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This is the alternative solution to fix and nokia 3710 fold with a damaged keypad ESD filter IC that result to keypad failure or malfunction. If encountered troubleshooting a keypad not working problem on nokia 3710 fold and then already tried or ensured that the keypad matrix or keypad flex membrane is okay, you may try to apply this solution below to determine if the keypad IC is faulty or damaged. Nokia 3710f keypad IC jumper ways and line tracks You may first try to apply the solution showed above before trying to replace a  new replacement keypad filter IC; In this way you can easily determine if the keypad filter IC caused the problem on nokia 3710 fold..

Here's the Nokia 3710 fold keypad flex membrane line connection ways and tracks that can be used to trace a certain keypad keys that stop responding or not working when being pressed. This solution can be helpful to trace if there is one or more particulars keys that does not work before trying to figure out the main PCB board components that holds the keypad connection like the keypad filter IC. The solution below shows the navigation  and  alphanumeric keys connection between each other including the volume control buttons like the volume up and the volume down. Nokia 3710 fold keypad matrix line connection ways and tracks Each keys have a designated color code for easy tracing procedure. The outer and inner core where both have different connection with each other. Just refer to the solution above for tracking particular keys that is not working or having a problem. For further troubleshooting nokia 3710 fold keypad problem or if this solution already used or a...

If the there is no sound can be heard on Nokia 3710 earpiece speaker, this problem may possibly caused by a faulty speaker, a corrupted flash firmware , a damaged flex wire, oxidation build up due to wet damaged, weak contact terminal pads and possible damaged components within the PCB board circuit. This solution below can be used for further troubleshooting if already doing a check up and found out that the speaker is okay, the flex wire is good and working and or already tried installing a new replacement, the PCb board is already cleaned. Nokia 3710 fold Earpiece Speaker Repair Solution The components highlighted on the solution above  is mounted or located near the flex pin connector and the application processor chip. These components are composed of a filter coils, resistors and an ESD protection chip. These is where the audio signal flow across this components which is feeds from the Audio IC (GAZOO). You may check each of these components and replace if found ...

This solution may useful and help fix or repair Nokia 3710 fold ringer and hands free mode loud speaker speaker that no audible sounds can be heard on the device. If encountered and tried to fix this problem you may start to check the speaker, replace if it is already damaged, cleaned up the PCB board contact pads for the speaker terminals.  If already been installing a new speaker or cleaned up the terminal contact pads but still there is no ringtone or an MP3 music sound can be heard on it when being played. This simple solution shows the left and right ringer (IHF)hands free speaker components circuit on nokia 3710 fold PCB board, that needs to check for further troubleshooting. Nokia 3710 fold Left and Right IHF Ringer  Speaker No Sounds Solution IF only one channel is having a problem you may only trace and check the components associated or connected with it. The left channel speaker is which is only connected within the main PCB board, while right speaker ...