Sony CDX-M620, CDX-M670, CDX-M770 Operating Instruction

FM/AM Compact Disc Player

3-230-446-11 (1)

Operating Instructi on s Mode d’emploi Manual de instrucciones

Owner’s Record

The model and serial numbers are located on th e bottom of the unit. Record these numbers in the spa ce provided below. Refer to these numbers whenever you call upon your Sony dealer regarding this produc t.

Model No. CDX-M770/M670/M620 Serial No.

For installation and connecti ons, see the supplied installation /c onnections manual. En ce qui concerne l’installation et les connexions, consulter le manuel d’installation/raccordement fourni. Para obtener información sobre la instalación y las conexiones, consulte el ma nua l de instalación/conexiones suministrado.

US FR ES

CDX-M770 CDX-M670 CDX-M620

Warning

Welcome !

This equipme nt has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC R ul es . These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed a nd used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television recept i on, which can be determined by turn in g the equipment off and on, the user is encoura ged to try to correct the interference by one or m o r e of the following measures:

–Reorient or relocate the rec eiving antenna. –Increase the se paration between the equipment

and receiver.

–Connect the equipm ent into an outlet on a

circuit different from t hat to which the receiver is connected.

–Consult the dealer or an experienced radio/TV

technician for help.

You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate thi s equipment.

THIS DEVICE COMPLIES WITH PART 15 OF THE FCC RULES. OPERATION IS SUBJECT TO THE FOLLOWING TWO CONDITIONS; (1) THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE, AND (2) THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED, INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION.

Thank you for purchasing this Sony Compact Disc Player. Yo u can enjoy its various featur es even mo re with:

• Display language*

choice from Eng l i sh,

French, Span i sh.

• Optional CD/MD units (both changers and players)*

• CD TEXT information (displayed when a CD TEXT disc*

is played).

• Supplied controller accessory

Card remote commander RM-X110 Wireless rotary commander RM-X5S (CDXM770)

• Optional controller accessories

Wireless rotary commander RM-X5S (CDXM670/M620)

*1 Some display indications do not appear in the

language you select.

*2 This unit works with Sony products only. *3 A CD TEXT disc is an audio CD that includes

information such as the disc name, artist name, and track names. This information is recorded on the disc.

CAUTION

The use of optical instruments with this product will increase eye hazard.

Table of Contents

Location of controls. . . . . . . . . . . . . . . . . . . . 4

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Notes on CDs. . . . . . . . . . . . . . . . . . . . . . . . . 7

Getting Started

Resetting the unit. . . . . . . . . . . . . . . . . . . . . . 8

Detaching the main display window . . . . . . . 8

Setting the clock . . . . . . . . . . . . . . . . . . . . . . 9

CD Player CD/MD Unit (optional)

Playing a disc. . . . . . . . . . . . . . . . . . . . . . . . 10

Display items. . . . . . . . . . . . . . . . . . . . . . . . 10

Playing tracks repeatedly

— Repeat Play . . . . . . . . . . . . . . . . . . . . 11

Playing tracks in ra ndom order

— Shuffle Play . . . . . . . . . . . . . . . . . . . . 11

Labeling a CD

— Disc Memo*. . . . . . . . . . . . . . . . . . . . 11

Locating a di sc by name

— List-up* . . . . . . . . . . . . . . . . . . . . . . . 12

Selecting specific tracks for playback

— Bank*. . . . . . . . . . . . . . . . . . . . . . . . . 13

* Functions available with optional CD/MD unit

Radio

Storing stations automatically

— Best Tuning Memory (BTM). . . . . . . 14

Receiving the stored stations. . . . . . . . . . . . 14

Storing only the desired stations . . . . . . . . . 15

Storing station names

— Station Memo. . . . . . . . . . . . . . . . . . . 15

Tuning in a station through a list

— List-up . . . . . . . . . . . . . . . . . . . . . . . . 16

Tuning up for your best sound

Setting the equalizer (EQ7). . . . . . . . . . . . . 17

Setting the soun ds ta ge menu

— Dynamic Sound st age Organizer

(DSO) . . . . . . . . . . . . . . . . . . . . . . . . 18

Listening to each programme source in its registered DSO

— Source Sound Memory (SSM) . . . . . 19

Adjusting the sound characteristics . . . . . . 1 9

Selecting the listening position

(CDX-M770 only) . . . . . . . . . . . . . . . . . 20

Adjusting the balance (BAL) . . . . . . . . . . . 20

Adjusting the bass

(CDX-M670/M620 only). . . . . . . . . . . . 20

Adjusting the treble

(CDX-M670/M620 only). . . . . . . . . . . . 21

Adjusting the balance (FAD)

(CDX-M670/M620 only). . . . . . . . . . . . 21

Adjusting the front and rear volume

(CDX-M770 only) . . . . . . . . . . . . . . . . . 21

Adjusting the volume of the

subwoofer(s) . . . . . . . . . . . . . . . . . . . . . . . . 2 2

Other adjustable items

(CDX-M670/M620 only). . . . . . . . . . . . 23

Other Functions

Using the rotary commander. . . . . . . . . . . . 23

Quickly attenuating the sound . . . . . . . . . . 25

Selecting the spectrum analyzer. . . . . . . . . 25

Changing the sound and display settings

— Menu . . . . . . . . . . . . . . . . . . . . . . . . . 26

Labeling a Motion Display. . . . . . . . . . . . . 27

Connecting auxiliary audio equipment

(CDX-M770 only) . . . . . . . . . . . . . . . . . 27

TV/Video (optional)

Watching the TV. . . . . . . . . . . . . . . . . . . . . 28

Watching a video . . . . . . . . . . . . . . . . . . . . 2 8

Storing TV channels automatically. . . . . . . 28

Storing only the des ired TV channels. . . . . 28

Storing the TV channel names . . . . . . . . . . 29

Displaying the information stored

on a disc . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Watching the TV or video while listening to a CD or MD

— Simultaneous Play. . . . . . . . . . . . . . . 30

Additional Information

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . 31

Removing the unit. . . . . . . . . . . . . . . . . . . . 32

Specifications . . . . . . . . . . . . . . . . . . . . . . . 33

Troubleshooting . . . . . . . . . . . . . . . . . . . . . 34

Error displays/Messages. . . . . . . . . . . . . . . 35

Location of controls

Card remote commander RM-X110

Refer to the pages listed for details.

: During Playback : During radio reception : During menu mode

CD/MD

SCRL

DSPL

REP SHUF

EQ7 DSO

–

SEEK

SOUND

RADIO MENU

OPEN/CLOSE

MODE

LIST

DISC

SOURCE

DISC

VOL

SEEK

–

ENTER

ATTOFF

–

(+): to select upwards

< (SEEK)

(–): to select

leftwards/

In menu mode, the currently selectable button(s) of these four are indicated with a “ v” in the display.

Note

If the unit is turned off by pressing (OFF) for 2 seconds, the unit cannot be operated with the card remote commander unless (SOURCE) on the unit is pressed, or a disc is inserted to act ivate the unit first.

Tip

Refer to “Replacing the lithium battery” for details on how to replace the batteries (page 31).

