天气预报 > 其他 > 电视机亮度最大还是很暗
电视机亮度最大还是很暗
更新时间: 2020-10-26 00:00:00  

这应该是显像管加速极电压偏低的原因。

可以打开机箱后盖,将高压包(行输出线圈)输出电压进行调节,调节过程中先将亮度、对比度、色度调在适中的位置,然后再调整电压,观察显示屏亮度到自己满意的程度,即可以消除故障现象。

关键词: 电视机 亮度 还是

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