Pioneer MJ-D508 Service Manual Download Page 41

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MJ-D508

6. ADJUSTMENT

Thermometer
Oscilloscope
Optical Power Meter
Jitter Meter

Test Disc

For servo system adjustment ............................................. GGF1328 (MMD-212)

For recording/playback inspection ................... GGF1328 (MMD-212), GGF1277,

TGYS1 (or MMD-110), Commercial discs

JIGS AND MEASURING INSTRUMENTS

Adjustment points

When

Exchange

PICKUP

Servo Base Assy (SPINDLE MOTOR)

CORE MAIN UNIT ASSY

MD HEAD

Loading Mechanism Assy

Servo Mechanism Assy

MD Mechanism Assy
(Loading Mechanism Assy +
Servo Mechanism Assy)

2 – 8

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2 – 8

Page 43–48

Page 48

1 , 4 – 8

Page 43–48

3 – 8

Page 44–48

3 – 8

Page 44–48

6.1 NECESSARY ADJUSTMENT POINTS

Summary of Contents for MJ-D508

Page 1: ...S AND SPECIFICATIONS 68 MINIDISC RECORDER RRV2144 MJ D508 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 4 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 12 4 PCB CONNECTION DIAGRAM 28 5 PCB PARTS LIST 37 6 ADJUSTMENT 41 CONTENTS T ZZE MAY 1999 Printed in Japan Type Power Requirement Remarks Model MJ D508 THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S KUXJ AC120V MYXJ AC220 230V MYXJ...

Page 2: ...evident from visual inspection nor the protection afforded by them necessarily can be obtained by using replacement components rated for voltage wattage etc Replacement parts which have these special safety characteristics are identified in this Service Manual Electrical components having such features are identified by marking with a on the schematics and on the parts list in this Service Manual ...

Page 3: ...ontrol circuit The photo diode detect output of the laser diode then IC104 control the APC circuit according to the signal voltage of the photo diode via IC101 The Variable resistancer on the FPC in the Laser pick up assembly can be adjusted the output level of Laser diode to fix the rated output level Laser Interlock Switch The loading position detect switch S101 is set to LOAD ON ON low level OF...

Page 4: ...16 MYXJ MYXJGR FR and NVXJ types only 18 3 Front 17 1 1 2 2 1 2 1 2 2 2 2 2 NVXJ type only 2 EXPLODED VIEWS AND PARTS LIST NOTES Parts marked by NSP are generally unavailable because they are not in our Master Spare Parts List The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screw...

Page 5: ...d not used not used PHC1092 18 Vinyl Bag not used not used not used Z21 013 KUXJ MYXJ MYXJGR FR NVXJ Part No Mark Remarks Symbol and Description No MJ D508 Mark No Description Part No 11 Operating Instructions See Contrast table 2 12 Operating Instructions See Contrast table 2 13 Operating Instructions See Contrast table 2 14 Operating Instructions See Contrast table 2 15 Operating Instructions Se...

Page 6: ...0 20 22 17 4 11 15 12 24 1 5 10 16 9 9 21 21 24 10 26 27 28 21 25 CN404 CN603 CN602 CN401 23 Refer to 2 3 FRONT PANEL SECTION Refer to 2 4 MD MECHANISM ASSY 23 Except KUXJ type 21 21 14 KUXJ type only NVXJ type only MYXJ and MYXJGR FR types only NVXJ type only 3 29 2 2 EXTERIOR ...

Page 7: ...bel See Contrast table 2 27 Caution Label See Contrast table 2 28 Caution Label See Contrast table 2 29 Fuse See Contrast table 2 Mark No Description Part No 2 CONTRAST TABLE MJ D508 KUXJ MYXJ MYXJGR FR and NVXJ are constructed the same except for the following 1 MAIN UNIT ASSY RWZ4354 RWZ4359 RWZ4359 RWZ4359 2 POWER SUPPLY UNIT ASSY RWZ4358 RWZ4363 RWZ4363 RWZ4363 3 Power Cord PDG1064 PDG1058 PDG...

Page 8: ...MJ D508 8 2 3 FRONT PANEL SECTION A A B B 21 2 22 3 11 6 4 1 3 5 4 2 3 16 9 10 12 13 14 7 22 4 3 3 1 8 15 22 17 22 19 23 22 18 20 24 ...

