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GND

AM EXT ANT JK101 FM EXT ANT 75 AM LOOP ANT 1 2 3 4

L102 RLQB1R0KTD-D

1 2

C110 0.01 1 4 3 2 5 R110 1K

R152 0 R114 5.6K

Z101 RLA2Z007-T 9

Z120 (RAL0029)

IC102 AM ANT COIL C107 0.047
2.7K

3

5.6P

8

IC101
100K

R112 100K

G

SCHEMATIC DIAGRAM - 3

MAIN/TUNER CIRCUIT

LC72131MDTRM
100K

C134 27P C112 0.01 7

C133 27P

FM/AM IF AMP DET/AM OSC MIX/ FM MPX

R130 10K
2.2P

R138 3.3K C108 8P

D

S

PLL FREQUENCY SYNTHESIZER 2SK544 RF AMP 0.001

LA1833NMNTLM

AM OSC COIL

C132 1000P D101 UDZSTE175R1B

X103 RSXC7M20S05T C136 1000P 4.7P

5

4

220

20

1

6

XIN

XOUT

CE C127 16V22 C109 3.3K C114 1000P 50V3.3 R118

C125 16V22

2.2P

CE

VSS

100K

19

2

R137 1K

PLLDA

560K

DI

AOUT

C126 10

180P 1.2u

18

3

R113 C130 10K 6.3V100 C111 50V4.7

R136 1K

PLLCK R116 1K R115 560 R111 390

17

4

CL

AIN

820K

: +B SIGNAL LINE : +B SIGNAL LINE

390 2SC1675L1L2 BUFFER AMP LOCAL OSC

R135 1K

DO/ST R119 4.7K 1 2

16

2.2P

5

DO

PD

3.3P 10P

2SC2786M FM MIXER

IC102

R134 470
1 24 FM IF IN OSC OUT

15

6

<2.6V> (2.61V) ((2.61V)) 2.62V <0.55V> (0.55V) ((0.77V)) 0.55V <0.02V> (0.02V) ((0.23V)) 0.02V <0.02V> (0.02V) ((4.75V)) 0.02V <5.15V> (5.16V) ((5.03V)) 5.16V <5.01V> (0.18V) ((5.19V)) 5.19V

AM

VDD

14

680K

0.001

Z102 5 RLI2Z021M-T

7

SWA

FMIN

R151 82
2 23 AM MIX OUT OSC

13

8 3 22 REG AFC AM RF IN

SWB

AMIN

390

390

0.47u

10P

12

9

STRQ

MONO

8

6

7

3

C113 1000P R129 27K
21 4 AM RF IN GND

C102 16V10

10

11

FM

IFIN

6

R117 47K C106 0.01 C124 100P
5

R133 1K 4
6

<4.66V> (4.98V) ((4.83V)) 4.83V <0.02V> (0.02V) ((4.43V)) 4.43V <0.05V> (12.3V) ((12.31V)) 12.25V

<2.59V> (2.6V) ((2.6V)) 2.6V <0V> (0V) ((0V)) 0V <5.64V> (1.84V) ((12.33V)) 12.26V <0.81V> (0.9V) ((0V)) 0V <0.81V> (0.9V) ((0V)) 0V <1.15V> (5.16V) ((5.16V)) 5.17V <2.58V> (0V) ((0V)) 0V <0V> (2.49V) ((2.59V)) 2.59V <0V> (0V) ((0V)) 0V <0V> (0V) ((0V)) 0V

AGC

C115 50V4.7
20 19

C101 0.01

IC101
SD

R132 10K C148 0.01 C147 1000P R124 33 X102 RLFDFT22DD
7

AM OUT ST

2

R143 22K
18 DET OUT 8 FM DET 17

R120 47K C119 680P R102 4.7K R121 22K

R126 1K

R103 270

SD

C103 0.01

: FM SIGNAL LINE : FM OSC SIGNAL LINE

C139 50V4.7

R105 470

C116 0.033

DO/ST

PILOT IN 9 VCC 10 STRQ 11 MPX IN PILOT OUT

CF201 RLFFETWND01M C104 R106 1000P 470K 1 3

R125 470 R127 470 R122 2.7K R131 68 C149 C129 6.3V100 0.1 R128 82 C121 50V0.47 C123 50V1

C131 150P
16 15 14 RCH FM/AM
0V (0V) <0.7V>

C138 0.01 R123 68K C137 3300P C118 0.01 C122 50V1
12 13 MONO LCH

C120 16V10 Q101 FM IF AMP

0V (0V) <11.5V>

R107 330

0V (0V) <0V>

R104 1K

Q101

2

<2.08V> (2.07V) ((2.09V)) 2.09V <6.1V> (6.42V) ((6.27V)) 6.28V <2.08V> (2.07V) ((2.07V)) 2.08V <2.06V> (2.06V) ((2.08V)) 2.07V <0V> (0V) ((0V)) 0V <5.15V> (5.14V) ((4.22V)) 5.12V <5.15V> (5.16V) ((5V)) 5.16V <3.97V> (5.15V) ((4.13V)) 4.12V <6.1V> (6.43V) ((6.17V)) 6.27V <0.02V> (0.02V) ((3.68V)) 3.68V <5.01V> (1.32V) ((5.19V)) 5.19V <3.66V> (4.55V) ((3.76V)) 3.72V

<4.68V> (5.01V) ((4.85V)) 4.85V <6.11V> (6.42V) ((6.27V)) 6.27V <2.42V> (2.06V) ((2.46V)) 2.46V <2.42V> (2.06V) ((2.46V)) 2.46V <0.16V> (0.75V) ((0.25V)) 0.25V <2.02V> (1.25V) ((2.02V)) 1.86V <2.39V> (1.56V) ((2.36V)) 2.36V <2.06V> (2.06V) ((2.07V)) 2.07V <2.07V> (2.07V) ((2.08V)) 2.08V <2V> (2.01V) ((2.02V)) 2.02V <1.7V> (1.75V) ((1.76V)) 1.76V <1.69V> (1.76V) ((1.78V)) 1.77V

CF202 RLFFETWND01M 1 3

C142 R142 50V1 6.8K

C117 R146 0.01 100K

C141 R141 50V1 6.8K R145 100K

2SC2058SPTA

: AM SIGNAL LINE : AM OSC SIGNAL LINE

: FM/AM SIGNAL LINE

Q106 KRA102MTA

POWER SUPPLY CONTROL (FM : ON)

C143 4700P

0V (0V) <13.5V>

C144 4700P
13.6V (13.6V) <0V>

13.6V (13.6V) <13.6V>

RCH

CE

LCH

TUNGND 15V DO/ST SD

PLLDA DO/ST PLLCK

+7.5V MUTEA

2A

1A

TO MAIN CIRCUIT (2B) ON SCHEMATIC DIAGRAM-4

TO MAIN CIRCUIT (1B) ON SCHEMATIC DIAGRAM-4