LG TV & Audio SP11RA 7.1.4 Channel 770W Soundbar with Meridian & Dolby Atmos LED ALL BLINK Error Fix: All LED Indicators Blinking — System Error

Error code LED ALL BLINK on the LG TV & Audio SP11RA 7.1.4 Channel 770W Soundbar with Meridian & Dolby Atmos means: All LED Indicators Blinking — System Error. All LED indicators blink simultaneously and repeatedly — system-level error. Firmware crash or critical hardware fault. Unplug 60 seconds. Factory reset: press and hold Volume Down on soundbar for 5+ seconds. If not resolved, main board or amplifier board has failed — professional repair required.

The most successful fix is "Replace Main Board or Amplifier Board" (hard difficulty, ~60 minutes). This fix costs nothing. HomeMD has 2 community-ranked fixes for this error.

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

Yes — the top-ranked community fix ("Replace Main Board or Amplifier Board") is rated hard difficulty and takes about 60 minutes. Tools needed: T10 Torx screwdriver, Plastic pry tools, Multimeter.

DIY cost: $0. Professional repair typically costs $150-$250. Many homeowners save money by trying the top-ranked community fix first.

The LG TV & Audio SP11RA 7.1.4 Channel 770W Soundbar with Meridian & Dolby Atmos has 8 other known error codes, including: AMP BOARD FAIL (Amplifier Board Failure), ARC BOARD FAIL (HDMI ARC Board Failure), ARC CONNECTION FAIL (HDMI ARC Connection Not Established), AUTO POWER OFF (Soundbar Turns Off Unexpectedly), BLUETOOTH PAIRING FAIL (Bluetooth Pairing Failed), and 3 more.

Error code LED ALL BLINK also appears on 2 other LG TV & Audio models: S95QR 9.1.5 Channel 810W Soundbar with Meridian & Dolby Atmos, SP7Y 5.1 Channel 440W Soundbar with Meridian & DTS Virtual:X. The fix may vary by model, so check each model's specific page for tailored repair steps.