Philips-DVP-520-Service-Manual电路原理图.pdf

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1、. Technical Specifications.1-2 . Safety Instructions, Warnings, Notes.1-3 . Mechanical and Dismantling Instructions.2-1 . Software Version& Upgrades.3-1. Trouble Shooting Chart.4-1 . Block and Wiring Diagram.5-1 . Electrical Diagrams and Print-layouts Front Board.6-1 Power Board.7-1 Main Board.8-1 .

2、 Set Mechanical Exploded view& Parts List.9-1 . Revision List.10-1 DVD Player DVP520/00/02/05 Service TABLE OF CONTENTS Page 3139 785 30530 Version 1.0Service Manual PHILIPS GB Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All rights reserved. No part of this publicatio

3、n may be reproduced, stored in aretrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise without the prior permission of Philips. CLASS 1 LASER PRODUCT Published by TCL-KC 0412 Service Audio Printed in The Netherlands Subject to modification C

4、Technical Specifications TV standard (PAL/50Hz) (NTSC/60Hz) Number of lines 625 525 Playback Multi standard (PAL/NTSC) Video performance Video output 1Vpp into 75ohm S-video output Y: 1Vpp into 75ohm C: 0.3Vpp into 75ohm RGB(SCART) output Y: 0.7Vpp into 75ohm Audio format Digital MPEG Compressed Dig

5、ital Dolby Digital 16, 20, 24bits PCM fs, 44.1, 48, 96kHz MP3(ISO 9660) 96,112,128,256kbps & variable bit rate fs,32, 44.1,48 kHz Analogue Sound Stereo Dolby surround-compatible downmix from Dolby Digital multi-channel sound Audio performance DA converter 24bits DVD fs 96kHz 4Hz-44kHz fs 48kHz 4Hz-2

6、2kHz SVCD fs 48kHz 4Hz-22kHz fs 44.1kHz 4Hz-20kHz CD/VCD fs 44.1kHz 4Hz-20kHz Signal-Noise (1kHz) 90dB Dynamic Range (1kHz) 80dB Cross talk (1kHz) 80dB Distortion/Noise (1kHz) 80dB MPEG MP3 MPEG Audio L3 Audio L+R output: 1.02.0 Vpp into 10K ohm Connections Scart Output Euroconnector S-video output

7、Mini DIN, 4pins Video output Cinch( yellow) Audio L+R output Cinch (white/red) Digital output 1 coaxial IEC60958 for CDDA/LPCM IEC61937 for MPEG1/2, Dobly Digital Cabinet Dimensions (w X h X d) 360 X 43 X 285mm Weight Approximately 2.0 kg Power consumption Power supply 230V for/00/02/05 Power consum

8、ption button to confirm, then screen will display : Files coping UPGRADING 3) The upgraded disc will automatically out when files coping complete, then take out the disc. 4) About 1 minute later, the trace will automatically close when upgrading complete. C. Read out the software versions to confirm

9、 upgrading 1) Power up the set and press button on the remote control. 2) Press button. The software version and other information are display on the TV screen as follows: Version XX.XX.XX.XX (Main version) SUB-VER XX.XX.XX.XX ( software version of application software) 8032 XX.XX.XX.XX Servo XX.XX.

10、XX.XX (software version of Servo) RISC XX.XX.XX.XX DSP XX.XX.XX.XX Region Code X 3-1 Caution: The set must not be power off duringupgrading, in that case the decoder board willbe damaged entirely. 4-1 Spindle motor does not rotate Yes Yes No No No No Yes Check whether “AVCC”(+5V) voltage is normal.

11、Fix connection Check the AVCC powersupply Check/Replace Q5 Q6. Check/ Replace U1. Check whether thepich-up doesnt focus1.Check there is signal from pin 12and pin 13 of U3 to pin 1 and pin 26of U2, 2.Check whether there are F+, F-,T+ and T- signals from U2. Check/Replace the loader Yes Yes No Go Chec

12、k whether laser voltage(2V for VCD & 2.2V for DVD)on Collector of Q5 and Q6 Check the FFC connectionbetween 24P and the loader. 1.Whether voltage on pin 52 of U1varies between 0 and 3.3V (3.3V forVCD and 0V for DVD), 2.Whether peripheral componentsare eroded or badly soldered. Trouble shooting chart Motor does not rotate