Cut off power supply check signal the feedback loop is switched on, the voltage is normal or not.

切断电源检查信号反馈回路是否接通，电压是否正常。

youdao

Cut off power supply check signal the feedback loop is switched on, the voltage is normal or not.

切断电源检查信号反馈回路是否接通，电压是否正常。

youdao