Yamaha YAS-108 Mode D'emploi page 42

The power cannot be turned on
To protect the product, the power cannot be turned on. Unplug
the power cord from the AC wall outlet and contact the nearest
authorized Yamaha dealer or service center.
No operations can be performed from the
unit's touch panel
Enable the touch panel control. For details, see the following:
– "Enabling/disabling touch panel control (child lock
function)" (p.39)
All indicators go out although the unit is
turned on (it may seem that the unit is
turned off)
Press DIMMER to select the desired brightness. For details, see
the following:
– "Changing the brightness of the indicators (DIMMER)" (p.37)
The unit does not function correctly
Unplug the power cord from the AC wall outlet and plug it
again.
The unit turns on by itself
Terminate Bluetooth connection with the unit. For details, see
the following:
– "Connecting the unit to two Bluetooth devices simultaneously
(multipoint connection)" (p.33)
The TV's 3D glasses do not work
Confirm the position of the TV's 3D glasses transmitter, and
position the unit so that it does not obstruct the transmitter.
HDMI video is not displayed on TV screen
Connect the HDMI cable properly. For details, see the following:
– "Connecting a TV that supports Audio Return Channel
(ARC)" (p.23)
– "Connecting a TV that does not support Audio Return Channel
(ARC)" (p.24)
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