Philips-PET-706-Service-Manual电路原理图.pdf

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1、DVD Portable Player PET706 / PET707 All version 3141 785 31203 Version 1.3 TABLE OF CONTENTS Chapter Technical Specification 1 Safety Instructions 2 Instruction for Use3 Mechanical Instructions 4 Troubleshooting & Service Tips 5 Overall Block Diagram 6 Overall Wiring Diagram 7 Electrical Diagram 8 C

2、omponent Layout. 9 Service Parts List. 10 Revision List. 11 Service Manual OSD TEST CONFIGURATION SETUP 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

3、form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips 1.0 TECHNICAL SPECIFICATIONGeneralDimensions (WxLxH): 18.9 x 14.7 x 3.7 cm7.5 x 5.75 x 1.5 inchesWeight: 0.86 kg / 1.89 lbPower supply: DC 9V 1.8AOperating temp. range: 0 - 50C (32 122F)

4、Laser wavelength: 650nmVideo system: NTSC / PAL / AUTOFrequency response: 20Hz 20KHz 1dB Signal/noise ratio: 85dBAudio distortion + noise: -80(1KHz)Channel separation: 85dBDynamic range: 80dBOutputAudio out (analog audio): Output level: 2V 10%Load impedance: 10KVideo out Output level: 1Vp - p 20%Loa

5、d impedance: 75Current consumptionDC-IN SUPPLY (9.0V)Battery Charging Current 1.2A typ.BATT. SUPPLY (7.2V)Power Off 0APlayback with TFT on 2.5hrsHeadphone out (headphone output load 2x16ohm)Maximum output power: 10mWFrequency response: 20Hz - 20kHzSNR (A-wght): 80dB typ.THD (1kHz): BTo repeat or loo

6、p a sequencein a titlePLAY-MODESelects play order options7 0 - 9Numeric keypad8 MUTEMuting play volumeREPEATRepeats chapter / title / disc9 RETURNFor VCD menu pageANGLESelects DVD camera angleSUBTITLESubtitle language selectorLANGUAGELanguage selectorMENUDisplays MENU pageSETUPEnters SETUP menuRemot

7、e ControlUp / down / left / right cursorConfirms selectionOn Screen Display on / offINFRA RED PORTBATTERY COMPARTMENT1011121314Pause playbackPress twice to stop playback/For previous ( ) or next ( )chapters, tracks or titles/Search backward ( ) or searchforward ( )Starts / resumes playbackVOLUMEVolu

8、me control4.0 MECHNICAL INSTRUCTIONSFig.1soldered1. Back View as Fig.1Remove screws to remove base2. Soldered short pattern for laser diode as Fig.23.Fig.2Remove DVD driver and main board as Fig.3,4Disconnect DVD driver and main boardFig.34. Remove key board and other parts as Fig.5Fig.55. Remove to

9、p cover as Fig.6Fig.4Remove main boardFig.66.Disconnect TFT and PTH boardRemove PTH board as Fig.7.7.Fig.7Remove LCD TFT as Fig.8.Fig.85.0 TROUBLESHOOTING & SERVICE TIPSProcedure to change regioncode1. Power on player and open DVD Door.2. Press at Remote Control. In select .3. For PET706 - Press suc

10、cessively 2 1 2 2 2 5. . .4. Display will show for Europe:5. Press key to input preference region code (see below table).6. Switch off and re-switch on the product.Verify Region code change done.7.Region Code Region1 USA2 EUROPE3 ASIA PACIFIC4AUSTRALIA,NEW ZEALAND,LATAM5RUSSIA, INDIA6CHINAREMARKS:1.

11、 Password is CONFIDENTIAL.2. Region code is printed on product type plate. Due to DVD legislation region codesdifferent to assigned region may not be released.5.0 TROUBLESHOOTING & SERVICE TIPS noreplace cable/adapterSYMPTOM: NO POWER, NO GREEN LEDCheck if thepower cableandAC adapterOK?No defect, re

12、turnset to customeryesstartset OK?Check if thepower and playbutton OK?replace connectorand switch unitreplace MAINBOARDgo to otherSYMPTOMnoyesyesnoreplace DVD driveSYMPTOM: NO IMAGE OR SOUND COMES OUT FROM THE EXTERNAL OUTPUTstartCheckoperation ofthe DVD drive.Does the DVDdrive work?yesnoReplace the mainboard or theconnector