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Second channel: That Amber Glow. Fixing a shed-found 9" composite monitor (Patreon)

Published:
2026-08-11 18:10:06
Imported:
2026-08

Content

Hello my patrons! As a follow-up to the Apple II+ video last week, here is another shed-found items that needed a little repair. It's a USI Pi4 computer monitor, which is a perfect fit for pairing with something like an Apple II+. This little monitor was hiding some surprises that made it a little harder to fix than I initially thought.

I did a little research (not in the video) looking for prices of the Pi-4 monitor, and it seems it was $170 in 1982, and there was a 12" version the Pi-3 for $200 along with a green Pi-1 (9") and Pi-2 (12") for $175 each. That puts this Pi-4 at about $600 in today's money, if you account for inflation. At least it's well built!

Thanks for all the support!

Direct link: https://youtu.be/9d0jgdrljHU

Files

That Amber Glow: Fixing an shed-found 9" composite monitor (USI Pi4)

Another item from the same shed where the recent Apple II+ came from, this time it's an adorable cute but broken USI Pi4 amber monitor. Let's get this working. -- Video Links Another USI Pi4 repair video: https://www.youtube.com/watch?v=KrX3s_Dp7kc Front door replacement by Polymatt: https://www.printables.com/model/1305956-usi-pi4-9-crt-reproduction-models/related Modding a USI Pi4: https://www.youtube.com/watch?v=9xYQU5SldcA Extras Channel: https://www.youtube.com/@adriansdigitalbasementextras/featured My profile on Bluesky: https://bsky.app/profile/adriansdigitalbasement.com Adrian's Digital Basement Merch store: https://my-store-c82bd2-2.creator-spring.com/ Support the channel on Patreon: https://www.patreon.com/adriansdigitalbasement Adrian's Digital Basement (Main Channel) https://www.youtube.com/channel/UCE5dIscvDxrb7CD5uiJJOiw My GitHub repository: https://github.com/misterblack1?tab=repositories --- Instructional videos My video on damage-free chip removal: https://www.youtube.com/watch?v=XQVjwPsVFd8 --- Music Intro music and other tracks by: Nathan Divino @itsnathandivino

Comments

Rick Arabian

I suggest coating the rust with Rust-oleam rust dissovler gel for an hour and see what happens. That stuff is pretty amazing!

David Hatt

Nice fix! It’s great to see a more simple one every now and then — it gives us lesser mortals hope that they don’t all require deep experience in the black arts of CRT diagnosis to get them up and running! 😎

Mark Dymek

not sure if you saw but the crt is turned 90 degrees to the left. when you showed whatever computer that was i noticed it

Mark Dymek

ok now you fixed it.

Mark Dymek

might still be tilted a bit but not as much as before

Mike C

I love that color. At VCFSW there was a pc running flight simulator on an amber crt screen, it was glorious.

Nathen Fredrick

Love the screenshot there. Reminds me of Jesse's fashion tips from a British TV show called the fast show.

For the Birbs (Jim Hooke)

6:25 These caps are from Taiwan Chinsan Electronic Industrial Co., Ltd, founded in 1970 and headquartered in New Taipei City, Taiwan, manufactures capacitors marketed under the Elite brand. Listed on Digikey

Adrian's Digital Basement

Nice! Considering this monitor really did just work and I needlessly changed those two caps, it's impressive. Compare that to those Pelco monitors made in the early 2000s and the caps all had to reform and it acted up. Meanwhile this was left in a leaking non climate controlled shed for 30+ years....

Adrian's Digital Basement

It is tilted yeah. The yoke is glued on and I didn't feel like unsticking that to fit it. Funny is it would have been exactly like this since new. Funny as clearly they tried to make a good computer monitor but didn't align the yoke properly.

Markintosh

Woohoo-you guys DID it!! Congratulations!! You’ll be playing DOOM on it in no time!