收到同行送来的故障机壹台创维39E500E液晶电视，用户反映正常收看时听到啪一声就三无，开机检查电源板保险烧坏，电源无明显短路，测量各管子基本正常，无意中看到C3烧个洞，拆下量漏电，代换后正常。  |
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