You Tube videos are only in stereo so a so called surround sound test file will only come from the front left & right speakers.
You do not connect the surround speakers to Zone 2 or Zone 3
, that is when you want speakers in another room. You connect the surround speakers to the surround speaker terminals.
As for seeing if all the speakers are working just use the receivers built in test tones.
of the manual 2 Speaker Setup/1 Level Calibration.
You can download the user manual here https://www.google.co.uk/url?sa=t&rc...4LtQeA&cad=rjt
Onkyo TX-NR809,Sony KDL50W829 ,Virgin Media V Box HD, WDTV, PS3, Philips DVP9560, Marantz CD67, BK Monolith Plus, KEF TDM 23C,23F & 34DS, Darbee Darblet, Belkin F9G6223uk3M, Buttkicker LFE kit, IsoAcoustics L8R430 and L8R155, Mede8er 800X3D
Last edited by Dolus; 07-08-2017 at 08:38 AM.