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Pioneer DV-C503 Service Manual
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Pioneer DV-C503 Service Manual

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3 7 63 1515 0

DVD PLAYER

DV-C503
THIS MANUAL IS APPLICABLE TO THE FOLLOWING MODEL(S) AND TYPE(S).
Model
Type
DV-C503
KUXQ
KCXQ
RDXQ1/RA
TE
L 13942296513
RDXQ/RD
CONTENTS
1. SAFETY INFORMATION ....................................... 2
4. PCB CONNECTION DIAGRAM ........................... 31
5. PCB PARTS LIST ................................................ 44
6. ADJUSTMENT ..................................................... 48
www
.
PIONEER CORPORATION
PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A.
PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium
PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936
c
PIONEER CORPORATION 2000
http://www.xiaoyu163.com
Power Requirement
AC120V
AC120V
AC110-127 / 220-240V
AC110-127 / 220-240V
x
ao
u163
y
i
4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan
http://www.xiaoyu163.com
2 9
8
1
D VD PLA YER
STANDBY/ON
CD MODE
RANDOM
Region No.
1
1
1
Q Q
3
6 7
1 3
1 5
4
7. GENERAL INFORMATION ................................ 49
7.1 DIAGNOSIS .................................................. 49
PICKUP DEFECTIVE ........................... 49
7.1.2 TEST POINTS LOCATION ................... 50
7.1.4 ERROR CODE ..................................... 55
7.1.5 DISASSEMBLY .................................... 59
7.1.6 TROUBLE SHOOTING
FOR MECHANISM SECTION .............. 71
7.1.7 TROUBLE SHOOTING
FOR ELECTRICAL SECTION .............. 74
7.2 PARTS .......................................................... 75
7.2.1 IC .......................................................... 75
7.2.2 FL DISPLAY ......................................... 88
co
.
9 4
2 8
DISC
0
OPEN/CLOSE
2
3
4
5
DISC SKIP
EXCHANGE
ORDER NO.
7
8
3
RRV2297
Remarks
0 5
8
2 9
9 4
2 8
m
T - IZE JULY 2000 Printed in Japan
9 9
9 9

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  • Page 1: Table Of Contents

    PIONEER CORPORATION 4-1, Meguro 1-chome, Meguro-ku, Tokyo 153-8654, Japan PIONEER ELECTRONICS SERVICE, INC. P.O. Box 1760, Long Beach, CA 90801-1760, U.S.A. PIONEER EUROPE NV Haven 1087, Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE. LTD. 253 Alexandra Road, #04-01, Singapore 159936 PIONEER CORPORATION 2000 T –...

  • Page 2: Safety Information

    The use of a substitute replacement component which does Leakage 0.5mA current Device not have the same safety characteristics as the PIONEER tester under recommended replacement one, shown in the parts list in test this Service Manual, may create shock, fire, or other hazards.

  • Page 3: Exploded Views And Parts List

    Operating Instructions See Contrast table (2) RDXQ/RD Type (Spanish/Portuguese) Only L 13942296513 FRONT (2) CONTRAST TABLE DV-C503/KUXQ, KCXQ, RDXQ1/RA and RDXQ/RD are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks KUXQ KCXQ RDXQ1/RA...

