Philips-BDP-2980-Service-Manual电路原理图.pdf

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1、BDP2980/12/98/05BDP2982/12Copyright 2012 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwise withou

2、t the prior permission of Philips.Blu-ray Disc PlayerVersion 1.0Version 0.0Published BG AVM Printed in The Netherlands Subject to modification 3141 785 37980TABLE OF CONTENTSChapter Technical Specification, PCBs Location. 1 Safety Instruction 2 Instruction for Use 3 Mechanical and Dismantling Instru

3、ctions. 4 Service Modes, Troubleshooting. 5 Overall Block Diagram, Wiring Diagram. 6 Electrical Diagram 7 Exploded View Diagram 5) The software will updagrde and screen will display as below:Upgrade is ongoing, Please waitPlease do not unplug or switch off the device.6) Restart the set.B) Update sof

4、tware via USB Flash Drive:1) Go to to check if the latest softwareversion is available for this player.2) Download the software onto a USB flash drives root DIR named “UPG_ALL“.3) Insert the power plug and HDMI cable, power on and then insert the USB flash drive to the USB jack.4) In the Home menu,

5、 select -.5) Then press OK6) youll see now searching for new software, please wait. 7) Waiting, the youll see “software for this player has been found .“8) Then select “Start“ and press “OK“9) then youll see “upgrade is ongoing .“, wait until it ends.10) Player will restart automatically or press “R

6、estart now“ to restart, after restarting the upgrade ends.subinfo:xxxxsystem SW:xxxxethernet MAC:xxxxxxxxhttp:/ pls. make sure the software can be match with the loader 2.0 Safety instruction 1. General safety Safety regulations require that during a repair: . Connect the unit to the mains via an is

7、olation 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 Retur

8、n 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

9、 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

10、 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 p

11、ersonnel May remove the cover, or attempt to service this device (due to possible eye injury). Laser device unit Type :Semiconductor laser GaAIAs 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

12、 of procedure other than those specified herein, may result in hazardous radiation exposure. Avoid direct exposure to beam.2-13.0 Instruction for Use You can download this information from the following websites: http:/ http:/ 3-14.0 MECHANICAL AND DISMANTLING INSTRUCTIONS The following guidelines s

13、how how to dismantle the player. Step1: Remove 3 screws around the Top Cover, and then remove the Top Cover 4-1Step3: Remove the 9 screws on board to dismantle the DVD BOARD remove the door from the tray; No display , and buttons do not work NoNoNoYes Yes No display on LED DISPLAY, and buttons do no

14、t work Check every supply voltage on main board is normalRefer to Power supply board partCorrect connection Replace PU4 or LED DISPLAY Yes GoYes NoCheck +5V,+12V,voltage on the power boardDATA,CLK,STB,on the power board1.Check whether bad solder exists on PU4 and pins of LED DISPLAY2.Check whether t

15、he circuitconnected to PK1, PK2 is broken. Fix the power board Trouble shooting chart5-1Check the signals of the PU4s Check the PU4 power supply (PU4.7= +5V and PU4.21= +5V)Remote control does not work GoYes YesRemote control does not work NOReplace the battery for remote controller Check whether th

16、e remote controllers battery is exhausted or not.Check the Power supply board partReplace IR1NO Trouble shooting chart5-2Check the IR1 power supply is OKCheck whether bad solder exits on IR1pinsYesFix the connectionNO YesCant read disc or cant open the disk doorYes Check the connection of the 16PIN

17、cable from PJ1 on the Power Board. Cant read disc or cant open the disk door Check 40pin and 8pin cablefrom main board connection to the loader is normal Check the U409 and the peripheral components near them on the main boardNOGOCheck whether the DVD loader running is normalFix the connectionNOYes Trouble shooting chart5-3