Yamaha AVX-S80 - Manual (Page 49)

TROUBLESHOOTING
45
English
APPENDIX
■
Tuner
Previously preset
stations cannot be
tuned in.
FM stereo reception is
noisy.
There is distortion, and
clear reception cannot
be obtained even with a
good FM antenna.
The desired station
cannot be tuned in with
the automatic tuning
method.
The desired station
cannot be tuned in with
the automatic tuning
method.
There are continuous
crackling and hissing
noises.
There are buzzing and
whining noises
(especially in the
evening).
Problem
FM/
AM
FM
AM
Cause
The preset stations are cleared.
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.
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
Pre-set the stations once again.
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.
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 system away from the TV.
Refer
to page
28
14
27
14
14
27
14
27
14
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■
Remote control
Problem
The remote control
does not work nor
function properly.
Cause
Wrong distance or angle.
Direct sunlight or lighting (from an
inverter type of fluorescent lamp, etc.) is
striking the remote control sensor of this
system.
The batteries are weak.
The manufacture code is not correctly
set.
Even if the manufacturer code is
correctly set, there are some models that
do not respond to the remote control.
The functions of the remote control are
not switched to the functions for
controlling this system.
The component you want to control with
the remote control is not selected.
Remedy
The remote control will function within a
maximum range of 6 m (20 feet) and no more
than 30 degrees off-axis from the front panel.
Reposition this system.
Replace all batteries with new ones.
Set the code correctly.
Try setting another code of the same
manufacturer.
Operate the component using its remote
control.
First press the AMP button on the remote
control, then try to control this system by using
the remote control.
Select the component you want to control by
pressing the corresponding input selector
button.
Refer
to page
6
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3
32
32
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E9-S80-43-47E(5.30)a 02.6.29, 4:35 AM 45