7610 keypad problem...
 

I have 7610 (2,5 and 7 does not work ) how can i know which ic (Z400 and Z401) to changed... please help me...

Thy Are Next To The Black System Connector Same As 6600

on the left side of the keyboard connector there is cry ic that is for Numbers (123 etc..) & othere side for Menu....try best of luck

Thanks man very good works

does anyone can indicate where to buy z401 or maybe a possible combination of soldering to replace it?