Question about Onkyo HT-S990THX System
Check speaker wireing make sure all positive and negative connections are correct. What cable are you running from tv or DVD player.check to see that wireing is correct on receiver for sorround speakers. Run audysee sound calibrator set up. Make sure correct settings for sorround sound in bluray player/DVD player
Posted on Dec 26, 2012
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Posted on Jan 02, 2017
you are in stereo mode which only uses the two front speakers, hit the surround sound button remote or hit the mode button and cycle through until you get to the Dolby II setting
Posted on Jan 01, 2008
I had the same problem and fixed it by manually setting the surround speakers changing the Level Cal to +12dB. You will immediately notice a significant increase in volume and may need to back down on the dB's. What a diffence it makes!
Posted on Dec 17, 2008
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