家电维修社欢迎你! 美的MC-EP201电磁炉,上电开机后出现提锅具时 “不报警不加热”【故障】;测比较器LM339第7脚同相输入端,第8脚反相输入端对地+3.2V电压偏低(第7脚+4V为正常,第8脚+0.8V为正常。)经检查发现贴片电容器C8漏电损坏,更换电容器C8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 |
|Archiver|手机版|家电维修论坛
( 蜀ICP备19011473号-4 川公网安备51102502000164号 )
GMT+8, 2025-7-18 00:05 , Processed in 0.123764 second(s), 18 queries .
Powered by Discuz! X3.5
© 2001-2025 Discuz! Team.