LED Sign Technology Blog

First, to disassemble the sign, see here.

http://www.ledclub.net/2017/03/22/instruction-for-disassembling-3914-ledsign/

Then, replace the power supply, please note:

1.There is two power supply in the sign, Each power supply is connected to three LED modules.

2.input terminal and output terminal is located on both sides of the power module, Don’t be reversed.

3.On output terminal, the red wire is +5v, the black wire is GND, Don’t be reversed.

The problem is that the video load takes time, causing a black screen or the last frame to stay. There is a way to solve it,after video insert a picture in same files window, the picture can be a black picture or your LOGO, can eliminate the screen stay.

the following link is a example program,download and unzip it,then open by LEDGO software,send the program to udisk,test it.

https://www.dropbox.com/s/xj1b6cftmva0u2v/pause_picture_on_video_problem.zip?dl=0