7250 no lcd .. stange. - GSM-Forum

pali · 08-06-2005, 11:47

Hello i have following problem with 7250.

phone was working, but interupting audio during call.
i reballed Upp, Uem, lcd was still working..
i tried to flashed the phone not assemble i just keep it in my hand..
then i smell stench.. in area above UEM ..
from this time LCD is no more working .. any idea ?
i tried to change LCD connector, lcd ,
flashing last version, i checked all conection from lcd conector X302 to testpoints , all is ok.. but LCD not working ..
Any idea ??

Pali

CyberoptiK · 08-06-2005, 12:02

Broken Track.

GreetZ

pali · 08-06-2005, 19:11

hmm.. broken track..
but what to check ??
from lcd conector to TESTPOINT are all ok.
so what else to check ???

Pali

when i power on the phone , leds on keyb and lcd lights up..
but lcd is only blue..

CyberoptiK · 08-06-2005, 23:39

Not only tracks of LCD else it can be many things,tracks to UEM, UPP etc...

GeetZ

pali · 08-07-2005, 09:19

i removed UPP and UEM , and checked tracks from x302 to UPP and UEM pins.
all is OK !!!
so what now ?

Pali

UPP : A7,B6,C6,C7
UEM: B1, M8

jarniel · 08-07-2005, 18:31

maybe when you try to repair the phone it damge the lcd, did you try to replace or check a good 1.

iki · 08-07-2005, 20:20

try change small ressitors behind batery conector.All of them,try and post.

regards

08-06-2005, 11:47	#1 (permalink)
pali No Life Poster Join Date: Nov 2001 Location: Slovakia Posts: 1,005 Member: 7586 Status: Offline Thanks Meter: 11	7250 no lcd .. stange. Hello i have following problem with 7250. phone was working, but interupting audio during call. i reballed Upp, Uem, lcd was still working.. i tried to flashed the phone not assemble i just keep it in my hand.. then i smell stench.. in area above UEM .. from this time LCD is no more working .. any idea ? i tried to change LCD connector, lcd , flashing last version, i checked all conection from lcd conector X302 to testpoints , all is ok.. but LCD not working .. Any idea ?? Pali

08-06-2005, 19:11	#3 (permalink)
pali No Life Poster Join Date: Nov 2001 Location: Slovakia Posts: 1,005 Member: 7586 Status: Offline Thanks Meter: 11	hmm.. broken track.. but what to check ?? from lcd conector to TESTPOINT are all ok. so what else to check ??? Pali when i power on the phone , leds on keyb and lcd lights up.. but lcd is only blue.. Last edited by pali; 08-06-2005 at 19:58.

Similar Threads
thread	Thread Starter	Forum	Replies	Last Post
7250 board2board lcd lay out	xtragnhero1975	Nokia Hardware & Hardware Repair	2	09-04-2006 11:04
7250 no led in lcd and keypad	candra_yus	Nokia Hardware & Hardware Repair	6	09-22-2005 03:19
NOKIA 6100/6610/7210/7250 Colour LCD	vnixx	Wanted Products	6	05-12-2004 17:14
s300 lcd stange???	smartymarti	Trident/AGERE Platform	2	10-27-2003 09:16
7250 No ringtones	Zoolee	Nokia Multimedia	2	06-30-2003 13:58

08-06-2005, 12:02	#2 (permalink)
CyberoptiK No Life Poster Join Date: Sep 2003 Location: GermanY Posts: 972 Member: 38922 Status: Offline Thanks Meter: 35	Broken Track. GreetZ

08-06-2005, 23:39	#4 (permalink)
CyberoptiK No Life Poster Join Date: Sep 2003 Location: GermanY Posts: 972 Member: 38922 Status: Offline Thanks Meter: 35	Not only tracks of LCD else it can be many things,tracks to UEM, UPP etc... GeetZ

08-07-2005, 09:19	#5 (permalink)
pali No Life Poster Join Date: Nov 2001 Location: Slovakia Posts: 1,005 Member: 7586 Status: Offline Thanks Meter: 11	i removed UPP and UEM , and checked tracks from x302 to UPP and UEM pins. all is OK !!! so what now ? Pali UPP : A7,B6,C6,C7 UEM: B1, M8

08-07-2005, 18:31	#6 (permalink)
jarniel Freak Poster Join Date: May 2005 Location: ksa Age: 52 Posts: 301 Member: 149600 Status: Offline Thanks Meter: 11	maybe when you try to repair the phone it damge the lcd, did you try to replace or check a good 1.

08-07-2005, 20:20	#7 (permalink)
iki No Life Poster Join Date: Apr 2004 Location: Skopje , Macedonia Age: 40 Posts: 916 Member: 61851 Status: Offline Sonork: 100.1604862 Thanks Meter: 117	try change small ressitors behind batery conector.All of them,try and post. regards