收到同行送来的故障机壹台九阳C21-SC611电磁炉，故障表现为是烧不到5分钟就停的维修，拆机从78L05的输入级从待机的13.5v到开机的6v就停机，正常应该是从待机13.5v到开机的8v，换2226电源模块后正常，试机一切也正常，故障修复。   |
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