Aiwa CDC-X937 User manual

© 2003 Sony Corporation
Owner’s Record
For your convenience, record the serial number (you will find
them on the bottom side of your set) in the space provided
below. Please refer to them when you contact your AIWA dealer
in case of difficulty.
Model No. CDC-X937 Serial No.
FM/AM Compact Disc Player
AUTOESTEREO PARA DISCO COMPACTO
CDC-X937
POR FAVOR LEA DETALLADAMENTE ESTE MANUAL DE
INSTRUCCIONES ANTES DE CONECTARY OPERAR ESTE
EQUIPO.
RECUERDE QUE UN MAL USO DE SU APARATO PODRÍA
ANULAR LA GARANTÍA.
3-253-037-11(1)

1 ENGLISH
PRECAUTIONS
•Use only in a 12-volt DC negative-ground electrical
system.
•Disconnect the vehicle’s negative battery terminal
while mounting and connecting the unit.
•
When replacing the fuse, be sure to use one with an
identical amperage rating. Using a fuse with a higher
amperage rating may cause serious damage to the unit.
•DoNOTattempttodisassembletheunit.Laserbeams
from the optical pickup are dangerous to the eyes.
•Makesure thatpins or otherforeign objectsdo notget
insidetheunit;theymaycausemalfunctions,orcreate
safetyhazards suchas electricalshock orlaser-beam
exposure.
•When your vehicle has been parked in direct sunlight
resulting in a considerable rise in the temperature
inside, allow the unit to cool off before operating it.
•Keep the volume at a level at which you can hear
outside warning sounds (horns, sirens, etc.).
NOTE
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
interferencetoradiocommunications.However,thereis
noguaranteethatinterferencewillnotoccurinaparticular
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 circuit
different from that to which the receiver is connected.
–Consult the dealer or an experienced radio/TV
technician for help.
Caution
The use of optical instruments with this product will
increase eye hazard.
1 ENGLISH 1 ENGLISH
CAUTION
Modificationsoradjustmentsto this productthatare not
expressly approved by the manufacturer may void the
user’s right or authority to operate this product.
In addition to ordinary CDs, CD-Rs or CD-RWs can
bereadbythisunit.However,NEVERuse a CD-R or
CD-RW that contains no data or data in the wrong
format, such as MP3 or other computer files.
Forinstallationandconnections,refertotheseparate
“INSTALLATION AND CONNECTIONS”.
CD Notes
•Playing a defective or dusty CD can
cause dropouts in sound.
•Hold CDs as illustrated.
•Do NOT touch the unlabeled side.
•Do NOT attach any seal, label or
data protection sheet to either side of a disc.
•Do NOT expose a CD to direct sunlight or excessive
heat.
•WipeadirtyCDfromthecenteroutwardwithacleaning
cloth.
Never use solvents such as benzine or alcohol.
• This unit cannot play 3-inch (8 cm) CDs.
•NEVERinsert a3-inch CD containedin the adapteror
any irregularly shaped CD.
The unit may not be able to eject it, resulting in a
malfunction.

