Mobile Repairing

Nokia 2720 fold Power ON-OFF button issue – Jumper Ways Solution
Nokia 2720 fold keyboard problem fix solution – jack tracks
Nokia 2720 Fold insert SIM Problem Solution ways jumpers
Nokia 2720 fold Volume Up / Volume Down button Switch Problem-Solution Jumper Ways
Nokia C7 on off button switch ways jumpers problem solution

Nokia 2720 fold Power ON-OFF button issue – Jumper Ways Solution

Posted: 20 Feb 2011 01:06 AM PST

Here is the solution for the Nokia 2720 fold Power On Off Switch or END key problem. This solution can only help determine the 2720 Fold Nokia Mobile Phones, said if the device gives instructions when

charging the phone battery charger is a plug-in, but it does not turn the device on when the button is pressed.

To solve this problem, you first keyboard interface and keyboard membrane for possible oxidation build, clean or replace if necessary, it can also lead to the navigation and numeric keypad does not work.
Below refer to this solution as the basic procedures above did not fix the problem.

Just trace the connection of the inner core of the test capacitor and the ESD protection resistance than restoring a jumper wire to connect the line and said path is open or cut-off. The outer core is connected to ground lines, so check it. Replace these parts also those parts as needed. If the connection paths and these components is okay but still not off the 2720 Fold, the potential problem lies in the connection with the LITE PLUS IC. Reformulated and trace the paths of key onto the solder ball bumps C2 will only solve the problem.

for more detail and new tips and tricks about this problem keep visiting this page we will update it timely with new diagrams.some related post are also given bellow you can read them also for more information.

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Nokia 2720 fold keyboard problem fix solution – jack tracks

Posted: 20 Feb 2011 01:04 AM PST

Here is the Nokia 2720 fold solution for not working keypads problem. This solution provides the connection line paths of the keyboard interface.

This only works for hardware failure, so you can first try to ensure that the firmware of the device is in order and already calibrated. Clean the entire keyboard interface with the keyboard membrane oxidation as a building found. Also check the silicone rubber keypads are still in good condition.
You may refer to the solution offered below if the above procedures are not the basic problem. and follow some step by step procedures which we prepared.

In this solution the power / end key is not included but we have also prepared a jumper solution to it, this only works for numeric and navigation keys such as the following:. 1, 2, 3, 4, 5, 6, 7, 8, 9, *, 0, #, UP, DOWN, LEFT, RIGHT, Soft Left, Right Soft, Select / Action and send.

Repair tips for Nokia 2720 fold mobile phone keypad problem:
If only one or two keys do not respond, you may only suspect that the problem lies in an open line paths. Just trace the connection of the said keys, and then managed to establish a jumper on.
If more than three or four buttons do not work, you may suspect that the problem is an open communication line or a path of both the keyboard filter IC. Checking and tracing the connection of these keys and then replace the keyboard filter IC when the connection paths is okay.

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Nokia 2720 Fold insert SIM Problem Solution ways jumpers

Posted: 20 Feb 2011 01:03 AM PST

Here is the Nokia 2720 fold solution for SIM card problems. You can first ensure that the problem exists on the device and not the SIM card, you only need a new prepaid SIM cards as the already damaged.

This solution can only help to determine if the phone does not detect any form of SIM cards to be inserted.

The solution below shows the paths of the connector of the Nokia 2720 fold mobile phone sim cards circuit for a simple check up and repair procedures.

Here is how the way we determine the fold Nokia 2720 SIM card problem:
1. Clean the SIM card pin connectors.
2. Check and read the SIM card power supply and ground pins, replace the SMD capacitors.
3. Replace the SIM card IC filter.
5. If the above are not the problem. Reworking the IC LITE PLUS is the last option. Replace if necessary.
Thats it! Hope this helps .. enjoy!

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Nokia 2720 fold Volume Up / Volume Down button Switch Problem-Solution Jumper Ways

Posted: 20 Feb 2011 01:01 AM PST

If you are looking for the paths connecting the Nokia 2720 fold volume up and volume down button switch, here let the entire circuit connection of these two volume control switches.

This solution is a great help especially for a damaged or lifted solder pads of the switch terminals .. or has been replacing a damaged button switch, but still not working and fix the problem.

The solution below shows the connection of the volume up and volume down button switch on the Nokia 2720 fold. And refer to it as your guide to tracing use a volume control keys not working to solve.

The two button switches share a common connection for the top two terminals, which is directly connected to the keyboard filter IC.
The bottom terminal was Voume Up is also associated or connected to 0, 8, 5 and 2 keys. While the volume has connected *, 7, 4 and 1 keys. So, if done well, this keyboard keys not working, it means that your problem is possibly on the filter IC.
You can check this line and trace paths using a multimeter. Then managed to get a jumper wire to apply if the said connection is cut off. Hope this helps to restore the volume problem on Nokia 2720 fold mobile phones.

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Nokia C7 on off button switch ways jumpers problem solution

Posted: 20 Feb 2011 12:58 AM PST

If the C7 Nokia charging indicator shows when the battery charger plug-in, but unable to switch on when you press the switch, this solution could possibly help identify and resolve the issue.Nokia C7 on off button switch ways jumpers problem solution

This solution gives the paths connecting Nokia C7 Power ON switch that can be used for the purposes of jumper if the switch does not work or unable to run on the device.
The highlighted components above where the switch is connected, if these parts were damaged, will lead to switch failure. You may need to check and replace these components as well.
There is a risk that the switch on Nokia C7 sometimes damaged and the switch terminal solder pads will be lifted and found hard enough to install it again. If this happens you may have a strong bond the switch to its original position and make an application of a jumper wire on it is one of the option.
You can use the solution above to determine which specific parts you can put a jumper wire and solder if necessary.
for more detail and new tips and tricks about this problem keep visiting this page we will update it timely with new diagrams.some related post are also given bellow you can read them also for more information.