📺Television

AUDIO SYNC

LG TV & Audio · 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV

LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV AUDIO SYNC Error Fix: Audio Out of Sync with Video

Audio and video noticeably out of sync (lip-sync issues). Common with ARC/eARC, Bluetooth audio, and streaming apps. For ARC/eARC: enable "AV Sync Adjustment" in Settings → Sound → Additional Settings. For Bluetooth, inherent latency 100-200ms. For streaming apps, clear cache or restart. For game consoles, enable Game Mode to reduce input lag.

Low severity2 fixes available✨ Free fix available

Quick Answer

Error AUDIO SYNC on the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV means: Audio Out of Sync with Video. The top-ranked community fix is “Update TV Firmware and Adjust Game Mode Settings” (medium difficulty, ~30 min, DIY cost: $0). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · tv

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many tv repairs can be done safely at home, consider hiring a qualified technician if:

The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $100-$150.

Other LG TV & Audio Models with Error AUDIO SYNC

75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV

tv · 2 fixes

86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV

tv · 2 fixes

OLED55B3PUA 55" Class B3 4K OLED Smart TV

tv · 2 fixes

OLED65C3PUA 65" Class C3 4K OLED evo Smart TV

tv · 2 fixes

OLED65C4PUA 65" Class C4 4K OLED evo Smart TV

tv · 2 fixes

OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV

tv · 2 fixes

Other LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV Error Codes

APP CRASH

App Freezes or Crashes

2 fixes

BACKLIGHT BLEED

Backlight Bleeding / Clouding

2 fixes

BACKLIGHT FAILURE

LED Backlight Strip Failure — No Picture

2 fixes

BACKLIGHT STRIP FAIL

LED Backlight Strip Physical Failure

2 fixes

BANDING

Horizontal or Vertical Banding

2 fixes

BLINK 2X

Power Supply Overcurrent / Short

Main Board Failure

Inverter / Backlight Driver Failure

2 fixes

People Also Ask About LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV Error AUDIO SYNC

What does error code AUDIO SYNC mean on a LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV?

Error code AUDIO SYNC on the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV means: Audio Out of Sync with Video. Audio and video noticeably out of sync (lip-sync issues). Common with ARC/eARC, Bluetooth audio, and streaming apps. For ARC/eARC: enable "AV Sync Adjustment" in Settings → Sound → Additional Settings. For Bluetooth, inherent latency 100-200ms. For streaming apps, clear cache or restart. For game consoles, enable Game Mode to reduce input lag.

How do I fix error code AUDIO SYNC on my LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV?

The most successful fix is "Update TV Firmware and Adjust Game Mode Settings" (medium difficulty, ~30 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

Is error code AUDIO SYNC on a LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV serious?

This error is rated low severity. It is generally not urgent and can often be resolved with a simple DIY fix.

Can I fix LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV error AUDIO SYNC myself?

Yes — the top-ranked community fix ("Update TV Firmware and Adjust Game Mode Settings") is rated medium difficulty and takes about 30 minutes. Tools needed: LG TV remote, Internet connection.

How much does it cost to repair LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV error AUDIO SYNC?

DIY cost: $0. Professional repair typically costs $100-$150. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV have?

The LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV has 8 other known error codes, including: APP CRASH (App Freezes or Crashes), BACKLIGHT BLEED (Backlight Bleeding / Clouding), BACKLIGHT FAILURE (LED Backlight Strip Failure — No Picture), BACKLIGHT STRIP FAIL (LED Backlight Strip Physical Failure), BANDING (Horizontal or Vertical Banding), and 3 more.

Which other LG TV & Audio models have the AUDIO SYNC error?

Error code AUDIO SYNC also appears on 6 other LG TV & Audio models: 75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV, 86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV, OLED55B3PUA 55" Class B3 4K OLED Smart TV, OLED65C3PUA 65" Class C3 4K OLED evo Smart TV, OLED65C4PUA 65" Class C4 4K OLED evo Smart TV, OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV have?

The LG TV & Audio 55UQ7570PUJ 55" Class UQ75 Series 4K UHD Smart TV has 8 other known error codes:

APP CRASH — App Freezes or Crashes (2 fixes)
BACKLIGHT BLEED — Backlight Bleeding / Clouding (2 fixes)
BACKLIGHT FAILURE — LED Backlight Strip Failure — No Picture (2 fixes)
BACKLIGHT STRIP FAIL — LED Backlight Strip Physical Failure (2 fixes)
BANDING — Horizontal or Vertical Banding (2 fixes)
BLINK 2X — Power Supply Overcurrent / Short (2 fixes)
BLINK 3X — Main Board Failure (2 fixes)
BLINK 4X — Inverter / Backlight Driver Failure (2 fixes)

Which other LG TV & Audio models have the AUDIO SYNC error?

Error code AUDIO SYNC also appears on 6 other LG TV & Audio models:

75NANO75UQA 75" Class NanoCell 75 Series 4K Smart TV (tv) · 2 fixes
86QNED80URA 86" Class QNED80 4K QNED MiniLED Smart TV (tv) · 2 fixes
OLED55B3PUA 55" Class B3 4K OLED Smart TV (tv) · 2 fixes
OLED65C3PUA 65" Class C3 4K OLED evo Smart TV (tv) · 2 fixes
OLED65C4PUA 65" Class C4 4K OLED evo Smart TV (tv) · 2 fixes
OLED65G3PUA 65" Class G3 4K OLED evo Gallery Edition Smart TV (tv) · 2 fixes

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