Mitsubishi DD-4021, Service Manual

Page 1: ... 1 BLOCK DIAGRAMS 1 6 1 SCHEMATIC DIAGRAMS CBA S AND TEST POINTS 1 7 1 WAVEFORMS 1 8 1 WIRING DIAGRAM 1 9 1 SYSTEM CONTROL TIMING CHARTS 1 10 1 IC PIN FUNCTION DESCRIPTIONS 1 11 1 LEAD IDENTIFICATIONS 1 12 1 EXPLODED VIEWS 1 13 1 MECHANICAL PARTS LIST 1 14 1 ELECTRICAL PARTS LIST 1 15 1 MITSUBISHI DIGITAL ELECTRONICS AMERICA INC 9351 Jeronimo Road Irvine CA 92618 1904 Copyright 2001 Mitsubishi Dig...

Page 2: ...ton Tray Lock mode is set to ON and Tray Lock On is displayed on the top right of the screen While the Tray Lock mode is on the tray cannot be opened or closed Other operations are available To release the Tray Lock mode perform the above procedures again Tray Lock mode is set to OFF and Tray Lock Off is displayed on the top right of the screen HOW TO MANUAL EJECT 1 Remove the Top Case 2 Insert th...

Page 3: ...dio PCM 3 1 Output Level 1kHz 0dB Vrms 2 0 3 2 S N dB 110 3 3 Freq Response DVD fs 48kHz 20 22kHz dB 2 CD fs 44 1kHz 20 20 kHz dB 2 3 4 THD N 1 kHz 0dB 0 005 NOTES 1 All Items are measured without pre emphasis unless otherwise specified 2 Power supply AC120 V 60 Hz 3 Load imp 100 K ohm 4 Room ambient 25 C 1 1 1 E5500SP ...

Page 4: ...he pickup lens when the diode is turned on Do not look directly at the laser beam Caution Use of controls and adjustments or doing procedures other than those specified herein may result in hazardous radiation exposure Do not look directly at the laser beam coming from the pickup or allow it to strike against your skin LASER RADIATION WHEN OPEN DO NOT STARE INTO BEAM CAUTION Location Inside Top of...

Page 5: ...Wires covered with PVC tubing 2 Double insulated wires 3 High voltage leads D Use specified insulating materials for hazardous live parts Note especially 1 Insulation tape 2 PVC tubing 3 Spacers 4 Insulators for transistors E When replacing AC primary side components transformers power cord etc wrap ends of wires securely about the terminals before soldering F Observe that the wires do not contact...

Page 6: ...ent be tween B earth ground power cord plug prongs and externally exposed accessible parts RF terminals an tenna terminals video and audio input and output ter minals microphone jacks earphone jacks etc is lower than or equal to the specified value in the table below Measuring Method Power ON Insert load Z between B earth ground power cord plug prongs and exposed accessible parts Use an AC voltmet...

Page 7: ...ck IC with tweezers while apply ing the hot air 3 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pack IC first apply soldering iron to center of the flat pack IC and heat up Then remove glue will be melted Fig S 1 6 4 Release the flat pack IC from the CBA using tweez ers Fig S 1 6 Caution 1 Do not supply hot air to the chip parts around the flat pack IC for over...

Page 8: ...lat pack IC you can remove it easily Fig S 1 3 2 Affix the wire to a workbench or solid mounting point as shown in Fig S 1 5 3 While heating the pins using a fine tip soldering iron or hot air blower pull up the wire as the solder melts so as to lift the IC leads from the CBA contact pads as shown in Fig S 1 5 4 Bottom of the flat pack IC is fixed with glue to the CBA when removing entire flat pac...

Page 9: ... difference caused by electro static charge during unpacking or repair work 1 Ground for Human Body Be sure to wear a grounding band 1MΩ that is properly grounded to remove any static electricity that may be charged on the body 2 Ground for Workbench Be sure to place a conductive sheet or copper plate with proper grounding 1MΩ on the workbench or other surface where the semiconductors are to be pl...

Page 10: ...ION 2 Electrostatic breakdown of the laser diode in the optical system block may occur as a potential difference caused by electrostatic charge accumulated on cloth human body etc during unpacking or repair work To avoid damage of pickup follow next procedures 2 1 Slide out the pickup unit as shown in Fig 5 2 2 Short the copper pattern half moon shape of FPC cable with solder before removing the F...

