故障表现为:背光亮黑屏 检修及分析:背光亮黑屏,用遥控可以开关机,测屏供电有,但LVDS数据电压有的为正常1.2V,有的只有0.3V不正常,更换存储器U201(24C32)后故障机修到这里,终于修好值得探讨。。已发现多例。 |
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