Pioneer DV-2750-S Service Manual Download Page 1

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Summary of Contents for DV-2750-S

Page 1: ...ONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 PIONEER CORPORATION 2004 DV 2750 S RRV2909 DVD PLAYER DV 2750 S THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL S AND TYPE S Model Type Power Requirement Region No Serial No Confirm 3rd 4th alphabetical letters DV 2750 S WYXCN AC220 240V 2 TE DV 2750 S WVXCN AC220 240V 2 TE For details refer to Important symbols for good services ...

Page 2: ...OUTPUT POWER 5 mW WAVELENGTH 780 nm Additional Laser Caution See page 49 1 Laser Interlock Mechanism Loading switch S101 on the LOAB Assy is used for interlock mechanism of the laser When this switch turned ON in SW2 CLOSE side OPEN signal is 0V and CLOSE signal is 3 5V a laser becomes the status which can completely oscillation Furthermore the laser completely oscillates in the disc judgment and ...

Page 3: ...es 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product performances But improper lubrication or applying glue may lead to failures or troubles in the product By following the instructions in this manual be sure to apply the prescribed grease or glue to proper portions by the appropriate amount For replacement parts or tools the prescribed ones sh...

Page 4: ...DM ASSY 36 4 3 FLKY and IRKY ASSYS 40 4 4 POWER SUPPLY UNIT VWR1377 42 4 5 SCRB ASSY 44 5 PCB PARTS LIST 45 6 ADJUSTMENT 47 6 1 ADJUSTMENT ITEMS AND LOCATION 47 6 2 JIGS AND MEASURING INSTRUMENTS 47 6 3 NECESSARY ADJUSTMENT POINTS 48 6 4 TEST MODE 49 6 5 MECHANISM ADJUSTMENT 50 7 GENERAL INFORMATION 52 7 1 DIAGNOSIS 52 7 1 1 TEST MODE 52 7 1 2 DISPLAY SPECIFICATION OF THE TEST MODE 53 7 1 3 FUNCTI...

Page 5: ...DV 2750 S 5 5 6 7 8 5 6 7 8 C D F A B E 1 SPECIFICATIONS ...

Page 6: ...e of the safety factor of the part Therefore when replacing be sure to use parts of identical designation Screws adjacent to mark on product are used for disassembly For the applying amount of lubricants or glue follow the instructions in this manual In the case of no amount instructions apply as you think it appropriate NOTES 16 15 12 11 12 3 4 5 9 6 14 10 8 7 3 For WVXCN Type For WYXCN Type WVXC...

Page 7: ...erating Instructions See Contrast table 2 Spanish Dutch 10 Operating Instructions See Contrast table 2 English 11 Accessory Box See Contrast table 2 12 Polyethylene Bag B5 VHL1051 13 Polyethylene Bag VHL1076 14 Pad L VHA1352 15 Pad R VHA1353 16 Packing Case See Contrast table 2 Mark No Description Part No Mark No Symbol and Description DV 2750 S WYXCN DV 2750 S WVXCN 1 Power Cable ADG1154 ADG1156 ...

Page 8: ... E 2 2 EXTERIOR SECTION A A B C D F E CONTACT SIDE NON CONTACT SIDE B F E E D C B G F G Refer to 2 3 FRONT PANEL SECTION 19 18 13 17 9 Refer to 2 4 04 LOADER ASSY 4 18 18 6 17 1 17 17 17 11 8 15 14 2 5 18 18 17 17 17 17 17 10 18 18 16 7 3 ...

Page 9: ...NSP 4 04 LOADER Assy VWT1210 5 Connector Assy 13P VKP2320 6 Connector Assy 5P VKP2324 7 Flexible Cable 20P VDA1992 8 Rubber Foot VEB1349 9 Binder VEC2414 10 Bonnet Case VNA2685 NSP 11 Base Chassis VNA2676 12 13 Rear Sheet VRW2046 14 DVD V Plate VAM1135 15 Tray Panel VNK5395 16 Caution Label VRW1872 17 Screw BBZ30P060FNI 18 Screw BBZ30P080FNI 19 Screw PPZ30P080FNI ...

Page 10: ...DV 2750 S 10 1 2 3 4 1 2 3 4 C D F A B E 2 3 FRONT PANEL SECTION CONTACT SIDE NON CONTACT SIDE C D 10 7 5 4 8 10 13 12 17 17 3 1 6 1 4 15 6 2 4 6 3 4 6 4 4 16 14 11 2 17 17 17 17 17 17 ...

Page 11: ...VWG2475 3 Flexible Cable 15P VDA1991 4 Front Panel Assy S VXX2923 NSP 5 Front Panel VNK5448 6 Main Key VNK5394 NSP 7 FL Lens VNK5396 8 Pioneer Name Plate VAM1129 9 10 Rubber Foot VEB1349 11 FP Angle VNE2340 12 Menu Key VNK5397 13 Enter Key VNK5398 14 Cursol Cap VNK5399 15 IR Window VNK5400 16 Enter Cap VNK5452 17 Screw PPZ30P080FNI ...

