所谓“自动搜索不良故障”即彩电在自动选台后出现收台少或不存台且图像不清晰现象,此种现象,为检修中的常见故障,造成此故障的原因是多方面的,但按常规经验分析,对于三年以上的机器检修人员大多仅需调整或代换38 MHz及AFC中周即可解决问题。但 The so-called “automatic search bad fault” that TV stations in the automatic channel selection after receiving less or no station and the image is not clear phenomenon, this phenomenon is the maintenance of common faults, causing the failure for many reasons, but According to conventional experience, for more than three years, the majority of machine maintenance personnel only need to adjust or replace 38 MHz and AFC week can solve the problem. but