Yamaha 506 - Manual (Page 26)

E- 22
Additional Information
TROUBLESHOOTING
If the unit fails to operate normally, check the following points to determine whether the problem can be corrected by the
simple measures suggested. If it cannot, or if the problem is not listed in the SYMPTOM column, disconnect the unit’s power
cord and contact your authorized YAMAHA dealer or service center for help.
SYMPTOM
This unit does not switch ON when
the POWER switch is pressed.
This unit does not work normally.
The disc tray does not close
completely.
A disc number does not light up
on the display.
Play does not begin.
Play 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.
The remote control transmitter
does not work.
PROBABLE CAUSE
The power cord is not connected or not
completely connected.
There is an influence of strong external noise
(lightning, excessive static electricity, etc.) or
a misoperation was performed while using
this unit.
A foreign object is obstructing the tray.
The disc has been loaded upside down.
The disc is damaged.
There is moisture on the laser pickup.
The disc is damaged.
The disc has been loaded upside down.
The disc is dirty.
The disc may be scratched or damaged.
Improper output cable connections.
Improper amplifier operation.
This unit is being subjected to vibrations or
impacts.
The disc is dirty.
Improper cable connections.
The tuner is too close to this unit.
The disc may be warped.
The batteries of this remote control
transmitter are too weak.
Direct sunlight or lighting (of an inverter type
of fluorescent lamp, etc.) is striking the
remote control sensor of the main unit.
REMEDY
Securely connect the power cord.
Turn off and disconnect the AC power from
the AC outlet. After about 30 seconds,
connect the power and try again.
Carefully check the disc tray and remove the
foreign object.
Reload the disc with the label side up.
Check the disc carefully; replace it if
necessary.
Wait 20 to 30 minutes after switching the unit
ON before trying to play a disc.
Check the disc carefully; replace it if
necessary.
Reload the disc with the label side up.
Clean the disc.
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.
Relocate this unit.
Clean the disc.
Securely connect the audio cables. If the
problem persists, the cables may be defective.
Move the tuner and this unit farther apart.
Replace the disc.
Replace the batteries with new ones.
Change position of the main unit.