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18.2. (B) Tuner/Main Circuit
SCHEMATIC DIAGRAM - 3
TUNER/MAIN CIRCUIT
TUNER PACK CIRCUIT
5.6P 2SK544F-AC
FM EXT
ANT
1
1
75 OHM
2
GND
2
3
3
AM LOOP ANT
4
100K
AM EXT
4
ANT
JK1101
5
3
AM ANT COIL
2
1
9
8
Z1101
RLA2Z007-T
R1110
C1107
1K
0.047
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
C1132
1000P
R1114
5.6K
C1133
C1112
27P
0.01
20
C1110
0.01
1
R1152
0
C1134
27P
R1138
3.3K
R1130
10K
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: +B SIGNAL LINE
: FM/AM SIGNAL LINE
2.2P
2SC2786MTA
1.2U
390
1000P
100K
100K
180P
1000P
220
390
390
560K
2SC2787FL1TA
4.7P
680K
2.2P
2.2P
2SC2787FL1TA
C1136
1000P
4
5
6
AM OSC COIL
7
R1119
R1118
3.3K
3.3K
C1108
R1112
100K
8P
IC1101
FM MPX
C1127
16V22
R1111
390
R1113
10K
R1117
R1129
47K
27K
C1111
50V4.7
C1124
100P
R1115
560
R1116
1K
19
18
17
16
15
14
13
12
11
IC1102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
2
3
4
5
6
7
8
9
10
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
C1103
R1107
0.01
CF1201
330
RLFFETWND01M
0.47U
1
7
3
C1104
R1106
R1101
470K
1000P
2
R1105
470
Q1101
R1103
270
6
R1121
C1101
C1102
22K
0.01
16V10
5.6P
8
R1143
22K
C1119
680P
R1120
47K
C1109
C1114
1000P
50V3.3
24
23
22
21
20
19
18
IC1101
1
2
3
4
5
6
7
C1147
1000P
C1126
1
C1106
C1148
0.01
0.01
3
4
2
1
5
6
Z1102
G2BAE0000003
R1128
C1129
82
6.3V100
55
SA-VK31GC / SA-VK31GS
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
R1104
Q1106
1K
CF1202
RLFFETWND01M
1
3
0
Q1106
2
B1GCCFJJ0015
TUNER 15V
Q1101
SUPPLY SWITCH
2SC2058SPTA
FM IF AMP
C1120
16V10
R1146
C1144
100K
4700P
C1117
R1142
0.01
6.8K
C1142
R1141
50V1
6.8K
C1141
50V1
R1145
100K
17
16
15
14
13
8
9
10
11
12
C1123
50V1
R1144
120
R1131
120
C1149
0.1
R1132
R1133
10K
1K
+7.5V
A
SD
B
DO/ST
TO
C
15V
MAIN
D
CIRCUIT
PLLCLK
E
(1B) ON
DO/ST
SCHEMATIC
F
PLLDA
DIAGRAM - 5
G
RCH
H
CE
I
LCH
J
(1A)
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