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故障现象：X200－11型医用X线诊断机是国产七十年代末产品，八十年代初购置安装以来一直使用良好。由于房室改造装修停机两个月后使用出现：DTC-诊视床控制电机木启动可透视不可照相，在反复操作上下管球交换阐发现上管球灯丝偶有燃亮。故障分析：可透视不可照相，反复操作上下
Symptoms: The X200-11 medical X-ray diagnostic machine was manufactured at the end of the 1970s. It has been used well since the early 1980s. Due to renovation of the atrio-room renovation two months after the use of the emergence: DTC - bed control motor wood start can be non-photographic perspective, in the repeated operation of the upper and lower tube exchange revealed that the tube ball filament occasionally lit. Failure analysis: can be non-photographic perspective, repeated operation up and down