| 收到同行送来的故障机壹台美的EG823LC2-NA微波炉,故障表现是无显示。拆开机器,经查E100电容4.7uF/400V有电,E101的没电,开关芯片LNK364PN之后12V/5V无直流电压跟换L101绕线电阻22.2K(原阻值开路)。更换之后机器正常,原路装回试机正常。 |
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