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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 04-02-2007, 13:43   #1 (permalink)
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N70 display prob solution


i have N70 which have display prob... some time white screen some time skyblue some time with few buddy spots on it some times lining with spots as shown in pic....

1- already do last fw...
2- also change 2 display IC's above backup battery with working N70 no result
3- apply heat to omap or lower side of boad inculde smap,etc ...
4- reflow display connector and all related components....
5- lcd is ok work on another board...
6- all ways connector to display ic's are ok...

cant understand how to handle this fault...

set is working perfect except display...


any professional guaidline or any body solve this before....?
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Old 04-03-2007, 08:49   #2 (permalink)
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nobody solve such fault before.....?
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Old 04-03-2007, 10:34   #3 (permalink)
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Old 04-03-2007, 17:13   #4 (permalink)
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Dear irfan
Carefully inspect the display connector again
take out and check the tracks
some times track missing c
check track from contact to display ics


be free to contact via yahoo chat


Prajith
[email protected]
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Old 04-03-2007, 20:51   #5 (permalink)
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ok i'll check once again from the start... n come back soon with results...
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Old 04-06-2007, 11:07   #6 (permalink)
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im working on a n72 the same and will post the results.
good luck
br
ttwstr
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Old 06-07-2007, 11:29   #7 (permalink)
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Quote:
Originally Posted by irfaN_vu View Post
i have N70 which have display prob... some time white screen some time skyblue some time with few buddy spots on it some times lining with spots as shown in pic....

1- already do last fw...
2- also change 2 display IC's above backup battery with working N70 no result
3- apply heat to omap or lower side of boad inculde smap,etc ...
4- reflow display connector and all related components....
5- lcd is ok work on another board...
6- all ways connector to display ic's are ok...

cant understand how to handle this fault...

set is working perfect except display...


any professional guaidline or any body solve this before....?

Today i have one N70 the same prob. are U slove your phone? pls share for me. thanks!
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Old 06-07-2007, 13:51   #8 (permalink)
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solved b4.It was due to broken track.Pls check again....
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Old 06-07-2007, 16:08   #9 (permalink)
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in my case there on pcb under key pad ic one ball is broken from key pad ic to OMAP, and there is no any point to make jumper so my 25 days hardworking give me 0$ but give me alot of knowledge so thats y am happy....
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Old 06-08-2007, 05:43   #10 (permalink)
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Thank for all, i'm make jum for Z4403 and all is OK!
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Old 06-08-2007, 06:29   #11 (permalink)
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N70 Lcd Wayes

N70 LCD problem Solve ???
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Old 07-02-2007, 11:07   #12 (permalink)
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I Have the same problem,

N70 displays white screen, but when the nokia logo is about to show it displays thin blue lines instead.

checked lcd connection and cleaned pcb, bathed in ultrasonic bath but still no joy, has been liquid damaged.

any idea's
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Old 08-05-2007, 19:26   #13 (permalink)
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i also have a same problem in n70 , anyone repaired it yet ?
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Old 08-06-2007, 12:48   #14 (permalink)
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Try this

irfan bahai ji just try this if you have not tried it yet it worked for me 80% n 70 blank rar. n let me know just please follow the procedure carfully it works
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Old 08-06-2007, 12:56   #15 (permalink)
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Try this

just try this irfan bhai ji it worked for me let see if it works for you feel free to reply [email protected] [email protected] just follow the procedure properly n carfully pls
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