ENGLISH 2
THEFT PROTECTION
(Retractable Front Panel)
When your car’s ignition switch is turned off, the front
panel will be retracted automatically as if there were no
car audio in the console.
When the ignition switch is set to the ACC or ON
position, the front panel will appear automatically.
Note
Do not touch and put excessive pressure on the front
panel while it is rotating.
Youcanalsodetachtheupperpartofthepanelwhilethe
front panel appears.
Take the front panel with you when leaving the car, and
keep it in the supplied carrying case.
Detaching the front panel
Before detaching the front panel, remove the CD to
prevent possible damage to the unit.
1Press zto remove the CD.
2Press the panel upward to close it.
3Press and hold PWR/ATT until the unit turns off.
4Press RELEASE. (Hold the panel with one hand to
prevent accidentally dropping it.)
5Remove the panel.
PWR/ATT
RELEASE
ENGLISH 2 ENGLISH 2
TABLE OF CONTENTS
THEFT PROTECTION .............................................. 2
BASIC OPERATION, AUDIO AND CLOCK
ADJUSTMENT ..................................................... 3
RADIO OPERATION ................................................. 4
CD PLAYER OPERATION ........................................ 5
AUXILIARY EQUIPMENT ......................................... 6
OTHER FUNCTIONS................................................ 7
CARD REMOTE CONTROL ..................................... 7
TROUBLESHOOTING .............................................. 8
MAINTENANCE ........................................................ 8
SPECIFICATIONS .................................................... 9
Note
Some buttons are assigned two or more functions.
For detailed descriptions, refer to the related pages.
Resetting the unit
Before operating the unit for the first time or after
replacing the car battery, you must reset the unit.
Press the reset button with a pointed object such as a
pencil.
Reset button
Note
Pressing the reset button will erase the clock and some
memorized functions.
DEMO (Demonstration) mode
The unit has an extra display (DEMO) mode which
demonstrates the illumination modes of the unit. The
unit switches to DEMO mode automatically if you turn
the unit on and leave it as it is for 5 seconds after all the
connections have been completed.
To cancel DEMO mode
1Press and hold SRC (SOURCE) until “CONT.”
appears on the display.
2Press tor runtil “DEMO.” appears on the
display.
3Press +or -to select “OFF”.
To resume DEMO mode, select “ON” in step 3.
(See the illustration on page 3.)

Attaching the front panel
If the ignition switch is turned off while the upper part of
the panel is being detached, the lower part of the panel
will be retracted automatically.
IftheignitionswitchissettotheACCorONposition,the
lower part of the panel will appear automatically. Then
attach the upper part of the panel.
1Set the ignition switch to the ACC or ON position so
that the lower part of the panel appears.
2Engagetheleftsideofthefrontpaneltotheleftcatch
on the unit.
3Push the panel forward until it locks. Be sure not to
pressanybuttonswhileyouare attachingthepanel.
Note
Do not touch the connectors on the bottom of the upper
panel and the top of the lower panel. This could cause
a poor or faulty connection.
BASIC OPERATION,
AUDIO AND CLOCK
ADJUSTMENT
EJECTzSRC(SOURCE)PWR/ATT
+/–/
r / t
D(DSPL)
TU(TUNER)
S(SEL)
Turning the unit on/off
•You can turn the unit on by pressing PWR/ATT, +/-
/r/tandSRC(SOURCE).Theunitalsoturnson
when you press zand insert a CD.
•Press and hold PWR/ATT until the unit turns off.
Note
Mostoperationsdescribedinthismanualrequirethe
unit to be turned on before starting the operation,
unless explicitly stated otherwise.
Changing the source mode
1Press SRC (SOURCE).
Pressing SRC (SOURCE) cycles through source
modes in the following order:
*“DISC” does not appear on the display when there is
no CD in the unit.
Adjusting the volume
1Press +or -.
VOL (volume) indication appears.
Muting the sound
1Press PWR/ATT briefly.
“ATT ON” appears on the display.
To restore volume, briefly press PWR/ATT again.
Adjusting sound
You can select the following modes for adjusting sound
depending on the music you listen to: BASS (low
frequencies), TRE (high frequencies), BAL (left/right),
FAD (front/rear), H-BASS (high bass)*, DSSA (Drivers
Sound Stage Adjustment)** and BBE***.
* You can reinforce the bass sound.
** Youcanadjustsoundstageandtonebalancetobest
serve a particular seat in the car.
*** Youcanenhancetheclarityofhigh-frequencysound.
1Press S (SEL) repeatedly to select the mode to be
adjusted.
Pressing S (SEL) cycles through the modes. The
selected mode appears on the display.
2Press +or -to increase or decrease the level for
the selected mode (except for H-BASS, DSSA and
BBE).
In H-BASS mode, press+or -to select1, 2,3, or
OFF.
In DSSA mode, press +or -to select L (for the
front left seat), R (for the front right seat), or OFF.
In BBE mode, press +or -to select 1, 2, or OFF.
Notes
•Adjust the level or select an item within 5 seconds, or
the selected mode will return to previous state.
•When DSSA is activated, you cannot adjust BAL and
FAD.
3 ENGLISH 3 ENGLISH

