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DLP4710evm—lc TRIG_OUT2引脚不输出脉冲信号

user6024673
Prodigy 50 points


用TRIG_OUT2引脚触发相机拍照，前几天还能根据投影同步产生触发信号，这几天再实验的时候TRIG_OUT2引脚就不受控制了，一直输出高电平。TRIG_OUT1引脚正常，能同步产生触发信号。怀疑是控制TRIG_OUT2引脚的某个电阻、电容烧了。请问应该联系谁来检测维修。