liquid

I am not the best with electronics so pardon my inexperience. I recently obtained a Technics CD player which was used in the music room of a retirement home for a couple years. It powers up, the laser moves, but it does not detect any discs, no spinning. Inside the dock, there's this blue gunk...

Hi there, so I have recently gotten my hands on a well cared for Realistic 909 Reel to Reel. It worked great when I tested it out at their house. It played, it recorded, it FF and RW.. Then I got it home and it was fine for maybe 10min and before I knew it the FF and RW feature began to...