Page 12: ...B Assy VWG2346 2 Traverse Mecha Assy S DXX2536 3 Loading Motor Assy VXX2912 4 Motor Pulley PNW1634 NSP 5 Motor VXM1107 6 Flexible Cable 24P VDA1990 7 Connector Assy 2P VKP2325 8 Floating Rubber VEB1351 9 Belt VEB1358 10 Stabilizer VNE2253 11 Loading Base VNL1917 12 Float Base 04 VNL1968 13 Drive Cam VNL1919 14 Gear Pulley VNL1921 15 Loading Gear VNL1922 16 Drive Gear VNL1923 17 SW Lever VNL1925 18...

Page 13: ...View Daifree GEM1036 Inner side of a ditch Concave of unevenness Top View Bottom View Daifree GEM1036 Daifree GEM1036 Side of the rib Concave of unevenness Daifree GEM1036 Concave of unevenness Daifree GEM1036 Inner side of a ditch Lubricating Oil GYA1001 Inner side of a ditch Lubricating Oil GYA1001 Lubricating Oil GYA1001 Lubricating Oil GYA1001 Lubricating Oil GYA1001 Lubricating Oil GYA1001 ...

Page 14: ...02 12P CN401 13P CN2 13P LOAD SW2 GND LOAD M S101 2 1 1 2 3 4 1 2 SW1 5 5 3 4 CN103 24P CN601 CN602 CN104 CN105 15P AC IN CN1 E POWER SUPPLY UNIT LIVE NEUTRAL 1 2 ı1 4 ı2 4 ı2 4 ı2 4 ı1 4 IC60 BR24L02FV W EEPROM ı2 4 99 97 98 59 65 67 6 5 Q7 Q8 LD1 LD2 B F E C D A 47 48 31 1 15 30 34 2 24 26 27 28 40 35 6 TO TO FO SDATA 18 FEO SCL SDA 21 TEO FO HW HW HV HV HU HU SL2 5 SL2 9 SL1 10 SL1 PWMOUT1 TRIN...

Page 15: ... S_C S_Y G Y B Cb R Cr VOUTL VOUTR 4 7 8 2 6 10 12 14 23 V OUT C OUT Y OUT 26 21 18 16 20 V IN 2 16 3 1 C IN Y IN CY IN CY OUT Cb OUT Cr OUT Cb IN Cr IN CN103 4P CN105 4P KEY1 KEY3 KEY0 SEL IR 17 22 19 21 Y C ASDAT0 ACLK ALRCK ABCK 2 3 IR KEY 2 3 F SCRB ASSY IC402 MM1507XN 4 6 2 CN402 20P JA401 AV CONNECTOR CN801 20P 15 19 13 11 5 3 1 6 8 10 16 18 20 V V Y R C G B H L 1 AUD R OUT 3 AUD L OUT 15 11...

Page 16: ...4 CN103 24P CN601 CN602 CN104 CN105 15P AC IN CN1 E POWER SUPPLY UNIT LIVE NEUTRAL 1 2 ı1 4 ı2 4 ı2 4 ı2 4 ı1 4 IC60 BR24L02FV W EEPROM ı2 4 IC403 S L2980A33MC C6S 3V REG IC400 PST3228 RESET V 2R5 V 2R5 V 2R5 V 3E V 3 V 3_BE V 3_RF V 3_BE V 3_BEA V 3_BE V 3_BE V 6B IC402 PQ1M255M2SPQ 2 5V REG V 5 V 5V V 5S V 5S V 5S V 5S V 5S VCC IC401 PQ1M505M2SPQ 5V REG V 6 V 6 V 12 V 12 X601 187 11 212 2 5 14 2...

Page 17: ...1 PE5374A FL CONTROL MICROCOMPUTER VIDEO OUT COMPOSITE COMPONENT VIDEO OUT AUDIO OUT 2CH DIGITAL AUDIO OUT S VIDEO OUTPUT V 3A V 5V V 5V V 5V V 12 V 12 28V V 3E V 3E V 3E 60 6 1 24 25 59 3 4 X101 5MHz 1 3 5 28 5 6 1 V 3E 1 12 10 14 11 8 28V FL DC FL DC 3 3V RESET RESET 31 32 1 2 F SCRB ASSY IC402 MM1507XN CN402 20P JA401 AV CONNECTOR CN801 20P IC401 MM1505XN IC81 MM1566AJ VIDEO DRIVE AMP ı4 4 V 5V...

Page 18: ...1V div H 10µsec div V 2V div H 500nsec div 2 IC601 pin 21 FG V 1V div H 5msec div 5 Foot of R656 IC701 pin 3 AUDIO DAC LRCK 6 Foot of R656 IC701 pin 3 AUDIO DAC LRCK 7 Foot of R651 IC701 pin 1 AUDIO DAC BCK 8 Foot of R652 IC701 pin 2 AUDIO DAC DATA Waveform of DATA is unsettled V 2V div H 5µsec div 6 7 8 10 Foot of C842 IC801 pin 20 Component Video out Y V 1V div H 10µsec div 11 Foot of C852 IC801...

