Yamaha RX-SL100RDS Mode D'emploi page 56

TROUBLESHOOTING
Tuner
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.
There are continuous
crackling and hissing
noises.
AM
There are buzzing and
whining noises
(especially in the
evening).
54
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 station 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.
The AM loop antenna is placed near
the speaker cables.
The AM ANT and GND cords are
inserted in the wrong terminal.
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.
Place the AM loop antenna away from the
speaker cables.
Make sure the white cord is inserted into the
AM ANT terminal and the black cord into
the GND terminal.
Refer to
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