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九阳电磁炉显示E0是那里坏了

更新时间: 2020-08-18 00:00:00     

解决方法:

1、开机检查内部排线、线盘引线是否脱落;

2、检查板上的元件是否完好如初,如电阻烧黑;

3、检查焊锡点是否完好,如虚焊、漏焊等;

4、在断电后触摸CPU、LM339是否发热过高;

5、首先将线盘两端引脚拆下;

6、检查+5V、+15V是否正常;

7、LM339脚各电压是否正常;

8、测量R21-R24四个高压电阻是否正常,注意拆下测量;

9、检查Q12-Q15三极管是否击穿或开路等。

关键词: 电磁 显示 e0 那里

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