首先清洗激光头,无效。怀疑激光头损坏,经代换后故障依旧。仔细观察,发现无论放入何种碟片,碟片旋转时皆有一定摆幅。检查碟片夹持器,无异常。怀疑主轴电机有故障,经同用型号主轴电机代换后试机,故障排除。 |
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