Switching power supply has no voltage output, teach you a quick check method

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Switching power supply has no voltage output, teach you a quick step-by-step inspection method, worth collecting for novices

[@lww3988]

講解的明瞭簡單!厲害的老師傅

[@user-hy9lj9vz4g]

哇！講的好仔細的教學丫👍👍👍

[@buddha2]

怎麼知道電容不夠?

[@kingwu517]

電容300v，那如果110V的電源電容上是否也是300v呢？