文档介绍：目录 1 、什麼是 LED 的结温? ................................................................................ 3 2 、产生 LED 结温的原因有哪些? ............................................................... 3 3 、降低 LED 结温的途径有哪些? ............................................................... 4 LED 电子显示屏维修改造..................................................................................... 5 发光二极管显示应用: ...................................................................................... 5 视频显示系统与超大规模可编程集成芯片................................................... 2 如何买个好的 LED 显示屏.................................................................................... 3 LED 显示屏常见故障处理流程- 诊断流程: ................................................. 5 显示屏单元板接口........................................................................................... 5 LED 显示屏常见信号的了解.......................................................................... 8 LED 电子显示屏简单维修资料.......................................................................... 10 电阻检测法...................................................................................................... 10 电压检测法...................................................................................................... 10 短路检测法...................................................................................................... 10 压降检测法...................................................................................................... 10 单元板走线方式与常见问题的处理步骤..................................................... 11 A .整板不亮............................................................................................. 11 B .在点斜扫描时,规律性的隔行不亮显示画面重叠........................ 12 C .全亮时有一行或几行不亮................................................................ 12 D. 在行扫描时, 两行或几行( 一般是 2 的倍数, 有规律性的) 同时点亮................................................................................................................ 12 F .全亮时有一列或几列不亮.................................................................