1.遥控器的电池电量低：更换电池就可以。
2.观察电路板元器件焊脚有没有松掉、锈蚀：可以尝试重新装一下。
3.元器件毁坏：需送修或重新购买。
4.机顶盒的红外线接收头坏了：需要更换红外线接收头。
5.遥控器的电路板出现异常：需重新更换一把相符的遥控器。
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