AV receiver is HDMI 2.0 and this is HDMI 2.1. When the sound on the receiver is disconnected, it disappears, but the picture on the TV is good. I spoke to tech support but there was no solution even though the description says it should work. All Ultra 4k-certified cables with proven direct connections to devices ensure good sound quality on the receiver and picture quality on the television. I want it to work, a little not suitable for onkyo txnr1030 with lg cx oled
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