this diagram is about touch screen problem in Nokia 5250 . In case of touch screen problem we can not use any key and we can not manage keypad and mobile functions.to solve touch screen problem in Nokia 5250 you can follow a few steps as given bellow.Nokia C2-03 Voluem Up Down Keys Not Working Problem Solution Jumpers
after dis assambling of Nokia 5250 check touch screen jack on board if there is some carbon or water damage
then clean it with electronics cleaner and apply a light heat with hot
air so that it can be dry.once its totally dry check touch screen.
if touch screen of Nokia 5250 will not be solve with above method check
all track and parts as shown in above diagram.in diagram all tracks are
given with different colors and you can easily find whole track and
if any path is damage or broken apply jumpers as shown and replace parts as given in diagram.
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