I looked at your card
Newegg.com - PNY VCQFX1700-PCIE-PB Quadro FX 1700 512MB 128-bit GDDR2 PCI Express x16 Workstation Video Card
It seems a lot similar to my card just a little less big but about the same power
Newegg.com - EVGA 320-P2-N811-AR GeForce 8800 GTS 320MB 320-bit GDDR3 PCI Express x16 HDCP Ready SLI Support Video Card
Yours has 2 dvi with an s-video is what i think it is called mine has the same 2 dvi with s-video as you can see.
Now me personally i tried to connect my tv up using the s-video like you with the other moniters but it wouldent give me the full 1080p with nice graphics.
Just for the heck of it unplug your other monitors and see if the tv turns on.
Does your tv have an s-video port on it so you can plug it in direct? Instead of with the s-video to component converter?
Thanks
What i did is i used a dvi to hdmi converter and my 48" tv looks real nice with that set up.
Just a stupid question for those who know more about graphics cards: Can his card support 3 monitors? Or just 2
Oh and one more thing could you give me a model number on your tv