Wednesday, January 1, 2014

LED发光模块故障及解决方法

LED发光模块故障及解决方法



现象一:所有的LED闪烁;
问题:接触不良;
解决方法:松动处重新固定或接插;
 
现象二:LED昏暗;
问题:
1、LED极性接反了;2、LED太长;3、开关电源和LED电压标号不一致;
解决方法: 
1、确保正、负极接线正确;2、减少LED的连接;
3、确保开关电源与LED电压标号一致性;
 
现象三:部分线路的LED灯不亮;
问题:
1、接插方向是否正确;2、电源输出接线是否正确;3、电源线插反、接反;
解决方法:1、拆出,重新正确方向接插;2、确保红色线接正极,黑色线接负极;3、查出部分插反的线路,重新连接;
 
四、现象:所有LED都不亮;
问题:1、开关电源无电压输出;2、开关电源输出接线是否正确;
解决方法:1、试电接入开关电源输入端;2、电源接线正、负极是否正确;

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SMD LED outdoor display

SMD LED outdoor display
SMD LED outdoor display

Questions before LED display quote

SMD outdoor LED video display global supplier If you need a LED screen quote, please answer carefully the questions below so we can propose you the correct specifications to generate the quote for any LED screen for you isntantly. 1.Your contact details Name: company: email address: telephone number: Nextel: address: 2.Your led screen information in the application: - Type of LED screen Displays for text, images or video installation type : indoor or outdoor With various colors or Monochrome - minimum viewing distance - Approximate size led screen width led screen height - Type of communication preferred type of control system simple control system/ advance live video controller control distance wireless controller( internet/wifi)/ less than 100 meter/less than 400 meters/over 400 meters - Function or intended purpose rental or fixed outdoor advertising Best regards, Sally Peng Oversea Sales Manager Cell: 0086 18898792143 Gmail: pengsally@gmail.com Skype/Wechat: sallypwp