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故障现象:开机工作正常。50分钟后图像逐渐模糊,接着消失。检查:一、检查 X 线机影像增强管在影响增强管前放置 X 线图象测试卡。待故障出现后取下摄像机,从影像增强管的主物镜看它的输出屏,有清晰的图象。说明 X 线发射、影像增强管均正常(观察时室内要全暗,xmA 调小并戴上铅玻璃眼镜)。二、判断是否摄像机故障拔下摄像机的插头使其不工作。其它部分(X 线机、控制器、监视器)均通电,工作1小时后插上摄
Symptom: boot is working properly. After 50 minutes the image gradually blurred and then disappeared. Check: First, check the X-ray image enhancement tube placed in front of the enhanced tube X-ray image test card. After the fault appears remove the camera, the main objective from the image enhancement tube to see its output screen, a clear image. Explain the X-ray emission, image enhancement tube were normal (observed when the room to be all dark, xmA transferred and put on lead glass glasses). Second, determine whether the camera malfunction Unplug the camera plug so that it does not work. Other parts (X-ray machine, controller, monitor) are energized, working 1 hour after the plug in