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电视台在播送节目前,先播放彩色电视测试卡图案,业余无线电爱好者可借助它来调整、检修电视机。在有些文章中给出彩条畸变图案及其故障原因(见表1),作为修理彩电时的参考。由于彩条畸变形式多样,超过表1的内容,因此,很有必要对表1中彩条畸变的形成加以分析,引伸到其它彩条畸变现象,从而分析出彩电故障的原因。
Before broadcasting the program, the television station broadcasts the test pattern of the color TV card, amateur radio enthusiasts can use it to adjust and repair the television set. In some articles are given color bar distortion patterns and causes of failure (see Table 1), as a reference when repairing color TV. Due to the variety of color bar distortion, more than the contents of Table 1, it is necessary to form the color bar distortion in Table 1 to be analyzed, extended to other color bar distortion phenomenon, to analyze the causes of color TV failure.