S-Video/composite board for Atari STs -- great for STFs

All information relating to connecting your ST to a modern TV/monitor.
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vattari
Posts: 15
Joined: Wed Dec 27, 2017 7:45 am
Location: Victoria, Australia

S-Video/composite board for Atari STs -- great for STFs

Post by vattari »

(I recall a few years back when I first got back into Atari's, I came up with this and was shot down on the Atari Forums. I'll post it for other's reference because, well, it actually worked!)

For countries where SCART is less common, obtaining a better video signal than RF/composite on modern displays required Multisync monitors or genuine Atari monitors. The reason I got this originally is because I picked a very cheap 1040 STF and had no way at the time to use it (my monitor/video handling situations is well and truly sorted now though ;) ).

I came across a RBG to S-Video convertor that I feel got very good results, cheaply. It's the Wei-ya CV-04 RGB CGA to TV composite video converter, available here:

https://www.sintron.co.uk/products/sint ... erter-mame

As you can see, you can switch between PAL and NTSC output.
CV04 in plastic housing
CV04 in plastic housing
s-l1600.jpg (125.54 KiB) Viewed 7119 times
Composite and S-Video outputs
Composite and S-Video outputs
s-l1600 (2).jpg (134.35 KiB) Viewed 7119 times
Atari 13 pin DIN with audio output
Atari 13 pin DIN with audio output
s-l1600 (1).jpg (159.38 KiB) Viewed 7119 times
Medium resolution desktop in S-Video
Medium resolution desktop in S-Video
s-l1600 (3).jpg (296.23 KiB) Viewed 7119 times
PPutnik's GODS splash screen in S-Video
PPutnik's GODS splash screen in S-Video
s-l1600 (4).jpg (244.16 KiB) Viewed 7119 times
PPutnik's Chaos Engine in S-Video
PPutnik's Chaos Engine in S-Video
s-l1600 (5).jpg (205.41 KiB) Viewed 7119 times
Overall, I was very happy with the S-Video output. The medium resolution photo above of the desktop probably doesn't do it justice, but you can see that most lettering (especially "i's" and "w's") are present and not skewed.
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Smonson
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Location: Canberra, Australia
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Re: S-Video/composite board for Atari STs -- great for STFs

Post by Smonson »

That looks good - when you move the cursor around, do you get de-interlacing artifacts like on the Gonbes upscalers?
vattari
Posts: 15
Joined: Wed Dec 27, 2017 7:45 am
Location: Victoria, Australia

Re: S-Video/composite board for Atari STs -- great for STFs

Post by vattari »

I did purchase a GBS8200 around the same time and noticed the mouse pointer “anomaly”.
I have to admit, I don’t have this anymore but I do recall that that wasn’t present.
slotti
Posts: 1
Joined: Mon Jul 16, 2018 12:00 am

Re: S-Video/composite board for Atari STs -- great for STFs

Post by slotti »

Stupid question, but what kind of cable to you use from the converter to your LCD. My LCD only has VGA, hdmi, and dvi.
Also, is the cable from the atari to the converter custom.
vattari
Posts: 15
Joined: Wed Dec 27, 2017 7:45 am
Location: Victoria, Australia

Re: S-Video/composite board for Atari STs -- great for STFs

Post by vattari »

slotti wrote: Mon Jul 16, 2018 12:03 am Stupid question, but what kind of cable to you use from the converter to your LCD. My LCD only has VGA, hdmi, and dvi.
Also, is the cable from the atari to the converter custom.
It’s just a standard 4 pin S-Video cable. I can’t speak for other regions but in Australia they have been included on TVs as standard from around the mid 90s onwards. They’re less common now (with most LCDs typically have component inputs and composite now at the low end)
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