no spin

Hello, I am trying to resurrect an old PS2 I used to play as a kid. Looking around, I thought it was simply a laser issue, so I bought a new laser on Amazon and installed it. (Yes, I removed the solder blob). After doing so, it seems the issue has not changed. I am very close to giving up and...

Ok so here's everything I've tried so far and what symptoms I'm getting: I was having MAJOR trouble getting my scph-77001 to read any kind of disc, getting a successful read roughly 1/25-30 tries/boots. Tried adjusting pots in ~25Ω increments, both up and down in regards to the stated factory...