“Does this TV implement eARC without the complication of CEC? If so, exactly which port(s) support it?”

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• Hi Surroundguy, CEC must be turned on for ARC/eARC to work. The port is labeled on the TV. In the QN90A, HDMI port 3 supports eARC. The ports are labeled on the back of the TV. ^Val

  Answered by Samsung 5 years ago

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