Page 11: ...Holder 5 DVD Mecha S 3 S 3 S 2 CN001 CN201 Fig 4 DVD Mecha Bottom View Pickup Unit A Short the copper pattern by soldering View for A Slide Fig 5 2 Front Assembly Tray Panel B B L 3 L 2 L 1 L 1 A Fig 2 S 1 S 1 1 Top Cover S 1 Fig 1 1 5 2 E5540DC ...

Page 12: ... 8 Rear Panel S 7 Fig 7 6 AV CBA 7 DVD Main CBA Unit S 6 S 6 S 6 L 5 S 4 S 4 S 5 S 5 CN701 CN501 S 5 Fig 6 1 5 3 E5540DC ...

Page 13: ...LK CN501 CN1001 CN2001 JP1003 JP1004 CN2003 9 7 6 8 19 14 15 16 17 18 REMOTE SENSOR RM2001 1G 11G 42 32 a KEY 1 b KEY 2 c KEY 3 d KEY 4 e f g h i K1 K2 FP STB FP DIN FP DOUT FP CLK GRID FIP SEGMENT FL2002 IC2003 KEY MATRIX MAIN CBA UNIT FUNCTION CBA AV CBA SWITCH CBA FG CBA MECHA CBA INNER CBA FRONT PANEL CONTROL BLOCK DIAGRAMS CN3004 CN3003 10 HWR TREV TIN TOUT TFW MUTE PS RS HINT HCS HWR 8 HRD 9...

Page 14: ... 13 10 9 18 17 16 15 AMP FOCUS DRIVE TRACKING DRIVE LOADING MOTOR DRIVE SPINDLE MOTOR DRIVE POWER SAVE SLIDE MOTOR DRIVE LOADING MOTOR SPINDLE MOTOR SLIDE MOTOR M 5 21 2 1 23 26 25 27 22 24 4 1 19 5 79 81 80 78 77 76 68 3 52 95 27 26 34 7 70 TP202 TP201 TP104 8 10 7 5 14 12 IC102 OP AMP 1 3 8 23 22 10 MAIN CBA UNIT HA1 HAO HRD HWR HCS HINT RS FROM TO SYSTEM CONTROL BLOCK DIAGRAM FROM SYSTEM CONTRO...

Page 15: ...GER 24 27 30 34 37 40 43 46 95 86 190 189 174 173 175 HD0 HD7 HD0 HD8 RA0 RA8 RD0 RD15 TO RF SIGNAL PROCESS SERVO BLOCK DIAGRAM TO VIDEO BLOCK SRV33M X301 33MHz PWM1 PWM2 CLV CAV MASTER CLOCK 99 57 100 101 156 FG BCA WE OE WE RAS UCAS LCAS RAS UCAS LCAS OE RA0 RA0 RA8 RA8 RD0 RD0 RD15 RD15 2 1 13 29 28 14 27 69 77 16 26 2 10 207 191 31 39 187 177 MCS 124 JITTER 83 MRDY 81 HRD 79 HWR JITTER MRDY HR...

Page 16: ... 18 39 16 8 1 25 16 6 13 29 45 DQ0 DQ15 DQML DQMU WE 15 64Mbit SDRAM 20 26 2 13 29 35 42 53 173 181 161 170 141 158 11 26 28 128 132 117 DATA VIDEO AUDIO SIGNAL DATA VIDEO SIGNAL RAS CAS LDQM UDQM WE RAS CAS 58 63 69 66 84 102 70 73 INTERNAL PERIPHERALS PORTS PROGRAMMABLE CPU INTERFACE CENTRAL COMMAND PORT FRONT END LINK INTERFACE ST20 ARBITER MEMORY CONTROLLER SDRAM ARBITER SHARED SDRAM INTERFACE...

Page 17: ... 3 13 14 15 16 FROM SYSTEM CONTROL BLOCK TO VIDEO BLOCK SERIAL PORT SERIAL CONTROL 4X 8X OVERSAMPLING DIGITAL FILTER FUNCTION CONTROLLER ENPHANCED MULTI LEVEL DELTA SIGMA MODULATOR DAC LPF AMP L CH R CH LPF AMP DAC ZERP DETECT SYSTEM CLOCK 3 1 2 6 7 5 AUDIO R OUT PCM SCLK SPDIF PCM DATA0 PCM LRCK ADAC MD ADAC MC ADAC ML PCM MCLK FROM VIDEO BLOCK AV CBA MAIN CBA UNIT VIDEO SIGNAL AUDIO SIGNAL DATA ...

