1、斷開于磁控管相連電路。（關機斷電後，等一分鐘讓高壓電容自然放電，然後拔下和磁控管相連的插頭。）
2、用萬用表×1Ω電阻檔測磁控管插頭兩端（内部和燈絲相連），應小于1Ω。
3、用×10k電阻檔測磁控管插頭對磁控管外殼電阻，阻值‘無窮大'才可能正常。否則就是必定壞了。
微波爐磁控管好壞判斷
更新时间：2025-11-23 05:11:46
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