Page 9: ...Window See Contrast table 2 13 Name Plate PAM1776 14 Front Panel See Contrast table 2 15 Sub Panel PNW2895 16 Door D508 PNW2905 17 Door Spring PBH1231 18 Edge Guard PBK1151 19 Door Cam PNW2898 20 Door Holder PNW2899 21 Screw ABA7009 22 Screw PPZ30P100FMC 23 Lead Card 30P RDD1404 NSP 24 Acetate Cloth Tape ZTA 570F 21BK 2 CONTRAST TABLE MJ D508 KUXJ MYXJ MYXJGR FR and NVXJ are constructed the same e...

Page 10: ...ASSY 49 48 40 42 38 43 40 33 44 31 28 32 34 40 11 5 10 17 6 4 9 54 19 21 20 18 37 16 26 15 13 14 37 12 53 52 51 A E E F F G G H A B B C C D D 37 8 40 24 25 39 27 41 35 36 29 39 46 23 30 45 2 3 50 47 54 CN103 CN101 CN102 CN105 1 H ...

Page 11: ...ring RBH1460 24 Lifter Spring RBH1462 25 Screw Guide RBK1072 26 S H Spring RBK1073 27 Guide Shaft RLA1312 28 Lead Screw RLA1311 29 Shield Case RNE1950 30 Reference Plate RNK2306 31 S Holder RNK2307 32 Worm Wheel RNK2309 33 Hook RNK2310 34 Head Lifter RNK2311 35 MD Head RPB1063 36 MD Pick up RWY1019 37 Screw Z39 019 38 Screw JFZ17P020FZK 39 Screw JGZ14P020FMC 40 Screw JGZ17P028FMC Mark No Descripti...

Page 12: ... 28 23 1 90 89 20 23 57 59 92 82 86 89 100 15 18 19 29 40 80 44 54 35 36 12 25 34 37 64 65 DIFFERENTIAL AMP IC112 BA4510F EFM EFMO EFMI EFMO FODF FODF FODR FODR TRDF TRDR SLDF SLDR TRDF TRDR SLDF SLDR DSCK LD SW1 PLOAD RLOAD DISC LD SPDF DSTB DADATA DOUT DIN ADDATA MDDATA SYSDATA RESET P DOWN SPDR LOADING MOTOR SLED MOTOR CARRIAGE REC HEAD SPINDLE MOTOR CORE MAIN UNIT ASSY RWZ4334 A POWER SUPPLY U...

Page 13: ... 15 17 18 19 20 21 22 23 24 25 26 27 35 36 42 45 70 1 19 21 28 36 39 35 32 31 8 7 7 9 29 32 34 2 14 BUFFER 3V 5V CONVERTER IC401 TC74HCT08AF BUFFER 3V 5V CONVERTER IC402 TC74HCT08AF DADATA ADDATA DIN DIN1 DIN0 XPD SYSRST XCS XWRQ XSCLK ROUT LOUT LIN RIN SO SI MAIN UNIT ASSY RWZ4354 KUXJ RWZ4359 MYXJ MYXJGR FR NVXJ C C 1 2 C 2 2 DISPLAY UNIT ASSY RWZ4355 KUXJ RWZ4360 MYXJ MYXJGR FR NVXJ E HEADPHONE...

Page 14: ... D508 14 A B C D 1 2 3 4 1 2 3 4 CORE SW UNIT ASSY RWZ4335 B CORE MAIN UNIT ASSY RWZ4334 A PICKUP ASSY CARRIAGE CN101 CN102 CN105 CN701 CN103 1 2 10 11 8 9 3 3 2 CORE MAIN UNIT and CORE SW UNIT ASSYS B A ...

Page 15: ...J D508 15 A B C D 5 6 7 8 5 6 7 8 A C CN401 CN104 PLAYBACK SIGNAL REC SIGNAL OUTPUT DIGITAL AUDIO SIGNAL INPUT DIGITAL AUDIO SIGNAL RF SIGNAL SIGNAL ROUTE 6 5 4 1 are waveform numbers on pages 26 and 27 ...