Page 19: ... DMSO_PLAY DMSO_OPEN DMS 3 V 1V div H 2sec div Foot of R614 IC601 pin 14 TROPEN Foot of R618 IC601 pin 18 DMSO V 1V div H 10µsec div V 1V div H 10µsec div V 1V div H 5µsec div V 1V div H 5µsec div V 1V div H 5µsec div OPEN KEY ON The condition which braking is worn in a turn of disc PLAY Braking a turn of disc OPEN KEY ON Tray opening PLAY KEY ON starting a turn of disc ...

Page 20: ...GNDV R CR JA401 SCART B CB GNDV GNDV G Y GNDV AUDIO R GNDA AUDIO L C GNDV V Y GNDV VSEL2 SQUEEZE V 5V VSEL1 V 12M SCRB ASSY VWV1993 F POWER SUPPLY UNIT VWR1377 E B DVDM ASSY VWS1572 RF IC BLOCK B 1 4 DVD IC BLOCK B 2 4 AUDIO BLOCK B 3 4 VIDEO BLOCK B 4 4 NOTES When ordering service parts be sure to refer to EXPLODED VIEWS and PARTS LIST or PCB PARTS LIST The mark found on some component parts indi...

Page 21: ...NSIDE ST2 B S101 M U V W HB V V W W U U V 5S FOCS RTN TRKG RTN FOCS DRV TRKG DRV VSHF GND LD 650 LD 780 PD GND VR780 VRCOM 650LD W V U TR ACTUATOR TD FD 780LD MPD OBJ FR GND FL DC GND RESET FL DC CTS KARAOKE ACK EV 3 3V 28V XREADY S F TO M POWER ON S M TO F XRESET SCK VR650 VREF 2 1V B2 B1 OEICG C 780 650 A 7 B4 VCC GND B3 8 XREADY S F TO M CTS KARAOKE SCK XRESET S M TO F RESET ACK POWER ON 1 14 E...

Page 22: ... GND V 5S 1 or VKN1180 VKN1235 1 8 GNDM YB YB YB 1 8 1 1 V 6 1 M63018FP TBB 10K 10K GNDM 4 7 4 7 4 7 4 7 4 7 4 7 V 6 220P 1 YB 0 01 1 YB 0 01 0 01 YB GND V 6 1 V 3_RF 10K 10K 10K 10K 10K 2 1 5 4 3 6 8 9 10 7 12 13 14 11 15 16 17 18 22 19 21 20 23 24 11 12 10 2 4 3 2 1 6 8 9 6 7 2 4 5 3 1 3 5 2 4 1 2 3 1 4 4 5 8 6 1 3 2 7 13 11 10 15 12 14 16 9 19 20 18 21 17 41 42 37 40 39 38 36 35 34 33 32 28 29 ...

Page 23: ...67 66 65 64 56 57 60 58 59 61 62 63 53 54 55 48 49 50 51 52 31 32 33 34 29 30 39 40 41 42 43 44 45 46 47 35 37 36 38 DVDB DVDC MC DVDA MB MA MD SA SB AGND SC IR AVDD SD SVDD TNI CDFOP CDFON TPI AGC1 SGND WGAND AGNDX WOBSO WVDD AVDDO AGC3 MDI2 WAVDD AGC2 RFSUBO MDI1 LDO1 LDO2 WGND DVDD DVDRFIN DVDRFIP CDB CDA CDC OSN RFGCU RFFGC OSP CDD CEOP AGNDX MON CEON AGNDX RFGCI MOP SW1 SW2 SW0 REFSIN SINPHI ...

Page 24: ...CK DVDD3 DVSS XTALO XTALI PRST VFO13 WOBSI SDATA IDGATE DVDD3 UDGATE RFSUBI ADCVSS SDEN SLCK BDO ADIN RFLEVEL CSO FEI TEZISLV TEI to IC801 2pin page4 4 page4 4 to IC801 4pin UP1_5 UP1_4 UP1_3 UP1_2 DVSS IOCS 57 IOOE IOWR IOA7 A16 IOA20 IOA6 A17 IOA18 IOA19 APLLVSS 56 ALE 55 APLLVDD3 SDA GND SCL VCC WP NC NC NC IOA1 DVDD2 IOA2 IOA3 IOA5 AD0 IOA0 IOA4 AD7 AD6 AD3 DVDD3 AD5 AD4 AD2 AD1 HIGHA6 HIGHA7 ...

Page 25: ...ER SUPPLY AUDIO MUTE AUDIO AMP FLASH ROM FTS DRIVER 69pin 68pin 62pin 63pin from to IC601 page2 4 AUDIO DAC from page3 4 FLDC GND GND XNOR KARAOKE RESET ACK FLDC 28V 3 3V XREADY S FtoM POWER ON S MtoF XRESET SCK to FLKB DVD IC FLASH ROM SCART DVD IC RF IC DVD IC DVD IC AUDIO DAC PU VIDEO DRIVER SCART OPT COAX OUT DOWNLOAD SDRAM GND 150 F GND GND 150 F 150 F GND GND 1 150 F 1 1 1 1 V 3_BE 64M SDRAM...

