Sony CDX-GT790UI, Руководство по эксплуатации

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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.
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.
No sound.
• The ATT function is activated, or the Telephone ATT
function (when the interface cable of a car telephone
is connected to the ATT lead) is activated.
• The position of the fader control “Fader” is not set for
a 2-speaker system.
• The CD changer is incompatible with the disc (MP3/
WMA/AAC).
t
Play back with a Sony MP3 compatible CD
changer, or this unit.
No beep sound.
• The beep sound is canceled (page 19).
• 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.
Makes 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, demonstration
mode starts.
If no operation is performed for 5 minutes with “Demo
on” set, demonstration mode starts.
t Set “Demo off” (page 19).
Support site
Customers in Latin America:
http://esupport.sony.com/ES/LA/
Customers in Pan Asia:
http://www.sony-asia.com/section/support
http://www.sony-asia.com/caraudio/
The display disappears from/does not appear
in the display window.
• The dimmer is set “Dimmer on” (page 19).
• The display disappears if you press and hold
(OFF)
.
t Press and hold
(OFF)
on the unit until the
display appears.
• The connectors are dirty (page 22).
The Auto Off function does not operate.
The unit is turned on. The Auto Off function activates
after turning off the unit.
t
Turn off the unit.
The display disappears while the unit is
operating.
The Black Out function is set to on (page 19).
Card remote commander operation is not
possible.
If the Black Out function is activated (no lighting),
card remote commander operation is not possible
(page 19).
DSO does not function.
Depending on the type of car interior or type of music,
DSO may not have a desirable effect.
Any display items do not display.
t Set to “Information on” (page 19).
Cannot adjust the volume level.
The portable audio device was not connected when
AUX was selected as
(SOURCE)
.
t
Connect the portable audio device to the AUX
input jack.
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/AM
antenna (aerial) in the rear/side glass).
t Check the connection of the car antenna (aerial).
t If the auto antenna (aerial) will not go up, check the
connection of the power antenna (aerial) control
lead.
t When the DSO mode is on, the sound is sometimes
hampered by noises.
Set the DSO mode to “off” (page 17).
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 on” (page 19).
t Tuning does not stop at a station:
Set “Local off” (page 19).
• The broadcast signal is too weak.
t
Perform manual tuning.