The Principle and Breakdown Repair of Driving Circuit of TEM Fluorescent Screen

Abstract

文章介绍了JEM-100CX(II)透射电镜荧光屏驱动部分的电路原理、常见故障、检修及用国产直流12V电机与电阻串联的组件代替仪器上直流24V电机原件方法。In the paper,the circuit principle is introduced and the common damage of the driving part of TEM fluorescent screen is analyzed.A method of substitution of the motor with DC 12 V,contact to aeries resistance for the motor with DC 24V is used.It is obvious that the method is simple and effect