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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 04-30-2007, 16:24   #1 (permalink)
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Red face N70 white screen, show nokia !!!!


i have a n70 that sometimes show nokia ; after that white screen and sometimes colors in screen ,; and the phone work correctly ; call and receive , ringtone etc .
i try to change the screen but the same problem sometimes work and sometimes nothing .
any solution thx
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Old 07-20-2007, 17:57   #2 (permalink)
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exactly the same problem here, please help !!!
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Old 07-20-2007, 18:09   #3 (permalink)
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clean the connecter or change if u find any type of blackish or rust type spot .if it remains same then rehot or change display ic ur problem will be solve.
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Old 07-20-2007, 19:11   #4 (permalink)
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http:///vbb/showth...81#post2441981
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Old 07-20-2007, 19:37   #5 (permalink)
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if u change display ic, check display and display connect
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Old 07-20-2007, 21:26   #6 (permalink)
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Arrow

Quote:
Originally Posted by patric View Post
i have a n70 that sometimes show nokia ; after that white screen and sometimes colors in screen ,; and the phone work correctly ; call and receive , ringtone etc .
i try to change the screen but the same problem sometimes work and sometimes nothing .
any solution thx
replace display ic & resolder & clean display conn..do post result

regards
PUNEET14884
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Old 07-23-2007, 21:48   #7 (permalink)
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replaced display - the same error
cleaned connector - the same error
reheated display IC - the same error

how and where to replace display IC?
thanx
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Old 07-23-2007, 22:35   #8 (permalink)
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Quote:
Originally Posted by patric View Post
i have a n70 that sometimes show nokia ; after that white screen and sometimes colors in screen ,; and the phone work correctly ; call and receive , ringtone etc .
i try to change the screen but the same problem sometimes work and sometimes nothing .
any solution thx
Your problem is 90 percent abnormal display...
Hints: Check the phone clock halt(8800), u find any corrosion?
By checking this part, if there is corrossion, most cases is lcd ic (4403) had fail... rework this parts (most of the time this part itself is working but the balls under the part is affect by corrosion)
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Old 07-23-2007, 22:35   #9 (permalink)
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Quote:
Originally Posted by magpie View Post
replaced display - the same error
cleaned connector - the same error
reheated display IC - the same error

how and where to replace display IC?
thanx


search for display ic diagram from forum. remove same and replace with another one. but u have to do it carefull.
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Old 07-23-2007, 22:47   #10 (permalink)
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maybe this will help too
Attached Images
File Type: jpg N70 بيانات الشاشة.jpg (83.6 KB, 379 views)
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Old 07-24-2007, 20:06   #11 (permalink)
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mukesh
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Old 09-12-2007, 08:46   #12 (permalink)
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Hi Mukesh,

I understand to remove the ic But what or how i apply the jumper?
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