Xbox 360 no audio

Try the following:

• Update your console software.

Reconnect your console and TV:

1. Remove any devices placed between the console and the TV.
2. Connect the HDMI cable from the back of your console directly into the HDMI port on your HDTV or monitor.
3. If you're using an audio-only A/V cable, unplug this cable and then connect the HDMI cable from the back of the console directly into the HDMI port on your HDTV or monitor.Learn more about connecting your console to a TV.

Note If your HDTV has an image-enhancement feature or any kind of digital noise-reduction feature, turn this feature off. See your HDTV user manual for instructions.

you can use a special audio cable avalible at walmart http://www.walmart.com/ip/Axis-41248-Axis-Digital-Optical-Toslink-Cable-6/21089610

OR


buy one of these and hook the white and red audio cables to the imput on the surround sound
http://www.bestbuy.com/site/eForCity+-+Optical+Audio+Adapter+for+Xbox+360+HDMI+AV+Cable+Gaming+-+Gray/4338413.p;jsessionid=1645495912DD7B9466A02420184C1551.bbolsp-app04-148?id=1218475496784&skuId=4338413

Step 1:

Connect the audio/video input of the component cable into the "A/V" port located on the back of the xbox 360

Step 2:

Match the red, blue and green cables on the other end of the component cable to the corresponding component ports on your HDTV. If your HDTV has more than one set of component inputs, make note of which one you use.

Step 3:

Slide the switch on the component cable to "HDTV."

Step 4:

Turn on your HDTV. Set the video mode to the component port that will be used. HDTVs with multiple component ports will usually be labeled "Component 1," "Component 2" and so on

Step 5:

Turn on the Xbox 360. Go to "My Xbox." Select "System Settings" then "Console Settings" then "Display" and then "HDTV Settings." Choose the display setting (720p, 1080i and 1080p) that is best compatible with your HDTV. If you're not sure, try them all until you find the one that looks best.

Step 6:

Disconnect any previously connected A/V or component cables.

Step 7:

Connect the HDMI AV cable connector to the "HDMI AV" port on the Xbox 360.

Step 8:

Connect the other end to an available HDMI port on your HDTV. If your HDTV has more than one HDMI input, make note of which one you use.

Step 9:

Turn on your HDTV. Set the video mode to the HDMI port that will be used. HDTVs with multiple component ports will usually label them "HDMI 1," "HDMI 2" and so on.

Step 10:

Turn on the Xbox 360. Go to "My Xbox." Select "System Settings" then "Console Settings" then "Display" and then "HDTV Settings." Pick the display setting (720p, 1080i and 1080p) that looks best on your HDTV.

i have the same system. all you have to do is when you connect your xbox 360, press the surround button on the remote and then use the arrow buttons to change it to dolby music pro2 or multi channel audio. same goes with any device you connect. hope it helps. In my case the xbox is connected to the Tv via HDMI and bluray player is connected to xbox via compoent cable

First make sure your video cable is set to TV not HDTV

Then plug the 3 RCA cables into the color coded slots on the TV. Make sure you aren't using the red cable from the component RGB but are using the red cable for sound (next to the white one).

Then, if you still have no picture, start the console using the controllers Xbox button and hold "Y" and "RT" until the console restarts. this will reset the video settings on the 360 to default.

Follow this guide if you get confused:
http://support.xbox.com/en-us/pages/xbox-360/how-to/audio-video-devices/connect-xbox-360-console-tv.aspx

and for the video reset about halfway down the page:
http://support.xbox.com/en-us/Pages/xbox-360/troubleshoot/xbox-360-top-issues/tv-or-monitor-screen-is-blank-while-connected.aspx

if you go cable direct and still not getting any sound....ur speakers are malfunctioning

Connect audio out cables (L and R) from HDTV to far left audio input at back of hts 3555. Then connect HDMI output from XBOX360 to HDMI input slot on TV. Setup XBOX 360 for audio through HDMI turn TV off and then on and all should be good. It worked for me.

