Sony CDX-GT300EE User Manual download pdf (Page 16)

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.

tTurn 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 “FAD” is not set for

a 2-speaker system.

• The CD changer is incompatible with the disc format

(MP3/WMA/ATRAC CD).

tPlay back with a Sony MP3 compatible CD

changer, or this unit.

No beep sound.

• The beep sound is cancelled (page 9).

• 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.

tStore 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.

The display disappears from/does not appear

in the display window.

• The dimmer is set “DIM-ON” (page 9).

• The display disappears if you press and hold (OFF).

tPress and hold (OFF) on the unit until the

display appears.

• The connectors are dirty (page 14).

DSO does not function.

Depending on the type of car interior or type of music,

DSO may not have a desirable effect.

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 12).

MP3/WMA files cannot be played back.

The disc is incompatible with the MP3/WMA format

and version (page 12).

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.

• “A.SCRL” is set to “OFF”.

t Set “A.SCRL-ON” (page 10) or press (SCRL).

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.

The operation buttons do not function.

The disc will not eject.

Press the RESET button (page 4).

“MS” or “MD” does not appear on the source

display when both the optional MGS-X1 and

MD changer are connected.

This unit recognizes MGS-X1 as an MD unit.

t Press (SOURCE) until “MS” or “MD” appears,

then press (MODE) repeatedly.

Radio reception

The stations cannot be received.

The sound is hampered by noises.

• Connect a power aerial control lead (blue) or

accessory power supply lead (red) to the power

supply lead of a car’s aerial booster (only when your

car has built-in FM/AM aerial in the rear/side glass).

• Check the connection of the car aerial.

• The auto aerial will not go up.

t Check the connection of the power aerial control

lead.

• Check the frequency.

• When the DSO mode is on, the sound is sometimes

hampered by noises.

t Set the DSO mode to “OFF” (page 6).

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Sony CDX-GT300EE User Manual Page 16

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