多媒体投影机常见故障及维护  

The common malfunction and maintenance of the multimedia projector

作　　者：李梅琴[1] 

机构地区：[1]闽西职业技术学院,福建龙岩364021

出　　处：《闽西职业技术学院学报》2015年第3期118-120,共3页Journal of Minxi Vocational and Technical College

摘　　要：投影机是多媒体教学中最主要的设备之一,由于长期在高温环境下工作,使用频率高、工作时间长,因而容易出现故障。结合实际工作经验,对投影机常见的几种故障现象进行分析,并介绍其排除方法和日常维护要点。The projector is one of the main equipment in the multimedia teaching. Due to long-term work in high temperature environment, high frequency of using, and long working hours,it is easy to fail. In this paper, several common malfunction phenomenon, elimination method and routine maintenance were briefly introduced, combined with practical work experience.

关 键 词：投影机 故障 维护 

分 类 号：TN946.1[电子电信—信号与信息处理]