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SA-VK31EE
16.2. (B) Tuner/Main Circuit
SCHEMATIC DIAGRAM - 3
TUNER/MAIN CIRCUIT
Z1120
ENV17290G1Y
FM EXT
22P
15P
ANT
1
1
1P
75 OHM
2
3
GND
2
4
3
AM LOOP ANT
AM EXT
4
ANT
JK1101
5
AM ANT COIL
2
1
Z1101
RLA2Z007-T
R1110
1K
C1132
1000P
R1114
5.6K
C1133
27P
C1110
0.01
R1152
0
C1134
27P
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: +B SIGNAL LINE
: FM/AM SIGNAL LINE
2SC2620
2SK238
4P
8P
22
0.022
100
2SK360
8P
8P
33P
3
C1136
1000P
4
5
6
AM OSC COIL
8
9
7
R1119
12K
R1112
C1108
8P
100K
C1107
0.047
IC1101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX
R1111
390
R1113
10K
R1117
68K
C1111
50V4.7
R1115
560
R1116
C1112
1K
0.01
20
19
18
17
16
15
14
13
12
IC1102
LC72131MDTRM
PLL FREQUENCY SYNTHESIZER
1
2
3
4
5
6
7
8
9
R1138
3.3K
R1130
10K
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
C1103
R1107
CF1201
0.01
330
RLFFETNGD01L
IFT
7
1
3
R1106
C1104
1000P
470K
2
R1105
470
Q1101
100uF
16V
R1103
100
6
C1101
C1102
0.01
16V10
15P
8
2P
C1119
560P
R1120
47K
C1109
C1114
1000P
50V3.3
24
23
22
21
20
19
R1118
3.3K
IC1101
1
2
3
4
5
6
C1147
1000P
C1126
C1127
1
16V22
C1106
C1148
0.01
0.01
3
4
2
1
5
6
Z1102
G2BAE0000003
R1128
C1129
82
6.3V100
R1129
27K
C1124
100P
11
10
54
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
R1104
Q1106
10K
R1109
CF1202
330
RLFFETNGD01L
1
3
C1105
R1108
470K
1000P
2
Q1106
B1GCCFJJ0015
Q1102
TUNER 15V
Q1101, 1102
SUPPLY SWITCH
2SC2058SPTA
FM IF AMP
R1121
22K
C1120
16V10
R1143
22K
R1146
C1144
100K
4700P
C1117
R1142
0.01
6.8K
C1142
R1141
50V1
6.8K
C1141
50V1
R1145
100K
18
17
16
15
14
13
7
8
9
10
11
12
C1123
50V1
R1144
120
R1131
68
C1149
0.1
R1132
R1133
10K
1K
DET_OUT
A
+7.5V
B
SD
C
DO/ST
D
15V
E
PLLCLK
DO/ST
G
PLLDA
H
RCH
CE
LCH
TO
MAIN
CIRCUIT
F
(1B) ON
SCHEMATIC
DIAGRAM - 5
I
J
K
1A
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