I have a OLED 55B6P tv and a Yamaha RX-V379 receiver. When I run my 4K blue ray player through HDMI 2 the picture and audio bo

Solution
There are 4 HDMI in ports on the receiver, plug the player, cable box, and whatever else you have into the receiver and then run a hdmi cable from the output on the receiver the tv.

Then just select the receiver input and it will output the audio/video to the speakers and tv.
There are 4 HDMI in ports on the receiver, plug the player, cable box, and whatever else you have into the receiver and then run a hdmi cable from the output on the receiver the tv.

Then just select the receiver input and it will output the audio/video to the speakers and tv.
 
Solution