编号17：爱华Aiwa-ADF220-tape-维修图纸手册

AIWAS/M Code No.83-022DATE OF ISSUE 7/1983SERVICEMANUALMODEL NO.STEREO CASSETTE DECK-F22TYPE H,HJ,HU,U,C,EJ,K,G,ZSPECIFICATIONSSemiconductors:H,HJ,HU,U,C.EJ,K,G models(WTD-A)More than 64 dB6ICs,37 transistors,10 diodes,22 LEDs(METAL,DOLBY NR C-typelZ modelMore than 64 dB61Cs,39 transistors,10 diodes,22 LEDs(CrO..DOLBY NR C-type)Power supply:H,HJ,HU modelsMorethan 62 dBAC120V/220ww240W(NORMAL,DOLBY NR C-type)switchable 50/60 HzChannel separation:More than 30 dBU.C models(1 kHz.OVU)AC 120V,60HzMore than 60 dBEJ,Z modelsCOVUAC220V.50/60HzErasing ratio:More than 57 dBK,G models(135 Hz,OVU 10 dBlAC240V.50/60HzBias frequency:85 kHzPower consumption:H,HJ,HU,models14WFrequency responseMETAL2018.000HzU.C.EJ.K.G.Z models 15W20~17.,000HzDimensions:4820g629pmMotor:DC ServomotorWeight:4 kg (8.81 Ibs.)Head:DX head (for Rec/Pb)Track type4 tracks 2 channelInputsTape speed:4.8 cm/s (1-7/8 ips)MIC maximum input sensitivity0.3mV (200 -10k matched)Wow and flutter:Less than 0.038%(WRMS)LINE IN maximum inputAccording to DIN 45500 0.1%sensitivity:50mV (more than 50k)Automatic stop system:Full auto stopDIN max sensitivity (Z model only)Automatic shut-off action time:0.1mV/k (3.3k)Less than 5sOutputsLINE OUT standard output level:Pinch roller pressure:125±159(1.225±0.147N0.41 V (OVU):suitable loadTake-up torque:35+15impedance:more than 50k;5-cm0.343+0.147-0.049 mN-m)DIN standard level (Z model only):FF rewind torque110±20g-cm(1.078±0.196mNm0.41V0VU)FF&rewind time:90±5s.(C-601Headphones:81Playback output:0.53±0.05V(LINE)Test tape:METAL TTA-119MX(TTA-161)0.49+0.05V(D1N)NORMAL TTA-119JPlayback noise:Less than 1.2mV (CrO.H,HJ,HU,U,C,EJ,K,G modelsLess than 1.2mV(METAL)CrO.TTA-119GLess than 2.3mV INORMAL)Z modelRec./PB output:H,HJ,HU,U,C,EJ,K,G modelsTTA-119DTTA-119G)oVU±1.5dB[LINE}(TTA-119D】Z modelOVU±1.5dBRec./PB distortionH.HJ.HU,U,C,EJ,K,G modelsLess than 2.5%(METAL]Less than2.0%(Cr0,】Less than 1.5%(NORMAL)Rec./Pb SN ratio:More than 42/46 dB(Unweighted)(METAL,DOLBY NR B-typeOFF/ON)More than 42/46 dB(CrO,,DOLBY NR B-type OFF/ON)More than 41/46 dB(NORMAL,DOLBY NR B-type OFF/ON)(WTD-A)More than 45/52 dB(METAL,DOLBY NR B-type/C-type).Specifications and external appearance are subject to changewithout notice due to product improvement.More than 50/55 dBNoise reduction system manufactured under license from(CrO,,DOLBY NR B-type/C-type)Dolby Laboratories Licensing CorporationMore than 45/52 dB(NORMAL,DOLBY NR B-type/C-type)Dolby and theo symbol are trademarks of Dolby Labo-ratories Licensing Corporation.