Aligning the source levels
(Source Level Adjuster)
Volume may vary each time you change the source
mode. In this case, you can align each source mode’s
volume to almost the same level.
1Press SRC (SOURCE) repeatedly to select the
desired mode.
2Press D (DSPL) while pressing S (SEL).
“LEVEL 0” appears on the display.
3Press +or -to adjust the level.
Note
Adjustthe levelwithin 5 seconds,or this functionwill be
canceled.
Restoring the factory settings
1Turn off the unit.
2Press and hold D (DSPL) until “LEVEL --” appears
on the display.
Note
YoucanrestorethefactorysettingsonlyforVOL,BASS,
TRE, BAL, FAD, H-BASS, DSSA and BBE as well as
aligned source volume levels.
Setting the beep tone
1Turn off the unit.
2PressandholdS(SEL) until“BEEP”appearson the
display.
3Press +or -to select “ON” or “OFF”.
4Press S (SEL).
The unit turns off.
Setting the clock
1PressandholdD(DSPL)untiltheclockindicator
flashes on the display.
2Press r(to set hour) or t(to set minute)
and press +or -.
3Press D (DSPL).
Displaying the clock
1Press D (DSPL).
To return to the former display, press D (DSPL)
again.
RADIO OPERATION
Tuning in to a station
(Seek/Manual Tuning)
r / t
TU(TUNER) ST LO
Frequency indication
1Press TU (TUNER) repeatedly to select the desired
band ( , , , or ).
2Press t(to move to higher frequencies) or r
(tomovetolowerfrequencies)totuneintoastation.
“ST” appears on the display when an FM station is
broadcastingin stereo, andreceivingconditionsare
good.
Seek Tuning and Manual Tuning
•Press and hold tor runtil Seek Tuning
starts.
The unit locates a station automatically (Seek
Tuning).
To stop Seek Tuning, press tor ragain.
• Press tor rrepeatedly to search for a
desired station while increasing or decreasing the
frequency step by step (Manual Tuning).
Monaural mode
When FM signals become weak, or FM reception
becomes poor, the unit automatically switches to
Monaural mode to reduce noise.
Note
When stereo sound is received, you can also press ST
and select “MONO” to listen in monaural mode.
To resume stereo sound receiving, press ST to “AUTO
ST”.
Local mode
Local mode allows you to tune in only to strong stations
during Seek Tuning.
1Press LO before you start seek tuning.
“LO” appears on the display.
To return to Distant mode, press LO again.
“LO” disappears and the unit tunes in to all receivable
stations.
ENGLISH 4 ENGLISH 4
Band indication Stereo indicator
Tuner indicator
Local indicator

Tuning in to a preset station
1Press TU (TUNER) repeatedly to select the desired
band ( , , , or ).
2Pressthepreset station button on which the desired
station is stored.
Active tuning reception control (ATRC)
The unit automatically suppresses FM noise caused by
vehicle movement, and maintains sound quality.
CD PLAYER OPERATION
Playing a CD
You can play CDs, CD-Rs and CD-RWs using the
procedure described below.
SRC(SOURCE) r / t EJECTz
INT REP1 SHUF
1Press zto open the front panel.
2Insert a CD.
The front panel will be closed automatically and
“DISC” appears on the display.
CD play starts.
If a CD is already inserted, press SRC (SOURCE)
repeatedly to select CD play mode.
In normal play, when the last track finishes, the unit
returns to the first track and continues to play.
Labeled-side up
CD indicator Elapsed playing time
Track number
Using preset stations
You must preset stations before you can tune in to a
station using preset station number buttons.
SRC(SOURCE) r / t
PS/A.ME
TU(TUNER)
Presetting stations automatically
(Auto Memory)
1Press TU (TUNER) repeatedly to select the desired
band ( , , , or ).
2Press and hold PS/A.ME until automatic presetting
starts. “A MEM” appears on the display.
The unit automatically stores up to 6 stations for
each band.
After completion of automatic presetting, the unit
tunes in to all the stations stored on the preset
station buttons in order (Preset Scan).
Tocancelautomaticpresetting,pressPS/A.MEagain.
Checking the preset stations (Preset Scan)
1Press PS/A.ME briefly.
Each preset station will be tuned in for 5 seconds in
order.
To cancel Preset Scan, press PS/A.ME again or any
preset station button.
Presetting stations manually
(Manual Memory)
1Press TU (TUNER) repeatedly to select the desired
band ( , , , or ).
2Presstorrtotuneintoadesiredstation(see
“Tuning in to a station,” page 4).
3Pressandholdthedesiredpresetstationbuttonuntil
the unit beeps.
Note
Anewly presetstationreplaces thestationon thesame
band that was previously stored on that preset station
button.
5 ENGLISH
Preset station number
Preset station
buttons 1 – 6

