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请问下，有什么可能原因导致NTC阻值变大到28K(正常是10K)
大电压或者ESD都有可能
是指外部给的大电压还是？电压是怎么形成的回路？
你是直接把NTC吹下来测量的吗？通常NTC坏的概率很低
在PCM板上测量，阻值偏大，拆下来单独测NTC也是阻值偏大。
