Troubleshooting - Sony CDX-L490X Manual De Instrucciones

Troubleshooting

The following checklist will help you remedy
problems you may encounter with your unit.
Before going through the checklist below, check
the connection and operating procedures.
General
No sound.
• Press the volume + button to adjust the
volume.
• Cancel the ATT function.
• Set the fader control to the centre position for
a 2-speaker system.
The contents of the memory have been
erased.
• The RESET button has been pressed.
t Store again into the memory.
• The power cord or battery has been
disconnected.
• The power connecting cord is not connected
properly.
No beep sound.
• The beep sound is cancelled (page 12).
• An optional power amplifier is connected
and you are not using the built-in amplifier.
The display disappears from/does not
appear in the display window.
• The display disappears if you press and hold
(OFF).
t Press and hold (OFF) again until the
display appears.
• Remove the front panel and clean the
connectors. See "Cleaning the connectors"
(page 13) for details.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the ignition key is in the
ON, ACC, or OFF position.
The leads are not matched correctly with the
car's accessory power connector.
No power is being supplied to the unit.
• Check the connection. If everything is in
order, check the fuse.
• The car does not have an ACC position.
t Press (SOURCE) (or insert a disc) to turn
on the unit.
The power is continuously supplied to the
unit.
The car does not have an ACC position.
The power aerial does not extend.
The power aerial does not have a relay box.
16
CD playback
A disc cannot be loaded.
• Another CD is already loaded.
• The CD has been forcibly inserted upside
down or in the wrong way.
Playback does not begin.
• Defective dirty CD.
• CD-R/CD-RW that is not finalized.
• You tried to playback a CD-R/CD-RW not
designed for audio use.
• Some CD-Rs/CD-RWs may not play due to
its recording equipment or the disc
condition.
A disc is automatically ejected.
The ambient temperature exceeds 50°C.
The operation buttons do not function.
CD will not be ejected.
Press the RESET button.
The sound skips from vibration.
• The unit is installed at an angle of more than
60°.
• The unit is not installed in a sturdy part of
the car.
The sound skips.
Dirty or defective disc.