Troubleshooting - Sony MEX-N4050BT Operating Instructions Manual

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22
GB

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.
For details on using the fuse and removing the unit
from the dashboard, refer to the installation/
connections manual supplied with this unit.
If the problem is not solved, visit the support site on
the back cover.
General
No power is being supplied to the unit.
 If the unit is turned off and the display
disappears, the unit cannot be operated with the
remote commander.
 Turn on the unit.
No sound.
 The position of the fader control [FADER] is not
set for a 2-speaker system.
No beep sound.
 An optional power amplifier is connected and
you are not using the built-in amplifier.
The contents of the memory have been erased.
 The power supply lead or battery has been
disconnected or not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes a noise when the position of the ignition
is switched.
 The leads are not matched correctly with the car's
accessory power connector.
During playback or reception, the demonstration
mode starts.
 If no operation is performed for 5 minutes with
[DEMO-ON] set, the demonstration mode starts.
 Set [DEMO-OFF] (page 17).
The display disappears from/does not appear in
the display window.
 The dimmer is set to [DIM-ON] (page 17).
 The display disappears if you press and hold OFF.
 Press OFF on the unit until the display appears.
 The connectors are dirty (page 20).
The display disappears while the unit is
operating.
 The Black Out function is set to on (page 17).
The operation buttons do not function.
The disc will not eject.
 Press PTY and
(back)/MODE for more than 2
seconds to reset the unit.
The contents stored in memory are erased.