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富可视IC-50IP800灰屏故障修屏实例

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Post time: 2019-12-1 21:26:59
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接修一台富可视50IP800,开机发现有声音,背光亮灰屏,用TV160试了一下确定是屏幕有问题,跟客户讲清楚维修屏幕的风险后。老套路测试屏幕边板上的五大电压,发现除了VGH和VGL两个电压不正常外,其他电压均正常,断开左右边板连接的两根扁线后发现屏幕右边正常吗,左边是白屏,测VGH和VGL都正常了。网上搜索了一下发现有同行碰到过同样的问题,撕耳朵就可以修复,没敢直接用手撕,特地买了一把新的美工刀,接下来心里还是有点忐忑,沿着屏幕边上就是4刀下去后试机,屏幕真的就亮了!但是屏幕上有横条。反正跟用户讲清楚了,用户也能接受!绿黑黑到手!

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Post time: 4 day(s) ago
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横条可能是没有阉割干净 吧!!
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