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GND

AM EXT ANT FM EXT ANT 75 AM LOOP ANT JK101

L102

1

3 4 2

L101

1

4 3 2

5

1 2

C110 0.01 R110 1K

R152 0 R114 5.6K 22P 15P 0.47uH 100K 33K 18P 47P 2.7K 1P HVM27 AM ANT COIL
L101-L102 RLQB1R0KTD-D Z101 RLA2Z007-T 9

C107 0.047 3 8 HVM27 100K G S 3P

IC102 0.022 R112 100K C112 0.01 7 IC101 C108 8P FM/AM IF AMP DET/AM OSC MIX/ FM MPX C136 1000P 7P AM OSC COIL 100K HVM27 33K 33K 4P 330 8P HVM27 22P 1P 33P 10K220 1.2K R119 12K 1 2 0.022 470K 330 15P 8 150 220P 1uH 8P 5 4 6 0.022 G D S

8P

C134 27P

R138 3.3K

C133 27P

R130 10K

D

TUNER CIRCUIT

SCHEMATIC DIAGRAM - 3

PLL FREQUENCY SYNTHESIZER 22

LC72131MDTRM LA1833NMNTLM
C125 16V22 C132 C130 1000P 6.3V100 D101 UDZSTE175R1B C127 16V22 10K C126 1 4P R118 C109 3.3K C114 1000P 50V3.3 R113 10K C111 50V4.7 R116 1K R115 560 R111 390 10K 2P 18P 100uF 16V IFT
1 24 FM IF IN OSC OUT

Z120 (EN17290G1Y)

X103 RSXC7M20S05T

20

1

XIN

XOUT

R137 1K

19

2

Q101

CE

CE

VSS

18

FM IF AMP

3

PLLDA

DI

AOUT

R136 1K

17

4

PLLCK

CL

AIN

R135 1K

16

5

DO/ST

DO

PD

: +B SIGNAL LINE

IC102

2SC2058SPTA 2SC2058SPTA

R134 470 R151 82
2 23 AM MIX OUT OSC

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

Q102

FM IF AMP

Z102 5 RLI2Z021M-T

7

SWA

FMIN

13

8

SWB

AMIN

0.022 6

7

STRQ

MONO

C113 1000P
3 22 REG AFC AM RF IN

C102 16V100

12

9

3

FM AM RF IN GND

IFIN

R129 27K
4

21

10

11

6

POWER SUPPLY CONTROL (FM : ON)

R117 68K 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

2 C101 0.01

Q106

R139 22K

IC101
SD

KRA102MTA

R132 10K C148 0.01 C147 1000P
7

AM OUT ST

R126 1K

R103 100

DET OUT 8 FM DET

C116 0.033
18 17 PILOT IN 9 VCC 10 STRQ 11 MPX IN PILOT OUT

R120 47K C119 560P C139 50V4.7 R102 4.7K
16

R105 470

: FM SIGNAL LINE : FM OSC SIGNAL LINE

C103 0.01 R107 330 CF201 RLFFETNGD01L C104 R106 1000P 470K 1 3

R121 22K R143 22K

SD R124 33 X102 RLFDFT22DD

0V (0V) <0.7V>

DO/ST

0V

Q101 (0V) <11.5V>

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

0V (0V) <0V>

C120 16V10 C138 0.01

15 14 RCH FM/AM

C131 100P R123 68K C137 3300P C118 0.01 C122 50V1
12 13 MONO LCH

Q110
0V (0V) <0.7V> 0V (0V) <0V>

R109 330

<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

Q102

R140 22K

Q110

0V(0V)<11.5V>

C142 R142 50V1 6.8K C141 R141 50V1 6.8K R145 100K

CF201 C105 R108 RLFFETMGD01L 1000P 470K 1 3

2SC3311ARTA

C117 R146 0.01 100K

R104 10K

2

: AM SIGNAL LINE : AM OSC SIGNAL LINE

: FM/AM SIGNAL LINE

C143 4700P

0V (0V) <13.5V>

C144 6800P
13.6V (13.6V) <0V>

Q106

13.6V (13.6V) <13.6V>

RCH

CE

LCH

TUNGND 15V DO/ST SD

PLLDA DO/ST PLLCK

+7.5V DET_OUT

2A

1A

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

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