Page 26: ...7pin 143pin 144pin 142pin from IC601 page2 4 6 7 8 2 3 4 5 11 9 10 14 12 15 13 1 16 3 1 2 R730 C721 D731 C731 R724 C730 R731 Q730 R720 R700 R777 R707 L707 R770 C711 C777 C706 IC701 2ch AUDIO DAC C705 R750 R751 Q751 C701 IC703 R702 R701 C702 C704 C703 D700 GNDA 100 10 100 10 V 12 22K 22K GND 47 GND 100 10 GNDA 100 10 PCM1742KE TBB 0 1 GNDA 10K 1K GNDA GNDA V 3A 1000 6 3 V 12 V 5V V 5A 0 1 0 1 GND V...

Page 27: ...R752 R754 R753 Q752 Q791 R794 R793 R795 R791 R792 C792 C790 Q746 L797 R796 R797 C793 Q753 L790 AUDIO_R AUDIO_L COAXIAL 18K D 100P 10K D 10K 680P 0 1 680P 0 1 BA4560F TBB 47 16 GNDA 220 2SD2114K VW TLB 22K 470 BA4560F TBB 47 16 22K 470 220 220 330P 220 330P DTC114YUA TLB 10K D 10K 18K D 100P GNDA 0 1 2SD2114K VW TLB 47 16 V 12 GNDA GNDA 4 7K GNDA 1 8K 2SA1576A QR TLB or 2SA1602A EF TLB 2SC4081 QR T...

Page 28: ...2 Y out CY out GND2 V out S2 S1 C out DC out 138pin 134pin Vcc1 Vcc2 page2 4 from IC601 Q801 GND DTC114YUA TLB VSEL1 from IC601 132pin page2 4 2 4 B 7 8 6 3 2 4 5 1 9 11 10 13 15 14 12 16 C88 C86 C87 C85 C84 IC81 VIDEO AMP DRIVER C83 R83 R81 R82 C82 GND GND 0 1 0 1 0 1 0 1 MM1566AJ TBB V 5V Y in BIAS GND1 C in MUTE1 V in MODE1 Vcc1 YSAG Y out GND2 VSAG V out MODE2 C out Vcc2 R Cr B Cb G Y R Cr B C...

Page 29: ...from page3 4 from page3 4 R L DIGITAL AUDIO OUT COAXIAL AUDIO OUT 2CH S VIDEO OUTPUT VIDEO OUT COMPOSITE COMPONENT VIDEO OUT 19 20 17 18 15 16 10 11 13 12 14 9 7 8 6 4 5 2 3 1 R892 R893 R894 C81 C80 CN801 VSEL2 SQUEEZE VSEL1 FRONT_R FRONT_L GNDA GND 0 1 1 V 5V V 12 52045 2045 or HLEM20S 1 or 9604S 20S from page3 4 to SCART connector R Cr GNDV B Cb GNDV GNDV G Y GNDA AUDIO_R AUDIO_L GNDV GNDV V Y G...

Page 30: ... R423 R425 R424 R427 R426 C423 GNDV 0 1 0 1 GNDV GNDV 0 1 1SS355 1SS355 GNDA GNDV GNDV 0 1 10 50 MM1507XN GNDV GNDV V 5V V 5V 0 1 1SS355 1SS355 GNDV MM1505XN V 5V V 5V GNDV V 12M HLEM20S 1 GNDV GNDV V 5V 4 7k 2SC4081 V 5V GNDV GNDV GNDV GNDV 56k 0 1 8 2k 1SS355 2SA1576A 560 820 6 8k GNDV 1 5k 1 2k 1 2k 0 1 V 12M V 12M V 5V CN801 B 4 4 F SCRB ASSY VWV1993 S C C S Y Y R Cr G Y B Cb V V S Y Y S C C V...

Page 31: ...11 10 13 14 6 5 9 4 7 8 3 1 2 C421 C417 C414 R420 Q401 C407 R415 R416 Q402 R410 R413 R418 C410 R414 C408 C409 R422 R421 C412 C411 C404 C403 R408 R412 C406 C405 R405 C401 R402 C402 JA401 R401 470 6 3 100 10 GNDA GNDV 4 7k GNDV GNDV 56k 1 2k 2SC4081 GNDV 0 1 2SA1576A 22k GNDV GNDV 75 68 F F GNDV V 5V 100 10 V 5V 100 10 75 75 F GNDV GNDV F 75 F 330P 220 GNDA GNDA 330P VKB1157 220 R C V Y G Y B Cb G Y...

Page 32: ...4 P3 P2 G7 NC NC NC G8 60 28V 59 VDD G3 G4 G5 G6 G1 G2 GND IC X2 X1 1 VDD 41 LED5 42 LED4 43 LED3 FL CONTROL MICROCOMPUTER 44 LED2 SO SCK SI RESET IN CTS RESET OUT POWER ON XREADY NOR KARAOKE FL SET2 TEST3 ON POWER MS1_2 MS0_1 MS1_0 MS0_0 MS1_1 18 GND 19 KEY3 20 KEY2 OEM TES ACK MS0_2 SEL IR HALT LED8 KEY0 KEY1 VDD VDD GND Note1 KEY2 KEY0 HOMEMENU 270 TOPMENU 270 LEFT 270 DOWN 270 ENTER 270 KEY3 K...

