Hi,
I have a Mits VS-50605 Tv, and The composite inputs, as well as the
tuners(both of them) , stopped working (no picture, but i do get sound
out of the speakers).
If i use the component, or S-Video Inputs, I get both the picture and
sound.
I have checked the board for leaky capacitors/loose connections, and
everything looks in good shape.

What else should i check/replace?

Thanks in advance,
David F.