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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 03-01-2007, 05:55   #1 (permalink)
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n70 sometime screen blank


hi masters,
my NOKIA N70, the screen sometimes become blank for a few second, and back again.. and sometime i need to restart the phone, then only the screen can back to normal.. I flashed it with tornado with new version and it ok for about a month plus, and now it come back to the same problem again ... what should i do ? is it still flash problem or hardware ?? if hardware what should i need to change in order to solve this problem ?

thanks a lot..
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Old 03-01-2007, 08:03   #2 (permalink)
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rep

pls try another display unit ,check and post the result
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Old 04-04-2007, 09:10   #3 (permalink)
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helo dear i have nokia N70 restart on start no option gives me any code entre or format plz tell me about what's solution without any cable any box.
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Old 04-04-2007, 09:38   #4 (permalink)
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try change lcd driver upper of back up battery
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Old 04-04-2007, 10:07   #5 (permalink)
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Mate if you can call & receive call even if there is no Display, its a HW problem. LCD IC maybe the problem.
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Old 04-04-2007, 10:53   #6 (permalink)
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change sensoer paower good work lcd not work withe
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Old 04-04-2007, 18:22   #7 (permalink)
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Quote:
Originally Posted by VEX-CELL View Post
hi masters,
my NOKIA N70, the screen sometimes become blank for a few second, and back again.. and sometime i need to restart the phone, then only the screen can back to normal.. I flashed it with tornado with new version and it ok for about a month plus, and now it come back to the same problem again ... what should i do ? is it still flash problem or hardware ?? if hardware what should i need to change in order to solve this problem ?

thanks a lot..
change cystal n4201 near backup battery
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Old 04-04-2007, 20:01   #8 (permalink)
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resold ur display connector and then check it with working with it for 2 or 3 hours if its still getting white during working then chnge ur display if still same then reheat ur both display ic or check with changing them one by one
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Old 07-03-2007, 12:53   #9 (permalink)
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Have the same problem on my N70, white screen that is, but I can make calls.
I also notice that if I put the phone under bright light the lcd will blink (3 sec on , 6 sec white screen).
I tried changing the LCD, but its the same problem.
So it looks that must be the LCD IC problem.

Where can i buy that two IC?
How to reheat them or replace them?
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Old 07-03-2007, 13:10   #10 (permalink)
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By : Mohammad Harati

Remove both ics and jumper...
Attached Images
File Type: jpg N70_white.jpg (192.9 KB, 474 views)
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Old 07-03-2007, 13:23   #11 (permalink)
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Thanx for so fast replay
But my phone dont hang at startup, it works, just the display is white.
Is your solution the same for my problem?

Thanx again
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Old 07-05-2007, 13:13   #12 (permalink)
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bashtech

Quote:
Originally Posted by NONA View Post
helo dear i have nokia N70 restart on start no option gives me any code entre or format plz tell me about what's solution without any cable any box.
try ui seting with your ufsx
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Old 07-05-2007, 13:13   #13 (permalink)
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try ui seting with ur box
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Old 07-06-2007, 03:59   #14 (permalink)
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Quote:
Originally Posted by VEX-CELL View Post
hi masters,
my NOKIA N70, the screen sometimes become blank for a few second, and back again.. and sometime i need to restart the phone, then only the screen can back to normal.. I flashed it with tornado with new version and it ok for about a month plus, and now it come back to the same problem again ... what should i do ? is it still flash problem or hardware ?? if hardware what should i need to change in order to solve this problem ?

thanks a lot..
change cystal n4201 near backup battery

jalak............
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Old 08-05-2007, 17:59   #15 (permalink)
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hi all i have problem N70 blank or hank and flash light always on
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