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Contents
Before using
Important Safeguards........................ 2
Precautions ....................................... 3
Features............................................. 4
Supplied accessories......................... 4
Before operating this unit ................. 5
System connections .......................... 6
Operation
Playing CDs...................................... 7
Using the memory function ............ 10
Useful Functions............................. 12
Other informations
Control positions and names .......... 14
Precautions for handling
the Compact Disc (CD) ............... 15
Troubleshooting Guide................... 16
Specifications ................................. 16
Compact Disc Player
DX-7222
Instruction Manual
Thank you for purchasing the Onkyo CD player.
Please read this manual thoroughly before making
connections and plugging in the unit.
Following the instructions in this manual will enable
you to obtain optimum performance and listening
enjoyment from your new CD player.
Please retain this manual for future reference.
DX-7222


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2
Important Safeguards
1. Read Instructions ­ All the safety and operating instructions
should be read before the appliance is operated.
2. Retain Instructions ­ The safety and operating instructions
should be retained for future reference.
3. Heed Warnings ­ All warnings on the appliance and in the
operating instructions should be adhered to.
4. Follow Instructions ­ All operating and use instructions
should be followed.
5. Water and Moisture ­ The appliance should not be used near
water ­ for example, near a bathtub, washbowl, kitchen sink,
laundry tub, in a wet basement, or near a swimming pool, and
the like.
6. Carts and Stands ­ The appliance should be used only with a
cart or stand that is recom-
mended by the manufacturer.
6A. An appliance and cart combi-
nation should be moved with
care. Quick stops, excessive
force, and uneven surfaces may
cause the appliance and cart
combination to overturn.
7. Wall or Ceiling Mounting ­ The appliance should be mounted
to a wall or ceiling only as recommended by the manufacturer.
8. Ventilation ­ The appliance should be situated so that its loca-
tion or position does not interfere with its proper ventilation.
For example, the appliance should not be situated on a bed,
sofa, rug, or similar surface that may block the ventilation
openings; or if placed in a built-in installation, such as a book-
case or cabinet that may impede the flow of air through the
ventilation openings, there should be free space of at least 5 cm
(2 in.) and an opening behind the appliance.
9. Heat ­ The appliance should be situated away from heat
sources such as radiators, heat registers, stoves, or other appli-
ances (including amplifiers) that produce heat.
10. Power Sources ­ The appliance should be connected to a
power supply only of the type described in the operating
instructions or as marked on the appliance.
11. Polarization ­ If the appliance is provided with a polarized plug
having one blade wider than the other, please read the following
information:
The polarization of the plug is a safety feature. The polarized plug
will only fit the outlet one way. If the plug does not fit fully into the
outlet, try reversing it. If there is still trouble, the user should seek
the services of a qualified electrician. Under no circumstances
should the user attempt to defeat the polarization of the plug.
12. Power-Cord Protection ­ Power-supply cords should be
routed so that they are not likely to be walked on or pinched by
items placed upon or against them, especially near plugs, con-
venience receptacles, and the point where they exit from the
appliance.
13. Cleaning ­ The appliance should be cleaned only as recom-
mended by the manufacturer.
14. Nonuse Periods ­ The power cord of the appliance should be
unplugged from the outlet when left unused for a long period
of time.
15. Object and Liquid Entry ­ Care should be taken so that
objects do not fall and liquids are not spilled into the enclosure
through openings.
16. Damage Requiring Service ­ The appliance should be ser-
viced by qualified service personnel when:
A. The power-supply cord or the plug has been damaged; or
B. Objects have fallen, or liquid has been spilled into the
appliance; or
C. The appliance has been exposed to rain; or
D. The appliance does not appear to operate normally or
exhibits a marked change in performance; or
E. The appliance has been dropped, or the enclosure damaged.
17. Servicing ­ The user should not attempt to service the appliance
beyond that described in the operating instructions. All other ser-
vicing should be referred to qualified service personnel.
WARNING:
TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK,
DO NOT EXPOSE THIS APPLIANCE TO RAIN OR
MOISTURE.
CAUTION:
TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT
REMOVE COVER (OR BACK). NO USER-SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED
SERVICE PERSONNEL.
