© 2003 Sony Corporation
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
FM/AM Compact Disc Player
AUTOESTEREO PARA DISCO COMPACTO
POR FAVOR LEA DETALLADAMENTE ESTE MANUAL DE
INSTRUCCIONES ANTES DE CONECTAR Y OPERAR ESTE
RECUERDE QUE UN MAL USO DE SU APARATO PODRÍA
ANULAR LA GARANTÍA.
· Use only in a 12-volt DC negative-ground electrical
· 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.
· Do NOT attempt to disassemble the unit. Laser beams
from the optical pickup are dangerous to the eyes.
· Make sure that pins or other foreign objects do not get
inside the unit; they may cause malfunctions, or create
safety hazards such as electrical shock or laser-beam
· 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.).
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
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.
The use of optical instruments with this product will
increase eye hazard.
Modifications or adjustments to this product that are 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
be read by this unit. However, NEVER use a CD-R or
CD-RW that contains no data or data in the wrong
format, such as MP3 or other computer files.
For installation and connections, refer to the separate
"INSTALLATION AND CONNECTIONS".
· 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
· Wipe a dirty CD from the center outward with a cleaning
Never use solvents such as benzine or alcohol.
· This unit cannot play 3-inch (8 cm) CDs.
· NEVER insert a 3-inch CD contained in the adapter or
any irregularly shaped CD.
The unit may not be able to eject it, resulting in a
(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.
Do not touch and put excessive pressure on the front
panel while it is rotating.
You can also detach the upper part of the panel while the
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.
1 Press z to remove the CD.
2 Press the panel upward to close it.
3 Press and hold PWR/ATT until the unit turns off.
4 Press RELEASE. (Hold the panel with one hand to
prevent accidentally dropping it.)
5 Remove the panel.
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
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
Pressing the reset button will erase the clock and some
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
1 Press and hold SRC (SOURCE) until "CONT."
appears on the display.
2 Press t or r until "DEMO." appears on the
3 Press + 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.
If the ignition switch is set to the ACC or ON position, the
lower part of the panel will appear automatically. Then
attach the upper part of the panel.
1 Set the ignition switch to the ACC or ON position so
that the lower part of the panel appears.
2 Engage the left side of the front panel to the left catch
on the unit.
3 Push the panel forward until it locks. Be sure not to
press any buttons while you are attaching the panel.
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.
AUDIO AND CLOCK
Turning the unit on/off
· You can turn the unit on by pressing PWR/ATT,
r/t and SRC (SOURCE). The unit also turns on
when you press
z and insert a CD.
· Press and hold PWR/ATT until the unit turns off.
Most operations described in this manual require the
unit to be turned on before starting the operation,
unless explicitly stated otherwise.
Changing the source mode
1 Press 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
1 Press + or -.
VOL (volume) indication appears.
Muting the sound
1 Press PWR/ATT briefly.
"ATT ON" appears on the display.
To restore volume, briefly press PWR/ATT again.
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.
** You can adjust sound stage and tone balance to best
serve a particular seat in the car.
*** You can enhance the clarity of high-frequency sound.
1 Press S (SEL) repeatedly to select the mode to be
Pressing S (SEL) cycles through the modes. The
selected mode appears on the display.
2 Press + or - to increase or decrease the level for
the selected mode (except for H-BASS, DSSA and
In H-BASS mode, press
+ or - to select 1, 2, 3, or
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.
· 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
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.
1 Press SRC (SOURCE) repeatedly to select the
2 Press D (DSPL) while pressing S (SEL).
"LEVEL 0" appears on the display.
3 Press + or - to adjust the level.
Adjust the level within 5 seconds, or this function will be
Restoring the factory settings
1 Turn off the unit.
2 Press and hold D (DSPL) until "LEVEL --" appears
on the display.
You can restore the factory settings only for VOL, BASS,
TRE, BAL, FAD, H-BASS, DSSA and BBE as well as
aligned source volume levels.
Setting the beep tone
1 Turn off the unit.
2 Press and hold S (SEL) until "BEEP" appears on the
3 Press + or - to select "ON" or "OFF".
4 Press S (SEL).
The unit turns off.
Setting the clock
1 Press and hold D (DSPL) until the clock indicator
flashes on the display.
2 Press r (to set hour) or t (to set minute)
+ or -.
3 Press D (DSPL).
Displaying the clock
1 Press D (DSPL).
To return to the former display, press D (DSPL)
Tuning in to a station
1 Press TU (TUNER) repeatedly to select the desired
2 Press t (to move to higher frequencies) or r
(to move to lower frequencies) to tune in to a station.
"ST" appears on the display when an FM station is
broadcasting in stereo, and receiving conditions are
Seek Tuning and Manual Tuning
· Press and hold
t or r until Seek Tuning
The unit locates a station automatically (Seek
To stop Seek Tuning, press
t or r again.
t or r repeatedly to search for a
desired station while increasing or decreasing the
frequency step by step (Manual Tuning).
When FM signals become weak, or FM reception
becomes poor, the unit automatically switches to
Monaural mode to reduce noise.
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
Local mode allows you to tune in only to strong stations
during Seek Tuning.
1 Press 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