Sony XAV-72BT Manual De Instrucciones página 67

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.
If the problem is not solved, visit the following
support site.
Support site
http://support.sony-europe.com/
General
No power is being supplied to the unit.
• Check the connection or fuse.
• If the unit is turned off and the display disappears, it
cannot be operated with the remote commander.
t Turn on the unit.
The power antenna (aerial) does not extend.
The power antenna (aerial) does not have a relay box.
There is no beep sound.
• The beep sound is canceled (page 52).
• An optional power amplifier is connected and you are
not using the built-in amplifier.
The contents of the memory have been erased.
• The reset button has been pressed.
t Store again into the memory.
• The power supply lead or battery has been
disconnected or it is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
The unit makes noise when the position of the
ignition is switched.
The leads are not matched correctly with the car's
accessory power connector.
The display disappears from/does not appear
on the monitor.
• The dimmer is set to "ON" (page 52).
• The display disappears if you press and hold
(SOURCE/OFF).
t Press (SOURCE/OFF) on the unit until the
display appears.
• "M.OFF" is set to on and the Monitor Off function is
activated (page 13).
t Touch anywhere on the display to turn the display
back on.
The display does not respond to your touch
correctly.
• Touch one part of the display at a time. If two or more
parts are touched simultaneously, the display will not
operate correctly.
• Calibrate the touch panel of the display (page 49).
The Auto Off function does not operate.
The unit is turned on. The Auto Off function activates
after turning off the unit.
t Exit the source.
Operation of the remote commander is not
possible.
If the Monitor Off function is activated (no lighting),
operation of the remote commander is not possible
(page 13).
The menu items cannot be selected.
Unavailable menu items are displayed in gray.
AUX cannot be selected as the source.
All AUX input settings are set to "OFF."
t Set "AUX1 Input"/"AUX2 Input" to "Video" or
"Audio" (page 60).
The monitor angle cannot be adjusted.
The monitor was opened while the unit was being
reset.
t Be sure to close the front panel before you reset the
unit.
Radio reception
The stations cannot be received.
The sound is hampered by noises.
• The connection is not correct.
t Connect a power antenna (aerial) control lead
(blue) or accessory power supply lead (red) to the
power supply lead of a car's antenna (aerial)
booster (only when your car has built-in FM/
MW/LW antenna (aerial) in the rear/side glass).
t Check the connection of the car antenna (aerial).
t If the auto antenna (aerial) will not extend, check
the connection of the power antenna (aerial)
control lead.
Preset tuning is not possible.
• Store the correct frequency in the memory.
• The broadcast signal is too weak.
Automatic tuning is not possible.
• Setting of the local seek mode is not correct.
t Tuning stops too frequently:
Set "Local" to "ON" (page 17).
t Tuning does not stop at a station:
Set "Mono" to "ON" (page 17).
• The broadcast signal is too weak.
t Perform manual tuning.
During FM reception, the "Stereo" indication
flashes.
• Tune precisely to the desired frequency.
• The broadcast signal is too weak.
t Set "Mono" to "ON" (page 17).
An FM program broadcast in stereo is heard in
monaural.
The unit is in monaural reception mode.
t Set "Mono" to "OFF" (page 17).
RDS
Seek starts after a few seconds of listening.
The station is non-TP or has weak signal.
t Deactivate TA (page 19).
continue to next page t
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