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Philips PET720 Service Manual
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Philips PET720 Service Manual

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Service Manual

TABLE OF CONTENTS

Technical Specification............................................. 1
Safety Instructions................................................... 2
Instruction for Use......................................................3
Mechanical Instructions............................................. 4
Troubleshooting & Service Tips................................. 5
Overall Block Diagram................................................ 6
Overall Wiring Diagram............................................. 7
Electrical Diagram...................................................... 8
Component Layout..................................................... 9
Exploded View Diagram & Service Part List...................10
Revision List............................................................. 11
©Copyright 2005 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
OSD TEST
All rights reserved. No part of this publication may by reproduced, stored in a
CONFIGURATION SETUP
retrieval system or transmitted, in any form or by any means, electronics,
mechanical, photocopying, or otherwise without the prior permission of Philips
Version 1.2
PET720
All version
Chapter
3141 785 30972

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Summary of Contents for Philips PET720

  • Page 1: Table Of Contents

    All rights reserved. No part of this publication may by reproduced, stored in a CONFIGURATION SETUP retrieval system or transmitted, in any form or by any means, electronics, mechanical, photocopying, or otherwise without the prior permission of Philips 3141 785 30972 Version 1.2...

  • Page 2: Technical Specification

    Playback with TFT on <1.2A typ. Portable Playback without TFT on <600mA Download the latest software from the Philips Battery playtime >2.5hrs support site. Unzipped the files and then burn it onto a CD ROM then playback the CD ROM on the DVD Portable.
  • Page 3 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 4 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 5 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 6: Instruction For Use

    3.0 INSTRUCTIONS FOR USE MENU DVD PLAYER LAYOUT POWER/CHG Displays MENU page Power and charging indicator Remote sensor On Screen Display on / off OPEN , , , Opens disc door to insert or Up / down / left / right cursor remove disc ON .
  • Page 7 Remote Control , , , 7 0 - 9 Up / down / left / right cursor Numeric keypad Confirms selection 8 MUTE Muting play volume VOLUME REPEAT Volume control Repeats chapter / title / disc 9 RETURN For previous ( ) or next ( ) For VCD menu page chapters, tracks or titles ANGLE...
  • Page 8 4.0 MECHNICAL INSTRUCTIONS 1. Back View as Fig.1 4. Remove key board and other parts as Fig.5 Remove screws to remove base Fig.5 Fig.1 5. Remove top cover as Fig.6 2. Disconnect key control wire and 20 pins harness, Remove screws to dismentle the plate, Soldered short pattern for laser diode as Fig.2 20 pins harness key control wire...

  • Page 9: Troubleshooting & Service Tips

    1. Power on player and open DVD Door. 2. Press <Set Up> at Remote Control. In <Set Up Menu> select <Preferences>. 3. For PET720 - Press successively 2 1 2 2 2 5. . . 4. Display will show <Region Code 2> for Europe: 5.
  • Page 10 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 11 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 12 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 13 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 14: Overall Block Diagram

    6.0 OVERALL BLOCK DIAGRAM OSCILLATOR DC 9V 8M FlashROM 64M SDRAM OZ9RR 27MHz TC4W53 74HCU04 MX26LV008BTC-55G HY57V641620ETP-H 27MHz HIGH VOLTAGE ASS'Y MX88V462UCG TFT MONITOR RF AMP & SERVO & DVD PROCESSOR DV23(HD80) MPEG-2 DECODER & VIDEO ENCODER PU mechanism MT1389XE/D2-L VIDEO IN +3.3V +1.8V...

  • Page 15: Overall Wiring Diagram

    7.0 OVERALL WIRING DIAGRAM SWITCH PCB HV POWER PCB HV GND BRIGHT TFT ON/OFF BATT+ LD/VCC XS001 CD/DVD SW BATTERY VCOMS 3.3V VRCD VRDVD VCOMS LD/CD TFT-16V LD/DVD SPIO MODE2 MODE1 SPOI FCS- SPIO TRK+ MODE1 TRK- FCS+ VDD1 SPOI LIMIT LCD R TFT +5V...

