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开关电源运行变压器有滋滋声，一般3个点爱引起这个故障，来看下

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

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用三种仪表给大家示范，开关变压器好坏的测量方法！

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The output voltage of the power board is low, teach you a trick to quickly find out the problem

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开关电源变压器损坏如何判断好坏？教你一招

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The load capacity of the switching power supply is poor, just replace it and fix it

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教你制作开关电源检修工具，用一个灯泡就可以避免电源短路

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The wire plug is disconnected from the root, teach you how to fix it, more durable than new

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通过实际电路，轻松学习反激式开关电源1

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Do not throw the button battery dead! 1 small trick to charge it, 3 minutes is more than a new batte

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Don't throw away your phone's charging cable if it's broken! A small coup is worth 100 times

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动力电池上的3C、5C、20C到底是什么意思？

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开关电源损坏，小陈理论加实践，教你怎么修好它

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插座配線接反-火線與中性線正確嗎? 如何偵測配線正確? 電器能用只是不安全

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《全程维修开关电源，无剪辑》修单端反激式多路输出的开关电源，详细分析一下电源的结构和原理

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开关电源输出电压低不稳定，用示波器快速锁定故障范围

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TL494开关电源无输出，用这个窍门检测快速判断故障，省好多时间

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TL494开关电源无输出，芯片无启动电源，三极管自激部分检测第2集

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怎么测量与判断变压器开路、局部短路等常见故障？

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开关电源输出电压低，只需测量一个电压，立马锁定故障点

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How should the switching power supply be tested before it can be powered on?

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Understanding of switching transformers and analysis of secondary output circuits

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集成灶不通电，开关电源变压器损坏怎么维修？一招解决

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信平電子變壓器：開關電源原理及維修技巧

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搞懂变压器调压，点赞收藏学习~

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How to quickly repair a switching power supply? High frequency transformer

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开关电源变压器线圈损坏，为何只有数字电桥，能准确判断线圈好坏

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