–

SEEK

(–): to select downwards

M (DISC)

DISC

SOURCE

–

DISC

m (DISC)

SEEK

, (SEEK)

(+): to select

rightwards/

a SCRL (scroll) button 10 b DSPL (display mode change) button

10, 12, 27

c Number buttons

CD/MD

(1) REP 11 (2) SHUF 11

RADIO

14, 15 28, 29

d EQ7 button 17 e MENU button 9, 11, 12, 13, 14, 15, 16,

17, 18, 19, 21, 22, 23, 25, 26, 27 , 28 , 30

f SOURCE (Power on/Radio/CD/MD)

button 9, 10, 12, 14, 15, 17, 18, 20, 21,

22, 25, 26, 27, 28, 30

g </, SEEK –/+ buttons 19, 20, 21, 22

CD/MD

14, 15

RADIO

28, 30

9, 11, 13, 17, 18, 19, 22, 23, 25,

26, 27

h SOUND button 19, 20, 21, 22 i OFF (Stop/Power off) button

10, 27,

j VOL +/ – buttons k

OPEN/CLOSE button

l MODE button

CD/MD

10, 12

RADIO

14, 15 28

m DSO button 18 n LIST button

CD/MD

RADIO

16 28, 29

o M/m DISC +/– buttons

10, 12

CD/MD

14, 15, 16

RADIO

9, 11, 12, 13, 14, 16, 17, 18, 19,

21, 22, 23, 25, 26, 27, 28

p ENTER button

CD/MD

RADIO

15, 16

9, 11, 12, 13, 14, 16, 17, 18, 21, 22, 23, 25, 26, 27, 28 22, 30

q A TT button 25

10, 32

Main display panel

Operation side

SOURCE

RESET

REP SHUF

AF TA

123456

SOUND

DISC

DSO

EQ7

DISC

LIST

ENTER

The corresponding buttons of the unit control the same functions as those on the card remote comm ander.

a OPEN button 8, 10, 32 b Main display window c qf Receptor for the car d re mo te

commander

d qs Reset button 8 e Volume adjust buttons f SCRL (scroll) button g SOURCE button h DSPL (display mode change) button i Sub display window

CDX-M770/CDX-M670

/CDX-M620

j DISC +/– (cursor up/down) buttons

SEEK –/+ (cursor left/right) buttons

k MENU button m LIST button o

CLOSE (front panel close) button

8, 10

p OFF (Sto p/Power off) button* q MODE button r Number buttons s SOUND button t EQ7 button u ENTER button v DSO button w Z (eject) button 10, 30

continue to next page t

* Warning when installing in a car without

an ACC (accessory) position on the ignition switch

After turning off the ignition, be sure to press the power on/off button on the unit for 2 seconds to turn off the clock display.

Otherwise, the cl ock display does not t urn off and this causes batt er y dr ai n.

Precautions

• If your car was parked in direct sunlig ht, allow the unit to cool off before operating it.

• Power aerials will extend automatically while the unit is operating.

Concerning the front panel positions

This unit has 3 front panel open modes.

• Main display position

unit

• Detaching position

unit

• Sub display position

unit

If you have any questions or prob le ms concerning your unit that are not covered in this manual, please co ns ult your nearest Sony deale r.

Moisture condensation

On a rainy day or in a very dam p area, moisture condensation may occur inside the lenses and display of the unit. Should this occur, the unit will not operate properly. In such a case, remove the disc and wait for about an hour until the moisture has evaporated.

To maintain high sound quality

Be careful not to splash juice or other soft drinks onto the unit or discs.

To prevent the wireless rotary commander RM-X5S from falling off (supplied with CDX-M770 only)

If the wireless commander falls off, it could cause an accident .

• Be sure to attach the supplied strap when installing the rotary commander near the steering wheel.

• Be sure that the strap does not get caught on the car controls (gear, shifter, etc.).

• Be sure to tighten the stopper of the strap after hanging the strap on the indicator switch, etc.

Notes on CDs

• T o keep th e disc cl ean, do no t touch th e surf ace. Handle the disc by its edge.

• Keep your discs in the ir cases or disc magazines when not in use. Do not subject the discs to heat/high temperature. Avoid leaving them in parked cars or on dashboard s/ rear trays.

• Do not attach labels, or use discs with sticky ink/residue. Such discs may stop spinning when used, causing a malfunction, or may ruin the disc.

Notes on CD-R/CD-RW discs

• You can play CD-Rs (recor dable CDs) designed for audio use on this unit. Look for this mark to distinguish CD-Rs for audio use.

This mark denotes that a disc is not for audio use.

• Some CD-Rs (depending on the equipment used for its recording or the condition of the disc) may not play on this unit.

• You cannot play a CD-R that is not finalized*.

* A process necessary for a recorded CD-R disc to

be played on the audio CD player.

• You cannot play CD-RWs (rewritable CDs) on this unit .

• Discs with non-standard shapes (e.g., heart, square, star) cannot be played on this unit. Attempting to do so may damage the unit. Do not use such discs.

• Yo u cannot play 8 cm (3in.) CD s.

• Before playin g, clean the discs with a

commercially available cleaning cloth. Wipe each disc from the centre out. Do not use solvents such as ben zine, thinner , co mmercially available cleaners, or antistatic spray intended for analog discs.

Getting Started

Resetting the unit

Detaching the main display window

You can detach the main display window of this unit to protect the unit from being stolen.

Before operating the unit for the first time, or after replacing the car battery or chan gi ng the connections, you must reset the unit. Press the reset button with a pointed object, such as a ball-point pen.

Reset button

Notes

• After resetting the unit in the closed position, be sure to press (OPEN) once before operating further. If a disc is in the unit, the disc will be ejected automatically. Insert the disc again.

• Pressing the reset button will erase the clock setting and some stored contents.

Resetting the unit during use in sub display-position

Reset button by the disc-slot with a pointed object, such as a ball-point pen.

Reset button

Caution alarm

If you turn the ignition switch to the OFF position withou t removing the front panel, th e caution alarm will beep for a few seconds.

1 Press (OPEN) on the unit for 2

seconds.

CD/MD playback or radio reception stops , and the front panel automatically tilts at an angle of 30°.

(OPEN)

2 Detach the main display window as

illustrated.

After the main displa y w i ndow de ta ching is complete, the front panel closes automatical.

Notes

• If you detach the main display window while the unit is still turned on, the power will turn off automatically to prevent the speakers from being damaged.

• Do not drop or put excessive pressure on the display window.

• Do not subject the main display window to heat/high temperature or moisture. Avoid leaving it in parked cars or on dashboards/rear trays.

Tips

• If you want to detach the main display window, when the front panel is in the sub-display position, press (CLOSE) for 2 seconds.If a disc is partially inserted, load the disc correcty or remove the disc from the unit.

• When carrying the main display window with you, use the supplied front panel case.

Attaching the main display window panel

Place the main display window on the front side of the unit as illustrated, then lightly push the front panel into position until it clicks. Press (SOURCE) (or insert a di sc) to oper ate the unit.

Note

Do not put anything on the inner surface of the main display window.

Setting the clock

The clock uses a 12-ho ur di gi ta l ind ic at i on. Example: To set the clock to 10:08

1 Press (MENU), then press M or m (the

either (+/–) side of (DISC)) repeatedly until “Clock” appears.

1 Press (ENTER).

The hour indication flashes.

2 Press M or m to set the hour. 3 Press , (the (+) side of (SEEK)).

The minute indication flashes.

4 Press M or m to set the minute.

2 Press (ENTER).

The clock starts. After the clock setting is completed, the display retu rn s to no rma l play mode.

Tip

When D.Info mode is set to on, the time is always displayed (page 26).

