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Mitsubishi DY-3A66U-AL Service Manual

Mn141332 am/fm-st electronic tuning radio with cd changer
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FEATURES AND SPECIFICATIONS ................. 2
OPERATION ...................................................... 3
CONNECTORS ............................................... 4,5
DISASSEMBLING PROCEDURES ................. 6,7
BLOCK DIAGRAM .............................................. 8
EXPLODED VIEW, AND PARTS LIST .............. 9
IC EXPLANATION ....................................... 10,11
ELECTRICAL PARTS LIST ......................... 12,13
SE002405023E
MITSUBISHI
SERVICE MANUAL
AM/FM-ST ELECTRONIC TUNING RADIO
with CD CHANGER
DY-3A66U-AL
Model :
PART No. MN141332
CONTENTS
PRINTED CIRCUIT BOARD
PCB-MAIN ............................................... 14,15
PCB-SUB .................................................... 16
SCHEMATIC DIAGRAM
PCB-MAIN,SUB ....................................... 17~21
VOLTAGE
WAVEFORM .................................................... 24
............................................... 22,23
DY-3A66U-AL
2005 MAR.

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Summary of Contents for Mitsubishi DY-3A66U-AL

  • Page 1 DY-3A66U-AL 2005 MAR. MITSUBISHI SERVICE MANUAL AM/FM-ST ELECTRONIC TUNING RADIO with CD CHANGER DY-3A66U-AL Model : PART No. MN141332 CONTENTS FEATURES AND SPECIFICATIONS ....2 PRINTED CIRCUIT BOARD OPERATION ............3 PCB-MAIN ..........14,15 CONNECTORS ..........4,5 PCB-SUB ............ 16 DISASSEMBLING PROCEDURES ....
  • Page 2 FEATURES AND SPECIFICATIONS FEATURES Radio can adjust to link with the intensity of vehicle's instrument AM can preset the 6 station and FM (FM1/FM2) can preset the 12 station. panel lighting). It is able to memory by keep pushing the preset memory The connection of speaker wiring can check by test mode of button.
  • Page 3 OPERATION << UNIQUE PANEL : SW-744, SW-745 >> RADIO & AUDIO PART Preset Memory Button (AM-6 / FM-12) Radio SCAN UP Button Audio Adjustment Switch Knob (Manual Tune UP/DOWN Button) Power Switch Change Radio Auto Tune Volume Adjustment Knob UP/DOWN Button CD CHANGER PART Disc Select Button READY INDICATOR...
  • Page 4 CONNECTORS < FRONT SIDE VIEW > 22P Connector 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 22P Connector Name Name Name LAMP LATCH(LED) CLOCK(LED) LAMP SENCE CAR ENABLE(LED) AUDIO-SW DATA(LED)
  • Page 5 < REAR SIDE VIEW > 10P Connector 10 9 8 CD Changer 14P Connector Antenna Socket 13P DIN Socket 14 13 12 11 10 9 8 12 11 10 9 Remote control 10P Connector Name Name REMO-OUT REMO-IN Telephone Mute Telephone GND Telephone Signal M-BUSY...
  • Page 6 DISASSEMBLING PROCEDURES COVER 1. Removal of COVER (See Fig.1) 1) Unscrew the four screws ( 1 ) . 2) Remove the COVER. Fig.1 2. Removal of CDX2 (See Fig.2) 1) Unscrew the six screws ( 2 ) . CDX2 BRACKET-CDX 2) Remove the HEAT-SINK.
  • Page 7 3. Removal of LEAD-CONNECTOR (See Fig.3) 1) Unscrew the four screws ( 4 ) . 2) Remove the CHASSIS-F and HOLDER-CON. 5) Remove the LEAD-CONNECTOR. LEAD-CONNECTOR HOLDER-CON CHASSIS-F Fig.3 4. Removal of PCB-MAIN and PCB-SUB (See Fig.4) 1) Unscrew the two screws ( 5 ), and three screws ( 6 ) . 2) Remove the FLAT-CABLE.
