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在检修黑白电视机中发现某些元器件性能变坏给维修带来较大的困难,尤其对手头无代换件的业余维修人员来说更是无从下手。为此本文介绍几种常见故障的应急检修实例以供参考。例1 给KC582C加补偿滤波电容消除自激。故障现象:一台昆仑牌B314型黑白机,图像上出现一些没有规律的水平细白条纹干扰,严重时导致图像上下不稳。
Black-and-white TV in the repair found that the deterioration of certain components to the maintenance of greater difficulties, especially for those who do not have the replacement parts of the amateur maintenance staff is unable to start. This article describes several common failure emergency maintenance examples for reference. Example 1 to KC582C compensation filter capacitor to eliminate self-excited. Symptom: A Kunlun brand B314 black and white machine, there are some irregular white horizontal stripes appear on the image interference, causing serious instability when the image up and down.