LG 42PA4500 Owner's Manual page 235

ꕢ Each channel's volume is different.
• Depending on the channel, there can be differences in volume.
• Please set Auto Volume
ꕢ On certain channels, sound does not come out or only the background music
plays. (If it is a program created for overseas viewers)
• On Language, set
to the language on
power or changing the channel.
to On.
Language ➙ Audio Language
Multi Audio may returned to the default setup by turning off the
to the desired language. Changes