Page 33: ... mounted GND FLDC GND 28V V 3E 3 3V FLDC ACK RESET CTS SCK XRESET S MtoF POWER ON VKN1219 S FtoM XREADY UP 270 RIGHT 270 MENU 270 RETURN 270 PAUSE 270 STOP 270 IR GND KEY CN103 V 3E POWER 270 270 S103 S104 270 S101 S131 S130 S129 VWG2475 VWG2476 ALL TACT SWITCHES VSG1024 CN105 14 15 10 12 13 11 8 6 7 9 1 2 3 4 5 4 3 2 1 4 3 2 1 2 3 1 CN105 B 2 4 D IRKY ASSY VWG2475 C FLKY ASSY VWG2464 FLKY ASSY S1...

Page 34: ...ed mark on the board when the primary section of POWER SUPPLY SYPS Unit is repaired Please take care to keep the space not touching other parts when replacing the parts POWER SUPPLY UNIT VWR1377 E CP1 CAUTION FOR CONTINUED PROTECTION AGAINST RISK OF FIRE REPLACE ONLY WITH SAME TYPE NO 491 800 MFD BY LITTELFUSE INC FOR CP1 AEK7008 NOTE FOR FUSE REPLACEMENT FOR CONTINUED PROTECTION AGAINST RISK OF F...

Page 35: ...matic diagrams 2 A comparison between the main parts of PCB and schematic diagrams is shown below 3 The parts mounted on this PCB include all necessary 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 ...

Page 36: ... C407 R411 C403 Q402 R444 Q403 IC402 IC404 C43 IC301 C45 CN61 R668 Q5 R21 IC60 C60 R69 Q412 C416 R666 R421 R115 R117 R124 R664 C102 C120 C118 C432 R414 R420 R422 R423 IC601 R68 R66 R657 R659 C601 CN401 C116 C699 C633 R413 R614 C614 IC602 CN102 R691 R688 C670 C650 R617 R642 R643 R648 R649 C655 C697 R603 R604 C608 C613 C682 C666 C630 C620 C639 R651 C7 C635 C600 C629 C627 C628 C622 C624 R400 IC400 Q7...

Page 37: ...663 C804 C791 R792 R793 R791 C831 R794 R795 C841 Q791 JA801 C792 C851 C861 R660 C688 C681 C793 C604 R601 C603 C83 IC801 C803 C35 C811 C821 C606 IC81 C661 R796 R607 C602 R602 C692 C39 C88 R687 C19 C17 IC301 R77 R723 C722 R722 R725 C723 C732 R721 R711 IC702 R83 R81 R82 C701 C862 C872 1 C702 R413 R871 CN802 L790 C731 R33 C13 C790 C882 L881 R881 L891 C892 C832 C823 R821 R806 Q805 R891 R894 R893 R17 R3...

Page 38: ...DV 2750 S 38 1 2 3 4 1 2 3 4 C D F A B E SIDE B B 1 8 2 0 1 CN702 C N 8 0 1 1 DVDM ASSY B VNP1957 B CN801 ...

Page 39: ...DV 2750 S 39 5 6 7 8 5 6 7 8 C D F A B E SIDE B B 15 1 1 12 4 1 5 1 1 4 C N 40 1 CN102 CN103 CN105 CN602 CN101 CN104 CN104 CN102 CN101 CN401 CN103 CN105 ...

Page 40: ...45 R190 D103 R152 R192 R181 D107 C182 ASSY VWM2 GB 04 IRKY ASSY CN104 CN103 CN102 1 5 GND PC LED THAI VNZ1765 C KEY0 3 3V 270 IR 270 VNZ1766 C LED TAI CN103 CN104 S1 S125 W152 W151 S122 CN102 W169 S129 S101 IC104 S130 D105 S103 S131 W154 S104 L101 W135 W136 W134 C181 PAUSE370 1 4 PAU IRKY ASSY 370 270 POWERON270 VWG2475 VWG2476 VWG2477 POWERON370 370 270 STOP370 FLKY ASSY STOP270 CN103 CN103 IRKY ...

Page 41: ...7 CTS 9 ACK 15 GND 13 GND 2 S F TO M 1 XREADY CN101 15P CN105 CN104 CN101 32 28 5 1 3 3V 370 KEY2 KEY3 270 CONTACT SIDE UP IR 370 KEY2 1 5 v3 3V CN105 GND 1 15 KEY1 GND IR 270 3 3V KEY3 270 3 3V GND 3 3V GND IR 370 3 3V GND FLDC 28V 28V LED TAI S111 S112 V101 S113 W122 W111 W140 S117 IC102 W116 FL102 CN104 S123 S126 S125 W114 W115 S115 W107 W150 S110 W155 CN101 S118 S116 S114 C188 L102 S108 C101 W...

Page 42: ...DV 2750 S 42 1 2 3 4 1 2 3 4 C D F A B E 4 4 POWER SUPPLY UNIT VWR1377 E E VWR1377 B POWER SUPPLY UNIT VWR1377 CN401 B CN2 AC IN ...

