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电路图如下图，大神帮忙分析下，没搞过音频，比较陌生之前用了一款TPA2005D1没问题，声音小给换成TPA3110D2了就不行了，测量SYN6658合成语音后有信号输出信号是在1.5V左右波动，这个正常，进了TPA3110就没了
亲；查一下12V电压是否够。
12V电压没问题，查了一下，信号进去之后好像被滤掉一样，输出一点都没有，是不是哪里的电容电感没用对~~~
