TROUBLESHOOTING
45
En
ADDITIONAL
INF
O
RMA
T
IO
N
Refer to the table below when this unit does not function properly. If the problem you are experiencing is not listed below
or if the instructions below do not help, turn off this unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
■
General
Troubleshooting
Problem
Cause
Remedy
See
page
This unit fails to turn
on or enters the
standby mode soon
after the power is
turned on.
The power cable is not connected or the
plug is not completely inserted.
Connect the power cable firmly.
—
The protection circuitry has been
activated.
Make sure that all speaker wire connections on this
unit and on all speakers are secure and that the wire
for each connection is not touching anything other
than its respective connection.
—
This unit has been exposed to a strong
external electric shock (such as lightning
or strong static electricity).
Turn off this unit, disconnect the power cable, plug it
back in after 30 seconds, then use it normally.
—
No sound.
Incorrect input assignment settings.
Use the Input menu and correct the assignment
settings according to the actual connections.
39
Incorrect input or output cable
connections.
Connect the cables properly. If the problem persists,
the cables may be defective.
6, Quick
Start Guide
No appropriate input source has been
selected.
Select an appropriate input source.
19
Speaker connections are not secure.
Secure the connections.
6
The volume is turned down or muted.
Turn up the volume.
19
Signals this unit cannot reproduce are
being input from a source component,
such as a CD-ROM.
Play a source whose signals can be reproduced by this
unit.
—
The “HDMI Audio Out” setting is set to
“TV”.
Set the “HDMI Audio Out” setting to “Amp” to
output sounds from speakers connected to this unit.
39
The number of connected HDMI
components is over the limit.
Reduce the number of HDMI components connected
to the HDMI OUT jack.
—
HDCP authentication failed because the
HDMI components connected to this unit
do not support the HDCP copy protection
standards.
Connect HDMI components that support the HDCP
copy protection standards.
—
No picture.
Non-standard video signals are being
input.
Non-standard video signals may interfere the GUI
screen of this unit. In this case, switch the format of
the input signal or stop the signal.
—
The number of connected HDMI
components is over the limit.
Reduce the number of HDMI components connected
to the HDMI OUT jack.
—
HDCP authentication failed because the
HDMI components connected to this unit
do not support the HDCP copy protection
standards.
Connect HDMI components that support the HDCP
copy protection standards.
—
The sound suddenly
goes off.
The protection circuitry has been activated
because of a short circuit, etc.
Check that the speaker wires are not touching each
other, then turn this unit back on.
—
Sound is heard from
the speaker on one
side only.
Incorrect cable connections.
Connect the cables properly. If the problem persists,
the cables may be defective.
6
The speaker level settings are incorrect.
Adjust the speaker level settings using the “Auto
Speaker Setup” menu.
37
01EN_00_YMC-700_500_U.book Page 45 Wednesday, April 8, 2009 11:46 AM