Akai-AA39-rec-维修说明书手册含电器原理图

AA3AKAI SERVICE mANUAL马凸马台尚尚尚尚台百oooMODEL AA-49STEREO RECEIVERMODELAA-39,49SPECIFICATIONSTuner sectionTotal harmonic distortion ...0.008%(1 kHz,8 ohms)FMFrequency response .............5 Hz to 100 kHz (+0 dB,-3 dB)Tuning frequency range......87.5 MHz to 108.0 MHzTone controlUsable Sensitivity…1.8μVBass........士10dB(100Hz)Quieting Sensitivity............21.2 dBf (mono)Treble.....士10dB(10kHz(S/N -50dB)34 dBf (stereo)nput sensitivity/ImpedanceTotal hammonic distortion...0.1%(mono),0.2%(stereo)Phono......2.0 mV/47 k ohmsS/N....................72 dB (mono),69 dB (sterea)CD/Tape/Line.....150 mV/47 k ohmsFrequency response............40 Hz to 15 kHz (+2 dB,-3 dB)Damping factor....65 (1 kHz,8 ohms)Stereo separation (1 kHz)..45 dBResidual noise....0.1mV QEC-A)Selectivity....70 dBS/NCapture ratio2.0dBPhono81 dB (IEC-A)Image rejection .......45 dBcDTape/Line..........99 dB (IEC-A)IF rejection85 dBAudio mute.-20dBSpurious rejection.........80 dBFull mute…-70d8AM suppression.65 dBChannel separation ..............65 dB (1 kHz)/55 dB (10 kHz)MWCross talkTuning frequency range .....531 kHz to 1602 kHzCD to Phono .90 dB (1 kHz,500 mV Input level)Usable sensitivity ..............200 uV/mCD to Tape/Line ........90 dB(1 kHz,500 mV Input level)S/N...45 dBRequired speaker impedanceSelectivity.23dBA or B.............4 ohms to 16 ohmsLWA and B ....8 ohms to 16 ohmsTuning frequency range ......144 kHz to 351 kHz (E,B)Power requirement220·230V.50Hz144 kHz to 288 kHz (V)for Europe except U.K.Usable sensitivity .............600 uV/m240V,50HzSjN…35dBfor U.K.(AA-39 only)Selectivity.23 dBPower consumptionAA-49.150WAmplifier sectionAA-39…125WPower output (at AC 230 V)Dimensions......425 (W)x156 (H)x 370 (D)mmAA-49100 W+100 W (DIN,4 ohms,WeightAA.491kHz,1%).121kg70 W+70 W (DIN,8 ohms,1%)AA-3911.3kg60 W+60 W (FTC.8 ohms,30Hzto20kHz,0.05%)Standard AccessoriesAA-3980 W+80 W(DIN.4 ohms,Operator's Manual .............x11kHz,1%),Remote control unit ...........x 155 W+55 W (DIN,8 ohms,1%)Dry batteries (R6 (AA))......x 245 W+45 W (FTC.8 ohms.FM antenna..x.130Hz020kHz.0.05%)FM antenna plug .................x1Power band width…10Hzt060kHz/0.1%AM loop antenna ...........x1For improvement purposes,specifications and design sre subject to change without notice5以