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是不是同一型的,要是同一型的,你要看3842的6脚的电阻一班10欧15欧特殊的呀150欧的和200欧的,还有取样电阻有,05欧的0.33的,这些一但弄错了就的烧
是整流二极管吗 如果是建议你换电源管试试
电源管是场效应管吗
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