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Philips PET722 Service Manual
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Philips PET722 Service Manual

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DVD Portable Player
Service Manual

TABLE OF CONTENTS

Technical Specification & Service Tips......................... 1
Safety Instructions..................................................... 2
Instruction for Use...................................................... 3
Mechanical Instructions.............................................. 4
Troubleshooting .........................................................5
Overall Block Diagram................................................. 6
Electrical Diagram...................................................... 7
Service Part List.......................................................... 8
Revision List............................................................. 9
©Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication may by reproduced, stored in a
retrieval system or transmitted, in any form or by any means, electronics,
mechanical, photocopying, or otherwise without the prior permission of Philips
Version 1.2
PET722 / PET726
All version
Chapter
3141 785 32442

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Summary of Contents for Philips PET722

  • Page 1: Table Of Contents

    All rights reserved. No part of this publication may by reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips 3141 785 32442 Version 1.2...

  • Page 2: Technical Specification

    1.0 TECHNICAL SPECIFICATION General Playback disc type: DVD, Picture-CD, SVCD, Video CD, MP3- CD, CD-R/CD-RW, WMA-CD, DVD-R, DVD- Dimensions (W x H x D): 158 x 210 x 39.5 mm RW, DVD+R, DVD+RW Bear Unit Weight: 0.79 kg +/- 5% Power supply: Video Playback Format: DVD / VCD / SVCD / CD...
  • Page 3 For the best performance of your DVD Portable. Check www.philips.com/support for latest software upgrades available. A) By CD-ROM Download the “PHILIPS.BIN” file from the Philips support site Unzip the file and then burn it into a CD-ROM to make a disc for upgrade CD-ROM disc name must be “PHILIPS”...
  • Page 4 1.0 TECHNICAL SPECIFICATION Service Policy on PCBA of PET722 / PET726 Type Main PCBA TFT PCBA KEY PCBA BATTERY PCBA MLR = module swap...
  • Page 5 2.0 SAFTETY INSTRUCTIONS WAARSCHUWING WARNING Alle IC’s en vele andere halfgeleiders zijn All ICs and many other semi-conductors are gevoelig voor electrostatische ontladingen susceptible to electrostatic discharges (ESD). (ESD). Careless handling during repair can reduce life Onzorgvuldig behandelen tijdens reparatie kan drastically.
  • Page 6 2.1 ESD PROTECTION When the power supply is being turned on, you may not remove this laser cautions label. If it removes, radiation of laser may be received. PREPARATION OF SERVICING Pickup Head consists of a laser diode that is very susceptible to external static electrocity. Although it operates properly after replacement, if it was subject to electrostatic discharge during replacement, its life might be shortened.
  • Page 7 SAFTY NOTICE SAFTY PRECAUTIONS LEAKAGE CURRENT CHECK Plug the AC line cord directly into a 120V AC outlet (do Measure the AC voltage across the 1500 resistor. not use an isolation transformer for this check). Use an The test must be conducted with the AC switch on and AC voltmeter, having 5000 per volt or more sensitivity.

  • Page 8: Safety Instructions

    2.2 SAFETY INSTRUCTIONS Battery Handling Guideline Since the battery is packed in soft package, to ensure its better performance, it’s very important to carefully handle the battery 2.2.1 Soft Aluminium foil The soft aluminum packing foil is very easily damaged by sharp edge parts such as Ni-tabs, pins and needles. •...

  • Page 9: Instruction For Use

    3.0 INSTRUCTION FOR USE...

  • Page 10: Mechanical Instructions

    4.0 MECHANICAL INSTRUCTION Disassembly Procedure 1. Remove 5pcs of screws on the side of bottom cabinet (include the one behind plastic stand). 2. Slip the TFT section, then you can open the bottom cabinet. Be careful of the FFC which connect with main board and TFT board.
  • Page 11 4.0 MECHANICAL INSTRUCTION 3. Up-plug the FFC from DVD driver, then you can take out the DVD Driver. 4. Remove the flex FFC on the bottom side behind the black flannel . 5. Remove 4pcs of screws on the battery board.
  • Page 12 4.0 MECHANICAL INSTRUCTION 6. Remove 8pcs of screws on the TFT back cabinet. Then you can open the display frame, carefully! ( There is a catch as shown in the pictures) 7. To remove the hinge, remove the screws on the hinge. To remove the TFT, de-soldering the wire connected between panel and TFT board first;...
  • Page 13 4.0 MECHANICAL INSTRUCTION up-plug the speaker line from TFT board, and don't forget de-soldering the black ground wire behind black flannel. At last you can take out the driver board from cabinet using eradicator. Don’t forget to up-plug the FFC which connect with TFT board and main board...

