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手机听筒声音很杂
更新时间: 2020-07-02 00:00:00  

机板有放电现象:清洗、干燥。尾插漏电:清洗、干燥。送话器两极漏电:重焊。更换质量较差机壳引起:更换质量好机壳、或用锡纸作屏蔽,但要注意绝。发射功率过强:在发射信号取样线上加电阻,降低功放功率。音频周边元件虚焊漏电:焊接或者更换元件。

关键词: 手机 听筒 声音

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