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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 08-02-2009, 05:40   #1 (permalink)
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1600 Lights not pwering OFF.


Hello, I got Nokia 1600 with Lights Fault. it was its Crystal ic problem. I replace the ic but after replacing the ic, now phone's lights never get OFF after 10 sec. i relace the IC again and again but still have problem.

when i switch power OFF then its lights become off otherwise its lights not powring OFF.

wat the problem in the Phone?

Thanx in Advance.
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Old 08-02-2009, 08:01   #2 (permalink)
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check in setting it may be always on if yes than set it to normal
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Old 08-02-2009, 08:12   #3 (permalink)
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Quote:
Originally Posted by Adil Mobiles View Post
Hello, I got Nokia 1600 with Lights Fault. it was its Crystal ic problem. I replace the ic but after replacing the ic, now phone's lights never get OFF after 10 sec. i relace the IC again and again but still have problem.

when i switch power OFF then its lights become off otherwise its lights not powring OFF.

wat the problem in the Phone?

Thanx in Advance.
Bro.try it....
if not work...uem ic falt...............
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Old 08-02-2009, 08:47   #4 (permalink)
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Quote:
Originally Posted by ashad420 View Post
Bro.try it....
if not work...uem ic falt...............
Yes, this is working solution for always light on. i have tested many sets.
thanks bro 'ashad' .

B.R.
habibuddin
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Old 08-02-2009, 10:04   #5 (permalink)
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hello change lcd ic 100%%%%%% working
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Old 08-02-2009, 10:36   #6 (permalink)
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in 1600 and similar models light IC triggered by UEM through a small transistor near the light IC, transistor act as a switch which gives a small voltage to the LIGHT IC to enable and disable the Light. if the Transistor damaged resulting no light or light turns on always. so try to check the transistor first.
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Old 08-02-2009, 10:51   #7 (permalink)
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change only transister problem will b solve
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Old 08-03-2009, 06:55   #8 (permalink)
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Quote:
Originally Posted by ashad420 View Post
Bro.try it....
if not work...uem ic falt...............
Yes, problem solved.

Thanx very much.
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