索尼sony_tc-k620_650es_维修手册

TC-K620/K650ESSERVICE MANUALUS ModelCanadian ModelAEP ModelTC-K620US ModelUK ModelEModelTC-K650ESPhoto:TC-K650ESModel Name Using Similar Mechanism TC-RX70/RX70ESTape TransportTC-K620TCM-200V2Mechanism TypeTC-K650ESTCM-200V3SPECIFICATIONSOutputsRecording system4-track 2-channel stereoBiasAC biasLine outputsRated output level0.44 V(-5 dB)at aHeadsErase head×1(s&F head(phono jacks)load impedanceRecording head x 1(Permalloy head)47k ohmsPlayback head x 1 (Permalloy head)(TC-K620)Load impedanceOver 10k ohms(LA head)(TC-K650ES)HeadphonesOutput level0-2.5 mW at a loadMotorsCapstan motor×1(stereo phone jack)impedance of 32Reel motor×1(C motor)ohmsWow and flutter0.05%WRMS (NAB)±0.14%W.Peak(DIN)GeneralFast-forward and rewind timeApprox.90 sec.(with C-60 cassette)Power requirementsAEP.West Germany models:220 V AC (or 240 V adjustable,by SonyFrequency response (DOLBY NR off)personnel),50/60 HzTYPE IV cassette20-20,000Hz(±3dB)US.Canadian models:(Sony METAL-ES)20-16,000 Hz (OVU recording)120 V AC.60 HzTYPE ll cassette20-18.000Hz(±3dB)TC-K620)UK model:240 V AC.50 Hz(Sony UX-S)20-19,000Hz(±3dB)TC-K650ES)E model:120/220/240 V AC adjustable,TYPE I cassette20-17.000Hz(±3dB)50/60Hz(Sony HF-S)Power consumption17WSignal-to-noise ratio (at peak level)DimensionsApprox..430×123×285mm(wh/d)Dolby NR switchB-TYPEC-TYPE(17×4%×11%inches)OFFCassetteONONWeightApprox.4.9 kg (10 Ibs 13 oz)TYPE IV(Sony METAL-ES)60 dB69 dB75 dBSupplied accessoryAudio connecting cord(2)TYPE II (Sony UX-S)59 dB68 dB74 dBDesign and specifications subject to change without notice.TYPE I(Sony HF-S)57 dB66 dB72 dBTotal harmonic distortionNote1.0%(with Sony METAL-ES cassette)This appliance conforms with EEC Directive 87/308/EECInputsregarding interference suppression.Line inputsSensitivity77.5mV(-20dB(phono jacks)Input impedance50k ohmsSTEREO CASSETTE DECKSONY