故障现象 :透视操作 ,监视器有光栅、无图像。故障检修 :与此故障相关联由三大部分组成 :①X线产生部分既主机系统 ;②影像增强系统 ;③摄像机和监视器系统。这三部分任一系统出现故障都能造成监视器无图像。选择透视操作观察控制台台面情况 ,发现透视kV表、mA表、曝光指示灯均 Symptoms: Perspective operation, monitor raster, no image. Troubleshooting: Associated with this failure consists of three major components: 1X-generated part of both host systems; 2 image enhancement systems; 3 cameras and monitor systems. Failure of any of these three parts can cause the monitor to have no image. Select the perspective operation to observe the console console and find that the perspective kV meter, mA meter, and exposure indicator are all