<p>三丧75寸电视突然发现有暗影？红白蓝绿黄背景下看不到 只有在灰色背景下明显？请高手看看！看了一年半了。<br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/pwwe41d3t5y1034.png" width="560" height="746"/><br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/14knuvvvbcv1035.png" width="560" height="420"/><br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/zhwz0ouuhli1036.png" width="560" height="420"/><br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/dqgep1r15up1037.png" width="560" height="420"/><br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/mkrmq0om5bc1038.png" width="560" height="420"/><br/><img class="BDE_Image" src="https://static-wenda.zhaihai.com/data/attach/2020/0907/ha3p2ootrwr1039.png" width="560" height="420"/><br/> </p>