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Operating Instructions
© 2000 Sony Corporation
US
FM/AM
Compact Disc
Player
CDX-4000X
CDX-4005
For installation and connections, see the supplied installation/connections manual.
Owner's Record
The model and serial numbers are located on the bottom of the unit.
Record these numbers in the space provided below.
Refer to these numbers whenever you call upon your Sony dealer regarding this
product.
Model No.
Serial No.
3-043-292-12 (1)


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Warning
This equipment has been tested and found to
comply with the limits for a Class B digital
device, pursuant to Part 15 of the FCC Rules.
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
and 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 reception, which can be determined
by turning the equipment off and on, the user
is encouraged to try to correct the interference
by one or more of the following measures:
-- Reorient or relocate the receiving antenna.
-- Increase the separation between the
equipment and receiver.
-- Connect the equipment into an outlet on a
circuit different from that 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
this equipment.
CAUTION
The use of optical instruments with this
product will increase eye hazard.
Welcome !
Thank you for purchasing the Sony Compact
Disc Player. This unit lets you enjoy a variety
of features using the following controller
accessory:
Optional accessory
Rotary commander RM-X4S
Precautions
CLASS
PRODUCT
LASER
1
This label is located on the bottom of the
chassis (CDX-4005 only).
CAUTION
INVISIBLE
DO NOT STARE INTO BEAM OR
VIEW DIRECTLY WITH OPTICAL INSTRUMENTS
LASER RADIATION WHEN OPEN
This label is located on the drive unit's internal
chassis (CDX-4005 only).
· If your car was parked in direct sunlight
resulting in a considerable rise in
temperature inside the car, allow the unit to
cool off before operating it.
· If no power is being supplied to the unit,
check the connections first. If everything is in
order, check the fuse.
·If your car is equipped with a power
antenna, it will extend automatically while
the unit is operating.
If you have any questions or problems
concerning your unit that are not covered in
this manual, please consult your nearest Sony
dealer.
Moisture Condensation
On a rainy day or in a very damp area,
moisture may condense on the lenses inside
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 quality sound
If you have drink holders near your audio
equipment, be careful not to splash juice or
other soft drinks onto the unit and CD. Sugary
residues on the unit or CD may contaminate
the lenses inside the unit, reduce the sound
quality, or prevent sound reproduction
altogether.


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Notes on CDs
A dirty or defective disc may cause sound
dropouts while playing. To enjoy optimum
sound, handle the disc as follows.
Handle the disc by its edge. To keep the disc
clean, do not touch the surface.
Do not stick paper or tape on the disc.
Do not expose the discs to direct sunlight or
heat sources such as hot air-ducts, or leave
them in a car parked in direct sunlight where
there can be a considerable rise in temperature
inside the car.
Before playing, clean the discs with an optional
cleaning cloth. Wipe each disc from the center
out.
Do not use solvents such as benzine, thinner,
commercially available cleaners, or antistatic
spray intended for analog discs.
Notes on discs
If you use the discs explained below, the sticky
residue can cause the CD to stop spinning and
may cause malfunction or ruin your discs.
Do not use second-hand or rental CDs that
have a sticky residue on the surface (for
example, from peeled-off stickers or from ink,
or glue leaking from under the stickers).
There are paste residue.
Ink is sticky.
Do not use rental CDs with old labels that are
beginning to peel off.
Stickers that are beginning
to peel away, leaving a
sticky residue.
Do not use your CDs with labels or stickers
attached.
Labels are attached.
Notes on CD-R discs
· You can play CD-Rs (recordable CDs) on this
unit. However depending on the conditions
of the recording equipment or the CD-R disc
itself, some CD-Rs cannot be played on this
unit.
· You cannot play a CD-R that is not finalized
(Finalization is necessary for a recorded CD-
R disc to be played on the audio CD player).
· You cannot play CD-RWs (rewritable CDs)
on this player.
When you play 8 cm (3 in.) CDs
Use the optional Sony compact disc single
adaptor (CSA-8) to protect the CD player from
damage.


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Table of Contents
Location of controls ............................................. 5
Getting Started
Resetting the unit ................................................. 6
Detaching the front panel ................................... 6
Turning the unit on/off ....................................... 7
How to use the menu .......................................... 7
Setting the clock ................................................... 7
CD Player
Listening to a CD ................................................. 8
Playing a CD in various modes ....................... 10
Radio
Memorizing stations automatically
-- Best Tuning Memory (BTM) ................... 10
Memorizing only the desired stations ............ 11
Receiving the memorized stations ................... 11
Storing the station names
-- Station Memo ........................................... 12
Other Functions
Labeling the rotary commander ...................... 13
Using the rotary commander ........................... 14
Adjusting the sound characteristics ................ 15
Attenuating the sound ...................................... 15
Changing the sound and display settings ...... 16
Boosting the bass sound
-- D-bass ........................................................ 16
Additional Information
Maintenance ........................................................ 17
Dismounting the unit ........................................ 18
Specifications ...................................................... 19
Troubleshooting guide ...................................... 20


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Location of controls
1 Volume control dial
2 MENU button 7, 9, 10, 11, 12, 13, 16
3 Z (eject) button (located on the front
side of the unit behind the front panel)
8
4 DISC/PRST +/­ (cursor up/down) buttons
7, 9, 10, 11, 12, 13, 16
During radio reception:
Preset stations select 11
5 DSPL (display mode change) button
8, 9, 13
6 MODE button
During radio reception:
BAND select 10
7 SOURCE (TUNER/CD) button
7, 8, 9, 10, 11
8 Display window
9 OPEN button 6, 8, 17
q; D-BASS button 16
qa SOUND button 15
qs Reset button (located on the front side
of the unit behind the front panel) 6
CDX-4000X/4005
MODE
DSPL
OFF
ENTER
MENU
SOUND
1
2
3
4
56
-SEEK/AMS
REP
SHUF
OPEN
D-BASS
SOURCE
PRST +
PRST ­
qd OFF button*1 6, 7, 8
qf SEEK/AMS ­/+ (cursor left/right) buttons
7, 9, 11, 12, 15, 16
Automatic Music Sensor 9
Manual Search 9
Seek 11
qg Frequency select switch (located on the
bottom of the unit)*2
The AM (FM) tuning interval is factory-set
to the 10 k (200 k) position. Make sure that
the 9 k (50 k) position is selected.
qh ENTER button 7, 9, 10, 11, 12, 13, 16
qj Number buttons
During radio reception:
Preset number select 11
During CD playback:
(1) REP 10
(2) SHUF 10
*1
Warning when installing in a car
without ACC (accessory) position on
the ignition key switch
Be sure to press (OFF) on the unit for
two seconds to turn off the clock display
after turning off the engine.
When you press (OFF) momentarily, the
clock display does not turn off and this
causes battery wear.
*2 CDX-4005 only
Refer to the pages listed for details.