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116问答网 > 海信电视机打开后，先是蓝灯，几秒后变成红灯，为什么，还开不了机

海信电视机打开后，先是蓝灯，几秒后变成红灯，为什么，还开不了机

2025-03-16 06:30:40

推荐回答（3个）

回答1：

待机状态，按电视后面的开机按钮（不是电视下面的电源开关）和摇控器的开关键效果相同，若还是不行，就联系售后吧。

回答2：

脉冲电源故障。
送修吧

回答3：

应该是背光坏了，主板反馈保护性断电，如果拔掉逻辑有声音，多半是背光灯。检查背光灯，刷机，电源板，主板，逻辑板。

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