if you want multi-channel sound from the built-in mediaplayer just play a dts movie on the tv and then go into the menu and set sound to dts. for tv sound in multi-channel you need to set it in menu broadcast as well. weird thing is this cannot be chosen while it is not playing anything with dts or dolby digital sound in it. you can only set dts2:5 when it is on external speakermode also. hope this helps you.
Klipsch fronts 2xRF-82-II 150W 33Hz-24KHz , center RC-64-II 200W 59Hz-24KHz , sides 2xRS-62-II 150W 50Hz-24KHz , rears 2xRB-81-II 150W 44Hz-24KHz , heights 2x Salora T25i
Yamaha RX-A3040, SVS PB13-Ultra 1000W 14-200hz
4 mm el cheapo wire / Samsung UE-ES8000S TV+evo 2014 / Optoma DH-1015 Sony PS3