Philips-DVD-520-H-Service-Manual(1) 电路图 维修手册.pdf

Service Manual Service ServiceService ServiceService DVDR520H/00/02/04/05/37/69/75/93/97 Copyright 2004 Philips Consumer Electronics B.V. Eindhoven, The Netherlands All 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 without the prior permission of Philips. Published by LO-MF AV SystemPrinted in The NetherlandsSubject to modification GB3139 785 30853 HDD / DVD Recorder Combi Version 1.3 RadioFans.CN 收音机爱 好者资料库 CONTENTS 1.Specifications.1-1 2.Product Validation Strategies and Process 2.1 System Block Diagram .2-1 2.3 Front Panel .2-2 2.4 Rear Panel.2-2 3.Fault Finding Tree one with Power on and one after Power on, when the DVD starts up. 1.2 If the unit takes a long time to complete the power-on process, check IDE cable (or 4 IDE connector: connecting between Loader if still not work, ? Replace/change another new DVD writer ( Loader ) if still not work,. ? Replace/change another new HDD; 3-9 2 No Display On LED Module 2.1 Put a paper in between the M/B and the barebone, for preventing the M/B shortcut with ground and Re-test again. 2.2 To check the connector between main board and power module had been assembled / connected properly. (Fan on rear panel should rotate continuously) if there Is no power supplying to main board ( Yellow: +12V Red: +5V measured with universal voltage meter ), replace / change another new Power Module. 2.3 Check the FFC (18 pin) cable between main board and display board had been assembled connected well. 2.4 Short the JP8 (on the main board) with jumper, and then, plug with power cord to check if the text on the LED module had been lighted on. (Test mode of Display Board had been activated). In case the answer is negative, replace / change another new Display Board. 2.5 Replace / change another new Main Board. (There should be something wrong with IC component: AT89S52, DMN-8652 .) 3-10 3 Loader (DVD writer) Failure 3.1 Tray cant open 3.1.1 Disassemble the Loader, and press the eject button on the Loader (with power supply connected : 4 pin connector) to check whether the tray can open or not. Re-assembly DVD writer (Loader), pay attention to assembly issue (Plastic layer of Loader stuck to front) and the position of IDE cable (40 pin; flat cable). 3.1.2 Check the FFC (18 pin) cable between main board and display board had been assembled / connected well. 3.2 Not ready ( Loader cant identify / recognize the disc ) 3.2.1 In this case update the loader firmware to latest version. Please select several kind of DVD and CD discs including 8x and 4x DVD+R/RW, and test if loader can both playback and record on the disc. 1. If yes, then this maybe a media compatibilities issue. The firmware update can solve it. 2. If can not playback or record at all, change another new loader. 3. If just cant record on some disc, wait for a new firmware release or change another new loader. 3.3 Copy/Recording failure or Mosaic appeared 1. Check if the recorded disc is dirty or scratch. If yes, try another disc to check again. 2. If no, update loader to latest and check it again. 3. If it still cant work, Replace/change another new loader and check it again. 4. If it still cant work, Replace/change another new Main-board and check it again. 4 Update FirmWare 4.1 Tray cant open 4.1.1 Re-assembly DVD writer (Loader), pay attention to assembly issue ( Plastic layer of Loader stuck to front ) and the position of IDE cable ( 40 pin; flat cable ). 4.1.2 Check the FFC (18 pin) cable between main board and display board had been assembled / connected well. 4.1.3 Disassemble the Loader, and press the eject key on the Loader (with power supply connected : 4 pin connector) to check whether the tray can open or not. If the answer is negative, Replace / change another 3-11 new Loader. 4.1.4 After that, tray still cant open. Replace / change another new Main Board. 4.2 Put in CD 4.2.1 Put the update disc on the tray and pressing open/close key to make the tray close, system would update firmware automatically. This may take a while, wait for the loader to read the firmware update. When “error” on panel replace Mainboard 4.2.2 In case the tray still eject in a few seconds later, Replace/change another new Main Board. 