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Panasonic RM-G45PA Service Manual

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RM-G45PA
Colour
(K)...........Black Type
Area
(A)...........U.S.A.
© 2001 Matsushita Electric Industrial Co., Ltd. All
rights
reserved.
distribution is a violation of law.
AVCASBU0111002C1

Audio System

Unauthorized
copying
and

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Summary of Contents for Panasonic RM-G45PA

  • Page 1: Audio System

    AVCASBU0111002C1 Audio System RM-G45PA Colour (K)...Black Type Area (A)...U.S.A. © 2001 Matsushita Electric Industrial Co., Ltd. All rights reserved. Unauthorized copying distribution is a violation of law.

  • Page 2: Table Of Contents

    7 Wiring Connection Diagram 2 Disassembly Instructions 8 Block Diagram 2.1. Removal of the main P.C.B. and sub (1) P.C.B. 9 Modification of RM-G45PA for European/Australian/Japanese 2.2. Removal of the operation P.C.B. Version 2.3. Removal of the rubber contact, illuminator and buttons 9.1.

  • Page 3: Location Of Controls

    RM-G45PA 1 Location of Controls <Front side> 1 Preset channel (1) button 2 Audio button 3 Preset channel (2) button 4 CB button A.SEL AUDIO I-COM RPT/RDM 5 I-COM button 6 Preset channel (5) button 7 A.SEL RPT/RDM button 8 Preset channel (6) button...

  • Page 4: Disassembly Instructions

    RM-G45PA 2 Disassembly Instructions [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...
  • Page 5 RM-G45PA...

  • Page 6: Removal Of The Rubber Contact, Illuminator And Buttons

    RM-G45PA 2.3. Removal of the rubber 2.4. Removal of the lamp contact, illuminator and • Follow the (Step 1) , (Step 2) of item 2.2. buttons • Follow the (Step 1) - (Step 5) of item 2.2.

  • Page 7: Schematic Diagram Notes

    RM-G45PA 3 Schematic Diagram Notes • This schematic diagram may be modified at any time Put a conductive mat on the work table. with the development of new technology. Do not touch the legs of IC or LSI with the fingers directly.

  • Page 8: Schematic Diagram

    RM-G45PA 4 Schematic Diagram Note: The number which noted at the connectors on the schematic diagram as SCHEMATIC DIAGRAM-1 "SCHEMATIC DIAGRAM-1" or "SCHEMATIC DIAGRAM-2" indicates the schematic diagram serial number located on the left corner in the schematic diagram. MAIN CIRCUIT...
  • Page 9 RM-G45PA SCHEMATIC DIAGRAM-2 :POSITIVE VOLTAGE LINE :FM SIGNAL LINE :AM SIGNAL LINE :WB SIGNAL LINE :MAIN SIGNAL LINE 9.2V 9.2V C111 R104 9.2V C101 R101 0.033 4.7K C103 R102 TRC144EUL-A 330P SWITCHING FM 10K C112 50V1 VO L TRC144EUL-A RN114...
  • Page 10 RM-G45PA SCHEMATIC DIAGRAM-3 :POSITIVE VOLTAGE LINE :MAIN SIGNAL LINE 9.2V 9.2V IC104 000874350 C171 R171 R151 C183 POWER AMP 50V0.33 3.9K 3.3K 50V0.22 Q107 C185 TRC343TKL 50V1 MUTING AMPON R187 STBY Q108 C186 TRC343TKL 10V100 MUTING C172 R173 R154 C181 R185 50V0.33...
  • Page 11 RM-G45PA SCHEMATIC DIAGRAM-4 :POSITIVE VOLTAGE LINE 9.2V 9.2V 5.2V 5.2V R510 2.2K BUS IRQ SPEED Q508 TRA1037QL SPEED R524 CONT. C525 R509 0.01 4.7K FANC A/D R527 R512 4.7K MODE A/D R504 64 63 62 61 2.2K R505 RN503 2.2K 2.2K...
  • Page 12 RM-G45PA SCHEMATIC DIAGRAM-5 :POSITIVE VOLTAGE LINE 9.2V 9.2V 5.2V 5.2V Q505 TRC2412QL R516 CB PERM SWITCHING CB SO Q525 TRC114YUL-A SWITCHING Q526 4.4V 4.4V TRC114YUL-A SWITCHING IC502 000774350-T RESET Q524 TRC114TUL-A INTERFACE CB SCK 2.4V CB AUDIO MUTE R522 Q521...
  • Page 13 RM-G45PA SCHEMATIC DIAGRAM-6 :POSITIVE VOLTAGE LINE Q503 5.2V TRB123YKL L501 POWER SUPPLY 4.7 H 5.2V Q502 TRA1703R8 5.2V POWER SUPPLY 12.4V 5.2V Q501 Q504 TRC1037QL TRC114YUL-A POWER POWER SUPPLY 5.6V SUPPLY CONT. CONT. SW5V 4.2V HS MIC IN C409 R407...
  • Page 14 RM-G45PA SCHEMATIC DIAGRAM-7 :POSITIVE VOLTAGE LINE :MAIN SIGNAL LINE CN701 FL(+) FL(-) FR(+) FL(-) RR(+) RR(-) DISP GND DISP SO DISP SCK RL(+) RL(-) L OUT HS OUT L(P) C711 0.001 HS PUT L(D) SW GND SW K13 SW K11...
  • Page 15 RM-G45PA SCHEMATIC DIAGRAM-8 AMB CIRCUIT :POSITIVE VOLTAGE LINE 9.2V IC103 000474780-T SIGNAL SELECTOR CN131 CB AUDIO R167 100K R163 4.7K MAIN R161 100K MIC MUTE C161 C140 50V1 CIRCUIT R133 16V10 (CN101) on C142 SCHEMATIC AMB1 16V10 DIAGRAM-3 FM 10K...
  • Page 16 RM-G45PA SCHEMATIC DIAGRAM-9 :POSITIVE VOLTAGE LINE OPERATION CIRCUIT PL656 PL655 PL653 PL652 PL651 PL654 R609 R603 5.6K S602 MODE LAMP MAIN FANC A/D CIRCUIT MODE A/D S603 (CN501) on MODE O V MODE SCHEMATIC MODE U DIAGRAM-4 VMODE O VMODE U...

