R-500型X线机电路解析与PCB板调节  

Circuit analysis and PCB adjusting of R-500 X-ray machine

作　　者：张方林[1] 汪庆华[1] 吴向阳[1] 李亚东[1] 

机构地区：[1]成都军区总医院,成都市610083

出　　处：《医疗卫生装备》2007年第2期67-68,共2页Chinese Medical Equipment Journal

摘　　要：由于本地区气候原因,设备PCB板时常会出现电位器变值和电路故障。开机出现黑屏,电源指示灯不亮,没有kV预置显示,没法选择条件,看不到Er1～Er7的故障代码。通过电路解析,分析设备的功能原理。以工作流程指示灯为主线,可快速判断和排除设备故障。Abstract PCB faults on X-ray machine occur frequently in our hospital due to humid climate, which lead to many malfunctions such as potentiometer failure, blank screen, lacking KV display, unavailable parameter choosing and disappearing of Erl -Er7 fault code. These malfunctions could be diagnosed and repaired quickly based on analyzing the status of the machine＇ s workflow indicator lights, as well as studying circuit and function principle of the equipment.

关 键 词：电路分析 指示灯 PCB调节 

分 类 号：TH774[机械工程—仪器科学与技术]