"You can manually specify what the jack should be : 
http://voices.canonical.com/david.henningsson/2011/11/29/turn-your-mic-jack-into-a-headphone-jack/";
If I check Options Set model=auto (codec Realtek ALC888) it began work properly 
but center speaker works only.
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https://bugs.launchpad.net/bugs/941219

Title:
  Speaker Sound does not disable when Headphones are connected. Ubuntu
  12.04 LTS Official Release

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