奥的斯电梯变频器驱动板电压静态测试驱动部分电压标示驱动负压8.7V稳压二极管IW16V驱动光耦A3120驱动电源电压五与八脚间25V驱动电阻2W15欧回馈1W27欧制动单元负压9V光耦A316J左边是4H11G右边是MJD4516脚为9.1V14脚为8.9V地十脚故障脚为低电平8.7V电压0V相互测试都为0V驱动电容7只都是220uF35VK22254746A16V稳压管1.5欧2WF1600VJ15与J2都为14.5VC104为30VC105为30VC26为15VC29为15V均为15V可控硅出发U90VU上0VV上0VW上0VPB驱动0V0V0V0V0V15V-15V0V霍尔U0V霍尔V0V0V可控硅出发光耦U160V0VU下0VV下0VW下V0V0VMM74HC32M8脚信号0V制动单元故障输出0V电压检测2.7V电压检测有关3.26V0V霍尔W0VRESET1.33VMM74HC电源电压7与14脚为0V其它的各各引脚的电压均为0VIN4743稳压管两端为13.1V8.78.7V3330V1LM393引脚电压1P0V2P0V3P2.39V5POV6P2.4V7P0V飞TLO82C引脚电压1P2.54V2P0V3P0V5P0V6P0V7P2.2VTLU12TL082C引脚电压除去电源脚外都是0V111电流检测U11TL082C引脚电压1P2.67V2P1.80V3P1.34V5P-7.6V6P-7.5V7P-13.78V
