Getting Apple TV to Work with Samsung TV

I have a Samsung LCDTV Model le52***7pzfxxc. I brought a apple TV. I followed the instructions connecting the HMDI cable switching it all on. Lights came on the Apple TV. My TV came up with a sign: no signal.
I am not really up on what I need to do . I read in the apple trouble shooting, it said to contact Samsung. They were not sure. I think I need to pair it with the ITV. Anybody have any pointers?
I expected to switch it on and it just work!

I guess I'm in that statistically relevant sampling of folks with a Samsung TV that does not work properly with an Apple TV. I'm happy for all of you Samsung owners that don't have the problem.
My symptoms are similar to the symptoms found here, and in other forums, but different enough that I wanted to put them down to see if others 1) have suggestions for other fixes, or 2) at least know they aren't the only one with the problem.
I have an A/V network in my house and I'm having problems with my Samsung LN-52B750 TV. I've isolated the problem to the following components; an Apple TV source, an Apogee 4x4 HDMI Matrix, A Samsung LN-52B750 and two different Sharp LCD TVs (LC-42D62U and LC-40E67U).
If I power up the Apple TV, HDMI Matrix, and Samsung LN-52B750 TV everything is fine. I can view the Apple TV signal fine on the Samsung TV. If I then power on either of the Sharp TVs and set the HDMI matrix to display the Apple TV source on the Sharp TV, I lose the signal on my Samsung TV. This, despite the fact that the Matrix is showing that it still routing the Apple TV signal to my Samsung TV. The Apple TV content displays fine on the Sharp TV.
If I then turn off the Sharp TV and power cycle the Samsung TV, I end up with what looks like a sync problem. I can see the Apple TV signal on the Samsung TV for a second or two followed by a second or two of digital "snow" on the TV. This signal-snow cycle repeats indefinitely. The only way to get back to a usable system is to turn off all the TVs, power cycle the Apple TV, then turn on only the Samsung TV.
Note that I never have the reverse problem with the Sharp TVs. They are always able to view the Apple TV signal regardless of which other TVs are also viewing the Apple TV source signal.
I've updated the firmware on my Samsung TV to the latest. I've also seen posts about getting into the firmware screens and disabling "hotplug" and "hotplugctr" -- neither of which are in the firmware of my model. I've also seen posts suggesting that I name the HDMI input going to the Matrix (and thus the Apple TV) to "PC" -- this didn't solve the problem either.

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    kichat: FAQ 2 - How to get my router to work with iChat? December 2008 version 3
    (Note to Hosts. to be removed on acceptance. Please use this to replace http://discussions.apple.com/thread.jspa?threadID=121775 )
    Getting your router started with iChat.
    Appropriate for using iChatAV 2 upwards. Edits have been made for iChat 4
    Glossary for this FAQ
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    Routers seem to fall into two categories
    Those that work straight from the box. See Apple Article HT1787
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    Check in the Tiger System Preferences > Network Preference Pane, in the "Built in Ethernet" option from the "Show" drop down list.
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