sony_tc-k222esl_k870es_sm维修操作说明书手册

TC-K222ESL/K870ESSERVICE MANUALEModelTC-K222ESLUS ModelCanadian ModelUK ModelE ModelTC-K870ESPhoto:TC-K870ESDolby noise reduction manufactured under license fromDolby Laboratories Licensing Corporation.Model Name Using Similar MechanismTC-K222ESG"DOLBY"and the double-D symbolO are trademarks ofBase Unit NameTCM-200D4Dolby Laboratories Licensing Corporation.SPECIFICATIONSRecording system4-track 2-channel stereoInputsFast winding timeApprox.90 sec.(with Sony C-60 cassette)Line inputsSensitivity77.5mvAC biasOD DECTinputErasing head x 1 (LA head)(phono jacks)Input impedance47 kohmsRecording head x 1 (LA head)Playback head x 1 (LA head)MotorsCapstan motor x 1Outputs(direct-drive linear torque BSL motor)Line outputsRated output level0.44 V at a loadReel motor x 1 (DC motor)(phono jacks)impedance ofDC motor×147 kohmsWow and flutter±0.04%W.Peak(IEC)0.024%WRMS (NAB)Load impedanceOver 10 kohms±0.065%W.Pead(DlNjHeadphones (stereoOutput level0-2.5 mW at a loadSignal-to-noise ratio (NAB.at peak level)phone jack)impedance ofDoiby NR switch32 ohmsOFFGeneralCassetteB-Type ONC-Type ONPower requirementsModel for European countries:Type IV61 dB70 dB76 dB220-230 V AC.(or 240 V AC adjustable by(Sony METAL-S/SLT)Type ll (Sony UX-S)59 dB68 dB74 dBu3ag663c50ae0120 V AC,60 HzType I (Sony HF-S)57 dB66 dB72 dBModel for the United Kingdom:LBYSony METALLT casstte)240 V AC (or 220 V AC adjustable byTotal harmonic distortionweaeY6cere0eeSOY METAL SSLT)15·22.000Hz±3dB)120,220,or 240 V AC adjustable,50/60 Hz15-16,000 Hz (3 dB'OVU recording)Power consumption23WType ll cassette(Sony UX-S)15-20.000Hz3dB)-Continued on next page-15-17.000Hz(仕3dB)STEREO CASSETTE DECKSONY