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Questions tagged [crt-monitor]

Cathode Ray Tube monitors: principles of operation and use with computing devices. DO NOT REPAIR CRTs; SEE TAG WIKI FOR DETAILS.

6 votes
1 answer
214 views

Repairing an Old CRT Monitor (IBM 5153)

I acquired a used IBM 5153 monitor. The model number is 5153002. It was manufactured in Taiwan and supports AC100-250V. When I first powered it on, the monitor turned on, but nothing appeared on the ...
Sung's user avatar
  • 509
2 votes
1 answer
172 views

US equivalent of the Microvitec Cub monitor

In the 8-bit computing era, UK schools acquired BBC Micros in a project sponsored by the BBC. The monitor typically used with these was the Microvitec Cub. In the US, there was also a push to put ...
rwallace's user avatar
  • 63.1k
3 votes
3 answers
768 views

ZenithZ89 System Font

What is the font (ttf name ideally) used in the ZenithZ89 System Font? (This is a retro question - if one were to emulate it using currently available fonts, which would be used?)
ina's user avatar
  • 131
4 votes
3 answers
929 views

Sony PVM (PVM-14M1J, NTSC-J) Displaying the Wrong Colors

Edits I have accidentally used the word composite over component, but after testing it with an RGB cable and an S-video cable, the results are the same. I've been told to mention that my PVM is NTSC-...
Tai Alt's user avatar
  • 73
0 votes
1 answer
229 views

Apple II color monitor displays everything in green

I have an AppleColor composite monitor (A2M6020) that only shows green-scale. The color toggle switch on the front doesn’t change anything. I have plugged the monitor into multiple devices with the ...
help's user avatar
  • 39
0 votes
1 answer
156 views

Monitor connector for C64 and ST the same?

I have a monitor (colour) that works on my Atari ST. The connector looks similar to that of my Commodore 64, but it doesn’t seem to fit. Now I don’t know if I just have to use a bit more force, or ...
ABM K's user avatar
  • 472
4 votes
0 answers
370 views

How does the Apple IIgs color compare to the Apple Macintosh color?

There has been an interesting discussion of how to convert Classic Macintosh Color to sRGB, which begs a second question. How does color on the IIgs compare to that of Classic Macintosh? I'm asking ...
Michael Shopsin's user avatar
4 votes
1 answer
534 views

How to use thinkpad x230 with PCjr 4863 monitor?

I understand it is probably more trouble than it is worth, but I am keen on using my 4863 IBM monitor as a second display for my x230. So far I've looked into converting its VGA signal to a CGA output,...
jayVeni's user avatar
  • 41
11 votes
1 answer
2k views

What's the name of this Apple monitor

Browsing through retrocomputing resources, I recently stumbled upon this picture: I'm familiar with quite a few Apple II monitors, but it's the first time I saw this one. There's an Apple logo, so it ...
airman's user avatar
  • 1,372
13 votes
2 answers
2k views

Samsung SyncMaster 3 cannot show resolutions up from 800x600 despite manual saying otherwise

I am in the proud possession of a Samsung SyncMaster 3 monitor. In the reports and in the manual it says it can run 1024x768, but I cannot for the life of me make the resolution higher than 800x600. ...
FrankenPC's user avatar
  • 131
0 votes
0 answers
260 views

HDMI to SCART - Using Mega Drive (Genesis) Mini with CRT

I have a Mega Drive (Genesis) Mini that features an HDMI output that I would like to use on a CRT TV I have with a SCART input. Ideally I would like to convert the HDMI to RGB SCART for the best ...
Peter Bridger's user avatar
7 votes
3 answers
984 views

Did any computer systems connect "terminals" using "broadcast"-style RF to multiplex video, and some other means of multiplexing keyboards?

Rendering a screen full of text as a video signal required a substantial amount of circuitry, especially in the era before LSI semiconductors. A device to generate display signals for a moderate ...
supercat's user avatar
  • 37.6k
7 votes
3 answers
1k views

Sending video to Telerate 9" Green Monitor [closed]

I found an old Telerate green monitor at a thrift store and figured I could run my computer output through an HDMI -> AV converter with no problem, or a Raspberry Pi composite output signal. Turns ...
bitterlake's user avatar
2 votes
0 answers
305 views

Does anybody have information on this tube?

I need to know if this is a color or monochrome tube. It’s in an applecolor A2M6020
help's user avatar
  • 39
0 votes
1 answer
324 views

A2M6020 AppleColor monitor not showing color

When I got my Apple IIc computer, it came with an A2M6020 AppleColor 13" NTSC composite monitor. However, I have not been able to get color working on it. I don’t know if it just has a monochrome ...
help's user avatar
  • 39

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