Page 43: ...DV 2750 S 43 5 6 7 8 5 6 7 8 C D F A B E E E VWR1377 B POWER SUPPLY UNIT VWR1377 ...

Page 44: ...24 R421 R414 D403 C412 R413 D405 R422 C414 C405 R431 R410 D408 C407 C406 C416 R429 IC401 IC402 Q401 0 G N D V 1 G N D V G N D V 0 G N D A 0 1 G N D V R C R 3 Q402 1 G N D V A G N D V Y 8 8 8 9 V 9 9 6 A U D IO L 6 B C B 6 Q404 7 7 7 5 5 5 V S E L 2 S Q U E E ZE 4 4 A U D IO R V 5 V 4 V 1 2 M V S E L 1 Q403 VWV 3 G Y 2 3 2 1 5 5 2 1 C C N 4 0 2 2 0 1 FC DC CN402 C417 C421 W409 W413 W401 W414 C422 W...

Page 45: ...75 IC101 M63018FP IC81 MM1566AJ IC801 MM1623BF IC301 MT1336E L1 IC601 MT1379EE L1 IC701 PCM1742KE IC402 PQ1M255M2SPQ IC401 PQ1M505M2SPQ IC400 PST3228 IC403 S L2980A33MC C6S IC603 VYW2200 Q753 2SA1576A Q401 Q403 2SA1602A Q4 Q402 Q791 2SC4081 Q746 Q748 Q756 Q758 2SD2114K Q412 Q751 Q752 Q801 DTC114YUA Q7 Q8 HN1A01F Q5 UM5K1N COILS AND FILTERS L790 L851 L861 CHIP BEADS VTL1089 CAPACITORS C644 CCSRCH10...

Page 46: ...TORS IC101 PE5374A SWITCHES AND RELAYS S110 S118 S125 S128 VSG1024 CAPACITORS C183 CKSRYB102K50 C102 C105 CKSRYF104Z25 C104 CKSRYF104Z50 RESISTORS All Resistors RS1 16S J OTHERS CN103 CONNECTOR B4B PH K V101 FLUORESCENT TUBE VAW1077 CN101 15P CONNECTOR VKN1275 X101 5MHz VSS1142 DIRKY ASSY SWITCHES AND RELAYS S101 S103 S104 VSG1024 CAPACITORS C182 CKSRYF104Z25 RESISTORS Mark No Description Part No ...

Page 47: ...arse Adjustment DVD Error Rate Adjustment Electrical adjustments are not required Adjustment Points Mechanism Part Cautions After adjustment adjustment screw locks with the Screw tight 1 2 Radial adjustment screw 1 2 Tangential adjustment screw Screwdriver large TV monitor Precise screwdriver DVD test disc GGV1025 Test mode remote control unit GGF1381 Screw tight GYL1001 Screwdriver medium Solderi...

Page 48: ...crew locks with the Screw tight Ÿ Mechanical point Electric point Mechanical point Electric point Mechanical point Electric point LOAB and DVDM ASSYS Exchange Parts of Mechanism Assy Exchange PCB Assy When Adjustment Points Exchange the Pickup Exchange the Traverse Mechanism Exchange PC Board ...

Page 49: ...ss the play key of the normal remote control unit Player TEST MODE PLAY TEST MODE OFF An address is displayed OR ESC PLAY ESC TEST CHECK DVD CD DVD disc POWER ON OFF POWER DISC SET Notes After going into test mode if you play back the disc DISC NON is displayed The video signal and the audio signal are outputted during the test mode The SKIP key and the SCAN key are effective during the test mode ...

Page 50: ...ND LOCATION START Tangential and Radial Height Coarse Adjustment 1 Note Before removing the flexible cable for the pickup soldering of the pickup circuit is necessary For details see 7 1 10 DISASSEMBLY Pass through the guide shaft to a new pickup Assy S Attach it to the Traverse Mecha Assy Attach the Traverse Mecha Assy to the Loader Assy Turn it over and attach the joint and the joint spring Arra...

Page 51: ...F in case of NG once and perform the adjustment once again CHP TIM ESC ESC Service mode Service mode end ESC N G OK Play the DVD test disc at inner track Display BER on the monitor CHP TIM ESC Notes Use disc GGV1025 BER Block Error Rate Unfasten the radial adjustment screw by 90 degrees step till BER becomes over 1E 3 again Record the number of rotation N1 Fasten the radial adjustment screw till t...

Page 52: ...emote control unit Light the all FL and LEDs OSD displays test mode Note When pressing the keys of something the FL displays NO DISC and the LED lighting disappears 2 Release the Test mode Turn off the power Press the ESC A8 5F key of the remote control unit and reset it 3 LD ON DVD Press the TEST A8 5E and 1 A8 01 keys in order and turn on the laser diode 650n CD Press the TEST A8 5E and 4 A8 04 ...

