Philips-DVDR-7250-H-Service-Manual(1) 电路图 维修手册.pdf

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1、Published by KC-TE 0635 AV Systems Printed in the Netherlands Subject to modifi cation EN 3139 785 31801 DVDR7250H/05/31/58HDD Audio performance measured at Rear Cinch Audio Out: - S/N(A-weighted, 22kHz-BW limited) : 88dB - Frequency response 20Hz to 20kHz : 1dB - THD + Noise (at 1kHz) : 85dB - THD

2、+ noise (ratio) for 16Hz to 20kHz - Channel Separation(at 1kHz) : 100dB RadioFans.CN 收音机爱 好者资料库 EN 33139 785 3180 x1. Technical Specifi cations and Connection Facilities 1.4 Analogue Inputs / Outputs 1.4.1 SCART 1(Connected to TV) Pin Signals: 1 Audio-out R 1.8V RMS 2 Audio-out R 3 Audio-out L 1.8V

3、RMS 4 Audio GND 5 Blue / Chroma GND 6 Audio- in L 7 Blue-out 0.7Vpp 0.1V into 75 8 Function switch 2V = TV 4.5V / 9.5V / 12V = asp. Ratio 4:3 DVD 9 Green GND 10 P50 control not use 11 Green out 0.7Vpp 0.1V into 75 12 NC 13 Red / Chroma GND 14 Fast switch GND 15 Red-out / Chroma-out 0.7Vpp 0.1V into

4、75 16 Fast switch RGB / CVBS or Y out 1V / 10k Video - Cinch Input voltage : 1Vpp 3dB Input impedance : 75 Video - YC (Hosiden) According to IEC 933-5 Superimposed DC-level on pin 4 (load 100k) 3.5V is detected as 16:9 aspect ratio Input voltage Y : 1Vpp 3dB Input impedance Y : 75 Input voltage C :

5、burst 300 mVpp 3dB Input impedance C : 75 1.4.4 Audio/Video Output rear Connectors Audio - Cinch Output voltage : 2.2Vrms max. Output impedance : 10k Video - Cinch Output voltage : 1Vpp 3dB Output impedance : 75 Video - YC (Hosiden) According to IEC 933-5 Superimposed DC-level on pin 4 (load 100k) 3

6、.5V is detected as 16:9 aspect ratio Output voltage Y : 1Vpp 10/-15% Input impedance : 75 Output voltage C : 300 mVpp 1/-4dB Input impedance : 75 1.5 Video Performance All outputs loaded with 75 SNR measurements over full bandwidth without weighting. 1.6 Digital Inputs / Outputs 1.6.1 Digital Output

7、 Digital Audio Coaxial / Optical LCM : according IEC 60958 MPEG 1, MPEG 2, AC3 : according IEC 61937 DTS : according IEC 61937 + addendum 1.6.2 HDMI Output Type A connector (19 pins) 1.6.3 Digital Video Input (IEEE 1394) Implementation Standard according: IEEE Std 1394-1995 IEC61883 - Part 1 IEC6188

8、3 - Part 2 SD-DVCR (02-01-1997) Specifi cation of consumer use digital VCRs using 6.3mm magnetic tape dec.1994 Mechanical connection according to Annex of IEC 61883-1 RadioFans.CN 收音机爱 好者资料库 EN 43139 785 3180 x1. Technical Specifi cations and Connection Facilities 1.6.4 G-Link (for IR-remote transmi

9、tting device) Output voltage : 5 0.5V (high level) 0.4 0.3V (low level) Output impedance : 150 1.6.5 SCART (RGB) SNR : -65dB on all output Bandwidth : 4.8MHz 2dB 1.7 Audio Performance CD 1.7.1 Cinch Output Rear Output voltage 2 channel mode : 2Vrms 2dB Channel unbalance (1kHz) : 100dB Crosstalk 16Hz

