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华硕k40af笔记本电脑不开机

2025-04-01 21:50:07

推荐回答（3个）

回答1：

找找原理图，检查上管电压从哪里来的，一步步检查看看哪里断了或者那个开关芯片等没有控制信号等。这个只能从原理图或者实际电路板上找找。

回答2：

你这里的0.12是指电流？单位是MA还是A?
没有图纸别人很难分析。

回答3：

这个看不到,没办法知道。就算我在这边指导你修也许会有什么差错，反而弄巧成拙那就不美了。建议去专业修理店修，专业的就是好。望采纳

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