4.3 especially case (Firmware updating fail ) 4.3.1 Open the tray and put in the firmware disc, tray in and wait the disc ready after A-up (AP upgrade) ,start to upgrade the loader, if finished it will show “done” in LCD panel. 4.3.2 In case d-up (loader upgrade) to 99% then show “error “, 1. Please wait tray-out and remove the update disc ( please note dont turn off the power immediately , please wait about 70 seconds) . 2. Press the power key to power off , then restart the power on again .The set will show put in CD then put in update disc and update again. 3. If still fail , change the loader. 5 TV (Tuner Function) Failure 5.1 Make sure that the Tuner Board had been assembled on Main Board at the right (pin) position and that it is clicked in. Also check the capacitor 470uF on the Tuner Board must be shorted and is still intact .Look if the pins of the tuner are still straight and are placed in the right place 5.2 If the answer of former step is positive and all is assembled correctly, Replace another new Tuner Board. 5.3 In case the tuner (TV) function still had not worked, Replace/change another new Main Board. 470uF 3-12 6 Erasing ( HDD ) Failure 6.1 First confirm that it is a HDD Failure by using the Timer ( If it recognizes the HDD ) and Erase Function ( Format the HDD ). See Picture below 6.2 Check if the voltage of connector which connected to HDD is correct or not.( Yellow: +12V Red: +5V).If no, change the power module. See picture below. 6.3 If failed, check IDE cable/connector (40 pin) of HDD device whether assembly / connecting properly or not. 6.4 If not, connect it well and try again 6.5 If yes, remove the HDD from the set and connect it to a PC to check if the PC can recognize it or not. (Seagate screen test)! 6.6 If the PC can recognize it ,the format it on the PC and put it back to the set, then excute erase function again. 6.7 If not, replace / change another new HDD. 6.8 If still Failed try replacing the Main Board. 3-13 7 DV Test Failures: 7.1 To check JP1 (5 pin) connector on Main Board had been assembled / connected properly. 7.2 To check the place/position of Display Board where the 5 pin connector had been shorted or not, if the answer is yes, Replace/change another Display Board. 7.3 Otherwise, Replace/change another new Main Board. 8 Output picture abnormal 8.1 Black screen (LED display CH2) 8.1.1 Make sure that the Tuner Board had been assembled on Main Board at the right (pin) position and to check if the capacitor on the Tuner Board is open or shorted. 8.1.2 If yes , replace another new Tuner Board. 8.1.3 Otherwise, Replace/change another new Main Board. 8.2 No picture output ( while Playback ) 8.2.1 In case no scart out, please make sure the RCA out is ok or not. 1.If yes and picture abnormal, update firmware to latest and check it again via scart 2.Otherwise , replace another new Main Board. 8.3 No picture output ( while from AV1 input ) 8.3.1 To check the connector between main board and display board had been assembled / connected properly 8.3.2 source from AV1(front) : exchange new front panel to make sure workable or not 8.3.3 if still failed, replace another new Main Board 4-1 4. Disassembly introductions 4.1Disassemble the TOP-COVER: Step 1: Loosening the fixed screws of the TOP-COVER totally 6 screws, 4 on the rear panel and 1 on the left side and the other on the right side of the TOP-COVER, (as PICTURE 1 & 2 & 3) (PICTURE 1) (PICTURE 2) (PICTURE 3) Step 2: Pull back to remove the TOP-COVER and let the cover-top lie on horizontally smooth desk to prevent being out-of-shape place upside down (as PICTURE 4) (PICTURE 4) 4-2 4.2 Disassemble the Drive: (PICTURE 5) (PICTURE 6) (PICTURE 7 ) (PICTURE 8) Step 1: Tray out ? pull out the door and lift up to disassemble the tray door (as PICTURE 6) Step 2: Tray in ? Power off ? unplug the power cord Step 3: Disassembly the top cover Step 4: Unplug the power cord and IDE cable (as PICTURE 5) Step 5: Remove the four fixed screws of the drive (screw 14 as PICTURE 7 &8) Step 6: Remove the Drive PS: If the tray is jammed cant be out on step 1, please unplug the power cord first ,then follow the step 3-5 ,and then lift up