The lightning flash with arrowhead symbol, within an equilateral
triangle, is intended to alert the user to the presence of uninsulated
"dangerous voltage" within the product's enclosure that may be of
sufficient magnitude to constitute a risk of electric shock to persons.
The exclamation point within an equilateral triangle is intended to
alert the user to the presence of important operating and maintenance
(servicing) instructions in the literature accompanying the appliance.
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
AVIS
PORTABLE CART WARNING
S3125A
This label on the rear panel states that:
1. This unit is a CLASS 1 LASER PRODUCT and employs a
laser inside the cabinet.
2. To prevent the laser from being exposed, do not remove the
cover. Refer servicing to qualified personnel.
"CLASS 1 LASER
PRODUCT "
This unit contains a semiconductor laser system and is classified
as a "CLASS 1 LASER PRODUCT". So, to use this model prop-
erly, read this Instruction Manual carefully. In case of any trou-
ble, please contact the store where you purchased the unit. To
prevent being exposed to the laser beam, do not try to open the
enclosure.
DANGER:
INVISIBLE LASER RADIATION WHEN OPEN AND INTER-
LOCK FAILED OR DEFEATED. AVOID DIRECT EXPOSURE
TO BEAM.
CAUTION:
THIS PRODUCT UTILIZES A LASER. USE OF CONTROLS
OR ADJUSTMENTS OR PERFORMANCE OF PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
For European model:


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3
Precautions
For U.S. model
The laser is covered by a housing which prevents exposure during
operation or maintenance. However, this product is classified as a
Laser Product by CDRH (Center for Devices and Radiological
Health) which is a department of the Food and Drug Administra-
tion. According to their regulations 21 CFR section 1002.30, all
manufactures who sell Laser Products must maintain records of
written communications between the manufacturer, dealers and
customers concerning radiation safety. If you have any complaints
about instructions or explanations affecting the use of this product,
please feel free to write to the address on the back page of this
manual. When you write us, please include the model number and
serial number of your unit.
In compliance with Federal Regulations, the certification, identifi-
cation and the period of manufacture are indicated on the rear
panel.
FCC INFORMATION FOR USER
CAUTION:
The user changes or modifications not expressly approved by the
party responsible for compliance could void the user's authority to
operate the equipment.
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 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 televi-
sion 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.
For Canadian model
CAUTION: THIS DIGITAL APPARATUS DOES NOT
EXCEED THE CLASS B LIMITS FOR RADIO NOISE EMIS-
SION FROM DIGITAL APPARATUS SET OUT IN THE RADIO
INTERFERENCE
REGULATIONS
OF
THE
CANADIAN
DEPARTMENT OF COMMUNICATIONS.
For models having a power cord with a polarized plug:
CAUTION: TO PREVENT ELECTRIC SHOCK, MATCH
WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSERT.
Modele pour les Canadien
ATTENTION: L'INTERFÉRENCE RADIO ÉLECTRIQUE
GÉNÉRÉE PAR CET APPAREIL NUMÉRIQUE DE TYPE B NE
DÉPASSE PAS LES LIMITES ÉNONCÉES DANS LE RÈGLE-
MENT SUR LES PERTURBATIONS RADIO ÉLECTRIQUES,
SECTION APPAREIL NUMÉRIQUE, DU MINISTÈRE DES
COMMUNICATIONS.
Sur les modèles dont la fiche est polarisée:
ATTENTION: POUR ÉVITER LES CHOCS ÉLECTRIQUES,
INTRODUIRE LA LAME LA PLUS LARGE DE LA FICHE
DANS LA BORNE CORRESPONDANTE DE LA PRISE ET
POUSSER JUSQU'AU FOND.
For British model
Replacement and mounting of an AC plug on the power supply cord
of this unit should be performed only by qualified service personnel.
IMPORTANT
The wires in the mains lead are coloured in accordance with the
following code:
Blue
: Neutral
Brown : Live
As the colours of the wires in the mains lead of this apparatus may
not correspond with the coloured markings identifying the termi-
nals in your plug, proceed as follows:
The wire which is coloured blue must be connected to the terminal
which is marked with the letter N or coloured black.
The wire which is coloured brown must be connected to the termi-
nal which is marked with the letter L or coloured red.
IMPORTANT
A 5 amp fuse is fitted in this plug. Should the fuse need to be
replaced, please ensure that the replacement fuse has a rating of 5
amps and that it is approved by ASTA or BSI to BS1362. Check for
the ASTA mark or the BSI mark on the body of the fuse.
IF THE FITTED MOULDED PLUG IS UNSUITABLE FOR THE
SOCKET OUTLET IN YOUR HOME, THEN THE FUSE
SHOULD BE REMOVED AND THE PLUG CUT OFF AND
DISPOSED OF SAFELY. THERE IS A DANGER OF SEVERE
ELECTRICAL SHOCK IF THE CUT OFF PLUG IS INSERTED
INTO ANY 13 AMP SOCKET.
If in any doubt, please consult a qualified electrician.
Declaration of Conformity
We, ONKYO EUROPE
ELECTRONICS GmbH
INDUSTRIESTRASSE 20
82110 GERMERING,
GERMANY
GERMERING, GERMANY
ONKYO EUROPE ELECTRONICS GmbH
K.OTSU
declare in own responsibility, that the ONKYO product described
in this instruction manual is in compliance with the corresponding
technical standards such as EN60065, EN55013, EN55020 and
EN61000-3-2, -3-3 (or EN60555-2, -3)


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4
Precautions
1. Warranty Claim
You can find the serial number on the rear panel of this unit. In case
of warranty claim, please report this number.
2. Recording Copyright
Recording of copyrighted material for other than personal use is
illegal without permission of the copyright holder.
3. Power
WARNING
BEFORE PLUGGING IN THE UNIT FOR THE FIRST TIME,
READ THE FOLLOWING SECTION CAREFULLY.
The voltage of the available power supply differs according to
country or region. Be sure that the power supply voltage of the area
where this unit will be used meets the required voltage (e.g., AC
230 V, 50 Hz or AC 120 V, 60 Hz) written on the rear panel.
Worldwide models are equipped with a voltage selector to conform
to local power supplies. Be sure to set this switch to match the volt-
age of the power supply in your area before plugging in the unit.
4. Do not touch this unit with wet hands
Do not handle this unit or power cord when your hands are wet or
damp. If water or any other liquid enters the case, take this unit to
an authorized service center for inspection.
5. Location of this unit
Place this unit in a well-ventilated location.
Take special care to provide plenty of ventilation on all sides of this
unit especially when it is placed in an audio rack. If ventilation is
blocked, this unit may overheat and malfunction.
Do not expose this unit to direct sunlight or heating units as this
unit's internal temperature may rise and shorten the life of the
pickup.
Avoid damp and dusty places and places directly affected by vibra-
tions from the speakers. In particular, avoid placing the unit on or
above one of the speakers.
Be sure this unit is placed in a horizontal position. Never place it
on its side or on a slanted surface as it may malfunction.
Do not place near tuners or TV sets.
If placed next to a TV or tuner, it may cause reception interference
resulting in some noise in the TV or tuner output.
6. Care
From time to time you should wipe the front and rear panels and the
cabinet with a soft cloth. For heavier dirt, dampen a soft cloth in a
weak solution of mild detergent and water, wring it out dry, and
wipe off the dirt. Following this, dry immediately with a clean cloth.
Do not use rough material, thinners, alcohol or other chemical sol-
vents or cloths since these could damage the finish or remove the
panel lettering.
7. Points to remember
If this unit is brought from a cold environment to a warm one or is
in a cold room that is quickly heated, condensation may form on
the pickup, preventing proper operation. In this case, remove the
disc and leave the power ON for about one hour to remove the con-
densation.
When transporting this unit, be careful not to bump it.
Features
s
36-Track Random Memory (Remote controller only)
s
8-times oversampling digital filter
s
Shuffle play (Remote controller only)
s
20-track music calendar
s
Time edit (calculates number of tracks that will fit on a
cassette) (Remote controller only)
s
10-key direct track access (Remote controller only)
s
Headphone jack with volume control
s
Peak search (Remote controller only)
s
Memory and Memory reverse
A convenient feature that lets you easily eliminate tracks you
don't want to hear or record.
s
Next selection (Remote controller only)
s
Five mode repeat function: entire side, single track, A-B,
memory and shuffle
s
Two optical digital outputs
s
Compatible Remote Control Supplied
Supplied accessories
Check that the following accessories are supplied with this unit.