(With optional unit)

CD Player CD/MD Unit (optional)

In addition to playing a CD with this unit, you can also control external CD/MD uni ts.

Note

If you connect an optional CD unit with the CD TEXT function, the CD TEXT information will appear in the display when you play a CD TEXT disc.

Playing a disc

(With this unit)

1 Press (OPEN/CLOSE) or (OPEN) on the

unit and insert the disc (labeled side up).

Playback starts automatically.

2 Press (OPEN/CLOSE) or (CLOSE) on

the unit to close the front panel.

If a disc is already inserted, press (SOURCE) repeatedly until “CD” appears to start playbac k.

To Press

Stop playba ck (OFF) Eject the disc (OPEN/CLOSE) , or

Skip tracks –Automatic

Music Sensor

Fast-forward/ reverse –Manual Search

Notes

• When the last track on the disc is over, playback restarts from the first track of the disc.

• With optional unit connected, playback of the same source will continue on to the optional CD/MD unit.

(OPEN) then Z

</, (SEEK) ( [once for each tr ack]

</, (SEEK) ( [hold to desired po int]

./>)

m/M)

1 Press (SOURCE) repeatedly to select

“CD” or “MD.”

2 Press (MODE) repeatedly until the

desired unit appears.

Playback starts.

To Press

Skip discs

M/m (DISC) (+/–)

–Disc selection

Display items

When the disc/tra ck changes, any prerecor ded

title*

of the new disc/track is automatically displayed (if the Auto Scroll function is set to “on,” names exceedi ng 9 characters will be scrolled (page 26)).

Displayable items

• Music source

• Clock

Disc number

Displayable ite m s

• Disc name*

• Track t itle*

To Press

Switch display

Track number

/artist name*

(DSPL)

item Scroll display item (SCRL)

*1 When pressing (DSPL), “NO D.Name” or “NO

T.Nam e” indicates that there is no Disc Memo (page 11) or prerecorded name to display.

*2 Only for CD TEXT discs with the artist name.

Notes

• Some characters cannot be displayed.

• For some CD TEXT discs with very many

characters, information may not scroll.

• This unit cannot display the artist name for each

track of a CD TEXT disc.

Tip

When Auto scroll is set to off, and the disc/track is changed, the disc/track name does not scroll.

Elapsed playing time

Playing tracks repeatedly

— Repeat Play

The disc in the main unit will repeat a track or the entire d isc wh en it reac hes the end. For r epe at play, you can select:

• Repeat 1 — to repe at a t rack.

• Repeat 2* — to repeat a disc.

* Available only when one or more optional CD/MD

units are connected.

During playback, press (1) (REP) repeatedly until the desired setting appears in the display.

Repeat Play starts .

To return to normal play mode, select “Repeat off.”

Playing tracks in random order

— Shuffle Play

Yo u can select:

• Shuf 1 — to play the tracks on the current di s c in random order.

• Shuf 2*

• Shuf All*

*1 Available only when one or more optional CD (MD) *2 Available only when one or more optional CD units,

To return to normal play mode, select “Shuf off.”

Note

“Shuf All” will not shuffle tracks between CD units and MD units.

— to play the tracks in the current

optional CD (MD) un i t in random order. connected CD (MD) units (including this unit)

in random order.

— to play all the tracks in all the

units are connected. or two or more optional MD units are connected.

During playback, press (2) (SHUF) repeatedly until the desired setting appears in the display.

Shuffle Play starts.

Labeling a CD

— Disc Memo (For a CD unit with the CUSTOM FILE function)

You can label each disc with a custom name (Disc Memo). You can enter up to 8 characters for a disc. If you label a CD, you can locate the disc by name (page 12).

1 Start playing the disc you want to label

in a CD unit with the CUSTOM FILE function.

2 Press (MENU), then press M or m

repeatedly until “Name Edit” appears.

3 Press (ENTER).

The unit will repeat the disc during the labeling procedure .

4 Enter the characters.

1 Press M*

desired character.

A t B t C ... t 0 t 1 t 2 ... t +

t – t

*1 For reverse order, press m. *2 (blank space)

2 Press , af te r l ocating the desired

character.

If you press < (the (–) side of (SEEK)), you can mov e back to the left.

3 Repeat steps 1 and 2 to enter the

entire name.

5 To return to normal CD play mode,

press (ENTER).

repeatedly to select the

... t *2 t A

continue to next page t

Tips

• Simply overwrite or enter “” to correct or erase a name.

• There is another way to start labeling a CD: Press (LIST) for 2 seconds instead of performing steps 2 and 3. You can also complete the operation by pressing (LIST) for 2 seconds instead of step 5.

• You can label CDs on a unit without the CUSTOM FILE function if that unit is connected along with a CD unit that has the function. The Disc Memo will be stored in the memory of the CD unit with the CUSTOM FILE function.

Note

Repeat/shuffle play is suspended until the Name Edit is complete.

Viewing the Disc Memo

As a display item, the Disc Memo always takes priority over any orig in al CD TEXT information.

To Press

View (DSPL) during CD/CD

TEXT disc playback

Locating a disc by name

— List-up (For a CD unit with the CD TEXT/ CUSTOM FILE function, or an MD unit)

Y ou can use this function for discs that have been assigned custom names*

discs*

*1 Locating a disc by its custom name: when you

assign a name for a CD (page 11) or an MD.

*2 Locating discs by the CD TEXT information: when

you play a CD TEXT disc on a CD unit with the CD TEXT function.

1 Press (LIST).

The name assigned to the current disc appears in the display.

or for CD TEXT

Tip

To find out about other items that can be displayed, see page 10.

Erasing the Disc Memo

1 Press (SOURCE) repeatedly to select

“CD.”

2 Press (MODE) repeatedly to select the

CD unit storing the Disc Memo.

3 Press (MENU), then press M or m

repeatedly until “Name Del” appears.

4 Press (ENTER).

The stored names will appear.

5 Press M or m repeatedly to select th e

disc name you want to erase.

The stored names will appear.

6 Press (ENTER) for 2 seconds.

The name is erased. Repeat steps 5 and 6 if you want to erase other names.

7 Press (ENTER).

The unit returns to no rmal CD play mode.

Notes

• When the Disc Memo for a CD TEXT disc is era sed , the original CD TEXT information is displayed.

• If you cannot find the Disc Memo you want to erase, try selecting a different CD unit in step 2.

2 Press M or m repeatedly until you find

the desired disc.

3 Press (ENTER) to play the disc.

Notes

• Some letters cannot be displayed (exception: Disc Memo).

• If the optional TV monitor is connected, the list appears on the TV monitor instead of the display on the unit.

Selecting specific tracks for playback

— Bank (For a CD unit with the CUSTO M FILE function)

If you label the disc, you can set the unit to skip or play the tracks of your choice.

1 Start playing the disc you want to

label.

2 Press (MENU), then press M or m

repeatedly until “Bank Sel” appears.

3 Press (ENTER).

4 Label the tracks.

1 Press < or , repeatedly to select

the track you want to label.

2 Press (ENTER) repeate dly to se l ect

“Play” or “Skip.”

5 Repeat step 4 to set “Play” or “Skip”

for all the tracks.

6 Press (ENTER).

The unit returns to normal CD play mode.

Notes

• You can set “Play” and “Skip” for up to 24 tracks.

• You cannot set “Skip” for all the tracks on a CD.

