编号11：爱华Aiwa-AD6600-tape-维修图纸手册

STEREOCASSETTEDECK WITH DOLBY-NRSYSTEMMODEL NO.AD-6600U,E3K不5For Service Manuals ContactMAURITRON TECHNICAL SERVICES8 Cherry Tree Rd,ChinnorOxon OX9 4QYAIWATet01844-351694Fax01844-352554Email:-enquiries@mauntron.co.uk(SERVICE MANUAL】Cord No.04-660-000-4610￥3DATE OF ISSUE 11/1978SPECIFICATIONSSemiconductors:10 IC's,57 transistors,33 diodes.2 LED's (U model)Channel separation:More than 28 dB(1 kHz,0 VU)10 IC's 69 transistors,34 diodes.C0e线tak:More than 60 dB2 LED's (E,K model)(1 kHz,0 VU)Power source:AC 120 V 60 Hz (U model)Erasing ratio:More than 60 dBAC110120V/220-240V{400Hz,0VU,+10dBswitchable 50/60 Hz (E model)Level drift:Less than 0.5 dBAC120V/240V(10 kHz,0 VU)switchable 50/60 Hz (K model)VU meter display error:0VU±0.5dBPower consumption:10W (U model)(O VU)14W (E,K model)Peak indicator hold time:3 secDimensions:17-%"W)x5-15/16"(H)×Bias frequency:100 kHz13"(D)Frequency response:LH tape 20~15,000 Hz[450W)×150(H)x330(D)mm】30≈13.000Hz(±3dB(U model)Fe-Cr tape 20~17,000 Hz420(W)×150(H)×330(D)mm30~15.000Hz(±3dB)(E.K model)CrO,tape 20 17,000 HzWeight:18.7 Ibs (8.5 kg)(U model),30~15,000Hz(±3dB7.5 kg (E,K model)Rec mute crosstalk:More than 63 dBTrack type:(1 kHz,0 VU,+10 dB)Tape speed:ks 2 channel1-7/8ips±1%Motor:(4.76cm/sec±1%)Head:38 pulse FG servo motorAutomatic stop system:Input:Ferrite guard head (FGH)Full auto stopAutomatic shut-off action time:MIC:Max.input sensitivity0.3mV(2002~10k24±1csuitable】Pinch roller pressure:375±30gTake-up torque:50±10gcmLINE IN/REC:Max.inputsensitivityFF rewind torque:FF&rewind time:125±25g-cm50 mV (More95±8secthan 50 k)Output:LINE OUT/PLAY:Unattended recording action time:Standard output level3.2±1.5s8c0.775V(at Power switch ON)Play back output:1.05±0.05V(LINE)(Optimum load imped-(TTA161)ance more than50k2】PHONES:0.175VPlay back noise:Less than 3.0/2.0 mV (CrO2,(Load impedance 82)Fe-Cr Dolby NR OFF/ON)(U model)Less than 4.0/2.5 mV (LH,0.110VDolby NR OFF/ON)Rec./Pb.output:(Load impedance 8)0VU±1dBRec./Pb.distortion:(E,K model)Less than 2.0%(CrO,,LH)Less than 1.5%(Fe-Cr)Rec./Pb.SN ratio:More than 45/48 dBSpecifications and external appearance are subject to change(400Hz,0VU)without due to product improvement.(CrO,,Fe-Cr,Dolby NR(Un-weighted)Dolby Noise ReductionSystem islicensed from DolbyOFF/ON)Laboratoriesore than 43/45 dB (LHIncorporatedThe nameDolby'and theD