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 sound.•Press (VOL) (+) to adjust the volume.•Cancel the ATT function.•Set the fader control to the centre position for a 2-speaker system.

•You tried to play back MP3 files with an optional CD unit which is incompatible with MP3.

t Play back with a Sony MP3 compatible CD unit, such as the CDX-757MX.The contents of the memory have been erased.•The RESET button has been pressed. t Store again into the memory.•The power lead or battery has been disconnected.•The power connecting lead is not connected properly.No beep sound.•The beep sound is cancelled (page 25).

•An optional power amplifier is connected and you are not using the built-in amplifier.

The display disappears from/does not appear in the display window.•The display disappears if you press and hold(OFF).t Press and hold (OFF) again until the display appears.

•Remove the front panel and clean the connectors. For details, see “Cleaning the connectors” on page 30.

Stored stations and correct time are erased. The fuse has blown.Makes noise when the ignition key is in the ON, ACC, or OFF position.The leads are not matched correctly with the car’s accessory power connector.No power is being supplied to the unit.•Check the connection. If everything is in order, check the fuse.•The car does not have an ACC position.t Press (SOURCE) (or insert a disc) to turn on the unit.The power is continuously supplied to the unit.

The car does not have an ACC position.

The power aerial does not extend.The power aerial does not have a relay box.
CD/MD playbackA disc cannot be loaded.•Another CD is already loaded.•The CD is forcibly inserted upside down or in the wrong way.Playback does not begin.•Defective MD or dirty CD.•CD-R/CD-RW that is not finalized.•You tried to play back a CD-R/CD-RW not designed for audio use.

•Some CD-Rs/CD-RWs may not play due to its recording equipment or the disc condition.

MP3 files cannot be played back.

•Recording was not performed according to the ISO 9660 level 1 or level 2 format, or the Joliet or Romeo in the expansion format.

•The file extension “.mp3” is not added to the file name.•Files are not stored in MP3 format.MP3 files take longer to play back than others.The following discs take a longer time to start playback.–a disc recorded with complicated tree structure.–a disc recorded in Multi Session.–a disc to which data can be added.A disc is automatically ejected.The ambient temperature exceeds 50°C.The operation buttons do not function. CD will not be ejected.Press the RESET button.The sound skips from vibration.•The unit is installed at an angle of more than 45°.•The unit is not installed in a sturdy part of the car.The sound skips.Dirty or defective disc.

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