Owner’s Manual

40 En
APPENDIX
Refer to the chart below when this unit does not function properly. If the problem you are experiencing is not listed below or if the instruction
below does not help, set this unit to the standby mode, disconnect the AC power supply cable, and contact the nearest authorized Yamaha dealer
or service center.
■ General
Troubleshooting
Problem Cause Remedy
See
page
This unit does not operate
properly.
The internal microcomputer has been frozen by an
external electric shock (such as lightning or excessive
static electricity) or by a power supply with low
voltage.
Disconnect the AC power supply cable from the
outlet and plug it in again after about 30 seconds.
12
This unit fails to turn on when
CPower (p) key is pressed, or
enters the standby mode soon
after the power has been turned
on.
The AC power supply cable is not firmly connected to
the AC wall outlet.
Connect the AC power supply cable firmly to the AC
wall outlet.
12
This unit has been exposed to a strong external
electric shock (such as lightning and strong static
electricity).
Set this unit to the standby mode, disconnect the AC
power supply cable, plug it back in after 30 seconds,
and use it normally.
12
This unit suddenly enters the
standby mode.
The internal temperature becomes too high and the
overheat protection circuitry has been activated.
Wait for about one hour for this unit to cool down and
turn it back on.
—
The sleep timer has turned the unit off. Turn on the power and play back the source again. 21
No sound. Incorrect input or output cable connections. Connect the cables properly. If the problem persists,
the cables may be defective.
12
No appropriate input source has been selected. Select an appropriate input source with INPUT or
DInput selector keys.
21
The volume is turned down. Turn up the volume. 21
The sound is muted. Press KMUTE or KVOLUME +/– to resume audio
output and adjust the volume level.
21
The signals this unit cannot reproduce (such as PCM
signals with more than 96 kHz of sampling
frequency) are being received from the source
component.
Play a source whose signals can be reproduced by this
unit.
—
Change the system settings of the source component. —
The HDMI components connected to this unit do not
support the HDCP copy protection standards.
Connect the HDMI components that support the
HDCP copy protection standards.
12
“SUPPORT AUDIO” is set to “OTHER” and HDMI
audio signals are not being played back on this unit.
Set “SUPPORT AUDIO” to this unit in “SET
MENU”.
36
No sound or too small sound from
a specific channel
The output level of the channel is muted. Raise the output level of the channel.
34
The beam setting is inappropriate. Adjust the beam setting.
32
You play back the source in the stereo mode. Start surround playback. 22
Some audio output methods do not output sound
beams for certain channels.
Select another beam mode.
23
No sound from the subwoofer. “BASS OUT” is set to “FRONT OR AUTO” in
“SUBWOOFER SET”.
Set “BASS OUT” to “SUBWOOFER” in
“SUBWOOFER SET”.
33
The source does not contain low bass signals.
No sound from the subwoofer
connected by wireless.
The group IDs of this unit and SWK-W10 are not set
to the same value.
Check whether the group IDs of this unit and SWK-
W10 are set to the same value.
36
“Wireless Function” is set to “No”. Set “Wireless Function” to “Yes”.
36
Distorted or too little bass sound. “CROSS OVER” is set incorrectly in
“SUBWOOFER SET”.
Set “CROSS OVER” correctly in “SUBWOOFER
SET”.
33
Surround sound effects are
insubstantial.
The listening room is not a regular shape. Install this unit in a square or rectangular shaped
room.
—
There is no wall in the path of the sound beam. Try placing a flat object, such as a board, in the path
of the sound beam.
—