W550 Keypad

[atree]

I Have W550 In Which Return Key,wep Key, C Key, Vol Key And Camera Key Is Not Working. The Set Is Water Damaged . I Have Changed The Keypad Ic. And Checked The Continuety Of Kp And Belt Shows Ok.
So What Can Be The Problem..


Help Me As Soon As Possible....


Thanks..

[bond95]

I Have W550 In Which Return Key,wep Key, C Key, Vol Key And Camera Key Is Not Working. The Set Is Water Damaged . I Have Changed The Keypad Ic. And Checked The Continuety Of Kp And Belt Shows Ok.
So What Can Be The Problem..


Help Me As Soon As Possible....


Thanks..

Use schematic .............................

[rashid]

daer br
plz check schematic and check also ways

[atree]

for w550,above solution i changed three ic then it is ok.

[atree]

Return Key,wep Key, C Key, Vol Key And Camera Key Is Not Working. The Set Is Water Damaged . I Have Changed The Keypad Ic. And Checked The Continuety Of Kp And Belt Shows Ok.for

[atree]

For w550 ,above problem i changed keypad ic three times then it is ok.