This solution provides some hints on how to diagnose the Nokia 6600i slide Numeric Keypad problem or if the keypads stop responding or ain't not working anymore.
Refer to the repair solution below, and locate the highlighted components, then follow some step by step repair procedures to fix the Nokia 6600i slide keypads not working problem :
step 1. Ensure that the silicone rubber keypads were okay, some users have replaced it with low quality spare that they buyed anywhere.
step 2. Check the device firmware, reset or flash restore it to any latest firmware version available if necessary.
step 3. Check the keypad membrane, clean it if humidity build ups found, this may happen if the device suffered water or wet damaged.
step 4. Check/ trace all the connection line paths of the keypad interface on the PCB board.
step 5. Check/replace the corresponding resistors where that particular keys are connected.
step 6. Check also the grounding connections.
step 7. The keypad keys are all connected and controlled by the Processor IC. You may need to rework or replace it if you get into this steps level.
Refer to the repair solution below, and locate the highlighted components, then follow some step by step repair procedures to fix the Nokia 6600i slide keypads not working problem :
step 1. Ensure that the silicone rubber keypads were okay, some users have replaced it with low quality spare that they buyed anywhere.
step 2. Check the device firmware, reset or flash restore it to any latest firmware version available if necessary.
step 3. Check the keypad membrane, clean it if humidity build ups found, this may happen if the device suffered water or wet damaged.
Nokia 6600i slide numeric keypad keys tracing guide
step 5. Check/replace the corresponding resistors where that particular keys are connected.
step 6. Check also the grounding connections.
step 7. The keypad keys are all connected and controlled by the Processor IC. You may need to rework or replace it if you get into this steps level.
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