Page 18: ... F2 P ON 12V P ON 5V P ON 3 3V EV 5V FL MAIN CBA UNIT Q1009 SHUNT REGULATOR SWITCHING D1008 RECTIFIER D1030 RECTIFIER D1003 RECTIFIER IC1004 IC1003 IC302 3 3V REG Q1002 12V REG 3 3V REG Q1004 CN1001 CN501 Q1005 Q1006 D1009 RECTIFIER D1013 RECTIFIER D1016 RECTIFIER SWITCHING CONTROL LATCH REG REG 1 2 6 BRIDGE RECTIFIER Q1007 Q1010 1 2 3 4 12 13 14 15 13 16 12 17 4 18 3 2 1 EV 9V P ON 5V P ON 5V EV ...

Page 19: ...er hazards Capacitor Temperature Markings Mark Capacity change rate Standard temperature Temperature range B 10 20 C 25 85 C F 30 80 20 C 25 85 C SR 15 20 C 25 85 C Z 30 80 20 C 10 70 C Capacitors and transistors are represented by the fol lowing symbols Note 1 Do not use the part number shown on these draw ings for ordering The correct part number is shown in the parts list and may be slightly di...

Page 20: ...of repaired units use only original replacement parts which are listed with their part numbers in the parts list section of the service manual 4 Wire Connectors 1 Prefix symbol CN means connector can disconnect and reconnect 2 Prefix symbol CL means wire solder holes of the PCB wire is soldered directly 5 Note Mark is a leadless chip component 6 Mode SP 7 Voltage indications for PLAY mode on the s...

Page 21: ...1 7 3 1 7 4 1 7 5 E5542SCM1 Main 1 5 Schematic Diagram ...

Page 22: ...Main 2 5 Schematic Diagram 1 7 6 1 7 7 1 7 8 E5542SCM2 ...

Page 23: ...Main 3 5 Schematic Diagram 1 7 9 1 7 10 1 7 11 E5542SCM3 ...

Page 24: ...Main 4 5 Schematic Diagram 1 7 12 1 7 13 1 7 14 E5542SCM4 ...

Page 25: ...1 7 15 1 7 16 Main 5 5 Schematic Diagram E5542SCM5 ...

Page 26: ...supply circuit are not defective before you connect the AC plug to the AC power supply Otherwise it may cause some components in the power supply circuit to fail CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N UTILISER QUE DES FUSIBLE DE MEMO TYPE RISK OF FIRE REPLACE FUSE AS MARKED This symbol m...

Page 27: ...AV 2 3 Schematic Diagram 1 7 19 1 7 20 E5542SCAV2 ...

Page 28: ...f PBC CD VIDEO DVD B CHP 9G TTL TRK 10G 11G A a d g h i j c b e f 11G 9G 10G 8G 7G 6G 5G 4G 3G 2G 1G a b c d e f g c d e f g h i j c d e f g c d e f g c d e f g h i c d e f g c d e f g c d e f g c d e f g c d e f g c d e f g h i j a b a b c d e f g a b a b a b a b a b a b a b a b a b FL2001 MATRIX CHART TRK DVD CD PBC CHP A B ...

Page 29: ...RESENT IN THE POWER SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ALSO IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT SLOWLY WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED BE5500F01016 A CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CONTINUE LES RISQES D INCELE N U...

Page 30: ... POWER SUPPLY CIRCUIT AN ISOLATION TRANSFORMER MUST BE USED ALSO IN ORDER TO HAVE THE ABILITY TO INCREASE THE INPUT SLOWLY WHEN TROUBLESHOOTING THIS TYPE POWER SUPPLY CIRCUIT A VARIABLE ISOLATION TRANSFORMER IS REQUIRED BE5500F01016 B Switch CBA Bottom View Switch CBA Top View CAUTION FOR CONTINUED PROTECTION AGAINST FIRE HAZARD REPLACE ONLY WITH THE SAME TYPE FUSE ATTENTION POUR UNE PROTECTION CO...

Page 31: ...1 7 27 Function CBA Bottom View 1 7 28 Function CBA Top View BE5560F01013 ...

