本文指出了高科技在医学仪器维修工作中的作用和重要性，给出了两个维修实例。
The action and importance of the high science-technology to medical apparatus was introduced in this paper, and two examples were introduced also.
本文介绍了数据采集系统、图像重建和显示系统的故障诊断方法及具体故障的维修实例。
It is introduces how to analyze the fault in the data acquisition and image reconstruction system, also list service examples of this system.
介绍了彩显电源电路的基本原理及故障的分析和维修实例，对维修其它开关电源电路具有借鉴作用。
The working principle of colour TV supply source circuit and fault analysis were described. Some maintenance examples are helpful for repairing other switch supply source circuits.
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