Sony WX-GT90BT - Manuel (Page 44)

44
Design and specifications are subject to change
without notice.
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.
 Check the connection or fuse.
 If the unit is turned off and the display
disappears, the unit cannot be operated with
the remote commander.
– Turn on the unit.
The power antenna (aerial) does not extend.
 The power antenna (aerial) does not have a
relay box.
No sound.
 The ATT function is activated.
 The position of the fader control “FADER” is
not set for a 2-speaker system.
No beep sound.
 The beep sound is canceled (page 36).
 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.
 The unit is reset.
– Store again in the memory.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the
ignition is switched.
 The leads are not matched correctly with the
car’s accessory power connector.