在晶体的pin上无波形。进行如下的测量:
1、 测量电源pin的电压都正确;
2、 测量Pin7的电压为0.97V。(注:规格书上未说明)
3、 测量Pin9的电压为0.7V。(注:同上)
4、 测量Pin37和Pin38的电压为0.65和0.5V,且无波形;
5、 测量pin30上无波形;
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