| 收到同行送来的故障机壹台从同行转修过来的杂牌电饭煲,故障表现为通电后显示屏指示灯呈流水循环,数码管从1到9依次循环,拆开电饭煲,经逐一排查,发现几个发光二极管反向漏电,更换发光二极管后故障修复。 |
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