高清数字电视一体机的信号调试及故障排除

摘要

Combining with an example , elaborated on hd digital TV multifunction debugging process and trou-bleshooting solutions , including:how smart card and apparent tight card correct insertion multifunction , how to channel search , important it is discussed how to solve a certain frequency digital TV receiving is not complete and picture to get stuck , problems such as Mosaic .%结合实例详细阐述了高清数字电视一体机的调试过程及故障排除方案，包括：如何将智能卡和视密卡正确插入一体机中，如何进行频道的搜索，重点论述了如何解决某一频点上数字电视节目接收不全及画面卡壳、有马赛克等问题。