Playing specific tracks only

You can select:

• Bank on — to play the tracks with the “Play”

setting.

• Bank inv (Inverse) — to play the tracks with

the “Skip” setting.

1 During playback, press (MENU), then

press M or m repeatedly until “Bank on,” “Bank inv,” or “Bank off” appears.

2 Press , repeatedly until the desired

setting appears.

3 Press (ENTER).

Playback starts from the track following the current one.

To return to normal play mode, select “Bank off” in step 2.

Radio

The unit can stor e up to 6 stations pe r band (FM1, FM2, FM3, A M1, and AM2).

Caution

When tuning in stations while driving, use Best Tuning Memory to prevent accidents.

Storing stations automatically

— Best Tuning Memory (BTM)

The unit selects the stations with the strongest signals within the selected band, and stores them in the order of their frequency.

1 Press (SOURCE) repeatedly to select

the radio.

2 Press (MODE) repeatedly to select the

band.

3 Press (MENU), then press M or m

repeatedly until “BTM” appears.

4 Press (ENTER).

A beep sounds when the setting is stored.

Notes

• If only a few stations can be received due to weak signals, some number buttons will retain their former settings.

• When a number is indicated in the display, the unit starts storing stations from the one currently displayed.

Receiving the stored stations

1 Press (SOURCE) repeatedly to select

the radio.

2 Press (MODE) repeatedly to select the

band.

3 Press the number button ((1) to (6))

on which the desired station is stored.

Tip

Press M or m to receive the stations in the order they are stored in the memory (Preset Search function).

If preset tuning does not work

Press eith er side of (SEEK) to search for the station (automatic tuning).

Scanning stops when the unit receives a station. Repeat until the desired station is received.

Tips

• If automatic tuning stops too frequently, turn on the Local Seek to limit seek to stations with stronger signals (see “Changing the sound and display settings” on page 26).

• If you know the frequency of the station you want to listen to, press and hold either side of (SEEK) to locate the approximate frequency, then press (SEEK) repeatedly to fine adjust to the desired frequency (manual tuning).

If FM stereo reception is poor

Select monaural reception mode

(see “Changing the sound and display settings” on page 2 6) . The sound improves, but become s monaura l (“ST” disappears).

Note

If interference occurs, this unit will automatically narrow the reception frequency to eliminate noise (IF Auto function). In such cases, some FM stereo broadcasts may become monaural while in the stereo reception mode.

Tip

To always hear FM stereo broadcasts in stereo, you can change the IF Auto setting and widen the frequency signal reception (see “Changing the sound and display settings” on page 26). Note that some interference may occur in this setting.

Storing only the desired stations

Yo u can manually preset the desired stations on any chosen number button.

1 Press (SOURCE) repeatedly to select

the radio.

2 Press (MODE) repeatedly to select the

band.

3 Press either side of (SEEK) to tune in

the station that you want to store.

4 Press the desired numb er button ((1)

to (6)) for 2 seconds until “MEM” appears.

The number button in di cation appears in the display.

Note

If you try to store another station on the same number button, the previously stored station will be erased.

Storing station names

— Station Memo

You can assign a name to each radio station and store it in memory. The name of the station currently tuned in appears in the di splay. You ca n assign a name usi ng up to 8 characters for a station.

Storing the station names

1 Tune in a station whose name you

want to store.

2 Press (MENU), then press M or m

repeatedly until “Name Edit” appears.

3 Press (ENTER).

4 Enter the characters.

1 Press M*

desired character.

A t B t C ... t 0 t 1 t 2 ... t +

t – t

*1 For reverse order, press m. *2 (blank space)

2 Press , af te r l ocating the desired

character.

repeatedly to select the

... t *2 t A

If you press <, you can move back to the left.

3 Repeat steps 1 and 2 to enter the

entire name.

5 Press (ENTER).

continue to next page t

Tips

• Simply overwrite or enter “” to correct or erase a name.

• There is another way to start storing station names: Press (LIST) for 2 seconds instead of performing steps 2 and 3. You can also complete the operation by pressing (LIST) for 2 seconds instead of step 5.

Erasing the station name

1 During radio reception, press (MENU),

then press M or m repeatedly until “Name Del” appears.

2 Press (ENTER). 3 Press M or m repeatedly to select th e

station whose name you want to erase.

4 Press (ENTER) for 2 seconds.

The name is erased. Repeat steps 3 to 4 if yo u wa nt to era se other names.

5 Press (ENTER).

The unit returns to no rmal radio recept io n mode.

Note

If you have already erased all of the station names, “NO Data” appears in step 4.

Tuning in a station through a list

— List-up

1 During radio reception, press (LIST)

momentarily.

The frequency or the name assigned to the current station appears in the display.

2 Press M or m repeatedly until you find

the desired station.

If no name is assigned to the selected station, the frequency appea rs in the display.

3 Press (ENTER) to tune in the desired

station.

Note

If the optional TV monitor is connected, and if the monitor responds to this function, the list appears on the TV monitor instead of the display on the unit.

Adjusting the equalizer curve

Tuning up for your best sound

The unit provides the various functions to adj ust the sound so that you can enjoy the best sounding music.

Setting the equalizer (EQ7)

Yo u can select an equal iz er curve for 7 music types (Vocal, Club, Jazz, New Age, Rock, Custom, and Xplod ). Yo u can store and adjust the equalizer settings for frequency and l evel.

Selecting the equalizer curve

1 Press (SOURCE) to select a source

(radio, CD, or MD).

2 Press (EQ7) repeatedly until the

desired equalizer cur ve.

Each time you pr ess (EQ7), the item changes.

1 Press (MENU). 2 Press M or m repeatedly until “EQ7

Tune” appears, then press (ENTER).

3 Press < or , to select the d es ired

equalizer curve, then press (ENTER).

Each time you press (SEEK), the item changes.

4 Select the desired frequency and level.

1 Press < or , to select the desired

frequency.

Each time you press < or ,, the frequency change s as follows:

62 Hz y 157 Hz y 396 Hz y 1.0 kHz y 2.5 kHz y 6.3 kHz y 16 kHz

2 Press M or m to adjust the desired

volume level.

(CDX-M770) The volume l evel is adjustable by 1 dB steps from –12 dB to +12 dB. (CDX-M670/M620) The volume l evel is adjustable by 1 dB steps from –10 dB to +10 dB.

To cancel the equalizing effect, select “off.” After 3 seconds, the display returns to the normal playba ck m ode.

To restore the factory-set equaliz er c ur ve , press (ENTER) for 2 seconds.

5 Press (ENTER).

After the effect setting is complete, the display returns to the nor m al playback mode.

Setting the soundstage menu

— Dynamic Soundstage Organizer (DSO)

If your speakers are i nstalled into the lower part of the doors, the so und will come from be l ow and may not be clear. The DSO (Dynami c Soundstage Organizer) function creates a more ambient sound as if there were speakers in th e dashboard (virtual speakers).

Selecting the DSO mode (CDX-M770)

DSO mode of CDX-M770 Display window Meaning STD WIDE STD-SP WIDE-SP off

Image of virtual speakers

*1 STD *2 Wide *3 STD+depth *4 Wide+depth *5 Actual speakers position (l ower part of the front

doors)

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (DSO) repeatedly to select the

desired DSO mode.

Virtual speakers (Standar d) Virtual speakers (Wide) Standard+depth Wide+depth Cancel

Effect 3

Effect 1

Tips

• The DSO effect may be hard to discern depending on the type of car you are driving and the music you are listeni ng to.