Memory Preservation
This unit does not require memory preservation batteries. A
built-in memory power back-up system preserves the contents
of the memory during power failures and even when the
POWER switch is set to off. The POWER switch must be set to
on in order to charge the back-up system.
The memory preservation period after the unit has been turned
off varies depending on climate and placement of the unit. On
the average, memory contents are protected over a period of a
few weeks after the last time the unit has been turned off. This
period is shorter when the unit is exposed to a highly humid cli-
mate.
REMOTE
CONTROLLER
RC-402C
PEA
K SE
ARC
H
+10
0
TIM
E ED
IT
CLE
AR
ME
MO
RY
REP
EAT
DIS
PLA
Y
7
8
4
5
12
9
6
3
NEX
T
SEL
ECT
ION
A
B
SHU
FFL
E
Audio connection cable
×1
cable
× 1
Remote controller
× 1
Batteries (size AA, R6 or UM-3)
× 2


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5
Before operating this unit
Worldwide models are equipped with a voltage selector to conform with
local power supplies. Be sure to set this switch to match the voltage of
the power supply in your area before plugging in the unit.
1. Determine the proper voltage for your area: 220-230 V or
120 V.
2. If the preset voltage is not correct for your area, insert a screw-
driver into the groove in the switch. Slide the switch all the way
to the right (120 V) or to the left (220-230 V), whichever is
appropriate.
1. Remove the battery compartment cover by opening it as shown in
the illustration.
2. Insert two AA (R6- or UM-3)-size batteries into the battery compart-
ment. Carefully follow the polarity diagram (positive (+) and nega-
tive (­) symbols) inside the battery compartment.
3. After batteries are installed and seated correctly, replace the com-
partment cover.
Notes
· Do not mix new batteries with old batteries or different kinds of
batteries.
· To avoid corrosion, remove the batteries if the remote controller
is not to be used for a long time.
· Remove dead batteries immediately to avoid damage from cor-
rosion. If the remote controller doesn't operate smoothly,
replace both the batteries at the same time.
· The life of the batteries supplied is about six months but this
will vary depending on usage.
Point the remote controller toward the remote control sensor.
Notes
· Place the unit away from strong light such as direct sunlight or
inverted fluorescent light which can prevent proper operation of the
remote controller.
· Using another remote controller of the same type in the same
room or using the unit near equipment which uses infrared rays
may cause operational interference.
· Do not put any object such as a book on the remote controller.
The buttons of the remote controller may be pressed by mistake
and drain the batteries.
· Make sure the audio rack doors do not have colored glass. Plac-
ing the unit behind such doors may prevent proper remote con-
troller operation.
· If there is any obstacle between the remote controller and the
remote control sensor, the remote controller will not operate.
Setting the Voltage selector (Worldwide models
only)
Installing the remote controller batteries
Using the remote controller
REMOTE
CONTROL
R
L
DIGITAL
OUTPUT
OPTICAL 1
DIGITAL
OUTPUT
OPTICAL 2
ANALOG
OUTPUT
WARNING
RISK OF ELECTRIC SHOCK
DO NOT OPEN
RISQUE DE CHOC ELECTRIQUE
NE PAS OUVRIR
AVIS
120V
VOLTAGE SELECTOR
220-230V
COMPACT DISC PLAYER
MODEL NO.
DX-7222
RATING:
220-230V
VOLTAGE SELECTOR
120V
3
2
1
Remote
control sensor
30°
30°
DX-7222
approx. 5 m
(16 feet)
REM
OTE
CO
NTR
OLL
ER
RC
-402
C
PEA
K SE
ARC
H
+10
0
TIM
E ED
IT
CLE
AR
ME
MO
RY
REP
EAT
DIS
PLA
Y
7
8
45
1
2
9
6
3
NEX
T
SEL
ECT
ION
A
B
SHU
FFL
E