彩电的“应急修理”是一个比较宽泛的内容,在一定程度上讲,所谓应急修理也即是元器件或局部电路的代换、改进与应用。诸如:上门维修时间的局限性、元器件短缺或者查明了故障原因和故障部位,但一时难以找到故障元件以及个别电路先天设计考虑不足,导致某一故障反复出现等,因而 Color TV’s “emergency repair” is a relatively broad content, to some extent, the so-called emergency repair that is the replacement of components or local circuits, improvements and applications. Such as: home maintenance time limitations, the shortage of components or identify the cause of the malfunction and fault location, but sometimes find it difficult to find faulty components and individual circuit design deficiencies, resulting in a recurrence of a fault, etc. Therefore