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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 03-31-2008, 18:23   #1 (permalink)
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1110i continuous light on


i have 1110i with strange problem it's light is continuous on without pressing any button i change all light related parts like coil , ic , three leg transistor ,pf ,32 ohm resistor but no change!!!

if some one have solution please share??
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Old 03-31-2008, 18:48   #2 (permalink)
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re:

Quote:
Originally Posted by mirfanmian View Post
i have 1110i with strange problem it's light is continuous on without pressing any button i change all light related parts like coil , ic , three leg transistor ,pf ,32 ohm resistor but no change!!!

if some one have solution please share??
" related to this fault u have left only one thing i.e, uem"
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Old 03-31-2008, 20:00   #3 (permalink)
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i think better to change handset rather than to change uem

thanks a lot!!
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Old 04-01-2008, 05:18   #4 (permalink)
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@mobile speed is right
for this fault related is uem
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Old 04-01-2008, 06:07   #5 (permalink)
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plz replace transistor near the light ic 1000000000000000000000%tested
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Old 04-01-2008, 06:13   #6 (permalink)
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Quote:
Originally Posted by mirfanmian View Post
i have 1110i with strange problem it's light is continuous on without pressing any button i change all light related parts like coil , ic , three leg transistor ,pf ,32 ohm resistor but no change!!!

if some one have solution please share??
First of all in atleast 99% cases it is a problem with Three Leg Transistor. If you have changed it with Nokia Board then it is OK but if you have changed it with any other board try to change it with a working nokia set.

Other thing, you may have shorted it alone leg (only leg on right side) with vbat. check it from transistor and under light ic if it is shorted with other line.

Next, try to update your software. Sounds foolish????????? But it is true. I have faced a 1600 which automatically sets its BACKLIGHT OPTION to OFF. I tried full factory default and it was OK.

Try and post result.

Br,
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Old 04-01-2008, 06:28   #7 (permalink)
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Quote:
Originally Posted by mirfanmian View Post
i have 1110i with strange problem it's light is continuous on without pressing any button i change all light related parts like coil , ic , three leg transistor ,pf ,32 ohm resistor but no change!!!

if some one have solution please share??
so all you have done already, now you have to change uem
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Old 04-01-2008, 06:36   #8 (permalink)
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Originally Posted by mirfanmian View Post
i think better to change handset rather than to change uem

thanks a lot!!
" bro by this post u r contradicting ur first post"
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