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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 07-10-2007, 21:18   #1 (permalink)
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Lightbulb N73 Keypad light working and sometimes not working


Hi ...
I have ne N73 and the keypad light not working sometimes .
When power on it light after not working ...
What could be the problem please ? I've alredy clean the board ...
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Old 07-10-2007, 23:50   #2 (permalink)
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Originally Posted by johnreza View Post
Hi ...
I have ne N73 and the keypad light not working sometimes .
When power on it light after not working ...
What could be the problem please ? I've alredy clean the board ...
Did you first tryed to upgrade sofware, full format and full factory reset the phone!!??

It is symbinan phone it is possible to be software problem!!

BR
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Old 07-11-2007, 08:44   #3 (permalink)
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Try first to format it.
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Old 07-11-2007, 08:49   #4 (permalink)
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i think that you open your phone and check key pad some time you find water try to clean
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Old 07-11-2007, 21:07   #5 (permalink)
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I will try to format it or full factory , i wiill post result tomorow
I've already clean the board .
Thanks ...
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Old 07-11-2007, 21:08   #6 (permalink)
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It's maybe a problem with the light sensor? sensitivty problem.. but a flash will solve that
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Old 08-10-2007, 19:03   #7 (permalink)
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N73 Keypad Not Working After Change Volume Switch

After I Change Volume Bottom For N73 ,now The Keypad Stop Working?
Any Body Has Any Idea What Shall I Do.
Thanks
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Old 08-10-2007, 20:36   #8 (permalink)
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Originally Posted by sam1970 View Post
After I Change Volume Bottom For N73 ,now The Keypad Stop Working?
Any Body Has Any Idea What Shall I Do.
Thanks

Reheat / change EMI_ESD_FILTER (so-called IC KEYBOARD) .

B.Regards
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Old 08-11-2007, 05:08   #9 (permalink)
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hey guys, remove again the volume..try rearranged carefully..its ok..
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Old 08-11-2007, 05:11   #10 (permalink)
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replace other volume and put it well..
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Old 08-11-2007, 10:14   #11 (permalink)
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maybe its jst the light sensor..
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Old 08-14-2007, 12:19   #12 (permalink)
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thanks for all,mourad120,markrhi and colonelrte,
i change jostic flux and reheat keypad chip..
the phone now is fine working perfect.
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Old 04-24-2009, 17:49   #13 (permalink)
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change the power ic (alvilma) 100% ok if the sensor no value
it link directly to power
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Old 08-02-2010, 14:21   #14 (permalink)
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thank brotherrr..... iam this read posting ....thank you



BR,

mr.fathul
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Old 08-03-2010, 01:03   #15 (permalink)
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Nice......................
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