Philips-DVDR-7260-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
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