Quote:
|
Originally Posted by tbash check the board for current reading on each of those keys it could be due to current failing to reach those keys,then ofcourse you'll have to trace the resistors necessary for that. |
I find out what is problem, flat is OK, I tried this with open phone when I harder press the lower PCB keys work, when I release it a little bit they stop working!! So somewere is some line broken, or solder is broken!!
Is there any IC for keyboard or it goes directly to CPU!?!?
BR