Retro Tech & Electronics made a video about testing and repairing an Amiga 500 power supply. After testing all of the components a bad electrolytic capacitor was discovered.
Iz8dwf made a video of the repair of a Commodore C64 and a Commodore PET 2001. The C64 had a faulty PLA and a bad RAM chip. The PET 2001 needed a new RAM and ROM chip.
Tynemouth Software has repaired two Commodore PET computers. The one PET had a couple of bad IC sockets and the other PET had damaged tracks on the circuit board and a bad capacitor.
Perifractic made a video about the refurbishment of a Commodore C64. In this video you can see the cleaning of the C64, replacing the capacitors, adding heatsinks and spraying the case.
RetroManCave made a video about the repair of a Commodore C64c. He replaced the electrolytic capacitors and added heatsinks to the chips. And he also replaced the original case with a brand new case.
Iz8dwf made a video of the repair of a Commodore C128D computer. This time he repaired the internal 1571 disk drive, replaced the MOS 6581 SID and he cleaned the keyboard contacts.
Jan Beta made a video about his C64 - ALDI. He has cleaned the case and the keyboard. He also replaced the electrolytic capacitors and the bridge rectifier.
This time Jan Beta improves the C64 he repaired previous. The modifications are: new electrolytic capacitors, voltage regulators, a bridge rectifier, heatsinks, bwack's kernal switcher and a new case.
Plan C has made a video about repairing a Commodore C64c power supply. He removed the inside and put a new transformer and electronic components inside the original case.
Jfieldcap wrote a blog about the restoration of an Commodore Minuteman 3 calculator. After cleaning and replacing the battery pack the calculator works perfectly again.