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我院配合瓦里安2100C/D加速器使用北京喻华所生产的BL—2型X射线模拟定位机。在一次维修定位片曝光过度的过程中,一个潜在的主控故障报警电路的故障,产生误导,增加了维修难度。现将故障现象及处理过程介绍如下,供同行参考。故障现象:用常规条件照像,片子发黑?
Our institute cooperated with Varian 2100C/D accelerator to use BL-2 type X-ray analog positioning machine produced by Beijing Yuhua. In the process of over-exposure of a maintenance positioning plate, the failure of a potential main control failure alarm circuit is misleading and increases the difficulty of maintenance. The fault phenomenon and processing are introduced as follows for reference by peers. Symptoms: Using conventional conditions, the film is black?