  • Page 4: 2.2 Exterior

    DV-C503 3 7 63 1515 0 2.2 EXTERIOR RDXQ1/RA, RDXQ/RD Types Only L 13942296513 Refer to "2.3 TABLE MECHANISM SECTION". (1/3) (2/2) (1/2) (2/3) (3/3) Except KCXQ Type u163 http://www.xiaoyu163.com...
  • Page 5 VBA1079 L 13942296513 FP Angle VNE2233 Screw BBZ30P060FZK Large Label VRW1855 (2) CONTRAST TABLE DV-C503/KUXQ, KCXQ, RDXQ1/RA and RDXQ/RD are constructed the same except for the following : Part No. Mark No. Symbol and Description Remarks KUXQ KCXQ RDXQ1/RA RDXQ/RD...
  • Page 6 DV-C503 3 7 63 1515 0 2.3 TABLE MECHANISM SECTION 37 (2/6 - 5/6) [Roller Cover] 37 (1/6) From L 13942296513 DVDM CN555 37 (6/6) [PCB Cover] Refer to "2.4 TRAVERSE MECHANISM ASSY-S". From DVDM CN2 u163 http://www.xiaoyu163.com...
  • Page 7 DV-C503 3 7 63 1515 0 TABLE MECHANISM SECTION PARTS LIST Mark No. Description Part No. 5C Mechanism Base Assy VWT1173 5C Table Mechanism Assy VWT1175 TRSB Assy VWG2179 SSRB Assy VWG2180 LOMB Assy VWG2181 Traverse Mechanism Assy-S VXX2653...
  • Page 8 DV-C503 3 7 63 1515 0 2.4 TRAVERSE MECHANISM ASSY-S • Top View L 13942296513 DVDM Assy TRAVERSE MECHANISM ASSY-S PARTS LIST Mark No. Description Part No. Mark No. Description Part No. SMEB Assy VWG2048 Hook VNL1770 FGSB Assy...
  • Page 9 DV-C503 3 7 63 1515 0 L 13942296513 u163 http://www.xiaoyu163.com...

