摘要
结合ＢＯＣＡＯ彩色显示器的线路板，描绘出了电源部分的电路原理图,并对其工作原理进行了详尽阐述．针对ＢＯＣＡＯ显示器的常见故障提供了简单实用的维修方法。
Based on circuitry board of BOCAO colour display, the chart of power supply is drawed out as a part of circuitry elements, and its working processing is analyzed. It offers a simple repair way to meet the failure which often appeared in practise.
关键词
电路原理图
工作原理
维修方法
chart of circuitry element
working processing
repair way
