编号2：爱华Aiwa-AD1800-tape-维修图纸手册

STERE圈CASSETTE DECKWITH DOLBY SYSTEM AND DNLMODEL AD-1800EE,UKAIWA(SERVICE MANUAL】soSet using ISO screwsDATE OF ISSUE 25/12/1975SPECIFICATIONSType:Hi-Fi stereo cassette tape deckLINE (IN):Max.input sensitivity:50 mVwith Dolby system and DNLImpedance:100 k ohms or higherRecording track system:4-track,2-channelDIN (IN):Max.input sensitivity:0.1mV/k ohmCireuit:1 IC,62 transistors,43 diodes,Impedance:2.7 k ohms2 FET,3 LEDOutput:Power source:"EE"modelLINE (OUT):Standard output level:0.775V(0 VU)AC110~120V/220~240VOptimum load impedance:50 k ohmsswitch changeable,50/60 Hzor higher"UK"modelAC 120V/240V switchable 50 HzDIN (OUT):Standard output level:0.775V (0 VU)Power consumption:24WOptimum load impedance:50 k ohmsFrequency response:LH tape9.30≈14000Hzor higherFe-Cr tape,30~18,000 HzHeadphone:Load impedance:8 ohmsCr02tape,30~17,000HzDimensions (w.h.d):423×152×295mm(with dust cover)SN ratio:65 dB(Dolby NR/DNL ON,Fe-CrWeight:7.5 kg (with dust cover)tape】Accessories:Dust coverx 1Wow flutter:0.05%(WRMSTape cassette×1Tape speed:4.76cm/sec.(1-7/8ipsl1.0%DIN cord×1Recording system:AC biasHead cleaning pole×1Erasing system:AC eraseRewind time:955ec.w/C.60]FF time:95sec,w/C-60]Usable cassette tape:C-30.C-60.C-90.{C-1201The external design and the specifications are subject toMotor:AC hysterrisis synchronous motorchange without prior notice.Head:Ferrite guard head (FGH).Dolby Noise Reduction Circuit Under License fromInput:Dolby Laboratories Incorporated.MIC:Max.input sensitivity:0.25 mV.The word"Dolby"and"Double-D"symbol are trademarksImpedance:200 ohms ~10k ohmsof Dolby Laboratories Incorporated.