Is the problem that you're using a single HDMI cable to connect your Xbox to your TV? If so, this Turtle Beach article should help... ________________________________________
HDMI and Connecting Ear Force Xbox Headphones
The current Microsoft Xbox 360 series of gaming consoles allow the use of HDMI cables for simpler hookup to home theater systems and Hi-Definition televisions (HDTV).
The Xbox 360 Elite (the black one) comes with two additional cables, an HDMI cable and a separate AUDIO cable that provides a pair of RCA jacks (red and white) and an optical digital audio output (S/PDIF Out). With this cable package, you can easily connect any of our X-series headsets and an HDMI-connected television at the same time.
This Xbox 360 HDMI Cable package is available as an extra-cost option from Microsoft: http://www.xbox.com/en-US/hardware/x/xbox360hdmiavcable/
Here's a more in-depth explanation of the Xbox 360 HDMI Cable and how it works: http://support.microsoft.com/kb/937899?sd=xbox
[NOTE 1:] The standard Xbox models do not come equipped with this cable set. The HD cable they have obscures the HDMI connector, so that the two sockets cannot be used at the same time. If you only have this stock HD connector (component video, composite video, stereo analog audio and optical digital audio connectors), then you will not be able to use the HDMI connector at the same time.
In order to use both sockets at the same time (HDMI and A/V) you'll need to purchase the Xbox 360 HDMI Cable package described above.
[NOTE 2:] The current Xbox 360 Elite Holiday Edition (Fall 2009) does not come with the HDMI Cable set.
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Some companies make aftermarket HDMI cables for use with the Xbox 360, but these may not provide the dual RCA jacks that carry the 2- channel analog audio necessary for hookup of the anlog-only Ear Force X-series headsets. If this is what you have, you may need to find another way to connect your Ear Force X-series headset.
The TOSLINK digitally-connected X-series headsets can be always be connected using optical digital "Toslink" connections (and that's the best way to use them!).
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The oldest white-and-gray Xbox 360 models DO NOT have an HDMI port. With this particular (obsolete) model, you cannot use HDMI connections, but you can use any of our X-series headsets.
Current Xbox 360 models all have separate HDMI and A/V ports ("sockets") on their back panels.
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Here are some suggestions for alternative connection schemes:
XBOX 360 AUDIO PLAYS THROUGH TELEVISION SET:
For X4 and X41: Your best bet would be to connect the Xbox optical digital audio out to the X4 transmitter's optical digital input. Then connect the X4 optical digital output to the optical digital audio input on your HDTV or home theater amplifier.
[NOTE:] Some HDTV systems have an optical digital audio output that will not transmit Dolby Digital/DTS encoded digital audio, only stereo PCM audio will be passed. In this case, you must connect as above.
For X2, X3 and X31: You can use the Headphones jack or the Audio Out jacks on your TV to connect to the Audio In jack on the Transmitter.
For X1 and X11: You can use the Headphones jack or the Audio Out jacks on your TV (if available) to connect to the headset's analog Audio Input.

NOTE: Please make sure your TV has Audio Out jacks. Some TV's only have Audio In jacks.
Audio In jacks only accept incoming audio signal; they do not send audio signal out. If no audio signal is being sent to the headset, no sound will play from the headset.
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You may need to purchase a suitable adapter cable in order to connect the TV audio output(s) to the Ear Force X-series headset's transmitter or Audio Input plug.
- Connect the HDMI cable so that the Xbox 360 plays its audio through the TV.
- For X1, adjust the Dashboard > Settings > System > Voice in the Xbox 360 so that the talkback and game sounds are played together (Play Through Speakers). - For X3, X31, X4 and X41, you should set this to Play Through Headset.
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XBOX 360 AUDIO PLAYS THROUGH HOME THEATER RECEIVER (except X4 and X41): This is exactly the same as the above, except that you will use the receiver's Headphones output jack to connect to the Audio In on the Ear Force Xbox-compatible headset's Transmitter (X2, X3, X31) or the green Audio Input plug (X1).
- You may need to obtain a shielded audio cable with 1/4" stereo phone plug to 1/8" stereo mini-phone plug ends. The 1/4" phone plug goes to the receiver's Headphones jack, while the 1/8" mini-phone plug goes to the Audio In on the Ear Force Transmit- ter (X2, X3, X31) or Audio Input plug (X1).
- Adjust the Dashboard > Personal Settings in the Xbox 360 so that the talkback and game sounds are played together (Play Through Both). For X3 and X31, you may also set this to Play Through Headset.
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Very often on HDTVs there may be more than one YPbPr connection... That is the Red Green and Blue. Under each one, or next to, or above, there should be separate red and white audio hookups for each set of YPbPr hookups.

Make sure they are hooked into the corresponding plugs.

Hope that helps.

I have it and it works great! For all TVs, the TV have to be on fixed settings on standard, dot-by-dot mapping, noise reduction off. The camera's exposure the same for both side-by-side shots. Just set it on standard and it should work...