Troubleshooting - Sony MEX-N50000BT Operating Instructions Manual

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.
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 19}.
The display disappears from/does not appear in
the display window.
~The
dimmer is set to [DIM-ON) (page 19}.
~
The display disappears if you press and hold OFF.
-Press OFF on the unit until the display appears.
~The
connectors are dirty (page 22}.
The operation buttons do not function.
The disc will not eject.
~
Press PTY /CAT and
~
{back}/MODE for more
than 2 seconds to reset the unit.
The contents stored in memory are erased.
For your safety, do not reset the unit while you
are driving.
24GB
Radio reception
Stations cannot be received.
The sound is hampered by noises.
~ The connection is not correct.
-If your car has built-in radio antenna (aerial} in
the rear/side glass, connect an REM OUT lead
(blue/white striped} or accessory power supply
lead (red} to the power supply lead of a car's
antenna (aerial} booster.
-Check the connection of the car antenna
(aerial}.
-If the auto antenna (aerial} will not extend,
check the connection of the power antenna
(aerial} control lead.
Preset tuning is not possible.
~
The broadcast signal is too weak.
PTY displays[--------].
~The
current station is not an RDS station.
~
RDS data has not been received.
~The
station does not specify the program type.
The disc does not play back.
~ Defective or dirty disc.
~The
CD-R/CD-RW is not for audio use (page 20}.
MP3/WMA files cannot be played back.
~ The disc is incompatible with the MP3/WMA
format and version. For details on playable discs
and formats, visit the support site.
MP3/WMA files take longer to play back than
others.
~ The following discs take a longer time to start
playback.
-A disc recorded with a complicated tree
structure.
-A disc recorded in Multi Session.
-A disc to which data can be added.
The sound skips.
~ Defective or dirty disc.
You cannot play back items via a USB hub.
~This
unit cannot recognize USB devices via a USB
hub.
A USB device takes longer to play back.
~
The USB device contains files with a complicated
tree structure.