lcd isnt working after replacement

[aviramgo]

Hello
i replaced screen with digitizer to my lg g2 and just the touch is working .. the lcd isnt working .. i havent display on the screen .
what can be the problem ?
here the motherboard:

Thanks!

 

[aviramgo]

now i have white lines in the screen ... what can be the problem?

 

[aviramgo]

 

[Jay Alexander3]

Did you replace just the screen or Screen and LCD?