Restoring the original PlayStation (PS1) - Vintage Console restoration & repair

I wanted to restore a PlayStation 1 for my next console restoration / repair. I got this forgotten Playstation from person who told me it started having issues and then it was stored in a shed collecting dirt and dust, but hopefully not rust. This time I didn’t dare to test it before cleaning the worst dirt off because ti could cause it to short of maybe scratch my games as they are spinning in the drive. however I was full of hope as from what I understood and the owner remembered this could be a simple