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PDF ( 数据手册 , 数据表 ) DVP3893

零件编号 DVP3893
描述 DVD Player Service Manual
制造商 Philips
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DVP3893 数据手册, 描述, 功能
DVD Player
DVP3800/55/93/96/98/79
Service
Service Manual
TABLE OF CONTENTS
Page
. Technical Specifications…………....………………………..............1-2
. Safety Instruction, Warning & Notes….……………………....….....1-3
. PCB Location,Version variations..............................................1-10
. Mechanical and Dismantling Instructions…………........................2
. Software Upgrades .............................................................3
. Trouble Shooting Chart………………………………………………. 4
. Wiring Diagram………………………………………..………..….….5
. Electrical Diagrams and Print-layouts........................................................6
. Set Mechanical Exploded view ........................................................6
. Revision List.................................................................................. 7
© Copyright 2011 Philips Consumer Electronics B.V. Eindhoven, The Netherlands
All rights reserved. No part of this publication 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.
Published by WL - 1108 BU AVM Printed in The Netherlands Subject to modification
Version 1.2
CLASS 1
LASER PRODUCT
GB 3142 785 35862
PHILIPS







DVP3893 pdf, 数据表
1-8
Safety instruction, Warning & Notes
Safety instruction
1. General safety
Safety regulations require that during a repair:
. Connect the unit to the mains via an isolation transformer.
. Replace safety components indicated by the symbol ,
only by components identical to the original ones. Any
other component substitution (other than original type)
may increase risk of fire or electrical shock hazard.
Safety regulations require that after a repair, you must
return the unit in its original condition. Pay, in particular,
attention to the following points:
. Route the wires/cables correctly, and fix them with the
mounted cable clamps.
. Check the insulation of the mains lead for external
damage.
. Check the electrical DC resistance between the mains
plug and the secondary side:
1) Unplug the mains cord, and connect a wire between
the two pins of the mains plug.
2) Set the mains switch the “on” position (keep the
mains cord unplug).
3) Measure the resistance value between the mains
plug and the front panel, controls, and chassis
bottom.
4) Repair or correct unit when the resistance
measurement is less than 1M .
5) Verify this, before you return the unit to the
customer/user (ref. UL-standard no. 1492).
6) Switch the unit “off”, and remove the wire between
the two pins of the mains plug.
2.Laser safety
This unit employs a laser. Only qualified service personnel
may remove the cover, or attempt to service this device
(due to possible eye injury).
Laser device unit
Type
: Semiconductor laser GaAlAs
Wavelength
: 650nm (DVD)
: 780nm (VCD/CD)
Output power : 7mW (DVD)
: 10mW (DVD /CD)
Beam divergence: 60 degree
Note: Use of controls or adjustments or performance of
procedure other than those specified herein, may result in
hazardous radiation exposure. Avoid direct exposure to
beam.







DVP3893 equivalent, schematic
3-1
Software upgrade
Preparation to upgrade software
1) Start the CD Burning software and create a new CD
project (Data Disc) with the following setting:
Label: DVP3XXX (No need the label name)
File Name: DVPXXXX_XX.BIN
Power on the set and open the tray, then press <option>
to check the File Name.
Note: It is required capital letter for the File System
name.
2) Burn the data onto a blank CDR
A. Procedure for software upgrade:
1) Power on the set and insert the prepared Upgrade
CDR.
2) The set will starts reading disc & response with the
following display TV screen:
Upgrade File DETECTED
Upgrade?
Press Play TO START.
3) Press <OK> button to confirm, then screen will display :
Files coping…
UPGRADING…
4) The upgraded tray will automatically open when files
coping complete, then take out the disc.
5) About 1 minute later, the trace will automatically close
when upgrading complete.
B. Read out the software versions to confirm upgrading
1) Power on the set and press <Setup> button on the
remote control.
2) Press <Next><Next><Prev><Prev> 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.XX.XX (software version of servo)
RIS XX.XX.XX.XX
DSP XX.XX.XX.XX
Region Code X
Caution: The set must not be power off during
upgrading, Otherwise the Main board will be
damaged entirely.










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