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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 08-30-2005, 20:53   #1 (permalink)
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7260 no light?


Hey every1

I have a Nokia 7260 that dosent have any light!
I can se that the two diodes in the buttom of the bord glows abit but not mutch... when i turn on the phone they just flickers once but then they just lights verry little... there is no light in the display also, i can se the menu's ect. but no light on the screen og the keybord. i have tryed to flash it with newste firmware but that didtent help so this must be a hardware error.
plz help

regards MaximusDK
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Old 10-31-2005, 16:07   #2 (permalink)
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Quote:
Hey every1

I have a Nokia 7260 that dosent have any light!
I can se that the two diodes in the buttom of the bord glows abit but not mutch... when i turn on the phone they just flickers once but then they just lights verry little... there is no light in the display also, i can se the menu's ect. but no light on the screen og the keybord. i have tryed to flash it with newste firmware but that didtent help so this must be a hardware error.
plz help

regards MaximusDK
I had this problem too
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Old 11-01-2005, 02:36   #3 (permalink)
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@ MaximusDK...

U need to chek the LED driver volt out and the feed back volt ( marked with blue in the attached photos ).
and to check the soldering of the LCD socket. also to check N2400 ( yellow colored ) by reflow or replacement , and all the surrounding components of it.

GoodLuck
Attached Images
File Type: jpg 7260 LED's driver layout.JPG (56.8 KB, 496 views)
File Type: jpg 7260 LED's driver tracks.JPG (158.8 KB, 506 views)
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Old 06-01-2006, 12:06   #4 (permalink)
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Verry Good !Thx man ....good job! Work 100%
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Old 06-01-2006, 19:58   #5 (permalink)
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Nice Work bro keep it up...

Regards,
Tanvir !
www.tanuelectronics.com
www.magiconimpex.com
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Old 06-03-2006, 00:45   #6 (permalink)
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Ive come with a problem and the solution is right there for me. men tanks a million
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Old 06-07-2006, 10:48   #7 (permalink)
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Help me

Quote:
Originally Posted by Medz
@ MaximusDK...

U need to chek the LED driver volt out and the feed back volt ( marked with blue in the attached photos ).
and to check the soldering of the LCD socket. also to check N2400 ( yellow colored ) by reflow or replacement , and all the surrounding components of it.

GoodLuck
I tried the process mention here with the schematic diagram only the key pad light came on. What do I do to get the screen light on? since the screen is displaying but no light
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