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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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09-22-2004, 21:53 | #1 (permalink) |
Crazy Poster Join Date: Aug 2002 Location: Ireland Age: 43
Posts: 58
Member: 15053 Status: Offline Thanks Meter: 0 | 4 phones dead,why? So I have one qwestion. I get i nokia 7250i without network.So,I resolder antena switch,PA and RF procesor.And phone is working,but after about 30 min it switched off and result phone is dead.The UEM chip is very hot,but i didn't heat UEM chip and any enother IC.I've killed 4 phones repairing network problem. So,what the problem? Please tell me... thanx |
09-23-2004, 15:37 | #2 (permalink) |
Freak Poster Join Date: Feb 2002
Posts: 193
Member: 9254 Status: Offline Thanks Meter: 4 | Hi The problem is you have generated a short circuit or damaged either your P.A or RF processor by resoldering them and in the process have now probably have a damaged UEM. B.R M@RTY |
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