47
En
Troubleshooting
ADDITIONAL
INF
O
RMA
T
IO
N
■
FM Tuner
■
Remote control
Problem
Cause
Remedy
See
page
FM stereo reception
is noisy.
The characteristics of FM stereo
broadcasts may cause this problem when
the transmitter is too far away or the
antenna input is poor.
Check the antenna connections.
7
Try using a high-quality directional FM antenna.
—
Use the manual tuning method.
23
There is distortion,
and clear reception
cannot be obtained
even with a good FM
antenna.
There is multi-path interference.
Adjust the antenna position to eliminate multi-path
interference.
—
The desired station
cannot be tuned in
with the automatic
tuning method.
The signal is too weak.
Use a high-quality directional FM antenna.
—
Use the manual tuning method.
23
Problem
Cause
Remedy
See
page
The remote control
does not work or
does not function
properly.
Wrong distance or angle.
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.
4
Direct sunlight or lighting (from an inverter
type fluorescent lamp, etc.) is striking the
remote control sensor of this unit.
Reposition this unit.
—
The batteries are weak.
Replace all the batteries.
5
The batteries do not last long.
Using alkaline batteries is strongly recommended.
—
The remote control code is not correctly
set.
Set the remote control code correctly.
40, 42
Try setting another code of the same manufacturer.
40, 42
The IR flashers are not connected/attached
correctly.
Connect/attach the IR flashers properly. Also refer to
the owner’s manual of the external components.
8
Some buttons on the
virtual remote control
do not function.
Remote control codes are directly
transmitted to the remote control sensor of
the target device.
Conceal the remote control sensor of the target device
so that the remote control codes are received directly
from the remote control.
—
The remote control
does not learn new
functions.
This unit and the remote control are too
far apart or too close together.
Place the remote control within the range of 10 cm to
2.5 m (4 in. to 8 ft.).
—
The batteries of the other remote control
are too weak.
Replace all the batteries.
—
There is noise interference from digital or
radio frequency equipment.
If a CRT display or equipment connected to a CRT
display is placed near this unit, move this unit away
from such equipment.
—
If metal objects are near this unit, move this unit away
from them.
—
01EN_00_YMC-700_500_U.book Page 47 Wednesday, April 8, 2009 11:46 AM
