no-sound Troubleshooting

No sound on the LG 55UA75006LA TV 55 Zoll (139 cm) 4K UHD AI TV (α7 Gen8 4K AI Prozessor, webOS 25, 60Hz) [Modelljahr 2025]

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026

The soundbar powers on but produces no audio, often from a wrong input, a loose HDMI connection or a muted source.

How to fix No sound

Check the volume

Ensure the TV is not muted and the volume is turned up.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 2 min

Check the audio output

Ensure the audio output is set to the TV speakers, not an external device.

Source: Samsung TV support — no signal / HDMI Confidence: 80% Verified Aug 9, 2026
Difficulty: ★ Est. 3 min

Replacement parts for the LG 55UA75006LA TV 55 Zoll (139 cm) 4K UHD AI TV (α7 Gen8 4K AI Prozessor, webOS 25, 60Hz) [Modelljahr 2025]

LG C3 OLED Wall Mount LG C3 OLED HDMI Cable LG UltraGear 27GN950 Wall Mount LG UltraGear 27GN950 HDMI Cable LG UltraGear 27GP850 Wall Mount LG UltraGear 27GP850 HDMI Cable LG 43lr60006 Wall Mount LG 43lr60006 HDMI Cable LG OLED65C5ELB Wall Mount LG OLED65C5ELB HDMI Cable LG 55UA75006LA Wall Mount LG 55UA75006LA HDMI Cable LG OLED48B59LA Wall Mount LG OLED48B59LA HDMI Cable LG 32LQ63806LC Wall Mount LG 32LQ63806LC HDMI Cable LG 55NANO80A6B Wall Mount LG 55NANO80A6B HDMI Cable LG OLED65C5ELB Wall Mount LG OLED65C5ELB HDMI Cable LG 55UA75006LA Remote Control LG 55UA75006LA Stand LG 55UA75006LA Power Cable LG 55UA75006LA Wall Mount LG 55UA75006LA HDMI Cable LG OLED48B59LA Wall Mount LG OLED48B59LA HDMI Cable LG 32LQ63806LC Wall Mount LG 32LQ63806LC HDMI Cable LG 55NANO80A6B Wall Mount LG 55NANO80A6B HDMI Cable LG 43lr60006 Wall Mount LG 43lr60006 HDMI Cable LG OLED65C5ELB Wall Mount LG OLED65C5ELB HDMI Cable LG Ultragear™ 45GX950A-B.AEU 21:9 Curved 800R 5K2K OLED Wall Mount LG Ultragear™ 45GX950A-B.AEU 21:9 Curved 800R 5K2K OLED HDMI Cable

← All LG 55UA75006LA TV 55 Zoll (139 cm) 4K UHD AI TV (α7 Gen8 4K AI Prozessor, webOS 25, 60Hz) [Modelljahr 2025] error codes

As an Amazon Associate we earn from qualifying purchases. Prices and availability are accurate as of the time shown and may change. We research product data independently.