TJBChris | TRS-80 Model 4 Restoration: Recapping the Power Supply & Assembling the Keyboard @TJBChris | Uploaded September 2020 | Updated October 2024, 15 hours ago.
Continuing the restoration of my TRS-80 Model 4, I recap the power supply, reassemble the keyboard, and test it all out.

Intro (0:00)
Electrolytic Cap Replacement (0:54)
Keyboard Reassembly (3:57)
Filter/Safety Cap Replacement (5:56)
Power Supply Installation (7:11)
Testing (7:21)

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

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!

Music (in order of appearance):
Sideways Samba
Carnival De Brazli
The Machine Assembly
(All taken from the YouTube Audio Library)