• When DSO setting is "WIDE," the FM reception is inaudible. In this case, reset the DSO setting to "STD."

Turning the DSO mode on (off) (CDXM670/M620)

DSO mode of CDX-M670/M620 Memory presets Meaning on off

Virtual speakers Cancel

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (DSO) to select “on” or “off”.

To cancel the DSO mode, select “DSO off.” After 3 seconds, the display returns to the normal playback mo de.

Adjusting the DSO mod e (CDX-M770)

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (MENU). 3 Press M or m repeatedly until “DSO

tune” appears, then press (ENTER).

4 Press < or , to select the desired

DSO mode. then press (ENTER).

5 Select the effect level.

You can select the desired effect from 3 effect lebels fo r each DSO mo de.

Press M or m repeatedly to select desired ef fect.

To cancel the DSO mode, select “off.” After 3 seconds, the display returns to the normal playback mode.

To restore the effect, press (ENTER) for 2 seconds.

6 Press (ENTER).

If the sound from the tweeter is too shrill (CDX-M770)

1 While the unit is operating, pres s

(MENU).

2 Press M or m repeatedly until “DSO

norm” appears.

3 Press , to select “DSO soft.”

4 Press (MENU).

To restore the sound, select “DSO norm.”

Listening to each programme source in its registered DSO

— Source Sound Memory (SS M)

Each time you return to the same source, you can hear the same DSO menu and equalizer curve register ed f or th at s ource, e v en aft er ch ang ing t he programme source or turning the unit off and then on again.

Adjusting the sound characteristics

You can adjust the sound charac t eristics. The bass and treble levels and subwoofer volume can be stored in dependently for e ach source.

1 Select the item you want to adjust by

pressing (SOUND) repeatedly.

Each time you press (SOUND), the item changes as follows:

(CDX-M770) POS (position) t BAL (left-right) t F (front volume) t R (rear volume) t SUB (subwoofer volume)

(CDX-M670/M620) BAS (bass)

t BAL (left-right) t FAD (front-rear) t SUB (subwoofer vo lume)

2 Adjust the selected ite m by pressing

< or ,.

When adjusting with the rotary commander, press (SOUND) and rotate the VOL contro l.

Note

Adjust within 3 seconds after selecting the item.

t TRE (treble)

Selecting the listening position (CDX-M770 only)

You can set a delayed time for the sound to reach the listeners from the speakers. In this way, the unit can simulate a natural sound field s o that you feel as if you are in t h e center of the sound field no matter where you sit in the car.

Display window

POS

ALL POS

Front POS

Front-R POS

Front-L POS

Rear POS

off

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “POS”

appears.

Centre of sound field

Normal setting (1 + 2 + 3)

Front part (1 + 2)

Right front (2)

Left front (1)

Rear part (3)

Cancel

Adjusting the balance (BAL)

Yo u can adjust the sound b alance from the left and right speakers .

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “BAL”

appears.

3 Press < or , to adjust the balance.

After 3 seconds, the display returns to the normal playback mo de.

Adjusting the bass (CDXM670/M620 only)

Yo u can adjust the bass fr om the speakers.

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “BAS”

appears.

3 Press < or , to select the desired

listening position. All y Front y Front-R y

Front-L y Rear y off y All

The listening positi ons appear in the order shown above.

To cancel the POS mode, select “off.” After three seconds, the display returns to the normal playback mode.

3 Press < or , to adjust the balance.

After 3 seconds, the display returns to the normal playback mo de.

Adjusting the treble (CDXM670/M620 only)

Adjusting the front and rear volume (CDX-M770 only)

Yo u can adjust the treble from the speakers.

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “TRE”

appears.

3 Press < or , to adjust the balance.

After 3 seconds, the display returns to the normal playba ck m ode.

Adjusting the balance (FAD) (CDX-M670/M620 only)

Yo u can adjust the sound balance from the fr ont and rear speakers .

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “FAD”

appears.

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly to select

the “F” for the front speakers or “R” for the rear speakers.

3 Press < or , to adjust the volume of

front/rear speakers.

After 3 seconds, the di splay retu rns to the normal playback mode.

Adjusting the cut-off frequency and the output volume level for the front/rear speakers

To match the characteristics of the installed speaker system, you can adjust the outp ut volume level and select the cu t- off fr equency of the speakers.

Cut-off frequency

Level

3 Press < or , to adjust the balance.

After 3 seconds, the display returns to the normal playba ck m ode.

Frequency (Hz)

1 Press (MENU). 2 Press M or m repeatedly to select

“Front HPF” or “Rear HPF.”

3 Press (ENTER).

continue to next page t

4 Press < or , to se l e ct the cut-off

frequency.

Each time you p re ss < or ,, the frequency changes as foll ows:

off y 78 Hz y 99 Hz y 125 H z y 157 Hz y 198 Hz

5 Press M or m to adjust the volume

level.

The volume leve l is adjustable by 1 dB steps from –12 dB to +12 dB.

Tip

When you lower the volume all the way down,

∞ dB” appears and the cut-off frequency is

“–

disabled.

6 Press (ENTER).

After the effect is complete, the display returns to the normal playback mode.

Adjusting the frequency of the subwoofer(s) (CDX-M770 only)

To match the characteristics of th e connected subwoofer(s), you can cut out the unwanted high and middle freq uency signals enterin g th e subwoofer(s). By setting the cut-off frequency (see the diagram below), the subwoofer(s) will output only low frequency signals so you can get a clearer sound image.

Cut-off frequency

Level

Frequency (Hz)

Adjusting the volume of the subwoofer(s)

1 Press (SOURCE) to select a source

(tuner, CD, or MD).

2 Press (SOUND) repeatedly until “SUB”

appears.

3 Press < or , to adjust the volume.

After 3 seconds, the display returns to the normal playback mode.

Tip

When you press < repeatedly to adjust the volume all the way down, “– frequency of the subwoofer is disabled.

∞ dB” appears and the cutout

1 Press (MENU). 2 Press M or m repeatedly until “SUB

LPF” appears.

3 Press (ENTER).

4 Press < or , to select the desired

cut-off frequency.

Each time you press < or ,, the frequency changes as follows:

62 Hz y 78 Hz y 99 Hz y 125 Hz y 157 Hz y off

5 Press M or m to adjust the volume.

The volume level is adjustable by 1 dB steps from –12 dB to +12 dB.

Tip

When you lower the volume all the way down,

∞ dB” appears and the cut-off frequency is

“–

disabled.

6 Press (ENTER).

After the frequency setting is complete, the display returns to the normal playback mode.

Other adjustable items (CDXM670/M620 only)

The following items can be adjusted:

• HPF (High pass filter) — to select the cut-off frequency to “off,” “78 Hz,” or “125 Hz.”

• LPF (Low pass filter) — to select the cut-off frequency to “78 Hz,” “125 Hz,” or “off.”

• Loud (Loudness) — to enjoy bass and treble even at low volumes. The bass and treble will be reinforced.

1 Press (MENU).

To set A.Scrl, press (MENU) during CD/MD playback.

2 Press M or m repeatedly until the

desired item appears.

3 Press , to select the desired setting

(Example: “on” or “off”).

4 Press (ENTER).

After the mode setting is completed, the display returns to norma l play mode.

Note

The displayed item will differ depending on the source.

Tip

Y ou can easily switch among categories by pressing M or m for 2 seconds.

