SonyTC777serviceGuide维修电器原理图手册

TC-777SSpecificationsPower Requiroment:85 Watts,100-117 Volts AC,60 c/s 50 c/s optionalTape Speeds7-1/2 ips or 3-3/4 ips,instantaneous switchingFrequency Response30-18000 cps at7.1/2p5+2dB4015,000 cps at7.1/2ips30~13,000 cps at3-3/4ipsSignal to Noise RatioBetter than 50 dBFlutter and WowLess than 0.12%6 at 7-1/2 ipsLess than 0.1806 at 3-3/4 ipsBias FrequeneyApprox.90 KcLevel IndicationVU Meters,calibrated to 0 dB at 12 dB below saturationInputsMicrophone -65 dB 0.44 mV )600 unbalanced1ine-12dB10.2V1,10K2(unbalanced】Rec/PB Connector DINOutputsOulput [switched)0 dB 0.775 V),600 unbalanced0dBI0.775V1,10K2.【wbalanced】Binaural Monitor -3 dB (0.55 V],10 K (unbalancedMotors1-Hysteresis-synchronous 2 speed drive moto2-Four pole induction reel spindle moforsOperating Position:Eitherhorlzontal ond verticalTransistors2SB51【X81,2sB521×14),25C42【X2)Diodes:1T2011【×41,1T20131×1)Dimensions17.5wWX8.7°HX17.9"D(445WX220HX455Dmm}WeightApprox.42 lbs.(19 Kg)SONY(without accessoriesSERVICING GUDE