Panasonic RM-G45PA Manuel utilisateur

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distribution is a violation of law.

RM-G45PA

Colour

(K)...........Black Type

Area

(A)...........U.S.A.

Audio System

AVCASBU0111002C1

1 Location of Controls 3

2 Disassembly Instructions 4

2.1. Removal of the main P.C.B. and sub (1) P.C.B. 4

2.2. Removal of the operation P.C.B. 4

2.3. Removal of the rubber contact, illuminator and buttons 6

2.4. Removal of the lamp 6

3 Schematic Diagram Notes 7

4 Schematic Diagram 8

5 Printed Circuit Board Diagram 17

6 Type Illustration of ICs and Diodes 23

7 Wiring Connection Diagram 24

8 Block Diagram 25

9 Modification of RM-G45PA for European/Australian/Japanese

Version 30

9.1. Modification Detail 30

9.2. Modification Printed Circuit Board 31

10 Terminal Function of IC 32

10.1. IC503(000874710): System Control 32

11 Replacement Parts List 33

12 Cabinet Parts Location 37

CONTENTS

Page Page

RM-G45PA

1 Location of Controls

1Preset channel (1) button

2Audio button

3Preset channel (2) button

4CB button

5I-COM button

6Preset channel (5) button

7A.SEL RPT/RDM button

8Preset channel (6) button

9Preset channel (3) button

:Volume knob

;FM1 button

<CD button

=AM button

>FM2 button

?AUX button

@WB button

AMODE knob

BPreset channel (4) button

1. FL (+)

I/O connector I/O connector

2. FL (-)

3. FR (+)

4. FR (-)

5. RR (+)

6. RR (-)

7. DISP GND

8. DISP SO

9. DISP SCK

10. RL (+)

11. RL (-)

12. HS OUT L(P)

13. HS OUT L(D)

14. SW GND

15. SW K13

16. SW K11

17. DISP CE

18. HS OUT R(P)

19. HS OUT R(D)

20. HS OUT E(P)

21. HS OUT E(D)

22. SW KS1

23. SW KS2

24. SW KS3

25. DISP REQ

26. GND (MAIN)

27. HS MIC DR

28. HS MIC PA

29. HS MIC E(D)

30. HS MIC E(P)

31. SW K14

32. SW K12

33. VBAT (ACC)

34. BU

1. AUX L

2. BUS L (-)

3. BUS L (+)

4. BUS R (-)

5. BUS R (+)

6. BUS (-)

7. BUS (+)

8. BUS SYS ACC

9. BUS +B

10. AUX R

11. BUS AUDIO GND

12. BUS GND

13. BUS GND

14. BUS ILLUMI

15. NC

16. NC

17. MUTE IN

18. AUX GND

19. PULSE

20. CB AUDIO MUTE

21. CB PERM

22. CB DET

23. CB SHIELD

24. CB MIC OUT

25. CB MIC GND

26. STARTER (MUTE)

27. CB STARTER (MUTE)

28. CB AUDIO GND

29. CB AUDIO IN

30. CB RST

31. CB PTT

32. CB SO

33. CB SI

34. CB SCK

AUDIO CB I-COM A.SEL

RPT/RDM

12345 6

FM1 FM2 WB

AUX

CD AM

MODEVOLUME

1234 5678

;=>?@

RM-G45PA

[Repair Advisory]

Prior to any repair, use the air gun to prevent the panel

buttons from being damaged by dust and sand particles.

2.1. Removal of the main P.C.B.

and sub (1) P.C.B.

2.2. Removal of the operation

P.C.B.

2 Disassembly Instructions

RM-G45PA

2.3. Removal of the rubber

contact, illuminator and

buttons

• Follow the (Step 1) -(Step 5) of item 2.2.

2.4. Removal of the lamp

• Follow the (Step 1) ,(Step 2) of item 2.2.

RM-G45PA

• This schematic diagram may be modified at any time

with the development of new technology.

