数字电视发射机故障分析与检修  

Analysis and Maintenance of Digital Television Transmitter

作　　者：姚湘平 YAO Xiangping(Convergent Media Center,Pingjiang County,Hunan Province,Yueyang 414500,China)

机构地区：[1]湖南省平江县融媒体中心,湖南岳阳414500

出　　处：《电视技术》2024年第2期32-34,共3页Video Engineering

摘　　要：围绕数字电视发射机的工作原理、常见故障类型及其检修方法进行深入探讨,旨在为相关人员提供借鉴。首先,介绍了数字电视发射机的工作原理。其次,详细分析了数字电视发射机中常见的硬件故障及软件故障,如功率放大器故障、调制器故障及供电系统故障。最后,提出了相应的故障检修方法。This article delves into the working principle,common types of faults,and maintenance methods of digital television transmitters,aiming to provide reference for relevant personnel.Firstly,the working principle of digital television transmitters was introduced.Secondly,a detailed analysis was conducted on common hardware and software failures in digital television transmitters,such as power amplifier failures,modulator failures,and power supply system failures.Finally,corresponding troubleshooting methods were proposed.

关 键 词：数字电视发射机 工作原理 故障类型 检修方法 

分 类 号：TN949.1[电子电信—信号与信息处理]