C2-01 Nokia Keypad IC Jumper Ways Filter Problem Solution
This is Nokia C2-01-solution for not working keypads problem. This solution gives the paths connecting the C2-01 keyboard matrix including the EMI filter IC jumper ways. This may help to solve problems not simply a keyboard on the phone.
Just refer to the following solution and analyze how each certain keys are connected. This solution can also help in circumventing the keyboard EMI filter IC.
Tips on Nokia C2-01 Keypad Fault Repairs:
1. Clean the keyboard matrix including the membrane keyboard.
2. Trace the path of a connection line that certain keys do not work.
3. Check / replace the keypads IC EMI filter or can be circumvented by applying a jumper wire on the open test point or spots like the picture above. It will also work.
This is Nokia C2-01-solution for not working keypads problem. This solution gives the paths connecting the C2-01 keyboard matrix including the EMI filter IC jumper ways. This may help to solve problems not simply a keyboard on the phone.
Just refer to the following solution and analyze how each certain keys are connected. This solution can also help in circumventing the keyboard EMI filter IC.
Tips on Nokia C2-01 Keypad Fault Repairs:
1. Clean the keyboard matrix including the membrane keyboard.
2. Trace the path of a connection line that certain keys do not work.
3. Check / replace the keypads IC EMI filter or can be circumvented by applying a jumper wire on the open test point or spots like the picture above. It will also work.