Symptoms
- Audio only plays from the left or right side
- Balance seems off but volume level is fine
- Problem happens on some apps or inputs but not others
- External speaker or soundbar setup has one channel silent
Likely causes
- CommonAudio balance setting shifted to one sideA balance slider accidentally set toward one channel will make audio sound like it's from a single speaker.
- CommonContent itself is mixed with mono or off-center audioSome older or poorly mastered content is genuinely mixed unevenly, which isn't a TV fault.
- PossibleFaulty external speaker or soundbar channel/cableIf using external speakers, one channel's cable or speaker itself could be damaged.
- PossibleFailed internal speaker on one sideOne of the TV's built-in speakers can fail while the other keeps working.
What to do
- Check the TV's audio settings for a balance control and make sure it's centered.
- Test the same issue on a different app, channel, or input to see if it's content-specific.
- If using a soundbar or external speakers, swap the left and right cables to see if the silent side follows the cable or stays on the same physical speaker.
- Test with the TV's built-in speakers only (bypass any external system) to isolate where the problem is.
- Restart the TV and any connected sound system.
- If one internal TV speaker consistently produces no sound across every source and setting, it has likely failed.
When to call a pro
If a single internal TV speaker is confirmed dead across all sources, a technician can replace it, though many people opt for an external soundbar instead.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.