFER
R709
100
8.2 0 0
8 7 6
1 2 3
0 0 0
R714
R712 R713
10k 4.7k
R728
u 1 6 3
.
62 62
2 4
9 9 8
4
R701
2.2k
R704
1.2k
5
IC701
BUFFER
4
R708
22k
R718
C706
8.2k
47
16V
C708
470p
1 5 1 5 0 8 9 2 4
R717 R719
C707
2.2k 100k
2.2
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0 8.2 4.1 4.1 3.7
5 8 7 6
4 1 2 3
R730
4.1
4.1 4
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4.7k
R729
0
R724 R725
47k 22k
C713
0
R727
2.2
2.2k
50V
C705
R716
47
C714
47k
R726
25V
47
4.7k
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5
C709
1
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R720
9 8 2 9 9
1k
IC703
R721
100k
BUFFER
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R722
4.7k
R723
4.7k
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C711
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C715
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