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-   -   c905 BACK LIGHT PROBLEM (http://forum.gsmhosting.com/vbb/f261/c905-back-light-problem-771563/)

chowdary 06-18-2009 23:02

c905 BACK LIGHT PROBLEM
 
Hi
i have got a c905 with no back light,
it came in with top right key problem, i changed the flex,
with the new flex,soon as i put the battety in, top keypad light came on, so dissambled it again and tried the original flex in it but now i have got no back light,
i've tried this flex, top keybordm and lcd on another pcb. They work fine,
any sugesstions please
thanks

chowdary 06-19-2009 20:56

Hmmmmm............
Looks like no one has got this solution

chowdary 06-26-2009 19:49

now i have got another one with no lcd light
i have checked connectors, grips are closed properly
everything works but no lcd light.
please any expert has solution for it
thanks

ionutGSM 08-27-2009 15:02

Quote:

Originally Posted by chowdary (Post 4601073)
now i have got another one with no lcd light
i have checked connectors, grips are closed properly
everything works but no lcd light.
please any expert has solution for it
thanks

i have same problem anyone have any ideea???
br

dejanp 09-03-2009 01:08

i have same problem too

yunaced 09-03-2009 01:22

also encountered this problem i replace ribbon twice still no back light at LCD

anyone has a solution please

TIA

love&q 09-03-2009 13:15

this problem due to LCD light control IC.
when the phone a while u can feel the CPU hot.
but how to fix i got no idea.

indiatel 09-03-2009 19:14

1 Attachment(s)
100% solve u r problem
i put 2k2 coil from n73 bord 100000% work change also diode from p910 bord

Repair4u 01-28-2010 18:31

Quote:

Originally Posted by indiatel (Post 4810409)
100% solve u r problem
i put 2k2 coil from n73 bord 100000% work change also diode from p910 bord


listen boss,which board is in your picture,cant get it n73 or c905 ,i put it all the way cant undrstand,can u tell me thnks in advance

ad_bobeica 02-03-2010 10:07

Quote:

Originally Posted by indiatel (Post 4810409)
100% solve u r problem
i put 2k2 coil from n73 bord 100000% work change also diode from p910 bord

Yes! Goog solution, mann! It's working. I use the coil near from the big camera connector from N73 board. B.R.!

gsmcomm 02-04-2010 13:31

please help no lcd light in c 905

dreameye 02-04-2010 13:34

i solved this by getting light coil... diode... caps.... from k850 board

try i tested with 3 sets..

mubeen s 05-14-2011 10:57

i have one c905 no display back light ..........


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