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本文叙述了我中心在安装3米卫星接收天线、调试后数字电视信号出现黑屏情况,经过分析试验查找原因,更换所有部件、接收设备等,提出解决措施方案并实施,最后终于找到黑屏的真正原因。贵州省广电局监测中心原使用2米卫星接收天线接收中星6B卫星上的CCTV-1、贵州卫视数字电视节目和贵州卫星数字广播节目进行实时监测,一直以来,在每天24
This article describes my center installed 3-meter satellite receiving antenna, digital television signal after debugging black screen situation, after analyzing the test to find out the reasons for replacement of all components, receiving equipment, put forward solutions and implementation measures, finally found the real reason for the black screen . The monitoring center of Guizhou Radio and Television Bureau originally used the 2-meter satellite receiving antenna to receive the CCTV-1, Guizhou TV digital TV programs and Guizhou satellite digital broadcast programs on the BST 6B satellite for real-time monitoring.