May 2021 1 44 Report
請問一下如何用示波器去用探棒查看電路版哪個原件壞掉,是不是電路板先通電直流12V/另一種電路板先通電交流110V/220V壞掉,用示波器負極之線接地,接著用示波器正極之線觸摸電路板哪個元件壞掉嗎?

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