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欧尚导航没声音主机哪里坏了

更新时间: 2021-04-16 00:47:28     

1、从主控板到功放板之间的排线及接插针脚接触不良。如果是能开机,能操作,所以机器的外接线束及接插件也正常,导航,收音,蓝牙能正常操作表示软件及主控等硬件没有问题,那么接触不良的可能非常大。

2、功放IC的脚与PCB板的焊点有异常,尤其是电源脚。重新补焊一次。

关键词: 导航 声音 主机 哪里

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