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Philips PET944 Service Manual
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Philips PET944 Service Manual

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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
Published by BU AVM - BL
Version 1.2
Printed in the Netherlands
PET944
All version
Chapter
Subject to modification
3141 785 33752

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Summary of Contents for Philips PET944

  • 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 Published by BU AVM – BL...
  • Page 2 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)
  • Page 3 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.
  • Page 4 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 5 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 6 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 7: Instruction For Use

    3.0 INSTRUCTION FOR USE...
  • Page 8 3.0 INSTRUCTION FOR USE...

  • Page 9: Mechanical Instructions

    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.
  • Page 10 Remove the 2pcs screws and cabinet on the TFT and IR board.

  • Page 11: Troubleshooting

    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 12 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 13 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 14 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 15 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...

  • Page 16: Electrical Diagram

    7.0 ELECTRICAL DIAGRAM +9VIN +9VIN CIRCUIT DIAGRAM-TFT BACKLIGHT DCPWM1 DCPWM1 DC_FBK1 DC_FBK1 PCK1 PCK1 +3.3V +3.3V 0.1uF LED +1 RL18 SENSOR 100PF CL33 ECL4 2.2UF/16V/0805 0.1uF 22uH/CD54 SSD03 0.1uF LED —1 ECL5 CL35 100uF10V 0.1uF RL43 LL21 +5V_TFT RL44 FB 600R RL45 DC_FBK1 4.7k...
  • Page 17 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-TFT BACKLIGHT SS214U DNL1 CL18 0.1uF RL34 3906 CL21 0.1uF CL19 CL20 4.7k CL22 1uF/0603 10U/10V/0805 7.5V 1uF/0603 DN2 SS214U DNL3 CL23 0.1uF DCPWM1 DCPWM1 RL36 3904 DC_FBK1 DC_FBK1 SS214U +9VIN CL25 RL35 +9VIN +9VIN CL24 1uF/0603 10U/25V/1206 SW_DC...
  • Page 18 7.0 ELECTRICAL DIAGRAM AGND2 PVAA AVDD2 P_R2 VPNLD P_R3 CIRCUIT DIAGRAM-TFT DRIVER P_R4 P_R2 P_R5 P_R3 P_R6 P_R4 P_R7 P_R5 P_R6 P_G2 P_R7 P_G3 P_G4 P_G5 P_G2 0/0805 P_G3 RL301 47/1% RL12 15/1% P_G6 P_G4 AVDD P_G7 P_G5 AVDD=+10V 2.9V P_B2 P_G6 VPNLD...
  • Page 19 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...
  • Page 20 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...
  • Page 21 7.0 ELECTRICAL DIAGRAM R234 BEAD 600R R235 BEAD 600R +3.3VDDC +1.8V R236 BEAD 600R R237 BEAD 600R CIRCUIT DIAGRAM-MPEG +3.3V +3.3VDDC FB600R MD[0..15] R238 BEAD 600R R239 BEAD 600R MA[0..12] R240 BEAD 600R R241 BEAD 600R EC10 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF 0.1uF...
  • Page 22 7.0 ELECTRICAL DIAGRAM RFVCC L23 FB600R EC20 CIRCUIT DIAGRAM-SERVER 100u/10V 0.1uF 0.1uF SGND 1000P 0.1uF RFAC RFVCC 680P 0.1uF 680P 0.1uF 680P 680P RF_SDEN RF_SDEN SDEN RF_SDA SDATA RF_SDA FB600R 100P RF_SCK SCLK RF_SCK DVD-D +3.3VS RFVCC DVD-C 3.3K MNTR MNTR MNTR DVD-B...
  • Page 23 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-SDRAM +3.3VF +3.3VF +3.3VF R106 C108 MD[0..15] EC30 R107 R108 MD[0..15] 0.1uF 10uF/10V 2,3,4,7 MA[0..12] MA[0..12] MA12 MA11 MD15 SF_CSN SF_1 SF_8 DGND SF_SCN DQ15 MA10 MD14 SF_DO SF_2 SF_7 DQ14 SF_DO /HOLD MD13 SF_3 SF_6 R109 SF_CLK DQ13...
  • Page 24 R124 7.0 ELECTRICAL DIAGRAM C121 68PF +3.3V +3.3V 1,2,3,4 U12A +9VIN R126 CIRCUIT DIAGRAM-AUDIO&VIDEO +9VIN EC34 R125 5.1K AU_L_OUT EC35 10uF/10V R127 AV-OUT-L R147 AU_R_OUT 10uF/10V R129 C125 R130 36K AOUT_R A_L_SPEAKER NJM4558-SOP-8 C126 1000PF R148 AU_L_OUT 820P AOUT_L +Vcc R133 100K R134...
  • Page 25 7.0 ELECTRICAL DIAGRAM CIRCUIT DIAGRAM-BATTERY BAT+ CHARGE_DCIN CHARGE_DCIN 33uH/CD54 HT772J Discharge Discharge DR50 DC11 IN4148 220uF/16V 2.2uF/1206 DIC3 47uF/25V DR55 IN4148 3904 MBRS140 8242 DR51 DR43 DC18 680/0805 680/0805 DR33 DR34 DR53 DR54 DET_PLAY DET_PLAY BAT- DR22 100K/1% 4.7M DIP/9013 DIC2 9926 DQ13...