Page 32: ...300 0 2V 0 2usec NOTE Input CD 1KHz PLAY WF8 WF11 DVD BLUE BACK STOP MODE WF1 WF7 WF8 PCM LRCK Pin3 of IC801 1V 0 2usec WF11 AUDIO L Pin7 of IC801 1V 0 5msec WF10 PCM MCLK Pin1 of IC801 1V 0 2usec WF9 Pin2 of IC801 1V 0 2usec PCM DATA0 WF6 Pin33 of IC601 0 2V 20usec VIDEO C WF7 Pin34 of IC601 0 2V 20usec VIDEO WAVEFORMS WF5 VIDEO Y Pin32 of IC601 0 2V 20usec ...

Page 33: ...UT 21 21 FP CLK 22 22 D GND 23 23 REMOTE 24 24 CN501 CN1001 CN2001 CN2003 GND 4 4 VIDEO Y 5 5 GND 6 6 VIDEO C 7 7 VIDEO V 1 1 GND 2 2 VIDEO U 3 3 GND 8 8 VIDEO CVBS 9 9 GND 10 10 GND 11 11 SPDIF 12 12 P ON 5V 13 13 A L MUTE 14 14 AUDIO L 15 15 A R MUTE 16 16 AUDIO R 17 17 A MUTE 18 18 CN701 CN1601 AC CORD AUDIO OUT L AUDIO OUT R VIDEO OUT VIDEO V OUT VIDEO U OUT VIDEO Y OUT DIGITAL AUDIO OUT S VID...

Page 34: ...CHARTS LSW2 LSW1 LM LM I o TL123 SP TP122 Tv TL122 0V 5V 0V Tray close Tray open Tray close Play Play Tray open Play 0V Eject key on 6V 2V 5V 0V Disc Rotation Eject key on 2V 2 0s 0V 6V 4 4s 1 2s 700ms 1 7s 0V 1 10 1 E5540TI ...

Page 35: ... Key Souce 1 15 Out b Key 2 Segment Output Key Souce 2 16 Out c Key 3 Segment Output Key Souce 3 17 Out d Key 4 Segment Output Key Souce 4 18 OUT e Display Segment 19 OUT f Display Segment 20 OUT g Display Segment 21 OUT h Display Segment 22 OUT i Display Segment 23 OUT j Display Segment 24 N U Not Used 25 N U Not Used 26 N U Not Used 27 N U Not Used 28 N U Not Used 29 N U Not Used 30 VEE Pull Dow...

Page 36: ... PT6315 1 E C B 2SA1015 Y TPE2 2SC1815 Y TPE2 KTA1266 Y 2SC1815 GR TPE2 2SA966 Y 2SC2236 Y TPE6 C KTC3205 Y E C B 2SC2785 J H F KTC3199 Y GR KRA110M KTA1273 Y KRC110M AT BA1L3Z T BN1L3Z P S D G 2SK2599 A K C E LTV 817B F LTV 817C F PS2501 1 D H L M W PF 5001 B C PC817 A B AB R A K KIA431 AN1431 NSC 1 5 BA033ST V5 1 12 1 E5540LE ...

Page 37: ...71 2L031 2B17 2L031 2L071 2L011 2L011 2L011 A2 2B5 A16 2L031 2L031 2L031 2L021 2L021 2L081 2L021 A15 A17 F1001 AC1001 2L041 2L041 A13 A13 1B1 Function CBA 2L031 See Electrical Parts List for parts with this mark Some Ref Numbers are not in sequence 2L051 2B2 2L081 2B6 A1X 2L022 S8 2L022 1 13 1 E5542EX ...

Page 38: ...Packing X10 X5 X2 X4 S2 S2 S4 Unit S1 A22 A30 A22 A30 X1 X25 X27 X31 1 13 2 E5542EX ...

Page 39: ...roper servicing Ref No Description Part No A1X FRONT ASSEMBLY E5542UD 0VM203258 A2 TRAY PANEL ASSEMBLY E5541JD 0VM411923 A13 FOOT K7010UA 0VM403657 A14 FOOT ASSEMBLY E5542UD 0VM412440 A15 MAIN CHASSIS E5500UD 0VM100944 A16 TOP COVER E5541JD 0VM304814 A17 REAR PANEL E5542UD 0VM203263 1B1 DVD MECHA N79F0EVM ACCESSORIES X1 REMOTECONTROLUNITDVD0842VCDVR020 or N9476UD REMOTECONTROL UNITDVD0842VCDVR020 ...