  • Page 10: Block Diagram And Schematic Diagram

    DV-C503 3 7 63 1515 0 3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 3.1 BLOCK DIAGRAM DVDM ASSY CN555 (24P) (24P) IC18 SD0-SD7 57-60 80-84 IC12 MB86373B Spindle DSP RF 63-66 78,86,87 OEIC PE5108A Motor CDDATA MPEG2 LA9701M DVD DECODER...
  • Page 11 DV-C503 3 7 63 1515 0 JAC1 ASSY IC301 JAC2 ASSY LA7138M 3IN 6OUT CN15 CN201 CN301 VIDEO AMP (30P) (30P) (16P) (16P) FILTER (VCB) V/Cb OUT COMPOSITE (VCB) Y OUT VIDEO OUT Q304 (YELLOW) C/Cr OUT ADA0 (CB)
  • Page 12 DV-C503 3 7 63 1515 0 3.2 TRSB, SSRB, LOMB, SMEB, FGSB ASSYS and OVERALL WIRING DIAGRAM KUXQ, KCXQ : CN201 RDXQ1/RA, RDXQ/RD : CN101 POWER CORD KUXQ, KCXQ : ADG7022 RDXQ1/RA, RDXQ/RD : ADG1158 KUXQ, KCXQ : RDXQ1/RA,...
  • Page 13 DV-C503 3 7 63 1515 0 Note : When ordering service parts, be sure to refer to "EXPLODED VIEWS and PARTS LIST" or "PCB PARTS LIST". : The power supply is shown with the marked box. SSRB ASSY DISC CLAMP DET.
  • Page 14 DV-C503 3 7 63 1515 0 3.3 DVDM ASSY (1/3) BA4510F CHECKER CHIP (DVD) (DVD) (CD) (CD) RF IC L 13942296513 CN31 u163 CN202 SPINDLE & FTS DRIVER http://www.xiaoyu163.com...
  • Page 15 DV-C503 3 7 63 1515 0 DVDM ASSY (VWS1429) : RF SIGNAL ROUTE : CDDA•CD-ROM DATA SIGNAL ROUTE BA4510F LANDMARK : FOCUS SERVO LOOP LINE CHECKER : TRACKING SERVO LOOP LINE : SLIDER SERVO LOOP LINE (DVD) (DVD) L 13942296513...
  • Page 16 DV-C503 3 7 63 1515 0 3.4 DVDM ASSY (2/3) WORK SRAM (1M) DVDM ASSY (VWS1429) : RF SIGNAL ROUTE : CDDA•CD-ROM DATA SIGNAL ROUTE : AUDIO SIGNAL ROUTE : DVD DATA SIGNAL ROUTE FLASH MEMORY (8M) VYW1702 4M DRAM...
  • Page 17 DV-C503 3 7 63 1515 0 1/3, 3/3 1/3, 3/3 20MHz SYSTEM CONTROL CPU Disc detection signal input pin L 13942296513 Tray position signal input pin Disc Clamp state : H Others : L Normal state : L (0V) Traverse Mecha.down state : H (3.3V)
  • Page 18 DV-C503 3 7 63 1515 0 3.5 DVDM ASSY (3/3) AV-1 MPEG2 DECODER L 13942296513 14 17 13 16 12 15 16M SDRAM (V/Cb) (V/Cb) (C/Cr) (C/Cr) u163 http://www.xiaoyu163.com...
  • Page 19 DV-C503 3 7 63 1515 0 DVDM ASSY (VWS1429) : AUDIO SIGNAL ROUTE : DVD DATA SIGNAL ROUTE (V/Cb) : V/Cb SIGNAL ROUTE : Y SIGNAL ROUTE (C/Cr) : C/Cr SIGNAL ROUTE CLOCK GENERATOR CIRCUIT L 13942296513 (V/Cb) (V/Cb)
  • Page 20 DV-C503 3 7 63 1515 0 3.6 JAC1 ASSY (1/3) JAC1 ASSY (KUXQ, KCXQ : VWV1751) (RDXQ1/RA, RDXQ/RD : VWV1753) AUDIO POWER SUPPLY D/A CONVERTER L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 21 DV-C503 3 7 63 1515 0 : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 22 DV-C503 3 7 63 1515 0 3.7 JAC1 ASSY (2/3) (V/Cb) (V/Cb) (V/Cb) (C/Cr) CN15 (C/Cr) L 13942296513 (V/Cb) (C/Cr) 3V→5V CONVERTER u163 CN101 5V→3V CONVERTER http://www.xiaoyu163.com...
  • Page 23 DV-C503 3 7 63 1515 0 JAC1 ASSY (KUXQ, KCXQ : VWV1751) (RDXQ1/RA, RDXQ/RD : VWV1753) : The power supply is shown with the marked box. : AUDIO SIGNAL ROUTE (V/Cb) : V/Cb SIGNAL ROUTE : Y SIGNAL ROUTE...
  • Page 24 DV-C503 3 7 63 1515 0 3.8 JAC1 ASSY (3/3) JAC1 ASSY (KUXQ, KCXQ : VWV1751) (RDXQ1/RA, RDXQ/RD : VWV1753) AUDIO AUDIO POWER SUPPLY POWER SUPPLY (EXCEPT OP AMP.) (OP AMP.) VIDEO POWER SUPPLY L 13942296513 RS-232C CN55 u163...
  • Page 25 DV-C503 3 7 63 1515 0 3.9 JAC2 ASSY JAC2 ASSY (VWV1752) (V/Cb) : V/Cb SIGNAL ROUTE : Y SIGNAL ROUTE (C/Cr) : C/Cr SIGNAL ROUTE (Cb) L 13942296513 (Cr) CN301 (Cr) (Cr) (Cb) (Cb) u163 : The power supply is shown with the marked box.
  • Page 26 DV-C503 3 7 63 1515 0 3.10 FLKY, KYLB and PWSB ASSYS FLKY ASSY (KUXQ, KCXQ : VWG2182) (RDXQ1/RA, RDXQ/RD : VWG2183) L 13942296513 RESET IC S190-S195 : ASG7013 FLKY ASSY S131 : PLAY S132 : 0 OPEN/CLOSE KYLB ASSY...
  • Page 27 DV-C503 3 7 63 1515 0 : The power supply is shown with the marked box. FL CONTROL MICROCOMPUTER L 13942296513 IC101 is damaged → No Power ON KUXQ, KCXQ : 36kΩ RDXQ1/RA, RDXQ/RD : 68kΩ KUXQ, KCXQ : 6.2kΩ...
  • Page 28 DV-C503 3 7 63 1515 0 3.11 POWER SUPPLY UNIT (VWR1329) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 29 DV-C503 3 7 63 1515 0 3.12 POWER SUPPLY UNIT (VWR1332) L 13942296513 u163 http://www.xiaoyu163.com...
  • Page 30 DV-C503 3 7 63 1515 0 WAVEFORMS Note : The encircled numbers denote measuring point in the schematic diagram. Measurement condition : No. 1 to 4 and 6 to 11 : MJK1, Title 1-chp 1 No. 5 : CD, ABEX-784 Track 1 No.

