测量J6 J12的电压,发现有6pcs中有4pcs是-5.5V,客户反馈这个属于异常,有2pcs为0.7V,认为是正常的,帮忙看一下是什么原因
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测量J6 J12的电压,发现有6pcs中有4pcs是-5.5V,客户反馈这个属于异常,有2pcs为0.7V,认为是正常的,帮忙看一下是什么原因