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三星S19B300NW不开机

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Post time: 2013-4-11 14:36:41
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本帖最后由 xxjgl 于 2015-4-8 21:41 编辑

前几天接了个三星S19B300NW的LED显示器。故障是不开机。以为是三星的通病,在一台好的,一样型号的机器上读了个程序写进去了。还是不开机。又把24C16清空。但还是不开机。测试了各个测试点的电压和时钟都是正常的。但就是不开机。郁闷。。请修过这个机型的高手指导下吧。。
板图如下:


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Post time: 2013-4-11 14:39:59
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本帖最后由 xxjgl 于 2015-4-8 21:41 编辑

大芯片很可能是挂了

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Post time: 2013-4-11 14:42:14
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本帖最后由 xxjgl 于 2015-4-8 21:42 编辑

琴键开关,否则芯片挂

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Post time: 2015-12-13 17:08:07
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我现在也是这个问题,修好了吗
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