Page 40: ...1CMASDL100 C1203 CHIP CERAMIC CAP CH J 680pF 50V CHD1JJ3CH681 C1204 CHIP CERAMIC CAP CH J 680pF 50V CHD1JJ3CH681 C1205 CHIP CERAMIC CAP CH J 390pF 50V CHD1JJ3CH391 C1206 CHIP CERAMIC CAP CH J 390pF 50V CHD1JJ3CH391 C1207 CHIP CERAMIC CAP CH D 9pF 50V CHD1JD3CH9R0 C1208 CHIP CERAMIC CAP CH D 9pF 50V CHD1JD3CH9R0 C1221 ELECTROLYTIC CAP 10µF 16V M CE1CMASDL100 C1222 ELECTROLYTIC CAP 10µF 16V M CE1CMA...

Page 41: ... NPEC0LTV817F PHOTOCOUPLER LTV 817B F or NPEB0LTV817F PHOTO COUPLER PF5001 B C or QPE300PF5001 PHOTOCOUPLER PS2501 1H or QPEH0PS25011 PHOTO COUPLER PS2501 1L or QPEL0PS25011 Ref No Description Part No PHOTO COUPLER PS2501 1M or QPEM0PS25011 PHOTOCOUPLER PS2501 1W or QPEW0PS25011 PHOTOCOUPLER PS2501 1D or QPED0PS25011 PHOTOCOUPLER PC817 A or QPPA000PC817 PHOTOCOUPLER PC817 B or QPPB000PC817 PHOTO C...

Page 42: ...266 Y NQSY0KTA1266 Q1443 TRANSISTOR 2SA1015 Y TPE2 or QQSY02SA1015 Ref No Description Part No TRANSISTOR KTA1266 Y NQSY0KTA1266 Q1445 TRANSISTOR 2SA1015 Y TPE2 or QQSY02SA1015 TRANSISTOR KTA1266 Y NQSY0KTA1266 Q1461 TRANSISTOR 2SC2785 J or QQSJ02SC2785 TRANSISTOR 2SC2785 H or QQSH02SC2785 TRANSISTOR 2SC2785 F or QQSF02SC2785 TRANSISTOR 2SC1815 Y TPE2 or QQSY02SC1815 TRANSISTOR 2SC1815 GR TPE2 or Q...

Page 43: ...08 1 16W J 39k Ω or RRXGJR5Z0393 CHIP RES 1608 1 10W J 39k Ω RRXAJR5Z0393 Ref No Description Part No R1208 CHIP RES 1608 1 16W J 39k Ω or RRXGJR5Z0393 CHIP RES 1608 1 10W J 39k Ω RRXAJR5Z0393 R1209 CHIP RES 1 16W F 56k Ω or RRXGFR5Z5602 CHIP RES 100PPM 1 16W F 56k Ω RRXGFR5H5602 R1210 CHIP RES 1 16W F 56k Ω or RRXGFR5Z5602 CHIP RES 100PPM 1 16W F 56k Ω RRXGFR5H5602 R1211 CHIP RES 1608 1 16W 0 Ω or...

Page 44: ...S 1 16W F 330 Ω or RRXGFR5Z3300 CHIP RES 100PPM 1 16W F 330 Ω RRXGFR5H3300 Ref No Description Part No R1456 CARBON RES 1 4W J 360 Ω RCX4JATZ0361 R1457 CARBON RES 1 4W J 360 Ω RCX4JATZ0361 R1458 CHIP RES 1608 1 16W J 100 Ω or RRXGJR5Z0101 CHIP RES 1608 1 10W J 100 Ω RRXAJR5Z0101 R1459 CHIP RES 1608 1 16W J 75 Ω or RRXGJR5Z0750 CHIP RES 1608 1 10W J 75 Ω RRXAJR5Z0750 R1461 CHIP RES 1608 1 16W J 18k ...

Page 45: ... TYPE JACK MDC 050V 2 4 JXEL040LY001 RM2001 REMOTE RECEIVER PIC 37042LU USESJRSKK033 SA1001 SURGE ABSORBER CNR 10D471K or NVQZR10D471K SURGE ABSORBER JVR 10N471K or NVQZR10N471K SURGE ABSORBER ENC471D 10AC QVQZC471D10A T1001 PULSE TRANS SA 00718R LTT00CPSA094 W1001 24P FFC POWER TO MAIN WX1E5500 006 W1601 18P FFC POWER TO MAIN WX1E5500 008 WJ1001 4P P WIRE ASSEMBLY WX1E5520 001 Ref No Description ...

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