Keypad problems often occur when the phone fell into the water. This damage could be due to a short path or even broken. Similarly, Nokia 2730 keypad. The following picture show you location of the Nokia 2730 keypad IC.
Before deciding to replace the IC, you should do checks every path. You can see the Nokia 2730 schematic diagram. If all paths determined in good condition, then you can replace the Nokia 2730 keypad IC.
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