Page 53: ...ue M Unknown 01 or 41 Open state 04 Close state 08 During opening 12 During closing 22 8 Slider position S In Side Switch ON 01 In Side Switch OFF 00 9 Output video system V NTSC system NTSC PAL system PAL Automatic setting AUTO Scart terminal output SK Display only the WY model which can do the output setting of scart terminal VIDEO 00 S VIDEO 01 RGB 02 0 Disc sensing DSC The type of discs loaded...

Page 54: ... press the AUDIO key while holding the ESC key pressed and then input the region number if the number is different from that set in the unit an error message is displayed and the tray opens Command Contents Conditions Remote Control Key Name Remote Control Code Memory clear and region revision indication CLEAR 1 A8 45 Average value measurement of DVD error rate 5 1 A8 05 CD error rate measurement ...

Page 55: ...1 Destination indication Display it according to model information set from the FL controller 2 Region No 3 Part number 4 ROM version 5 Flash size 6 FL controller version 7 CHIP VERSION 8 RF VERSION 9 Remote control code 0 Key code of Main unit To display model information Press the ESC key then the CHAP key To close the model information display Press the ESC key Don t care ...

Page 56: ...played in exponential notation ERROR RATE Calculation of the average error rate For DVDs OK with 5 0e 4 or less for CDs OK with 7 6e 3 or less 3 EDC ID error history ID Address EDC ID errors last eight errors Note Error of AV1 is not supported in this player Number of error Indication plan contents Character in bold Item name Information display 1 2 3 ex For DVDs Step 1 e e 6 OK e 5 OK e 4 Refer t...

Page 57: ...sc including a test disc DVD GGV1025 CD STD 905 cannot be performed How to diagnose In the case mentioned above degradation of the laser diodes LDs mounted on the PICKUP Assy is suspected Measure the voltage between the two ends of one of the resistors mentioned below Measure the voltage between the two ends of R22 or R25 on the DVDM Assy If the voltage is 0 4 V or higher the 650 nm LD is degraded...

Page 58: ...put IC401 pin 5 5V IC402 pin 5 2 5V on the DVDM Assy DVDM Assy 5V Regulator IC IC401 2 5V Regulator IC IC402 Is a resonator X601 27MHz on the DVDM Assy oscillating DVDM Assy Crystal resonator X601 Is a signal input into IC603 pin26 PCE on the DVDM Assy Is a signal H for 80 mS and then L after the power is turned on Communication with flash ROM Are the signals input into IC602 pin 16 DWE pin 19 DCS...

Page 59: ...l of about 1 4 V is output usually It is fluctuated by about 250 mV with focus up down DVDM Assy DVD IC IC601 6 Playback impossible Spindle does not turn Are the signals output from IC101 pin 12 W pin 13 V and pin 14 U on the DVDM Assy Is pin 41 STBY fixed LOW and is pin 38 ENDM fixed LOW DVDM Assy FTS Driver IC IC101 Is there any part detached from the spindle motor Or Is there any foreign object...

Page 60: ...IC603 The power cannot be turned on Downloading of the firmware cannot be performed DVD IC DVDM Assy IC601 Any kind of symptoms no power a failure in any of the servo video and audio systems etc may be generated because the DVD processing is performed by a single chip RF IC IC301 Failure in the servo system no disc type distinction no disc playback etc 64M SDRAM DVDM Assy IC602 No power Block nois...

Page 61: ...helps eliminate mistyping of the ID number 4 2 3 Player s ID Number Setting ID Number 0 0 0 0 0 0 0 0 1 Compare Input ID Number 6 Player s ID Number Setting ID Number 0 0 0 0 0 0 0 0 1 Compare 0 0 0 0 0 0 0 0 1 PLAY Enter Input ID Number 8 Input ID Number After entering all 9 digits if you press the SEARCH key the unit unconditionally sets the input number as the ID number Then the unit automatica...

Page 62: ...ically deletes the ID number and exits this mode If the numbers do not match the disc tray is opened and the unit exits this mode The STOP key is not accepted after all 9 digits have been entered 6 Player s ID Number Setting ID Number 0 0 0 0 0 0 0 0 1 Compare CLEAR Exit Input ID Number 3 2 4 Player s ID Number Setting ID Number 0 0 0 0 0 0 0 0 1 Compare 0 0 0 0 0 0 0 0 1 PLAY Enter STOP Memory Cl...

Page 63: ...es not start reading the data In this case open then close the tray 3 To exit this mode press the CLEAR key While data are being read from the DVD DATA DISC you cannot exit this mode 4 Player s ID Number Setting ID Number 0 0 0 0 0 0 0 0 1 Compare CLEAR Exit STEREO ID Data Setting Mode Input ID Number 2 Player s Data Input Mode CLEAR Exit Insert The ID Data Disc 4 Player s Data Input Mode Rom Writ...

Page 64: ...L H DVD IC Accesses flash ROM FL controller Request communication to DVD IC FP_XRDY DVD IC Outputs the communicable signal to FL controller FP_ACK DVD IC FL controller communication Spindle turn Read DISC information code Disc Identification The picture appears DVD IC Accesses RF IC DVD IC Accesses 64M SDRAM part DVD IC Accesses 64M SDRAM Remaining part The opening picture appears Pioneer Logo Dis...

