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三星无图

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Post time: 2019-3-7 08:38:51
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请问大家有没有碰到UA65ES6500J无图有声,开机有LOGO,跟着灰屏,之前买了测屏仪单独测逻辑板和屏正常显示,怀疑主板故障,检查不到故障件,也没有主板测试仪就求助X宝,店家说板没问题,回来不服,自己买个TY160测,果然有可以正常显示,接回机器就是无图,求解,
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 Author| Post time: 2019-3-7 11:42:35
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找不到这程序
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 Author| Post time: 2019-3-7 11:44:27
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在X宝买个逻辑板换了也一样,主板用TV160试正常工作
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Post time: 2019-3-7 13:46:41
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查查屏的各个主要电压是不是正常。
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 Author| Post time: 2019-3-7 14:21:12
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名品电器维修 2019-3-7 13:46
查查屏的各个主要电压是不是正常。

VGH有logo时有27伏,很快变成0.6伏左右,无图,VGL保持负7伏,试过脱开屏也一样,这机年前接修,一直找不到原因,单独接检测仪试主板和屏都正常,前几天试过突然正常了,但关机后重新开机又不行了。
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 Author| Post time: 2019-3-9 15:47:32
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刚刚试了又好了一回,关机又不行了,没招,这机数据怎样都找不到
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