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三星UA65F9000AJ液晶电视图像有水印干扰

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Post time: 2019-7-24 11:42:02
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接修一台三星UA65F9000AJ液晶电视,故障是图像出现红色的水印干扰,操作菜单无发现水印和拖尾现象,把色饱和度调到最低为黑白图像,水印消失,开始怀疑是排线和逻辑板的问题,清洗排线无效,网购了逻辑板,倍频板,排线,逻辑板到屏的屏线,代换了均无效,请教一下各位,这是屏的问题吗?还是主板前级信号处理的问题呢?




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Post time: 2019-9-28 21:45:51
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这个主板是BN41-01950C吧,我这经常修
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