10、-20kHz : 87dB Frequency response 20Hz-20kHz : 0.5dB max Signal to noise ratio : 85dB Dynamic range 1kHz : 83dB Distortion and noise 1kHz : 83dB Distortion and noise 16Hz-20kHz : 75dB Intermodulation distortion : 70dB Mute : 95dB 1.7.2 Scart Audio Output voltage 2 channel mode : 1.6Vrms 2dB Channel u

11、nbalance (1kHz) : 85dB Crosstalk 16Hz-20kHz : 70dB Frequency response 20Hz-20kHz : 0.5dB max Signal to noise ratio : 80dB Dynamic range 1kHz : 75dB Distortion and noise 1kHz : 75dB Distortion and noise 16Hz-20kHz : 50dB Intermodulation distortion : 70dB Mute : 80dB 1.8 Digital Output 1.8.1 Coaxial C

12、DDA / LPCM (incl MPEG1) : according IEC958,IEC60958-1,-3 MPEG2, AC3 audio : according IEC1937, IEC61937 DTS : according IEC1937, IEC 61937 amendment 1 1.9 Dimensions and Weight Height of feet : 5.5mm Apparatus tray closed : WxDxH: 435 x 350 x 89mm Apparatus tray open : WxDxH: 435 x 487 x 89mm Weight

13、 without packaging : app.5.0kg 0.5kg Weight with packaging : app.8kg 1.10 Laser Output Power & Wavelength 1.10.1 DVD Output power during reading : 0.8mW Output power during writing : 20mW Wavelength : 650nm 1.10.2 CD Output power : 0.3mW Wavelength : 780nm 1.11 Playability DVDR7250HDVDR7260H Video P

14、layback 1.Disc Media: CD-R/CD-RW, DVD+R DL, DVD+R/+RW, DVD-R/-RW, DVD-Video, Video CD/SVCD xx 2.Compression Format: MPEG1, MPEG2 xx Audio Playback 1.Disc Media: Audio CD, CD-R/RW xx 2.Compression Format: Dolby Digital, MP3, MPEG2 Multi-channel, PCM xx Still Picture Playback 1.Disc Media: CD-R/RW x 2

15、.Picture Compression Format: JPEG x EN 53139 785 3180 xTest Disc & Repair Hints2. 2.1 Test Disc 1) 7104 099 96611 CD-RW printed Audio Disc 2) 9965 000 25728 DVD Player Test Pack 3) - Blank DVD+RW 4) - Blank DVD-RW 2.2 Open the DVD Tray manually Note: This procedure needs to be performed on condition

16、 that: - a customers Disc is jammed in the DVD Tray - the DVD Tray cannot be open via the normal 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 d

17、irection shown. Figure 2-1 2. Test Disc & Repair Hints 1 2 EN 63139 785 3180 xFirmware Upgrading & Diagnostic Software3. 3. Firmware Upgrading & Diagnostic Software 3.1 Firmware Upgrading A. Preparation to upgrade fi rmware: 1. Unzip the zip-archive fi le 2. Start the CD Burning software and create

18、a new CD project (data disc) with the following settings: File system : Joliet Format : MODE 2: CDROM XA Recording mode : SINGLE SESSION (TRACK-AT-ONCE), FINALIZED CD Note: Long fi le name is necessary for the preparation of the upgrade disc 3. Place the content of the zip-archive into the root dire

19、ctory of the new CD project. 4. Burn the data onto a blank CDR or CD-RW B. Procedure to apply the fi rmware upgrade: 1. Hold the + buttons down and Power up the set. 2. The tray opens and set will display: FORCE DL . INSERT DISC 3. Insert the prepared Upgrade CDROM and close the tray. 4. The set wil

20、l display: INIT DSC . SYS VER READ FILES . DOWNLOAD BE The whole process takes less than 15 minutes Note: Do not press any 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 an

21、d the set will display: REMOVE DISC 6. Close the tray and the set will display: DONE 7 The set will go into Standby mode. C. How 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 option 3. Press button to

