Yamaha SR-C20A User Manual page 69

TROUBLESHOOTING > When a problem occurs: Audio
No surround effect
l Stereo playback is selected.
Select surround playback.
– "Surround playback" (p.35)
l The volume is too low.
Turn up the volume.
– "Basic control during playback" (p.32)
l The TV or AV device is set to output 2-channel audio (such as PCM) only.
Change the audio output setting on the TV or AV device to output Bitstream audio signals.
l Sound is also heard from the TV's built-in speakers.
Turn the TV's volume all the way down.
l You are listening from a position that's extremely close to the sound bar.
You should listen at some distance from the sound bar.
69