本人就几年来维修长虹 C2919PS 型彩电遇到的常见“通病”加以总结,省去了故障原因分析和测量数据方面的环节,读者只要针对性地直接对症下药即可迅速排除故障。“通病”举例如下:例1 故障现象:(1)从 AV 端子输入信号主画面的图、声正常,接收不到电视节目;(2)图像时有时无, I over the years to Changhong C2919PS-type color TV common encountered “common sense” to be summed up, eliminating the need for fault analysis and measurement data aspects, the reader as long as the targeted direct remedy can quickly rule out the fault. Example of “common problem”: Example 1 Trouble phenomenon: (1) The picture of the main screen of the signal input from the AV terminal is normal and can not receive the television program; (2)