摘要:日本进口的SONY B超图像打印机,自上世纪八十年代末开始在中国各大小医院使用,经十多年的销售,用户数量众多.现在大部分医院多年使用的图像打印机,开始出现各方面的问题,型号包括UP-811\860\870\890\895等,维修量据高不下.其中常见的电路故障包括视频电路和开关电源故障.下面根据SONY视频电路的原理,介绍视频故障分析与维修方法.
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