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本文简要地介绍了电视发射机自动相位控制系统的作用,工作原理和其主要电路构成。重点分析该系统不同部位出现故障的原因所在,根据不同故障现象之间的差异和特点,分析并检测出故障点的方法,以提高检修的质量和速度;在总结检修经验的基础上,更动该系统部分元件参数的原则和技巧,提高自动相位控制系统的功能,以确保安全播出。
This article briefly introduces the role of TV transmitter automatic phase control system, working principle and its main circuit structure. The reasons for the failure occurred in different parts of the system are analyzed emphatically. According to the differences and characteristics between different fault phenomena, the method of fault point analysis and detection is improved to improve the quality and speed of maintenance. On the basis of summarizing the inspection and maintenance experience, Part of the system parameters and principles of components and techniques to improve the function of automatic phase control system to ensure safe broadcast.