3310 signal problem. please help me.

[mtv_vj1970]

* 3310 not registering to network.
* 3310 no network found.
* and i need a 3310 network problem test points for open circuit.

[sergo_zmeia]

Here is a solution for U....
with Mbus cable and eeprom tools 4.0 run a test...U will get a point..if software says all ok..reheat COBBA chip...works in 90% of the cases...
Good luck!
sergo_zmeia

[desmond_2727]

Hi sergo what is the Mbus cable n eprom toois?? :-( :-( :-(

[mvillara]

Hi,

First of all, you should tell us if your phone fails due to a fall or merely one day could not connect to the network.

Look at the voltage that feed the COBBA. It must be 2,7v. Test if the condensator C207, C209 and C210 work. Check if the biband filters Z500 and Z501 are broken.

If you see that that COBBA works, try to see if the oscillator works. To check it, take an osciloscope and try to watch a perfect 13Mhz sine wave. Some times, if the oscilator doesnt work, its impossible for the phone to place in its frecuency.

regards.

[mtv_vj1970]

my nokia 8250 is not registering to network when battery is 3 bars or less in battery indicator

[mtv_vj1970]

my nokia 8250 is not registering to network if battery indicator is 3 bars or less.

[mvillara]

Then your problem is that with the battery completely full, it works, but when a bar get consume, the phone lose the network, isn't it? Its a strange problem. Have you reheat the COBBA and PA??? Try to inform us things you have done so far.

[lsalentes]

reheat or change the filter.

[amadi]

am trying to unlocking 5190 showing sim not accepted wit calculator didnot pick up

[pocyranking]

use grifin

[abbagold]

Please My friend How do i get updated 3650/6600 flash images?
i am new in software.

[vrutank]

Here is a solution for U....
with Mbus cable and eeprom tools 4.0 run a test...U will get a point..if software says all ok..reheat COBBA chip...works in 90% of the cases...
Good luck!
sergo_zmeia

:-P I have nokia 3310 and it cannot switching on.The phone is becoming very very hot when I inserting the battery.Please give me proper response and cause of fault. .so I am mailing my problem.

[electrophoretic]

open your phone and hold your battery on the contacts... then you can feel what component is getting hot!! be careful it can get very hot!!!

it could be the PA or maybe the CCONT!!! give it a try

G

[vrutank]

open your phone and hold your battery on the contacts... then you can feel what component is getting hot!! be careful it can get very hot!!!

it could be the PA or maybe the CCONT!!! give it a try


G

:-? I think vco is getting very hot.............What should i do

[electrophoretic]

ummm... change it!!!

G

[vrutank]

ummm... change it!!!

G

I changed it but same problem presists. :???:

[djammers]

pls giv me some guide how to repair 3310 no power. at first it has no signal den i reset to factory seting then 0000 appears so i reheat CCONT then the phone cannot be powered on. i try to replace ccont with a good from another good unit but still cannot be powered on. and then about eeprom tools wer could we ge that? thank you very much and more power

[electrophoretic]

some people think that it is very easy to replace a CCONT, or any BGA...

the truth is that it is very hard to replace a BGA that is removed from another phone, the ONLY way you can make sure its going to work is to use a new CCONT...

i think that your CCONT is not seated properly, when you removed it from the other phone maybe some of the balls were left on the PCB...

like i say, its VERY hard to do yourself

G

[pico]

probably moved some other components on the board too, much practice is required for replace uBGA IC :-P

[Frozenice]

mod is right, its not easy replacing CCOnt .. but if your talented enaf and have the proper tools you can try it.. anyway damaging your 3310 wont hurt that much:-D , just be careful on managing the twiser for you not to damage some resistor and diods around . . :eek: