Troubleshooting - Sony MEX-N7300BD Operating Instructions Manual

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28
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, see
"Connection/Installation" (page 34).
If the problem is not solved, visit the support
site on the back cover.
General
No sound or the sound is very low.
 The position of the fader control [FADER]
is not set for a 2-speaker system.
 The volume of the unit and/or connected
device is very low.
– Increase the volume of the unit and
connected device.
No beep sound.
 An optional power amplifier is connected
and you are not using the built-in
amplifier.
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 20).
The display disappears from/does not
appear in the display window.
 The connectors are dirty (page 25).
The display/illumination flashes.
 The power supply is not sufficient.
– Check that the car battery supplies
enough power to the unit. (The power
requirement is 12 V DC.)