Page 16: ...V 3 2V 0V 0V 3 2V 3 2V 1 3V 1 5V 1 4V 1 5V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 PIN NO VOLTAGE 50 IC104 0 8V 1 4V 1 4V 1 4V 0V 0V 0V 0V 3 2V 0V 0V 3 2V 0V 0V 3 2V 0V 0V 0V 0V 0V 0V 3 1V 3 2V 0V 0V 3 2V 0V 0V 0V 3 2V 0V 0V 0V 3 19V 0V 3 18V 3 2V 0V 2 2V 1 2V 0 56V 1 49V 2 5V 0 88V 0 90V 0V 0 87V 3 2...

Page 17: ...0V 1 61V 1 61V 1 61V 1 61V 1 36V 1 36V 1 61V 1 61V 1 63V 2 41V 2 55V 2 47V 2 48V 0V 0V 2 79V 2 18V 0V 1 69V 5 0V 4 99V 1 67V 1 69V 1 69V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 42 41 40 39 38 37 36 35 34 33 32 31 VOLTAGE IC106 PIN NO 1 66V 1 62V 1 62V 0V 1 67V 1 67V 1 67V 3 19V 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC112 0V 3 2V 0V 3 2V 0V 0 11V 0V 0V 8 7 6 5 4 3 ...

Page 18: ... FR PDG1058 220V 50Hz NVXJ PDG1055 230V 50Hz RTT1346 POWER SUPPLY UNIT ASSY RWZ4358 KUXJ RWZ4363 MYXJ MYXJGR FR NVXJ D The power supply is shown with the marked box CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 49102 5 MFD BY LITTELFUSE INC FOR IC201 AEK7014 2 5A 3 3 MAIN UNIT 1 2 and POWER SUPPLY UNIT ASSYS ...

Page 19: ...54 KUXJ RWZ4359 MYXJ MYXJGR FR NVXJ C 1 2 F J901 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 400 MFD BY LITTELFUSE INC FOR IC301 AND IC305 AEK7004 400mA 400mA PLAYBACK SIGNAL REC SIGNAL SIGNAL ROUTE 18 is waveform number on page 27 ...

Page 20: ...MJ D508 20 A B C D 1 2 3 4 1 2 3 4 3 4 MAIN UNIT ASSY 2 2 C E CN701 13 14 16 15 12 17 ...

Page 21: ...MAIN UNIT ASSY 2 2 RWZ4354 KUXJ RWZ4359 MYXJ MYXJGR FR NVXJ C 2 2 A CN104 KUXJ type only MYXJ MYXJGR FR NVXJ types only PLAYBACK SIGNAL REC SIGNAL OUTPUT DIGITAL AUDIO SIGNAL INPUT DIGITAL AUDIO SIGNAL SIGNAL ROUTE are waveform numbers on page 27 ...

Page 22: ...3 4 1 2 3 4 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k 100k CN404 C DISPLAY UNIT ASSY RWZ4355 KUXJ RWZ4360 MYXJ MYXJGR FR NVXJ E 3 5 DISPLAY UNIT HEADPHONE UNIT and VOLUME UNIT ASSYS ...

Page 23: ...11 8 ENTER S712 3 S702 NAME S713 DISPLAY CHARA S703 0 EJECT S714 NAME CLIP S704 REC PLAY MODE S715 A B S705 EDIT NO S716 DIGITAL NR S706 1 S717 INPUT SELECTOR S707 SYNCHRO REC S718 DAC MODE S708 S719 TIMER S709 REC OFF PLAY S710 7 HEADPHONE UNIT ASSY RWZ4357 KUXJ RWZ4362 MYXJ MYXJGR FR NVXJ F VOLUME UNIT ASSY RWZ4356 KUXJ RWZ4361 MYXJ MYXJGR FR NVXJ G ...

Page 24: ...V 9 4V 8 7 6 5 4 3 2 1 PIN NO VOLTAGE IC603 0V 0V 0V 0V 0V 0V 5 0V 5 0V 0V 0V 0V 5 0V 0V 0V 0V 0V 0V 0V 0V 1 9V REC 1 6V 0V 2 5V 2 5V 0V 5 0V 0V 0V 2 2V 2 7V 5 0V 0 0V 5 0V 0V 5 0V 5 0V 0 0V 5 0V 5 0V 0 0V 4 7V 0 0V 4 9V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 2 5V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 P...

