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本文就电视维护中出现马赛克故障,分析了产生马赛克故障的原因以及解决办法。在我们日常的数字电视维护中,最常见的故障就是系统无信号或者电视图像产生马赛克现象。而马赛克现象是我们在维修过程中比较常见的故障。信号产生马赛克的原因也有很多,比如输入信号过高或过低、-9或-5头接触不良、用户家里线路安装不正确或使用劣质分支器导致阻抗不匹配等。如
In this paper, there is a mosaic fault in the TV maintenance, and the reasons and solutions to the mosaic fault are analyzed. The most common breakdown in our daily maintenance of digital television is the lack of signal or television image mosaic. The mosaic phenomenon is more common in the maintenance process of the fault. There are many reasons for the signal mosaic, such as the input signal is too high or too low, -9 or -5 poor contact, the user home line is installed incorrectly or use inferior branching device leads to impedance mismatch. Such as