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| Nokia Hardware & Hardware Repair all what you need for Hardware Repairing for Nokia Phones. Before writing any thread here try to check the Frequently Asked Questions Section. |
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07-24-2003, 15:09
| #1 (permalink) |
| Freak Poster   Join Date: Nov 2001 Location: Italy
Posts: 184
Member: 7301 Status: Offline Thanks Meter: 0 |  NOKIA 5210 Microphone fault I have a NOKIA 5210 with very bad discontinuos and distorted audio from microphone. Already tryed changing mic, resoldering cobba and making a software upgrade to v. 5.25 with no results  Any advice? Bye n ThankS LuKe ((d-brain)) |
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07-28-2003, 09:25
| #5 (permalink) | |
| Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | Change bottom shell or reflow cpu! Quote:
First i tried changing mic, COBBA, bottom plug-in connector, all smd in path of microphone, CCONT.... nothing heleped. Other 40% repaired with changing bottom express-on shell!!! | |
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07-29-2003, 18:19
| #7 (permalink) |
| No Life Poster   Join Date: Apr 2002 Location: Radiometer Medical ApSBrønshøj Age: 51
Posts: 721
Member: 10854 Status: Offline Sonork: 1578988 Thanks Meter: 3 | Hiya Check microphone bias....on 8210 it was resistor and 2 caps on keyside... It might been same on 5210...I don't have board to check right now so this is just guess.... BR Vule |
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07-30-2003, 00:09
| #8 (permalink) | |
| Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | Quote:
I think it is DSP problem because mic signal is breaking when other party talks louder. If signal form speaker is louder, mic signal breaks up (other party hears breaking voice)... Other thing i noticed - this problem is present only with phones that don't have glued CPU. So, this leads us to conclusion - CPU fault, probably solderings under MAD2... Regards! | |
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12-02-2008, 15:31
| #9 (permalink) |
| Freak Poster  Join Date: Feb 2007
Posts: 435
Member: 446881 Status: Offline Thanks Meter: 707 | Hey Brother's Your Problem Is 100% Soved Here. Just Check it Out. Nokia 5210 Mic Microphone Ways Mobile Repairing Picture Help |
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