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Philips PET940 Service Manual
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Philips PET940 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
Overall Wiring Diagram................................................7
Electrical Diagram...................................................... 8
Component Layout.................................................... 9
Service Part List......................................................... 10
Revision List............................................................. 11
©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 1.0
PET940
All version
Chapter
3141 785 32700

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Summary of Contents for Philips PET940

  • 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 32700 Version 1.0...
  • Page 2 1.0 TECHNICAL SPECIFICATION Playback disc type: DVD, Picture-CD, General SVCD, Video CD, MP3- CD, CD-R/CD-RW, WMA-CD, DVD-R, DVD- Dimensions (W x H x D): 260 x 198 x 40 mm RW, DVD+R, DVD+RW Weight: 1.98kg Power supply: DC 9-12V 1.8A Power consumption: Video Playback Format: DVD / VCD / JPEG /...
  • Page 3 For the best performance of your DVD Portable. Check www.philips.com/support for latest software upgrades available. Download the latest software from the Philips support site Region code “0” can be used for all regions! Unzip the files and then burn it into a CD-ROM to...
  • 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 INSTRUCTIONS FOR USE MAIN UNIT CONTROL POWER , , , Switch the power on/off. Up / down / left / right cursor. Confirm selection. Press once to stop playback and store the stop position. POWER/IR/CHR Press twice to stop playback Power /remote sensor /charging completely.
  • Page 8 REMOTE CONTROL MENU SUBTITLE Display MENU page. Subtitle language selector. , , , RETURN Up / down / left / right For VCD menu page. navigation key. A - B To repeat or loop a sequence Confirm seletion. in a title. VOL +/- SETUP Volume control.
  • Page 9 4.0 MECHNICAL INSTRUCTIONS 1. Open the machine as Fig.1 5. Remove screws to remove display frame Remove speaker grill . shade(base) and backlight board as Fig.5. Fig.1 Fig.5 2. Remove screws to remove the top cover 6. Then remove TFT LCD and speakers. discreteness as Fig.2.
  • Page 10 4.0 MECHNICAL INSTRUCTIONS 8. Remove battery ass’y as Fig.8. 12. Remove screws to remove hinge adorn panel as Fig.12. Fig.8 Fig.12 9. Broken connections to remove loading ass’y 13. Remove screws to remove hinge right and as Fig.9. hinge left ,then separate diplay frame disc- reteness and middle cabinet discreteness.

  • Page 11: Troubleshooting

    5.0 TROUBLESHOOTING & SERVICE TIPS SYMPTOM: NO POWER, NO GREEN LED start Check if the power cable replace cable/ No defect, return set OK? adapter set to customer AC adapter Check if the replace connector power and play and switch unit button OK? replace MAIN go to other...
  • Page 12 5.0 TROUBLESHOOTING & SERVICE TIPS SYMPTOM: THE INITIAL SCREEN IS NOT DISPLAYED ON THE LCD Refer to the symptom NO start POWER, NO GREEN LED Replace broken Check if the Repair connector harness LED on the front lights up? Remove the LCD Open the top and Is the cover and plate of...
  • Page 13 5.0 TROUBLESHOOTING & SERVICE TIPS SYMPTOM: THE DVD DRIVE DOES NOT WORK Press the DISC cover switch at the center of the DVD player and turn on the power. Then check whether or not the optical pick- up lens of the DVD drive lights. CAUTION: start Visible laser radiation when open and interlock defeated.
  • Page 14 5.0 TROUBLESHOOTING & SERVICE TIPS SYMPTOM: THE DVD DRIVE DOES NOT OPERATE WITH BATTERY start Install a good battery does the LED lights up orange while the AC adapter is connected and does the DVD drive operate OK? NOTE: - For this check, use a battery which is not fully Replace battery charged (because the LED does not light when the battery is fully charged.)

  • Page 15: Overall Block Diagram

    6.0 OVERALL BLOCK DIAGRAM 16M FlashROM 64M SDRAM TC4W53 EN25B16 HY57V641620ETP-7-C AT1313 RF AMP & SERVO & DVD PROCESSOR KHM252G TFT MONITOR MPEG-2 DECODER & VIDEO ENCODER PU mechanism MT1389DE/LP-L(K) +3.3V +5.5V +1.8V DRIVER DRIVER +5.5V (SA5954) VIDEO OUT 110~240V +15V -10V TFT POWER DC/DC...

  • Page 16: Overall Wiring Diagram

    7.0 OVERALL WIRING DIAGRAM BACKLIGHT PCB BATTERY PROTECTIVE PCB VLED+ VLED- IF PCB MAIN PCB TFT3V3 AVDD BOUT VCOM LD/DVD GOUT ROUT R/CR LD/VCC TFT3V3 B/CB LD/CD VR/DVD CPH2 VR/CD CPH3 CPH1# STHL STHL# LOADING LD/VCC OEH# OEV# CKV# COM# STVL# COM# SPL+...

