HSENX

Hello, I have a 2022 model LG 55 Qned 81 and I connect it to Harman Kardon AVR 151 via ARC. I turn on all the settings on both the TV and the AVR, but I can't get any sound. However, when I connect the AVR 151 to Grundig and Samsung TV via ARC, it works fine What do you recommend?