论文部分内容阅读
一台长虹 H29K60型彩电,据用户反映,故障初期,有时能开机收看,有时不能开机,但多次开/关电源开关后,才能开机收看。带病收看一段时间后,就无法开机了,但红色电源指示灯发亮。从故障程度逐渐加重的特征入手分析认为,是某个元件性能和参数变差。指示灯发亮,不能开机,故障
A Changhong H29K60-type color TV, according to the user to reflect the initial failure, sometimes can watch boot, and sometimes can not boot, but many times on / off the power switch, the boot to watch. After a period of sick watching, it can not boot, but the red power light is lit. From the gradual increase in the severity of the characteristics of the start analysis that is the deterioration of a component performance and parameters. Indicator light, can not boot, fault