Solution For Gadget

This solution shows the connection of the Nokia 2710 navigation edition keypad connections from the keypad matrix flex through to the keypad pin connector and  keypad filter ICs.





And this solution below show the keypad connection from  each particular solder ball bumps of the keypad filter IC. This also includes the nokia 2710ne camera switch connection tracks

Heres the full and complete solution for Nokia 2690 Keypad line tracks and keypad filter IC jumper ways including the power on-off key connection. This solution below may possibly help fix and repair a certain keypad malfunction that stop responding on a damaged Nokia 2690 cell phones.




Ensure that the keypad membrane is perfectly clean before trying to trace each corresponding keypad keys that is not responding. Majority of each group of connection has three keys are connected together, therefore if only one or two keys are not working, the problem may lies on open line tracks. If more than three or all of keys are not working the problem may lies on a damaged EMI-ESD filter chip.