Mitsubishi MOTORS CV-0MW7G21-9 Service Manual
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Mitsubishi MOTORS CV-0MW7G21-9 Service Manual

Mitsubishi MOTORS CV-0MW7G21-9 Service Manual

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SE029910093E Ver.ppt11E
CONTENTS
● FEATURES and SPECIFICATIONS....................................2
● CONNECTORS ..................................................................3
● SYSTEM CONFIGURATION ..............................................4
● BLOCK DIAGRAM ..............................................................5
● DISASSEMBLING PROCEDURES ....................................6
● PARTS LIST........................................................................7
● ELECTRICAL PARTS LIST.......................................... 8~12
PCB-AMP.....................................................................15
● VOLTAGE ....................................................................16,17
● WAVEFORM .....................................................................18
MITSUBISHI MOTORS
SERVICE MANUAL
POWER AMPLIFIER
MITSUBISHI ELECTRIC CORP. SANDA WORKS
CV-0MW7G21-9 / CV-0MW7G21-91
Model :
MELCO Code : 34R038 / 34R039
PART No. : 8701A369 / 8701A382
Copyright (C) Mitsubishi Electric Corporation.
CV-0MW7G21-9,-91
2010 Oct.
Your company internal use only.

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Summary of Contents for Mitsubishi MOTORS CV-0MW7G21-9

  • Page 1: Table Of Contents

    ● PARTS LAYOUT ON PRINTED CIRCUIT BOARD ..13,14 ● SCHEMATIC DIAGRAM PCB-AMP..............15 ● VOLTAGE ..............16,17 ● WAVEFORM ..............18 CV-0MW7G21-9 / CV-0MW7G21-91 Model : MELCO Code : 34R038 / 34R039 PART No. : 8701A369 / 8701A382 MITSUBISHI ELECTRIC CORP. SANDA WORKS Copyright (C) Mitsubishi Electric Corporation.

  • Page 2: Features And Specifications

    CV-0MW7G21-9,-91 FEATURES and SPECIFICATIONS FEATURES SPECIFICATIONS ● Distortion : 0.5% max at 0.5W < Power amplifier Part > ● High power 650W output power amplifier. ● S/N : 55dB min at 0.5W ● Channel Separation : 50dB min at 0.5W Woofer mono 150W x 2ch (1Ω) ..

  • Page 3: Connectors

    CV-0MW7G21-9,-91 CONNECTORS Speaker and Voice Input Power supply, Speaker 14P Connector and H/U Communication 18P Connector Speaker and Voice Input Power supply, Speaker PinNo. Signal Name PinNo. Signal Name 14P Connector and H/U Communication PinNo. Signal Name PinNo. Signal Name...

  • Page 4: System Configuration

    CV-0MW7G21-9,-91 SYSTEM CONFIGURATION CV-0MW7G21-9,-91 Copyright (C) Mitsubishi Electric Corporation. Your company internal use only.

  • Page 5: Block Diagram

    CV-0MW7G21-9,-91 BLOCK DIAGRAM Copyright (C) Mitsubishi Electric Corporation. Your company internal use only.

  • Page 6: Disassembling Procedures

    Ⓐ Ⓐ x 2 M004 : Ⓑ HEAT-SINK-SUB Ⓓ x 6 M006(2) : NAME-CARD(CV-0MW7G21-91) Ⓑ PCB-AMP M007(1) : NAME-CARD(CV-0MW7G21-9) Don't stick on the bend hole and the hollow of the chassis. Ⓐ Ⓐ M001 : CHASSIS-R Screw Tighten torque(N・m) Ⓐ...

  • Page 7: Parts List

    CV-0MW7G21-9,-91 PARTS LIST Ref. No. Parts Name Parts No. Page M001 560J32612 CHASSIS-R M002 560J33313 CHASSIS-F M003 635J08911 HEAT-SINK-MAIN M004 635K06610 HEAT-SINK-SUB M005 891J06810 ASSY-CHASSIS M006 943M328O6 NAME-CARD(CV-0MW7G21-91) M007 943M328O7 NAME-CARD(CV-0MW7G21-9) 653P11046 SCREW-S-PAN 3X6 653P11048 SCREW-S-PAN 3X10 653P11052 SCREW-S-PAN 3X16...