  • Page 34: Service Partlist

    PET944/12 996510023042 KEY PCBA ASS'Y PET944 PET944/58 PET944/93 996510025392 KEY PCBA ASSY PET944/93 PET944/12 996510023044 DVD PCBA ASS'Y PET944 PET944/58 PET944/93 996510026468 DVD PCBA ASSY PET944/93 (16M PET944/12 996510023055 TFT PCBA ASS'Y PET944 PET944/58 PET944/93 996510025429 TFT PCBA ASSY PET944/93...
  • Page 35 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...
  • Page 36 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...
  • Page 37 POWER KEY PET944 PET944/93 996510025403 PLATING PET944/12 NAVIGATION_KEY 996510023024 PET944/58 PET944 PLATING NAVIGATION_KEY PET944/93 996510025406 PET944 PLATING PET944/12 996510023037 OK KEY PET944 PLATING PET944/58 PET944/93 996510025408 OK KEY PET944 PLATING PET944/12 LENS PET944 996510023026 PET944/58 AUBERGINE LENS PET944 PET944/93 996510025383 AUBERGINE PET944/12...
  • Page 38 8.0 SERVICE PARTLIST PET944/12 DISC MENU KEY PET944 996510023038 PET944/58 DISC MENU KEY PET944 PET944/93 996510025393 PET944/12 996510023036 VOLUME KEY PET944 BK PET944/58 PET944/93 996510025384 VOLUME KEY PET944 BK PET944/12 PREV NEXT KEY PET944 996510023011 PET944/58 PREV NEXT KEY PET944...
  • Page 39 PET944/93 996510025394 BRACKET PET944 BK PET944/12 CABLE COVER PET944 996510023031 PET944/58 CABLE COVER PET944 PET944/93 996510025382 PET944/12 996510023027 CD LATCH PET944 BK PET944/58 PET944/93 996510025395 CD LATCH PET944 BK PET944/12 DISPLAY FRAME & SPK 996510023051 PET944/58 PET944 PET944/12 SPEAKER_GRILL PET944...
  • Page 40 SW ADAPTOR 9V/1.5A EU PET944/58 SW ADAPTOR 9V/1.5A PET944/93 996510025396 CHINA PET944/12 PET944/58 996510004975 AV CORD L230mm 3P PET944/93 PET944/12 PET944/58 996510021031 CAR CORD 1.5A UL1.8m PET944/93 PET944/12 R/C 29KEY PHILIPS PET944/58 996510022292 PET944 PET944/93 PET944/12 PET944/58 996510012446 CAR MOUNT PET944/93...

  • Page 41: Revision List

    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...