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电视黑屏有声音

更新时间: 2021-04-22 00:03:50     

1、显像管能使发送端摄像机摄取转换的电信号,在接收端以亮度变化形式重现荧光屏。

2、显像管出现问题时,屏幕不会出现图像,只要更换显像管即可解决问题。

3、当视频线出现松动,只要重新进行插拔,就能恢复了。显示器屏幕的电源关掉时,显示屏也会黑屏,只要重新打开即可解决问题。

关键词: 电视 声音

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