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海信电视把信号调没了怎么调回来
更新时间: 2020-08-16 00:00:00  

海信电视调回信号的方法步骤:点击信号源,进入信号源,选择外接设备所接的端口即可。

海信电视信号消失的原因:

故障点一:因视放电路截止造成的满屏回扫线;故障点二:因ABL电路故障导致的亮度失控;故障点三:高压包加速极旋钮松动造成加速极电压高。

关键词: 电视 信号 怎么 回来

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