Reinhard Walter Buchner wrote:
Hi Tomas,
Hi Reinhard :) and thanks for your detailed answer!
I don't think that the screen actually is 130". My idea was just to get something better then composite into the beamer. I guess the connectors are ther for some purpose. I don't know what route to take, but since the DVB cards have some options i thought of trying them out.I upgraded to a beamer with various input possibilities. Using a compsite signal with 130" display isn't that fun. From what I understand the best way would be to use the component input.
Aside from composite vs 130" your next problem will be 15,6kHz
AND the low DVB resolution on a 130" wall ;o)) Seriously, your
gonna see scan lines big and fat. Best bet would be to feed your
CRT with a line doubler or tripler. I can still see scan lines on my 8" Marquee Ultra from a quadrupled source ;o))
My false assumtion was that the colour coded cinch connetors actually ment red green and blue. However by reading your and Robertos answers I think that's more likely an YUV setup instead.Is it a false assumption just to use pin3 for blue, pin 5 for green and pin 7 for red? All grounded of course.
You'll also need the "composite" pin for sync. This is composite sync, so make sure your CRT can handle this. Otherwise you'll need a bit of circuitry (LM1881,a NAND gate and a AND gate) to get H & V sync out of the DVB And lastely YUV (component) is *NOT* RGB. YUV is a brightness signal (Y) and a color difference mix (U & V). The DVB doesn't ouptut YUV, but rather RGBs. The "s" being composite sync.