firewire/1394 if we know?
All you did was give us blurry pictures of the PCB.
Unless someone has this EXACT DVD Player, we can't tell you anything.
Giving the model won't help either.
Why not give us the names off of some of the Chips on the board, or, better yet, look over the board for labels.
Do you have a scanner? Scan each side of the PCB(s) and give us those.