Worth Saving? Dell Trinitron D1025TM. *Pics*

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halfspec
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Joined: Wed Dec 08, 2021 3:26 pm

Worth Saving? Dell Trinitron D1025TM. *Pics*

Post by halfspec »

Afternoon

I have a chance to pickup a Dell Trinitron D1025TM that's probably been sitting unused for ~15 years for free since my business is throwing it out. It's in pretty good cosmetic shape externally, so it piqued my interest enough to plug it in.
The first couple attempts ended up getting a blinking orange error / standby indicator. After a few more times, I got a full degauss sequence and the monitor powered on all the way with some display issues:

Image

The turn on issues already make me think it's got some bad lectrolytics. I'm just wondering if the display issues are also due to bad caps and if you think it's worth the effort to fix?
I'm a fairly compitent EE and I've done CRT projects in the past but I don't want to burn endless hours on this if it's not something that's potentially fixable. Not asking anyone to predict the future. It would just be nice to know if folks have had decent luck fixing similar issues and if it is a capacitor replacement fix, maybe a pointer at which area / circuit is most likely to be the culprit?

Thank you for your time
Lane
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BazookaBen
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Location: North Carolina

Re: Worth Saving? Dell Trinitron D1025TM. *Pics*

Post by BazookaBen »

There usually aren't a ton of capacitors in the power supply and H/V deflection sections. So I'd start there and see where it gets you

These displays are worth having alone just as a 480p monitor for Dreamcast/PS2/Gamecube/Xbox/Wii.

But they also work great for modern games. My 19" and 21" Trinitrons and Diamondtrons are still my preferred display for modern games. Whether that be Nintendo Switch or PC.
jd213
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Joined: Mon Feb 01, 2016 9:03 am
Location: Pennsylvania

Re: Worth Saving? Dell Trinitron D1025TM. *Pics*

Post by jd213 »

Not an expert but it seems likely that the problem is capacitor-related.

If it were me, I'd at least want to save the tube from going to a landfill, as that seems fine.

I'd also much rather game on a 17" PC monitor than a 13" PVM, despite the latter being much more valuable nowadays.
halfspec
Posts: 9
Joined: Wed Dec 08, 2021 3:26 pm

Re: Worth Saving? Dell Trinitron D1025TM. *Pics*

Post by halfspec »

Thanks for the reply fellas! You’ve made me feel confident enough to at least give it a shot.
I’ll take it home and get started. If I pull off a repair I’ll post here 👍

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alkasey
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Joined: Sun Jul 23, 2023 5:33 am

Re: Worth Saving? Dell Trinitron D1025TM. *Pics*

Post by alkasey »

Definitely worth saving if you have the skills and expertise to do it, such as replacing caps
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