D500 No Screen Backlight - GSM-Forum

burnsey · 12-19-2005, 12:33

Hi, Iv recently changed the screen on my d500 and the flex cable but unfortunatly the screen now comes on but has no backlight! any ideas please?

damstupid · 03-04-2006, 08:48

Helo everyone,
Please help i am as my name suggests, i tried to put a new lcd in my d500 and somehow failed.
the lcd works fine but i have no backlight could someone please give me some ideas as to what is the likely broblem.
Thanks in advance.

The Repair Shop · 03-04-2006, 08:57

just re-solder the ribbon, and all should be ok m8

zvk · 03-04-2006, 09:03

replace ribbon and check again

damstupid · 03-04-2006, 09:04

Just done that but no joy could it be anything else ?

The Repair Shop · 03-04-2006, 09:05

Quote:

Originally Posted by damstupid

Just done that but no joy could it be anything else ?

What did you do? replace the ribbon?

damstupid · 03-04-2006, 09:07

No i re-soldered the screen, i do not have a spare ribbon at this point in time i may have to get one though by the sounds of it.

The Repair Shop · 03-04-2006, 09:09

well the few times i have had this problem, it has being coz they was not a good join on the solder

Paul Hilton · 03-04-2006, 09:10

Have you checked for signs of water damage...obvious I know....but I have found this to be the case

damstupid · 03-04-2006, 09:11

I thank you for your time and will try again later, i have just come home from a 12 hour night shift and i think i am in danger of burning the house down so soldering iron is going away for now.
Thanks again.

damstupid · 03-04-2006, 09:15

Quote:

Originally Posted by Paul Hilton

Have you checked for signs of water damage...obvious I know....but I have found this to be the case

Thanks Paul but i replaced a broken lcd no water damage i just didnt do a good job by the sounds of it , will have another go tonight.

damstupid · 03-04-2006, 20:59

Please anyone out there can you give me some ideas i have resoldered the screen and unplugged and re plugged the ribbon cable same problem no lcd backlight ....
is it possible there is a problem with the screen ?? or does the fact that the desplay works meen the screen is ok??

damstupid · 03-04-2006, 22:08

in answer to my question the screen workes fine after i removed the solder that was bridging the 2 connecting points i put too much solder on.

so for any othe damstupids out there if your backlight is not working after replacing a lcd check the point you have to solder and make sure both sides are attatched seperately .
Hope this helps,

thanks to simzmobiles for pointing me in the right direction.

12-19-2005, 12:33	#1 (permalink)
burnsey Junior Member Join Date: Feb 2005 Age: 35 Posts: 11 Member: 118958 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	D500 No Screen Backlight Hi, Iv recently changed the screen on my d500 and the flex cable but unfortunatly the screen now comes on but has no backlight! any ideas please?

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03-04-2006, 08:48	#2 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	Helo everyone, Please help i am as my name suggests, i tried to put a new lcd in my d500 and somehow failed. the lcd works fine but i have no backlight could someone please give me some ideas as to what is the likely broblem. Thanks in advance.

03-04-2006, 08:57	#3 (permalink)
The Repair Shop No Life Poster Join Date: Feb 2003 Location: In My Pub Posts: 5,726 Member: 307549 Status: Offline Thanks: 242 Thanked 167 Times in 113 Posts	just re-solder the ribbon, and all should be ok m8

03-04-2006, 09:03	#4 (permalink)
zvk Insane Poster Join Date: Apr 2005 Age: 39 Posts: 87 Member: 141816 Status: Offline Thanks: 0 Thanked 2 Times in 2 Posts	replace ribbon and check again

03-04-2006, 09:04	#5 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	Just done that but no joy could it be anything else ?

03-04-2006, 09:07	#7 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	No i re-soldered the screen, i do not have a spare ribbon at this point in time i may have to get one though by the sounds of it.

03-04-2006, 09:09	#8 (permalink)
The Repair Shop No Life Poster Join Date: Feb 2003 Location: In My Pub Posts: 5,726 Member: 307549 Status: Offline Thanks: 242 Thanked 167 Times in 113 Posts	well the few times i have had this problem, it has being coz they was not a good join on the solder

03-04-2006, 09:10	#9 (permalink)
Paul Hilton Freak Poster Join Date: Jan 2006 Location: Cheshire Age: 41 Posts: 110 Member: 225073 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	Have you checked for signs of water damage...obvious I know....but I have found this to be the case

03-04-2006, 09:11	#10 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	I thank you for your time and will try again later, i have just come home from a 12 hour night shift and i think i am in danger of burning the house down so soldering iron is going away for now. Thanks again.

03-04-2006, 20:59	#12 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	Please anyone out there can you give me some ideas i have resoldered the screen and unplugged and re plugged the ribbon cable same problem no lcd backlight .... is it possible there is a problem with the screen ?? or does the fact that the desplay works meen the screen is ok??

03-04-2006, 22:08	#13 (permalink)
damstupid Junior Member Join Date: Mar 2006 Location: The Land Of Nod Posts: 11 Member: 239895 Status: Offline Thanks: 0 Thanked 0 Times in 0 Posts	in answer to my question the screen workes fine after i removed the solder that was bridging the 2 connecting points i put too much solder on. so for any othe damstupids out there if your backlight is not working after replacing a lcd check the point you have to solder and make sure both sides are attatched seperately . Hope this helps, thanks to simzmobiles for pointing me in the right direction.