![background image](http://html.mh-extra.com/html/sony/hcd-gx20/hcd-gx20_service-manual_420758028.webp)
28
28
HCD-GX20
5-9. Schematic Diagram – MAIN Section (3/4) –
• See page 34 for IC Block Diagrams.
11.4
4.4
4.7
11.4
4.3
4.6
5
13.6
13.6
13.6
5.6
9
15.4
0
0
0
0
0
0.8
0.7
0
4.3
2.9
11.9
12
12
4.6
0.7
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
4.6
9.2
0
0
4.6
4.6
4.6
4.6
4.6
4.6
24.6
0.6
13.6
13.6
4.8
13.6
CN402
26
27
49 50
20
19
21
51
2829
52 53 54
25
55
585960616263646566
67 69 70
80
71 74
75 76 77 78 79
4
5
6
9
10
MAIN BOARD
(3/4)
IC301
SOUND PROCESSOR
IC804
+5V REG
IC803
+5.6V REG
IC801
+9V REG
IC802
+12V REG
BUFFER
BUFFER
SWITCH
PROTECT CONT
PROTECT SWITCH
Q806,813
RELAY DRIVE
RELAY DRIVE
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299