Is there an audio input on your hometheater system? You would need to run an output from the TV to this input to have the audio run through you home theater system. You should then be able to mute or turn the volume down to 0 on the TV and just control the volume on your home theater system.
home theater system
home theater system
home theater system
how many more times can I say home theater system?
home theater system
home theater system
