Troubleshooting; General; Radio Reception - Aiwa CDC-X504MP Mode D'emploi

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.
• Turn (PUSH-MENU) to the right to adjust the
volume.
• Cancel the ATT function.
• Set the fader control to the center 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 lead or battery has been disconnected.
• The power connecting lead is not connected
properly.
No beep sound.
• The beep sound is canceled (page 10).
• An optional power amplifier is connected and
you are not using the built-in amplifier.
The display disappears from/does not appear
on 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 16).
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 antenna does not extend.
The power antenna does not have a relay box.
12

Radio reception

Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
The stations cannot be received.
The sound is hampered by noises.
• Connect a power antenna control lead (blue) or
accessory power supply lead (red) to the power
supply lead of a car's antenna booster (only
when your car has built-in FM/AM antenna in
the rear/side glass).
• Check the connection of the car antenna.
• The auto antenna will not go up.
t Check the connection of the power antenna
control lead.
• Check the frequency.
Automatic tuning is not possible.
• The local seek mode is set to "ON."
t Set the local seek mode to "OFF" (page 7).
• The broadcast signal is too weak.
t Perform manual tuning.
A program broadcast in stereo is heard in
monaural.
t Cancel monaural reception mode (page 7).