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MITSUBISHI MOTORS
AM/FM-ST ELECTRONIC TUNING RADIO with CASSETTE
and CD PLAYER / CD CHANGER CONTROLLER
For the mecha part, please refer to the service manual of G-MECHA(955511) (2007 JUN.).
FEATURES and SPECIFICATIONS .................. 2
OPERATION ................................................... 3,4
CONNECTORS .................................................. 4
BLOCK DIAGRAM .............................................. 5
SYSTEM CONFIGURATION .............................. 5
DISASSEMBLING PROCEDURES ................. 6,7
EXPLODED VIEW and PARTS LIST ................. 8
IC EXPLANATION ......................................... 9,10
MITSUBISHI ELECTRIC CORP. SANDA WORKS
SE017207073E
SERVICE MANUAL
RX-1MX8-T
Model :
PART No.
MELCO CODE : 34M140
RX-1MX8-MT-T
Model :
PART No.
MELCO CODE : 349308
CONTENTS
Your company internal use only
: 8701A209
: 8701A209
ELECTRICAL PARTS LIST ......................... 11,12
PCB-MAIN ............................................... 13,14
PCB-PANEL .................................................. 15
PCB-MAIN,PANEL .................................. 16~20
VOLTAGE ........................................................ 21
WAVEFORM .................................................... 22
Copyright (c) Mitsubishi Electric Corporation
RX-1MX8-T,-MT-T
2007 AUG.
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Summary of Contents for Mitsubishi RX-1MX8-T
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Page 1: Table Of Contents
SYSTEM CONFIGURATION ......5 SCHEMATIC DIAGRAM DISASSEMBLING PROCEDURES ....6,7 PCB-MAIN,PANEL ........16~20 EXPLODED VIEW and PARTS LIST ....8 VOLTAGE ............21 IC EXPLANATION ......... 9,10 WAVEFORM ............ 22 MITSUBISHI ELECTRIC CORP. SANDA WORKS SE017207073E Copyright (c) Mitsubishi Electric Corporation... -
Page 2: Features And Specifications
FEATURES and SPECIFICATIONS FEATURES Rheostat function. (The intensity of buttons, panel and LCD can adjust to link with the intensity of vehicle's instru- Audio Part ment panel lighting.) High power, 4 channel outputs. (4 load) The connections of speakers wiring can be checked by Adjustment of BASS, TREBLE, BALANCE and FADER by test mode of the beep in the vehicle's assembly line. -
Page 3: Operation
OPERATION RADIO & AUDIO PART Radio ON Button and Auto Tune UP/DOWN Button Band Select Button ID Code Audio Adjustment UP/DOWN Button Radio Scan Button Audio Adjustment Mode Select Button Power Switch Memory and Preset Channel Button Bass Treble Fader Volume Control Preset : Press for 0.5 seconds. -
Page 4: Connectors
CD Player / CD Changer PART Fast Forward Button Fast Backward Button Track Select UP/DOWN Button Scan Button CD Mode Button Random CD-C Disc Select UP Button ON/OFF Button (TAPE) CD-P In dash CD-C CD-C Repeat ON/OFF Button CONNECTORS Antenna Socket Power supply / Speaker CD Changer 14P Connector... -
Page 5: Block Diagram
POWER SUPPLY IC801 MICROCOMPUTER ILLUMINATION Q810 CIRCUIT ACC 5V Q857 POWER SUPPLY POWER LINE SIGNAL LINE CONTROL LINE IC901 PANEL DRIVER ILLUMINATION VOLUME OPERATION CONTROL ENCODER SWITCH BUTTON VR901 DISPLAY ILLUMINATION LCD901 SYSTEM CONFIGURATION MAIN ANTENNA SPEAKER AUDIO UNIT RX-1MX8-T RX-1MX8-MT-T... -
Page 6: Disassembling Procedures
DISASSEMBLING PROCEDURES 1. Removal of COVER, HEAT-SINK (See Fig.1) 1) Unscrew the four screws ( 1 ). 2) Remove the COVER. 3) Unscrew the two screws ( 2 ), 4(A) two screws ( 3 ) and two screws ( 4 ). COVER 4) Remove the HEAT-SINK. - Page 7 3. Removal of ASSY-PANEL, PCB-PANEL (See Fig.3) 1) Unlatch the eight hooks ( a ). 2) Remove the ASSY-PANEL. 3) Unscrew the four screws ( 6 ), remove the KNOB-VOL. 4) Remove the PCB-PANEL. 5) Unscrew the two screws ( 7 ). 2(A) 6) Remove the CHASSIS-F.
