I have a Samsung Led Tv, Harman kardon Avr 155 Receiver and Videocon D2H set top box.
1. Samsung Led Tv - Optical connection, 3 Hdmi ports
2. Harman kardon Avr 155
3. Set top box - Hdmi and spdif connection.
I have connected Hdmi from Set top box to Receiver and Hdmi from Receiver to Tv...