Here's a full keypad flex connection line tracks of Nokia E72 that can be used for troubleshooting minor keypad problem on Nokia E72.
You may only consider that the problem only lies on the keypad flex matrix. If its is only one or two but not more than four keys that isn't working,
The solution below shows the entire keypad flex assembly connection of Nokia E72, you can use this to trace any certain keys that is not responding or working.
The keys inner and outer core layer on the matrix has been highlighted into different colors , all of the same color means that they were connected with each other. The optical joystick is not included in this solution for it has its owned line paths and is not connected to any keypad keys on Nokia E72.
You may only consider that the problem only lies on the keypad flex matrix. If its is only one or two but not more than four keys that isn't working,
The solution below shows the entire keypad flex assembly connection of Nokia E72, you can use this to trace any certain keys that is not responding or working.
Nokia E72 keypad Flex Matrix Ribbon Cable - key connection line paths
The keys inner and outer core layer on the matrix has been highlighted into different colors , all of the same color means that they were connected with each other. The optical joystick is not included in this solution for it has its owned line paths and is not connected to any keypad keys on Nokia E72.
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