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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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02-22-2003, 02:36 | #1 (permalink) |
Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | 5210 mic problem Mic sound from this unit is interupted, it is breaking up. These are short breakings, and they are present only when other party is speaking. Example: While 5210 talking to other party, sound comming from 5210 is breaking up when other party talks. If other party is silent, everything is OK. I have tried to change the mic, clean the contacts, reflow cobba. Nothing helps. When i connect external headset, then everything is OK. Can i bridge internal mic pads with contact to mic in external headset? |
02-24-2003, 01:15 | #3 (permalink) |
Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | PLEASE HELP ME! Does anybody know exactlly what resistor could be the problem? I don't have full service manual for this phone, and i checked everything i could, but i am without any idea now. Does anybody have full service manual for 5210? I HAVE 4 PHONES WITH THIS PROBLEM, PLEASE HELP ME.... |
02-24-2003, 10:45 | #4 (permalink) |
Freak Poster Join Date: Sep 2002 Location: Nokialand Age: 42
Posts: 147
Member: 15909 Status: Offline Thanks Meter: 0 | Hi, Cobba fault. Reball, or Change it!!!!!!!!! or just use Hot air & flux! Sorry (short reply), my english is no good. If will no Good, E-mail me: [email protected] Good luck! |
02-24-2003, 11:26 | #5 (permalink) |
Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | I don't think it's COBBA With headphones everything is OK! I have allready tried to rehot with flux - no result. Anyway, I'll try to reball or change COBBA today and I'll post here the results. |
02-24-2003, 18:10 | #8 (permalink) |
Freak Poster Join Date: Sep 2002 Location: Nokialand Age: 42
Posts: 147
Member: 15909 Status: Offline Thanks Meter: 0 | than: check R287 (bottom) If shortcut, than remove. Mic+ ---->R268 shortcut, R268 outside ---->C263 shortcut, C263 outside ---->Cobba mic2n (A3) Shortcut. Measure it with multimeter. if not contact, =>wire... Good luck |
02-28-2003, 02:31 | #10 (permalink) | |
Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | i have a headache :( Quote:
I think the problem can be in headset or PPH-1 detection. I fopund in service manual that there is a switch in system connector that is in charge of headset detection. Maybe problem with bias / V250? Any opinion? | |
02-28-2003, 03:59 | #12 (permalink) |
Freak Poster Join Date: Jul 2002 Location: Croatia Age: 49
Posts: 499
Member: 14004 Status: Offline Thanks Meter: 6 | i have service manual I have allready checked everything on that page of service manual for 5 times at least. I still can't get it to work.... I will check if vcobba is 2.8V, but i don't think the problem is in that, because mic works OK if there is no signal on speaker. What is happening is some kind of cutting mic signal OFF when other party speaks. |
12-02-2008, 15:30 | #14 (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 |
12-02-2008, 15:31 | #15 (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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