如果碰到美的电磁炉电源模块SM7028损坏时,如手头没有配件时应急维修可用VIPer12A代换,把VIPer12A倒过来放在板上,用维修时剪下的元件引脚把VIPer12A 5 6 7 8脚这4个脚短接后接SM7028的4脚,把VIPer12A的1和2脚短接接到SM7028的5 6 7 8脚(GND),把VIPer12A的4脚(VDD)脚接到SM7028的2脚(VDD),VIPer12A的3脚(FB)接到SM7028的1脚(FB)。 |
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