Uploaded December 2025 | Updated September 2026, 2 weeks ago

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Part 5: The moment is finally here: I'm going to finally power up the repaired Apple Lisa! Will it power on and pass its diagnostic tests, or will it fail spectacularly?

Apple Lisa Playlist: youtube.com/playlist?list=PL4tFqFVNf5LQ-OE8JGNMJQoVOmgkyTorC

Part 1: youtu.be/77El1RmSY0Q
Part 2: youtu.be/zZ84-9zjmYY
Part 3: youtu.be/I6Mp-OVm92U
Part 4: youtu.be/zSlv7GZdFUg
Part 5: This part
Part 6: youtu.be/HMEDMvb4IjM
Part 7: youtu.be/Vwr8A6k9cNM

0:00 Intro
2:52 Power supply harness
7:06 Making a new ribbon cable harness
23:23 Inspecting the Lisa PSU
28:24 Bench testing the Lisa
38:38 Load testing the PSU
46:02 Bench testing the Lisa (Again)

-- Links

Alex's Github with replacement Lisa PCBs:
github.com/alexthecat123/Lisa-PCBs

Adrian's Digital Basement ][ (Second Channel)
youtube.com/channel/UCbtwi4wK1YXd9AyV_4UcE6g

Support the channel on Patreon:
patreon.com/adriansdigitalbasement

My GitHub repository:
github.com/misterblack1?tab=repositories

--- Instructional videos

My video on chip removal without damage:
youtube.com/watch?v=XQVjwPsVFd8

--- Music

Intro music and other tracks by:
Nathan Divino
@itsnathandivino