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Operating Instructions
© 1999 by Sony Corporation
US
FM/AM Cassette
Car Stereo
XR-C5120
XR-4890
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 the serial number in the space provided below.
Refer to these numbers whenever you call upon your Sony dealer regarding this
product.
Model No. XR-C5120/4890 Serial No.
3-865-814-11(1)


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Welcome !
Thank you for purchasing this Sony Cassette
Player. This unit lets you enjoy a variety of
features as well as an optional rotary
commander.
In addition to the cassette playback and radio
operations, you can expand your system by
connecting an optional CD/MD unit*.
* You can connect a CD changer, an MD changer, a
CD player, or an MD player
(XR-C5120 only).
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.


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Table of Contents
This Unit Only
With Optional Equipment
Location of controls ............................................ 4
Getting Started
Resetting the unit ................................................ 5
Detaching the front panel .................................. 5
Setting the clock .................................................. 6
Cassette Player
Listening to a tape ............................................... 7
Playing a tape in various modes ....................... 8
Radio
Memorizing stations automatically
-- Best Tuning Memory (BTM) .................... 8
Memorizing only the desired stations ............. 9
Receiving the memorized stations .................... 9
Other Functions
Labeling the rotary commander ..................... 10
Using the rotary commander .......................... 10
Adjusting the sound characteristics ............... 12
Attenuating the sound ..................................... 12
Changing the sound and display settings ..... 12
Boosting the bass sound
-- D-bass ....................................................... 13
CD/MD Unit (XR-C5120 only)
Playing a CD or MD ......................................... 13
Playing tracks repeatedly
-- Repeat Play .............................................. 15
Playing tracks in random order
-- Shuffle Play .............................................. 15
Additional Information
Precautions ......................................................... 15
Maintenance ....................................................... 16
Dismounting the unit ....................................... 17
Specifications ..................................................... 18
Troubleshooting guide ..................................... 19


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Location of controls
Refer to the pages listed for details.
1 SEEK/AMS (seek/Automatic Music
Sensor/manual search) control
7, 9, 14
2 MODE (*) button
During tape playback:
Playback direction change 7
During radio reception:
BAND select 8, 9
During CD or MD playback*:
CD/MD Unit select 13
3 SOURCE (TAPE/TUNER/CD*/MD*) button
7, 8, 9, 13
4 Dial (volume/bass/treble/left-right/
rear-front control) 6, 12
5 SOUND button 12
6 Display window
7 DSPL (display mode change) button
7, 9, 13, 14
8 6 (eject) button 7
9 XR-C5120:
PRESET/DISC button
XR-4890:
PRST button
During radio reception:
Preset stations select 9
During CD/MD playback*:
Disc change 14
0 RELEASE (front panel release) button
5, 17
!¡ Reset button (located on the front side
of the unit behind the front panel) 5
!TM OFF button 5, 7
!£ SHIFT button
PLAY MODE 8, 9, 15
SET UP 6, 12, 14
!¢ POWER SELECT switch (located on the
bottom of the unit)
See "POWER SELECT switch" in the
Installation/Connections manual.
!
Number buttons 9
!§ D-BASS control 13
* XR-C5120 only
D-BASS
DISC
PRESET
6
OFF
1
2
3
SOURCE
MODE
SEEK / AMS
RELEASE
SOUND
OFF
SHIFT
SET UP
PLAY MODE
56
4
3
2
1
DSPL
+
­
XR-C5120


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Attaching the front panel
Attach part a of the front panel to part b of
the unit as illustrated and push the left side
into position until it clicks.
Notes
· Be sure not to attach the front panel upside
down.
· Do not press the front panel too hard against the
unit when attaching it.
· Do not press too hard or put excessive pressure
on the display window of the front panel.
· Do not expose the front panel to direct sunlight
or heat sources such as hot air ducts, and do not
leave it in a humid place. Never leave it on the
dashboard of a car parked in direct sunlight or
where there may be a considerable rise in
temperature.
Caution alarm
If you turn the ignition key switch to the OFF
position without removing the front panel, the
caution alarm will beep for a few seconds
(only when the POWER SELECT switch on the
bottom of the unit is set to the A position).
If you connect an optional power amplifier and
do not use the built-in amplifier, the beep
sound will be deactivated.
Getting Started
Resetting the unit
Before operating the unit for the first time or
after replacing the car battery, you must reset
the unit.
Remove the front panel and press the reset
button with a pointed object, such as a ball-
point pen.
Note
Pressing the reset button will erase the clock
setting and some memorized functions.
Detaching the front panel
You can detach the front panel of this unit to
protect the unit from being stolen.
1 Press (OFF).
2 Press (RELEASE), then slide the front
panel a little to the left, and pull it off
towards you.
Notes
· Be sure not to drop the panel when detaching it
from the unit.
· If you detach the panel while the unit is still
turned on, the power will turn off automatically
to prevent the speakers from being damaged.
· When carrying the front panel with you, use the
supplied front panel case.
Reset button
(OFF)
a
b
(RELEASE)