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电脑显示器发出吱吱声音
更新时间: 2020-07-14 00:00:00  

原因:

高压嘴打火,通常是潮湿、高压嘴老化引起;聚焦线放电,有些显像管的聚焦线绝缘性较差,遇上潮湿环境,容易和靠近的金属打火,会产生图像模糊现象;电源部分滤波电容接触不良,失容,造成电源波纹大,发出异响。处理方法:

把高压嘴用酒精清洗、吹干、涂上绝缘硅脂,必要时换高压嘴;清洗或用电吹风吹干聚焦线;补焊、换电容。

关键词: 电脑 显示器 发出 吱吱 声音

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