Panasonic SA-AK52 Service Manual page 38

SA-AK52
SCHEMATIC DIAGRAM - 4
R104
1K
CF202
1 3
2
C125
D101
16V22 UDZSTE175R1B
C112
0.01
C133
27P
X103
C134
27P
R138
3.3K
R130
10K
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: FM SIGNAL LINE
: +B SIGNAL LINE
: FM OSC SIGNAL LINE
: FM/AM SIGNAL LINE
R121
C120
22K 16V10
C116 C138
0.033 0.01
C139
25V4.7
24 23 22 21 20 19 18 17 16 15 14 13
IC101
1 2 3 4 5 6 7 8 9 10 11 12
C106
0.01
Z102
3
2 4
1
5
6
R111
390
C132
C130
0.001
6V100
R113
10K
C111
25V4.7
R115
560
R116
1K
20 19 18 17 16 14 13 12 11
15
IC102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
1 2 3 8 9
4 5 6 7 10
R160
8.2K
R167
1.5K
38
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
13.6V
0V
(13.6V)
(0V)
<13.6V>
<13.5V>
Q106
KRA102MTA
POWER SUPPLY CONTROL
13.6V
(13.6V) (FM : ON)
<0V>
C117
0.01
C144
R146
C142
R142
0.0047
100K
50V1 6.8K
C141 R141
50V1
6.8K
R145 C143
100K 0.0047
IC101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
R131
68
15V
DO/ST
SD
+7.5V
MUTEA
R128
82
RCH
CE
LCH
PLLDA
DO/ST
PLLCK
R133
R125
R126
1K
1K 470
1A
TO
MAIN CIRCUIT
(1B) ON
SCHEMATIC
DIAGRAM-5
2A
TO
MAIN CIRCUIT
(2B) ON
SCHEMATIC
DIAGRAM-5