  • Page 17: Printed Circuit Board Diagram

    RM-G45PA 5 Printed Circuit Board Diagram MAIN P.C.B.(SIDE:A) 1 2 3 4 5 6 7 8 9 101112131415 IC104 8 10 1214 1618 2224 IC202 1315 1719 2325 R186 R185 R188 R189 C183 C181 C182 C184 Q110 C206 C220 R172...
  • Page 18 RM-G45PA CN701 Q471 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Q472 LN505 26 27 28 29 30 31 32 33 34 Q401 D710 LN504 LN503 C729 L701 D701 D102 CN702 LN701 LN702...
  • Page 19 RM-G45PA MAIN P.C.B.(SIDE:B) (IC104) (Q502) (CN212) (CN211) R103 C103 (CN701) R102 Q402 C717 C712 CN502 L702 IC402 C722 Q408 C728 Q704 Q407 R422 R708 (CN702) 26 27 28 29 30 31 32 33 34 1 2 3 4 5 6 7 8 9 10...
  • Page 20 RM-G45PA AMB P.C.B.(SIDE:A) (IC202) C135 C137 C136 C138 C141 C140 CN201 R167 Q101 CN131 R133 R136 IC103 C152 IC102 R137 1 2 3 4 5 6 7 8 Q102 R163 R170 Q105 Q201 Q104 Q103 Q115 R456 C151 Q202 (Q502)
  • Page 21 RM-G45PA OPERATION P.C.B.(SIDE:A) S602 (MODE) S661 (CH6) S659 (A.SEL/RPT) S664 S665 S656 (W/B) (AUX) (CH5) S658 (I-COM) S655 (CH4) CN602 CN601 S666 S663 (FM2) (AM) S652 (CB) S660 (CH3) S667 S662 (CD/MD) (FM1) S654 (CH2) S651 (AUDIO) S653 (CH1) S603...
  • Page 22 RM-G45PA OPERATION P.C.B.(SIDE:B) (S602) PL652 PL656 Q651 PL654 (CN602) (CN601) Q652 PL655 PL651 Q653 Q656 Q654 Q655 PL653 (S603) RM-G45(PA) OPERATION(SIDE:B) P.C.B.

  • Page 23: Type Illustration Of Ics And Diodes

    RM-G45PA 6 Type Illustration of ICs and Diodes 000774810-T 000774860 000774870 000774960 64PIN 000574900-T 20PIN 000774840-T 8PIN 000474780-T 14PIN 000474790-T 8PIN No.1 000474740-T 8PIN No.1 000774350-T 000684180-T 000874350 TRB1565D1 TRB123YKL 000874710 80PIN 000674280-T No.1 2SK1A829 TRC1037QL TRUMW5NL TRA1703R8 TRC4483R8 TRC144EUL-A...

  • Page 24: Wiring Connection Diagram

    RM-G45PA 7 Wiring Connection Diagram AMB P.C.B. CN131 10 ..1 CN202 CN201 1 ..6 1 ..6 1 ..6 1 ..6...

