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LG E1908ST显示器切换分辨率黑屏已解决。

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Post time: 2015-6-18 15:51:56
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本帖最后由 海纳百川 于 2015-6-18 16:01 编辑

今日接修一台LG E1908ST 来的时候说只能用800*600的分辨率,切换其他分辨率都黑屏,我刚试机的时候用的1440*900并没有黑,但是切换其他的分辨率几秒钟就黑屏了,以为程序有问题,于是插上RT809F,但是提示我无法读取。于是拆机检查,测量电源板没有任何问题,检查驱动板发现D101烧糊了,没有型号,因为是冠捷代工的板子板号715G4032-M02-000-004K,找了一个冠捷的拆机料板拆了一个,其实就是一个三个脚的二极管,更换后试机一个小时,反复切换分辨率OK~!

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 Author| Post time: 2015-6-18 16:03:44
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数据已经有前辈贴出,在此就不重复了
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Post time: 2015-6-23 18:16:59
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楼主辛苦了,但是不知道什么原理
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Post time: 2015-6-23 21:45:07
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说明一下这个二极管的作用那是最好的了。
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 Author| Post time: 2015-6-24 09:51:18
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没有这款的图纸,借用别的冠捷型号的图来看一下这个二极管的作用,ESD供电用的。

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Post time: 2015-7-30 10:33:48
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要是能知道是什么原理最好!
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Post time: 2017-10-28 23:34:41
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谢谢师傅们的分享。
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