Sony CDX-GT700D User Manual

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23
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.
General
No power is being supplied to the unit.
• Check the connection. If everything is in order, check 
the 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 aerial does not extend.
The power aerial does not have a relay box.
No sound.
• The volume is too low.
• 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 is not set for a 2-
speaker system.
• The CD changer is incompatible with the disc format 
(MP3/WMA/ATRAC CD).
t Play back with a Sony MP3 compatible CD 
changer, or this unit.
No beep sound.
• The beep sound is cancelled (page 16).
• 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 connecting lead or battery has been 
disconnected.
• The power connecting lead is not connected properly.
Stored stations and correct time are erased.
The fuse has blown.
Makes noise when the position of the ignition 
key is switched.
The leads are not matched correctly with the car’s 
accessory power connector.
•  Lead-free solder is used for soldering certain parts.
(more than 80 %)
•  Halogenated flame retardants are not used in the 
certain printed wiring boards.
•  Halogenated flame retardants are not used in 
cabinets.
•  VOC (Volatile Organic Compound)-free vegetable 
oil based ink is used for printing the carton.
•  Packaging cushions do not use polystyrene foam.
The display disappears from/does not appear 
in the display window.
• The dimmer is set “Dimmer on” (page 17).
• 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 21).
DSO 3D does not function.
Depending on the type of car interior or type of music, 
DSO 3D may not have a desirable effect.
The settings of Custom in HDEQ, DSO 3D and 
I-TA are not saved.
• Adjustment procedure is not complete. 
• The settings will not be saved, even if the pencil icon 
appears.
The images change automatically.
In Auto Image mode, the selected image cannot be 
displayed.
t To display selected image only, set to “Auto Image 
Any display items do not display.
t Set to “Information All” (page 16).
CD/MD playback
The disc cannot be loaded.
• Another disc is already loaded.
• The disc has been forcibly inserted upside down or in 
the wrong way.
The disc does not playback.
• Defective or dirty disc.
• The CD-Rs/CD-RWs are not for audio use (page 20).
MP3/WMA files cannot be played back.
The disc is incompatible with the MP3/WMA format 
and version (page 20).
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 ATRAC CD cannot play.
• The disc is not created by authorized software, such 
as SonicStage or SonicStage Simple Burner.
• Tracks that are not included in the group cannot be 
played.
The display items do not scroll.
• For discs with very many characters, those may not 
scroll.
• “Auto Scroll” is set to off.
t Set to “Auto Scroll on” (page 17) or press 
(SCRL) on the card remote commander.
The sound skips.
• Installation is not correct. 
t Install the unit at an angle of less than 45° in a 
sturdy part of the car.
• Defective or dirty disc.
continue to next page 
t