Skip to Contents

Find Useful Tips & Tricks with LG

Find help information for your LG product

Learn about product installation, maintenance, and troubleshooting using our search options.

Sound : Sound and picture are out of sync

  • Others
  • Others
  • Operation
  • TVs
  • Last Updated 26/06/2018

Cause :  If Sound and picture are out of sync, adjust the AV sync accordingly.


2 steps are needed for the AV sync adjustment.

      This AV sync function can be used only with the internal TV speaker.

       For the external device, use the external device’s sound sync function.

          (Available for only some products. Contact the manufacturer for detailed info.) 

Step 1) Sound Out) [Menu] → [Sound] → [Sound Out] → [Internal TV Speaker]

Step 2) AV Sync Adjustment) [Menu] → [Sound] → [AV Sync Adjustment  Off → On ]

           → Internal TV Speaker #Value control  

                -1, -2, -3… Sound output becomes faster than the standard output value

                +1,+2,+3… Sound output becomes slower than the standard output value

When you select Bypass, the broadcasting signal or sound output can be heard without any delay.

      Sound can be heard in advance with the TV input signal processing time.


Article Feedback

1. Overall, how satisfied were you with the usefulness of this article?
1.1 Why did the article not resolve your issue?

Characters left : 500 / 500