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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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02-21-2004, 10:43 | #1 (permalink) |
No Life Poster Join Date: Jun 2002 Location: CT SA Age: 52
Posts: 1,387
Member: 12733 Status: Offline Thanks Meter: 26 | 3310 Just insert battery and it powers on Clened water and rehot pcb, now phone contact service (mcu) but the problem is the phgone goes on automatically after insert battery. Under BGA shorts but I need your advice please. Cheers |
02-21-2004, 19:00 | #2 (permalink) | |
Junior Member Join Date: Feb 2003 Age: 48
Posts: 29
Member: 21232 Status: Offline Thanks Meter: 0 | Quote:
clean up or change power switch, i try this before | |
02-23-2004, 12:47 | #6 (permalink) |
No Life Poster Join Date: Sep 2003 Age: 66
Posts: 807
Member: 39601 Status: Offline Thanks Meter: 13 | @keke.. In water deffects causes are hazard as U know , I think it could be some residuals under the ccont from the water , a triguer to the power on control pin with up to 50kohm to ground , makes that signe. Try to reflow ccont ,the flow of the flux with hotgun under it cleans pins ,try it with a good luck. |
02-23-2004, 18:47 | #7 (permalink) |
Freak Poster Join Date: Apr 2003 Location: india blore Age: 58
Posts: 102
Member: 26209 Status: Offline Thanks Meter: 2 | clean the pcb with ultrasonic cleaner try if u dont succed.flash it with good flash file. still if u dont succed remove all the ic except cpu & refix & try.good luck. |
02-25-2004, 13:53 | #8 (permalink) | |
Freak Poster Join Date: Feb 2004 Age: 56
Posts: 491
Member: 52884 Status: Offline Thanks Meter: 13 | Quote:
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02-25-2004, 21:24 | #9 (permalink) |
Freak Poster Join Date: Apr 2003 Location: india blore Age: 58
Posts: 102
Member: 26209 Status: Offline Thanks Meter: 2 | if u r using new ic its ready to fix only thing u have do is remove the old ic clean the pcb remove extra solder lead from pcb apply little liquid flux on pcb where u fix the ic then place the ic correctly & use hot airgun use right nozzel keep the temp at 250-270 deg, air at 3 to 4. (this setting vary from each instrument depends on which use u have get tuned to it by practice).and flow the hot air 30-60seconds.clean the pcb dry it switch on |
05-12-2004, 18:21 | #13 (permalink) |
No Life Poster Join Date: Mar 2000 Location: inside NOKIA phone Age: 58
Posts: 1,677
Member: 1060 Status: Offline Thanks Meter: 10 | @buschell, "flash d phone,then uudate FAID,UNLOCK,WRITE NEW IMEI.it should be ok" this is too far , please make sure what is topic and then make correct answer ! @gsmbac power on by it self.. try to review BTEMP line , or check R224 both side to look is it short to gnd, or remove ccont, and check the pin "E4" is it short to gnd , or check keypad "3" center , is it short to gnd, or check C400, remove it for test it ! regards Willy |
05-13-2004, 13:27 | #15 (permalink) |
Freak Poster Join Date: Feb 2004 Age: 56
Posts: 491
Member: 52884 Status: Offline Thanks Meter: 13 | mr willy,i respect u,that u should know that there are different faulty and some times d solution may seem very funny or stupid.but to me there is no harm in trying.The other guy (sorry i forgot d name) said it is d power stiwch.i can bet u that if he rempve d swtich,the phone will still power without d switch.so if u think my suggestion is wrong ,i dont know what to say.This b/cos i have just solve a problem like that 2wks ago. |
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