Yea thats pretty ugly. What you see in the pix is actually excess solder from solder rod I melt onto the bus with hot air. I am using a hot plate and solder paste now to flow the solder. It works pretty nice and looks alot better.

Quote Originally Posted by mackrackit View Post
Still looking at the schematic but looking at the pic I would reflow those solder connections. Might not be making good contact between the Drain and bus.