Philips-DVDR-7250-H-Service-Manual电路原理图.pdf

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1、Published by KC-TE 0635 AV Systems Printed in the Netherlands Subject to modication EN 3139 785 31801DVDR7250H/05/31/58HDD & DVD RecorderService InstructionCLASS 1LASER PRODUCTContents Page1 Technical Specications and Connection Facilities 22 Test Disc & Repair Hints 53 Firmware Upgrading & Diagnost

2、ic Software 64 Service Flow chart 75 Directions For Use 12Copyright 2006 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,

3、photocopying, or otherwise without the prior permission of Philips.Version 1.1The 2006 range DVD Recorder products are repaired centrally.Defective sets must be identied, labelled and stored for pick-up.This document gives full instructions for a functional check.Technical information to repair faul

4、ty sets is therefore not provided in this document.To test in-coming sets the following must be performed:1. Verify / Reproduce the customers problem2. Verify that set has latest Firmware (see chapter 3) and upgrade if it is not the latest version.3. Full functional checkDVDR7260H/05/31/58EN 2 3139

5、785 3180x1. Technical Specifi cations and Connection Facilities1. Technical Specifi cations and Connection Facilities1.1 Read / Write SpeedType of Disc (Function) Disc Rotation SpeedRead Speed CD 7X CAV Read Speed DVD 4X CAV Write Speed DVD+R/RW 2.4X ZCAVWrite Speed DVD-R/RW 2X 1.2 General:Mains vol

6、tage : 198V 276V Mains frequency : 47Hz 63HzPower consumption (record) : 9.5V / 1V / 10kVideo - CinchInput voltage : 1Vpp 3dB Input impedance : 75Video - YC (Hosiden)According to IEC 933-5Superimposed DC-level on pin 4 (load 100k)3.5V is detected as 16:9 aspect ratioInput voltage Y : 1Vpp 3dB Input

7、impedance Y : 75Input voltage C : burst 300 mVpp 3dBInput impedance C : 751.4.4 Audio/Video Output rear ConnectorsAudio - CinchOutput voltage : 2.2Vrms max.Output impedance : 10kVideo - CinchOutput voltage : 1Vpp 3dB Output impedance : 75Video - YC (Hosiden)According to IEC 933-5Superimposed DC-leve

8、l on pin 4 (load 100k)3.5V is detected as 16:9 aspect ratioOutput voltage Y : 1Vpp 10/-15%Input impedance : 75Output voltage C : 300 mVpp 1/-4dBInput impedance : 751.5 Video PerformanceAll outputs loaded with 75SNR measurements over full bandwidth without weighting.1.6 Digital Inputs / Outputs 1.6.1

9、 Digital OutputDigital Audio Coaxial / OpticalLCM : according IEC 60958MPEG 1, MPEG 2, AC3 : according IEC 61937DTS : according IEC 61937 + addendum1.6.2 HDMI OutputType A connector (19 pins)1.6.3 Digital Video Input (IEEE 1394)Implementation Standard according:IEEE Std 1394-1995 IEC61883 - Part 1IE

10、C61883 - Part 2 SD-DVCR (02-01-1997)Specifi cation of consumer use digital VCRs using 6.3mm magnetic tape dec.1994Mechanical connection according to Annex of IEC 61883-1EN 4 3139 785 3180x1. Technical Specifi cations and Connection Facilities1.6.4 G-Link (for IR-remote transmitting device)Output vol

11、tage : 5 0.5V (high level)0.4 0.3V (low level)Output impedance : 1501.6.5 SCART (RGB)SNR : -65dB on all outputBandwidth : 4.8MHz 2dB1.7 Audio Performance CD1.7.1 Cinch Output RearOutput voltage 2 channel mode : 2Vrms 2dBChannel unbalance (1kHz) : 100dBCrosstalk 16Hz-20kHz : 87dBFrequency response 20

12、Hz-20kHz : 0.5dB maxSignal to noise ratio : 85dBDynamic range 1kHz : 83dBDistortion and noise 1kHz : 83dBDistortion and noise 16Hz-20kHz : 75dBIntermodulation distortion : 70dBMute : 95dB1.7.2 Scart AudioOutput voltage 2 channel mode : 1.6Vrms 2dBChannel unbalance (1kHz) : 85dBCrosstalk 16Hz-20kHz :