  • Page 31: Pcb Connection Diagram

    DV-C503 3 7 63 1515 0 4. PCB CONNECTION DIAGRAM NOTE FOR PCB DIAGRAMS : 1. Part numbers in PCB diagrams match those in the schematic 3. The parts mounted on this PCB include all necessary parts for diagrams.
  • Page 32 DV-C503 3 7 63 1515 0 4.2 DVDM ASSY • This PCB is a four-layered board. DVDM ASSY IC5 IC8 IC11 IC15 Q121 Q101 L 13942296513 Q7 Q6 IC21 Q103 PICKUP Q5 Q102 ASSY IC18 Q109 Q107 Q91 Q83...
  • Page 33 DV-C503 3 7 63 1515 0 CN101 • This PCB is a four-layered board. DVDM ASSY CN31 IC13 IC14 IC12 L 13942296513 Q112 IC19 Q114 Q113 Q131 Q106 IC26 IC27 CN202 Q251 Q85 Q89 Q87 u163 (VNP1776-A) CN201 SIDE B...
  • Page 34 DV-C503 3 7 63 1515 0 4.3 JAC1 and JAC2 ASSYS JAC2 ASSY (VNP1783-A) CN11 L 13942296513 CN201 CN101 CN101 SIDE A u163 IC501 http://www.xiaoyu163.com...
  • Page 35 DV-C503 3 7 63 1515 0 JAC1 ASSY CN55 CN15 L 13942296513 u163 (VNP1783-A) IC302 IC206 Q120 http://www.xiaoyu163.com...
  • Page 36 DV-C503 3 7 63 1515 0 JAC1 ASSY L 13942296513 u163 Q203 IC602 IC301 IC200 Q722 Q257 Q307-Q310 Q315 Q301-Q306 Q601 IC204 IC304 Q202 IC203 Q204 IC201 Q357 IC205 IC208 Q201 IC207 http://www.xiaoyu163.com...
  • Page 37 DV-C503 3 7 63 1515 0 JAC2 ASSY (VNP1783-A) L 13942296513 SIDE B (VNP1783-A) u163 Q722 Q501 IC901 Q502 Q311-Q314 -Q306 IC304 IC101 IC102 http://www.xiaoyu163.com...
  • Page 38 DV-C503 3 7 63 1515 0 4.4 FLKY, KYLB and PWSB ASSYS PWSB ASSY (VNP1777-B) L 13942296513 u163 I J K http://www.xiaoyu163.com...
  • Page 39 DV-C503 3 7 63 1515 0 KYLB ASSY FLKY ASSY (VNP1777-B) L 13942296513 CN103 (VNP1777-B) IC102 u163 SIDE A http://www.xiaoyu163.com...
  • Page 40 DV-C503 3 7 63 1515 0 FLKY ASSY KYLB ASSY Q305 Q304 Q303 Q302 Q301 L 13942296513 Q420 u163 http://www.xiaoyu163.com...
  • Page 41 DV-C503 3 7 63 1515 0 PWSB ASSY (VNP1777-B) (VNP1777-B) Q301 Q252 Q250 Q251 L 13942296513 (VNP1777-B) IC101 u163 SIDE B I J K http://www.xiaoyu163.com...
  • Page 42 DV-C503 3 7 63 1515 0 4.5 POWER SUPPLY UNIT (VWR1329) POWER SUPPLY UNIT AC IN IC101 L 13942296513 IC203 IC201 VR201 IC202 CN104 u163 Q210 Q201 SIDE A http://www.xiaoyu163.com...
  • Page 43 DV-C503 3 7 63 1515 0 4.6 POWER SUPPLY UNIT (VWR1332) AC IN POWER SUPPLY UNIT L 13942296513 IC201 VR201 IC103 Q401 IC102 CN104 Q402 Q410 u163 Q412 Q411 SIDE A http://www.xiaoyu163.com...

