In the back of your TV must have at least two connections one is the audio output of your TV (audio output) for the audio out what you see on your TV, you plug it in audio input (audio in) your home theater with an RCA cable, which is usually red and white, if you have multiple entries in the latter, (such as a DVD EG.), you need to select it either with the remote or the front control, input escojiste (connection on the audio input, audio in, which comes from the tv) to listen to the TV for example, AUX, If you will not hear the TV audio only Put mute, or select the volume on your TV and Subele everything you want to your home theater, check your user manual if it is set in center, front and rear horn, if so configure can even achieve a good quality effects. I hope I have not confused with many more details and enjoy your computer you achieve 100%