i have tried to connect my playstation 3 to my surrond sound amp and i am not getin sound from it i have got a HDMI cable from PS3 to my TV and then i have a optical cable going from my PS3 to my AMP no sound? the cable is a 1.4a what ever that means. I am triing to use my PS3 as my blu-ray player as i my getin sound distortion with my sony-s370 i just useing the PS3 to see if it is my sony-s370 that is the problem?