家电维修社欢迎你!美的MC-EP201电磁炉,上电开机后出现“不报警不加热”【故障】;测整机+305V、+18V、+5V对地电压均正常,测比较器LM339每脚对地电压均正常。经检查发现贴片三极管Q6、发射极E与集电极C之间击穿。更换贴片三极管Q6后【故障】排除。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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