22、select System 4. The set will prompt you about clearing the Time Shift Buffer 5. Select Yes and press button 6. Press button several times to select Version info 7. Press button 8. The TV connected to the set will display: (C) PHILIPS 2006 VERSION INFORMATION: DIF05_8/7028 AN SV11226 BE 43.3.7.9 ASP

23、 1,18,1,10FP DTTM HW:01020102 DTTM SW:00040206 SIT7250H-FF5F-S28_F604 20060203-1650 pro sxcplusint EPG:3.06 DPMS:P_DPM 9. Press button to exit EN 73139 785 3180 xService Flow Chart4. 4. Service Flow Chart 4.1 Start Process Start A (Verification Test) Is it a Hardware problem ? Upgrade to latest Firm

24、ware Is it a known complaint ? Is Firmware solution available ? Yes No Yes No Yes No Is the complaint solved ? Return set to Customer with Report on action done Yes No Is the complaint documented ? Yes No Service W/S to contact the Trade / Customer to work out an action plan. Examples: - explain the

25、m that the Firmware solution is not ready - Upgrade disc will be send to them the moment a solution is ready - etc. Does the set pass the Dealer Test ? Pass Fail Perform built-in Dealer Test (Press & hold Play button on Front Panel down + Power-up the set) Send refurbished set from pool stock to Tra

26、de / customer - Attached Defect Description Report and Proof of Purchase. - Pack defective set - Store defective set for pick-up EN 83139 785 3180 xService Flow Chart4. 4.2 Verifi cation Process * If complaint is related to System Menu setting Connect up the Recorder to TV antenna, TV set and an Ext

27、ernal source Check the Firmware version on the set Can the set Start-up ? Yes No A (Verification Test) B Recording Check C Playback Check D * System Menu Send refurbished set from pool stock to Trade / customer Return set to Customer with Report on action done - Attached Defect Description Report an

28、d Proof of Purchase. - Pack defective set - Store defective set for pick-up No Yes Is Firmware the last released version ? Upgrade to latest Firmware Are the checks result ok ? Yes No EN 93139 785 3180 xService Flow Chart4. 4.3 Recording Process Manual Recording during TSVBHDD: Manual Recording Copy

29、 to DVD Recordable discTimer Recording Does Timer recording functions ? Yes No Does manual recording No functions ? Yes B Recording Check Make a Timer recording with: - VPS/PDC on and off - Guide Plus+ System - Show View System - manual selection Playback the recorded title from HDD browser Are Time

30、r edit & delete feature working ? Yes No Make 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 Cable Box/Satellite Receiver/VCR/DVD) From the HDD browser select the recorded title and check the following: - ed

31、it title feature - play the title Does the TSB feature works ? 1) Switch the Recorder to Tuner source - The active Tuner channel will be recorded into the TSB (time shift buffer), a temporary HDD storage area. 2) By pressing the INFO button the Time Shift video bar (TSVB) appears on the screen, chec

32、k the following features: - search forward / backward - instant replay, pause, etc. on the live TV function 1) Make a short recording (stop 1 minute) by during Time Shift video bar display. 2) Playback the recorded title from the HDD browser Does the recording functions ? Continue Continue Yes No Ye

33、s No Send refurbished set from pool stock to Trade / customer - Attached Defect Description Report and Proof of Purchase. - Pack defective set - Store defective set for pick-up 1) Insert a DVD+RW disc 2) In the HDD browser select the recorded title for copy to recordable DVD 3) From the Disc Menu se

34、lect the copied title and check the following: - edit features - play the title 4) Repeat with DVD-RW Does copy function ? Yes No Is the Disc Library feature working ? Yes No EN 103139 785 3180 xService Flow Chart4. 4.4 Playback Process HDD playback CheckDisc playback Check Yes No C Playback Check P

