Mitsubishi DY-3A66U-AL Service Manual Download

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Model :

DY-3A66U-AL

SERVICE MANUAL

AM/FM-ST ELECTRONIC TUNING RADIO

with CD CHANGER

MITSUBISHI

PART No. MN141332

DY-3A66U-AL

SE002405023E

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

PRINTED CIRCUIT BOARD

PCB-MAIN ............................................... 14,15

PCB-SUB .................................................... 16

SCHEMATIC DIAGRAM

PCB-MAIN,SUB ....................................... 17~21

VOLTAGE

............................................... 22,23

WAVEFORM .................................................... 24

CONTENTS

2005 MAR.

Summary of Contents for DY-3A66U-AL

Page 1: ...SE002405023E 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 PRINTED CIRCUIT BOARD PCB MAIN 14 15 PCB SUB 16 SCHEMATIC DIAGRAM PCB MAIN SUB 17 21 VOLTAGE 22 23 WAVEFORM 24 CONTENTS 2005 MAR ...

Page 2: ...M CD DA 10 4sec Skip recovered function Recovered the condition before skip Protected function of laser pickup stopping at high tem perature Quick truck selection function Any time Eject function Eject at the all mode included ACC OFF Scan function 10 sec Reload function Available for loading 12cm disc only MP3 play function MPEG1 AUDIO LAYER3 MPEG2 AUDIO LAYER3 Repeat function One tune Random pla...

Page 3: ...UP DOWN Button CD CHANGER PART Preset Memory Button AM 6 FM 12 CD Button Track Select UP DOWN Button Disc Select Button Repeat Random Button Radio SCAN UP Button READY INDICATOR FF REW Button UNIQUE PANEL SW 744 SW 745 CDDA Push the button 1 5 seconds or more MP3 Folder select UP DOWN Knob CD SCAN UP Button Audio Adjustment Switch Knob Power Switch Volume Adjustment Knob ...

Page 4: ...GND 12 ENABLE LED 13 DATA LED 14 LAMP GND 15 LAMP GND 16 1 LATCH LED 2 CLOCK LED 3 4 AUDIO SW 5 VOL2 6 VOL1 7 EJECT SW 8 POWER SW Pin No Name Pin No Name Pin No Name 22P Connector CONNECTORS 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 17 1819 20 2122 22P Connector FRONT SIDE VIEW ...

Page 5: ...Speaker RR 1 Speaker FR 2 Speaker FL 3 Illumination 4 Antenna B 5 Speaker RL 6 Speaker RR 7 Speaker FR Pin No Name Pin No Name Remote control 10P Connector 6 REMO OUT 7 Telephone Mute 8 Telephone GND 9 M BUSY 10 Shield Earth M BUS 1 REMO IN 2 3 Telephone Signal 4 M SCK 5 M DATA Pin No Name Pin No Name Antenna Socket 1 2 3 4 5 6 7 141312 1110 9 8 14P Connector CD Changer 13P DIN Socket 1 2 3 4 5 6 ...

Page 6: ...e HEAT SINK 3 Unscrew the four screws 3 4 Remove the BRACKET CDX and FLAT CABLE 5 Remove the CDX2 Fig 2 DISASSEMBLING PROCEDURES 1 Removal of COVER See Fig 1 1 Unscrew the four screws 1 2 Remove the COVER Fig 1 1 4 COVER 2 6 3 2 3 2 CDX2 HEAT SINK FLAT CABLE BRACKET CDX ...

Page 7: ...S R and PCB SUB 4 Unscrew the one screw 7 and two screws 8 and three screws 9 5 Remove the PCB MAIN Fig 4 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 Fig 3 4 2 4 2 HOLDER CON LEAD CONNECTOR CHASSIS F 8 2 9 3 6 2 7 5 CHASSIS R PCB MAIN 5 6 FLAT CABLE CHASSIS L PCB SUB ...

Page 8: ...OWER IC TDA7560 LOW PASS FILTER NJM2100 M BUS BUFFER PRE AMP NJM4565V PANEL 5V POWER SUPPLY LAMP POWER SUPPLY DIGITAL 3 3V POWER SUPPLY DSP AK7740 ANALOG 3 3V POWER SUPPLY MECHA DSP 3 3V POWER SUPPLY DIGITAL 6 2V POWER SUPPLY BUS BUFFER SN74LV541A BATTERY 5V POWER SUPPLY MECHA SERVO 8V POWER SUPPLY RHEOSTAT ...

