Nokia 1680c,1681c Display Light Problem Jumper Ways

This is a solution for the Nokia 1680c and 1681c classic LED backlight for the screen problem and it shows a dark screen. This solution offers a few tips on how to diagnose and fix the phone display light problem.

To solve this problem, you can first try to replace a new LCD module to easily determine whether the LCD LEDs were still busy or not to install. If the newly installed show the same problem, refer to the following solution below and survey a number of components covering the LCD backlight LEDs.

Check and clean the LCD pin connector, for building damage and oxidation. Trace each corresponding LED connection to a component where it is connected, you should also check and replace the damaged components if found. Check and read the LED driver power supply and the filter coil. If this tension is missing the keyboard LEDs will not work. If both LCD and LED keyboard does not work, replace the LED driver IC.

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.

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