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SCHEMATIC DIAGRAM-8
:POSITIVE VOLTAGE LINE
R104
10K
CF201
1
3
+B
FM
LINE
2
IC101
LA1833NMNTLM
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
B
C
(4.7V)
(6.1V)
(2.0V)
4.4V
5.8V
2.4V
24
23
22
1
2
3
2.0V
5.8V
2.0V
(6.1V)
Z102
1
4
1
3
2
3
6
2
:FM SIGNAL LINE
R109
330
R106
R108
470K
470K
C105
(0V)
1000P
(0V)
11V
C104
(0V)
(0V)
12V
1000P
0.7V
0.7V
Q101
Q102
2SC2058SPTA
2SC2058SPTA
FM IF AMP
FM IF AMP
(2.0V)
(1.5V)
(1.9V)
2.4V
1.3V
0V
2.3V
2.0V
2.0V
21
20
19
18
17
16
FM
0.12V
P- P
4
5
6
7
8
9
2.0V
0V
5.2V
3.8V
5.8V
(5.3V)
(6.1V)
A
B
:AM SIGNAL LINE
CF202
1
3
2
Q106
KRA102MTA
POWER SUPPLY
(FM:ON)
(0V)
14.6V
14.6V
0V
(14.6V)
2.0V
1.6V
1.6V
15
14
13
10
11
12
0V
4.7V
4.8V
(1.2V)
(4.3V)
R131
68
D
F
C E
B A
B
A
A
B
C
D
A
:AM OSC SIGNAL LINE
14.6V
C142
R142
50V1
6.8K
B
C141
R141
50V1
6.8K
A
7.7V
B
A
1
2
3
4
5
6
7
8
9
10
11
B
To
MAIN(DSC) CIRCUIT (
B
)
on SCHEMATIC DIAGURAM-9
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