Showing posts with label end. Show all posts
Showing posts with label end. Show all posts
Sunday, April 19, 2015
Nokia N97 Send End and Menu Keys Not Working Solution
Heres the solution for Nokia N97 Send, End and Menu button keys not responding problem. This solution may possibly help fix and solved if the upper keypad keys stop working.
After ensuring that the upper keypad flex is okay but still the Send, End and Menu keys wont work you may then use and apply this solution below.
The above solution shows the connection of the upper keypad keys line paths from the pin con connector through to the EMI-ESD filter chip. This filter IC also shared and being used for the camera module. So if both camera and and the upper keys are not working you may suspect that this chip is faulty or already damaged.
If the flex cable is okay and or already tried replacing a new one but the problem still exist, you may then check and replace the EMI-ESD filter IC. And dont forget to ensure that the pin connector is perfectly clean.
After ensuring that the upper keypad flex is okay but still the Send, End and Menu keys wont work you may then use and apply this solution below.
Nokia N97 SEND, END and MENU keypad keys failure Solution
The above solution shows the connection of the upper keypad keys line paths from the pin con connector through to the EMI-ESD filter chip. This filter IC also shared and being used for the camera module. So if both camera and and the upper keys are not working you may suspect that this chip is faulty or already damaged.
If the flex cable is okay and or already tried replacing a new one but the problem still exist, you may then check and replace the EMI-ESD filter IC. And dont forget to ensure that the pin connector is perfectly clean.
Saturday, April 4, 2015
Nokia X6 Send E60 and END keypad keys failure solution
If the Send, E60 and End key button keys failed to respond on Nokia X6, and you already tried to restore, reset, flash and update the device firmware but nothing happens.
Keypad keys malfunction on Nokia X6 may also possibly caused by a faulty keypad flex, cleaning or by replacing it will help solved the problem.
If after replacing and ensuring that the flex is okay but the keys still unresponsive, you may then consider that the problem lies on a faulty keypad circuits hardware components on the PCB board. This solution below will tell us which components holds and controls the keypad keys to function or work.
Check the keypad pin connector first ensure that it is free from dirt and oxidation.
From the keypad pin connector there are three line filter coils located near to it, have a check on this components and replace if found damaged.
From the keypad filter coils the lines is feeds to a keypad filtering chip or keypad IC, you may then check this chip, trace its line paths and replace if found damaged.
The I/0 Expander Chip is the keypad controller components, which holds and control the keypads including the Touch Control Module. You may also rework or replace this chip for further harder keypad problem repair on Nokia X6.
Keypad keys malfunction on Nokia X6 may also possibly caused by a faulty keypad flex, cleaning or by replacing it will help solved the problem.
Nokia X6 joystick flex cable wire
If after replacing and ensuring that the flex is okay but the keys still unresponsive, you may then consider that the problem lies on a faulty keypad circuits hardware components on the PCB board. This solution below will tell us which components holds and controls the keypad keys to function or work.
Nokia X6 Send, E60 and End key malfunction solution
From the keypad pin connector there are three line filter coils located near to it, have a check on this components and replace if found damaged.
From the keypad filter coils the lines is feeds to a keypad filtering chip or keypad IC, you may then check this chip, trace its line paths and replace if found damaged.
The I/0 Expander Chip is the keypad controller components, which holds and control the keypads including the Touch Control Module. You may also rework or replace this chip for further harder keypad problem repair on Nokia X6.
Subscribe to:
Posts (Atom)