Page 9: ...CHASSIS R C 2 M006 560J30210 CHASSIS F A 3 M007 591K38610 COVER A 1 M008 591K50410 HOLDER CON A 3 M009 591K49410 BRACKET CDX C 1 M010 246L346O7 FLAT CABLE 18P B 1 M011 635J08310 HEAT SINK C 2 M012 592L966O2 HOLDER IC B 2 M013 643L015O3 SHEET A 3 M014 943M179O5 NAME CARD A 1 M015 851L262O4 LABEL CAUT B 1 M016 941L73813 CDX2 533 B 1 M017 643L13911 SHEET M BASE B 1 A 653P11046 SCREW S PAN 3X6 B 653P1...

Page 10: ...N PULSE DETECTION CONSTANT CURRENT SOURCE CIRCUIT HPF 1 LPF AF AMP AF AGC OR PULSE DETEC TION 1 HPF NOISE AGC GATE PULSE GENERATOR CONSTANT VOLTAGE CIRCUIT SW1 SW2 PHASE CIRCUIT LEVEL DIFFERENTIAL DETECTION CIRCUIT SW3 CONSTANT CURRENT CIRCUIT WAVEFORM COMPENSATION SW4 SW5 BYPASS AMPLIFIER WAVEFORM COMPENSATION BUFFER AMPLIFIER PULSE DETEC TION 2 GATE PULSE 1 GATE PULSE 2 1 2 1 19 2 3 4 5 6 7 8 9 ...

Page 11: ... SDIN ISEL 2 0 SDOUTD1 SDOUTD2 SDOUT SCLK SCLK RDY RDY DRDY DRDY JX JX BITCLK BITCLK CLKOUT CLKOUT XTI XTI XTO XTO SMODE SMODE INIT_RESET INIT_RESET R_RESET R_RESET AINL AINL AINL AINL AINL1 AINL2 AINL3 AINL4 AINR AINR AINR AINR AOUTL AOUTR AOUTL AOUTR AINR1 AINR2 AINR3 AINR4 VREFH VCOM AOUTL1 AOUTL2 AOUTR1 AOUTR2 SDOUT Pin No 1 2 3 4 5 6 7 8 9 10 Pin Name AINL3 AINR2 AINL2 AINR1 AINL1 VREFH AVDD ...

Page 12: ...7 103L295O3 R CHIP 220k 103L295O6 R CHIP 390k R8N1 8N2 8N8 109P01218 R NETWORK CHIP 1k R3N1 109P01219 R NETWORK CHIP 4 7k R8N4 8N7 109P01213 R NETWORK CHIP 10k R8N5 109P01216 R NETWORK CHIP 47k R8N6 109P01225 R NETWORK CHIP 100k 141L180O6 C CERAMIC CHIP 5pF 141L181O3 C CERAMIC CHIP 12pF 141L181O9 C CERAMIC CHIP 22pF 141L182O7 C CERAMIC CHIP 47pF 141L183O5 C CERAMIC CHIP 100pF 141L160O5 C CERAMIC C...

Page 13: ...8 T50 1 D902 264P516O1 DIODE CHIP S3D6600 D205 264L067O3 DIODE Z CHIP MA8051M D941 990 264L067O2 DIODE Z CHIP MA8056H D202 802 264P584O1 DIODE Z CHIP MA8068M D807 813 264P584O5 DIODE Z CHIP MA8075H D801 942 264P584O7 DIODE Z CHIP MA8082M D980 264P584O9 DIODE Z CHIP MA8091L D910 911 264P585O6 DIODE Z CHIP MA8110M D375 475 etc 264P588O6 DIODE Z CHIP MA8270M Q750 760 770 260L010O1 TR CHIP 2SD601AS Q7...

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Page 17: ...Back side Back side Back side Model DY 3A66U AL PCB MAIN SUB Vol 1 Vol 2 Vol 3 Vol 4 SCHEMATIC DIAGRAM 17 ...

Page 18: ...18 SCHEMATIC DIAGRAM PCB MAIN SUB MODEL DY 3A66U AL Vol 1 ...