13、 70dBFrequency response 20Hz-20kHz : 0.5dB maxSignal to noise ratio : 80dBDynamic range 1kHz : 75dBDistortion and noise 1kHz : 75dBDistortion and noise 16Hz-20kHz : 50dBIntermodulation distortion : 70dBMute : 80dB1.8 Digital Output1.8.1 CoaxialCDDA / LPCM (incl MPEG1) : according IEC958,IEC60958-1,-

14、3MPEG2, AC3 audio : according IEC1937, IEC61937DTS : according IEC1937, IEC 61937 amendment 11.9 Dimensions and WeightHeight of feet : 5.5mmApparatus tray closed : WxDxH: 435 x 350 x 89mmApparatus tray open : WxDxH: 435 x 487 x 89mmWeight without packaging : app.5.0kg 0.5kgWeight with packaging : ap

15、p.8kg1.10 Laser Output Power & Wavelength1.10.1 DVDOutput power during reading : 0.8mW Output power during writing : 20mW Wavelength : 650nm1.10.2 CDOutput power : 0.3mWWavelength : 780nm1.11 PlayabilityDVDR7250H DVDR7260HVideo Playback1. Disc Media:CD-R/CD-RW, DVD+R DL, DVD+R/+RW, DVD-R/-RW, DVD-Vi

16、deo, Video CD/SVCDxx2. Compression Format:MPEG1, MPEG2xxAudio Playback1. Disc Media:Audio CD, CD-R/RWxx2. Compression Format:Dolby Digital, MP3, MPEG2 Multi-channel, PCMxxStill Picture Playback1. Disc Media:CD-R/RWx2. Picture Compression Format:JPEGxEN 53139 785 3180xTest Disc & Repair Hints 2.2.1 T

17、est Disc1) 7104 099 96611 CD-RW printed Audio Disc2) 9965 000 25728 DVD Player Test Pack3) - Blank DVD+RW4) - Blank DVD-RW2.2 Open the DVD Tray manuallyNote: This procedure needs to be performed on condition that:- a customers Disc is jammed in the DVD Tray- the DVD Tray cannot be open via the norma

18、l open/close button on the set.1) Place the set on the table with the bottom faced upwards as shown below.2) Insert a screw driver into the slot and open the DVD Tray by sliding the screw driver in the direction shown.Figure 2-12. Test Disc & Repair Hints12EN 6 3139 785 3180x Firmware Upgrading & Di

19、agnostic Software3.3. Firmware Upgrading & Diagnostic Software3.1 Firmware UpgradingA. Preparation to upgrade fi rmware:1. Unzip the zip-archive fi le2. Start the CD Burning software and create a new CD project (data disc) with the following settings:File system : JolietFormat : MODE 2: CDROM XAReco

20、rding mode : SINGLE SESSION (TRACK-AT-ONCE), FINALIZED CDNote: Long fi le name is necessary for the preparation of the upgrade disc3. Place the content of the zip-archive into the root directory of the new CD project.4. Burn the data onto a blank CDR or CD-RWB. Procedure to apply the fi rmware upgra

21、de:1. Hold the + buttons down and Power up the set.2. The tray opens and set will display:FORCE DL . INSERT DISC3. Insert the prepared Upgrade CDROM and close the tray.4. The set will display:INIT DSC . SYS VER READ FILES . DOWNLOAD BEThe whole process takes less than 15 minutesNote: Do not press an

22、y buttons or interrupt the mains supply during the upgrading process, otherwise the set may becomes defective.5. When the upgrade is completed the tray will open automatically and the set will display:REMOVE DISC6. Close the tray and the set will display:DONE 7 The set will go into Standby mode.C. H

23、ow to read out the fi rmware version to confi rm set has been upgraded:1. Power up the set.2. Press button on the Remote control and select Setup option3. Press button to select System4. The set will prompt you about clearing the Time Shift Buffer5. Select Yes and press button6. Press button several

24、 times to select Version info7. Press button8. The TV connected to the set will display:(C) PHILIPS 2006 VERSION INFORMATION:DIF05_8/7028 AN SV11226BE 43.3.7.9 ASP 1,18,1,10FPDTTM HW:01020102 DTTMSW:00040206SIT7250H-FF5F-S28_F60420060203-1650 pro sxcplusintEPG:3.06 DPMS:P_DPM9. Press button to exitE

25、N 73139 785 3180xService Flow Chart 4.4. Service Flow Chart4.1 Start ProcessStartA(VerificationTest)Is it a Hardwareproblem ?Upgrade to latest FirmwareIs it a knowncomplaint ?Is Firmware solutionavailable ?YesNoYesNo YesNoIs the complaintsolved ?Return set to Customer with Report on action doneYesNo

