Ｆ９４ -Ⅰ型５００ｍＡＸ光机是北京医用射线机厂８０年代医用产品。该机为双管双床 ,并采用零点投闸可控硅同步触发电路来进行曝光 ,是基层或二级医院遍使用的产品。在使用中出现软故障 ,处理过程供同行参考。故障现象按下手闸Ⅰ、Ⅱ后 ,有时能曝光 ,有时不能曝光。该机摄片 The F94-I 500mA X-ray machine is a medical product of Beijing Medical Ray Machine Factory in the 1980s. The machine is a twin-tube double bed and uses a zero-triggered thyristor synchronous trigger circuit for exposure. It is a product that is used in primary or secondary hospitals. In the use of soft faults, the process for the reference of their peers. Symptom After the hand brakes I and II are pressed, sometimes they can be exposed and sometimes they cannot be exposed. Aircraft camera