Video is not matched with audio.
Symptom
Audio and video don’t synchronize.
You can adjust AV Sync. from sound menu.
※ This is provided for some models only.
How to fix
[Settings] → [Sound] → [AV Sync. Adjust] → [On]
※ The more “- “, the faster the audio and the more “+”, the slower the audio.
Smart TV ’12~’13
Menu → Sound → AV Sync. Adjust
※ The more “- “, the faster the audio and the more “+”, the slower the audio.