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TLV320AIC23刚上电时声音很小,需要用镊子触碰一下晶振输入管脚XTI才能正常工作

Other Parts Discussed in Thread: TLV320AIC23

TLV320AIC23刚上电时声音很小,需要用镊子触碰一下晶振输入管脚XTI才能正常工作,如果不触碰就一直声音很小而且有点杂音,用镊子触碰一下XTI管脚,声音突然就会变正常,而且一直正常下去,如果再继续触碰,声音还会时而变大时而变小。

请问,这是啥原因?貌似接触不良,但是已排除虚焊情况了。