Aiwa-TPR990-tape-维修说明书手册含电器原理图

4-BAN▣RADIO CASSETTEREC▣RDERMODEL NO.TPR-990E,KAIWA(SERVICE MANUAL】Code No.03-990-000-18DATE OF ISSUE 3/1980SPECIFICATIONSGENERALSemiconductors:7 ICs.1 FET's,52 transistors.IF rejection21diodes80±6dBa108MHz33±3dBat600kHz】Power source:Batteries DC 12V (UM-1 x 8)LW37±3dBat300kHzjEmodel:AC110-120V/220-240WTAPE RECORDER SECTION(switchable]50/60 HzTape speed:4.76 cm/sec.±3%K model:Recording system:AC biasAC120W/240WErasina svstem:AC色ra5色(switchable)50/60 HzRecord bias frequency:61±0.5kHCar battery (thru car adaptor)Distortion:Less than1.5%(PB】Power consumption:EmodelLess than 1.5%(REC/PB)35WFrequency response:METAL tape 45~18,000 Hz 3dBCrO:tape45-17.000H2±3dFe-Cr tape45~17.000Hz±3dBSpeakers:160mmo x 2LH tape45-16.000Hz±3dB50mmx2Signal to noise ratio:More than 51/48 dBDimension:514Ww)x383(H)×139(Djmm(Un-weiohtedl7.7kg[DC/AC】PBIWeight:More than 47/44Supplied accessories:AC power cord×1[DC/AC](REC/PB】Cassette tap日×1Erasing ratio:More than 60dBSeparation:More than 37dB (REC/PB]RADIO SECTIONMaximum output power20w10W+10WSuperheterodyneHead:Sendust guard head (RPH)Frequency rangeFM87.4-10B.3MHzSendust head (EH]写R18.5MHz515FF rewind time:80±5g.atC-601.650kHzLW145~320kH2Automatic stop system350±25g(3.43±0.25NIntermediate frequency:FM10.7MHzPinch roller pressure:Wow and flutter:SW,MW,LW468kHzLess than 0.07%(WRMS]Take-up torque:50±10gcm(0.4g±0.098mNmlSensitivity:(IHF,THD 3%)FM7±2dBat88MHz)FF rewind torque:10±2dBat98MHz)13±2dBat108MHzl(S/N 10dB)SW33±4dBat5.9MHz17±4dBat10,0MHzlg±4dBat18.0MHz)(S/N 10dB)MW38±4dB(at600k37±4dBat1,000kHz36±4dB(at1,400kHz(S/N 10dB)LW47±4dBat150kHz144±4dBat200kHzl42±4d8at300kH2Specifications and external appearance are subject to37±4dBat108MHz]change without notice due to procuct improvementImage rejection:FM12±3dBat18MHz).Dolby Noise Reduction System is licensed fromMW42Dolby Laboratories.4dB (at 1,400 kHz)49±4dBat300kHz.Thename "Dolby"and the Symbol are trademarks of Dolby Laboratories.