Hi rys,

I think I may see your problem. Please ensure that 2 jumps are made accordingly for the backlight as shown in the following picture. Let me know if this works!! :D
http://www.ryzor.com/up/userfiles/ryzor/excellent.jpg

Thanks to both of you for your help :)

I completely forgot about ...

Are you certain you have a 12V unit?

When you turn on the backlight with a program like uproject, the backlight should show 5V. I have showed the location of where it should read 5V. If you have the upper left pin of the transistor reading 5V and the right side of the transistor, which is ...

Tom wrote:Do you have a multimeter?

Yes

Hi rys,

There can be a few factors involved in getting the backlight to work. You may want to check connections on pin 15 and 16 of the display. Those pins are for the backlight. There can possibility be a bad component, but we should take things a step at a time before jumping to if it is a bad ...

Hello,
I purchased a LCD2041 v1.4 (4x20) lcd a few years ago and it worked flawlessly but I never really had the time to use it for the project I had in mind. Over the past week I found it and decided to devote some time to this project.

I had to seperate the two boards and solder extention ...