If LCD back light is not working or gets off on Nokia 1280, 103, and Nokia 1616, then do the following procedure.
Nokia 1280 Light Jumper:
Nokia 103 LCD light problem is solved by two jumpers. This LCD light solution works on Nokia 1616, 1800, 1280 also.
Remove components shown in picture no.1 for LCD light of 103.
|Nokia 103 LCD Light Solution Pic 1|
Now give jumper as shown in picture #2 with red line.
|Nokia 1280 Light jumper|
Now short the 3rd and 4th point of 103 LCD jack as shown in picture #3.
|Nokia 1800 LCD Light Problem|
100% tested solution of LCD Light problem for Nokia 1800,103, 1616, and Nokia 1280.