APPENDIX

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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 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
The power will not 
turn on.
The protection circuitry operated 
3 times consecutively.
As a safety precaution, when the protection 
circuitry operates 3 times consecutively, the 
capability to turn on the power is disabled. 
Contact your nearest Yamaha dealer or 
service center to request repair.
The unit enters 
standby mode soon 
after the power is 
turned on.
The power cable is not completely 
inserted.
Connect the power cable properly to an AC 
wall outlet.
(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.
22
This unit cannot be 
turned off or does 
not work properly.
The internal microcomputer is 
hung-up 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.
The batteries in the remote control 
may have lost their charge.
Replace all batteries.
13
The unit enters 
standby mode.
The protection circuitry has been 
activated because of a short circuit, 
etc.
Check that the speaker with an impedance 
of at least 6
Ω.
Check that the speaker impedance settings 
are correct.
21
Check that the speaker wires are not 
touching each other, then turn the unit back 
on.
The sleep timer has turned off the 
unit.
Turn on the unit, and play the source again.
After display of a 
countdown on the 
front panel, the unit 
goes into standby 
mode.
If you do not use take any action, 
the Auto Power Down function 
operates.
Turn on the unit, and play the source again.
In the Setup menu “Auto Power Down” 
(“Function” 
→ “Auto Power Down”), 
increase the time until switching to standby 
mode, or turn off the Auto Power Down 
function.
106
No sound.
Incorrect input or output cable 
connections.
Connect the cables properly. If the problem 
persists, the cables may be defective.
30
Speaker connections are not 
secure.
Secure the connections.
22
The HDMI components connected 
to the unit do not support the 
HDCP copy protection standards.
Connect HDMI components that support the 
HDCP copy protection standards.
The audio input into the device is 
set to playback through the TV.
In the Setup menu, set the “Amp” of “Audio 
Output” (“HDMI” 
→ “Audio Output” → 
“Amp”) to “On.”
102
No appropriate input source has 
been selected.
Select an appropriate input source with 
Input selector
.
47
The volume is turned down or 
muted.
Turn up the volume.
Signals that this unit cannot 
reproduce are being input from a 
source component, such as a CD-
ROM.
Use an input source that has signals that can 
be reproduced on this unit.
Problem
Cause
Remedy
See 
page