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runco vfc-4400

 
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Krepticor



Joined: 17 Jun 2009
Posts: 5



PostLink    Posted: Sat Jul 14, 2018 5:18 am    Post subject: runco vfc-4400 Reply with quote


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does anyone have Anymore info on this line doubler/tripler/quadrupler?
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kal
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Joined: 06 Mar 2006
Posts: 15655
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Sat Jul 14, 2018 1:29 pm    Post subject: Reply with quote

More info here: http://www.curtpalme.com/VideoProcessors.shtm#Runco

What are you looking for exactly?

Kal

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My basement/HT/bar/brewery build 2.0
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Curt Palme
CRT Tech


Joined: 08 Mar 2006
Posts: 23648
Location: Langley, BC

TV/Projector: All of them!


PostLink    Posted: Sat Jul 14, 2018 4:06 pm    Post subject: Reply with quote

I've worked on a few of them back in the day. Not really good units, even 10 years ago, and worthless at this point. Probably about $20K when new though.
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kal
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Joined: 06 Mar 2006
Posts: 15655
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Sat Jul 14, 2018 8:58 pm    Post subject: Reply with quote

They definitely had that massive Sam Runco markup on them! Wink

Kal

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Curt Palme
CRT Tech


Joined: 08 Mar 2006
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TV/Projector: All of them!


PostLink    Posted: Sat Jul 14, 2018 10:23 pm    Post subject: Reply with quote

BTW, if you need a low cost scaler, look for a used Lumagen or Faroudja. Far better and more reliable than the Runco. A bunch of the Runcos suffered from bad caps, causing low output, color shift, etc.
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Krepticor



Joined: 17 Jun 2009
Posts: 5



PostLink    Posted: Sat Jul 14, 2018 11:17 pm    Post subject: Reply with quote

well I found one cheap and wanted a line doubler/quadrupler for converting old rgbs output videogames prior to a scaler, issue is I know the output on most of those is actually 240p

my issue is I do not seem to be getting video from the runco

I dont have my projector setup just yet, so I can't wire it up to that just yet, just testing for functionality at this point
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kal
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Joined: 06 Mar 2006
Posts: 15655
Location: Ottawa, Canada

TV/Projector: JVC DLA-RS56


PostLink    Posted: Sun Jul 15, 2018 1:27 pm    Post subject: Reply with quote

A line doubler/quadrupler is a scaler. Simply one with a fixed output resolution. A doubler takes 480i to 480p. A tripler to 720p. A quad to 960p.

More info: http://www.curtpalme.com/CRTPrimer_18.shtm

Kal

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Curt Palme
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PostLink    Posted: Sun Jul 15, 2018 3:00 pm    Post subject: Reply with quote

No scaler save perhaps for a Lumagen will convert an RGBS signal to anything. If the Runco has a VGA input, it's simply a passthrough connection from that VGA connector to the 5 BNC outputs.

You should be able to take the RGBS output and connect it directly to your projector RGBHV input. If you use the RGBH inputs, that's equal to RGBS.
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AnalogRocks
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Joined: 08 Mar 2006
Posts: 25368
Location: Toronto, Ontario, Canada

TV/Projector: Sony 1252Q, AMPRO 4000G


PostLink    Posted: Sun Jul 15, 2018 3:54 pm    Post subject: Reply with quote

Why not run 240p on the projector? Scan lines 6 feet high!
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nidi



Joined: 17 Aug 2008
Posts: 182
Location: Switzerland


PostLink    Posted: Sat Apr 20, 2019 9:17 am    Post subject: Reply with quote

anything you need to know about retrogame video formats and best processors can be found here:

http://retrogaming.hazard-city.de/

hope that helps

Michael
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