JBL-SCS175-htss-psm 维修电路原理图.pdf

TMSCS175(230V)RadioFans.CN 收音机爱 好者资料库Harman International SNC - Harman Consumer International 2, route de Tours 72500 Chteau du Loir FRANCEPRELIMINARY ?Service - Technical ManualSCS satelliteFreq. Resp.: 90-22000 HzCrossover: 4 kHzSensitivity: 86 dBNom. Imp.: 8 OhmsRecommended amp.:25-100 WattsDrivers:100 mm woofer / 10 mm polymer tweeterDimensions (HxWxD):230 x 140 x 164 mmWeight: 2,5 kgSCS centerFreq. Resp.: 120-22000 HzCrossover: 3 kHzSensitivity: 88 dBNom. Imp.: 8 OhmsRecommended amp.:25-100 WattsDrivers:Two 100 mm woofer / 10 mm polymer tweeterDimensions (HxWxD):160 x 410 x 159 mmWeight: 4 kgSCS active sub-wooferLow-freq. cut-off: 36 HzHigh-freq. cut-off: Adjustable 40-130 HzBuilt-in power amp.: 110 WattsDriver:210 mm long throw wooferDimensions (HxWxD):350 x 295 x 350 mmWeight: 11 kgSCS 175 Technical SpecificationsRefinements may be made on occasion to existing products without notice, but will always meet orexceed original specifications unless otherwise stated.JBL Consumer Products 250 Crossways Park Drive, Woodbury, NY 117978500 Balboa Boulevard, Northridge, CA 91329 Europe: 2, route de Tours, 72500 Chteau du Loir, F2001 JBL, Incorporated. JBL and Simply Cinemaare registered trademarks of JBL, Incorporated.Printed 06/2001 Part No. SCS175OM230VA Harman International CompanyDeclaration of ConformityWe, JBL Europe, HCI2, route de Tours72500 Chteau-du-LoirFrancedeclare in own responsibility, that the productdescribed in this owners manual is in compliance with technical standards:EN 55013/A12:1994EN 55020:1994 EN 55022:1994 class BEN 61000-3-2:1995EN 61000-3-3:1995Luc Emmanuel GodardHarman Consumer InternationalFrance.06/01RadioFans.CN 收音机爱 好者资料库1On shelves.On the wall.Mounting OptionsOn optional stands.SubwooferSurround Speakers150-180 cmSatellites and Surroundsone.Speaker PlacementSatellitesThe customer is responsible forproper selection and use ofmounting hardware, availablethrough hardware stores, toproperly and safely wall-mountthe speakers.Always start with the subwooferas close to one of the front cor-ners as possible to take advan-tage of solid-angle gains. If youget too much bass, adjust the”VOLUME” towards ”MIN”. Theresult will be lower distortionand higher reliability. If theexcessive bass is at one or morediscrete frequencies, then itmight be necessary to considerdealing with room modes. Here are your options: Modify the acoustical coupl-ing of the subwoofer to theroom boundaries and/or the room modes, i.e. move thesubwoofer. Modify the acoustical cou-pling of the listener to theroom boundaries and/or theroom modes, i.e. move thelistener. Move both the subwoofer andthe listener.2Center+ + + Left Front+ Left SurroundCenterRight Front+ Right SurroundReceiver+ Left Front sat. +Right Front sat. +Left Surround sat.+ Right Surround sat.+ Serie no.Made in DenmarkHarman Consumer InternationalTMSCS175 (230V)simplesetup guidetwo.Speaker ConnectionsSeparate and strip the ends ofthe speaker wire as shown.Speakers and amplifiers/-receivers have corresponding(+) and () terminals. The (+)lead of the speaker wire isnoted with a stripe. It is impor-tant to connect all the speakersidentically: (+) on the speakerto (+) on the amplifier and ()on the speaker to () on theamplifier. Wiring “out of phase”results in thin sound, weak bassand a poor stereo image.Connection TipsSpeaker Level3Center+ + + Left Front+ Left SurroundCenterRight Front+ Right SurroundReceiver+ Left Front +Right Front +Left Surround+ Right Surround+ LRSubwoofer outSerie no.Made in DenmarkHarman Consumer InternationalTMSCS175 (230V)simplesetup guideLine Levelmin maxSubwooferLevelmin maxSubwooferLevelVolumeIf your receiver has subwooferoutput jacks, you may connectthe SCS175 using this method.Note: Some receivers/amplifiers have a single(mono) subwoofer output. Inthis case, it is recommendedthat you use a “Y”-connector(not included) to maximize thesubwoofers performance.Crossover FrequencyThe crossover frequency knobdetermines the highest frequen-cy your subwoofer will reprodu-ce. It allows a seamless transi-tion from the subwoofer to thesatellite speakers. Experimentwith this adjustment to findthe crossover frequency thatsounds best with your speakers. When the control is at the ”40Hz“ position, very fewhigh frequencies will be heard.This position is best suited tolarge main speakers. For mostusers, the control should beset somewhere near the midposition. For listeners usingvery small speakers, bestresults will be obtained withthe control at the ”130 Hz“position. For subwoofers used withSurround Sound processorswith dedicated subwoofer out-puts, the best result will beobtained with the control atthe ”130 Hz“ position. 4If there is no sound from anyof the speakers, check thefollowing: Receiver/amplifier is on and asource is playing. Powered subwoofer is pluggedin and is in the “On” position. Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speakerwires are frayed, cut or punctured. Review proper operation ofyour receiver/amplifier.If there is no sound comingfrom one speaker, check the following: Check the “Balance” controlon your receiver/amplifier. Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speaker wires are frayed, cut orpunctured.If the system plays at lowvolumes but shuts off as vol-ume is increased, check thefollowing: Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speaker wires are frayed, cut orpunctured. If more than one pair of mainspeakers is being used, checkthe minimum impedancerequirements of yourreceiver/amplifier.If there is low bass output,check the following: Make sure the connections tothe left and right “SpeakerInputs” have the correct polarity (+ and ). Make sure that the subwooferis plugged into an active elec-trical outlet and is turned on.If there is no sound from the surround speakers, checkthe following: Check all wires and con-nections between receiver/amplifier and speakers. Makesure all wires are connected.Make sure none of the speaker wires are frayed, cut orpunctured. Review proper operation ofyour receiver/amplifier and itssurround sound features. Make sure the movie or TVshow you are watching isrecorded in Dolby surround. 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