TECHNICS—SU-A700MK2维修电器原理图

AmplifierStereo Integrated AmplifierSU-A70GMK2Colour(K)............Black TypeAreasSuffix forAreaColourModel No(E)Europe(EB)Great Britain((EG)Germany and Italy(EO)SwitzerlandSpecifications (DIN 45 500)20'Hz-20 kHz continuous power outputFrequency responseboth channels driven2×45W(82)PHONO MMRIAA standard curve 1 dB1 kHz continuous power output both(30 Hz-15 kHz)channels driven (THD:1%)2×55W82TUNER,CD,AUX,TAPE 1,TAPE 2/DCC2×80W(42)3Hz-80kHz(+0,-3dB)63 Hz-12.5 kHz continuous power output+0 dB,-0.3 dB (20 Hz-20 kHz)both channels driven (THD:0.7%)2×50W{B2Tone controls2×70W(42)BASS50Hz,+10to-10dBTotal harmonic distortion rated power atTREBLE20 kHz,+10 to-10 dB20Hz-20kH起0.01%(82)Output voltageIntermodulation distortion (50 Hz:7 kHz 4:1,SMPTE)TAPE 1,TAPE 2/DCC REC OUT150mVrated power0.007%(82】Channel balance (AUX 250 Hz-6.3 kHz)+1 dBResidual hum and noise1 mVChannel separation (AUX 1 kHz)50 dBDamping factor60(8230(42)GENERALHeadphones output level/impedance540mV3302Power consumption200WLoad impedancePower supplyAorB4-162For (E),(EG),and (EO)areas50 Hz/60 Hz AC,230 VA and B8-162For (EB)area50Hz60HzAC,230V-240VInput sonsitivity/mpedanceDimensions(W×HxD)430×125×318mmPHONO MM2.5mV/47k2Weight6.7kgTUNER,CD,AUX,TAPE 1,TAPE 2/DCC150mV22k2Phono maximum input voltage(1 kHz,RMS)Notes:MM150mV(150mV.IHF'88)1.Specifications are subject to change without notice.S/N (rated power,42)Weight and dimensions are approximate.PHONO MM76dB(78dB.1HF66)2.Total harmonic distortion is measured by the digital spectrum analyzer.TUNER,CD,AUX,TAPE 1,TAPE 2/DCC3.For areas except Europe91 dB (99 dB,IHF '66)The specification values given have been measured while using a 240 VS/N at -26 dB power (4 2)power supply.PHONO MM68 dBTUNER,CD,AUX,TAPE 1,TAPE 2/DCC70 dBFor (EB)area onlyS/N at 50 mW power (4This apparatus was produced to BS 800.PHONO MM64 dBTUNER,CD.AUX,TAPE 1,TAPE 2/DCC64 dBe0星Cs