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bi8akt:[图片]时老师,我是从其他HAM收的KN-BOX,最近发现,发射时,按PTT,继电器有切换声音,但是一旦我开始对着手咪讲话,继电器狂响动。重新焊接了手咪引脚,还是这样,电路图看了不是 .. (2018-07-06 15:32)
BG5DLV:二极管都是 4148 ,很常见的管子,你更换试试 (2018-07-06 16:24)
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