46
En
APPENDIX
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 instruction below does not help, turn off this unit, disconnect the power cable, and contact the nearest authorized
Yamaha dealer or service center.
Troubleshooting
General
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 properly to an AC wall
outlet.
—
The speaker impedance setting is
incorrect.
Set the speaker impedance to match your speakers.
(When this unit is turned back on and
“CHECK SP WIRES!” is displayed.) The
protection circuitry has been activated
because this unit was turned on while a
speaker cable was shorted.
Make sure that all speaker cables between this unit
and speakers are connected properly.
This unit cannot be
turned off.
The internal microcomputer is frozen due
to an external electric shock (such as
lightning or excessive static electricity) or
by a drop in power supply voltage.
Disconnect the power cable from the AC wall outlet,
wait about 30 seconds and then plug it in again.
—
No sound.
“Audio” in “1 HDMI” of Function Setup
is set to “TV.”
Select a choice for “Audio” (Function
Setup
→
1 HDMI
→
Audio) other than “TV.”
A proper audio decoder is not selected.
Display the OPTION menu and set “Decoder Mode”
to “Auto.”
Incorrect input or output cable
connections.
Connect the cables properly. If the problem persists,
the cables may be defective.
No appropriate input source has been
selected.
Select an appropriate input source with
N
INPUT
l
/
h
or the
g
Input selection keys
on the
remote control.
Speaker connections are not secure.
Secure the connections.
The volume is turned down or muted.
Turn up the volume.
—
Signals this unit cannot reproduce are
being input from a source component,
such as a CD-ROM.
Display Signal info of the option menu and check the
input signal format.
If “No Signal” is displayed, check if the playback
component is properly connected to this unit (or a
proper input source is selected).
If “___” is displayed, the input signal in that format
cannot be reproduced by this unit.
—
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.
