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191问答库 > 康佳老电视通电后屏幕没有显示是什么原因呢？

康佳老电视通电后屏幕没有显示是什么原因呢？

2025-03-16 00:30:55

推荐回答（1个）

回答1：

打开电源升关后屏不亮的原因较多:
①电视机处于待机状态，仅指示灯亮，按一下待机键(电源键)即开机;
②电源指示灯亮，屏不亮灯丝亮，显像管管座受潮，换管座;
③指示灯亮灯丝不亮，行没工作、行变换坏、场块坏;
④指示灯不亮，本机电源有故障或行管已击穿。

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