HDMI arc : No sound coming out from receiver (sony x8500b & Yamaha a2030)

Solvonou

Estimable
Apr 21, 2015
1
0
4,510
i'm trying to use HDMI arc,

Sony's remote seems to be works to control receiver volume

but there was no sound came out from my speakers .. the receiver shows "Audio 1" surround decode on the screen.

i already turn on Arc on both Sony tv and my yamaha receiver and already using high speed hdmi cable.

not sure what happen with this... please kindly advise