MOBILE TROUBLESHOOTING

To solve the problem- you should check the red marked line and red marked parts.

Here is solution for nokia n91 power problem. If your nokia n91 have no power. You should check the power ways and power switch.

Here is a solution for n91 all keypad problem. Just follow the picture below.

If your Nokia n91 hard drive is not working properly. you should change hard drive ic and make this jumper below the picture.

First change v core, smps. Second removed n5000 APE Regulator away. Third make this jumper below the picture.

If you wants to solved Nokia hands free problem. You should remove these red mark capacitor below the picture. Try your self.

If your nokia earpiece is not working. You should check its ways. Without checking its ways, you cannot find out its problem. You should also check these red marked parts. If you find any bad parts you should change it.

To solved your nokia n91 display problem removed this red marked two IC and make this jumper into it. To make this jumper follow the picture.

If your Nokia n91 is not charging. Check  its ways one by one. If you found any bad parts just change it. You should check this parts above right side of the picture.

Here is a solution for your n 90 microphone. If you want's to solve this problem you should make this jumper below the picture.

All keypad and side keys solution for your nokia n90 mobile.

To solve your n 90 charging problem. You should remove this parts & make this jumper.

If your nokia n81 is not working, check this parts- R2500. It's valu 15 ohm. If you not found the proper valu, you should replace it.

If your nokia n 81 is not working, dead or if it has a boot problem. You should check this IC N2390. If it is bad, removed this IC and  make this jumper below the picture.

Here is picture of nokia n80. You can using it as a wallpaper and desktop background. It;s very beautiful. I like it and you.....

White screen problem is common problem for nokia n 80 mobile. Don't worry here is a solution for your nokia n 80 mobile handset. To solved this problem just follow this instruction. I hope that it's working better.

If your nokia n80 speaker is not working. You should check all parts in the speaker ways below the picture.

If your nokia n 80 ringer is not working. Check all components one by one. I hope that you can solve this problem. You should also check the marked parts to find out the problem.

Check all of it's component one by one and you should follow this instruction.

1st: Check the RFPA if you found no network. 2nd: You should also check GSM TX filter. 3rd: Check the VCTCXO if you found no network. 4th: Check the vco.

Here is two picture about your nokia n 80 mmc. In two picture you can see the mmc ways and you can solved your problem. You should also check the red marked parts for your mmc problem.

If your nokia n 80 keypad lcd light is not working. You should check this parts below the pic.

To repair your nokia n 80 lcd at first you should resolder this two IC.Then reball this two IC or change this two IC below the picture.

Here is a solution for our nokia n 80 keypad. If your nokia n 80 keypad is not working replace the keypad ic. If you have no ic you can make this jumper below the picture.

Here is a solution for your nokia n 80. you can solve your problem to see the the picture below and its instruction.

In the 1st picture:- to solve your nokia n80 charging problem you should make this red marked jumper.





In the 2nd picture:-  you should check.....V2000, R2000, F2000, L2000, C2012. If this component are bad replace all.

In the 1st picture:- you should make the red line then make the blue line. Try two way one by one.Check vcore supply if it's bad remove this.


In the 2nd picture:- you should remove this zokus and apply this jumper below.

If your nokia n73 speaker right not working you should check..... 1-L6518; 2-L6517; 3-C7591; 4-C7592; 5-L6521; 6-N6509. Speaker left not working you should check...... 1-C9086; 2-C9085; 3-C9084; 4-L6519; 5-L6520; 6-C7513; 7-C7515; 8-L6522; 9-N6509 and your vibrator is not working you should check...L6509.

Nokia n73 sim ways and offline solution. If you want to solve this offline mode, just remove this capacitor--C2700.

If your nokia n73 have no power, just make this jumper below.

Network solution for your nokia n73. Any kind of network problem you should check the red marked IC and other components.

In the 1st picture:- Check the red marked IC. If this IC damaged you can make this jumper.
In the 2nd picture:- Re solder this UI connector and change all red marked IC.

n73, Mic and earpiece ways can help you to find out your  main problem.
You may check out the red mark capacitor for your mic&earpiece problem.
Here it's very important for all.

If your nokia n73 lcd is having any problem.
At first check this mark track.If it's ok then
change led driver ic.

If your nokia n73 keypad is not working just remove red mark ic and replace it.
If you have no keypad ic.  you can make this jumper below.

Joystic layout for your nokia n73.
You can find out your joystic layout from here.

Nokia n72 pic.