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Old 03-23-2015, 08:34 AM
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CoogarXR CoogarXR is offline
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12" color CRT TV or Monitor?

Well, I am thinking about finally getting to one of my "bucket list" projects.

I have a TRS-80 model 4. When it was shipped to me with no packing materials whatsoever, somehow the CRT didn't survive. Go figure right? And the CRT rolled around inside and destroyed every single board except the keyboard. So basically I have a nice shell.

What I would like to do is just turn it into a vintage PC/Emulator gaming rig. I would like to find a 12" color CRT that would fit into the original 12" BW CRT spot. I know I could put an LCD in there, but I would like to keep it CRT. Problem is, I seem to only find 9" and 13"/14" color CRTs.

Anybody have a 12" color monitor or TV they want to unload? A monitor would be best, but since it's just going to be for gaming, I can use a TV. Problem is, it has to be kinda shallow too (the neck can't be very long). I can get measurements if anybody comes up with a prospect.

Or do you guys know of any 12" color TV/Monitor models I could be on the lookout for?
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Old 03-23-2015, 09:32 AM
zeno zeno is offline
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The only 12" color sets I remember were Sonys. They did
have a line of monitors IIRC model numbers start with CVM.
They would take composite input & maybe TTL. Very good
13" is the standard size for SS TV's but over the yrs almost
all sizes were made.

73 Zeno
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Old 03-25-2015, 12:37 PM
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Findm-Keepm Findm-Keepm is offline
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The Sony 12" CRTs were 330AB22, 330CB22, and 330GB22, found in KV-12XX, CVM-12XX and PVM-12XX models. The CVM and PVMs are monitors, and the KV-12XX models are all TVs. 90 degree deflection on all, so the neck will be longer than the 110 degree 310-series CRT used by Tandy in the Model 4.

I had one of the Model 4's - I swapped it for a 2400 baud modem for my PC-XT clone in the late 80s. Wish I still had it

USN RET (Avionics / Cal)
CET- Consumer Repair and Avionics ('88)
"Capacitor Cosmetologist since '79"

When fuses go to work, they quit!
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Old 03-25-2015, 03:21 PM
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andy andy is offline
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A Sony CRT wouldn't fit the mask well, but you might be able to find a 12" VGA computer monitor that would work. Length would be the biggest problem. If you've freed up a few extra inches behind the CRT from taking the boards out, then it might be possible.

It's old, but the IBM 8513 is a 12" VGA monitor.
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