3220 *,0,# clr, key not work
 

hi
3220 key *,0,# & clear not work
there r z2400 emi filter ic sightly crack from corner
there r conection of col4
need ic's input pin and output pin's diagram
with this diagram i conect col4 input to output
thnx

cristal ic 1000000%%%

dear
there r must be replace EMI filter ic
but without change ic how can i do
co4 i/p to o/p conection posible????????????????
thnx

3220 no wark 2.5.8.0 kiperd halp me

hi
check row colon continuty
vertical,centre point ( or check continuty with ok pcb then compare )
horizental,outside circle point
no need to change keypad ic......

B R
Amit Tank

cristal ic ?????? are you nut's