Page 25: ...tire FL not lit 30 7V Entire FL lit 5 0V 9 8 7 6 5 4 3 2 1 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 PIN NO VOLTAGE 50 IC701 59 58 57 56 55 54 53 52 51 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 PIN NO VOLTAGE 99 100 Entire FL not lit 28 9V Entire ...

Page 26: ...c div 10 CN105 pin1 LOAD CORE MAIN UNIT ASSY MODE STOP GND DC1V div 1mSec div 6 GND DC500mV div 2mSec div IC102 pin77 TE MON CORE MAIN UNIT ASSY MODE PLAY DISC TGTS1 or MMD 110 4 GND DC1V div 0 2 µSec div IC102 pin50 EFMO CORE MAIN UNIT ASSY MODE REC DISC GGF1328 MMD 212 5 IC102 pin75 FE MON CORE MAIN UNIT ASSY MODE PLAY DISC TGTS1 or MMD 110 GND DC100mV div 2mSec div 39 kΩ 820pF FE MON Note The e...

Page 27: ...2 GND DC2V div 0 5 µSec div 14 GND DC2V div 0 5 µSec div CN602 pin20 DA DATA MAIN UNIT ASSY MODE PLAY 1 kHz 0 dB 15 IC602 pin23 LRCK MAIN UNIT ASSY MODE PLAY 1 kHz 0 dB GND DC2V div 10 µSec div 17 GND DC2V div 0 2mSec div CN602 pin85 LOUT MAIN UNIT ASSY MODE PLAY 1 kHz 0 dB 18 IC603 pin1 MAIN UNIT ASSY MODE PLAY 1 kHz 0 dB GND AC2V div 0 2mSec div 16 IC602 pin22 BCLK MAIN UNIT ASSY MODE PLAY 1 kHz...

Page 28: ...essary parts for several destinations For further information for respective destinations be sure to check with the schematic diagram 4 View point of PCB diagrams Symbol In PCB Diagrams Symbol In Schematic Diagrams Part Name B C E D D G G S S B C E B C E D G S B C E B C E B C E Transistor Transistor with resistor Field effect transistor Resistor array 3 terminal regulator Capacitor Connector P C B...

Page 29: ...NIT ASSY A B CN701 IC101 IC106 IC102 IC103 IC104 IC114 Q101 Q102 RNP1733 B IC112 IC108 IC113 IC109 Q104 IC116 Q103 IC110 RNP1733 B LOADING MOTOR C CN401 REC HEAD PICKUP ASSY 1 2 6 5 8 9 3 10 11 4 4 2 CORE MAIN UNIT ASSY 1 are waveform numbers on pages 26 and 27 ...

Page 30: ...MJ D508 30 A B C D 1 2 3 4 1 2 3 4 A CN104 NEUTRAL LIVE POWER CORD IC305 IC301 IC302 IC306 POWER SUPPLY UNIT ASSY D MAIN UNIT ASSY C SIDE A 4 3 MAIN UNIT and POWER SUPPLY UNIT ASSYS ...

Page 31: ...MJ D508 31 A B C D 5 6 7 8 5 6 7 8 F J901 G J801 E CN701 IC604 IC603 IC307 IC601 SIDE A RNP1732 C RNP1732 C 12 15 16 14 13 18 17 are waveform numbers on page 27 ...

Page 32: ...MJ D508 32 A B C D 1 2 3 4 1 2 3 4 IC605 IC602 Q502 Q504 IC401 IC403 IC404 Q501 Q503 Q602 Q603 Q605 Q601 IC407 IC402 Q604 SIDE B RNP1732 C RNP1732 C ...

Page 33: ...MJ D508 33 A B C D 5 6 7 8 5 6 7 8 Q304 POWER SUPPLY UNIT ASSY D MAIN UNIT ASSY C SIDE B ...

Page 34: ...MJ D508 34 A B C D 1 2 3 4 1 2 3 4 DISPLAY UNIT ASSY E 4 4 DISPLAY UNIT ASSY ...

Page 35: ...MJ D508 35 A B C D 5 6 7 8 5 6 7 8 C CN404 SIDE A SIDE B RNP1732 C ...

Page 36: ...MJ D508 36 A B C D 1 2 3 4 1 2 3 4 VOLUME UNIT ASSY G HEADPHONE UNIT ASSY F C CN603 C CN602 SIDE A SIDE B RNP1732 C RNP1732 C 4 5 VOLUME UNIT and HEADPHONE UNIT ASSYS ...

