收到同行送来的故障机壹台海信65E3F液晶电视(NT72691机芯),故障表现为遥控失灵,开机遥控器操作失灵,按键操作正常,更换遥控器故障依旧,拆下遥控接收板820.8441发现R9电阻出厂时贴歪了,应该是批次原因,重新焊好后故障机修到这里,终于修好值得探讨。。 |
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