Sony CDX-M670 RU: Troubleshooting CD/MD playback General Radio reception

Troubleshooting CD/MD playback General Radio reception: Sony CDX-M670 RU

Table of contents

The rotary commander RM-X5S cannot be

Troubleshooting

operated.

Rotate the dial at the bottom of the rotary

The following checklist will help you remedy

commander until it can be operated.

problems you may encounter with your unit.

Before going through the checklist below, check

CD/MD playback

the connection and operating procedures.

A disc cannot be loaded.

Another CD/MD is already loaded.

General

The CD/MD is forcibly inserted upside down

No sound.

or in the wrong way.

Press the (+) side of (VOL) to adjust the

Playback does not begin.

volume.

Dirty or defective disc.

Cancel the ATT function.

CD-R that is not finalized, or a CD-RW.

Set the fader control to the centre position for

You tried to playback a CD-R not designed

a 2-speaker system.

for audio use.

The message LP appears in the display.

Some CD-Rs may not play due to its

MDLP tracks cannot be played back. (MDX-

recording equipment or the disc condition.

M690 only)

A disc is automatically ejected.

An optional MD unit does not conform to

The ambient temperature exceeds 50°C.

MDLP play back.

t Use this unit to playback the MDLP tracks.

CD will not be ejected.

The operation buttons do not function.

The contents of the memory have been

Press the reset button.

erased.

The reset button has been pressed.

The sound skips from vibration.

Store again into the memory.

(CDX-M770, CDX-M670)

The power cord or battery has been

The unit is installed at an angle of more than

disconnected.

60°.

The power connecting cord is not connected

(MDX-M690)

properly.

The unit is installed at an angle of more than

20°.

No beep sound.

The unit is not installed in a sturdy part of

The beep sound is cancelled (page 34).

the car.

Indications disappear from/do not appear in

The sound skips.

the display.

Dirty or defective disc.

The clock display disappears if you press

(OFF) for 2 seconds.

Cannot turn off the -------- indication.

t Press (OFF) again for 2 seconds to

You entered the name edit mode.

display the clock.

t Press (LIST) for 2 seconds.

Remove the front panel and clean the

connectors. See Cleaning the connectors

Radio reception

(page 36) for details.

Preset tuning is not possible.

Stored stations and correct time are erased.

Store the correct frequency in the memory.

The fuse has blown.

The broadcast signal is too weak.

Makes noise when the ignition key is in the

ON, ACC, or OFF position.

continue to next page t

The leads are not matched correctly with the

cars 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.

39