LOOK IT THIS IS FINAL SOLUTION FOR NOKIA 1200, 1209 ,1650 KEYPAD IC FULLY DAMAGE.MAKE A JUMPER AND INJOY . NO NEED TO CHANGE KEYPAD IC-----
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procedures:
1. see if all backlights on keypad is complete
(remember that missing backlights on 3110c unit can cause no lcd light too)
2. if all backlight is in tact....use tester to check the lines..
3. if you see this line is broken... just APPLY jumper as shown on the image below...
history:
keypads not working (water damage)
solution:
remove keypad i.c.
apply jumper (you can do this even without microscope) just be patient
follow this image from internet
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