  • Page 25: Block Diagram

    RM-G45PA 8 Block Diagram L OUT ANTENNA AM ANT (Q18) (FM/AM TUNER PACK) R OUT R ch F.CONT. FM ANT AM IF FM 10K TU V FM V S METER FM V AF OUT Q2,3 SIGNAL DET. (WB TUNER PACK)
  • Page 26 RM-G45PA 000684180-T AM NOISE CANCELLER TU V Q503 POWER SW5V SUPPLY POWER Q504 SUPPLY PULSE PULSE CONT. DETECTION DET2 GATE PULSE NOISE PULSE DETECTION HPF1 Q502 DET1 L501 REGULATOR IF AGC CONSTANT CURRENT BUFFER AMP CIRCUIT Q501, STABILIZER D501 HIGH...
  • Page 27 RM-G45PA (59) (FM R) (18) (61) (RF) (AMR) (60) (WBR) (19) CN702 (RR) (BUS 000774960 Vcc9V TERMINAL) IC101 ELECTRONIC VOLUME BUS- BUS+ (17) LF IN (RF IN) (83) CD/MDL- BUS L- (CD/MDR-) (84) CD/MDL+ BUS L+ (CD/MDR+) (59) AUXL AUX L...
  • Page 28 RM-G45PA Q107 MUTING (Q110) Q108 MUTING (Q109) Q112 MUTING CONT. CN702 NJM4565MD (BUS IC301 (1/2) TERMINAL) MIC OUT BU4066BCF IC405 AUDIO IN NJM4565MD 000474740-T SIGNAL SLECTOR IC301 (1/2) IC404 (1/2) DET. AUDIO BUFFER Q301 MUTING (13) Q404 Q526 SWITCH- INTERFACE...
  • Page 29 RM-G45PA BU14V 000874350 IC104 POWER AMP 6,20 CN701 (BUS TERMINAL) (17) (15) (19) (25) (14) (21) HS OUT 2,8, HS MIC 18,22 HS MIC MUTE STBY L702 Q111 DISP L701 MUTING Q471 Vcc9V REGULATOR 000474740-T 000774840-T 000474790-T IC404 (1/2) IC402...

  • Page 30: Modification Detail

    Notes for Europe: • You can received a L band program by WB button. • The mentioned characters on the audio source select button are informal. [FM]→[U]/[AM]→[M]/[WB]→[L] • Please look at Service Manual of the RM-G45PA version about the remodeling work.

  • Page 31: Modification Printed Circuit Board

    RM-G45PA 9.2. Modification Printed Circuit Board MAIN P.C.B.(SIDE:A) D512 D511 C405 IC401 C404 CN101 R310 R311 R314 Q301 1 2 3 4 5 8 9 10 11 12 13 14 15 DSP1 MAIN P.C.B.(SIDE:B) MAIN P.C.B.(SIDE:B) JC12 JC11 JC12 OPERATION P.C.B.(SIDE:B)

  • Page 32: Terminal Function Of Ic

    RM-G45PA 10 Terminal Function of IC 10.1. IC503(000874710): Terminal Function Name System Control CB AU CB audio mute signal input MUTE Terminal Function CB PTT CB PTT signal output Name MUTE IN Mute key ON/OFF detect signal input AN15 Request signal input...

  • Page 33: Replacement Parts List

    RM-G45PA 11 Replacement Parts List 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV Notes: 'HVFULSWLRQ • Important safety notice: 90* 3$&.,1* $ Components identified by mark have special & &<- X) characteristics important for safety. & &<- X) & &( X)9 Furthermore, special parts which have purposes of fire- &...
  • Page 34 RM-G45PA 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 'HVFULSWLRQ 'HVFULSWLRQ & &<- X) & &<- X) & &<- X) & &( 8)9 & &<- X) & &( 8)9 & &<- X) & &:) )9 &...
  • Page 35 RM-G45PA 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 'HVFULSWLRQ 'HVFULSWLRQ ,&  ,& 4 75$<8/$ 75$16,6725 ,&  ,& 4 75&<8/$ 75$16,6725 ,& 7 ,& 4 75&4/ 75$16,6725 ,&  ,& ,& 7 ,&...
  • Page 36 RM-G45PA 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 5HI 1R 3DUW 1R 3DUW 1DPH 5HPDUNV 'HVFULSWLRQ 'HVFULSWLRQ 5 5.-$- : . 5 5.-$- : . 5 5.-$- : . 5 5.-$- : . 5 5.-$- : . 5 5.-$- : .

  • Page 37: Cabinet Parts Location

    RM-G45PA 12 Cabinet Parts Location F011100000YM/KH...

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