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声控灯不亮怎么回事
更新时间: 2020-09-17 00:00:00  

声控信号太弱,应该加强信号;电源停电或熔丝熔断,恢复供电或更换同规格的熔丝;电路连线接触不良,用万用表检查接触不良或短路处,重新接好;传声器损坏,应该更换同规格型号传声器;灯泡损坏,换新的灯泡即可。

关键词: 怎么 回事

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