  • Page 8: Electrical Parts List

    ELECTRICAL PARTS LIST CV-0MW7G21-9..(1) CV-0MW7G21-91..(2) Ref. No. Parts No. Parts Name Note Spec. Base Parts No. Ref. No. Parts No. Parts Name Note Spec. Base Parts No. C005 141L185O1 C-CERAMIC-CHIP GRM1882C1H471JA01D CH 50V 471J1608 N931L29810 C502 141L164O6 C-CERAMIC-CHIP GRM188B11C104KA01D B 16V 104K 1608...
  • Page 9 ELECTRICAL PARTS LIST CV-0MW7G21-9..(1) CV-0MW7G21-91..(2) Ref. No. Parts No. Parts Name Note Spec. Base Parts No. Ref. No. Parts No. Parts Name Note Spec. Base Parts No. C632 141L164O6 C-CERAMIC-CHIP GRM188B11C104KA01D B 16V 104K 1608 N931L29810 D013 264P588O6 DIODE-ZENER-CHIP MA8270-M-TX...
  • Page 10 ELECTRICAL PARTS LIST CV-0MW7G21-9..(1) CV-0MW7G21-91..(2) Ref. No. Parts No. Parts Name Note Spec. Base Parts No. Ref. No. Parts No. Parts Name Note Spec. Base Parts No. L362 351P095O4 COIL-CHOKE-CHIP BK1608LM252-T N931L29810 Q880 260L042O7 TRANSISTOR-CHIP DTC114TKAT146 N931L29810 L371 351P095O4 COIL-CHOKE-CHIP...
  • Page 11 ELECTRICAL PARTS LIST CV-0MW7G21-9..(1) CV-0MW7G21-91..(2) Ref. No. Parts No. Parts Name Note Spec. Base Parts No. Ref. No. Parts No. Parts Name Note Spec. Base Parts No. R374 103L293O7 R-CHIP RMC1/16103JTP 1/10W 103J 1608 N931L29810 R585 103P503O2 R-CHIP RMC1/16392FTP 1/10W 392F 1608...
  • Page 12 ELECTRICAL PARTS LIST CV-0MW7G21-9..(1) CV-0MW7G21-91..(2) Ref. No. Parts No. Parts Name Note Spec. Base Parts No. Ref. No. Parts No. Parts Name Note Spec. Base Parts No. R821 103L295O3 R-CHIP RMC1/16224JTP 1/10W 224J 1608 N931L29810 R822 103L294O5 R-CHIP RMC1/16473JTP 1/10W 473J 1608...

  • Page 13: Parts Layout On Printed Circuit Board

    PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : CV-0MW7G21-9,-91 (PARTS SIDE) PCB-AMP R0B1 R010 P003 P002 Q006 Q004 C010 P001 Q007 Q003 R003 D011 C034 C037 Q002 Q001 C032 C035 C042 C039 PLATE1 PLATE3 L003 L002 C577 L001 C629 C6C1...
  • Page 14 PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : CV-0MW7G21-9,-91 (PATTERN SIDE) PCB-AMP...

  • Page 15: Schematic Diagram

    SCHEMATIC DIAGRAM PCB-AMP MODEL : CV-0MW7G21-9,-91 ANALOG_IN<7..0> P001 Q953 IC902 PLATE3 OPEN A6.2V 2SD2375P NJM2845DL1 C952 RL_IN+ TP954 OPEN TP001 D951 RD160L-60 R953 RR_IN+ (1/4W) TP002 R0B1 OPEN(2125) IC303 TP0B1 (ACC-IN) R951 NJM2115V (1/4W) TP301 IC305 IC304 IC302 IC301 R/G_L+...

  • Page 16: Voltage

    CV-0MW7G21-9,-91 VOLTAGE BATT : 13.2V ACC : ON VOL : 0 (Pin numbers are as measurement points.) IC801(ASSY-ROM(M30624FGPGP),M30620MCP-586GP) IC331(AK7730AVT) Pin NO. Pin Name Function Voltage [V] Pin NO. Pin Name Function Voltage [V] Pin NO. Pin Name Voltage(DC)[V] DSP0-RDY RDY input from DSP-IC(AK7730/AK7740)
  • Page 17 CV-0MW7G21-9,-91 VOLTAGE IC351(AK7730AVT) IC371(AK4358) IC561(TDA7560) IC601(TDA7575B) IC621(TDA7575B) Pin NO. Pin Name Voltage(DC)[V] Pin NO. Pin Name Voltage(DC)[V] Pin NO. Pin Name Voltage(DC)[V] Pin NO. Pin Name Voltage(DC)[V] Pin NO. Pin Name Voltage(DC)[V] EESEL FL-LO- SDIN4 FL-LO+ P-GND PWGND PWGND SDIN3...

  • Page 18: Waveform

    CV-0MW7G21-9,-91 WAVEFORM BATT : 13.2V VOL : 0 (Pin numbers are as measurement points.) IC331 PCB-AMP IC331 PCB-AMP IC371 PCB-AMP CH1=17pin (LRCLK_O) CH1=25pin (XTO) CH1=19pin (CCLK/SCL) CH2=16pin (BITCLK_O) CH2=20pin (CDTI/SDA) IC371 PCB-AMP IC801 PCB-AMP IC331 PCB-AMP CH1=13pin (SDTI4) CH1=11pin (XOUT)

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