Read Sony HCD-GX20 / MHC-GX20 Service Manual online
26
26
HCD-GX20
5-7. Schematic Diagram – MAIN Section (1/4) –
• See page 34 for IC Block Diagrams.
• See page 19 for Waveforms.
2.3
5.3
2.6
1
1
2.6
2.6
5.1
6.9
0
0
0
0
0
0
11.9
6.4
2.3
8
8
2.3
2.3
4.5
8.1
8
0
6.9
3.4
3.1
3.1
0.3
0
2.5
2.3
2.1
2.2
3.4
3.4
0
0
4.9
0
0
0
0.2
0.2
9.6
11.8
5.6
4
1
2
3
4
5
6
9
10
11
12
14
15
15
17
18
16
13
MAIN BOARD
(1/4)
TO
MAIN BOARD
(3/4)
TO
CD
CD
BOARD
CN734
(Page 24)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(2/4)
TO
MAIN BOARD
(3/4)
TO
MAIN BOARD
(2/4)
AM
ANTENNA
FM75
Ω
RF IF
AMP
+B SWITCH
3
4
2
4
1
B
IC102
PLL
IC101
AM FM IF MPX
0.022
0.022
MUTE
MUTE
RV101
FM TUNED
LEVEL
IFT101
AM IF
T101
NULL
CN704
IC B/D
IC B/D
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