Yamaha RX-V2500 Owner's Manual - Page 99

Tuner, stations can no longer - buzzing

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■ Tuner TROUBLESHOOTING Problem FM stereo reception is noisy. There is distortion, and clear reception cannot be obtained even with a FM good FM antenna. The desired station cannot be tuned in with the automatic tuning method. Previously preset stations can no longer be tuned in. The desired station cannot be tuned in with the automatic tuning method. AM There are continuous crackling and hissing noises. There are buzzing and whining noises. Cause The characteristics of FM stereo broadcasts 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. This unit has been disconnected for a long period. The signal is weak or the antenna connections are loose. Noises result from lightning, fluorescent lamps, motors, thermostats and other electrical equipment. A TV set is being used nearby. Remedy Check the antenna connections. Try using a high-quality directional FM antenna. Use the manual tuning method. Adjust the antenna position to eliminate multipath interference. Use a high-quality directional FM antenna. Use the manual tuning method. Preset the stations again. Tighten the AM loop antenna connections and orient it for best reception. Use the manual tuning method. Use an outdoor antenna and a ground wire. This will help somewhat, but it is difficult to eliminate all noise. Move this unit away from the TV. Refer to page 23 40 - 23 40 41 - 40 - - ADDITIONAL INFORMATION 95

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95
TROUBLESHOOTING
ADDITIONAL
INFORMATION
■
Tuner
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.
40
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.
40
Previously preset
stations can no longer
be tuned in.
This unit has been disconnected for a
long period.
Preset the stations again.
41
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.
40
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.
—