They bought a RESTORED Marantz and didn't even know it! Probably because it NEEDS WORK

Need tools? Here's a video showing what I use (with links!): https://www.youtube.com/watch?v=MLK649c1_fM Want to support the channel? Buy me a coffee! https://buymeacoffee.com/ahfixit This Marantz 4300 showed signed of needing its controls cleaned. They definitely needed a cleaning, but when the cover was taken off, it became clear that someone had been here before! However, the main issue was not what I expected...