Page 37: ...from 0 such as 560 ohm and 47k ohm tolerance is shown by J 5 and K 10 560 Ω 56 101 561 RD1 4PU 5 6 1 J 47k Ω 47 10 3 473 RD1 4PU 4 7 3 J 0 5 Ω R50 RN2H Â 5 0 K 1 Ω 1R0 RS1P 1 Â 0 K Ex 2 When there are 3 effective digits such as in high precision metal film resistors 5 62k Ω 562 10 1 5621 RN1 4PC 5 6 2 1 F LIST OF WHOLE PCB ASSEMBLIES KUXJ MYXJ MYXJGR FR NVXJ Part No Mark Remarks Symbol and Descrip...

Page 38: ...TOR QTL1015 L108 47µH RTL1003 L102 0 47µH RTL1007 SWITCHES AND RELAYS S101 S102 RSF1012 CAPACITORS C115 C146 CCSQCH101J50 C119 C120 CCSQCH120J50 C141 C144 C155 CCSQCH220J50 C174 C178 CCSQCH271J50 C194 CCSQCH331J50 C139 CEV101M4 C166 CEV101M6R3 C147 C148 C201 CEV470M6R3 C112 CEV4R7M35 C1000 C199 CKSQYB103K50 C129 CKSQYB122K50 C153 C154 CKSQYB153K50 C158 CKSQYB222K50 C196 C198 CKSQYB223K50 C103 C145...

Page 39: ...15 CEAT101M10 C417 C421 C429 C443 C601 CEAT101M10 C604 C612 C616 CEAT101M10 C507 C508 CEAT220M50 C614 CEAT221M6R3 C314 CEAT222M16 C551 C552 CEAT2R2M50 C410 CEAT330M50 C313 CEAT332M16 C315 C444 C505 C506 CEAT470M16 C559 C560 C565 C566 C619 CEAT470M16 C621 CEAT470M16 C324 CEAT471M6R3 C503 C504 C624 CEAT4R7M50 C442 CFTLA474J50 C447 C625 C626 CKSQYB102K50 C409 C441 C449 CKSQYB103K50 C553 C558 CKSQYB15...

Page 40: ...4 COIL RTF1167 SWITCHES AND RELAYS S701 RSC1003 S719 RSH1041 S702 S718 VSG1009 CAPACITORS C709 CEAL220M6R3 C705 C707 C710 C711 CKSQYB103K50 C713 CKSQYF103Z50 C703 C704 C706 C708 CKSQYF104Z25 RESISTORS All Resistors RS1 10S J OTHERS REMOTE RECEIVER UNIT GP1U27X CN701 CONNECTOR HLEM30S 1 V701 FL RAW1164 X701 8 388MHz RSS1042 HEADPHONE UNIT ASSY COILS AND FILTERS L903 COIL RTF1167 L901 L902 FERRITE B...

Page 41: ...rcial discs JIGS AND MEASURING INSTRUMENTS Adjustment points When Exchange Exchange Exchange Exchange Exchange Exchange Exchange PICKUP Servo Base Assy SPINDLE MOTOR CORE MAIN UNIT ASSY MD HEAD Loading Mechanism Assy Servo Mechanism Assy MD Mechanism Assy Loading Mechanism Assy Servo Mechanism Assy 2 8 Page 43 48 2 8 Page 43 48 8 Page 48 1 4 8 Page 43 48 3 8 Page 44 48 3 8 Page 44 48 6 1 NECESSARY...

Page 42: ...ck 6 2 1 Test Mode 1 main unit operation check How to enter into test mode 1 1 Hold the ENTER key and the STOP key depressed and press the POWER switch 2 SYSTEM TEST will be displayed on the FL display Operation check for the operation keys Operation check for other keys Operation Keys FL Display OFF S Y S T E M T E S T TIMER SW REC Entire FL lit PLAY Entire FL not lit DAC MODE D A C NAME CLIP N A...

Page 43: ...with an optical power meter ppw 4 At this time check that the measuring value PLAY ppw May be omitted power meets the standard value of the table on the right Note When the standard value on the right is applied the numerical value immediately after entry into test mode 2 shall be taken as the standard 5 Press the NAME key rpw REC power output status 6 At this time check that the measuring value R...