the drive on the rear side to separate Power cord 1 2 3 4 SCREWS SCREWS IDE cable the tray door and tray. 4-3 4.3 Disassemble HDD: (PICTURE 9) (PICTURE 10) (PICTURE 11) (PICTURE 12) Step 1: Disassembly the top cover Step 2: Unplug the power cord and IDE cable (as PICTURE 9) Step 3: Loosen the screws off the chassis (14 in PICTURE 10 & 11) Step 4: Take out the HDD (as PICTURE 12) 2 1 3 4 IDE cable SCREWS Power cord 4-4 4.4 Disassemble the M/B: (PICTURE 13) (PICTURE 14) (PICTURE 15) (PICTURE 16 ) (PICTURE 17) (PICTURE 18) (PICTURE 19) Step 1: Unplug the power cord and IDE cable of the HDD module (as PICTURE 13) Step 2: Remove the HDD module from the M/B first, unfix the 4 screws of the HDD module (as PICTURE14, 15, 16) Step 3: Unfixed the screw of the M/B and remove all the cable (7 cables) connected to M/B (as PICTURE 17 & 19) Step 4: Loosen the 5 screws off the rear panel (as PICTURE 18) Note: Tuner can be removed and reused if isnt broken when M/B is disassembled SCREWS 1 2 3 4 Power cord IDE cable 1 SCREWS 1 2 3 45 1 2 4-5 4.5 Disassemble the Power Module (PICTURE 20) Step 1: Disconnect all the cables connected to other module (total 4 cables as red circle in PICTURE 20) Step 2: Loosen the screws off the chassis (15 in PICTURE 20) Step 3: Take out the power module 1 5 2 34 4-6 4.6 Disassemble Tuner board (picture 21) (picture 22) (picture 24 ) (picture 23) Step 1: Unplug the power cord before replace the Tuner board Step 2: Loosen the screws off the chassis (2in PICTURE 21) Step 3: Take out the tuner board follow the disassemble direction as picture 22.23.24. Note : When assemble Tuner Board please follow the sequence from picture 24 21 SCREW 4-7 4.7 JUMPER Settings HDD ODD JUMPER JUMPER 5-1 5. Firmware Update 1. Burn the firmware on a single-session ISO disc. 2. Power on the system. 3. After system is ready, load the firmware update disc. 4. System will start detect the firmware image and if the image is detected, LED will show F-UP xxxx, where xxxx is the build number. 5-2 5. If system detects the image file, a confirm dialog will display on the screen. Follow the instruction to complete the update process. 6. If system firmware is updated without error, LED will show done. Else error will show. 7. Reboot the system. 6-1 6. Exploded View & Spare List 6-2 DVD Test Discs 7104 099 91851LVP12.01 7104 099 96851CD-RW LOW REFLECTION AUDIO DISC 7104 099 94261RICOH +R (4 SPEED) BLANK DISC SERVICE SPARE PARTS 29965 000 27118DVDR MECHANISM MODULEexcept /93 29965 000 32519DVDR MECHANISM MODULE/93 5+6+79965 000 27119FRONT PANEL + PCBA ASSY/00/02/04 5+6+79965 000 29124FRONT PANEL + PCBA ASSY/05 5+6+79965 000 29131FRONT PANEL + PCBA ASSY/37 5+6+79965 000 29051FRONT PANEL + PCBA ASSY/69/75 5+6+79965 000 29055FRONT PANEL + PCBA ASSY/97 5+6+79965 000 32520FRONT PANEL + PCBA ASSY/93 109965 000 27108MAIN BOARD W/O TUNER/00/02/05 109965 000 29047MAIN BOARD W/O TUNER/04 109965 000 29052MAIN BOARD W/O TUNER/69 109965 000 29053MAIN BOARD W/O TUNER/75 109965 000 29126MAIN BOARD W/TUNER/37 109965 000 29056MAIN BOARD W/TUNER/97 109965 000 32521MAIN BOARD W/TUNER/93 119965 000 27109FAN 149965 000 26095HD DRIVE HDD_80G_5400 159965 000 29048POWER BOARD/00/02/04/05/69/75 159965 000 29130POWER BOARD/37 159965 000 29057POWER BOARD/97 159965 000 32522POWER BOARD/93 169965 000 27117TUNER UNIT PAL/00/02/04/05 except France & Germany 169965 000 29317TUNER UNIT PAL/00 France & Germany 169965 000 29050TUNER UNIT PAL/69/75 169965 000 32518TUNER UNIT PAL/93 RC9965 000 27120REMOTE CONTROL UNIT/00/02/04 RC9965 000 29125REMOTE CONTROL UNIT/05 RC9965 000 29132REMOTE CONTROL UNIT/37 RC9965 000 29049REMOTE CONTROL UNIT/69/75 RC9965 000 29054REMOTE CONTROL UNIT/93/97 9965 000 29318RCA CABLE/69/97 Note:Only the parts mentioned in this list are normal service spare parts. 6-3 REVISION LIST Version 1.0 * Original Release Version 1.1 * Correction of page 21 - Missing diassembly instruction 7.1 Version 1.2 * Addition of new stroke versions /04, /69, /75 and /97 * Removal of unnecessary pages like Introduction, Supplier Test tools * Shifting of exploded view to the end of Manual * Correction & updating of Service parts list Version 1.3 * Addition of new stroke version /93 7-1