卡诺自动指令电话SUB用户板疑难故障的分析处理

Analysis and Maintenance to Breakdown of SUB P.C.B of Kanno Auto paging System

宝钢现场的卡诺自动指令电话经过长期运行 ,故障频繁 ,主机部分以SUB用户板的故障居多。文章简述了SUB用户板的工作原理 。

Breakdown of Kanno auto paging occurs frequently after a long period of operation, most of which in central belongs to the SUB P.C.B.The paper describes the working principle of SUB P.C.B and major emphasis has been placed on the method and train of thought of how to maintain the breakdowm.