Other Function s

You can also control the un it (and optional CD/ MD units) with a optional rotary commander.

RM-X5S (supplied with CDX-M770 only)

Using the rotary commander

First, attach the appropriate label depending on how you want to mount the rotary commander. The rotary comm ander works by pressing buttons and/or rotating controls.

SOUND

MODE

DSPL

Inserting the supplied lithium battery

MODE

SOUND

DSPL

+ side up

Tip

For information on lithium battery, refer to “Notes on lithium battery” (page 31).

continue to next page t

By pressing buttons

Turn the dial to change the direction of infrared rays. (RM-X5 only)

(ATT)

(SOUND)

(SOURCE)

(MODE)

By pushing in and rotating the control

E C R U O S

PRESET/DISC control

(DSPL)

Rotate the VOL control to adjust the volume.

OFF

(OFF)

Press To

(SOURCE) Change source

(radio/CD/MD*

(MODE) Change operation

(radio band/CD unit/MD* unit/TV band*

/TV*1)

)

(ATT) Attenuate sound (OFF)*

Stop playback or radio reception

(SOUND) Adjust the sound menu (DSPL) Change the display item

*1 Only if the corresponding optional equipment is

connected.

*2 If your car has no ACC (accessory) position on the

ignition key switch, be sure to press (OFF) for 2 seconds to turn off the clock indication after turning off the ignition.

By rotating the control

Push in and rotate the control to:

– Receive preset stations. – Change the disc*.

* When an optional CD/MD unit is connected.

Tip

You need to push in and rotate the control each time you select a preset station and a disc.

Changing the operative direction

The operative direction of controls is factory-se t as shown below.

To increase

To decrease

If you need to moun t t he r otary commander o n the right hand side of th e steering column, you can reverse the operative direction.

Rotate and release to:

– Skip tracks. – Tune in stations automatically.

Rotate, hold, and release to:

– Fast-forward/reverse a track. – Find a station manually.

SEEK/AMS control

Rev Nor

Set the Rev/Nor-select switch to “Rev.”

Quickly attenuating the sound

Selecting the spectrum analyzer

(With the rotary commander or the card remote commander)

Press (ATT) on the rotary commander or card remote commander.

“ATT o n” appears in the display momentarily.

To restore the previous volume level, press (ATT) again.

Tip

When the interface cable of a car telephone is connected to the ATT lead, the unit decreases the volume automatically when a telephone call comes in (Telephone ATT function).

The sound signal level is displayed on a spectrum analyzer. Yo u can select a display for 5 patterns (A-1, A-2, B-1 to B-3), or th e automatic display mode and “off” where all the patterns appear.

1 Press (SOURCE) to select a source

(radio, C D, o r MD).

2 Press (MENU). 3 Press M or m repeatedly until “SA”

appears.

4 Press < or , repeated ly t o sel ect t he

desired setting.

5 Press (ENTER).

Changing the sound and display settings

— Menu

The following items can be set:

Set Up

• Clock (page 9)

• Beep — to turn the beeps on or off.

• Multi language (language selection) — to

change the displa y la nguage to English, French, Spanish.

• P.Out 4.0V/5.5V— to change the pre-out of the power amplifier to 4.0V or 5.5V. Selectable only when the unit is turned off. (CDX-M770 only)

Display

• D.Info (Dual Information) — to display the clock and the play mode at the same time (on). Functions only when SA is not set to B-1 – B- 3.

• SA (Spectrum Analyzer) (page 25) — to change the displa y pattern of the equalizer display.

• M.Dspl (Motion Display) — to turn the Moti on Display mode on or off. – Select “on” to show decoration lines in the

display and ac t ivate Demo display.

– Select “off” to deactivate the Motion Display.

• Dimmer — to change the brightness of the

display. – Select “Auto” to dim the display only when

you turn the lights on.

– Select “on” to dim the display. – Select “off” to deactivate the Dimmer.

• Contrast — to adjust the contrast if the

indications on the dis pl ay are not recognisab le because of the unit’s installation position.

• A.Scrl (Auto Scroll) – Select “on” to scroll all automatically

displayed names exceeding 8 characters.

– When Auto scroll is set to off and the disc/

track name is changed, the disc/track name does not scrol l.

Sound (CDX-M670/M620 only)

• HPF (High pass filter) (page 23)

• LPF (Low pass filter) (page 23)

• Loud (Loudness ) ( page 23)

Play Mode

• Local on/off (Local seek mode) (page 14) – Select “on” to only tune into stations with

stronger signals.

• Mono on/off* (Mo naural mode) (page 14) – Select “on” to hear FM stereo broadcast in

monaural. Select “off” to return to normal mode.

* This function cannot change the TV sound

setting if the optional TV tuner is connected.

• IF Auto/Wide (page 14)

1 Press (MENU).

To set A.Scrl, press (MENU) during CD/MD playback.

2 Press M or m repeatedly until the

desired item appears.

3 Press , to select the desired setting

(Example: “on” or “off”).

4 Press (ENTER).

After the mode setting is completed, the display returns to n ormal play mode.

Note

The displayed item will differ depending on the source.

Tip

Y ou can easily switch among categories by pressing M or m for 2 seconds.

Labeling a Motion Display

Yo u can label a Motion Displa y w ith up to 64 characters to appear when the unit is turned off. Labels will scroll in the display in the M.Dspl 1 mode (the display remains lit even when the power is off).

1 Press (OFF).

CD/MD playback or radio reception stops (the key illumination and display remain on).

2 Press (MENU), then press M or m

repeatedly until “Name Input” appears.

3 Press (ENTER).

4 Enter the characters.

1 Press (DSPL) to select the character

type.

A t a t 0 t A

2 Press M*1 repeatedly to select the

desired character.

A t B t C t ... x t y t z t 0 t 1

t 2 ... t ! t “ t # ... t *

*1 For reverse order, press m. *2 (blank space)

3 Press , aft er lo cat i ng th e desired

character.

If you press <, you can move back to the left.

4 Repeat steps 1 to 3 to enter the

entire sentence.

5 Press (ENTER).

Tips

• Simply overwrite or enter “” to correct or erase a sentence.

• To erase all sentences, press (ENTER) for 2 seconds after step 4-2.

t A

Connecting auxiliary audio equipment (CDX-M770 only)

You can connect auxiliary audio equipment to this unit with the AUX IN connector.

Selecting auxiliary equipment

Press (SOURCE) repeatedly to select “AUX.”

Adjusting the volume level

You can adjust the volume for ea ch connected audio equipment.

1 Press (MENU). 2 Press M or m repeatedly until “AUX

Lebel” appears, then press (ENTER).

3 Press M or m to select the desired

volume level, then press (ENTER).

The volume level is adjustable in 1 dB steps from –6 dB to +6 dB.

4 Press (ENTER).

To deactivate “AUX-A” in the music source display

1 Press (OFF).

CD/MD playback o r ra di o reception stops (the key illumination and display remain on).

2 Press (MENU). 3 Press M or m repeatedly until “AUX-A

on” appears.

4 Press < or , to select “AUX-A off.” 5 Press (MENU).

To restore the indi c ation, select “AUX-A on.”

TV/Video (optional)

You can control an option al TV t uner and TV monitor with this unit.

Notes

• The unit does not assign TV channels with weak signals. If only a few TV channels with strong signals can be received, some number buttons will remain empty.

• When a preset number is indicated on the display, the unit starts assigning TV channels to buttons from the one currently displayed.

