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AM3359过热

Other Parts Discussed in Thread: AM3359

AM3359温度过高。空板子,不烧任何程序就热。

做了5块板子,只有一块正常。

测量了一下电源,发现Vdig2 和VDac 的对地阻抗和正常的不一样。

是焊接短路了还是cpu有问题?还是硬件设计问题?

请帮忙分析一下。

谢谢。