LG 84LM9600 User Manual page 173

Problem
On certain channels, sound
does not come out or only
the background music plays.
(If it is a program created for
overseas)
There is no sound when
connected to HDMI/USB.
• On Language, set
desired language. Even if the language on
is changed, once the power is turned off or the channel
is changed, the default settings will be reset.
• Verify that the HDMIⓇ cable is high speed.
• Check if the USB device and cable is version 2.0 or
higher.
• Use only regular music (*mp3) files.
Solution
Language ➙ Audio Language as the
Multi Audio