PDM中波发射机故障诊断与实例分析  

Fault diagnosis and case analysis of the PDM medium wave transmitter

作　　者：曹小兵 周娟 CAO Xiaobing;ZHOU Juan(Ji’an 841 sets,Ji’an 343000,China;Ji’an 802 sets,Ji’an 343000,China)

机构地区：[1]吉安841台,江西吉安343000 [2]吉安802台,江西吉安343000

出　　处：《电声技术》2019年第12期48-49,52,共3页Audio Engineering

摘　　要：随着改革开放的发展,广播电视,新闻媒体越来越受重视,PDM中波发射机由于其价格低廉,安装调试方便等特点而被广电系统广泛使用,由于电子产品在长期的使用过程中,往往会出现这样或那样的故障问题,对于身处一线的技术人员,必须要拥有扎实维修维护本领。本文主要结合自身的维修经验介绍了发射机故障诊断方法,并结合实例进行说明,使大家能够快速掌握,提高处理故障能力,增强维修维护本领。With the development of reform and development,more and more attention has been paid to radio,television and news media.PDM medium wave transmitter is widely used in radio and television system because of its low price,convenient installation and debugging.Due to the long-term use of electronic products,this or that kind of failure often occurs.For technical personnel on the front line,they must have a solid maintenance book.Collar.This paper mainly introduces the transmitter fault diagnosis method combined with its own maintenance experience,and illustrates it with examples,so that everyone can quickly grasp,improve the ability to deal with faults,and enhance the ability of maintenance.

关 键 词：广播电视 PDM发射机 故障诊断 实例 

分 类 号：TN948.53[电子电信—信号与信息处理]