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三星UA55JU50SWJXXZ京东方屏CY-GJ055HGEV2H(HV550QUB-B10)灰屏故障

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Post time: 2020-10-6 21:04:17
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今天接修一台三星UA55JU50SWJXXZ京东方屏CY-GJ055HGEV2H(HV550QUB-B10)灰屏故障,断开左边边板右边能显示正常图象,测逻辑板的VON(30V)及VGL(-8V)等都正常,接上左边排线就灰屏且VON VGL电压都是0V,用表检测无明显短路,经试用胶带断开排线VON电压左边能显示图象但很淡,右边图象仍正常,请教有办法修复吗?再问此屏能撕耳朵修复吗?

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Post time: 2020-10-12 20:41:04
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把有故障的那边的Y撕了嘛
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Post time: 2024-7-2 16:42:15
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这个屏幕右耳朵吗?想问一下,今天遇到一台相同机器,热机后图像下部巴掌宽跳动,现在也怀疑是左边短路作怪,想去掉耳朵试机,因为万一没有耳朵,就难得去拆开了?现在我分别断开在试机,确定故障范围。

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