Sch3

SWA

SWB

STRQ

FM

C132 C130 1000P 6.3V100 D101 UDZSTE175R1B

R130 10K

R137 1K

C112 0.01

18

17

16

15

R138 3.3K C111 50V4.7

R115 560 Z102 5 RLI2Z021M-T

14

13

12

11

1

2

3

4

5

6

7

8

9

10

R133 1K

3 C106 0.01

2

IC102

R104 1K

C103 0.01 R107 330 CF201 RLFFETWND01M C104 R106 1000P 470K 1 3

0V (0V) <0.7V>

R121 22K R143 22K

5 6 7 8

IC101

1 4

R126 1K

C120 16V10 C138 0.01

Q110

R152 0

C125 16V22

R132 10K

R125 470

R134 470

R117 47K

0V (0V) <0.7V>

R124 33

0V (0V) <0V>

C117 R146 0.01 100K

C142 R142 50V1 6.8K

3

15 14 13

9 10 11 12

R127 470

C144 4700P

FM IF AMP

C123 50V1

MAIN/TUNER CIRCUIT

3300P C118 0.01

: FM SIGNAL LINE : FM OSC SIGNAL LINE

C121 50V0.47

IC101

16 LCH

17 RCH

18

MONO

C139 50V4.7

FM/AM

8 C131 150P R123 68K C137

R139 22K

MPX IN

680P

R105 470

PILOT OUT

R102 4.7K

Q101

2SC2058SPTA

VCC

19 PILOT IN

20 DET OUT

Q106

KRA102MTA

STRQ

FM DET

4 ST

21

R120 47K C119

2

X102 RLFDFT22DD

3

C101 0.01

C147 1000P

C136 1000P C116 0.033

15P

AM OUT

2P 18P

SD

33P C115 50V4.7

0.022 C102 16V10

C148 0.01

2 22

AGC

1 23

AM RF IN

150

GND

330

10K

7

AM RF IN

24

AFC

<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

0.022

OSC

REG

OSC OUT

AM MIX OUT

100uF 16V IFT

R129 27K

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

LA1833NMNTLM FM IF IN

0.022

1uH

4P

C124 100P

C108 8P

IFIN

7 470K

D

MONO

6

220P

D

C113 1000P

<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

8P

R151 82

G

FMIN

0.022 10K220

3

AMIN

19

VDD

5

22P 1P

4P

1.2K

8P

R119 12K

S 10K

330

33K 33K

8P

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

AM

20

PD

4

R118 C109 3.3K C114 1000P 50V3.3

AM ANT COIL

POWER SUPPLY CONTROL (FM : ON)

DO/ST

IC102

DO

C134 27P HVM27

: +B SIGNAL LINE

SD

PLL FREQUENCY SYNTHESIZER

LC72131MDTRM HVM27

TUNER PACK Z120 (EN17290G1Y)

DO/ST

C133 27P

AIN

R112 100K C127

AM OSC COIL

CL

C110 0.01 C107 0.047 100K

16V22

5

R135 1K

R114 5.6K 8 7P

PLLCK

C126 1

1

AOUT

2

DI

Z101 RLA2Z007-T 9

3P

R136 1K

47P 100K

22

PLLDA

R110 1K 33K 18P

VSS

JK101 S

CE

4 G

CE

3 4 1P

<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

AM LOOP ANT HVM27

XOUT

2 0.47uH 100K

1

XIN

AM EXT ANT 22P 15P

<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

2

X103 RSXC7M20S05T

GND

HVM27

1

2.7K

FM EXT ANT 75

L102 RLQBR39KTD-D

SCHEMATIC DIAGRAM - 3 : AM SIGNAL LINE : AM OSC SIGNAL LINE : FM/AM SIGNAL LINE

0V (0V) <13.5V>

CF202 RLFFETWND01M 1 3

Q106 13.6V (13.6V) <13.6V>

13.6V (13.6V) <0V>

0V

Q101 (0V) <11.5V> 0V (0V) <0V>

2

6 R103 270 0V(0V)<11.5V>

2SC3311ARTA DC DETECT SWITCH

Q110

R140 22K

C141 R141 50V1 6.8K R145 100K

C143 6800P

C122 50V1

R122 2.7K

6 R131 68 C149 C129 6.3V100 0.1

R111 390 R128 82

R113 10K

R116 1K

TUNGND 15V DO/ST SD

RCH

PLLDA DO/ST PLLCK

LCH

1A

+7.5V DET_OUT

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

CE

2A

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