家电维修社欢迎你!美的MC- SH208电磁炉,上电开机后控制板上出现“乱码”【故障】;测整机+305V、+18V、+5V对地电压均正常。经检查发现电网电压检测电路取样电阻R7(240KΩ/2W)变值,更换电阻R7后整机正常。友情提示,文章来自互联网收集,欢迎你到论坛技术交流请点击这里www.jdwx.cn |
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