VCD影碟机是集光、电、机为一体的数字化音像重放设备。它和传统的模拟电器相比,有许多质的区别。如果检修时仅借助一块指针式万用表,是远远不够的。用示波器检修、调试VCD机是既理想而又科学的方法,但对于多数业余爱好者来说,却缺乏这样的条件。数字万用表具有内阻高、精度高和小巧方便等优点,因此怎样用数字万用表检修VCD机,是一项值得探索、 VCD player is a set of light, electricity, machine as one of the digital audio and video playback equipment. Compared with the traditional analog electrical appliances, there are many qualitative differences. If the repair with only a pointer multimeter, is not enough. Oscilloscope repair, debugging VCD machine is both ideal and scientific method, but for most amateurs, but lack of such conditions. Digital multimeter with high resistance, high precision and compact and convenient, so how to use digital multimeter repair VCD machine is a worth exploring,