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 Published by BU AVM – BL...
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1.0 TECHNICAL SPECIFICATION General Playback disc type: CD,+/-R/ RW,DVD DVD+/-R/RW Video Playback Format: DVD / VCD/DivX, JPEG image Dimensions (W x H x D): 240 x 178.5x 34.8 mm Bear Unit Weight: 1.1kg Audio Playback Format: CD/MP3,DVD,WMA Power supply: Disc Diameter 8/12cm Supply voltage AC 100~240V (adapter)
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1. Download the “PHILIPS.AP” file from the Philips support site 2. Unzip the file,Drag-n-drop to SD card drive 3. Power on PET944 with AC/DC adapter 4. Insert the SD card drive to SD card port of the main set 5. The set will detect the upgraded SW 6.
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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.
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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.
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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.
4.0 MECHANICAL INSTRUCTION Disassembly Procedure on PET944 Remove eleven screws on back cabinet to separate top cabinet and screws 11pcs back cabinet. Generally open the front cabinet. Remove four screws and disassemble screws 4pcs.connecter 8pcs. the connecter on the Main board.
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Remove the 2pcs screws and cabinet on the TFT and IR board.
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?
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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...
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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...
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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...
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PET944 BLOCK DIAGRAM BATTERY 3.3 V HANNSTAR 9" DIGITAL DC - DC BOARD PANEL 9V DC -IN R G B VIDEO-OUT 3.3V CVBS 1.8V AVOUT 4558 AUDIO-OUT SPEAKER G1450 EARPHONE FLASH CT901 CT909P-Y SDRAM SD CARD 16*16 TOPRAY3000 MOTOR DRIVER...
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7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-TFT BACKLIGHT KEY1 VOL- PREV KS11 SETINGS KEY2 KS13 SOURCE DISK MENU DOWN KEY3 KS12 VOL+ NEXT STOP RIGHT KEY4 ENTER KS10 LEFT KEY5 KS14 POWER ON/OFF POWER_K1 POWER_K2...
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7.0 ELECTRICAL DIAGRAM Discharge Discharge SI2307 CIRCUIT DIAGRAM-POWER CHARGE_DCIN CHARGE_DCIN DET_PLAY DET_PLAY 3904 SK34 3904 DR16 4.7K DR18 +3.3V +1.8V FB600R DC_JACK T1 CON SI2307 +9VIN DC_IN 9V_CLOCK FUSE 9V_CLOCK 3 SK34 0.1uF 1117-1.8V 47uF/10V POWER_K1 4001 100UF/25V POWER_K1 POWER OFF POWER ON POWER_K2 POWER_K2...
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8.0 SERVICE PARTLIST PET944/12 996510023048 BAT PCBA & BAT ASS'Y PET944 PET944/58 PET944/93 996510025398 BAT PCBA & BAT ASSY PET944/93 PET944/12 996510023056 9" PANEL FINAL ASS'Y PET944/58 PET944/93 996510025428 9" PANEL FINAL ASS'Y PET944/12 996510024067 DVD DECK MG9703T1HT PET944/58 PET944/93...
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PET944 BK PET944/12 DVD BOTTOM CABINET 996510023022 PET944/58 PET944 BK DVD BOTTOM CABINET PET944/93 996510025397 PET944 BK PET944/12 996510023028 DVDDOOR PET944 BK PET944/58 PET944/93 996510025375 DVDDOOR PET944 BK PET944/12 996510023009 OPEN KEY PET944 BK PET944/58 PET944/93 996510025402 OPEN KEY PET944 BK...
9.0 REVISION LIST Version 1.0 • Initial release PET944/12 Version 1.1 • Add PET944/58/93 Version 1.2 • Delete the region 0 setting • Add speaker grill in mechanical spare part list • Update the other spare part 12nc...