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笔者在长期的彩电维修实践中发现并总结出:当用万用表测量某些元件引脚时,或者是手拿改锥金属杆部分,甚至只用万用表的一根表笔线触碰这些元件引脚时,发现故障现象会发生较大的变化,而万用表反映出的电压数据与正常的图标值接近。这究竟是什么
The author found and concluded in the long-term TV repair practice: When using a multimeter to measure the pin of some components, or hand to change the metal part of the screwdriver, or even only use a multimeter to touch a table pen pin these components, Found that the phenomenon of failure will occur greater changes, and the multimeter to reflect the voltage data close to the normal icon value. What is this?