收到同行送来的故障机壹台海尔LD32U3100液晶电视,故障表现为红灯亮,按开机键红灯灭,2、3秒又变回红灯,背光也不亮,检测过程先略掉,后经测是电容漏电导致的,如下图中万用表表笔所在位置,此现象为该机通病故障。 |
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