把不良品产品的IC更换好IC后(录测试OK) 做更换IC试验, 详情如左下图1,
把不良品的IC交换试验装在测试好正常的PCBA后,测试后静态电流电大,从互换IC试验,功能不良品随IC出现,详情参考下右图2
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把不良品产品的IC更换好IC后(录测试OK) 做更换IC试验, 详情如左下图1,
把不良品的IC交换试验装在测试好正常的PCBA后,测试后静态电流电大,从互换IC试验,功能不良品随IC出现,详情参考下右图2