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lm4673功放声音过小

Other Parts Discussed in Thread: LM4673

请问lm4673功放出来的声音很小,调节放大倍数的电阻声音无明显变化,调节隔直电容,声音也没有变大,这是怎么回事。lm4673在生产过程中怎么提高良品率