Page 65: ...N button to turn off the power How to open the Tray when the power cannot be on Slit Tray open Drive cam 04 LOADER Assy Screwdriver small Screwdriver small Projection Insert a screwdriver small into the slit located at the bottom of the unit and slide the projection of the drive cam in the 04 LOADER Assy in the direction of the arrow as indicated in the photo If the tray pops out a little fully pu...

Page 66: ...hooks 2 Remove the front panel section Front panel section 2 1 Remove the three screws 2 Remove the three screws 3 Remove the DVDM Assy and stand it against the other parts DVDM Assy 3 Front panel section 2 1 1 1 1 1 1 3 1 1 1 DVDM Assy DVDM Assy 2 3 Diagnosis ...

Page 67: ...iew 1 C D 04 LOADER Assy 2 2 2 2 3 3 3 3 4 1 Short circuit two points of C and D by soldering 2 Disconnect the four connectors Note After replacement connect the flexible cable then remove the soldered joint open 3 Remove the four screws 4 Remove the 04 LOADER Assy ...

Page 68: ...ressing the hook Bridge and Tray 1 Front Side 1 1 1 2 2 1 2 2 Loading base Triangle Drive cam Pin Hook Bridge Tray Note when reinserting the Tray Removing the Traverse Mecha Assy S and Pickup Assy S When reinserting the tray first align the triangle printed on the loading base and the pin of the drive cam then insert the tray ...

Page 69: ...four hooks 3 Remove the Traverse Mecha Assy S 2 Traverse Mecha Assy S 2 2 2 3 1 Dislodge the flexible cables from their packaged placement Traverse Mecha Assy S 2 Bottom View 1 1 Front Side Flexible cable for the spindle motor Flexible cable for the pickup ...

Page 70: ...t screw Skew screw Adjustment screw Skew screw Note Be careful not to lose the spring for the skew screw Spring Skew screw 1 Remove the flexible cable for the pickup Pickup Assy S 3 Note The Pickup Assy S can be removed without removing the Traverse Mecha Assy S shown as Step ø Bottom View Flexible cable for the pickup 1 Front Side ...

Page 71: ...ilicone Adhesive GEM1037 Pickup Assy S Note The screw is secured with the silicone adhesive Make sure to apply the silicone adhesive after reattaching the screw Conductive surface Arrangement of the flexible cable for the spindle motor Front Side Bottom View Hook Hook ...

Page 72: ...nnector 6 Fold the flexible cable along the hook 7 Pass the flexible cable through the hook 3 Pass the flexible cable through the hook Bottom View Make sure that the cable is loose Backing Backing Reference line Hook Hook Hook Hook 4 5 5 Pass the flexible cable through the hook 4 Hook the part folded in Step 1 to the hook Hook Reference line 6 Hook 1 Fold the flexible cable of pickup with the back...

Page 73: ...8 C D F A B E 7 2 IC 7 MT1336E L1 DVDM ASSY IC301 RF IC Block Diagram The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams List of IC MT1336E L1 MT1379EE L1 ...

Page 74: ...DV 2750 S 74 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 75: ...DV 2750 S 75 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 76: ...DV 2750 S 76 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 77: ...DV 2750 S 77 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 78: ...DV 2750 S 78 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 79: ...DV 2750 S 79 5 6 7 8 5 6 7 8 C D F A B E 7 MT1379EE L1 DVDM ASSY IC601 DVD IC Block Diagram Pin Function ...

Page 80: ...DV 2750 S 80 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 81: ...DV 2750 S 81 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 82: ...DV 2750 S 82 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 83: ...DV 2750 S 83 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 84: ...DV 2750 S 84 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 85: ...DV 2750 S 85 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 86: ...DV 2750 S 86 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 87: ...DV 2750 S 87 5 6 7 8 5 6 7 8 C D F A B E Pin Function ...

Page 88: ...DV 2750 S 88 1 2 3 4 1 2 3 4 C D F A B E Pin Function ...

Page 89: ...DV 2750 S 89 5 6 7 8 5 6 7 8 C D F A B E 7 3 DISC CONTENT FORMAT PLAYBACK COMPATIBILITY ...

Page 90: ...DV 2750 S 90 1 2 3 4 1 2 3 4 C D F A B E ...

Page 91: ...D F A B E 7 4 CLEANING Before shipping out the product be sure to clean the following positions by using the prescribed cleaning tools Position to be cleaned Cleaning tools Pickup lenses Cleaning liquid GEM1004 Cleaning paper GED 008 ...

Page 92: ...DV 2750 S 92 1 2 3 4 1 2 3 4 C D F A B E 8 PANEL FACILITIES ...

Page 93: ...DV 2750 S 93 5 6 7 8 5 6 7 8 C D F A B E ...

Page 94: ... 3 4 C D F A B E Service Remote Control Unit GGF1381 DVD Data Disc GGV1171 diagnosis Name Jig No Remarks diagnosis ID data setting DVD Test Disc DVD Video GGV1025 Check of DVD Video CD Test Disc STD 905 Check of CD 7 Jigs list ...

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