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Philips MDV434/55/77 Service Manual
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Philips MDV434/55/77 Service Manual

Philips MDV434/55/77 Service Manual

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DVD Player
Service
Service Manual
TABLE OF CONTENTS
. Technical Specifications....................................................1-2
. Safety Instructions, Warnings, Notes.....................................1-3
. Mechanical and Dismantling Instructions...............................2-1
. Region Code, Software Version& Upgrades............................3-1
. Trouble Shooting Chart......................................................4-1
. Block and Wiring Diagram..................................................5-1
. Electrical Diagrams and Print-layouts
Front Board....................................................................6-1
Power Board..................................................................7-1
Main Board.....................................................................8-1
. Set Mechanical Exploded view& Parts List.............................9-1
. Revision List....................................................................10-1
Copyright 2005Philips Consumer Electronics B.V. Eindhoven, The Netherlands
C
All rights reserved. No part of this publication may be reproduced, stored in aretrieval system or
transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise
without the prior permission of Philips.
Published by TCL-KC 0511 Service Audio
Version 1.0
Printed in The Netherlands
Subject to modification
MDV434 (K)/XX
MDV434K/55
MDV434/55/77
SDV434/19
Page
CLASS 1
LASER PRODUCT
GB
3139 785 31220
PHILIPS

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  • Page 1 All rights reserved. No part of this publication may be reproduced, stored in aretrieval system or LASER PRODUCT transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. 3139 785 31220 PHILIPS...

  • Page 2: Technical Specifications

    Technical Specifications TV standard (PAL/50Hz) (NTSC/60Hz) Audio performance Number of lines DA converter 24bits, 192KHz Playback Multi standard (PAL/NTSC) fs 96kHz 4Hz----44kHz fs 48kHz 4Hz----22kHz Video performance SVCD fs 48kHz 4Hz----22kHz fs 44.1kHz 4Hz----20kHz Video DAC 12 bit, 108mH CD/VCD fs 44.1kHz 4Hz----20kHz PbPr:...

  • Page 3: Safety Instructions, Warnings, Notes

    Safety instructions, Warnings, Notes Safety instructions 1. General safety 2.Laser safety Safety regulations require that during a repair: This unit employs a laser. Only qualified service personnel . Connect the unit to the mains via an isolation transformer. may remove the cover, or attempt to service this device (due .
  • Page 4 Warnings 1.General 2. Laser . All ICs and many other semiconductors are susceptible to electrostatic discharges (ESD). Careless handing during . The use of optical instruments with this product, will repair can reduce life drastically. Make sure that, during increase eye hazard. repair, you are at the same potential as the mass of the set .
  • Page 5 Due to lead-free technology some rules have to be respected by the workshop during a repair: - lead free BGA-ICs will be delivered in • Use only lead-free solder alloy Philips SAC305 with so-called ‘dry-packaging’ (sealed...

  • Page 6: Mechanical And Dismantling Instructions

    Mechanical and Dismantling Instructions Dismantling Instruction The following guidelines show how to dismantle the player. pushing the guider manually using the slot below the bottom Step1: Remove 5 screws around the Top Cover. And remove chassis with a tool. (Figure 3) it (Figure 1) Note: Make sure to operate gently otherwise the guider would Step2: If it is necessary to dismantle Loader or Front Panel,...
  • Page 7 Mechanical and Dismantling Instructions Step3: Dismantling Loader, First, disconnect the 3 connectors Step4: Dismantling Front Panel: disconnect the 2 connectors aiming in the figure, and then remove the 2 screws at both aiming in the figure then Release the snaps on the both sides sides of the loader, (Figure 4) of Front Panel and gently pull the Panel out from the set.

  • Page 8: Figure

    Mechanical and Dismantling Instructions Step6: Dismantling Main Board, first disconnect the Step7: Remove the 3 screws on power board to dismantle connector, and then remove the relative screws, (Figure 7) the power board. (Figure8) CON 6 Figure 7 Figure 8...

