论文部分内容阅读
计算机修理技师应有电视机修理人员所有的诊断准确的工具。其主要工具是视频显示器。当计算机系统出故障时,通常所存在的问题都能清楚地显示在屏幕上。一般典型症状,图1到图5都已示出。这类症状有:屏幕上出现无用信息;显示区内无视信号显示,有光栅,而无视频显示或无显示信息;无光栅;垂直扫描不足;无垂直扫描;水平扫描不足;无水平扫描,甚至计算机停止工作。
Computer repair technicians should have all the diagnostics tools for television repair personnel. Its main tool is the video display. When the computer system fails, the problems that are usually present are clearly shown on the screen. Typical typical symptoms are shown in FIGS. 1 to 5. Such symptoms are: useless information appears on the screen; the display area ignores the signal display, there is a raster, and no video display or no display information; no grating; vertical scanning is insufficient; no vertical scanning; insufficient horizontal scanning; Computer stops working.