Commodore 64 Troubleshooting and Repair - Part 1
Commodore 64 troubleshooting part 1 the basics - multimeters and alcohol
Commodore 64 Repair Dead Screen- No Video Repair
Troubleshooting a "black screen" C64
Commodore 64 troubleshooting part 3 - probing with an oscilloscope
Five bad Commodore 64s. One hour. All fixed!
Commodore SX-64 - Troubleshooting - Part 1
How to Fix a Commodore 64 No Video
Can this sad broken C64 be saved?
Commodore 64 breadbin from hell repair Part 1 - somebody really messed up this one
1/12 C64 repair: "Out of memory" problem - the RAM chip conundrum
Stubborn C64 Repair
C64 Black Screen Repair (MT RAM Chips)
I fixed a C64 using a $20 OSCILLOSCOPE
Commodore 64 Troubleshooting and Repair - Part 2
Commodore VIC20 troubleshooting and repair with a budget oscilloscope
Doc64 #17 | Commodore C64 | bad CIA / Joystick Port REPAIR ASSY 250425
Commodore C2N Datasette Repair Attempt
Uncommon Fault C64 ASSY 250407 Repair
Commodore 64 cassette loading fault repair