Help only speaker phone mode works iPhone 4

[alphalink]

Been searching and came up empty. I just replaced my dock connector for my iPhone 4 everything works except for when I make a call no one can hear my voice. But once its on speaker phone mode it works. I also tested the mic recording app and it also works. So far I've tried to reuse my old dock connector but still same result and did a restore still nothing.

[Cowboy]

Sounds like there is a problem with the logic board.
Why did u replace it in the first place water damage?