Apple tv2: No sound

Hello, I connected the hdmi cable directly to hdmi 2 on my tv and got now sound at all. I am trying to connect it directly to my receiver now and I can't even get Apple tv recognized by the system at ths point. I had one open hdmi port open on the receiver and set the receiver to that port and it indicates "unsupportd signal... I'm at a loss. Any help is greatly appreciated. Thank you

I'm sure some experts will jump in here and help you. With my limited knowledge, I assume in the first case, you were trying to "airplay" to your ATV2 and on to your set. IF your MB supports airplay (I think you need the latest iTunes to do this), from my limited experience, it should have worked. Note, I think you have to go into Preferences/Sound/Input in order get sound in this manner.
Re running your video though a home theater receiver, I've read other post that say this is kind of iffy. To test your ATV2, you should select a movie or other video with a "preview" feature and run it. If you get sound and video, there should be nothing wrong with your hook up. In this mode, if you run an optical audio cable from the ATV to your home theater receiver, you should get sound. I think in this configuration, it's still best to get the video directly from your ATV2 --> HDMI --> TV.
It goes withoug saying that if you're trying to airplay, you will need your ATV2 on the same wireless home network as your MB. A more bullet proof method would be to go hard wire (HDMI directly from your MB to you TV). You will need the dongle in the link below for this method.
http://store.apple.com/us/product/H3983ZM/A?fnode=MTY1NDA3Ng

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Hi
I Purchased an Apple TV2 last week and have been unable to get sound on my LG PLasma TV Model # 42PG60UD and need help. There is sometimes a little static noise. The actions I have taken so far to resolve are
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GH

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