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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Nokia > Nokia Hardware & Hardware Repair

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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Old 03-28-2006, 18:49   #1 (permalink)
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7260 and 3220 no network


both of the phones have same problem: contact liquid, no network. i changed pfo anten and helga. the last situations of phones are phone start up, nearly 7 seconds there is full network but after full no network. it seems to be pfo problem so i change pfo 3-4 times, but the problem is still same. i am doubting about the ways of pfo or network. unfortunatelly i cant find the ways.

i am waiting your helping
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Old 03-28-2006, 21:24   #2 (permalink)
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Did you try power supplay lines from battery to pfo
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Old 03-28-2006, 21:49   #3 (permalink)
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Quote:
Originally Posted by evrencell
both of the phones have same problem: contact liquid, no network. i changed pfo anten and helga. the last situations of phones are phone start up, nearly 7 seconds there is full network but after full no network. it seems to be pfo problem so i change pfo 3-4 times, but the problem is still same. i am doubting about the ways of pfo or network. unfortunatelly i cant find the ways.

i am waiting your helping
If phone liquid damaged,try clean it with ultrasonic cleaner,if problem still reball UPP(or very good reheat with flux) and reflash phone(including PM).Not forgot backup first 10 fields of PM!
Check suply on pfo...
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Old 03-29-2006, 09:27   #4 (permalink)
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Do you have power supply lines from battery to pfo? as a matter of fact i am doubting the lines/ways......

please help before i became a crazy.................................
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Old 03-29-2006, 17:14   #5 (permalink)
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Is not there anybody to help me??
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