: Typically, the 2nd or 3rd pin from the left of the LCD connector is the positive backlight line (
For TA-1114, schematic diagrams from sources like Mobile Master or Rizwan Sial GSM show the exact jumper points for the anode and cathode pins of the backlight. Software Reset (For Glitches)
If you don't have a microscope but you have a working LCD:
If the LCD light on your Nokia TA-1114 is malfunctioning, you may experience one or more of the following symptoms:
If the light is functional but behaving erratically, you can try a factory reset:
The TA-1114 has hidden vias under the EMI shield. Water sits inside the via hole, rotting the connection between the top layer and bottom layer light way. Use a fiberglass pen to scrub the via near C2205. Re-tin and solder a tiny wire through the hole.
Here are some additional tips and precautions to keep in mind when working with the Nokia TA-1114 LCD light: