Solution Blogs

problem is not lcd display light and keypad light also not getting on lighten.it is common fault of lcd pin 2 and 3.in diagram given bellow you can find these two lines with color so make jumper as shown in diagram.

 

on lcd prints strip can be scratched vary carefully and slightly so that it can be sold easily and then you can make jumper as i told above.

for more detail and new tips and tricks about this problem keep visiting this page we will update it timely with new diagrams.some related post are also given bellow you can read them also for more information.