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MS638串口关闭维修一例

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Post time: 2021-4-26 21:13:23
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本帖最后由 达州液晶屏维修 于 2021-4-26 21:27 编辑

乐华49U2200  开机显示系统损坏,主板T.MS638.782 打印显示串口关闭,乐华 TCL  东芝均用此板。emmc飞线 CLK  CMD   D0  地, 断开CLK与主芯片的电阻,晶振短接接地,主板上电。
打开809H   选择EMMC_ISP_MST_UART_ON,点击 写入,即可打开串口。
file:///C:\Users\Administrator\AppData\Local\Temp\ksohtml3572\wps2.pngfile:///C:\Users\Administrator\AppData\Local\Temp\ksohtml3572\wps3.pngfile:///C:\Users\Administrator\AppData\Local\Temp\ksohtml3572\wps4.jpg

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Post time: 2021-4-27 08:18:01
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本帖最后由 王绍恩 于 2021-4-27 08:20 编辑

谢谢楼主分享T.MS638.782位点图!

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Post time: 2021-4-27 09:33:44
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感谢分享!!!论坛有你更精彩!!!
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Post time: 2021-4-27 09:47:04
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感谢分享!!!论坛有你更精彩!
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Post time: 2021-4-27 22:27:17
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感谢分享!!!论坛有你更精彩!!
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Post time: 2021-4-28 07:49:22
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6.7秒就把程序写进去了。
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Post time: 2021-5-1 18:09:55
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谢谢楼主的好经验分享
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