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电视打开屏幕成蓝色是怎么回事
更新时间: 2020-10-26 00:00:00  

1、电视机无信号输入,会自动开启屏保呈现蓝屏模式;

2、电视机蓝枪电流过大,蓝枪电子束过强,会造成蓝枪视放管损坏,蓝枪阴栅短路,使电视机呈现蓝屏状态;

3、电视机颜色解码电路故障,造成色解码不正常呈现蓝屏;

4、电视机显像管老化,红绿两色荧光粉烧坏,电视也会呈现蓝屏状态;

5、电视机显像管老化,红绿两色电子枪灯丝发射能力过低,会使电视呈现蓝屏状态;

6、电视机显像管红绿两色电子枪灯丝电压不正常、过低或者无供电,电视机同样会呈现蓝屏状态。

关键词: 电视 打开 屏幕 蓝色 怎么 回事

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