Aiwa-AA8700-int-维修说明书手册含电器原理图

STEREO INTEGRATED AMPLIFIERMODEL NO.AA-8700H,EKAIWA(SERVICE MANUAL】Code No.,08-870-000-20DATE OF ISSUE 10/1978SPECIFICATIONSSemiconductors:4 IC's,8 FET's,51 transistors,58Input sensitivity andPHONO1 (MC)220mV/10 ohmsdiodes.7 LED'Simpedance:PHONO1.2(MM)2.5mV/47 k-ohmsAC120V/220V/240VTUNER,AUX,150mV/47 k-ohmsPower source:(selectable with voltage selector]TAPE,DIN150mV/47 k-ohmsPower consumption:550 W (E,K model)MAIN IN0.8V/47 k-ohms260 W [H model)Phono maximum input voltage:Dimensions:448W0x156(H)×375(D)mm(1 kHz,THD 0.02%)280mVWeight:16.5kgRIAA deviation:±0.2dB(30H15,000HzPower outputTone control:Dynamic power output:Bass20 Hz8 dB(turnover frequency 200 Hz)(at 1 KHz)38w±38W89m50 Hz=8 dB (turnover frequency 400 Hz)Power output (FTC):85 W+85 W(4 ohms]Treble20 kHz+10 dB (turnover frequency 2.5 kHz)(All channel driven75 W+75 W (8 ohms)40 kHz10 dB (turnover frequency 5 kHz)20 Hz~20 kHz,THDFilters:Low:30 Hz,12 dB/oct0.02%1High:10 kHz,12 dB/oct.Power output (DIN 45500):Output voltage andTAPE 150 mV/47 k-ohms(10 minutesdriv85 W+85W(4 ohms)impedance:DIN30 mV/80 k-ohms1 kHz,THD 1%)75 W+75 W(8 ohms)PRE0.8 V/1.3 k-ohmsTotal harmonic distortion (IHF):PHONES4~16 ohms0.01%(at 40 W,8 ohms)SPEAKER 4 ~16 ohms (A,B)Intermodulation distortion (IHF):8~16 ohms (A+B)(at 50 Hz:7 kHz 4:1,8 ohms)0.02%(rated power 75 W+75 W)5 Hz ~100 kHz (less than 0.03%]drivenat 8 ohms)Signal to noise ratio:PHONO (MC)70dB(30n}(IHF A curve)PHONO (MM)83 dB (short circuit)TUNER,AUX,TAPE 100 dB (shortcircuit)Damping factor:More than 40 (at 8 ohms,20 Hz ~20The specifications and external appearance of this set artkHz)subject to change without prior notice.Channel crosstalk (DIN):50 dB (at 1 kHz)0AA