solution for l7 display flikers and no light

[celldoct]

jus do the loop and it is all fine

[mobilezclinic]

I have N73 .it no have display light.can help me anyone for fix it.it is water damage.any one have solution?

[celldoct]

posted in wrong section bro never do next time

1.try to change the display
2.try to chek connections
3.check coil
4.try to check tracks in display (both + and - )
5.then check display jig if it connects properly
then go to change display ic and any hardware bro
post result & thanks