  • Page 44: Pcb Parts List

    DV-C503 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. 5. PCB PARTS LIST • NOTES: Parts marked by "NSP" are generally unavailable because they are not in our Master Spare Parts List.

  • Page 45: Dvdm Assy

    DV-C503 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. PCB PARTS LIST FOR DV-C503/KUXQ UNLESS OTHERWISE NOTED Mark No. Description Part No. Mark No. Description Part No. TRSB ASSY FGSB ASSY SWITCH...
  • Page 46 DV-C503 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. C122,C208 CCSRCH471J50 R361,R364 RS1/16S7502F C126,C335 CCSRCH560J50 Other Resistors RS1/16S C334 CCSRCH5R0C50 C124,C132 CCSRCH680J50 OTHERS C117,C240,C352,C360 CCSRCH681J25 CHIP CERALOCK DSS1110 (20MHz) C845,C846 CCSRCK2R0C50 PH CONNECTOR...

  • Page 47: Flky Assy

    DV-C503 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. C130-C132 CKSQYF102Z50 FLKY ASSY C902,C908 CKSQYF103Z50 C100,C107-C110,C112,C114 CKSQYF104Z25 SEMICONDUCTORS C116,C117,C120,C123 CKSQYF104Z25 IC101 PE5185A C190,C191,C201,C202,C209 CKSQYF104Z25 IC102 S-806D C213,C218,C230,C233,C290 CKSQYF104Z25 C321-C323,C328,C501,C503 CKSQYF104Z25 SWITCHES C601,C602,C612,C901...

  • Page 48: Adjustment

    DV-C503 3 7 63 1515 0 Mark No. Description Part No. Mark No. Description Part No. 6. ADJUSTMENT POWER SUPPLY UNIT (VWR1329) OTHERS There is no information to be shown in this chapter. P202 PROTECTOR (1.6A) AEK7012 P203 PROTECTOR (800mA)

  • Page 49: General Information

    DV-C503 3 7 63 1515 0 7. GENERAL INFORMATION 7.1 DIAGNOSIS 7.1.1 SELF-DIAGNOSTIC FUNCTION OF PICKUP DEFECTIVE Symptom • Indicates "No Disc" in FL display. • Player does not playback, etc.. Procedure of Self-Diagnosis → 1 Press the TEST buttons (of the test mode remote control unit : GGF1067) in the test mode screen, and turn on the laser diode (It light-up for nine seconds.).

  • Page 50: Test Points Location

    DV-C503 3 7 63 1515 0 7.1.2 TEST POINTS LOCATION DVDM ASSY VCODR IC13 IC14 C707 SREQ L 13942296513 TP3 (TE) IC19 TP1 (FE) VREF TP2 (RFO) IC27 IC26 VREF TP4 (FDO) u163 CN15 SIDE B http://www.xiaoyu163.com...

