TVs, including LCD/LED, plasma, OLED, and more. Ask for buying advice, or help others, share experiences etc.
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By StevenRubin
Sorry if I missed this elsewhere...

I have a 2020 LG CX65 wall mounted, and when I am connected direct to cable box, the picture is stable.

However, when connected to my Onkyo receiver to use ARC, the picture blinks on and off constantly. Sound through stereo is fine, and all other functions seem normal. But the picture is unwatchable. Is there something short of returning it I need to do? I have power saving turned off, as I've seen in other forums. LG has been no help so far. This is a replacement for a Samsung 60 smart TV that never had this issue.I'm thinking my only plan would either replace the HDMI cable or install an optical cable. Thoughts?