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SCHEMATIC DIAGRAM - 3
: +B SIGNAL LINE : FM SIGNAL LINE : AM SIGNAL LINE
: FM/AM SIGNAL LINE : FM OSC SIGNAL LINE : AM OSC SIGNAL LINE
TUNER/MAIN CIRCUIT
R104
1K Q106
TUNER PACK CIRCUIT CF201
C103
0.01 R107
330 CF202
RLFFETWND01M RLFFETWND01M
5.6P 2SK544 2.2P 2SC2786M 0.47U
FM EXT 1 3 1 3
ANT 7
1 C104 R106 R101
1 1.2U 1000P 470K 0
75 OHM 390 2 2
3.3P
680K
R105
18P
2
GND 2
470 Q101
1000P Q101
100K 100K
180P 1000P 2SC2058SPTA
3 FM IF AMP
3
AM LOOP ANT 6 Q106
220
4 100K
390 390
C101 C102 R103 KRA102MTA
AM EXT 4 0.01 16V10 270 TUNER 15V
ANT JK101 560K R121 SUPPLY SWITCH
C120
5 2SC1675l1l2 22K 16V10
4.7P
2.7K
680K 5.6P
8 R143 C138
2.2P 22K 0.01
50V4.7
C139
2.2P
C119
2SC2787FL1TA 680P
R120 R146
47K 100K
C144
R123 C118
C117 6800P
68K 0.01
R142
0.033
C116
0.01 6.8K
R102
50V4.7
3
4.7K
C115
C136 C114 C109 C142
AM ANT COIL 1000P 50V3.3 1000P 50V1 R141
6.8K
2 4
C141
5 50V1
3300P
C131
C137
150P
1 6 R145
AM OSC COIL 100K
9 8 7 24 23 22 21 20 19 18 17 16 15 14 13
Z101 R119 R118
AM RF IN
OSC OUT
OSC
RCH
LCH
AFC
RLA2Z007-T
AGC
AM OUT
MPX IN
PILOT IN
DET OUT
3.3K 3.3K
PILOT OUT
C143
6800P
R110 R112 C108
1K 100K 8P AM MIX OUT
C107
0.047 IC101
FM IF IN
AM IF IN
FM DET
FM/AM
MONO
STRQ
GND
REG
VCC
SD
ST
1 2 3 4 5 6 7 8 9 10 11 12
IC101
LA1833NMNTLM
FM/AM IF AMP
DET/AM OSC MIX/
FM MPX C123
50V1
C147
1000P C121
C127 C126 C106 50V0.47
16V22 1 0.01
R125
C148
470
0.01
3
C122
50V1
R126
R124
1K
RLFDFT22DD 33
R127
4
470
2
1
R122
2.7K
X102
5 6 R144
Z102 120
G2BAE0000003
R111 R131
390 120
R113 R128 C129 C149
C125 82
10K 16V22 6.3V100 0.1
R117 R129
C130 C132 47K 27K
D101 C111
B0BC5R000009 6.3V100 1000P
1000P
50V4.7
C113
R114 C124
5.6K 100P
R151
R115
82
560 R132 R133
10K 1K
C133 C112 R116
27P 0.01 1K
20 19 18 17 16 15 14 13 12 11
XOUT
VSS
AIN
IFIN
AMIN
VDD
AOUT
FMIN
PD
MONO
RSXC7M20S05T
IC102
X103
C110
0.01 LC72131MDTRM TGND
PLL FREQUENCY SYNTHESIZER 15V TO
MAIN
STRQ
SDC
XIN
DO
AM
CIRCUIT
FM
LW
CE
CL
DI
DO/ST
1 2 3 4 5 6 7 8 9 10 (2A) ON
R152 SD
0
SCHEMATIC
+7.5V DIAGRAM-9
1A
C134
27P
470
1K
1K
1K
R138
3.3K
RCH TO
MAIN
R135
R134
R136
CE
R137
LCH CIRCUIT
R130 PLLDA
(2B) ON
PLLCLK
SCHEMATIC
PLLDA
DO/ST
DO/ST
10K
DO/ST DIAGRAM-9
CE
SD
PLLCLK
1B