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當您打開電視時,電視內部的組件開始運行並可能發出咔噠聲。
➔ 如果您按下遙控器上的電源開啟按鈕,電視會為內部單元供電。
此時,稱為繼電器的裝置開始工作並發出咔噠聲。
當您關閉電視時,也會聽到類似的聲音。
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