Watching the TV

1 Press (SOURCE) repeatedly until “TV”

or “AUX” appears.

2 Press (MODE) repeatedly to select the

desired TV band.

TV1 t TV2 t AUX

Watching a video

1 Press (SOURCE) repeatedly until “TV”

or “AUX” appears.

2 Press (MODE) repeatedly to select

“AUX.”

Play the video.

Storing TV channels automatically

The unit selects the TV channels with the strongest signals and assigns them to number buttons i n order of their fre qu ency.

Caution

If tuning in a station while driving, use “A.Memory” (Automatic Mem ory) to prevent accidents.

Storing only the desired TV channels

Yo u can assign up to 12 channels (6 each for TV1 and TV2) to the number buttons in the order of your choice.

1 Select “TV” (see “Watching the TV” on

page 28).

2 Press either side of (SEEK) to tune in

the TV channel you want to assign to each number button.

3 Press and hold the desired number

button ((1) to (6)) until you hear a small beep.

The number button indication and “MEM” appear in the display.

Note

If you try to assign another channel to the same number button, the previously assigned channel will be erased.

1 Select “TV” (see “Watching the TV” on

page 28).

2 Press (MENU), then press M or m

repeatedly until “A.Memory” appears.

3 Press (ENTER).

The unit assigns TV channels to the number buttons in order of th ei r frequency. A beep sounds when the setting is stored.

Storing the TV channel names

Displaying the information stored on a disc

Follow th e steps in “Storing st at ion names” (page 15).

Displaying the TV or radio station names

Press (LIST) during TV or radio reception.

Example: When receiving the FM1 band

WR K I

S S U

2 3 4 5 6

1 Preset numbers 2 Stored station names 3 Frequencies*

* If the name of a station is not assigned to number

buttons, the frequency of that station will be displayed instead.

To turn off the list display on the TV monitor, press (LIST).

Notes

• It may take a few moments before all indications appear in the display.

• The current TV channel does not appear during list display.

• The contents of preset memory cannot be listed when the unit is in Simultaneous Play mode (page

30).

Press (LIST) during CD/MD playback.

Example: When CD unit 1 is selected

CD 1

*****

? ?

H 6 7

******

1 0

1 Disc numbers 2 Stored titles 3 No disc is loaded* 4 No stored titles* 5 TOC information has not yet been identified*

*1 A blank space displayed next to a disc number

represents an empty slot in the disc magazine.

*2 If a title is not registered, “******” is displayed. *3 If the disc information has not yet been read by the

unit, “?” is displayed.

To turn off the list display on the TV monitor, press (LIST).

Notes

• It may take a few moments before all indications appear in the display.

• The contents of preset memory cannot be listed when the unit is in the Simultaneous Play mode (page 30).

• If the source is an MD, the stored track names will also be displayed.

Watching the TV or video while listening to a CD or MD

— Simultaneous Play

The simultaneous pl ay function does not wor k while you are listening to the radio.

1 Press (MENU), then press M or m

repeatedly until “Simul Sel” appears.

2 Press (ENTER).

3 Press the (–) side of (SEEK).

4 Press (SOURCE) repeatedly to select

“CD” or “MD.”

If you are already watch in g t he TV or video and want to listen to a CD or MD as well, follow the same steps.

Returning to normal mode

To cancel the CD or MD, select “– – –” in step 4.

To cancel the TV or video, se l ect “– – –” in step 6.

Note

If you press (OFF) or Z (eject) on a CD/MD unit while the unit is in Simultaneous Play mode, Simultaneous Play is canceled.

5 Press the (+) side of (SEEK).

6 Press (SOURCE) repe at edl y t o se l ect a

“TV” or “AUX (video ).”

7 Press (ENTER).

Simultaneous Play starts.

Additional Information

Notes

• For safety, turn off the ignition before cleaning the connectors, and remove the key from the ignition switch.

• Never touch the connectors directly with your fingers or with any metal device.

Maintenance

Fuse replacement

When replacing t he fuse, be sure to use on e matching the amperage rating stated on the original fuse. If the fuse blows, check the power connection and replace the fuse. If the fuse blows again after replacement, there may be an internal malfunction. In su ch a case, consult your nearest Sony dealer.

Fuse (10 A)

Warning

Never use a fuse with an amperage rating exceeding the one supplied with the unit as this could damage the u ni t.

Cleaning the connectors

The unit may not function properly if the connectors between the unit and the front panel are not clean. In order to prevent this, detach the front panel (p age 8) and clean the connectors with a cotton swab dipped in alco hol. Do not apply too much force. Otherwise, the connectors may be damaged.

Main unit

Replacing the lithium battery

Under normal conditions, batteries will last approximately 1 year . (The serv ic e lif e may be shorter, depending on the conditions of use.) When the battery becomes weak, the range of the card remote commander becomes shorter. Replace the battery with a new CR2025 lithium battery.

+ side up

Notes on lithium battery

• Keep the lithium battery out of the reach of children. Should th e battery be swallowed, immediately consult a doctor.

• Wipe the battery with a dry cloth to assure a good contact.

• Be sure to observe the correct polarity w hen installing the battery.

• Do not hold the battery with metallic tweezers, otherwise a shor t-circuit may occur.

Back of the front panel

WARNING

Battery may explode if mistreated. Do not recharge, disassemble, or dispose of in fire.

Removing the unit

If the front panel does not open because of a blown fuse

With the front panel open

1 Remove the front cover

1 Press (OPEN /CLOSE ) or (OPEN) of

the unit, then press the clip inside the front cover with a thin screwdriver, and gently pry the front cover free.

2 Repeat step 1 on the left side.

The front cover is removed.

2 Remove the unit

1 Use a thin screwdriver to push in

the clip on the left side of the unit, then pull out the left side of the unit until the catch clears the mounting.

1 Remove the front cover

1Press the clip inside the front cover

with a release key (supplied) , an d pry the front cover free.

Release key (supplied)

Note

To protect the surface of the unit, put thin cloth between release key and the unit by inserting the release key.

2Repeat step 1 on the left side.

The front cover is removed.

2 Remove the unit

1Use a release key to push in the clip

on the left side of the unit, then pull out the left side of the unit until the catch clears the mounting.

2 Repeat step 1 on the right side. 3 Slide the unit out of the mounting.

2Repeat step 1 on the right side. 3Slide the unit out of the mounting.

Specifications

AUDIO POWER SPECIFICATIONS

POWER OUTPUT AND TOTAL HARMONIC DISTORTION

23.2 watts per channel minimum continuous average power into 4 ohms, 4 channels driven from 20 Hz to 20 kHz with no more than 5% total harmonic distortion.

CD Player section

Signal-to-noise ratio 90 dB Frequency response 10 – 20,000 Hz Wow and flutter Below measurable limi t Laser Diode Properties Material GaAlAs Wa ve length 780 nm Emission Duration Continuous Laser output power Less than 44.6 µW*

* This output is the value measured at a distance of

200 mm from the objective lens surface on the Optical Pick-up Block.

