ST-3950-Service-Manual维修操作说明书手册

ST-3950AEP ModelUK ModelFM STEREO/FM-AM TUNERSPECIFICATIONSGENERALOutputs:FIXED:750mV,10k2Harmonic Distortion:at 100 Hz,1 kHz0.15%(M0N0)VARIABLE:0-1.5V,1.5k20.25%(STERE0)FM DISCRI:150mV,2.5k2at 10 kHzPower Requirements:110,127.2200r240Vac0.2%(MONO)selectable,50/60 Hz0.6%(STEREO)Power Consumption:29 W (UK model)Stereo Separation:35 dB at 100 Hz27 W (AEP model)40 dB at 1 kHzDimensions:Approx.460(wl×170h)×335(d)mm35 dB at 10 kHz18(w)x 6%(h)x 13 (d)inchesFrequency Response:40 Hz-12.5 kHz dBincluding projecting parts and controls19 kHz,38 kHz Suppression:60 dBWeight:Approx.8.0 kg.17 Ib 10 oz (net)Muting Level:Approx.5uV9.8kg.21b9o2AM SECTION(in shipping carton)FM SECTIONTuning Range:530-1,605kHzTuning Range:87.5-108MHzAntenna:Buitl-in ferrite-rod antenna andAntenna Terminals:300 balancedexternal antenna terminal75 s coaxial cable inputntermediate Frequency:468 kHzIntermediate Frequency:10.7 MHzUsable Sensitivity:250 uV/m built-in antennaUsable Sensitivity:1.7 uV (MONO),IHF100 uV external antenna1.5 uV,S/N 26 dB (40 kHz deviation)at 1,000 kHzSensitivity at 50 dB Quieting:3.0 uV (MONO)Image Rejection:40 dB at 1,000 kHz404V(STEREO】S/N Ratio:50 dB at 50 mV/mSensitivity at 46 dB QuietingHarmonic Distortion:0.5%at50mV/m,400Hz(40 kHz deviation):IF Rejection:35 dB at 1,000 kHz40uV(STEREO】Image Rejection:80 dBIF Rejection:100dBSpurious Rejection:90 dBAM Suppression:56 dBSONYCapture Ratio:1.0dBSelectivity:80 dBS/N Ratio:75 dB (MONO)SERVICE MANUAL70 dB (STEREO)