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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 07-15-2007, 17:14   #1 (permalink)
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How to solve N73 Display problem ?


Hi friends

I have N73 with Display problem , i changed the Lcd but problem still
i need N73 Display ways or Semantics.




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Old 07-15-2007, 19:02   #2 (permalink)
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same problem here also

Once got ok after rework display ic

now again problem

anybody have schematics or jumper solution?
Pls help

Prajith

Prajith
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Old 07-15-2007, 19:13   #3 (permalink)
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Guys, regarding to schematic; N73 have no LCD display filter, since it's not LCD fault then to check LCD on board connector solder & cleanliness, if not worked then to reflow processor OMAP, good luck ...
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Old 07-15-2007, 19:41   #4 (permalink)
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Dear mobilagy

Can u share schematics

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Old 07-15-2007, 19:59   #5 (permalink)
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http://forum.gsmhosting.com/vbb/showthread.php?t=343644
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Old 07-15-2007, 22:53   #6 (permalink)
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Thanks Dear Mobilagy
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Old 07-16-2007, 23:03   #7 (permalink)
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Quote:
Originally Posted by mobilagy View Post
Guys, regarding to schematic; N73 have no LCD display filter, since it's not LCD fault then to check LCD on board connector solder & cleanliness, if not worked then to reflow processor OMAP, good luck ...
Yes you are right , i will reflow processor omap and write results .
thanks alot friend for sharing these information .



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Old 07-17-2007, 03:34   #8 (permalink)
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replace display ic mate.
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Old 07-17-2007, 08:33   #9 (permalink)
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Originally Posted by nyhotan View Post
replace display ic mate.
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Old 07-17-2007, 08:52   #10 (permalink)
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N73 display problem

before u go for OMAP, check this also
Attached Files
File Type: rar N73_display_voltage.rar (69.8 KB, 4423 views)
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Old 01-13-2008, 18:25   #11 (permalink)
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70 % r7780 demage

probably you demage resistor r7780 check voltage 1.4 v lcd on
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Old 01-15-2008, 11:54   #12 (permalink)
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Quote:
Originally Posted by foreman77 View Post
probably you demage resistor r7780 check voltage 1.4 v lcd on

Hi
I vanna know where goes anather side of this resistor - setcurr1 ( I can't find in schematic) becouse hire I have 30om with GND and i think this is the problem for no lcd

Thanks
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Old 10-07-2008, 07:28   #13 (permalink)
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N73 display problem lcd ok blank display plz help
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Old 10-16-2008, 14:55   #14 (permalink)
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lcd not blank its only black no back light as wel
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Old 12-11-2011, 13:56   #15 (permalink)
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