IMPORTANT: Some TVs require that the internal speakers be turned off before outputting the audio signal to another device. Go into the Sound or Speakers menu of the TV and select External Speakers or Audio System.Try changing the channel on the TV to another digital broadcast.Make sure the optical cable is firmly connected to both the TV and the home theater or stereo system.Make sure the home theater or stereo system is set to the appropriate input and mode for the optical connection.NOTE: Each of these steps represents a possible solution to no sound being heard from a TV when using an optical connection to a home audio system or sound bar. In this case, the optical jack from the source device (Blu-ray Disc Player, DVD player, cable or satellite box) should be connected directly to the home theater or stereo system to get the sound.įollow the steps below to troubleshoot if the optical jack does not appear to be working. Additionally, sound sent to the TV through an HDMI connection or other input also may not output through the optical jack. A secondary analog connection can be used to pass the audio signal in this situation. If the content does not contain a digital audio signal, then no sound can be heard through this connection.(PCM or Dolby Digital technology) This feature is available on select digital broadcasts and streaming video, and is not supported on standard cable or analog stations. The optical jack is designed to output sound when the content you are watching contains digital audio.The connected third-party sound bar or home theater system may not be compatible with the TV.The TV may require a system software (firmware) update.ĭownloads are posted on your model support page.The optical cable is not securely connected.The TV is not tuned to a digital channel.The connected home theater system, audio receiver or sound bar is not set to properly decode the digital signal. Below are some possible causes for this issue:
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