电路集成化程度越高,引脚也往往越多。更换损坏的集成电路是一项十分艰险的工作,尤其是从多层印刷电路板上摘取它们时,常常会损坏电路的内层接点或纤细的引线。本文介绍一般业余修理方法。 1.方法更换多引脚的芯片可按图1介绍的方法进行。先用小刀 The higher the degree of circuit integration, the pins are often more. Replacing damaged integrated circuits is a very daunting task, especially when removing them from multi-layer printed circuit boards, often damaging the inner contacts or slim leads of the circuit. This article describes the general amateur repair method. 1. Method to replace the multi-pin chip can be introduced as shown in Figure 1. First with a knife