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Article #10760

TV->RGB hookup?

#10760
From: George II Lenzer
Date: Wed, 07 Oct 1992 17:05
30 lines
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	I was fooling around with an RGB monitor and an Amiga
computer and got the two to work together.  After I thought about
this for a while, and idea came to me.  Is it possible to get an
RGB output from a television and connect it to my RGB monitor?
Then I thought, if I can fing the right points to make the 
connexions, could I use a television as a lowgrade RGB monitor.
So; I explored.  I opened up my 13" Emerson television and began
looking for the RGB signals.  After taking all the neccessary 
precautions to avoid electrocution, I checked the voltages of th
RGB signals and found them to be 2.8v.  Since I don't have a scope,
I couldn't find the horizontal and vertical sync signals.  I 
guessed that they may have been at the H and V hold pots, but that
may have been wrong.  I haven't been able to find a SAMS fotofact 
folder for my television so I think I'm out of luck.  Anyway,
I did get (sort of) a picture from my Amiga on the television.  It
was unsynced, but the colours looked right.  Now, my question:
Is the NTSC standard compatible with RGB?  I remember seeing some
info somewhere on it implying that it is.  Or, am I on a wild
goose chase?  Is it possible to extract an RGB signal from a 
composite video signal?  I would like to use my monitor for double
duty with a VCR.  Any suggestions would be appreciated.

						Thanx,
						George II Lenzer

-- 
"I'll let you in on a little secret.
	The whole universe is totally INSANE!!!!"
						Mr. Natural
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From: an938@cleveland.Freenet.Edu (George II Lenzer)
Newsgroups: sci.electronics
Subject: TV->RGB hookup?
Date: 7 Oct 1992 17:05:43 GMT
Organization: Case Western Reserve University, Cleveland, Ohio (USA)
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