HCD-GX20, MHC-GX20 - Sony Audio Service Manual (repair manual). Page 29

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29
29
HCD-GX20
5-10. Schematic Diagram – MAIN Section (4/4) –
4.0
0
0
0
0
12
11.8
0
0
0
0.7
11.9
11.9
11.1
4.8
4
4.4
4.4
4.4
4.4
4
0.7
0.7
0
0
0
5.6
4.4
4.4
4.4
4.4
0.7
0
0
0
0
0
0
6.6
1.2
1.9
0.7
0.7
5.8
1.5
2.1
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
TO
MAIN BOARD
(2/4)
TO
MAIN BOARD
(3/4)
49 50
51
52 53 54
55
58596061626364656671 67 69 70
80
74 75 76 77 78 79
MAIN BOARD
    
(4/4)
7
9
+
+
-
-
SPEAKER
TO
PANEL 
BOARD
CN691
E
(Page 31)
TO
POWER
BOARD
CN503
D
(Page 33)
SWIITCH
Q331,332
MUTE
Q315,316
MUTE
Q313,314
MUTE CONT
Q809,810
PROTECT DETECT
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
BUFFER
SWITCH
SWITCH
SWITCH
JK303
CN403
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