Now I use receiver Yamaha RX-V581 connected to TV and M....х U9-H via HDMI cable. The TV option is enabled control other devices via CEC, enabled ARC. If this works, I can just use TV remote to control the volume of the receiver and M....x U9-H. Everything works fine. This receiver has decided to connect X9S without power via the HDMI cable, in the end, after a few seconds of lost communication receiver with TV and M....x U9-H. Output sound via ARC to the receiver stops, volume control and M....U9 x-H to become not possible. Next, I turned on the power X9S and made a re-reconfiguring the device with disconnecting from power and re-enable serial devices, the miracle did not happen, still not working CEC control to any device. Next, unplug the HDMI cable from the X9S and made a re-initialization of device and they earned, the sound from the TV went through ARC to the receiver and was again possible to manage M....U9 x-H using the TV remote.