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If the unit fails to operate normally, check the following points to determine whether the fault can be corrected by the simple
measures suggested. If it cannot be corrected, or if the fault is not listed in the SYMPTOM column, disconnect the power cord
and contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
The unit does not switch ON when
POWER is pressed.
The disc tray does not close
completely.
Playback does not start.
Playback is delayed, or begins at
the wrong place.
No sound.
Sound "skips".
Sound "hums".
Noise from a nearby tuner.
Noise from inside of the disc tray.
No sound from the headphones.
(CDX-497 only)
The remote control does not
work.
TV functions strangely when the
remote control is used.
TROUBLESHOOTING
PROBABLE CAUSE
The power cord is not connected nor
completely connected.
A foreign object is obstructing the tray.
The disc is damaged.
There is moisture on the laser pickup.
The disc is loaded upside down.
The disc is dirty.
The CD-RW (ReWritable) disc is not
recorded correctly.
The disc is a non-standard disc not
playable with this unit.
The disc may be scratched or
damaged.
Improper output cable connections.
Improper amplifier operation.
The OUTPUT LEVEL +/– buttons are
set at minimum. (CDX-497 only)
The unit is being subjected to vibrations
or impacts.
The disc is dirty.
Improper cable connections.
The tuner is too close to the unit.
The disc may be warped.
The OUTPUT LEVEL +/– buttons are
set at minimum.
The batteries of the remote control are
too weak.
Remote control is too far away or tilted
too much.
Direct sunlight or lighting (of an inverter
type fluorescent lamp etc.) is striking
the remote control sensor of the main
unit.
Remote control is being used near TV
set with a remote control sensor.
REMEDY
Securely connect the power cord.
Carefully check the disc tray and
remove the foreign object.
Check the disc carefully; replace it if
necessary.
Wait 20 to 30 minutes after switching the
unit ON before trying to play back a disc.
Reload the disc with the label side up.
Clean the disc.
Replace the disc with a correctly-
recorded disc playable with this unit.
Check the disc carefully; replace it if
necessary.
Connect the cables properly. If the
problem persists, the cables may be
defective.
Set the amplifier controls to the correct
input selection.
Adjust the volume by using the
OUTPUT LEVEL +/– buttons. (CDX-
497 only)
Relocate the unit.
Clean the disc.
Securely connect the audio cables. If
the problem persists, the cables may be
defective.
Move the tuner and the main unit
farther apart.
Replace the disc.
Adjust the volume by using the
OUTPUT LEVEL +/– buttons.
Replace the batteries with new ones.
Use within 6 m and 60° radius.
Reposition the main unit.
Relocate the main unit away from the
TV or cover TV's remote control sensor.
23
En
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