No sound. Smart TV (TCL) using hdmi extender to Marantz NR1602 Receiver

Jun 15, 2018
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I am having audio problems connecting the new 2018 65" TCL to a Marantz NR1602 Receiver via HDMI extender w/IR repeater. I know in other forums, people have provided options like add an optical cable or run this and that, but that is not an option here. Is it a settings issue?
 
Jun 15, 2018
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Thanks! I contacted the manufacturer as it wasn't clear and they confirmed it does not.
 
Jun 15, 2018
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So an extender with ARC support is pricey. I brought my receiver upstairs to the smart TV to make it easier to setup. I connected the ARC port from the TV to the ARC port on receiver. Ran Optical from TV to receiver. Connected a center speaker only and am getting no sound. Tried adjusting all setting and configs and all I get is a helicopter sound from speaker. Does anyone have any suggestions? I can't think of any other solution.