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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 08-12-2002, 23:12   #1 (permalink)
Freak Poster
Join Date: Jun 2000
Posts: 354
Member: 1623
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5110 signal loss


I encountered this problem a few times.After finding network , about 8 seconds later phone loss network.If i search manual network it finds all networks but doesn't enter network.Recycle power(turn off/on power) , same thing occurs.I changed Power Amplifier,FDK,13 Mhz filter,71 Mhz filter,EPCOS RX filter,EPCOS TX filter,Duplexer(Rx,Tx,Ant),CRFU,Plussa and also 13 Mhz Main OSC but nothing changed.If you help me about this problem , i will be very happy.And also I made Full factory in Wintesla.
How can i solve this problem.I need urgently help.

Best Regards...
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Old 08-13-2002, 10:45   #2 (permalink)
Freak Poster
Join Date: Feb 2002
Location: nokia
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how did you change duplexer?i need solution step by step
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