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国家水产总局渔业机械仪器研究所,自1973年开始生产的 ZD-1和 ZD-2型定位仪,已在渔轮和军舰上广泛使用。现就我们维修实践中积累的一些经验介绍如下:一、检查故障的方法。仪器中的电阻断路,电容的漏电或击穿,晶体二极管内部的断路或击穿,晶体三极管击穿或性能变化,漏焊和虚焊等等都会使仪器产生故障。在检查有故障的仪器时,首先利用眼、耳、鼻等感觉器官进行外观检查,是否有被烧焦冒烟的元件或松脱的接头等。并根据该仪器在萤光屏上所出现的情况判断
The ZD-1 and ZD-2 locators, manufactured by the Fisheries Machinery Institute of the State Fisheries Administration since 1973, have been widely used in fishing vessels and warships. Now on the maintenance of our accumulated experience in some of the following: First, the method of checking the fault. Breaking of resistance, leakage or breakdown of capacitors, disconnection or breakdown within a crystal diode, breakdown or performance changes of a transistor, missing and reflowed welds, etc., can cause the instrument to malfunction. In the inspection of faulty equipment, the first use of the eyes, ears, nose and other sensory organs for visual inspection, whether there is burning smoke elements or loose joints. And according to the instrument appears on the screen to determine the situation