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

Service Manual Service ServiceService ServiceService DVDR520H/00/02/05/37 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 30851 HDD / DVD Recorder Combi Version 1.1 RadioFans.CN 收音机爱 好者资料库 HDD/DVD Recorder Combi 2 CONTENTS 1. Specification . . 1-1 2. Exploded View Drawing. 2-1 3. Introduction . 3-1 4. Product Validation Strategies and Process 4.1 System Block Diagram. 4-1 4.2 Main Board . 4-2 4.3 Front Panel 4-2 4.4 Power PCB . 4-2 4.5 Power Module . 4-2 5. Test Tool Instruction .5-1 6. Fault Finding Tree. 6-1 7. Disassembly Instruction 7.1 Disassemble the Top-Cover. . 7-1 7.2 Disassemble the Drive. 7-2 7.3 Disassemble HDD . 7-3 7.4 Disassemble the M/B . 7-4 7.5 Disassemble Power module. 7-5 7.6 Jump of HDD Mono scope or Dot pattern has no tilt or twisted effect; The RGB picture as below has normally good effect to the naked eyes. If anything undeterminable, please refer to the following factors to evaluate: Video Performance (The test appliance is Tektronix VM 700/s-video VM500/Component): DA Converter 10-bit/54 MHZ Composite Output 1Vpp &5 Ohm S-video Output Y: 1Vpp 75Ohm C: 0.3Vpp 75 Ohm Component Output Y: 1Vpp 75Ohm Pb: 0.7 Vpp 75 Ohm Pr: 0.7 Vpp 75 Ohm 2). Speaker & Sound Signal Test is to test its output audio fineness and locating efficiency of the speaker. Note of Step: Select no.2 - Speaker & Sound Signal Test in the login. The test will check the locating efficiency and audio signal as well as special frequency. ? Test Criteria: The standard audio output is clear without popping and the signal output from Hi-Fi is normal. If anything undeterminable, please refer to the following factors to evaluate: Audio Performance (The test appliance is Audio position SWR-2122U) HDD/DVD Recorder Combi 11 DA converter 24 bit /192KHZ AD converter 24-bit Signal-Noise (1kHZ) 90dB Dynamic range(1kHZ) 80dB Cannel Separation(1kHZ) 80dB Total Harmonic Distortion(1kHZ) -65dB 3). Music Demo test is to check the video output signal good without noise. 4). Video Demo test is to check the normal function of subtitle, language, angle and so on. Login in the main test menu for no.4 Video Demo and press the key of “Navi” on remote to choose “Subtitle” “Audio” and “Angle” to check the normal function. Navi button HDD/DVD Recorder Combi 12 5). Karaoke Demo Test: 5.3 Items of the DVD disc in common use when rma 5.3.1 Necessary Repairing tools in need to test the following 3 items: A. Video output B. Audio output C. AV output (film) 5.3.2 Note of step: STEP1: A. Insert the DVD VIDEO 5-1 / 5-2P disc and it will auto playback B.Press the key of “Top Menu” on remote to login the menu C.Select the item 1Video Signal Test and press “Enter” to start the test on any color difference in Color bar and the standard fineness of the R, then press HDD/DVD Recorder Combi 13 “Top Menu” back to test menu STEP2: A.Select item 2Speaker & Sound Signal Test and press “Enter” for the item 1-Speaker & Sound Signal Test, then press “Enter” for “2.0CH” and the “1KHZ Audio Test”, to test the R/L- Cs output is normally good or not. And then press “Top Menu” back to menu B.In the menu to choose item 4-Video Demo and press “Enter” to start the test, to check the normally good video and audio output , then press “Top Menu” back to test menu. STEP3: Take out the test disc and the test is over. HDD/DVD Recorder Combi 14 6. Fault Finding Tree Before repair please make good connection with all input and output device Front panel display? Y N Power cord plug? N Plug the power cord Display Normal? N Replace front display board Y Press “EJECT”buttom to verify if the player boot up and also tray come out ? N Replace drive Y Open top cover and use “multimeter” to verify if the power module output both 5V&12V Y Replace front display board Y Put a movie disc and press the “play” to verify if AV output corret? Replace M/B N Y N Replace power module Use the “Erase” function of the “disc tool “ to verify if the HDD work normal? Y N Replace HDD NPF HDD/DVD Recorder Combi 15 Recording Press Record button to start recording Select Target to HDD/DVD OK Y N Select Source view and display OK N Show “Protected Content” N Show “Wrong Signal Type” AV Sources video is black&white or shift Check if TV system of input device is different Source DVD is not allowed to reproduce Y Recording disc was formatted when use different TV setting Y N Show “Write Fail”Bad write quality on this disc Y N Select DV but no video Gray screen-check connection Black screen-check TV system of the DV or DV tape N Select AV sources but no video/audio Check connection Y Y Y HDD/DVD Recorder Combi 16 DVD Playback Auto-play DVD VCD SVCD and Media Disc Load supported disc DVD+- R/RW, CD-R Y Select Target DVD, eject Not supported format Show “Preparing” then start pre- format for recording Blank disc Invalid disc or Data disc N N Y Y Y HDD/DVD Recorder Combi 17 Reference of defect symptoms for repair After power cord plug in ,LED no display , but AV output normal after power on - replace display board After power on , the color of the screen isnt correct - replace M/B After power on , the fan doesnt work - replace power module / Fan Cant eject or show “No Disc” - replace drive Cant auto format any brand new disc - replace drive Recording will auto stop or hang - replace M/B & drive Playback will have mosaic - replace M/B Cant format HDD - replace HDD Cant record with HDD - replace HDD No Audio or audio output abnormal - replace M/B Optical / Coaxial no output when the setting is set as DTS output - replace M/B Cant update F/W through drive - replace drive Cant detect DV when plug in/out with a DV - replace display board AV1 input mode doesnt output video / audio when connected to a normal external AV source - replace display board AV2 ( Scart) / S-Video input mode doesnt output video / audio when connected to a normal external AV source - replace M/B HDD/DVD Recorder Combi 18 Module Fail / Problem Remedy / Symptom ? Run Disc Tool/Format/HDD show Fail, this could be a bad HDD ? Run Disc Tool/Defragment show Fail, this could be a bad HDD HDD ? Format no problem but show Write Fail during recording , this could be a bad HDD ? Load any disc always show No disc, this could be a bad DVD drive ? Load some kind of discs always show No disc. For example load DVD no problem, but load CD-R show No disc, this could be a bad DVD drive DVD Drive ? Cannot open tray. User can try to power off the recorder, and then press Eject to boot again. If still can not open, this could be a bad DVD drive. If tray open successfully and there is a disc inside, its the disc cause drive busy. Try another disc, if user can tray in/out no problem, the drive should be ok. ? Run Disc Tool/Format/DVD show Fail. This could be a bad disc or not compatible with our DVD drive. ? Format no problem but show Write Fail then stop during recording. Press Record again may be user can continue record, but part of the audio/video on this disc may not smooth. This could be a bad disc or not compatible with our DVD drive. DVD/CD disc ? Take long time to load disc then show “Invalid Disc. The disc could be a bad disc or unsupported format ? Connect power cord, but LED display show nothing, Press remote or button on the panel still nothing happened. This could be a power board problem Power ? Replace power cord if find any available. We use a common power cord user may able to find the same one on his other electronic products ? Press buttons on remote but nothing happened, system can still power on by buttons on panel. OSD doesnt show system receive any key. This could be a bad remote or ran out of battery. Remote ? Or it could be a bad receiver on the front panel Front Panel ? System can power on and work by remote no problem, but press buttons on panel does not work. This could be a bad front panel HDD/DVD Recorder Combi 19 Module Fail / Problem Remedy / Symptom ? Can not see any display or color abnormal, video distortion. Make sure cables connected correctly. Try another output like S-video, AV, Component, and Scart. Video Output ? Run SETUP to select available video output ? Can not hear any sound output through speakers of TV or amplifier. Make sure cables connected correctly. Try another output like AV, optical, coaxial Audio Output ? Playing DVD movie, when select DTS out on DVD audio menu no audio output. User needs to run SETUP/Audio/DTS to set DTS ON ? Run SETUP, Tuner setting correctly, but after scan TV channel can not select correct TV programs. Run SETUP/ Tuner/TV signal, select Antenna or Cable then run Channel Scan again, dont use Auto. Auto will re-arrange channel table and remove channel numbers not available. TV Tuner ? User selects TV signal/country correctly, after scan still cannot select channel, this could be a bad TV tuner. ? Connect external source like AV, S-video, Scart, DV-link (1394) can not see the video input. Make sure cables connected correctly. If these signals connect to other AV products no problem. This could be a bad connector External source ? For DV, user need to know the DV is NTSC/PAL, and the playing DV tape is NTSC/PAL. They must be the same TV type as the recorder to make it works properly. ? Show Protected Content, its Copy-Protected and not allowed to copy ? Show Wrong Signal Type when record to disc. The disc was formatted by different TV system (NTSC/PAL). For DVDRW, user can reformat this disc (contents on this disc will be erased). For DVDR, user can only change another disc ? Press Record shows key blocked, will not start recording. Maybe user select wrong Target device. Press Target to choose HDD/DVD Can not Real-time Record ? Empty DVD-R/RW, CD-R/RW user needs to format by Disc Tool before recording ? Open Timer record again, there is a message shows why it failed, please move the cursor to column status and it will show the reason it fails Can not Timer Record ? Selected recording Target is unable to record when Timer starting time HDD/DVD Recorder Combi 20 Module Fail / Problem Remedy / Symptom Cannot play a disc ? If its not Invalid disc, could be unsupported format/contents in the disc ? Show Fail when copying files/discs, it could be unsupported format Copying ? Show Fail when copying recorded DVD+VR title, it could be out of disc space ? Follow the firmware update procedure in the chapter”Firmware update”. System Upgrade ? If upgrade failed (power failure during upgrade or ), maybe every time system power on will show Put Cd In. Users most load the upgrade disc again to recover. HDD/DVD Recorder Combi 21 7. Disassembly introduction 7.1 Disassemble 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) HDD/DVD Recorder Combi 22 7.2 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 Power cord 1 2 3 4 SCREWS SCREWS IDE cable HDD/DVD Recorder Combi 23 7.3 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 HDD/DVD Recorder Combi 24 7.4 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 HDD/DVD Recorder Combi 25 7.5 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 HDD/DVD Recorder Combi 26 7.6 JUMP of HDD & ODD HDD ODD JUMP JUMP HDD/DVD Recorder Combi 27 8. 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. If system detects the image file, a confirm dialog will display on the screen. HDD/DVD Recorder Combi 28 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. SERVICE TOOLS 9965 000 26088Test Disc 5-2P for PAL system/00/02/05 9965 000 26216Test Disc 5-1 for NTSC system/37 SERVICE SPARE PARTS 29965 000 26091DVDR MECHANISM MODULE 5+6+79965 000 26092