Schematic Diagram - Main Section (1/4) - Sony HCD-GX20 Service Manual

HCD-GX20
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5-7. Schematic Diagram – MAIN Section (1/4) –
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ANTENNA
FM75Ω
AM
T E
L 1 3 9 4 2 2 9 6 5 1 3
4
IC102
PLL
IC B/D
CN704
B
TO
CD
BOARD
CN734
(Page 24)
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• See page 34 for IC Block Diagrams. • See page 19 for Waveforms.
MAIN BOARD
(1/4)
11.8
RF IF
9.6
AMP
5.6
4.9
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+B SWITCH
11.9
0
RV101
FM TUNED
LEVEL
0.022
0.022
IC101
AM FM IF MPX
Q Q
3 7 6
IC B/D
IFT101 T101
AM IF NULL
1
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.
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2 4
8 9 9
3 1 5 1 5 0 8 9 2
0 0
MUTE
MUTE
0.2
0.2
m
TO
c o
1
MAIN BOARD
(2/4)
2
8 9 9
4
5
3
TO
MAIN BOARD
(3/4)
6
4 9 8 2 9 9
TO
9 MAIN BOARD
4
(3/4)
10
11
2
TO
12
MAIN BOARD
(2/4)
13
14
15
16
4
TO
MAIN BOARD
17
(3/4)
18
2 3