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Page 8: Exploded View And Parts List
EXPLODED VIEW and PARTS LIST Model : RX-1MX8-T .... (1) RX-1MX8-MT-T ..(2) Ref. No. Part No. Description Index M001 246L350O3 FLAT-CABLE 19P M002 560J26218 CHASSIS-B M003 560J36110 CHASSIS-F M004 591K36211 BRACKET-DECK M005 591K61812 COVER M006 635J07411 HEAT-SINK M007 641K28910... -
Page 9: Ic Explanation
IC EXPLANATION IC8B1 LA4742 Muting & Ripple Stand by Clip ON Time Control Filter Switch Detect Circuit Circuit Vcc1/2 Vcc3/4 Protective Mute Protective circuit circuit circuit circuit IC301 LC75411UES 23 LFIN 22 LFOUT LVref 21 LROUT 20 VSS 19 CL Multiplexer ZERO CROSSDET 18 DI... - Page 10 IC174 TC4S66F-TE85L IC901 BU9716BK LCD DRIVE VDD1 VOLTAGE VDD2 GENERATOR IN/OUT OUT/IN CONTROL DATA LATCH LOGIC CONT OSCILLATOR COMMON DRIVER SEGMENT DRIVER 30 31 32...
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Page 11: Electrical Parts List
ELECTRICAL PARTS LIST < CHIP PARTS (RESISTORS & CAPACITORS) > Part No. Part No. 103L19xOx 2.0mm 141L06xOx 2.0mm 103L24xOx 3.2mm 141L16xOx 1.6mm 103L29xOx 1.6mm 141L18xOx 1.6mm SOLDERING PART Ref. No. Part No. Description Ref. No. Part No. Description C814 141L182O1 C-CERAMIC-CHIP 27pF CHIP PARTS (RESISTORS) C173,870~872... - Page 12 Ref. No. Part No. Description Ref. No. Part No. Description OTHERS IC901 263P328O2 IC BU9716BK PL903~906 253L47610 LAMP-CHIP IC8B1 266P524O1 IC LA4742 PL901,902 253L47611 LAMP-CHIP IC301 263P160O3 IC LC75411UES X801 285L005O3 CRYSTAL IC174 263L000O6 IC TC4S66F-TE85L LCD901 289P17810 IC801 263P23035 IC µPD178054GC-224-8BT FE101 295P21514...
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Page 13: Parts Layout On Printed Circuit Board
PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : RX-1MX8-T,-MT-T (PARTS SIDE) TO PCB-PANEL PCB-MAIN (J901) - Page 14 PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : RX-1MX8-T,-MT-T (PATTERN SIDE) PCB-MAIN TO G-MECHA...
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Page 15: Pcb-Panel
PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : RX-1MX8-T,-MT-T PCB-PANEL (PARTS SIDE) TO PCB-MAIN (P830) (PATTERN SIDE) - Page 16 SCHEMATIC DIAGRAM MODEL : RX-1MX8-T,-MT-T PCB-MAIN,PANEL Vol.1 Vol.3 Vol.4 Vol.2...
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Page 17: Schematic Diagram Pcb-Main,Panel
SCHEMATIC DIAGRAM PCB-MAIN,PANEL MODEL : RX-1MX8-T,-MT-T Vol.1... - Page 18 SCHEMATIC DIAGRAM PCB-MAIN,PANEL MODEL : RX-1MX8-T,-MT-T Vol.2...
- Page 19 SCHEMATIC DIAGRAM PCB-MAIN,PANEL MODEL : RX-1MX8-T,-MT-T Vol.3...
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Page 20: Pcb-Main,Panel
SCHEMATIC DIAGRAM PCB-MAIN,PANEL MODEL : RX-1MX8-T,-MT-T Vol.4... -
Page 21: Voltage
VOLTAGE MODEL : RX-1MX8-T,-MT-T (Pin numbers are as measurement points.) -COM 2. ELE VOL IC 3. POWER-IC IC801 PCB-MAIN IC301 PCB-MAIN IC8B1 PCB-MAIN AM : No signal, 999kHz FM : No signal, 98.1MHz TAPE : Play Voltage [V] Voltage [V]... -
Page 22: Waveform
WAVEFORM MODEL : RX-1MX8-T,-MT-T (Pin numbers are as measurement points.) 1. VOL/LCD 3. TAPE FF IC801 IC801 PCB-MAIN PCB-MAIN CH1=8pin(VOL/LCD-DATA) CH1=45pin(ENDL) CH2=9pin(VOL/LCD-CLK) CH2=46pin(BLANK) CH3=10pin(VOL-CE) CH3=47pin(ENDR) CH4=72pin(LCD-CE) CH4=48pin(PKIN/MTL) Time axis : 10µsec/div Time axis : 10msec/div 2. TAPE FORWARD PLAY 4. X'tal...