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功放如何加装耳机输出
更新时间: 2020-10-25 00:00:00  

方法:

1、从前极引出,不能从喇叭接。因为内部的开关3.5插口能容纳的电流很小,平时不用耳机时喇叭线要通过这个“开关”很容易烧毁;

2、可以从音量电位器两端,甩掉中间焊片引出,在适当的位置划断线路板铜箔。如果电位器是使用导线连接,则不用割断线路板,只需将插座开关触点的“动片”接信号线一端,“定片”接电位器非接地端,插座的公共地线接功放地即可。当插头插入后自动断开原功放,耳机即可发声。

关键词: 功放 如何 耳机 输出

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