  • Page 17: Electrical Diagram

    8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (MT1389LP) AUDIO_MUTE# V1P4 DV33 RFVDD3 RFV18-1 0.1U 0.1U 0.1U 0.1U 10U/10V 10U/10V 10U/10V 10U/10V 0.1U 0.1U 0.1U 0.1U 10U/10V 10U/10V DV33 FMC3 FMC3 AUDIO_MUTE AVDD33 24C02 24C02 RFV18-2 DV33 5.1P 5.1P 10U/10V 10U/10V 0.1U 0.1U 0.1U...
  • Page 18 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (AUDIO) VD23 VD23 R100 R100 AUDIO_MUTE VD25 VD25 2SD601 2SD601 HPROUT C118 C118 100P 100P U22A U22A VD24 VD24 C114 C114 STZ6.2N STZ6.2N BA4558 BA4558 3.3K 3.3K 3.9K 3.9K R101 R101 AOUT_R VD26 VD26 C120 C120...
  • Page 19 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (AV INTERFACE) VOUT VOUT CVBS LINEROUT# C129 C129 VD30 VD30 LINELOUT# C130 C130 STZ6.2N STZ6.2N VD19 VD19 AUDIO_MUTE VD21 VD21 2SD601 2SD601 LINEROUT# LINEROUT# LINEROUT LINELOUT# LINELOUT VD20 VD20 STZ6.2N STZ6.2N VD22 VD22 2SD601 2SD601 LINELOUT#...
  • Page 20 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (CPU&CONTROL) MC9S08QG4 MC9S08QG4 +P5V R127 R127 DV33 BKGD BATAD BATAD BKGD CPU3V3 ADDC RXD/SD_CMD DVDIN SHUTDOWN POWERKEY AOUT_R CPU3V3 KEYAD0 R128 R128 DV33 RMIN KEYAD1 RMIN TXD/SDD0 POWEREN IROUT AOUT_L CPU3V3 R104 R104 POWERKEY R105 R105...
  • Page 21 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (DRILL) DRILL DRILL DRILLS DRILLS MARK MARK MARK MARK DRILL DRILL DRILLS DRILLS MARK MARK MARK MARK DRILL DRILL DRILLS DRILLS DRILL DRILL DRILLS DRILLS MARK MARK MARK MARK DRILL DRILL DRILLS DRILLS MARK MARK MARK...
  • Page 22 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (DVD POWER & CHARGE) CATION:REPLACE PUSE WITH SAME VD11 VD11 BA05 BA05 MSAJ16A MSAJ16A TYPE AND RATING AUDIO+5V 10nF 10nF R105 R105 Littelfuse C152 C152 T3A/125V F001 F001 10U/16V 10U/16V HEC4801-010010 HEC4801-010010 0430003WR 0430003WR MP1411 MP1411...
  • Page 23 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (POWER & CHARGE) FUSE FUSE C107 C107 C103 C103 100N 100N 10U/16V 10U/16V 100U/16V 100U/16V D1 1715B D1 1715B C110 C110 0.1U 0.1U PVDD1 PVDD2 EMICOIL EMICOIL BOOT1 BOOT2 10UH 10UH L11 10UH L11 10UH DCIN DCIN...
  • Page 24 8.0 ELECTRICAL DIAGRAM IF BOARD CIRCUIT DIAGRAM VD7 709 VD7 709 L22 10uH L22 10uH VCOM -10V 0.1uF 0.1uF BAT54S 0.1uF 0.1uF 4.7K 4.7K 10uF/25V 10uF/25V 0.1uF 0.1uF 0.1uF 0.1uF 10UF/25V 10UF/25V CPH1 SMD BAT54S SMD BAT54S 0.22uF 0.22uF 22UF/25V 22UF/25V STHL 2.7K...

  • Page 25: Component Layout

    9.0 COMPONENT LAYOUT MAIN BOARD DIAGRAM...
  • Page 26 9.0 COMPONENT LAYOUT BATTERY PROTECTION BOARD DIAGRAM FUNCTION BOARD DIAGRAM BACKLIGHT BOARD DIAGRAM IF BOARD DIAGRAM...

  • Page 27: Service Part List

    10.0 SERVICE PART LIST Electrical Part List: Service Service Description Photo Pos. 12NC PET940/05 996510015992 MAIN PCBA /12 PET940/12 PET940/93 996510015952 MAIN PCBA /93 PET940/98 996510015951 MAIN PCBA /98 PET940/ALL 996510015993 IF PCBA PET940/ALL 996510015953 FUNCTION KEY PCBA PET940/ALL 996510015939...
  • Page 28 10.0 SERVICE PART LIST Mechanical Part List: Service Service Description Photo Pos. 12NC PET940/ALL 996510015940 TFT PANEL 9” PET940/ALL 996510010520 LOADER ASSY PET940/ALL 996510002948 SPEAKER FFC 24PIN LE240 (MAIN PET940/ALL 996510015941 BOARD TO IF BOARD) FFC 24PIN LE130 PET940/ALL 996500038677...
  • Page 29 10.0 SERVICE PART LIST Mechanical Part List: Service Service Description Photo Pos. 12NC PET940/ALL 996510015945 BASE COVER PET940/ALL 996510015946 SPEAKER GRILL PET940/ALL 996510015947 LENS PET940/ALL 996510015948 HINGE ADORN PANEL PET940/ALL 996510015949 HINGE RIGHT PET940/ALL 996510015950 HINGE LEFT...
  • Page 30 10.0 SERVICE PART LIST Accessories Part List: Service Service Photo Pos. No. 12NC Description PET940/12 AC ADAPTER 996500038689 ACAPT PET940/98 AC ADAPTER PET940/05 996510001289 ACAPT AC ADAPTER PET940/93 996500039077 ACAPT PET940/ALL 994000001912 AV CABLE AVCABLE PET940/ALL 996510010528 CAR ADAPTER CARAPT...

  • Page 31: Revision List

    11.0 REVISION LIST Version 1.0 (3141 785 32700) • Initial release PET940/05, /12, /93, /98...