! 测CPU③,④脚电压,在【故障】出现时有微小波动。原因是CPU(M50453-012)③,④脚外接字符振荡电路中VR079接触不良。更换后恢复正常。 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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