Tuner section

Tuning range 87.5 – 107.9 MHz Antenna terminal External antenna connector Intermediate frequency 10.7 MHz/450 kHz Usable sensitivity 8 dBf Selectivity 75 dB at 400 kHz Signal-to-noise ratio 66 dB (stereo),

Harmonic distortion at 1 kHz

Separation 35 dB at 1 kHz Frequency response 30 – 15,000 Hz

72 dB (mono)

0.6 % (stereo),

0.3 % (mono)

Tuning range 530 – 1,710 kHz Antenna terminal External antenna connector Intermediate frequency 10.7 MHz/450 kHz Sensitivity 30 µV

Power amplifier section

Outputs Speaker outputs Speaker impedance 4 – 8 ohms

Maximum power output 52 W × 4 (at 4 ohms)

(sure seal connectors)

General

Outputs Audio outputs (front/rear)

Inputs Telephone ATT control lead

Tone controls (CDX-M670/M620 only)

Loudness (CDX-M670/M620 only)

Power requirements 12 V DC car battery Dimensions Approx. 178 × 50 × 182

Mounting dimensions Approx. 182 × 53 × 160

Mass Approx. 1.5 kg (2 lb. 10 oz.) Supplied accessori e s Parts for installation and

Optional accessories Rotary commander

Optional equipment CD changer (10 discs)

Note

This unit cannot be connected to a digital preamplifier or an equalizer.

Design and specifications are subject to change without notice.

Subwoofer output (mono) Power aerial relay control lead Power amplif ie r contr ol l ead

Illumination control lead BUS control input connector BUS audio input connector Antenna input connector AUX INconnector (CDXM770 only)

Bass ±8 dB at 100 Hz Treble ±8 dB at 10 kHz

+8 dB at 100 Hz +2 dB at 10 kHz

(negative ground) mm

/8 × 2 × 71/4 in.)

(w/h/d) mm

/4 × 21/8 × 63/8 in.)

(w/h/d)

connections (1 set) Front panel case (1) Card remote commander RM-X110 Rotary commander RM-X5S(CDX-M770)

RM-X5S (CDX-M670/ M620) BUS cable (supplied with an RCA pin cord) RC-61 (1 m), RC-62 (2m)

CDX-848X, CDX-646 CD chang er (6 discs) CDX-T68X, CDX-T67 MD chang er (6 discs) MDX-65 Source selector XA-C30

Troubleshooting

The following checklist will help you remedy problems you may encounter with your un it. Before going through the checklist below, check the connect i on and operating procedures.

General

No sound.

• Press the (+) side of (VOL) to adjust the volume.

• Cancel the ATT function.

• Set the fader control to the centre posi tion for

a 2-speaker syste m.

The contents of the memory have been erased.

• The reset button has been pressed.

• Store again into the memory.

• The power cord or battery has been

disconnected.

• The power connecting co rd is not connected properly.

No beep sound.

The beep sound is canceled (page 26).

Indications disappear from/do not appear in the display.

• The clock display disappears if you pres s

(OFF) for 2 seconds.

t Press (OFF) again for 2 seconds t o

display the clock.

• Remove the front panel and c le an the connectors. See “Cleaning the connectors” (page 31) for d e t ails.

Stored stations and correct time are erased. The fuse has blown. Makes noise when the ignition key is in the ON, ACC, or OFF posit ion.

The leads are no t matched correctly wi t h th e car’s accessory power connector.

No power is being supplied to the unit.

• Check the connecti on. If everything is in order, check the fuse.

• The car does not have an ACC position. t Press (SOURCE) (o r insert a disc) to turn

on the unit.

The power is continuously supplied to the unit.

The car does not have an A CC position.

The power antenna does not extend.

The power antenna does not have a relay box.

The rotary commander RM-X5S cannot be operated.

Rotate the dial at the bottom of the rotary commander until it can be operated.

CD/MD playback

A disc cannot be loaded.

• Another CD/M D i s al r eady loaded.

• The CD/MD is forcibly inserted upside do wn

or in the wrong way.

Playback does not begin.

• Dirty or defective disc.

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

• You tried to playback a CD-R not designed

for audio use.

• Some CD-Rs may not play due to its recording equip m ent or the disc condition.

A disc is automatically ejected.

The ambient tempe ra t ur e exceeds 50°C (122°F).

CD will not be ejected. The operation buttons do not function.

Press the reset button.

The sound skips from vi br a t ion.

• The unit is installed at an angle of more than 60°.

• The unit is not instal led in a sturdy part of the car.

The sound skips.

Dirty or defect ive disc.

Cannot turn off the “--------” indication.

You entered the name edit mode. t Press (LIST) for 2 seconds.

Radio reception

Preset tuning is not possible.

• Store the correct frequency in the mem or y.

• The broadcast signal is too weak.

The stations cannot be received. The sound is hampered by noises.

• Connect a power antenna control lead (bl ue) or accessory power supply lead (red) to the power supp ly le ad of a c ar’s antenna booster. (Only when your car has built-in FM/AM antenna in the rear/side glass.)

• Check the connection of the car antenna.

• The auto antenna wi ll not go up.

t Che ck the connection of the power

antenna contro l lead.

• Check the frequ ency.

• When the DSO mode is on, the sound is

sometimes hampered by noises. t Se t t he D SO mode to off (page 18)

(CDX-M770 ), (page 18) (CDX-M 670/ M620).

Automatic tuning is not possible.

• The local seek mode is set to “on.”

t Set the local seek mode to “off” (page

26).

• The broadcast sig nal i s to o w eak. t Perform manual tuning.

The “ST” indication flashes.

• Tune in the frequency accura tely.

• The broadcast sig nal i s to o w eak.

t Set to the monaural reception mode (page

26).

A program broadcast in stereo is heard in monaural.

• The unit is in monaural reception mode.

t Cancel monaural reception mode (page

26).

Interference occurs during FM reception.

The wide mode is selected. t Set the IF mode to “IF Auto” (page 26).

DSP functions (CDX-M770 only)

No sound, or sound is too low.

The volume of the speakers ma y have been automatically lowered in order to maximize the effect of the listenin g position adjustme nt. t Press < or , to adjust the balance. The

speaker balance can be set separately for DSP on mode and DSP off mode (page 20).

Error displays/Messages

Error displays

(For this unit and optional CD/MD changers)

The following indica tions will flash for about 5 seconds, and an al arm sound will be hear d.

Blank*

No tracks have been recorded on an MD*2. t Play an MD with recorded tracks on it.

Error*

• A CD is dirty or inserted upside down*2.

t Clean or insert the CD correctly.

• A CD/MD cannot play because of some problem* t Insert another CD/MD.

High Temp

The ambient temp er at ure is more than 50°C (122°F). t Wait until the temperature goes down

NO Disc

No disc is inserted in the CD/MD unit. t Insert discs in th e C D/MD unit.

NO Mag

The disc magazine is not i nserted in the CD/ MD unit. t Insert the magazine in the CD/MD unit.

Not Ready

The lid of the MD unit is open or the MDs are not inserte d properly. t Cl os e th e l id or insert the MDs prop er l y.

Push Reset

The CD/MD unit ca nnot be operated becau se of some problem. t Press the reset button on the unit.

below 50°C (122°F).

*1 When the CD/MD changer is connected to the unit,

the disc number of the CD or MD appears in the display .

*2 The disc number of the disc causing the error

appears in the display.

If these solution s do not help improve the situation, consul t y our nearest Sony dealer.

Messages

LCL Seek +/–

The Local Seek mode is on during automatic tuning (page 14).

“” or “”

You have reached the beginning or the end of the disc and you ca nnot go any furt her.

Sony CDX-M620, CDX-M670, CDX-M770 Operating Instruction

Specifications and Main Features

Frequently Asked Questions

User Manual