I have a sony kdl-46nx723 3d tv a sony 3d blu ray player bdp-s490 and a sony ht-is100 5.1 surrond sound , im trying to watch a 3d movie using the sony ht-is100 i'm almost there but i can only get a green screen i know you have to use a digital optical to get the sound from the sony ht-is100,but i cant get the picture has anyone any ideas on how to connect it up correctly. Many Thanks