Notes:

S602: Mode switch (MODE)

S603: Volume mode switch (V MODE)

S651: Audio switch (AUDIO)

S652: CB select switch (CB)

S653: Preset channel 1 switch (CH1)

S654: Preset channel 2 switch (CH2)

S655: Preset channel 4 switch (CH4)

S656: Preset channel 5 switch (CH5)

S658: I-com switch (I-COM)

S659: Auto select/repeat switch (A.SEL/RPT)

S660: Preset channel 3 switch (CH3)

S661: Preset channel 6 switch (CH6)

S662: FM1 select switch (FM1)

S663: FM2 select switch (FM2)

S664: Weather band select switch (WB)

S665: Aux switch (AUX)

S666: AM select switch (AM)

S667: CD select switch (CD)

• Indicated voltage values are the standard values for the unit

measured by the DC electronic circuit tester (high-

impedance) with the chassis taken as standard. Therefore,

there may exist some errors in the voltage values,

depending on the internal impedance of the DC circuit

tester.

No mark : FM

() :AM

<> :WB

• Important safety notice:

Components identified by mark have special

characteristics important for safety.

Furthermore, special parts which have purposes of fire-

retardant (resistors), high-quality sound (capacitors), low-

noise (resistors), etc. are used.

When replacing any of components, be sure to use only

manufacturer’s specified parts shown in the parts list.

• The supply part number is described alone in the

replacement parts list.

• Voltage and signal line

: Positive voltage line

: FM signal line

: FM/AM OSC signal line

: AM signal line

: WB signal line

: WB OSC signal line

: FM/AM/WB Vcap cont. signal line

: Main signal line

Caution!

IC and LSI are sensitive to static electricity.

Secondary trouble can be prevented by taking care during

repair.

Cover the parts boxes made of plastics with aluminum foil.

Ground the soldering iron.

Put a conductive mat on the work table.

Do not touch the legs of IC or LSI with the fingers directly.

3 Schematic Diagram Notes

RM-G45PA

4 Schematic Diagram

MAIN CIRCUIT

(FM/AM TUNER PACK)

1 2 3 84 5 6 7 9 10 11 12 13 14 15 16

ANT CN1

R14 10K

AM ANT

FM ANT

GND

VDO

FM VCC

OSC

GND

SEEK/IFC

SD/ST

AM OSC2

L OUT

R OUT

DET OUT

AM IF

3.3K

C10

0.01

DSP1

R1 100

C1 0.022

C2 0.1

R2 10

10V100

C4 0.1

DI0MA111L

DI1SV271L R9

3.3K

DI1SV271L

0.047

C7 0.018

C8 0.018

TP1

ANT

GND

VDD

OSC

GND

AF OUT

(WB TUNER PACK)

IC1

0005749000-T

20 19 18 17 16 15 14 13 12 11

1 2 3 4 5 6 7 8 9

3.3K

R12

2.2K

C11

25V1 R13

1.2K

C12

0.001

2SK1829

C14

16V47

10V100

R32

100K

R3 47

C13 0.047

R11

100

R21

100 D5

DI0MA111L

10K

TRC1037QL

R24

220K

R22 1K

C23 16V10

C22 0.01

R23 100

C26

330P

R31 0

C24

27P

C25

27P

(7.2MHz)

R26 1K

R27 1K

R28 470

R29 470

D6 DI0MA111L

C17

10V100

C18

16V10

47K

R33 100K

C19

16V10

GND

VDD

FM/AM

10K OSC

WB/AM

9K OSC

SD/ST

FM/AM IFC

CLK

SEEK

BAND

AM/FM

TU ON

C15

0.047

R30

2.2K R25

2.2

470uH

CLK

TRC114YUL-A

SWITCHING

PLL FREQUENCY

SYNTHESIZER

L.P.F.