  • Page 51: Test Mode Screen Display

    DV-C503 3 7 63 1515 0 7.1.3 TEST MODE SCREEN DISPLAY TEST MODE SCREEN DISPLAY Consecutive double-OSD display is supported during test mode. The screen is composed 10 lines with a maximum of 32 characters per line. It can't be used with the debugging display mode together.
  • Page 52 DV-C503 3 7 63 1515 0 (10) Output video system [V – ∗ ∗ ∗ ∗] (20) 1 Version of the flash ROM [V : ∗ . ∗ ∗ ∗] 2 Flash ROM size [FLSH = ∗] NTSC system...
  • Page 53 DV-C503 3 7 63 1515 0 DEBUGGING SCREEN SPECIFICATION FOR THE MECHANISM CONTROLLER • This specifications is subject to change without notice. 1 Indication Method of The Mechanism Controller Debugging Screen A debugging screen of the mechanism controller is indicated when pressing the test mode remote control unit [GGF1067] in order of the buttons.
  • Page 54 DV-C503 3 7 63 1515 0 15. Disc distinction threshold value (CD and unrecorded 27. It indicates the frequency that entered the internal disc) circumference plunging into backup of the sled Threshold value of the disc distinction. Distinguish it from Hexadecimal number indication.

  • Page 55: Error Code

    DV-C503 3 7 63 1515 0 7.1.4 ERROR CODE Error codes that are displayed on the FL display without using the remote control unit FL Display Possible causes Operation of the unit The sound may not out AV1 VER AV-1 chip is not a match with the program of system controller with the specific audio.
  • Page 56 DV-C503 3 7 63 1515 0 Description Causes if with a DVD Causes if with a CD Operation of the of Error SGC converge SGC could not converge during detects the peak Open timeout 41 Spindle timeout The unit did not enter Stop mode within 10 seconds of issuance of a Stop command.
  • Page 57 DV-C503 3 7 63 1515 0 Description Causes if with a DVD Causes if with a CD Operation of the Unit of Error ID can not read An ID could not be read for 1 second or more. Stop...
  • Page 58 DV-C503 3 7 63 1515 0 Error codes that are displayed on the FL display by using the remote control unit (Device error) To display : ESC + DISPLAY + DISPLAY ; Location of the display : At the two digits of left of the FL display...

  • Page 59: Disassembly

    DV-C503 3 7 63 1515 0 7.1.5 DISASSEMBLY DIAGNOSIS OF PCBs Note When diagnosing the unit, be sure to use two connection cables for service. (Part No : GGD1228) DVDM Assy Remove the Bonnet (Screws × 6) Power ON...
  • Page 60 DV-C503 3 7 63 1515 0 JAC1 and JAC2 Assemblies Remove the Bonnet (Screws × 6) Press the EXCHANGE Button (Clamp the Test Disc → Tray Open) Remove the Rear Panel (Screws × 12) Power ON Test Disc Tray Open (0)
  • Page 61 DV-C503 3 7 63 1515 0 FLKY, KYLB and PWSB Assemblies Remove the Bonnet (Screws × 6) Set the DVDM Assy (two connectors) to the JAC1 Assy. Power ON Tray Open (0) DVDM Assy JAC1 Assy Remove the Tray Panel...
  • Page 62 DV-C503 3 7 63 1515 0 TRAVERSE MECHANISM ASSY-S Disassembly Remove the Bonnet (Screws × 6) Remove the Front Panel Section (Refer to step CN12 Unhook TRSB Assy Unhook Power ON Tray Open (0) Note : The Traverse mechanism being Pull out the power cord from the outlet.
  • Page 63 DV-C503 3 7 63 1515 0 Remove the DVDM Assy (Refer to step Remove three Connectors DVDM Assy CN555 Side B L 13942296513 Clamper Holder Unhook u163 Spring http://www.xiaoyu163.com...
  • Page 64 DV-C503 3 7 63 1515 0 ×4 Release ×2 SMEB Assy FFC Holder Flexible Cable (24P) Flexible Cable (8P) CN202 Pickup Connector (Bottom View) Mechanism Base Section Traverse Mechanism Assy-S ×2 Unhook L 13942296513 Rear View DVDM Assy POWER SUPPLY Unit...
  • Page 65 DV-C503 3 7 63 1515 0 Assembly ×2 Hook Traverse Mechanism Assy Float Rubber Float Rubber Check the Float Rubbers ×4 Pole of the Float Base Float Rubber ×2 Hook Float Rubber L 13942296513 Float Rubber Hook Reference Styling of the Flexible Cables Hook ×2...
  • Page 66 DV-C503 3 7 63 1515 0 Rear View Set the DVDM Assy (Refer to step DVDM Assy POWER SUPPLY Unit Side Side ×4 Open Short SW Short SW Pickup Flexible Cable Pickup Flexible Cable L 13942296513 Mechanism Base Section...
  • Page 67 DV-C503 3 7 63 1515 0 Turn it till stops Match it between first teeth of the gear. Change Gear Planet Base L 13942296513 When the tooth of gear deviates more than two or three tooth, Strange sound is generated, and cause trouble.
  • Page 68 DV-C503 3 7 63 1515 0 Assemble the Tray Section to the Mechanism Base Section Confirmation : Fully turning the Planet Base to an arrow direction. Mechanism Base Section Match a convex part of the Tray section with a concave part of the Mechanism Base, and put it.
  • Page 69 DV-C503 3 7 63 1515 0 Important Points when Assembling the Mechanism Section Clamper Plate Tray Gear Motor (for Tray) Motor Pulley (for Tray Motor) Motor Holder L 13942296513 Worm Gear, Tray Belt Motor (for Loading) Motor Pulley (for Loading Motor) u163 http://www.xiaoyu163.com...
  • Page 70 DV-C503 3 7 63 1515 0 Motor (for Tray), Motor Pulley (for Tray Motor) Worm Gear and Tray Belt Adjust the height of the Motor Pulley to 2.4mm. Tray Belt Be carefull not to damage it in exchange. Motor Holder Motor Pulley 2.4mm...

