Philips-LX-3750-W-Service-Manual电路原理图.pdf

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1、ServiceServiceServiceLX3700D/21S/21R/22S/25SLX3750W/22S/25S/37Copyright 2002 Philips Consumer Electronics B.V. Eindhoven, The NetherlandsAll rights reserved. No part of this publication may be reproduced, stored in a retrieval system ortransmitted, in any form or by any means, electronic, mechanical

2、, photocopying, or otherwisewithout the prior permission of Philips.Published by SL-ET0319 Service Audio Printed in The Netherlands Subject to modification3140 785 32590DVD ReceiverVersion 1.1TABLE OF CONTENTSPageLocation of PC Boards.1-2Versions Variation fr Reparaturen sind Original-Ersatzteile zu

3、 verwenden.ILe norme di sicurezza esigono che lapparecchio venga rimessonelle condizioni originali e che siano utilizzati i pezzi di ricambioidentici a quelli specificati.“After servicing and before returning set to customer perform aleakage current measurement test from all exposed metal parts toea

4、rth ground to assure no shock hazard exist. The leakage currentmust not exceed 0.5mA.“CLASS 1LASER PRODUCT3122 110 03420GB Warning !Invisible laser radiation when open.Avoid direct exposure to beam.S Varning !Osynlig laserstrlning nr apparaten r ppnad och sprrenr urkopplad. Betrakta ej strlen.SF Var

5、oitus !Avatussa laitteessa ja suojalukituksen ohitettaessa olet alttiinankymttmlle laseristeilylle. l katso steeseen!DK Advarse !Usynlig laserstrling ved bning nr sikkerhedsafbrydere erude af funktion. Undg udsaettelse for strling.FUNCTIONAL OVERVIEW1-7Functional OverviewFront panels1OPEN / CLOSEto

6、open or close the disc tray.2Disc Tray3SOURCEto select the relevant active mode:TV/AV, DISC, TUNERor AUX/DI.4SURROUNDto select multichannel surround (Dolby Digital,DTS,VSSDolby ProLogic or Dolby ProLogic II) or stereo soundeffect.5PROGRAMin Disc mode,to program disc tracks.in Tuner mode,to program p

7、reset radio station.6VOLUMEto adjust the master volume.Front viewTop viewSide view7STANDBY-ONto switch between power on and standby modes.8PLAY / PAUSE(in Disc mode only)to start or interrupt disc playback.9STOP (in disc mode only)to stop playing the disc.0SEARCHS/Tin Disc mode, press to skip to the

8、 previous/next chapter/track.in Disc mode,hold down to fast reverse/forward thedisc.in Tuner mode, to tune to a lower or higher radio frequency.!nnnnnto connect headphones.1253467980!1MW / FM ANTENNAconnect to the MW loop antenna or FM antenna.2AUDIO IN -AUXconnect to the analog audio outputs of a T

9、V or VCR.3AUDIO OUTconnect to the analog audio inputs of an external recordingdevice or amplifier.4WOOFER LINE OUTconnect to an active subwoofer (Optional).5DIGITAL OUT - OPTICALconnect to an audio equipment with digital (optical) audio input.6DIGITAL OUT - COAXIALconnect to an audio equipment with

10、digital (coaxial) audio input. Caution:Do not touch the inner pins of the jacks on the rear panel.Electrostatic discharge may causepermanent damageto the unit.7DIGITAL INconnect from an audio equipment with digital audio output.8SPEAKERSconnect to the front,center, rear (surround) and subwooferspeak

11、ers.9A/V SCART OUTconnect to TV with SCART input.0S-VIDEO OUTconnect to a TV with S-video input.!VIDEO OUTconnect to a TV with video input.ACPower Cordconnect to a standard ACoutlet.Rear panelFunctional Overview2 A/V SCAR T OUT AC MA IN S A UDIO IN AU X A UDIO OUT W OOFER LINE OUT S-VIDEO VI DE O OU

12、 T VIDEO AM ANTENNA (8 ) S S P P E E A A K K E E R R S S FR SL SR SW CF L OUT OPTICAL CO AXIAL DIGIT AL IN FM (75 ) 1234567890!FUNCTIONAL OVERVIEW1-81 2 3 4 5 6 7 8 9 04 5 should be viewed only byadults due to graphic sexual material,violence, or language.7 NC-17 No children under age 17; not recomm

13、endedviewing for children under age 17. 6 PG-R Parental Guidance - Restricted;recommendedthat parents restrict children under 17 from viewing orallow to view only when supervised by a parent or adultguardian. 4 PG13 Material is unsuitable for children under age 13.3 PG Parental Guidance suggested.1

14、G General Audience;recommended as acceptablefor viewers of all ages.Toplay a higher rated disc or scene than the levelset Enter the 4-digit code before resetting the rating level to ahigher number (go to “Password”).If you forget the 4-digit code1Press9four times when forgotten the password and thes

15、ystem will change back to the default password.2Go to “Password”and enter your new code.Notes: Some DVDs are not encoded with a rating though the movierating is printed on the disc jacket.The rating level feature doesnot work for such discs.PasswordToset a new password for the parental control or tochange the password.The password supplied as default is1234. Menu LanguageSelect the language for on screen display.DefaultIf RESET is selected,all the items in the setup menu will bereset to default setting,except Parental Setting.