  • Page 8 BLOCK DIAGRAM POWER-IC RHEOSTAT TDA7560 M-BUS PRE AMP PRE AMP BUFFER NJM4565V NJM4565V PANEL 5V AM/FM POWER TUNER SUPPLY MECHA DSP 3.3V MECHA SERVO 8V LOW PASS POWER SUPPLY POWER SUPPLY FILTER NJM2100 ANALOG 3.3V DIGITAL 3.3V POWER POWER SUPPLY SUPPLY AM NK HA12181...
  • Page 9 EXPLODED VIEW, AND PARTS LIST Ref.No. Part No. Description Index M015 M001 246L341O5 FLAT-CABLE 18P M009 M016 M002 246L43311 LEAD-CONNECTOR-22P M007 M003 560J30110 CHASSIS-B M004 560J30310 CHASSIS-L M010 M005 560J30311 CHASSIS-R M006 560J30210 CHASSIS-F M007 591K38610 COVER M008 591K50410 HOLDER-CON M009 591K49410 BRACKET-CDX M010 246L346O7 FLAT-CABLE 18P...
  • Page 10 IC EXPLANATION IC802 PST9136 IC302 SN74LV541APW IC201,960,961 LF33ABPT CURRENT LIMIT INHIBIT CONTROL START REFERENCE INHIBIT VOLTAGE DRIVER ERROR AMPLIFIER DUMP PROTECTION TERM. PROTECTION IC1 HA12181FP-EL DETECTION IF AGC OUTPUT AF AGC PULSE IF AGC DETEC- TION (1) GATE PULSE NOISE GENERATOR DETECTION HPF 1...
  • Page 11 IC380 RC2100M/NJM2100M IC321,390,421 NJM4565V-TE1 OUT1 + VCC OUTPUT A -- IN1 OUT2 INPUT A OUTPUT B INPUT B + INPUT A +IN1 -- IN2 + INPUT B +IN2 LRCLK BITCLK CLKOUT SMODE IC301 AK7740 OUTAE LRCLK CLKOUT BITCLK SMODE INIT_RESET INIT_RESET SDOUTA CONTROLLER...
  • Page 12 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 103P50xOx 1.6mm Ref. No. Part No. Description Ref. No. Part No. Description CHIP PARTS (RESISTORS) 103L295O3 R-CHIP 220k...
  • Page 13 Ref. No. Part No. Description Ref. No. Part No. Description Q750,760,770 260L010O1 TR-CHIP 2SD601AS IC330 266P62810 IC TDA7560 Q752 260L042O4 TR-CHIP DTA114T IC801 262P51710 IC µPD70F3035BYGC-8EU Q333,942 260M061O1 TR-CHIP DTA124E RESISTOR Q202,207,991 260L030O5 TR-CHIP DTA143E RF901 103L390O2 R-FUSE Q967 260L030O3 TR-CHIP DTA144E Q332 260L042O2 TR-CHIP DTA144T COIL...
  • Page 17 SCHEMATIC DIAGRAM Model: DY-3A66U-AL PCB-MAIN,SUB Back side Back side Back side Vol.1 Vol.3 Vol.4 Vol.2...
  • Page 22 VOLTAGE Model : DY-3A66U-AL -COM IC801 PCB-MAIN Voltage [V] Voltage [V] Pin Name Function I/O ACT Remark Pin Name Function Remark 1 DISP-SO Serial data output to DSP 51 N.C. Not used 2 DSP-CLK Serial clock output to DSP 52 N.C.
  • Page 23 2. ELECTRIC VOL IC 3. POWER IC 4. POWER SOURCE IC301 PCB-MAIN IC330 PCB-AF BATT, ACC 13.2V FM 98.1MHz, VOL MIN FM 98.1MHz, VOL MIN BATT, ACC 13.2V BATT, ACC 13.2V (E): Emitter, (C): Collector Unit: V Voltage [V] Voltage BATT 5V Pin Name Remark...
  • Page 24 WAVEFORM Model: DY-3A66U-AL (1) M-Bus Communication Waveform (2) CD Communication Waveform P902 P201 Pin No. Pin Name Pin No. Pin Name M-BUSY D-MTS M-SCK M-DATA D-STM * No connection with M-Bus units (500ms/div) * 20µs/div * Connection with M-Bus units (100ms/div)

  • Page 25: Table Of Contents

    SCHEMATIC DIAGRAM DISASSEMBLING PROCEDURES ....6,7 PCB-MAIN ..........16~20 BLOCK DIAGRAM ..........8 VOLTAGE ..........21,22 EXPLODED VIEW and PARTS LIST ....9 WAVEFORM ............ 23 IC EXPLANATION ........10,11 MITSUBISHI ELECTRIC CORP. SANDA WORKS SE012906123E Copyright (c) Mitsubishi Electric Corporation...

