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目前,在中等学校配备的教学示波器为J2458型.要保持它能长期正常工作,物理教师和实验室管理人员,应掌握初步的检修技术,以便及时排除产生的故障,保证演示实验顺利的进行.本文简要介绍该示波器常见故障的检修方法,供参考.一、检修前应注意的事项为了顺利地完成检修工作,检修前应注意以下几点:1.仔细阅读J2458型教学示波器的说明书和电路原理图,对示波器各部分电路原理及内部结构安排应有一个基本了解.切不可
At present, the teaching oscilloscope in secondary school is J2458 type.To keep it can work for a long time, physics teachers and laboratory managers should master the preliminary maintenance technology so as to promptly eliminate the faults and ensure the smooth running of demonstration experiment. This article briefly describes the oscilloscope common fault repair methods for reference.A note before maintenance should pay attention to In order to successfully complete the overhaul work, should pay attention to the following points before the repair: 1. Read the manual and circuit principle J2458 teaching oscilloscope Figure, the various parts of the oscilloscope circuit theory and internal structure should have a basic understanding.