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92
TROUBLESHOOTING
■ Tuner
Problem Cause Remedy
Refer to
page
There is noise
interference from
digital or radio-
frequency equipment,
or this unit.
This unit is too close to the digital or
radio-frequency equipment.
Move this unit further away from such equipment.
—
The picture is
disturbed.
The video source uses scrambled or
encoded signals to prevent dubbing.
There is noise when
the OSD is displayed.
The OSD may be disturbed when
displaying OSD through component video
connections.
Select OFF in CMPNT OSD.
66
This unit suddenly
turns into the standby
mode.
The internal temperature becomes too
high and the overheat protection circuitry
has been activated.
Wait for about 1 hour until this unit cools down and
then turn it back on.
—
Problem Cause Remedy
Refer to
page
FM
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.
Try using a high-quality directional FM
antenna.
23
Use the manual tuning method.
41
There is distortion, and
clear reception cannot
be obtained even with a
good FM antenna.
There is multipath interference. Adjust the antenna position to eliminate
multipath 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.
23
Use the manual tuning method.
41
Previously preset
stations can no longer
be tuned in.
This unit has been disconnected for a
long period.
Preset the stations again.
42
AM
The desired station
cannot be tuned in with
the automatic tuning
method.
The signal is weak or the antenna
connections are loose.
Tighten the AM loop antenna connections
and orient it for best reception.
—
Use the manual tuning method.
41
There are continuous
crackling and hissing
noises.
Noises result from lightning,
fluorescent lamps, motors,
thermostats and other electrical
equipment.
Use an outdoor antenna and a ground wire.
This will help somewhat, but it is difficult to
eliminate all noise.
—
There are buzzing and
whining noises.
A TV set is being used nearby. Move this unit away from the TV.
—