On my HI-FI system it has 3 x RCA Triple Phono AV input sockets and my Samsung has 3 x RCA Triple Phono AV Audio output sockets so in other words my tv is sending audio to my HI-FI system. so I connected all of this up and changed my Hi-fi system to it could detect my TV, then I when on Samsung TV and when on source, then clicked on components and there was no sound coming out of my speakers please can someone help thanks