If you lower the TV master volume to the minimum level (0) or mute it ,
no sound comes out of the TV.
Turn up the TV volume and see if the volume changes accordingly.
If you are using a set-top box, check if the audio is working by adjusting the volume with the set-top box
remote control.
Causes and Symptoms
- Speaker settings have been changed.
Please set the internal speaker as the output.
Try this
The volume indicator does not appear on the screen while adjusting the volume?
➔ Change the output speakers in the TV Settings menu.
Select [All Settings] in the [Settings] menu.
Make sure the internal speaker is set as the output speaker.
If it is set to the internal speaker, skip to the next section.
Test the volume after setting [Sound Out] to [internal TV Speaker].
Volume control works okay, but no sound comes out
➔ Select [Sound Test] in the TV Settings menu and perform the test as follows.
Select [All Settings] in the [Settings] menu.
If it works, the problem is likely due to the set-top box.
Please contact the provider of the set-top box.
Check if the set-top box is on.
※ If the problem persists after the actions are taken, contact our service technician for diagnosis and precise check.
This guide was created for all models, so the images or content may be different from your product.