26、Is the complaintdocumented ?YesNoService W/S to contact the Trade / Customer to work out an action plan.Examples:- explain them that the Firmwaresolution is not ready- Upgrade disc will be send to them themoment a solution is ready- etc.Does the set pass the Dealer Test ?PassFailPerform built-in Dea

27、ler Test(Press & hold Play button on Front Panel down + Power-up the set)Send refurbished set from pool stock to Trade / customer- Attached Defect Description Reportand Proof of Purchase.- Pack defective set- Store defective set for pick-upEN 8 3139 785 3180x Service Flow Chart4.4.2 Verifi cation Pr

28、ocess* If complaint is related to System Menu settingConnect up the Recorder to TV antenna, TV set and an External sourceCheck the Firmware version on the setCan the set Start-up ?YesNoA(VerificationTest)BRecordingCheckCPlaybackCheckD *System MenuSend refurbished set from pool stock to Trade / custo

29、merReturn set to Customer with Report on action done- Attached Defect Description Report andProof of Purchase.- Pack defective set- Store defective set for pick-upNoYesIs Firmware the last released version ?Upgrade to latest FirmwareAre the checks result ok ?YesNoEN 93139 785 3180xService Flow Chart

30、 4.4.3 Recording ProcessManual Recording during TSVB HDD: Manual RecordingCopy to DVD Recordable disc Timer RecordingDoes Timer recordingfunctions ?YesNoDoes manual recordingNofunctions ?YesBRecordingCheckMake a Timer recording with:- VPS/PDC on and off- Guide Plus+ System- Show View System- manual

31、selectionPlayback the recorded title from HDD browserAre Timer edit & delete feature working ?YesNoMake a manual recording to the HDD using different recording source:- Cam (DV-in)- Cam 1 (Front CVBS/S-Video)- Tuner- Rear Ext 1/2 (external CableBox/Satellite Receiver/VCR/DVD)From the HDD browser sel

32、ect the recorded title and check the following:- edit title feature- play the titleDoes theTSB feature works ?1) Switch the Recorder to Tuner source- The active Tuner channel will berecorded into the TSB (time shiftbuffer), a temporary HDD storagearea.2) By pressing the “INFO“ button theTime Shift v

33、ideo bar (TSVB) appearson the screen, check the followingfeatures:- search forward / backward- instant replay, pause, etc. on thelive TV function1) Make a short recording (stop 1 minute)by during Time Shift video bar display.2) Playback the recorded title from theHDD browserDoes the recordingfunctio

34、ns ?ContinueContinueYesNoYesNoSend refurbished set from pool stock to Trade / customer- Attached Defect Description Report andProof of Purchase.- Pack defective set- Store defective set for pick-up1) Insert a DVD+RW disc2) In the HDD browser select the recordedtitle for copy to recordable DVD3) From

35、 the Disc Menu select the copiedtitle and check the following:- edit features- play the title4) Repeat with DVD-RWDoes copy function ?YesNoIs the Disc Library feature working ?YesNoEN 10 3139 785 3180x Service Flow Chart4.4.4 Playback ProcessHDD playback Check Disc playback CheckYesNoCPlaybackCheckP

36、laying other type of disc:1) Use discs of DVD PLAYER TEST PACK for:- (Super) Video CD- MP3 disc- Picture disc (slide show)- special DVD playback check by layer change test uDVD disc of this package2) For AUDIO CD use of CD-RW printed Audio Disc to check:- Track 3 finger print- Track 8: 600u black do

37、t (max. after 1 min.)singFrom the DVD Menu or DVD Browser go through the Content, Title & Toolbar options.Play a DVD video disc title and check the following:- Pause, Search Fwd/Rev & Next /Previous chapter- Edit features- T/C searchYesNoDoes the set work ?From the HDD browser check the following fe

38、atures:- Sorting- Titles: Delete, Copy & Protect- Play / Edit featuresDoes the set work ?ContinueContinueYesNoSend refurbished set from pool stock to Trade / customer- Attached Defect Description Report andProof of Purchase.- Pack defective set- Store defective set for pick-upDoes the set work ?Play a title from the HDD browser and check the following features:- Pause, Search Fwd/Rev & Next /Previous chapter- Editing features- YesNoDoes the set work ?