Uploaded December 2021 | Updated September 2026, 3 weeks ago

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Part III of my TRS-80 Model 16B restoration. Today I replace the RIFA (safety) capacitors on the power supply, remove the system card cage, and inspect the motherboard. Finally, I reassemble the system, clean and install the video card, and give the system a power-up test.

Music (in order of appearance):
Studio 2020 by Quincas Moreira
(Taken from the YouTube Audio Library)

Chapter Index:
Intro (0:00)
Cleaning The Power Supply (1:36)
Removing The Chassis (2:02)
RIFA Capacitor Replacement (2:52)
Re-Attaching the Chassis (4:36)
Card Cage Removal (5:21)
Looking Over the Motherboard (6:44)
Motherboard Cleaning (7:47)
Reassembly (8:14)
Cleaning The Video Card (9:28)
Installing the Video Card (10:16)
First Power-Up Test (11:51)
Next Steps / Outro (12:57)

I do these videos unscripted, so I apologize if the in-the-moment descriptions of things are a bit scattered. If you have any questions/comments about this video, you can find me in any of these fine locations:

The Tandy Discord Server
The CoCoTALK! Discord Server
The TRS-80 Color Computer (CoCo) group on Facebook
The CoCo Crew Podcast group on Facebook
On the Vintage Computer Forums (vcfed.org)
The TRS-80 Models I-4/4P Group on Facebook
Tandy / Radio Shack Model II /12 / 16 / 16B / 6000 Owner's Group on Facebook

Thanks for watching!