Repair of a very broken Mac SE/30 motherboard
1:16:33
12V on a 5V line almost killed this Mac SE/30
42:25
IBM PC 5150 repair: The motherboard doesn't have the typical faults
28:20
Electronic Mystery Machine - What Does It Do?
1:01:45
The Zeos 386SX was a speedy and competitive motherboard
54:04
Apple Wanted this DESTROYED...
33:30
HP 3438A Digital Multimeter Repair, Calibration and Principle of Operation
55:58
Test and try: What's inside this dusty old PC?
15:39