Page 19: ...19 SCHEMATIC DIAGRAM PCB MAIN SUB MODEL DY 3A66U AL Vol 2 ...

Page 20: ...20 Back side Back side Back side SCHEMATIC DIAGRAM PCB MAIN SUB MODEL DY 3A66U AL Vol 3 ...

Page 21: ...21 SCHEMATIC DIAGRAM PCB MAIN SUB MODEL DY 3A66U AL Vol 4 ...

Page 22: ...A D KEY2 A D key2 input I 5 5 5 26 N C Not used O L 76 REMO D C Remote controller code input I 5 5 5 27 N C Not used O L 77 S METER Electric field level input I 3 6 4 3 0 28 N C Not used I L 0 0 0 78 CAR SENCE Car type change input I 2 5 2 5 2 5 3 29 N C Not used O L 79 INIT1 Initialization change input I 5 5 5 30 N C Not used O L 80 HSD Offset detection input I L 0 0 0 31 RESET System reset input...

Page 23: ...C GND 0 Q201 E 6 4 17 BITCLK 17 FL 6 2 18 SDIN 18 POWER GND RL 0 19 SDINA 19 FL 6 2 IC201 5 3 3 20 SDOUTA 20 VCC Lch 13 2 21 SDOUT 21 RL 6 2 22 DRDY 3 3 0 3 3 0 3 3 0 22 MUTE 4 3 Q205 E 7 6 23 DVSS 0 0 0 23 RL 6 2 24 DVDD 3 3 3 3 3 3 24 POWER GND FL 0 0 25 RDY 3 3 3 3 3 3 25 HSD 13 2 Q990 E 5 6 26 SO 3 3 3 3 3 3 27 SI 3 3 0 3 3 0 3 3 0 28 SCLK 3 3 3 3 3 3 IC960 5 3 3 29 RQ 3 3 0 3 3 0 3 3 0 IC961 ...

Page 24: ... No Pin Name CH1 11 M BUSY CH1 12 D MTS CH2 12 M SCK CH2 13 SCK CH3 13 M DATA CH3 14 D STM CH4 15 MTS CH5 16 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 P201 P902 CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 CH4 CH5 24 ...

Page 25: ...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 PARTS LAYOUT ON PRINTED CIRCUIT BOARD PCB MAIN 14 15 SCHEMATIC DIAGRAM PCB MAIN 16 20 VOLTAGE 21 22 WAVEFORM 23 2006 DEC MITSUBISHI MOTORS Your company internal use only Copyright c Mitsubishi Electric Corporation MITSUBISHI ELECTRIC CORP SANDA WORKS CONTENTS ...

Page 26: ...emory 16M DRAM CD DA 10 4sec Skip recovered function Recovered the condition before skip Protected function of laser pickup stopping at high tem perature Quick truck selection function Any time Eject function Eject at the all mode included ACC OFF Scan function 10sec Reload function Available for loading 12cm disc only MP3 play function MPEG1 AUDIO LAYER3 MPEG2 AUDIO LAYER3 Repeat function One tun...

Page 27: ... UP DOWN Knob CD CHANGER PART Preset Memory Button AM 6 FM 12 CD Button Track Select UP DOWN Button Disc Select Button Repeat Random Button Radio SCAN UP Button READY INDICATOR FF REW Button UNIQUE PANEL SW 744 SW 745 CDDA Push the button 1 5 seconds or more MP3 Folder select UP DOWN Knob CD SCAN UP Button Audio Adjustment Switch Knob Power Switch Volume Adjustment Knob ...

Page 28: ...EJECT SW 8 POWER SW Pin No Name Pin No Name Pin No Name Panel 22P Connector CONNECTORS 1 2 3 4 5 6 7 8 9 10 11 12 1314 1516 17 1819 20 2122 Panel 22P Connector FRONT SIDE VIEW SYSTEM CONFIGURATION TELEPHONE UNIQUE PANEL MODULE SW 744 745 22P MAIN ANTENNA AUDIO UNIT DY 3A66U AL 2 T 13P 10P REMOTE CONTROL STEERING DISPLAY MN141556 Yazaki CD CHANGER MN141331 Matsushita MR588144 45 MMC ...

