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先科LED-40V600液晶电视无任何反应 电源板输出供电都用示波器抓了很平稳 感应控制面板的待机键触摸灯不亮!是那部分故障求教。

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Post time: 2019-1-11 11:43:04
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如题---先科LED-40V600液晶电视通电无任何反应.打开壳子测电源板输出链接座各个供电都用示波器抓了很平稳,只有PS-ON DIM无背光开启(强制开启背光OK的).
感应控制面板的 待机键触摸灯不亮!其他按键触摸各自分别都会亮灯。
主板印刷号是715G4611-M02-000-004K
贴的标签是TXBCB02D1200003T0P:A MB:A

——————求指教是哪部分的故障---在此感谢..................----


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 Author| Post time: 2019-1-11 11:47:48
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哪位师傅此主板图纸给一份更好,CPU是MT5301BCNU 1140-BWSL BTPBP608 也没找到芯片PDF。。。。。。
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 Author| Post time: 2019-1-11 13:11:14
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是在电视播放电视中突然屏闪烁了几次后黑屏了,再开机就无反应了!应该不是系统数据出问题了.....
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Post time: 2019-3-13 11:51:02
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主板各DC/DC电压测下
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