  • Page 14: Troubleshooting

    5.0 TROUBLESHOOTING SYMPTOM: BATTERY NO POWER BATTERY CAN＇T Power ON Start Check charging Check adaptor Check Battery capacity? SET OK? function OK? power-ON OK? Check the Power-ON No Defect, return button and cable OK? set to Customer Replace Button or Replace Main Board Cable...
  • Page 15 5.0 TROUBLESHOOTING SYMPTOM: NO IMAGE / NO SOUND SYMPTOM: NO IMAGE OUTPUT ( THE PANEL SHOW BLUE PICTURE) Start Check DVD Drive work? Replace DVD Drive Check the external AV NOTE: AV Cable TYPE from outside to note Cable TYPE Exchange AV cable Inside L-Audio, R-Audio, Video, Ground connection is OK?
  • Page 16 5.0 TROUBLESHOOTING SYMPTOM: THE DVD DRIVE DOES NOT WORK SYMPTOM: THE DVD DRIVE DOESN＇T WORK Start Check DVD-Loader Cable Reinsertion connection OK? Check the DVD-Loader Replace DVD- Loader Replace main board...
  • Page 17 5.0 TROUBLESHOOTING SYMPTOM: ADAPTOR CANNOT POWER ON Adaptor can not Power ON Start Check Adaptor OK? Change adaptor SET OK? Check the Power-ON Return set to Replace Main Board button and cable OK? Customer Replace Button or Cable...
  • Page 18 5.0 TROUBLESHOOTING SYMPTOM: REMOTE CONTROL CANNOT WORK SYMPTOM: THE REMOTE CONTROL CAN NOT WORK Start Check CABLE form bottom board to top board Cable Reinsertion connection OK? Check TOP-board OK? Replace IR receiver Replace top board Replace main board Return to custormer...
  • Page 19 5.0 TROUBLESHOOTING SYMPTOM: NO SOUND FROM HEADPHONE...
  • Page 20 5.0 TROUBLESHOOTING SYMPTOM: LED DISPLAY FAILURE SYMPTOM: LED Display Fail Start Check CABLE form Main board to top board Cable Reinsertion connection OK? Check TOP-board OK? Replace LED Replace top board Replace main board Return to custormer...
  • Page 21 5.0 TROUBLESHOOTING SYMPTOM: KEY & BOTTON FAILURE SYMPTOM: Key & Botton Fail Start Check CABLE form board to Cable Reinsertion board connection OK? Check KEY board OK? Replace KEY board Replace main board Return to custormer...
  • Page 22 6.0 BLOCK DIAGRAM...

  • Page 23: Electrical Diagram

    7.0 ELECTRICAL DIAGRAM The diagrams listed on the following pages: Part 1 – Schematic diagram of MAIN BOARD (1 page) Part 2 – Schematic diagram of TFT DRIVER BOARD (1 page) Part 3 – Schematic diagram of BATTERY BOARD (1 page) Part 4 –...
  • Page 24 battery charge BATTERY CES2307 +9VDCIN CHARGE 22k 1% 560R B-CHARG 3904 3904 910 1% 0.1uF CHARGE ON INDICATION DC_IN switchpower POWER ON ON/OFF B-CHARG Low Voltage Det POWER OFF 0.1u 33K 1% 3904 4.7K SK34 3904 3K6 1% L-851 2A_FUSE Q5 2307 DC_IN DC_IN...
  • Page 25 AC16 AC37 SP_R SP_R 22uH SSD03 89P VCOM DAC OUTPUT 0.1uF 10uF/16V/1206 AR61 AC15 AR30 AC14/NC AR33 AU2A AR28 VCOM LG&PHILIPS LT070W02 0.1uF 0.1uF 89KP_VCOM AR34 AC11 AC12 CSC3414A DMP8 HWCAT AC38 AC24 0.1uF 0.1uF 10uF10V 0.1uF 10uF/16V(A) 10uF/16V(A) AR29...

  • Page 33: Service Part List

    8.0 SERVICE PART LIST Electrical Part List: Service 12NC Service Description Photo Pos. PET722/79 PET722/98 996510011223 MAIN PCBA PET726/37 PET722/79 PET722/98 996510011210 TFT DRIVER PCBA PET726/37 PET722/79 PET722/98 996510011211 BATTERY PCBA + BATTERY PACK PET726/37 PET722/79 PET722/98 996510011212 KEY PCBA...
  • Page 34 8.0 SERVICE PART LIST Mechanical Part List: Service Service Description Photo Pos. 12NC PET722/79 996510009852 7” LCD PANEL PET722/98 PET726/37 996510002360 7” LCD PANEL LG E2 PET722/79 PET722/98 996510007686 DVD LOADER PET726/37 PET722/79 PET722/98 996510011214 MONITOR TOP ASB + SPEAKERS...
  • Page 35 8.0 SERVICE PART LIST Mechanical Part List: Service Service Description Photo Pos. 12NC PET722/79 PET722/98 996510011219 OK BUTTON PET726/37 PET722/79 PET722/98 996510011220 MENU BUTTON PET726/37 PET722/79 PET722/98 996510015422 AV OUT/DVD BUTTON PET726/37 PET722/79 PET722/98 996510011222 POWER BUTTON PET726/37 PET722/79 PET722/98...
  • Page 36 8.0 SERVICE PART LIST Mechanical Part List: Service Service Description Photo Pos. 12NC PET722/79 PET722/98 996510011228 R STAND LOCK POM PET726/37 PET722/79 PET722/98 996510011229 L STAND LOCK POM PET726/37 PET722/79 PET722/98 996510011230 WHEEL POM PET726/37 PET722/79 PET722/98 996510011231 PLATE SLIDE STEEL...
  • Page 37 Pos. No. 996510006564 CAR ADAPTER CARAPT 996510004972 REMOTE CONTROL 996510004975 AV CABLE AVCABLE AC/DC ADAPTER FOR EU 996510002353 ACAPT (PET722/98) AC/DC ADAPTER FOR AUS/NZ 996510005473 ACAPT (PET722/79) AC/DC ADAPTER FOR US 996510010992 ACAPT (PET726/37) 996510019997 PAC132 2 SCREEN E2 PAC132...

  • Page 38: Revision List

    9.0 REVISION LIST Version 1.0 (3141 785 32440) • Initial release PET722/98 Version 1.1 (3141 785 32441) • Add the part list for PET722/79 Version 1.2 (3141 785 32442) • Add the part list for PET726/37...

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