Yamaha R-N803 Owner's Manual

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ADDITIONAL 
INF
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ADDITIONAL INFORMATION
Refer to the chart below if this unit does not function properly. If the problem you are experiencing is not listed below or 
if the instructions below do not help, set this unit to standby mode, disconnect the power cable, and contact the nearest 
authorized Yamaha dealer or service center.
General
Troubleshooting
Problem
Possible cause
Remedy
See 
page
The power does not 
turn on.
The protection circuitry has been activated 
three times consecutively. If the unit is in 
this condition, the power indicator on the 
front panel blinks when you try to turn on 
the power.
As a safety precaution, capability to turn on the power 
is disabled. Contact your nearest Yamaha dealer or 
service center to request repair.
The power cord is not connected or the 
plug is not completely inserted.
Connect the power cord firmly.
The protection circuitry has been activated 
because of a short circuit, etc.
Check that the speaker wires are not touching each 
other and then turn the power of this unit back on.
The internal microcomputer has frozen, 
due to an external electric shock (such as 
lightning or excessive static electricity) or 
to a drop in the power supply voltage.
Press A (power) on the front panel to turn off the unit 
and turn it on again after at least 15 seconds elapse. 
(If the problem persists, disconnect the power cable 
from the AC wall outlet and plug it again.)
The power does not 
turn off.
The internal microcomputer has frozen, 
due to an external electric shock (such as 
lightning or excessive static electricity) or 
to a drop in the power supply voltage.
Press A (power) on the front panel to turn off the unit 
and turn it on again after at least 15 seconds elapse. 
(If the problem persists, disconnect the power cable 
from the AC wall outlet and plug it again.)
No sound.
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 the INPUT 
selector on the front panel (or one of the input 
selection key on the remote control).
The SPEAKERS A/B switches are not set 
properly.
Turn on the corresponding SPEAKERS A or 
SPEAKERS B.
Speaker connections are not secure.
Secure the connections.
Output has been muted.
Turn off the mute.
Headphones are connected to the 
PHONES jack.
Disconnect the headphones.
The Max volume or Initial volume setting 
is set too low.
Check the settings for “Max Volume” and “Initial 
Volume” in the “Setup” menu.
The component corresponding to the 
selected input source is turned off or is not 
playing.
Turn the component on and make sure it is playing.
The audio output of a device connected to 
a digital audio input (COAXIAL/
OPTICAL jacks) is set to other than PCM.
Set the audio output of the connected device to PCM.