How to connect Sony Bravia UHD TV to Samsung Home Theater system?

Aug 27, 2018

i have a Sony Bravia 65 inch 4K TV (KD65XF) which i have connected to a Samsung Home Theater 5.1 system (model HT E550).

the connection is as follows

HDMI ARC from TV to HDMI OUT of home theater receiver.

however i am not able to get TV audio on the home theater system. i have tried all manner of combinations but it isn't working.

will appreciate any help.