Optical HDMI cable not waking up Amp, no ARC audio?

pipomolo42

Active member
Joined
Nov 8, 2023
Messages
26
Hello,

I recently bought this cable to connect my WiiM Amp to my Panasonic TV: https://www.audiophonics.fr/en/21-h...r-10-dhcp-22-edid-cec-earc-3d-5m-p-17974.html

Unfortunately, it does not work: the Amp is not turned on by CEC, and the TV does not detect that an ARC capable device is connected.

But if I first "establish the link" with a copper HDMI cable and then replace it with the optical one, ARC audio is audible, and I also verified that the optical cable works for "regular" or "forward" video and audio signals.

Did anyone already have success in using an optical HDMI cable with a WiiM Amp? Any idea of anything else I could try?
 
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