编号15：爱华Aiwa-AD6900-tape-维修图纸手册

STEREO CASSETTE DECKWITH DOLBYNR SYSTEMMODEL NO.AD-69O▣E,KGAIWA(SERVICE MANUAL】三®®®日DATE OF ISSUE 9/1978SPECIFICATIONSSemiconductors:13IC's,171 transistors,82 diodes,Frequency response:LH type,20~16 kHz12 FET's 6 LED'sPower source:AC 110~120V/220V/240V (E model)2514kz(3d8)AC 120V/240V (K.G model)Power consumption:28chab1e50/60,S0Fe-Cr tape,20~20 kHz25~18 kHz dB)Dimensions:450(W0×120(H)×327ID)mmCrO,tape,20≈19kHzWeight:9.8kgTrack system:4-track 2-channel stereo25-17kz(号aB)Tape spe4.76cm/e405gMotor:38 pulse FG servo motor (for capstan)Wow flutter:Less than 0.04%(WRMS)at PbDC servo motorAutomatic stop system:Full auto-stopHead:V-cut conbination ferrite headAutomatic shut-off action time:[for Rec./Pb)2±0.50euble cap ferrite head (for Erasure)Pinch roller pressure:580+70Input:MICMax.input sensitivity-40g0.25mVTake-up torque:FF&rewind torque:50±10gcm(200 ~10 ks suitable)155±259cmLINE IN:Max.乐品ninactin5365±5s0c.《wlc-60 cassette】(More than 50 kn)DIN:Max,input sensitivityPlayback output:0.58±0.06V(LINE)0.25mv,50k1(TTA-161)Output柱LINE OUT;Standard output levelPlayback noise:Less than 3.5 mV (LH,DOLBY OFF)0.41V(0VU)(Un-Weighted)Less than 1.0 mV (Fe-Cr,CrO2,Optimum load impedanceDOLBY ON)More than 50 knRec./Pb output:0VU±1.0 dB (LINE)DIN:Standard400Hz0VU月Rec./P distorrtion:Less than 1.5%(LH)Optimum ioad impedance(400Hz0VU)Less than 1.0%(Fe-Cr)More than 50 knLess than 1.5%(CrO,)PHONES;8n~150nRec./Pb S/N:More than 40/45 dB LH,DOLBY(400 Hz 0 VU)OFF/ON)[Un-Weighted)More than 43/46 dB (Fe-Cr,CrO.DOLBY OFF/ON)Channel separation:More than 30 dB(1 kHz 0 VU)Cross talk:More than 60 dB(1kHz0VU】More than 60 dBVU meter display error:0VU±0.5dBSpecifications and external appearance are subject totoVU月change without notice due to product improvement.Peak meter display error:0VU+7d8)+7dB±1dB.Dolby Noise Reduction System is licensed from Dolby0VU-10dB)-10dB±1dBLaboratories Incorporated(0 VU-20 dB)-20 dB 12 dBThe name "Dolby"and the "Double D"symbol areBias frequency:105 kHztrademarks of Dolby Laboratories Incorporated.