  • Page 9: Mechanical And Dismantling Instructions

    Mechanical and Dismantling Instructions ATTENTION OF REPAIRING Make sure adding silicon glue to fix the capacitor C4 after repairing, ( Avoid the hazard of C4 touching the Top Cover.) Add Silicon glue or Heat glue to fix C4 to keep this status Figure 9...
  • Page 10 Software upgrade A. Preparation to upgrade software C. Read out the software versions to confirm upgrading Start the CD Burning software and create a new CD project (Data Disc) with the following setting: Power up the set and press <system menu> button on (No need the Label name) the remote control.

  • Page 11: Trouble Shooting Chart

    Trouble shooting chart Spindle motor does not move Motor no move Check the FFC connection Correct connection between 24P and the loader. Check whether “AVCC” Check AVCC power (+5V) voltage is normal. supply Check whether laser voltage Check/Replace Q8、Q9. (2V for VCD & 2.2V for DVD) on Collector of Q8 and Q9 1.Whether voltage on pin 44 of U3 varies between 0 and 3.3V (3.3V for...

  • Page 12: Power Board

    Trouble shooting chart The power can not be on or off The power can’t be on or off Check the power supply Repair the power board on the power board is normal. Check if the CON2 on the Check/Correct front board to CN6 on the connection decoder board is in good contact.
  • Page 13 Trouble shooting chart All output voltages on the power board is 0V or deviated. All output voltages on the power board is 0V or deviated Check whether Replace F1 F1 is blown Replace C4 if D1, D2, D3, D4 are Check whether there is normal.
  • Page 14 Trouble shooting chart Disc cannot be read . Disc cannot be read. Check the FFC connection Check the loaded circuit between 24P and the loader. 1.Check voltage on pin 44 of U3 varies between 0 and 3.3V: Check whether there is laser 3.3V for VCD voltage (2V for VCD and 2.2V for 0V for DVD...
  • Page 15 Trouble shooting chart Only DVD disc or only disc except DVD can be played Only DVD disc, or only disc except DVD can be Played. Check Check the loaded circuit connection between 24pin and the loader. Check laser voltage (2V) output Check the solder status on U3 and on Collector of Q8, if pin 22 of U3 peripheral components...
  • Page 16 Trouble shooting chart No display on VFD, and buttons do not work No display on VFD, and buttons do not work Check whether there is correct contact between Correct connection CN301 and CN6 check-24V+12V,VCC(+5v) Fix power supply board top a power supply for should voltage on the power and electric circuit front board...
  • Page 17 Trouble shooting chart Distorted audio and loud noise Distorted audio and loud noise Check the power supply voltages +12V and -12V to the operation Check Q2and Q4 amplifying Q2 andQ4 are normal. Check whether Replace L7 and L8 muting transistor L7 and L8 are normal Check whether...
  • Page 18 Trouble shooting chart Abnormal color of video picture Abnormal color of video picture Check whether Check Y1, R56, R56, C39 and C40 27MHz output signal is Check whether the 3.3V Check other of power supply electric and 2.5V power supply circuit voltages on the decoder board are normal.
  • Page 19 Trouble shooting chart Remote reception is insensitive or fails. Remote reception is insensitive or fails. Check if the remote Check battery control works properly. Check if the power supply Check R315、C315 voltage to the remote censor is normal are normal. Use an oscilloscope to check if there is output waveform from the first pin IR of the U201(PIN 3 - RC waveform)
  • Page 20 Trouble shooting chart 4-10 No video picture, no sound. No video picture, no sound. Check whether all the voltages Check the loaded circuit from the power board to the CVBS(R85 point) waveform decoder board are normal. Check if the reset circuit consisting of C88, R80 and D1 is normal (at a Change C88, and R80.

