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Ａ８１２型立体声录音机磁带张力的调整丁秋娥（中央人民广播电台）近一段时间，我在维修Ａ８１２立体声录音机的过程中，对磁带张力的调整，摸索到了一种调整方法，在此介绍仅供参考。（１）磁带张力传感器工作电压的偏差与增益值的调整传感器上的电压高低与张力大小成反...
A812 Stereo Recorder Tape Tension Adjustment Ding Qiu’e (CNR) Recently, during the process of repairing the A812 stereo recorder, I found a way to adjust the tape tension. This introduction is for reference only. (1) tape tension sensor operating voltage deviation and gain value adjustment sensor on the voltage level and the tension of the ...