Read Sony HCD-GX20 / MHC-GX20 Service Manual online
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
5
24
6
23
9
10
13
14
15
14
15
16
17
18
22
4
8
9
5
TO
MAIN BOARD
(1/4)
TO
MAIN
BOARD
(2/4)
TO
MAIN
BOARD
(4/4)
TO
MAIN
BOARD
(2/4)
TO
MAIN BOARD
(1/4)
TO
MAIN BOARD
(2/4)
MAIN BOARD
(3/4)
3
6
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
F
TO
POWER BOARD
CN502
(Page 33)
IC B/D
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