TRB123YKL

POWER SUPPLY

TRB123YKL

POWER SUPPLY

TRB123YKL

POWER SUPPLY

TRB123YKL

POWER SUPPLY

SCHEMATIC DIAGRAM-1 Note: The number which noted at the connectors on the schematic diagram as

"SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2"

indicates the schematic diagram serial number located on the left corner in the schematic diagram.

ET1(x3)

RM-G45(PA) MAIN SCHEMATIC DIAGRAM

:FM/AM/WB V cap CONT.SIGNAL LINE

:FM/AM OSC SIGNAL LINE:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :WB SIGNAL LINE :WB OSC SIGNAL LINE

0V 0V 0V 0V5.2V

(0V) 3V

(3.6V)

2.4V 8V 2V

(0V)

5.8V

1.6V 5.6V

(2.2V)

3.6V

0V 3.6V

0V 4.2V

9.2V9.2V

(0V)

9.2V 2V

2.8V

(9V)

1.8V

(1.8V)

9.2V

5.4V

2.2V

(3.6V) 2.4V

3.6V

1.4V

5.4V

2V(0V) 0V

0V(9V)

0V(9V) 9V

9.2V

:AM SIGNAL LINE

9.2V

(0V)

9.2V

(9.2V)

1.8V

9.2V

1.4V

(3.6V)

2.4V

RM-G45PA

C111

1R104

82K

R106 1K

R105

15K

C108

50V1 C110

50V1 C123 10V100

R121 10K

C117

50V1

C118

330P R112

82K

R113

4.7K

C119 16V10

C126

16V10

C120

0.22 R115 4.7K

C121 0.047 C107 0.047

C103

330P

C105 16V10

C101

0.033 R101

4.7K

R102

82K

C112 50V1

R114 4.7K C106 0.22

C165 0.01

C166 0.0056

C102 0.0015

C128

0.0015

C164 0.0056

C163 0.01

C129 0.0015

C127 0.0015

C104

16V10

16151413121110987654321

33343536373839404142434445464748

R123

10K

C116

50V1 R122 10K

C115

50V1

R124

10K

R109 15KR110

82K

C114

R107

R116

6.8K

C155

50V0.47

RN114

6.8K

C156

50V0.47

R119

6.8K

C158

50V0.47

RN117

6.8K

C157

50V0.47

C125

0.033

IC101

000774960

ELECTRONIC VOLUME

CD/MDL+

CD/MDL-

FML

AML

AUXL

WBL

VDD

VREF

AUXR

WBR

AMR

FMR

CD/MDR-

CD/MDR+

LF IN

LAVss

LZCLP

DVss

MUTE

RAVss

RZCLP

TIME

RF IN

C64

0.033

IC2

000684180-T

AM NOISE CANCELER

C67

0.033

C66

0.033

C65

0.068

R63

12K

C62

50V0.22

C63

50V3.3

R62

100K

CONSTANT

VOLTAGE

CIRCUIT

SW2

SW1

HPF1LPF

AMP

PULSE

DETECTION

IF AGC

LPF AF

AMP AF

AGC

HPF

CONSTANT

CURRENT

CIRCUIT

CONSTANT

CURRENT

CIRCUIT

SW3 SW5

SW4

LEVEL

DETECT

CIRCUIT

PHASE

CIRCUIT HIGH

PASS AMP

OR NOISE

AGC

BUFFER AMP

PULSE

DET.2

PULSE

DET.1

GATE

PULSE

1 2 3 45 6 7 8

16 15 14 12 11 10 913

C56

0.001

C57

0.22

R58

47K

C61

0.01

C58

0.0068

R60

120K

R59

15K

C59

0.033

C60

0.068

C53

10V100

R51

R56

2.7K

C55

0.022

TP2

R57

15K

C37

0.018

C38

0.018

Q18

TRC144EUL-A

SWITCHING

Q17

TRC144EUL-A

SWITCHING

CD/MDL+

CD/MDL-

FM 10K

AUX L

AUX R

CD/MDR-

CD/MDR+

CLK

VO L

SP L

SP R

VO R

3.4V

C51

0.001

RM-G45(PA) MAIN SCHEMATIC DIAGRAM

C124

10V100

C113

0.033

0V0V

4.8V

4.6V

4.8V

4.6V

4.8V

9.2V

4.8V

4.6V

4.8V

4.6V

4.8V

4.4V

4.8V

1.4V 0V

(1) 2.4V 8V 1V 0V 3.4V 3.4V

3.4V3.4V

3.4V

3.4V8V

2.8V

(4)

