my toshiba tv wont let me play my ps3 simply because there are no other buttons on the actual tv other than channel up and down and volume up and down so i cant hit an imput button or menu button..i can watch tv perfectly fine, its just i cant get it to any channel that i can see my ps screen...idk im so confused just because there is no other buttons on the tv itself and its not even that old so im even more lost..helpp?