Page 44: ...orm a b Within 3 1 connection diagram and loosen the screw A at the side of the adjustment hole Turn the hole with a screwdriver until the Lissajous waveform becomes as shown in the figure and then tighten the screw A 5 Press the STOP key Adjustment end 3 Grating Adjustment Connection Diagram Adjustment Point Step No Operation Keys and Operation Method FL Display Status Remarks 1 Power ON while ho...

Page 45: ...til deFO AJST is displayed 4 Press the PLAY key PEG Defocus mode is entered and after automatic FESpp execution of normal adjustment the C1 error at of000c0015 the time of focus offset 0 is displayed 5 Check the jitter value and end the adjustment when the intermediate jitter value is 29 nsec or less 6 Press the NAME CLIP key of 04 c0032 The C1 error with application of a focus offset of about 0 4...

Page 46: ...Connection diagram Jitter Meter LEVEL JITTER GND CORE MAIN UNIT ASSY SIDE A REFO EFM MON Step No Operation Keys and Operation Method FL Display Status Remarks 1 Power ON while holding the ENTER key and the EJECT Test mode PLAY key depressed 2 Insert the test disc GGF1328 MMD 212 LOADING GRT AJST 3 Perform 5 Normal Adjustment step 3 step 4 AUTO AJST 4 Press the NAME CLIP key TEST PLAY TEST PLAY mod...

Page 47: ...form steps 6 to 9 in this condition TEST PLAY 14 Press the EJECT key eject the test disc EJECT GGF1328 MMD 212 and insert TGYS1 or LOADING MMD 110 GRT AJST 15 Perform steps 3 to 13 and check the jitter C1 a0062 c0009 Check that the jitter value meets the standard error with the test disc TGYS1 or MMD 110 a03d2 c0007 value of the following table a0712 c0006 16 Press the EJECT key EJECT The test dis...

Page 48: ...de 14 Perform steps 5 to 13 of 7 Jitter C1 Error Check a0069 c0009 Check the jitter C2 error at the inner at the time of Playback a03D9 c0007 intermediate outer circumference of GGF1277 At the time of self recording wait for seven a0719 c0006 and check that the jitter value satisfies the addresses after TEST PLAY start and then press standard value of the following table the REC key and enter into...

Page 49: ...T ASSY to MAIN UNIT ASSY START POWER ON No Yes Yes No Display is dark or Display flickers D202 Zener diode is short circuited or open SIO Error Message shown on the display Refer to DETAILS OF ERROR DISPLAY next page Connection of DISPLAY UNIT ASSY to MAIN UNIT ASSY or Connection of MD MECHANISM ASSY to MAIN UNIT ASSY is wrong IC301 Protector is open IC305 Protector is open IC201 Protector is open...

Page 50: ...t be read properly Inserted a disc but could not bring in FOCUS No recordable space when attempted to set REC PAUSE Disc only for playback was loaded when attempted to set REC PAUSE or edit Attempted to record or edit even through REC proof knob of disc for recording was in the REC proof state Attempted to edit track with write protect according to information on UTOC Measure Check if there are sc...

Page 51: ...urred due to shock during REC PLAY UTOC read was correct but could not be rewrite it The EEPROM data are incorrect Never completes EJECT Never moves HEAD UP Never moves HEAD DOWN The set microcomputer and MD mechanism microcomputer are not communicating properly Measure Operating method is wrong Try again using correct method Check according to TROUBLESHOOTING Faulty TOC or UTOC data or scratch on...

Page 52: ...01 at the rear of the CORE MAIN UNIT ASSY and remove the CORE MAIN UNIT ASSY 4 After the Carrier has been pushed in move the Upper Slider to the rear and stop it at the position where the Under Slider starts to move 5 Shift part B to the position shown in the figure while raising the Under Slider At the same time the Upper Slider moves to the front 6 Remove the Lock Plate One screw B 7 Remove the ...

Page 53: ...e screw C 4 Remove the hook of the S H Spring as shown in the figure on the right 5 Remove the Safety Screw 6 Raise the left side of the Guide Shaft and pull it out to the left 7 Remove the MD Pick up With the front facing down remove it to the front At this time the MD Pick up can be removed more easily when the Reference Plate is removed Removal of the MD Pick up MD Pick up Installation Perform ...

