! 测整机供电电压正常,将万用表拨至R×100挡测脉宽调控电路基准取样电压电阻,发现R25开路。更换R25后,【故障】排除。友情提示,该文章源自互联网收集,欢迎你到论坛与大家技术交流请点击这里 www.jdwx.cn |
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