*When you remove the CD, the front panel will be
closed automatically after a while.
To close the front panel manually, press the panel
upward.
Notes
•When you play a CD that is already inserted, CD play
starts at the point where it stopped the previous time.
A newly inserted CD starts from the first track.
•ACD-RorCD-RWmaytakesometimetostartplaying
back, but this is not a malfunction.
•If a CD-R or CD-RW with no data is inserted,
“ERROR03”willappearonthedisplay.(Seethesection
“TROUBLESHOOTING”.) The unit cannot play such
discs.
Intro Play
Youcan locate adesired track bymonitoring thefirst 10
seconds of all the tracks on a CD.
1Press INT during CD play.
“INTRO” appears on the display.
2Press INT again when the desired track is played.
The unit returns to normal CD play.
One Track Repeat Play
You can play a track repeatedly.
1Press REP1 during CD play.
“REP1” appears on the display.
TocancelOneTrackRepeatPlay,pressREP1again.
Shuffle Play
You can play all the tracks in random order.
1Press SHUF during CD play.
“SHUF” appears on the display.
To cancel Shuffle Play, press SHUF again.
Note
During Shuffle Play, pressing rallows you to skip
only to the beginning of the current track, not to the
previous track.
ENGLISH 6
To
Eject a CD
Skip to the next track
Go back to the beginning
of the current track
Each extra press skips
backward one extra track
Locate a specific point in
a track
Press
z*
t
r
Press and hold ror
tuntil you find the
point.
AUXILIARY EQUIPMENT
Listening to a cassette/MD/MP3
portable player or other equipment
Youcanlistentomusicthroughequipmentconnectedto
the unit. Refer to the operating instructions for the
correspondingequipmentformoredetailedinformation.
Be sure to remove any loaded CD to prevent possible
damage to the unit before connecting the equipment.
SRC(SOURCE)
AUX IN jack
1Connectacassette/MD/MP3portableplayerorother
equipment via the unit’s AUX IN jack (3.5 mm dia.).
2Press SRC (SOURCE) repeatedly until “AUX IN”
appears on the display.
Note
WhenaconnectingcordispluggedintotheAUXINjack,
you cannot insert or eject a CD even if you press z. Be
sure to disconnect the cord before inserting or ejecting
the CD. Likewise, be sure to disconnect it before you
turn off the ignition switch, otherwise the front panel
won’t be retracted.

7 ENGLISH
OTHER FUNCTIONS
SRC(SOURCE)
+/–/
r / t
PSS(SEL)
Changing the display contrast
1Press and hold SRC (SOURCE) until “CONT.”
appears on the display.
2Press +or -to adjust the contrast.
Changing the key illumination color
Youcanchooseblueorredasthekeyilluminationcolor.
1Press and hold SRC (SOURCE) until “CONT.”
appears on the display.
2Presstorruntil“ILL”appearsonthedisplay.
3Press +or -to select “1 (for blue)” or “2 (for red)”.
Setting the dimmer of the display
1Pressand hold S (SEL) until“DIMMER” appearson
the display.
2Press +or -to select “0 (bright)” or “1 (dimmed)”.
Displaying the VU level indicator
1Turn off the unit.
2Pressandhold PS until “VU”appears in thedisplay.
3Press +or -to select “ON” or “OFF”.
4Press PS.
CARD REMOTE
CONTROL
Names of parts
1TUNER button
2CD button
3rAMS (Auto music sensor) button
4tAMS (Auto music sensor) button
5PS (preset) button
6TUNING UP/DOWN buttons
7VOLUME +/-buttons
Preparations
A lithium battery is installed in the remote control at the
factory.
Before you use the remote control, be sure to remove
the insulating sheet by simply pulling it out.
Remote control (back)
Insulating sheet