Page 54: ...fter Installation 1 Remove the Lifter SP 2 Tilt the Head Lifter to the rear and push part A to disengage it 1 Install part A in the Servo Base with the Head Lifter tilted to the back 2 Match the Head Lifter and the Servo Base as shown in the figure and then engage part B 3 While holding part B with your hand tilt the Head Lifter to the front and install the Lifter SP ...

Page 55: ...lesh Amp Input Output Control Circuit Address Buffer Line Decoder Column Decoder Output Buffer Input Buffer A0 A1 A2 A3 A4 A5 A6 A7 A8 9 24 DQ2 DQ3 25 DQ4 13 Vcc 3 3V 26 Vss 0V 22 2 DQ1 1 A9 5 CAS RAS W OE 7 2 1 IC 7 2 PARTS Block Diagram Pin Function M5M4V4400CTP 7 IC103 CORE MAIN UNIT ASSY DRAM Pin Assignment Top view The information shown in the list is basic information and may not correspond ...

Page 56: ...rsed output terminal 9 VM1 CH1 nonreversed output terminal 10 GND Motor GND 11 12 VM2 CH2 nonreversed output terminal 13 VM2 CH2 reversed output terminal 14 OUT2 E2 amplifier output terminal 15 IN2 E2 amplifier reversed input terminal 16 IN2 E2 amplifier nonreversed input terminal 17 MUTE1 Mute terminal CH1 to CH4 18 MUTE2 Mute terminal CH5 19 SS GND Small signal ground 20 VREF Reference voltage i...

Page 57: ...hannels possible System clock generation XIN XOUT XCIN XCOUT UART clock synchronized SI O 8bits 2 channels SB R0H R0L R1H R1L R2 R3 A0 A1 FB INTB ISP USP ROM MEMORY 16 bits CPU CORE I O PORT RAM 10k bite Port P0 8 Port P1 8 Port P2 8 Port P3 8 Port P4 8 Port P5 8 Port P6 8 Port P7 8 Port P8 7 Port P85 Port P9 8 Port P10 8 Internal Peripheral Functions Monitoring timer 16 bits Register Stack Pointe...

Page 58: ... the I O terminals of the main clock oscillation circuit Connect a ceramic oscillator or a crystal oscillator between the terminals XIN and XOUT In case of an externally generated clock enter the clock from the XIN terminal and leave the XOUT terminal open Impress 0 V Impress 2 7 V to 5 5 V These are 8 bit I O ports with the same functions as P0 By software selection they function as the I O termi...

Page 59: ...eparate bus setting These are CMOS 8 bit I O ports They have direction registers for I O selection and input or output port setting is possible individually for each terminal For an input port the existence or absence of a pull up resistance can be set by software in 4 bit units Data D0 to D7 I O is performed at the time of separate bus setting This are 8 bit I O ports with the same functions as P...

Page 60: ...or signal A 6 EIN I Tracking error signal E 7 TCG I Track cross signal 8 BIN I Focus error signal B 9 FIN I Tracking error signal F 10 VBAT I Power supply voltage detection signal for constant voltage servo 11 WBI I ADIP wobble signal 12 VDD1 Digital power supply 13 DGND Digital GND 14 TEST0 I Test use input normally connected to GND when used 15 TEST1 I 16 TEST2 I Test useinput Encoder ServoModea...

Page 61: ...hase error input for varying pitch 62 VDD1 Digital power supply 63 DGND Digital GND 64 XI I Oscillation circuit input 33 8688MHz 65 XO O No Name I O Description 66 DIN I Digital input signal 67 DOUT O Digital output signal 68 PLLBVC Capacitor connection terminal for PLLB signal 69 DGND Digital GND 70 LRCK O Music data Lch Rch changeover output 71 BCLK O Music data shift lock 72 DFCK O Clock for AD...

Page 62: ...MJ D508 62 PDG240A IC701 DISPLAY UNIT ASSY System Control µ com Block Diagram Pin Assignment Top view ...

