| 故障表现为：白屏有声音 分析与检修：开机测屏供电为5V，测LVDS信号电压都为1.1V左右！怀疑屏逻辑板坏，小心拆开屏逻辑板塑料保护膜！发现F1损坏，继续检查发现C45短路，将其拆掉再测F1一端对地阻值为1K多，正常。安上保险丝开机故障机修到这里，终于修好值得探讨。！  |
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