Expert-TA930-rec-维修说明书手册含电器原理图

SERVICE MANUALTA-930Stereo ReceiverSPECIFICATIONSFM SECTIONAUDIO SECTIONTuning Range:87.5-108MHzPower Output:30 watts per channel,minimumUsable Sensitivity (IHF)continuous both channels driven intoMono:2uV8 ohms from 40 Hz to 20 kHz withStereo:4uVno more than 0.3%total harmonic50 dB Quieting Sensitivitydistortion.Mono:4uVTotal Harmonic Distortion:Less than 0.3%at rated power intoStereo404V8 ohms (40 Hz to 20 kHz)Signal-to-Noise RatioIntermodulation Distortion:Less than 0.3%at rated power into 8(Mono):74 dBohms (70 Hz 7 kHz 4:1)Frequency Response:40-15.000Hz(±2dB)Powerband Width40 Hz -20 kHzHarmonic DistortionResidual Noise:0.5mVMono0.15%Damping Factor30 at 8 ohmsStereo:0.3%Input Sensitivity/ImpedanceCapture Ratio:1.5dBPhono:2.5 mV/47 kohmsAdjacent Channel Selectivity (+200 kHz)AUX:150 mV/47 kohmsMinimum:15dBTape Play:150 mV/47 kohmsSpurious Response Ratio:75dBMaximum Input Level:100 mV(Phono)Image Rejection55 dBSignal-to-Noise Ratio (IHF A)IF Rejection:66 dBPhono:64 dBAM Suppression Ratio:50 dBAUX,Tape84 dBMuting Threshold0.9-15uVTone ControlsStereo SeparationBass:±8dBat100Hz1.000Hz45dBTreble±8dBat10kHz100-10.000Hz:38dBLoudness Control:+8 dB at 100 HzStereo Threshold:15V(-30 dB Volume Level)4 dB at 10 kHzSCA Rejection Ratio:60dBLow Filter:30 Hz (-6 dB/oct.)Sub-carrier Suppression.60 dBOutput LevelTape-Rec.150mVAM SECTIONHeadphones:350mVTuning Range MW515-1.620kHzSpeaker Impedance4-16ohmsUsable Sensitivity MW20 uVImage Rejection (MW)45 dBGENERALIF Rejection (MW):40 dBPower Consumption:120 wattsHarmonic Distortion:0.5%Power Supply:220V AC,50 HzDimensions:442W1￥385(D)×130(H)mmWeight (Net)8.8kg(19.41bs.)SPECIFICATIONS AND DESIGN ARE SUBJECT TO CHANGE WITHOUT NOTICE