I just installed a neo 4.5 and my cd tray will not even eject!!!!!

[maradona2164]

I installed neo 4.5 and my cd tray does not eject, when i press the eject button it make a nice like if it wants to open, but it can't. my games do not even work ether. I think i did almost everything right in the soldering part, but who knows?

My playstation2 is a USA model that is a ntsc version 3.
PLEASE SOMEONE HELP, I'M DESPRET!!!!!!!!!!!