Yamaha RX-497 User Manual
Page 47
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TROUBLESHOOTING
The sound is
degraded when
listening with the
headphones
connected to the CD
player or the tape
deck connected to
this unit.
The power of This imil is fumed otf, or this
unit is set to the standby mode.
Tm’n
Oil
tile power of this unit.
14
The sound levei is
low.
The LOUDNESS conti"ol is flinctioning.
Set the LOUDNESS control to the ELAT position.
16
Using the BASS,
TREBLE, BALANCE
and LOUDNESS
controls does not
affect the tonal
quality.
The PURE DIRECT button is turned on.
The PURE DIRECT button must be turned off to use
those controls.
16
Tuner
Problem
Cause
Remedy
See
page
FM stereo
reception is
The particular characteristics of the EM
stereo broadcasts being received may
Clieck the antenna connections.
Try using a high-quality directional FM antenna..
12
noisy.
cause this problem when the Transmitter is
too far away or the antenna mput is poor.
Tiy using the manual tuning method.
21
FM
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 the multipath
interference.
—
The desired
station cannot
be tuned in
with the
automatic
tuning method.
The signal is too weak.
Try using a. high-quality directional FM antenna..
12
Try using the manual tuning method.
21
Previously
preset stations
can no longer
be tuned in.
This unit has been disconnected for a long
period.
Preset the stations again.
22
The desired
station cannot
The signal is weak or the antenna
connections are loose.
Tighten the AM loop antenna connections and orient
it for the best reception.
—
be tuned in
with the
automatic
tuning method.
Try using the manual tuning method.
21
AM
There are
continuous
crackling and
hissing noises.
Tile noises may result horn lightning,
fluorescent lamps, motors, thermostats or
other electrical equipment.
Tiy using an outdoor antenna and a ground wire.
This will help somewhat, but it is ditficult to
eliminate all noise.
—
There are
buzzing and
whining noises.
A TV set is being used nearby.
Move this unit a.way from the TV set.
—
43