调频广播发射机故障排查与分析方法研究  

Research on Troubleshooting and Analysis Method of FM Radio Transmitter

作　　者：冯容辉 沈能源[1] 刘畅[1] FENG Ronghui;SHEN Nengyuan;LIU Chang(Jiangsu Broadcasting Corporation,Nanjing 210000,China)

机构地区：[1]江苏省广播电视总台,江苏南京210000

出　　处：《电视技术》2020年第10期21-24,共4页Video Engineering

摘　　要：分析调频广播发射机核心主控板运行原理,介绍调频广播发射机核心主控板故障的分析方法,根据故障现象,基于系统电路原理图,利用外接电源模块给主控板供电,模拟系统工作的环境。此外,引入节点定位法分析故障节点的位置,并提出相关的解决办法。该方法同样适用于分析调频广播发射机其他模块和其他种类的发射机。This article analyzes the basic operation principle of the core main control board of FM radio transmitter,and introduces the fault analysis method of the core main control board of FM radio transmitter.According to the fault phenomenon,based on the system circuit diagram,the external power module is used to supply power to the main control board to simulate the working environment of the system.This article introduces the node positioning method,analyzes the location of the fault node,and puts forward the solution.This method can also be used to analyze other modules of FM transmitter and even other kinds of transmitters.

关 键 词：调频广播发射机 故障分析 环境模拟 电路原理 节点定位 

分 类 号：TN934.81[电子电信—信号与信息处理]