  • Page 26: Features And Specifications

    FEATURES and SPECIFICATIONS FEATURES Radio can adjust to link with the intensity of vehicle's instrument AM can preset the 6 stations and FM (FM1/FM2) can pre- panel lighting.) set the 12 stations. The connection of speaker wiring can check by test mode of It is able to memory by keep pushing the preset memory the beep in the vehicle's assembly line.

  • Page 27: Operation

    OPERATION << UNIQUE PANEL : SW-744, SW-745 >> RADIO & AUDIO PART Preset Memory Button (AM-6 / FM-12) Radio SCAN UP Button Audio Adjustment Switch Knob (Manual Tune UP/DOWN Knob) Power Switch Change Radio Auto Tune Volume Adjustment Knob UP/DOWN Button CD CHANGER PART Disc Select Button READY INDICATOR...

  • Page 28: System Configuration

    SYSTEM CONFIGURATION MAIN ANTENNA AUDIO UNIT UNIQUE PANEL MODULE DY-3A66U-AL-2-T SW-744,745 DISPLAY CD CHANGER MN141331 MN141556 (Matsushita) (Yazaki) TELEPHONE REMOTE CONTROL (STEERING) MR588144,45 (MMC) CONNECTORS < FRONT SIDE VIEW > Panel 22P Connector 1 2 3 4 5 6 7 8 9 10 11...
  • Page 29 < REAR SIDE VIEW > Remote control 10P Connector 10 9 8 CD Changer Power supply Antenna Socket 13P DIN Socket 14P Connector 14 13 12 11 10 9 8 12 11 10 9 Remote control 10P Connector Name Name REMO-OUT REMO-IN Telephone Mute...

  • Page 30: Disassembling Procedures

    DISASSEMBLING PROCEDURES 1. Removal of COVER (See Fig.1) 1) Unscrew the four screws ( 1 ). COVER 2) Remove the COVER. 4(A) Fig.1 2. Removal of CDX3 (See Fig.2) 1) Unscrew the six screws ( 2 ). 2) Remove the HEAT-SINK. 2(A) 3) Unscrew the four screws ( 3 ).
  • Page 31 3. Removal of LEAD-CONNECTOR-22P (See Fig.3) 1) Unscrew the four screws ( 4 ). 2) Remove the CHASSIS-F and HOLDER-CON. 3) Remove the LEAD-CONNECTOR-22P. 2(A) HOLDER-CON LEAD-CONNECTOR-22P CHASSIS-F Fig.3 2(A) 4. Removal of PCB-MAIN (See Fig.4) 1) Unscrew the two screws ( 5 ) and three screws ( 6 ). 2) Remove the CHASSIS-L and the CHASSIS-R.

  • Page 32: Block Diagram

    BLOCK DIAGRAM P902 P903 P901 13P DIN SOCKET IC330 Q910,911,etc. ANT1 POWER-IC RHEOSTAT TDA7560 IC321,421 IC390 P201 M-BUS PRE AMP PRE AMP CDX3 MECHA BUFFER NJM4565V NJM4565V Q750,760, Q990 770,etc. IC201 Q205 PANEL 5V AM/FM POWER IC380 TUNER SUPPLY MECHA DSP 3.3V MECHA SERVO 8V LOW PASS POWER SUPPLY...

  • Page 33: Exploded View And Parts List

    BRACKET-CDX3 M035 642K14611 SHEET-CD M039 M036 *643L49311 SHEET A-3,B-3 M037 *643L56610 CUSHION M030 M038 940L10114 CDX3(955050) M039 943M215O2 NAME-CARD(DY-3A66U-AL-2-T) M011 653P11046 SCREW-S-PAN 3X6 M004 653P11048 SCREW-S-PAN 3X10 M037 653P11049 SCREW-S-PAN 3X12 M033 669L057O1 SCREW-TAP 3X6 669L077O2 SCREW-TAP 3X6 M005 M008...

