No sound from the device connected to the AV amplifier is heard on the system.

• In the case of Connection example 5 [Details]
  You can hear sound from the devices connected to the AV amplifier on the AV amplifier or a TV only. If you want to hear them on this system, connect the device to the processor using an optical digital cable or an analog audio cable.

The CONTROL FOR HDMI switch is set to “MODE1,” but the headphone volume cannot be adjusted from the TV.