彩色电视机在使用过程中,易受灰尘和油烟的污染,外壳及荧光屏因静电作用比较容易弄脏,同时由于彩电的外壳有很多散热孔,灰尘与油烟也很容易进入机内。如果油烟灰尘积累过多,一遇上潮湿天气就很容易引起电路板漏电、短路,使图像质量下降,甚至导致短路性故障。笔者在维修彩电过程中发现,很大部分彩电故障都是由此引起的。因此想要减少彩色电视机的故障 Color TV in use, vulnerable to dust and fumes pollution, the shell and screen due to static electricity easier to dirty, and because the TV shell has a lot of cooling holes, dust and fumes are also very easy to enter the machine. If the accumulation of fume dust too much, a case of wet weather can easily lead to circuit board leakage, short circuit, so that the image quality decline, and even lead to short-circuit fault. The author found during the maintenance of color TV, a large part of the color TV are caused by the fault. So you want to reduce the color TV malfunction