  • Page 34: Ic Explanation

    IC EXPLANATION IC802 PST9136 IC321,390,421 NJM4565V-TE1 OUT1 -- IN1 OUT2 +IN1 -- IN2 +IN2 IC201,960,961 LF33ABPT CURRENT LIMIT INHIBIT CONTROL START REFERENCE INHIBIT VOLTAGE DRIVER ERROR AMPLIFIER DUMP PROTECTION TERM. PROTECTION IC1 HA12181FP-EL DETECTION IF AGC OUTPUT AF AGC PULSE IF AGC DETEC- TION (1)
  • Page 35 IC380 RC2100M/NJM2100M IC302 SN74LV541APW + VCC OUTPUT A INPUT A OUTPUT B INPUT B + INPUT A + INPUT B IC330 TDA7560 Vcc1 Vcc2 ST-BY 25 HSD/V MUTE 9 OUT1+ 7 OUT1- P-GND1 5 OUT2+ 3 OUT2- P-GND2 17 OUT3+ 19 OUT3- P-GND3 21 OUT4+...

  • Page 36: 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 103P50xOx 1.6mm Ref. No. Part No. Description Ref. No. Part No. Description 103L295O2 R-CHIP 180k CHIP PARTS (RESISTORS)
  • Page 37 Ref. No. Part No. Description Ref. No. Part No. Description Q941 260P12510 TR-CHIP 2SD2537 IC302 263P99010 IC SN74LV541APW Q750,760,770 260L010O1 TR-CHIP 2SD601AS IC330 266P62810 IC TDA7560 Q752 260L042O4 TR-CHIP DTA114T IC801 262P54422 IC µPD703035BYGC-J18-8EU Q333,942 260M061O1 TR-CHIP DTA124E RESISTORS Q202,207,991 260L030O5 TR-CHIP DTA143E RF901 103L390O2 R-FUSE...

  • Page 38: Parts Layout On Printed Circuit Board

    PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : DY-3A66U-AL-2-T (PARTS SIDE) PCB-MAIN TO CDX3...
  • Page 39 PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL : DY-3A66U-AL-2-T (PATTERN SIDE) PCB-MAIN...

  • Page 40: Schematic Diagram

    SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.1 Vol.3 Vol.4 Vol.2...

  • Page 41: Schematic Diagram Pcb-Main

    SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.1...

  • Page 42: Schematic Diagram

    SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.2...

  • Page 43: Schematic Diagram

    SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.3...

  • Page 44: Schematic Diagram

    SCHEMATIC DIAGRAM PCB-MAIN MODEL : DY-3A66U-AL-2-T Vol.4...

  • Page 45: Voltage

    VOLTAGE MODEL : DY-3A66U-AL-2-T (Pin numbers are as measurement points.) -COM IC801 PCB-MAIN AM 999kHz 74dB V, FM 98.1MHz 68dB V BATT, ACC 13.2V Voltage [V] Voltage [V] Pin Name Function I/O ACT Remark Pin Name Function Remark 1 DISP-SO...
  • Page 46 2. ELECTRIC VOL IC 3. POWER IC 4. POWER SOURCE IC301 PCB-MAIN IC330 PCB-AF BATT, ACC 13.2V FM 98.1MHz, VOL MIN FM 98.1MHz, VOL MIN BATT, ACC 13.2V BATT, ACC 13.2V (E): Emitter, (C): Collector Unit: V Voltage [V] Voltage BATT 5V Pin Name Remark...

  • Page 47: Waveform

    WAVEFORM MODEL : DY-3A66U-AL-2-T (Pin numbers are as measurement points.) (1) M-Bus Communication Waveform (2) CD Communication Waveform P902 P201 Pin No. Pin Name Pin No. Pin Name M-BUSY D-MTS M-SCK M-DATA D-STM No connection with M-Bus units (500ms/div) 20µs/div Connection with M-Bus units (100ms/div) Connection with M-Bus units (50µs/div)

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