Skip to Contents

Help Library

Find help information for your LG product

Learn about product installation, maintenance, and troubleshooting using our search options.

[LG webOS TV] Sounds Problems

  • Troubleshooting - Audio
  • Others
  • Troubleshooting
  • TVs
  • Last Updated 07/20/2015

[LG webOS TV] Sounds Problems


If you experience any of the problems below while using the product, please check the following:

There may be no problem with the product.


First of all, perform a Home  settings  advanced setting Sound Sound Test

for check any abnormalities in the TV.









symptom The screen is fine, but it does not play any sound.


              Try another programme.

             home  settings  advanced setting Sound Sound out

              Check whether the Sound Out is set to Internal TV Speaker + Audio Out (Optical) or Internal TV Speaker.


symptom The stereo sound is not clear on an analog programme ,
           or there is no sound from one of the speakers.
             [Applies only in countries where sound multiplex broadcasting is available.]

            home  settings  advanced setting Channels/Programmes Multi Audio

             Select MONO in Multi Audio if you are out of range or sound multiplex broadcasting is not stable.

            home  settings  advanced setting Sound Sound Effects Balance

             Adjust the balance as necessary with the Navigation button in Balance.

symptom The TV sound is not synchronized with the picture,
           or the sound sometimes breaks up.

              If this happens on only some of the programmes,

              it may be caused by the broadcasting company's transmission signal.

              Please have your broadcasting services provider (wired/cable) diagnose the problem.

symptom The volume changes when I change the programme .


              The volume of different broadcasting stations' transmission output may vary.

             home  settings  advanced setting Sound Volume Mode Auto Volume
              Set Auto Volume to On.

symptom The sound does not work or only the background music is played
           in some Channels/ programmes.


             (Programmes produced for export by broadcasting companies)

            home  settings  advanced setting  Channels/Programmes Audio Language
             Set your language preference in Audio Language.,




symptom The sound does not play when I connect to the HDMI/USB port.
              Check that you are using a high-speed HDMI ® cable.
              Check that the USB and USB cable versions are 2.0 or higher.

             Use a normal music file (*.mp3, *.wav, *.ogg, *.wma).


             Information on customer service for product problems is available

                 in home  settings  advanced setting  General About This TV on the TV.





Article Feedback

1. Overall, how satisfied were you with the usefulness of this article?
1.1 Why did the article not resolve your issue?

Characters left : 500 / 500