ENGLISH 8
Replacing the battery
1Insert the tip of a pointed object Ainto the hole B
and pull out the battery holder to remove the lithium
battery (CR2025).
Remote control (back)
Battery holder
2Install a new lithium battery (CR2025) with the )
side facing up in the battery holder.
3Push the battery holder into the unit until it clicks.
Note
When the infrared receptor on the main unit is exposed
to direct sunlight, it may not respond to signals from the
remote control.
CAUTIONS
•Lithium battery (CR2025) for the remote control
Replace the battery with Hitachi Maxell, Panasonic or
Sony Part No. CR2025 only. Use of another battery
may present a risk of fire or explosion.
Thebatterymayexplodeifmistreated.Donotrecharge,
disassemble or dispose of in fire.
•Keep the lithium battery out of the reach of children. If
swallowed, consult a doctor immediately.
•To prevent a short circuit, never pinch the battery with
pliers, etc.
TROUBLESHOOTING
Error code
In the following cases the corresponding error code
indication appears. Follow the suggestions below to
solve such problems.
ERROR03 Focus error. Check that the CD is loaded
properly (right side up, etc.), and the CD
contains valid data.
Reset button
IfaCDdoesnotoperateproperly,presstheresetbutton
with a pointed object such as a pencil, etc. Note that all
your settings will be erased if this button is pressed.
Reset button
MAINTENANCE
Cleaning the front panel
Wipe the surface with a soft, dry cloth. Do not use liquid
cleaners or aerosol cleaners.
Cleaning the connectors
The connectors need to be cleaned occasionally. Wipe
thesurface of the connectors with a cotton swabslightly
moistened with alcohol.
Bottom of the upper panel
Top of the lower panel

9 ENGLISH
SPECIFICATIONS
RADIO SECTION
(FM)
Frequency Range: 87.5 MHz – 108 MHz
Usable Sensitivity: 12.7 dBf
50 dB Quieting Sensitivity: 17.2 dBf
IF Rejection: 100 dB
Frequency Response: 30 Hz – 15,000 Hz
S/N Ratio: 70 dB
Stereo Separation: 35 dB at 1 kHz
Alternate Channel Selectivity: 98 dB
Capture Ratio: 3 dB
(AM)
Frequency Range: 530 kHz – 1,710 kHz
Usable Sensitivity: 30 µV (30 dB)
CD SECTION
Frequency Response: 17 Hz – 20 kHz +0/–3 dB
Dynamic Range: More than 92 dB
Channel Separation: More than 60 dB
S/N Ratio: More than 90 dB
Wow/Flutter: Unmeasurable
AUDIO SECTION
Max. Power Output: 45 W ×4 channels
AUX IN input
Input sensitivity (load impedance) AUX IN: 300 mV
(10 kΩ)
GENERAL
Power-Supply Voltage: 14.4 V (11 to 16 V
allowable), DC, negative ground
Load Impedance: 4 Ω
Tone Control: Bass ± 10 dB at 100 Hz, Treble ±
10 dB at 10 kHz
Preamp Output Voltage (load impedance): 2.2 V
(10 kΩ)
Installed size: 182 (W) ×53 (H) ×155 (D) mm
(7 1/4(W) ×2 1/8(H) ×6 1/8(D) inches)
Supplied Accessory: Carrying case (1)
CARD REMOTE CONTROL
Dimensions: Approx. 33 (W) ×85 (H) ×7.5 (D) mm
(1 5/16 (W) ×3 3/8(H) ×5/16 (D) inches)
Weight: Approx. 20 g (0.7 oz.) (including battery)
•Specificationsandexternalappearance are subjectto
change without notice due to product improvement.
The word “BBE” and the “BBE symbol” are trademarks
of BBE Sound,Inc.
Under licence from BBE Sound,Inc.