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我市某县人民医院1984年安装国产F_(94)—1型500mA X线机。近8年来,机器工作正常。今年7月中旬,Ⅱ台做腰椎正位摄影后。再欲照侧位时,mA表无指示,胶片经冲洗后,见正位正常,侧位未感光。转1台试验时,透视正常,而点片不能进行,按常规检查,Ⅰ台和Ⅱ台X线管大小焦点亮度正常,机器无异常声音和气味。根据上叙现象,可初步判断故障在摄影控制电路。打开控制台,将高压初级V_1、V_2拆
County People’s Hospital in 1984 to install a domestic F_ (94) -1 500mA X-ray machine. The past eight years, the machine is working properly. In mid-July this year, Ⅱ sets of lumbar orthodontics. And then according to the lateral position, mA table no instructions, the film after washing, see the normal position, the lateral position is not sensitive. Turn 1 test, the perspective of normal, but the film can not be carried out, according to routine inspection, Ⅰ Taiwan and Ⅱ X-ray tube size of the focus of the normal brightness, the machine without abnormal sound and odor. According to the above Symptoms, the initial judge fault in the photographic control circuit. Open the console, the high-pressure primary V_1, V_2 demolition