Remote Control - Yamaha R-N402 Manual De Instrucciones

Troubleshooting
Problem
Only the speaker on
one side can be
heard.
There is a lack of bass
and no ambience.
A "humming" sound
can be heard.
The sound is
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.

■ Remote control

Problem
The remote control
does not work nor
function properly.
■ FM reception
Problem
FM stereo reception
is noisy.
There is distortion,
and clear reception
cannot be obtained
even with a good FM
antenna.
The desired station
cannot be tuned in
automatically.
"No presets" is
displayed.
44
En
Cause
Incorrect cable connections.
Incorrect setting for the speaker balance.
The + and – wires are connected in
reverse at the amplifier or the speakers.
Incorrect cable connections.
The power of this unit is turned off, or this
unit is set to standby mode.
Cause
Wrong distance or angle.
Direct sunlight or lighting (from an
inverter type of fluorescent lamp, etc.) is
striking the remote control sensor of this
unit.
The batteries are weak.
Cause
The particular characteristics of the FM
stereo broadcasts being received may
cause this problem when the transmitter is
too far away or the antenna input is poor.
There is multipath interference.
The signal is too weak.
No preset stations are registered.
Remedy
Connect the cables properly. If the problem persists,
the cables may be defective.
Set the speaker balance ("Balance" in the "SETUP"
menu) to the appropriate setting.
Connect the speaker wires to the correct + and –
phase.
Connect the audio plugs firmly. If the problem
persists, the cables may be defective.
Turn on the power of this unit.
Remedy
The remote control will function within a maximum
range of 6 m (20 ft) and no more than 30 degrees off-
axis from the front panel.
Reposition this unit.
Replace all batteries.
Remedy
Check the antenna connections.
Try using a high-quality directional FM antenna.
Switch to monaural mode.
Adjust the antenna position to eliminate the multipath
interference.
Try using a high-quality directional FM antenna.
Try tuning manually.
Register stations you want to listen to as preset
stations before operation.
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