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乐视电视机三合一一体板，故障检测与维修方法，这种结症很少见
网友发来一块乐视电视机三合一主板，通电不开机，修板不重要，学习维修方法才是关键，小哥满足要求，这种故障很少见
液晶电视机常见故障，原理与维修，合集50/87
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