Philips-PET-705-Service-Manual电路原理图.pdf

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1、DVD Portable Player PET705/00 3141 785 30954 Version 1.4 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 Component Layout. 9

2、 Exploded View Diagram & Service Part 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

3、any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips 1.0 TECHNICAL SPECIFICATIONGeneralDimensions (WxLxH): 19.3 x 16.1 x 3.0 cm7.72 x 6.44 x 1.2 inchesWeight: 0.824 kg / 1.81 lbPower supply: DC 9V 2.2APower consumption: 30WOperating te

4、mp. range: 0 - 50C (32 122F)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

5、Output level: 1Vp - p 20%Load 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.T

6、HD (1kHz): BTo repeat or loop 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 pag

7、eSETUPEnters SETUP menuRemote 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

8、/ resumes playbackVOLUMEVolume 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 the DVD driver and main boardFig.34. Remove key board and other

9、 parts as Fig.5Fig.55. Remove top cover as Fig.6Fig.4Remove DVD driver and main boardFig.66. Disconnect the speakers and IF boardRemove IF board shield as Fig.7,8.7.Fig.7Remove IF board and HV board andLCD TFT as Fig.9Fig.9removescrewsremovescrewsremovescrewsFig.85.0 TROUBLESHOOTING & SERVICE TIPSPr

10、ocedure to change regioncode1. Power on player and open DVD Door.2. Press at Remote Control. In select .3. For PET705 - Press successively 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

11、Region code change done.7.Region Code Region1 USA2 EUROPE3 ASIA PACIFIC4AUSTRALIA,NEW ZEALAND,LATAM5RUSSIA, INDIA6CHINAREMARKS:1. 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 TROUBLES

12、HOOTING & SERVICE TIPS Substitute solution for phased out Main PCB ASSY 994000004198 (General Service Information BG ES PI-06/006) The MAIN PCBA board 994000004198 is no longer support. The substitute solution is to use 994000005107 as replacement. However different IC were used on these two boards,

13、 software upgrade is NECESSARY after replacing 994000004198 by 994000005107 on the PET705. Please note that the set can be distinguished by the serial number with the change code “LL00xxxxxxxxxx” and “LL01xxxxxxxxxx”. Details refer to below table for different IC, PCBA and software version. Serial N

14、o. 12NC of Main PCBA IC of Main PCBA Software version LL00xxxxxxxxxx 9940 000 04198 5100G 051230 13:56 SQPN 4 LL01xxxxxxxxxx 9940 000 05107 5110G 060210 13:52 SQPN 4 New IC, PCBA and software version is implemented from SN:010608000001 on wk608. Procedure on how to upgrade the software of the DVD Po

15、rtable 1. Download the software from P4S website (refer G/SI# PI-06/006) 2. Unzip the attachment to get the bin file named “H3SUD” 3. Burn the bin file onto a CD-ROM and make sure rename the disc name to “SHINCO” (Do not allow multi-session when you burn the disc with bin file.) 4. Connect the PET70

16、5 with AC-DC power supply (Make sure power supply is always connected during software upgrade process, otherwise it may damage the flash of the set) 5. Power ON the set 6. Insert the disc 7. The display will show “UPGRADE FILE DETECTED” and then press PLAY 8. The display will show LOADING 9. The display will show “UPGRADE FILE DETECTED” again 10. Remove the disc and then check the software version 11. The upgraded set should show the software version to be “060210 13:52 SQPN 4”.