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(2)检查接在场效应管的G与S极间的限幅二极管是否击穿,并用WO5Z158(即15V稳压二极管)代换。如:长虹CH-10机心的VD840。
(2) Check whether the limit diode between G and S pole of the field effect transistor breaks down and replace with WO5Z158 (that is, 15V Zener diode). Such as: Changhong CH-10 movement VD840.