故障表现为:三无 故障分析:PE081C0电源板不开机,目测电源板正面发现LF2处明显有烧黑的痕迹 测量保险发现已经开路,拆下LF2发现电感已经烧毁 代换LF2试机故障机修到这里,终于修好值得探讨。(注:在维修中此物料一般比较 难找,在救急的情况下可拆掉此电感短接此电感的两个 输入输出脚) |
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