This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

求教TPA3112评估板问题,亟需解决!



我的TPA3112评估板现在在有输入信号的情况下一上电会短暂的正常发声,然后电源电流快速降低至零,而音频信号也相应消失。而在无输入信号的情况下,一上电喇叭会发出一下pop声,之后也无音频信号输出。这种情况是板子坏了吗?还是评估板上元器件损坏?而且板子不能更换了,有解决方法吗?