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一、现象滤线器摄影,取50mA、3.0秒、80KVP,按下AN_4,闻及控制台内继电器吸合声较平时为小;松开AN_4,毫安表指针不动,球管内X线发生。多次变换XK_1、XK_2、XK_3行台控、滤线器摄影,故障现象不变。拆开控制台后挡板,按动AN_4,观察发现,继电器JC_8吸合,而中间继电器JD_4、透视、摄影交换继电器JC_2不动作;松开AN_4,JC_3自然不工作,无X线发生。二、分析机器正常时,台控摄影过程
First, the phenomenon of filter photography, take 50mA, 3.0 seconds, 80KVP, press AN_4, smell and control console relay pull sound is usually smaller; release AN_4, milliammeter pointer does not move, the tube X-ray occurred . Multiple transformations XK_1, XK_2, XK_3 Taiwan and Taiwan control, filter photography, the same failure. Open the console rear bezel, press AN_4, observed that the relay JC_8 pull, and the middle relay JD_4, perspective, photographic exchange relay JC_2 does not move; release AN_4, JC_3 naturally does not work, no X-ray occurs. Second, analysis of the normal machine, Taiwan-controlled photographic process