Page 29: ...peaker FR 2 Speaker FL 3 Illumination 4 Antenna B 5 Speaker RL 6 Speaker RR 7 Speaker FR Pin No Name Pin No Name Remote control 10P Connector 6 REMO OUT 7 Telephone Mute 8 Telephone GND 9 M BUSY 10 Shield Earth M BUS 1 REMO IN 2 3 Telephone Signal 4 M SCK 5 M DATA Pin No Name Pin No Name Antenna Socket 1 2 3 4 5 6 7 141312 1110 9 8 Power supply 14P Connector CD Changer 13P DIN Socket 1 2 3 4 5 6 7...

Page 30: ...ACKET CDX3 1 4 A COVER 2 Removal of CDX3 See Fig 2 1 Unscrew the six screws 2 2 Remove the HEAT SINK 3 Unscrew the four screws 3 4 Remove the BRACKET CDX3 and FLAT CABLE 18P 5 Remove the CDX3 Fig 2 1 Removal of COVER See Fig 1 1 Unscrew the four screws 1 2 Remove the COVER Fig 1 ...

Page 31: ... MAIN See Fig 4 1 Unscrew the two screws 5 and three screws 6 2 Remove the CHASSIS L and the CHASSIS R 3 Unscrew the one screw 7 two screws 8 and three screws 9 4 Remove the PCB MAIN Fig 4 Fig 3 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 ...

Page 32: ...WER SUPPLY DIGITAL 3 3V POWER SUPPLY DSP AK7740 ANALOG 3 3V POWER SUPPLY MECHA DSP 3 3V POWER SUPPLY DIGITAL 6 2V POWER SUPPLY BUS BUFFER SN74LV541A BATTERY 5V POWER SUPPLY MECHA SERVO 8V POWER SUPPLY RHEOSTAT ANT1 FE1 Q980 Q983 IC1 IC321 421 IC330 P901 Q910 911 etc CDX3 MECHA P201 IC201 Q201 IC801 Q940 IC302 Q205 IC380 P902 P903 Q750 760 770 etc IC390 Q990 IC960 IC961 IC301 Q965 P803 P804 13P DIN...

Page 33: ...3 M011 635J08311 HEAT SINK C 2 M030 246L222O0 FLAT CABLE 18P B 1 M031 560J35111 CHASSIS F A 3 M032 591K55310 COVER A 1 M033 593L69911 HOLDER IC B 2 M034 593L80911 BRACKET CDX3 C 1 M035 642K14611 SHEET CD A 3 M036 643L49311 SHEET A 3 B 3 M037 643L56610 CUSHION B 2 M038 940L10114 CDX3 955050 B 1 M039 943M215O2 NAME CARD DY 3A66U AL 2 T A 1 A 653P11046 SCREW S PAN 3X6 B 653P11048 SCREW S PAN 3X10 C 6...

Page 34: ...TECTION OUTPUT AF AGC 15 12 13 16 4 7 3 6 8 10 9 IF INPUT AF INPUT PHASE CONDENSER HOLDING CONDENSER BY PASS CAPACITOR AF OUTPUT IF AGC IF AMP LPF DETECTION PULSE DETECTION CONSTANT CURRENT SOURCE CIRCUIT HPF 1 LPF AF AMP AF AGC OR PULSE DETEC TION 1 HPF NOISE AGC GATE PULSE GENERATOR CONSTANT VOLTAGE CIRCUIT SW1 SW2 PHASE CIRCUIT LEVEL DIFFERENTIAL DETECTION CIRCUIT SW3 CONSTANT CURRENT CIRCUIT W...

Page 35: ...IN RQ SI SI SO SO SDINA SDIN ISEL 2 0 SDOUTD1 SDOUTD2 SDOUT SCLK SCLK RDY RDY DRDY DRDY JX JX BITCLK BITCLK CLKOUT CLKOUT XTI XTI XTO XTO SMODE SMODE INIT_RESET INIT_RESET R_RESET R_RESET AINL AINL AINL AINL AINL1 AINL2 AINL3 AINL4 AINR AINR AINR AINR AOUTL AOUTR AOUTL AOUTR AINR1 AINR2 AINR3 AINR4 VREFH VCOM AOUTL1 AOUTL2 AOUTR1 AOUTR2 SDOUT Pin No 1 2 3 4 5 6 7 8 9 10 Pin Name AINL3 AINR2 AINL2 ...