  • Page 71: For Mechanism Section

    DV-C503 3 7 63 1515 0 7.1.6 TROUBLE SHOOTING FOR MECHANISM SECTION Location of Motors and Switches Carriage Motor : VXM1033 (for LOADING) Operation : Tray open → close ↓ Continuous action Traverse Mecha. clamp → unclamp * When continued turning a gear by hand Tray open →...
  • Page 72 DV-C503 3 7 63 1515 0 Trouble Shooting Trouble Condition Condition Point Tray does not open. (Nothing works) POWER OFF Key → "OFF" indication does not disappear 0 (OPEN) key → "OPEN" indication does not disappear Loading Motor is damage, disconnection or 3 (PLAY) key →...
  • Page 73 DV-C503 3 7 63 1515 0 Flexible Cable (8P) (SMEB CN202 ↔ DVDM CN3) Carriage Motor : VXM1033 (for LOADING) Planet Base : VNL1874 L 13942296513 Rotary Tray : VNK4729 Worm Gear : VNL1881 Tray position Detect Sensor (PC22 : RPI-574)

  • Page 74: For Electrical Section

    DV-C503 3 7 63 1515 0 7.1.7 TROUBLE SHOOTING FOR ELECTRICAL SECTION • No Power ON • FL is not turned ON • FL indication is abnormal • No Play START • Blow out fuse of the primary side Power ON •...

