Aiwa-TPR950-tape-维修说明书手册含电器原理图

BAND STEREO RADIO CASSETTE RECORDERMODEL NO.TPR-950EKAIWA【SERVICE MANUAL】Shown above is TPR-950KDATE OF ISSUE 9/1978SPECIFICATIONSGENERALFM stereo separation:305 dB (at 1 kHz)Semiconductors:4 IC's,1 FET,45 transistors,Antennas:19 diodes,3 LED'sPower Source:Batteries DC9V (UM-1x 6)AC 120V/220V (E model)TAPE RECORDER SECTIONAC 120V/240V (K model)Tape speed:4.76 cm/sec.±2.5%(switchable)50/60 HzRecording systemAC biasPower consumption:17W (E model),20W (K model)98gErasing system:AC eraseSpeakers:WoofarRecord bias frequency:54.5 kHzTweeterDistortion:Less than1.7%(PB)Demension:490W0×370H)X130D)mmLess than3.0%(REC/PB】Weight:7 kg (including batteries)Frequency response:Normal (LH)tape:50~12,000 HzSupplied accessories:AC power cordCrO,tape:50-14,000HzCassette tapeFe-Cr tape:50-14.000H2Batteries (SUM-1)×6Signal to noise ratio:More than50/46 dB [DC/AC](PB)Head cleaning stickx 1(Un-Weighted)More than43/42 dB iDC/AC](REC/PB)Erasing ratio:More than 55 dBRADIO SECTIONSeparation:More than 35 dB (REC/PB)Circuit:SuperheterodyneMaximum output power:Frequency range:FM87.5-108MHz9.4w(4.7W+4.7W)SW15,7-18.5MHzHeadsFerrite guard head (FGH)SW,5.8~6.5 MHz (49 m Band)MW515~1650 kHzFF rewind time:80±5sgc】Automatic stop system:LW145~320 kHzMechanical full auto stopIntermediate frequency:Automatic shut-off action time:FM 10.7 MHzLess than 10 secSWSW.MW.LW 455 kHz (E model)Pinch roller pressure:300±30gMW,LW 468 kHz (K model)Sensitivity:43d8 lat 88 MHz)Wow Flutter:Less than0.09%(WRMS】Take-up torque:50±10g-cmINTo33dBat98,108MHz】SW28±5dB(at5.9MHz)FF rewind torque:10089em20±5dB{et12.18MHzl(at S/N 10 dB),28±5dBat5,95.6.1,6.2MHz(at S/N 10 dB)MW48品2o0kd(at S/N 14 dB)LW53±5dB{at150kHz.The specifications and externalappearance of this set are50±5dB(at220,300kHz)subject to change without prior notice.