Yamaha CRX-D430 Manuale d'uso - Pagina 20

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Troubleshooting

Radio reception

Problem
The preset tuning
function does not
work.
The preset station
settings have been
cleared.
The auto tuning
function does not
work.
(FM) Too much
noise is generated
during stereo
broadcast.
(FM) Even with an
outdoor antenna,
radio wave
reception is weak
(audio is distorted).
(AM) Too much
noise is generated.
(DAB) Cannot tune
into any DAB
stations.
(DAB) The service
reception is weak.

Remote control

Problem
The remote control
does not work for
operating this unit.
18
En
Cause
The preset station settings may have been
erased.
The power to this unit may be lost more
than a week.
The antenna may be connected
improperly.
The radio station you selected may be far
away from your area or radio wave
reception is weak in your area.
The FM antenna may be connected
improperly.
The radio station you selected may be far
away from your area or radio wave
reception is weak in your area.
Multipath reflection or other radio
interferences may occur.
The noises may be generated from
atmospheric electricity, lightening,
fluorescent lights, motors, or thermostat
electric devices.
If too much noise is generated especially
in the evening, this unit may be placed
close to a TV.
There is no DAB coverage in your area.
The positioning of the indoor DAB
antenna and/or the unit is not optimal for
DAB reception.
Cause
The remote control may be operated
outside the remote control operation
range.
The remote control sensor on this unit
may be exposed to direct sunlight or
lighting (inverted fluorescent lamps).
The batteries may be worn out.
Solution
Preset radio stations again.
Make sure the power cable is plugged into
outlet firmly, and then preset the stations
again.
Make sure the antenna is connected properly.
Try manual tuning to increase the signal
quality.
Make sure the FM antenna is connected
properly.
Try manual tuning to increase the signal
quality or use a commercially available
multi-channel outdoor antenna.
Switch the reception mode of this unit to
monaural.
Change the height, direction, or placement
of the antenna.
Connect an outdoor antenna and establish
better grounding to decrease noises.
However, it is difficult to eliminate these
types of noises.
Place this unit further away from a TV.
Display the signal strength and find the best
position for the DAB antenna and this unit.
Solution
Use the remote control within the operation
range.
Change the lighting or the orientation of this
unit.
Replace the batteries with new ones.
Refer to
P. 12
P. 5, 12
P. 5
P. 12
P. 5
P. 5, 12
P. 12
—
P. 5
—
—
P. 14
Refer to
P. 3
—
P. 5