Yamaha Aventage RX-A8A User Manual page 374

TROUBLESHOOTING > When any problem appears
The sound is distorted
(
A device (such as an external power amplifier) connected to the unit's audio output jacks is not
turned on.
Turn on all devices connected to the unit's audio output jacks.
(
The volume of the unit is too high.
Turn down the volume. If "ECO Mode" in the "Setup" menu is set to "On", set it to "Off". For details, see
the following:
"Setting the use of the eco mode" (p.329)
(
374