0V0V 0V 0V 0V 0V 0V 0V

0V0V 0V

0V0V

SCHEMATIC DIAGRAM-2 :AM SIGNAL LINE:POSITIVE VOLTAGE LINE :FM SIGNAL LINE :WBSIGNAL LINE :MAIN SIGNAL LINE

9.2V

RM-G45PA

VO L

CN211

CN212

R171

3.9K

R172

22K

R174

22K

R173

3.9K

R175

3.9K

R176

22K

R178

22K

C171

50V0.33

C172

50V0.33

C173

50V0.33

C174

50V0.33 R177

3.9K

C175

16V22

Q107

TRC343TKL

R157

27K

R158

3.3K

R156

27K

R159

R155

3.3K

R153

27K

R154

3.3K

R152

27K

R151

3.3K

C184

50V0.22

C182

50V0.22

C181

50V0.22

C183

50V0.22

14 13

12 11

16 17

C185

50V1

R187

10K

C186

10V100

R188 1K

R189 1K

C189

50V0.47

R191

10K R195

C187

16V22

R185

R186

CN101

MUTING

Q109

TRC343TKL

MUTING

Q108

TRC343TKL

MUTING

Q112

TRA114YUL-A

MUTING CONT.

Q110

TRC343TKL

MUTING

GND

STBY

Vcc

GND

SVR

RL IN

RR IN

STD/HI

GND

Vcc

MUTE

GND

TAB

RL-

RL+

FL-

FL+

FL IN

SGND

FR IN

FR+

FR-

RR+

RR-

IC104

000874350

POWER AMP

D101

DIAN202KL

C207

10V100

C210

0.1

R218

10K

R214

R227

R228

R215

C211

0.1

C213

10V470

C212

10V100

C209

10V470

C208

16V470

C225

16V10

C214

16V470

C215

16V47

R216

330 C217

16V47 C220

50V1

C216

0.0039

C218

0.0039 C206

50V1

R217

330 C219

16V47

C222

50V1

C221

50V1

R221

10K

R222

10K

R223

2.7K

R224

2.7K

R219

33K

C223

16V22

D103

DIAN202KL

IC202

000774870

CB AUDIO

MIC OUT

MIC MUTE

ATT

AMB

AMB1

FM 10K

AU H/S

CB H/S

AMPON

CB BEEP SP

MUTE

CB SP

VO R

SP R

SP L

BEEP

L OUT

GND

Vcc

R OUT

STBY

SMTH

RIP

RNF

RIN

SGND

LIN

LNF

AMP

MUTE

AMPON

HS MUTE

POWER AMP

Q206

TRC343TKL

MUTING

Q111

TRC114YUL-A

MUTING

RL-

RL+

FL-

FL+

FR+

FR-

RR+

RR-

L OUT

R OUT

To AMB

CIRCUIT

(CN201) on

SCHEMATIC

DIAGRAM

To AMB

CIRCUIT

(CN202) on

SCHEMATIC

DIAGRAM

RM-G45(PA) MAIN SCHEMATIC DIAGRAM

MUTE

HS L

HS R

Q205

TRC343TKL

MUTING

Q205

SCHEMATIC DIAGRAM-3 :POSITIVE VOLTAGE LINE :MAIN SIGNAL LINE

To AMB

CIRCUIT

(CN131) on

SCHEMATIC

DIAGRAM

0V 0V

13V

12.8V

6.8V

3.4V

6.4V

12V

13V

12.5V

2.6V

9.2V 9.2V

13V

2.6V

RM-G45PA

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