EMac vs. HDTV

I've been trying to get my eMac to display on a 2nd monitor (my HDTV) for a couple weeks now. I'm hoping that someone can lend me sme help here!
The HDTV has both S-Video and Component (Y,Pr,Pb) inputs and supports 480i, 480p, and 1080i. It has a 16:9 aspect ratio. I have other devices displaying 480p properly and it looks great!
I have hooked up the S-Video with the Apple Mini-DVI to Video Adapter
That adapter works ok but displays only up to 854x480 (or 640x480, but it looks funny)
NEXT, I tried the Apple Mini-DVI to VGA Adapter
Since the HDTV doesn't have a VGA input, I used ATI's VGA to HDTV Adapter
Which seemed like a logical solution to me, but I cannot get the display to work properly. I can get the TV to display a very garbled image, all pink and scrambled, but nothing legible or usable.
I thought perhaps I need more control over the resolution and monitor expansion. So I installed Screen Spanning Doctor to enable the use of an extended dektop with my eMac. This works perfectly with the S-Video adapter or any 2nd monitor I hookup. Marvelous little program. Then I installed SwitchResX to setup custom resolutions. Whichalso works great with the S-Video adapter or any 2nd monitor I hookup.
SO, am I totally wrong in these attempts? Is there something silly that I'm missing? Will my Mac (or ANY Mac) be able to do this? Do I need a different adapter? Does the TV need a different input (like VGA or HDMI)? Please help! Thanks in advance!

I agree with PT 100%.
You seem to be doing everything correct here. My
only advice is to rule out either the computer, the
adapters, or the HDTV as the culprit of the problem.
If you have another computer/laptop around I would
try it with whatever connections available and
confirm that the tv properly accepts s-video
connections from a computer and not just from a dvd
player.
You say that with SSD you can use a second monitor so
the computer and adapters seem ok.
I did try the VGA>HDTV Adapter with another computer with the same luck. Even tried a Windows computer, no luck. I get a good display on a 2nd regular VGA monitor too.
I got to talk to ATI tech support and they said that Macs don't have a driver for HDTV support. I don't know how true that my or may not be. There are a few ATI cards for Mac, but they say nothing of HDTV connectivity.
I am finding bit of info about using Firewire as the hookup if you have a Tuner or some other external device between the Mac and the HDTV.
Suggestions anyone?
Thanks!

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Message was edited by: Steve Wiskowski

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