Page 36: ...377 477 141L160O5 C CERAMIC CHIP 470pF C17 31 etc 141L160O9 C CERAMIC CHIP 1000pF C384 385 484 141L185O9 C CERAMIC CHIP 1000pF C329 429 etc 141L161O1 C CERAMIC CHIP 1500pF C103 104 etc 141L161O3 C CERAMIC CHIP 2200pF C7 141L161O5 C CERAMIC CHIP 3300pF C13 383 etc 141L161O7 C CERAMIC CHIP 4700pF C8 11 etc 141L162O1 C CERAMIC CHIP 0 01µF C101 102 141L162O3 C CERAMIC CHIP 0 015µF C2 4 6 141L164O3 C C...

Page 37: ...Q802 260L030O2 TR CHIP DTC144E Q321 421 etc 260L033O1 TR CHIP DTC323T D901 903 264L042O1 DIODE ERA15 02 D201 940 264P607O2 DIODE CHIP 1SR154 400 D203 204 etc 264L060O1 DIODE CHIP 1SS355 D944 264P617O1 DIODE CHIP MC2836 D943 264P618O1 DIODE CHIP MC2838 D902 264P516O1 DIODE CHIP S3D6600 D205 264L067O3 DIODE Z CHIP MA8051M D941 990 264L067O2 DIODE Z CHIP MA8056H D202 802 264P584O1 DIODE Z CHIP MA8068...

Page 38: ...PCB MAIN TO CDX3 PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL DY 3A66U AL 2 T PARTS SIDE 14 ...

Page 39: ...PCB MAIN PARTS LAYOUT ON PRINTED CIRCUIT BOARD MODEL DY 3A66U AL 2 T PATTERN SIDE 15 ...

Page 40: ...16 Vol 1 Vol 2 Vol 3 Vol 4 PCB MAIN MODEL DY 3A66U AL 2 T SCHEMATIC DIAGRAM ...

Page 41: ...17 SCHEMATIC DIAGRAM PCB MAIN MODEL DY 3A66U AL 2 T Vol 1 ...

Page 42: ...18 SCHEMATIC DIAGRAM PCB MAIN MODEL DY 3A66U AL 2 T Vol 2 ...

Page 43: ...19 SCHEMATIC DIAGRAM PCB MAIN MODEL DY 3A66U AL 2 T Vol 3 ...

Page 44: ...20 SCHEMATIC DIAGRAM PCB MAIN MODEL DY 3A66U AL 2 T Vol 4 ...

Page 45: ... input I 5 5 5 25 POWER ON2 Power ON O H 5 5 5 75 A D KEY2 A D key2 input I 5 5 5 26 Not used O L 76 REMO D C Remote controller code input I 5 5 5 27 Not used O L 77 S METER Electric field level input I 3 6 4 3 0 28 Not used I L 0 0 0 78 CAR SENCE Car type change input I 2 5 2 5 2 5 3 29 Not used O L 79 INIT1 Initialization change input I 5 5 5 30 Not used O L 80 HSD Offset detection input I L 0 0...

Page 46: ...C GND 0 Q201 E 6 4 17 BITCLK 17 FL 6 2 18 SDIN 18 POWER GND RL 0 19 SDINA 19 FL 6 2 IC201 5 3 3 20 SDOUTA 20 VCC Lch 13 2 21 SDOUT 21 RL 6 2 22 DRDY 3 3 0 3 3 0 3 3 0 22 MUTE 4 3 Q205 E 7 6 23 DVSS 0 0 0 23 RL 6 2 24 DVDD 3 3 3 3 3 3 24 POWER GND FL 0 0 25 RDY 3 3 3 3 3 3 25 HSD 13 2 Q990 E 5 6 26 SO 3 3 3 3 3 3 27 SI 3 3 0 3 3 0 3 3 0 28 SCLK 3 3 3 3 3 3 IC960 5 3 3 29 RQ 3 3 0 3 3 0 3 3 0 IC961 ...

Page 47: ...m Pin No Pin Name Pin No Pin Name CH1 11 M BUSY CH1 12 D MTS CH2 12 M SCK CH2 13 SCK CH3 13 M DATA CH3 14 D STM CH4 15 MTS CH5 16 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 P201 P902 CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 CH1 CH2 CH3 CH4 CH5 23 ...

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