Why can't I get an image?

[AC Question]

My galaxy s5 was completely submerged in water for a couple weeks, but when it was found and dried out completely everything worked. Then all of a sudden there was no image, I was told it was the LCD, got it replaced it still nothing. You can still hear all the sounds on it, could it be the logic board? Thx T

 

[Almeuit]

It sounds like it could be the logic board. If it was submerged for a few weeks there are many things that could go wrong with the hardware.