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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