  • Page 75: Parts

    DV-C503 3 7 63 1515 0 7.2 PARTS 7.2.1 IC • The information shown in the list is basic information and may not correspond exactly to that shown in the schematic diagrams. • List of IC LC78652W, PD3410A, MB86373B, PE5185A LC78652W (DVDM ASSY : IC2) •...
  • Page 76 DV-C503 3 7 63 1515 0 • Pin Function t f i − − l l i L 13942296513 t t i y t i t l i − − − − a i l t l i u163 −...
  • Page 77 DV-C503 3 7 63 1515 0 r r i t i r − − − − L 13942296513 l a i t f i − − l l i l i f − t l i f t l i f t l i f −...
  • Page 78 DV-C503 3 7 63 1515 0 PD3410A (DVDM ASSY : IC11) • System Control IC • Pin Function − − − − − − − c t i − − − − − − L 13942296513 − ← ←...
  • Page 79 DV-C503 3 7 63 1515 0 − − − − − − − c t i − − c t i − c t i L 13942296513 c t i c t i c t i − c t i −...
  • Page 80 DV-C503 3 7 63 1515 0 − t i s d i l t i s t i s − − − − − l l o l a i e l l l a i e l l −...
  • Page 81 DV-C503 3 7 63 1515 0 − − − − − L 13942296513 − − − u163 − − http://www.xiaoyu163.com...
  • Page 82 DV-C503 3 7 63 1515 0 MB86373B (DVDM ASSY : IC18) • MPEG2 Decoder IC • Block Diagram Exclusive 16Mbit Parallel port SDRAM Input Signal Memory System Controller Block Interface Decoder Block Internal Video Sub- L 13942296513 Sync. Decoder...
  • Page 83 DV-C503 3 7 63 1515 0 • Pin Function − " ( : " L " : " i g i − i g i i g i i g i ) t i − − − i g i - t l −...
  • Page 84 DV-C503 3 7 63 1515 0 − − − − t l i f t l i f t l i f − , y l o " . " − L 13942296513 , y l o " . "...
  • Page 85 DV-C503 3 7 63 1515 0 − − − − − − − L 13942296513 − − − − " " L y l l − − − − − − − − u163 http://www.xiaoyu163.com...
  • Page 86 DV-C503 3 7 63 1515 0 PE5185A (FLKY ASSY : IC101) • FL Control IC • Pin Function − − − n i l L 13942296513 − − − − t s i t s i − − −...
  • Page 87 DV-C503 3 7 63 1515 0 − c t i n i l − − − − t s i L 13942296513 − u163 http://www.xiaoyu163.com...

  • Page 88: Fl Display

    DV-C503 3 7 63 1515 0 7.2.2 FL DISPLAY VAW1058 (FLKY ASSY : V101) • FL DISPLAY Pin Assignment (1G) (2G - 11G) Anode Connection L 13942296513 (DISC S) Pin Connection Pin No. Connection NP NP P18 P17 P16 P15 P14 P13 P12 P11 P10 u163 Pin No.

  • Page 89: Panel Facilities And Specifications

    DV-C503 3 7 63 1515 0 8. PANEL FACILITIES AND SPECIFICATIONS 8.1 PANEL FACILITIES Front Panel DISC OPEN/CLOSE D VD PLA YER DISC SKIP EXCHANGE STANDBY/ON CD MODE RANDOM L 13942296513 8 (pause) button STANDBY/ON button Press to switch the player on or to put in standby .

  • Page 90: Display Window

    DV-C503 3 7 63 1515 0 Display Window RANDOM TOTAL DISCS REPEAT CONDITION REMAIN DISC LAST MEMORY TITLE DOLBY DIGITAL DVD indicator REMAIN indicator Lights when a DVD is loaded. Indicates that the remaining playback time of a title or chapter/ track is being displayed.

  • Page 91: Rear Panel

    TV or Use to connect this player to another component bearing the Pioneer Î mark. This lets you control this unit as though it monitor via the S-Video jack. When using this output, be sure to set VIDEO OUT SELECT to were a component in a system.

  • Page 92: Remote Control Unit

    DV-C503 3 7 63 1515 0 Remote Control Unit LAST MEMORY button You can resume DVD or Video CD playback from the point you last watched even if the disc is removed from the player. Press LAST MEMORY during playback to set a Last Memory point.
  • Page 93 DV-C503 3 7 63 1515 0 NEXT ¢ button Number buttons (1-9, 0, +10)* During playback, press NEXT ¢ to advance to the next Use to perform direct title and chapter/track searches, and to chapter/track. input numerical values. PAUSE 8 button PROGRAM button Press to pause playback of a disc.

  • Page 94: Specifications

    DV-C503 3 7 63 1515 0 8.2 SPECIFICATIONS General Note The specifications and design of this product are subject to change System ......DVD system, Compact Disc digital video system without notice, due to improvement. and Compact Disc digital audio system Power requirements U.S.

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