35、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 u DVD disc of this package 2) For AUDIO CD use of CD-RW printed Audio Disc to check: - Track 3 finger print - Track 8: 600u

36、 black dot (max. after 1 min.) sing From 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 search Yes No Does the set work ? From the HDD browser ch

37、eck the following features: - Sorting - Titles: Delete, Copy & Protect - Play / Edit features Does the set work ? ContinueContinue Yes No Send refurbished set from pool stock to Trade / customer - Attached Defect Description Report and Proof of Purchase. - Pack defective set - Store defective set fo

38、r pick-up Does the set work ? Play a title from the HDD browser and check the following features: - Pause, Search Fwd/Rev & Next / Previous chapter - Editing features - Yes NoDoes the set work ? EN 113139 785 3180 xService Flow Chart4. 4.5 System Menu D System Menu Check Does the set work ? Continue

39、 Yes No Toolbar - check the following features: - Option Setup - check the following features: - System - Time-date - Analogue Ch - Digital Ch - Video output - Audio output - Audio input - Language Preferences - check the following features: - Recording - DV Specials - Sound - Disc - Access - Featur

40、es Send refurbished set from pool stock to Trade / customer - Attached Defect Description Report and Proof of Purchase. - Pack defective set - Store defective set for pick-up EN 123139 785 3180 xDirections For Use5. HDD & DVD Player / RecorderDVDR7250H Quick Start Guide Connect Set up Enjoy 1 2 3 Wh

41、ats in the box? HDD & DVD Player / Recorder RF coaxial cable Remote Control and 2 batteries User ManualScart cable Tuner interlink cable Power cableG-LINK cable & transmitter 5. Directions For Use The following except of the Quick Use Guide serves as an introduction to the set. The Complete Directio

42、n for the Use can be downloaded in different languages from the internet site of Philips Customer care Center: EN 133139 785 3180 xDirections For Use5. 1 Connect Start with the Basic connection. If you have a VCR, follow the instructions for Connection with VCR or similar device. If you have a set-t

43、op box, follow the instructions for Connection with set-top box. Basic Connection A Before Connecting Unplug the antenna cable that is currently connected to your TV. If you have only a single off-air antenna, follow B1 connection. If you have both the off-air antenna and digital terrestrial antenna

44、, follow B2 connection. Connecting A Disconnect the antenna cable from your TV and connect it to the ANTENNA socket on this recorder. B Use the supplied RF coaxial cable to connect the TV socket on this recorder to the Antenna In socket on the TV. C Use the supplied Tuner interlink cable to connect

45、the two A-sockets on this recorder. D Use the supplied scart cable to connect the EXT1 TO TV-I/O scart socket on this recorder to the SCART IN socket on your TV. E Plug in the power cable from the recorder to an AC power outlet A Disconnect the antenna cable from your TV and connect it to the socket

46、 on this recorder. B Connect the indoor DVB-T antenna cable to the ANTENNA socket on this recorder. C Use the supplied RF coaxial cable to connect the TV socket on this recorder to the Antenna In socket on the TV. D Use the supplied scart cable to connect the EXT1 TO TV-I/O scart socket on this reco

47、rder to the SCART IN socket on your TV. E Plug in the power cable from the recorder to an AC power outlet B1 Connecting (with digital terrestrial antenna) B2 From an off-air antenna or cable box Television ( rear) Television (rear) From an off- air antenna or cable box Philips Recorder (rear)Philips

48、 Recorder (rear) From digital terrestrial antenna Note See the accompanying user manual for other possible connections (e.g. S-Video, Component Video) EN 143139 785 3180 xDirections For Use5. A Follow step 1 to 5 of Basic connection to connect this recorder before you proceed to step 2 below. Above illustration shown the connection without the digital terrestrial antenna. B Use another scart cable (not supplied) to connect the EXT2 AUX-I/O scart socket on this recorder to the SCART OUT socket on your VCR. C Connect the power cable from the VCR to an AC power outlet.