jvc j50 迷你音响电路

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1、SERVICEMANUALMICROCOMPONENTSYSTEMMB02120038UX-J50RM-SUXJ50UREMOTECONTROLSP-UXJ50CA-UXJ50SP-UXJ50AreaSuffixU----------------OtherAreasUT--------------------TaiwanUW----Brazil,Mexico,PeruUJ---------------U.S.MilitaryUP----------------------KoreaUF----------------------ChinaTABLEOFCONTENTS1PRECA

2、UTION.........................................................................1-32SPECIFICSERVICEINSTRUCTIONS......................................................1-63DISASSEMBLY.......................................................................1-74ADJUSTMENT..............................

3、.........................................1-195TROUBLESHOOTING.................................................................1-23COPYRIGHT©2003VICTORCOMPANYOFJAPAN,LIMITEDNo.MB0212003/9SPECIFICATIONAmplifierOutputPower120W(60W+60W)at6W(10%THD)Audioinputsensitivity/Impedance(at1kHz)AUX400mV/4

4、8kWSpeakers/Impedance6W-16WTunerFMtuningrange87.50MHz-108.00MHzAMtuningrangeAM10kHzintervals530kHz-1710kHzAM9kHzintervals531kHz-1710kHzCDplayerDynamicrange85dBSignal-to-noiseratio90dBWowandflutterImmeasurableCassettedeckFrequencyresponseNormal(typeI)60Hz-14000HzWowandflutter0.15%(WRMS)Speaker

5、-SP-UXJ50SpeakerunitsWoofer12.0cmcone´1Midrange4.0cmcone´1Tweeter2.0cmdome´1Impedance6WDimensions(approx.)160mm´285mm´181.5mm(W/H/D)Mass(approx.)2.4kgeachGeneralPowerrequirementAC110V/127V/220V/230V-240V,adjustablewiththevoltageselector50Hz/60HzPowerconsumption120W(atoperation)3.6W(onstandby)

6、Dimensions(approx.)490mm´286mm´323.3mm(W/H/D)Mass(approx.)10.3kg1-2(No.MB021)SECTION1PRECAUTION1.1SafetyPrecautions(1)Thisdesignofthisproductcontainsspecialhardwareandvoltmeter.manycircuitsandcomponentsspeciallyforsafetypurpos-Movetheresistorconnectiontoeachexposedmetales.Forcontinuedprotecti

7、on,nochangesshouldbemadepart,particularlyanyexposedmetalparthavingareturntotheoriginaldesignunlessauthorizedinwritingbythepathtothechassis,andmeasuretheACvoltageacrossmanufacturer.Replacementpartsmustbeidenticaltotheresistor.Now,reversetheplu