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.
确实不正常
不过器件也没有那么容易坏的.
先查查电路焊接, 各引脚的电压, 特别是 8(Vo1), 再做分析