  • Page 16: Electrical Diagram

    8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (MPEG) 601H 601H C117 390pF JITFO JITFN DV33 RFVDD3 C122 CB15 750k 0.1uF 100N 100P APLLVDD3 601H CB14 DACVDD3 DV33 601H 0.1uF C123 C411 C127 CB133 CB131 601H PLLVDD3 R137 C /C 0.1uF 0.1uF 0.1uF ADACVDD3...
  • Page 17 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (FLASH & SDRAM) D004 $$$148 $$$150 $$$151 $$$152 $$$153 $$$155 $$$156 $$$190 $$$157 $$$189 $$$191 $$$158 $$$188 $$$192 $$$159 DV33 $$$187 $$$193 MA10 $$$160 $$$186 A10/AP DQ10 $$$194 MA11 $$$161 $$$185 DQ11 $$$195 $$$165 $$$184 BA0/A13...
  • Page 18 Crystal 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (TFT) CLK_IN CLK_OUT R257 R256 C131 27MHz C128 +P5V 20pF 20pF 100UH C228 1N C225 C221 C2220 C227 470P 10UF 10UF 100N C226 D2V5 R255 470N AAT1109 VD37 R280 TFT-13V AO3402 100UH C285 10UF VD38...
  • Page 19 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (DC POWER) #HV9V L005 C091 C024 C167 C077 C088 CDRH6D38-330MC 10U/10V 100N 100U/10V 16v/100u 100N 100N DRVCC 5V5 CATION:REPLACE PUSE WITH SAME 5.5V OUT TYPE AND RATING VD101 BA05 Littelfuse C010 C129 C128 C138 C021 T3A/125V...
  • Page 20 8.0 ELECTRICAL DIAGRAM MAIN BOARD CIRCUIT DIAGRAM (AUDIO) PCM1753 ACLK ABCK DV33 ASDATA0 DATA ALRCK R558 R158 +P5V LRCK R559 VD524 DV33 DGND KTA1298 +P5V +3.3V ZERONA MUTE VD522 1SS355 R567 R556 VD525 1SS355 R557 VD520 100k ZERO OA CB128 CB129 LOUT C554 47U/4V...
  • Page 21 8.0 ELECTICAL DIAGRAM - HIGH VOLTAGE BOARD CIRCUIT DIAGRAM 1210 UI8.5 SOT-23 SOT-23...

  • Page 22: Component Layout

    9.0 COMPONENT LAYOUT PET720 IF BOARD DIAGRAM PET720 HV BOARD DIAGRAM...
  • Page 23 9.0 COMPONENT LAYOUT PET720 MAIN BOARD DIAGRAM...
  • Page 24 BATTERY RC-810 REMOTE PET720 994000003945 CONTROL CAR CIGARETTE PET720 994000003948 CARADAPTOR ADAPTER PET720 994000001912 AV CABLE AVCABLE ADPV26A AC POWER 994000003946 ACADAPTOR PET720/00 ADAPTOR/00 ADPV18A AC POWER 994000003524 ACADAPTOR PET720/05 ADAPTER/05 994000005108 PET720 MAIN PCBA PET720 PET720 994000002151 IF PCBA...
  • Page 25 10.0 SERVICE PARTS LIST The following service BOMs are applied for all version unless specified. Location Model# Service 12NC Description Photos Code PET720 994000004192 HV PCBA PET720 994000004193 FUNCTION PCBA PET720 994000004194 20 PIN HARNESS (LE115) PET720 994000002242 20 PIN HARNESS (LE140)
  • Page 26 10.0 SERVICE PARTS LIST The following service BOMs are applied for all version unless specified. Location Model# Service 12NC Description Photos Code PET720 994000005109 PET720 TOP COVER PET720 994000004188 PET724 DISPLAY FRAME PET724 MIDDLE PET720 994000004184 CABINET MIDDLE CABINET PET720...

  • Page 27: Revision List

    11.0 REVISION LIST Version 1.0 (3141 785 30970) • Initial release PET720 Version 1.1 (3141 785 30971) • Chapter 10 - Added location code on spare parts Version 1.2 (3141 785 30972) • Chapter 10 - Added Middle Cabinet Plaque (996510000786)