推荐回答(3个)
修电脑很少用到万用表的 尤其是cpu和内存 根本就不能用万用表测量的 非常容易造成损坏 主板还是可以测量一下的 一般也就是看看有没有断裂点 或者看看电容电阻之类的有没有损坏 万用表有很多档位 楼上有一个说的很好 一般万用表有测量电阻的 单位是欧姆 还有测量电容量的 单位是法拉 还有测量交流电和直流电的 单位都是伏特 还有测量电流的 单位是安培 等等 这个必须要经过系统的学习才能够逐渐掌握 不是自己随便买一个万用表就什么都可以修的
维修不是那么简单 要学习的东西很多 万用表你说的2m、200m.......那个事测量电阻的 还有ac是测量交流电压的 dc是测量直流电压的 还有一个蜂鸣档是测量二极管、三极管的 万用表一般只能测试供电是否正常 好多故障要靠经验来判断的
别乱点了 别人点是知道原理图和PCB图纸的 并不是随便点的,小心点不好给短路了 能响几下是万用表的通断档位 检测是否通路,如果断路的话就说明有个东西烧了(应该通路的) 或者测量电阻什么的,不是一时半会能交的会的
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