  • Page 21: Main Board

    　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 MDV434(K)/XX Wiring & Block Diagram COAX CVBS VIDEO LPF & DRIVE AUDIO AUDIO AMP&LPF POWER SUPPLY 24PIN*0.5 SDRAM 3.3V MT1389C +12V AGND CON2 -12V -24V 8PIN*2.5 LIMIT KARAOKE A/D LOAD+ 8M/16M FLASH LOAD- EEPROM TROUT 5PIN*2.0 TRIN 12PIN*2.0 MAIN BOARD...
  • Page 22 FRONT BOARD TABLE OF CONTENTS . Front Board-Circuit Diagram..………………………………… …6-3 . Front Board-Component & Chip Layout..……………….……….6-4 . Electrical Parts List..............6-5...
  • Page 23 Service Engineer Remarks:...
  • Page 24 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 MDV434(K) Front Board R200 C305 R201 C306 R202 C307 R203 C308 R204 C309 VFD-54 R341 R205 C310 +12V R206 C311 R320 R207 C312 R317 CE302 R322 R324 R325 R208 C313 Q306 3904 R209 C314 R321 Q301 3.3uF/50V R210 C315...
  • Page 25 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 　 Front Board Top Side Front Board Bottom side 　...
  • Page 26 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 ELECTRONIC PARTS FOR FRONT BOARD CAPACITOR RESISTOR C200 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 R304 19-AB0103-JTF RES SMD 10K OHM 1/10W 0603 C201 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 R305 19-AB0103-JTF RES SMD 10K OHM 1/10W 0603 C202 28-AB0101-JCX SMD.
  • Page 27 POWER BOARD TABLE OF CONTENTS . Power Board-Circuit Diagram..………………………………… ………7-2 . Power Board-Component Layout………...…………………… ……….7-3 . Electrical Parts List………………………..……………………………...7-4...
  • Page 28 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 Power supply for DVP3XXX/XX T2AL/250ac 0.1uF/250Vac 1N4007 1N4007 C1(NU) 471/400Vac 30mH RV1(NU) 10K471 CON1 AC INPUT 471/400Vac 1N4007 1N4007 NTC 10 FR102 33uH CON1 10uF/50V CON2 R2(NU) C6(NU) ZD1(NU) ZD2(NU) 220 1/2W 333/400V 15V 1/2W 15V 1/2W FR102 33uH 47uF/25V...
  • Page 29 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 　 Power Board Top Side...
  • Page 30 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 ELECTRICAL PARTS FOR POWER BOARD CAPACITORS RESISTANCE C300 28-AB0101-JCX SMD. CAP 100 pF 50VDC +/-5% R319 19-AB0103-JTF RES SMD 10K OHM 1/10W 0603 C301 28-AB0101-JCX SMD. CAP 100 pF 50VDC +/-5% R320 19-AB0471-JTF SMD. RES 470 OHM 1/10W +/-5% C302 28-AB0101-JCX SMD.
  • Page 31 MPEG BOARD TABLE OF CONTENTS . Circuit Diagram for DVP3000 & DVP3005..……………..8-2~8-5 . Mpeg board Component & Chip Layout......8-6~8-7 . Electrical Parts List.............8-8...
  • Page 32 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 、 1 INDEX & POWER INDEX & POWER RF, SERVO & MPEG MT1389D CE10 MEMORY /VIDEO OUT CE11 CE12 AUDIO OUT CE13 CE14 CE15 CE16 NAME TYPE DEVICE CE17 Digital 5V SUPPLY CE19 DV33 Digital 3.3V MT1389D CE49 RFV33...
  • Page 33 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 、 3 SDRAM,FLASH,VIDE FILTER & SCART OUT PUT DV33 AM27C040 C100 C101 C102 0.1uF C103 C104 MA10 DQ10 MA10 DQ10 MA10 DQ10 DQ10 DQ10 A10/AP DQ10 EEPROM 24C16 DBA0 DQ11 DBA0 DQ11 MA11 DQ11 C105 BA/A11 DQ11 BA/A11 DQ11...
