收到同行送来的故障机壹台政府发放的九洲牌村村通机顶盒,故障表现是面板上的数码管时亮时不亮,类似接触不良,拆机机器,检查电源板,发现开关变压器次级有两个引脚虚焊,补焊后故障机修到这里,终于修好值得探讨。。 |
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