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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 03-22-2005, 22:31   #1 (permalink)
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3100 , no light and no ring ????:/


hi
got 2 3100 here .
first having ring problem , buzzer is o.k , but phone wont ring . i have tried cleaning the pads but still nothing . any help ?
second phone got no light in lcd and no light in keypad.
i have replaced the led driver , resoldered and clean all.
still same prob , when i got the phone , th big cap near the driver was riped from the board , i have replaced that one as well , i wonder what else to check.
thx
( also checked lcd conector , and cleaned and resoldered)
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Old 03-23-2005, 00:00   #2 (permalink)
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do you make full flash at the latest version?
and are you sure for any water damage?
check this track/on pic/...if broken then you must to resolder UEM.......you can tru to hold down uem and measure this.........
post result
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File Type: bmp 6100no_ringer.bmp (45.1 KB, 638 views)
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Old 03-23-2005, 10:42   #3 (permalink)
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hi
yes , link is not broken between those points .
and yes , i have flashed the phone with latest version ...
btw , i dont think phone had any water damage , thought when i got it 1 resistor near the buzzer pad was riped from its place , i have replaced it .
i will post a pic later today
any ideas what to do ?

Last edited by TRABEL; 03-23-2005 at 10:58.
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Old 06-03-2008, 17:15   #4 (permalink)
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up.....good work.......*** bless
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Old 06-03-2008, 18:08   #5 (permalink)
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its UPP problem.reball the UPP...
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Old 06-16-2008, 09:44   #6 (permalink)
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yes its UPP problem.reball the UPP..............
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