  • Page 34 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 、 2 MPEG & SERVO RFGND R202 DV33 R200 R203 JITFO 390pF JITFN RFGND R201 74HCU04 750k ASPDIF DV33 RFGND 33(open) SCART1 DV33 10uF/25v SCART2 CE21 MUTE_DAC 0.1u 100k 10uF 1500pF 27M CLK SMCLK RESET# 0.1u(OPEN) ASDAT0 220(open) RFGND...
  • Page 35 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 、 4 AUDIO FILTER & OUT PUT +12V 9012 R153 R188 0 1N4148 DV33 30k(5.1k) C115 680PF R189 0(OPEN) -12VA R190 1N4148 R150 R160 R137 CE40 10k(NC) R152 U11A R159 R138 R154 DAC_ML LOUT+ CE41 + CE44 R139 3.3K(470) 3.3uF/16V...
  • Page 36 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 　 Mpeg Board Top Side...
  • Page 37 　　　　　　　　　　　　　　　　　　　　　　　 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　 　 Mpeg Board Bottom Side...
  • Page 38 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 ELECTRICAL PARTS FOR MAIN BOARD CAPACITORS CAPACITORS 28-AC0105-ZFX SMD. CAP 1 UF 16VDC +80%/-20% 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 C105 28-AB0470-JCX CAP.SMD 47PF 50V +/-5% 0603 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 C106 28-AB0470-JCX CAP.SMD 47PF 50V +/-5% 0603...
  • Page 39 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 CAPACITORS RESISTANCE 28-AB0200-JCX CAP.SMD 20P 50V +/-5% 0603 19-AB0222-JTF RES SMD 2.2K OHM 1/10W 0603 28-AB0104-ZFX SMD. CAP 0.1 UF 50V +80%-20% 0603 19-AB0154-JTF SMD. RES 150K 1/10W +/-5% 0603 28-AB0473-ZFX SMD CAP 0.047 UF 50V +80-20% R108 19-AB0151-JTF RES SMD 150 OHM 1/10W 0603...
  • Page 40 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 8-10 RESISTANCE RESISTANCE R209 19-AB0103-JTF RES SMD 10K OHM 1/10W 0603 19-AB0472-JTF RES SMD 4.7K OHM 1/10W 0603 19-AB0222-JTF RES SMD 2.2K OHM 1/10W 0603 19-AB0102-JTF RES SMD 1K OHM 1/10W 0603 R211 19-AB0689-JTF SMD. RES. 6.8 OHM 1/10W +/-5% 19-AB0103-JTF RES SMD 10K OHM 1/10W 0603 19-AB0103-JTF...
  • Page 41 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 8-11 TRANSISTOR INDUCTANCE 12-A03055-0BX N MOSFET A03055 33-KLN501-NTF BEAD BGH0603B501LT 500 OHM 11-CG9012-HBF TRANSISTOR 3CG9012H (PNP) 33-ELN501-NTF CHIP BEAD 500 OHM +/-25% 11-CG9012-HBF TRANSISTOR 3CG9012H (PNP) 35-339740-008 FERR BEAD BF40TA-3.5X6X1 11-DG9013-HBF TRANSISTOR 3DG9013H (NPN) 33-ELN501-NTF CHIP BEAD 500 OHM +/-25% 11-DG9013-HBF TRANSISTOR 3DG9013H (NPN) 33-ELN501-NTF...
  • Page 42 　　　　　 　　 　　　　　　　　　　　　　　　　　　　　　　　　　　　　 Mechanical Exploded view...
  • Page 43 ENCASING & ACCESSORIES PARTS LIST SCREW LIST Part No. Part Name Part No. Part Name 56-M434D1-0HC 63-B26080-BF4 Front door S/T SCREW B 2.6 X 8 BF 56-M434D1-0HC 12 64-B30070-304 Door lens MACHINE SCREW 55-M434F1-0HN 14 64-B30060-307 Front panel TRIANGLE M/C SCREW 3*6.0 56-M434K1-0HN 16 63-B30080-BF7 Standby button...

  • Page 44: Revision List

    10-1 REVISION LIST Version 1.0 * Initial release...

This manual is also suitable for:

Mdv434k/55Sdv434/19

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