I have connected the TV to the sound bar with optical fiber cable and there is no sound
This can be the reason
Wrong connection settings made between the sound bar and TV.
Shall we take a closer look?
You can enjoy deep and rich sound by connecting the TV to the sound bar using optical fiber cable.
However, if wrong output settings has been made for TV speaker or wrong option was selected from the sound bar,
there may not be any sound coming out from the sound bar.
Wait! Here are some more tips
If the TV volume is too high, it may make high-pitched sound when connecting to the sound bar or may have echo issues.
Set the TV volume to the lowest before you connect it to the sound bar and use sound bar remote control to adjust the volume.
Check connection between the TV and sound bar.
Follow below steps to connect the TV to the sound bar.
1.Connect optical fiber cable to Optical Digital Audio Input port at the back of the sound bar and Optical Digital Out (OPTICAL OUT)
port at the back of sides of the TV.
2.Press [F (Function)] button of the sound bar remote control and select [OPT/HDMI ARC] function from the sound bar display panel.
3.Press and hold [Settings] button from the TV remote control and select [Audio].
Then from [Sound Out] menu, select [LG Sound Sync (Optical)].
When the TV is successfully connected to the sound bar, you will see [LG OPT] appearing on the sound bar display
4.Press the volume button from the TV remote control. You will see the current volume on the right-bottom of the screen.
If you can adjust the volume from the remote control and get sound from the sound bar, the connection is made successfully.
Wait! Here are some more tips.
Setup method and names of the menu may differ by TV manufacturer.
Please refer to the TV manual for more information.