论文部分内容阅读
随着电化教学的不断发展 ,彩色电视机作为集声光于一体的电教终端设备已得到相当普遍的应用 ,在使用中故障率较高。笔者根据近 2 0年的电教工作实践 ,结合对电视机电源、行 (场 )输出、中放、解码电路的常见故障维修实例 ,谈谈常见故障的维修方法 ,仅供参考。例 1,一台北京牌Ａ
With the continuous development of electrochemical teaching, color television set as a set of audio-visual terminal equipment in one has been quite common applications, the failure rate in use is higher. According to nearly 20 years of teaching practice, combined with the TV power supply, line (field) output, release, decoding circuit common fault repair examples, talk about common fault repair methods, for reference purposes only. Example 1, a Beijing card A