Philips-PET-1046-Service-Manual电路原理图.pdf

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1、DVD Portable Player PET1046 All version 3141 785 33270 Version 1.0 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, me

2、chanical, photocopying, or otherwise without the prior permission of Philips Published by FK 0851 AVM Printed in the Netherlands Subject to Modification TABLE OF CONTENTS Chapter Technical Specification & Service Tips. 1 Safety Instructions. 2 Instruction for Use 3 Mechanical Instructions. 4 Trouble

3、shooting 5 Overall Block Diagram. 6 Overall Wiring Diagram7 Electrical Diagram 8 Component Layout. 9 Service Part List 10 Revision List. 11 Service Manual 1.0 TECHNICAL SPECIFICATION General Dimensions (W x H x D): 270 x 190 x 38 mm Weight: 1.5kg Power supply: Input 100-240V, 50/60Hz Output DC 9V-12

4、V, 1.8-2.2A Power consumption: 20W Operating temp. & RH: 0 - 50 degC / 30 90% RH Laser wavelength: 650nm Video system NTSC / PAL / AUTO Dynamic range: /=80dB Signal/Noise ratio: /=85dB Frequency response 20Hz-20kHz +/-1dB Channel Separation 1kHz /=85dB Channel Balance 1kHz 1dB Audio out (analog audi

5、o) Output level: 2V +/- 10% Load impedance: 10Kohm Video out Output level 1Vp p +/- 20% Load impedance 75ohm Current consumption DC-IN SUPPLY (9V) Battery Charging Current 2.2A typical BATT. SUPPLY (7.2V) Power Off 0A Playback with TFT on 2.5 hour Headphone out (headphone output load 2x16 ohm)Maximu

6、m output power: 10mW Frequency response: 20Hz 20kHz SNR (A-wght): 80dB typical THD (0.2-20kHz): ”2” - ”3” by remote control 3. The display will show the software version as the date of which the software was built on the bottom of the screen. Procedure to upgrade the software of your portable DVD Po

7、rtable For the best performance of your DVD Portable. Check for latest software upgrades available. 1. Download the latest software from the Philips support site 2. Unzip the files and then burn it into a CD-ROM to make a disc for upgrade 3. Power on the Portable DVD Player with AC/DC adaptor 4. Pl

8、ay CD-ROM for firmware upgrade Warning: Do not unplug the AC adaptor during firmware upgrade to prevent flash corrupt of the set! 5. Once upgrade is completed, the player is reset automatically 6. Open the DVD door to remove the disc Procedure to change region code of your portable DVD player 1. Pow

9、er on player and open the DVD door 2. Press SETUP by remote control. 3. In Set Up Menu, select and press OK 4. Press 2, 1, 2, 2, 2, 5, Component TV Radio USB AV-in18TELETEXTActivate TELETEXT.Volume control.SUBTITLESubtitle language selector.AUDIOAudio language selector.2122 A - BTo repeat or loop a

10、sequencein a title.To adjust the screen of 16:9 or 4:3.171656SETUPEnter SETUP menu.9 + CH -Channel control.10 MUTEMuting player volume.OK or play / pause.32/4.0 MECHNICAL INSTRUCTIONSFig.11. Side view as Fig.1Remove base cover adorn discreteness as Fig.1. 2. Remove screws of the base cover as Fig.2.

11、6. Broken connection of DVD driver to remove DVD driver , then soldered short pattern for laser diode as Fig.6.3.Fig.2Remove screws of the base cover as Fig.3Fig.3Fig.44. Open the door and remove screws to remove door & middle cabinet discreteness as Fig.4.5. Rotate the top and remove screws to brea

12、k the top and the base away as Fig.5.Fig.57.Fig.6Remove screws to remove lithium battery as Fig.7.8. Remove screws to remove mian board and powerkey board as Fig.8.Fig.7Fig.8soldered4.0 MECHNICAL INSTRUCTIONSFig.99. Remove speaker grill as Fig.9.10. Remove screws to remove top cover disc-reteness and hinge as Fig.10.Fig.1011. Remove screws and broken connection to remove IF board as Fig.11.12.Fig.11Remove the screw to remove LED backlightboard as Fig.12.13. Remove LCD TFT , function board and speakers as Fig.13.Fig.12Fig.13