Page 63: ... SCK1 IO IO Serial clock CH1 Input Output terminal 26 PB6 SC1 IO I Serial data CH1 input terminal 27 PB7 SO1 IO O Serial data CH1 output terminal 28 AVREF A Dconverterreferencevoltageinputterminal 29 PA0 AN0 I O A D converter analog input terminal 36 PA7 AN7 37 AVss A D converter GND terminal 38 RST System reset terminal L Active 39 EXTAL I System clock oscillation crystal connection terminal 40 X...

Page 64: ...gDRV External PNP drive output for the regulator 19 RegOUT Regulator output emitter follower output 20 RegNF Regulator feedback terminal Pre Driver 20 19 18 17 16 15 14 13 12 11 1 2 3 4 5 6 7 8 9 10 Vreg IN Reg NF Reg OUT Reg DRV VOS2 VDD VOS1 VOD1 VOD2 N C VSS Reg GND Reg SEL VG SVCC PD GND EFM MUTE N C N C No Name Description 1 VregIN Regulator input and regulator power supply 2 RegGND Regulator...

Page 65: ...l inversion signal 17 XSGAIN Logic signal output terminal outputs SGAIN signal inversion signal 18 AGND Analog part GND terminal 19 DGND Digital part GND terminal 20 DTEMP Tip temperature detection terminal 21 LATCH Latch signal input terminal 22 CLOCK Clock signal input terminal 23 DATA Serial data input terminal 24 DVCC Digital part power terminal 25 FOUT Servo use signal amp Tracking servo syst...

Page 66: ...3 14 15 17 18 19 20 21 22 23 24 25 16 1 2 3 4 5 6 TOC DNR D VOL COAXIAL OPTICAL ANALOG REMAIN TOTAL REHEARSAL 1 SYNCHRO S CUT A MARK MONO ALCA ADLC REC DISC TRACK TIME DATE L R B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 B15 B16 B17 B18 B19 B20 B21 B22 B23 B24 B25 B26 B27 B28 B29 B30 B31 B32 P36 S1 P35 5 7 P34 4 7 S2 P33 3 7 P32 2 7 B32 P31 1 7 B31 P30 5 6 B30 P29 4 6 B29 P28 3 6 B28 P27 2 6 B27 2G 1...

Page 67: ...MJ D508 67 ...

Page 68: ...ack or recording e A B Use to set a start point and an end point to mark a section of the disc for editing or repeat play r NAME CLIP Press to copy the current disc or track name to the recorder s memory t DISPLAY CHARA Press to switch between display modes elapsed time time remaining etc and between upper and lower case characters in disc track naming mode y Remote control sensor Picks up the inf...

Page 69: ...ME CLIP REC PLAY MODE SYNCHRO REC DIGITAL REC LEVEL 4 ANALOG REC LEVEL EDIT NO NAME PUSH ENTER LEVEL PHONES MIN MAX A B 0 EJECT DISC LOADING MECHANISM POWER MINIDISC RECORDER OFF ON DIGITAL NR TIMER REC OFF PLAY vC Û 1 0 2 3 4 5 6 7 8 9 10 7 Front View ...

Page 70: ...skip mode u PGM Lights when the recorder is in program play mode i A B Indicates that a section of disc has been marked o REC Lights during record mode 3 Lights during playback a 8 Lights when playback recording is paused s COAXIAL Lights when recording from the coaxial digital input d OPTICAL Lights when recording from the optical digital input f ANALOG Lights when recording from the analog input...

Page 71: ...de select track numbers in edit mode and select letters in disc track naming mode t MARK 10 0 Use for 0 or 10 when selecting track numbers y 10 Press to select track numbers over 10 u DISP CHARA Press to switch between display modes elapsed time time remaining etc and between upper and lower case characters in disc track naming mode i Playback control ENTER 3 Play 7 Stop 4 Skip back to last track ...

Page 72: ...IN x2 reference input level 500mV input impedance 50 kΩ Audio output Line output jacks RCA PIN x2 reference output level 500mV output impedance1 kΩ Headphone output jack 1 0mW volume max load impedance 32 Ω Other jacks Coaxial digital input jack RCA PIN 0 5 Vp p output impedance 75 Ω Optical digital input jack x1 Optical digital output jack x1 Control IN jack Except European model x1 Control OUT j...

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Summary of Contents for MJ-D508

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Pioneer MJ-D508, Service Manual, Page: 41 / 72

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Summary of Contents for MJ-D508

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