No I didn't. I was told by someone else that I shouldn't have to if the model number of the PCB (the one etched on it) is exactly the same then I shouldn't have to.
So I swapped out the PCB and now at least the hard drive is spinning up (it wasn't powering/spinning up at all before) but it constantly is making a loud clicking sound and after a few minutes of clic ...
I have a 80GB WD800JB that I believe has a bad PCB and I'm willing to try to change the board myself before I spend $2,000 at a professional data recovery service. I've done a lot ...