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ARC/CEC Stopped Working with TCL 55R615 and Denon AVR1612

Tue Sep 17, 2019 6:45 pm

I have a TCL 55R615 with Roku TV connected via HDMI3 (ARC) to a Denon AVR1612 receiver.  Recently ARC and CEC stopped working.  Powering on the TV does not power on the receiver.  Volume control on the TCL/Roku remote does not adjust the volume on the receiver.  Audio from the TV is coming out the receiver.  This all used to work until just recently.

On the TV I go into System -> Settings -> Control other devices (CEC) and no devices are found.  If I tell it to search it can't find any devices.  All options are enabled (ARC, System audio control, 1-touch play, System standby).

On the receiver I have HDMI Control turned ON.  Also, P. Off Control is set to All.

I've rebooted the TV and receiver.  I also disconnected other HDMI devices from the TV (Switch, Blu-Ray, Apple TV, Xfinity).  Still cannot get the TV to see the receiver.

My TV updated yesterday (9.1.0 build 4917-30).  Not sure if this is the cause or not.

Anyone else having problems with this?

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