LG 55LM670T User Manual page 187

Sound
❐
HOME ➾ Settings
First run a Sound Test to verify that the sound signal output is normal.
If there is no problem with the test sound, check connected external devices and
the broadcast signal.
Problem
Screen display is on but there
is no sound.
For an analogue broadcast,
stereo is not clear or sound
comes from one speaker only.
➙ SUPPORT ➙
• Check other TV programmes.
• Ensure the
• In a poor reception area (areas with weak or unstable
signals) or if Multi Audio is not stable, select
Multi Audio.
• Adjust the Balance using the Navigation button.
Sound Test
Solution
TV Speaker is set to On.
Mono on