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CD Stereo System
For assistance and information
(United States and Puerto Rico)
En (English)
E (Español)
F (Français)
Record the model number and serial number of your set (found at the
rear of your set) below. Refer to them when contacting your Aiwa dealer.
Model No. _____________________________
Serial No. _____________________________

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To reduce the risk of fire or electric shock, do not expose
this appliance to rain or moisture.
Explanation of Graphical Symbols:
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)
accompanying the appliance.
Read the Operating Instructions carefully and completely before
operating the unit. Be sure to keep the Operating Instructions
for future reference. All warnings and cautions in the Operating
Instructions and on the unit should be strictly followed, as well
as the safety suggestions below.
To prevent electric shock or injury, these safety instructions
should be followed in the installation, use and servicing the
Attachments - Do not use attachments not recommended by
the unit manufacturer as they may result in the risk of fire, electric
shock or injury to persons.
Water and Moisture - Do not use this unit near water - for
example, near a bathtub, washbowl, kitchen sink, or laundry
tub, in a wet basement, or near a swimming pool, and the like.
Heat - Do not use this unit near sources of heat, including
heating vents, stoves, or other appliances that generate heat. It
also should not be placed in temperatures less than 5°C (41°F)
or greater than 35°C (95°F ).
Mounting surface - Place the unit on a flat, even surface.
Accessories - Do not place this unit on an unstable cart, stand,
tripod, bracket, or table. The unit may fall, causing serious injury
to a child or an adult, and serious damage to the appliance.
Use only with a cart, stand, tripod, bracket, or table
recommended by the manufacturer, or sold with the unit. Any
mounting of the appliance should follow the manufacturer's
instructions, and should use a mounting accessory
recommended by the manufacturer.
Portable cart - An appliance and cart
combination should be moved with care. Quick
stops, excessive force, and uneven surfaces
may cause the appliance and cart combination
to overturn.
Ventilation - The unit should be situated with adequate space
around it so that proper heat ventilation is assured. Allow 10
cm clearance from the rear and the top of the unit, and 5 cm
from the each side.
Slots and openings in the cabinet and the back or bottom are
provided for ventilation, and to ensure reliable operation of the
unit and to protect it from overheating, these openings must
not be blocked or covered. The openings should never be
blocked by placing the unit on a bed, sofa, rug or other similar
surface. This unit should not be placed in a built-in installation
such as a bookcase unless proper ventilation is provided.
Object and Liquid Entry - Never push objects of any kind
into this unit through the cabinet slots as they may touch
dangerous voltage points or short-circuit parts that could result
in a fire or electric shock. Never spill liquid of any kind on the
Electric Power
Power Sources - This unit should be operated only from the
type of power source indicated on the marking label. If you are
not sure of the type of power supply to your home, consult your
appliance dealer or local power company. To operate unit on
battery power, or other sources, refer to the operating
Grounding or Polarization - This unit is provided with a
polarized alternating-current line plug (a plug having one blade
wider than the other). This plug will fit into the power outlet
only one way. This is a safety feature. If you are unable to insert
the plug fully into the outlet, try reversing the plug. If the plug
should still fail to fit, contact your electrician to replace your
obsolete outlet. Do not defeat the safety purpose of the polarized
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, paying particular attention
to cords at plugs, convenience receptacles, and the point where
they exit from the product.

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PREPARATIONS ................................... 4
PARTS AND CONTROLS ......................... 5
CD OPERATIONS ................................ 10
RADIO OPERATIONS ........................... 12
TAPE OPERATIONS ............................. 14
SOUND ADJUSTMENTS ........................ 17
TIMER OPERATIONS ........................... 18
REFERENCE ..................................... 20
System and accessories
CX-ND20 CD stereo cassette receiver
SX-ND20 Front speakers
CX-ND22 CD stereo cassette receiver
SX-ND22 Front speakers
SX-R160 Surround speakers
Remote control
FM antenna
AM antenna
Overloading - Do not overload wall outlets, extension cords,
integral convenience receptacles as this can result in a risk of
fire or electric shock.
Outdoor Antenna
Power lines - An outside antenna system should not be located
in the vicinity of overhead power lines or other electric light or
power circuits, or where it can fall into such power lines or
circuits. When installing an outside antenna system, extreme
care should be taken to keep from touching such power lines
or circuits as contact with them might be fatal.
Outdoor Antenna Grounding - If an outside antenna or cable
system is connected to the unit, be sure the antenna or cable
system is grounded so as to provide some protection against
voltage surges and built-up static charges. Section 810 of the
National Electrical Code, ANSI/NFPA No.70, provides
information with regard to proper grounding of the mast and
supporting structure, grounding of the lead-in wire to an antenna
discharge unit, size of grounding conductors, location of
antenna-discharge unit, connection to grounding electrodes,
and requirements for the grounding electrode. See the figure.
For added protection for this unit receiver during a lightning
storm, or when it is left unattended and unused for long periods
of time, unplug it from the wall outlet and disconnect the antenna
or cable system. This will prevent damage to the unit due to
lightning and powerline surges.
Cleaning - Unplug this unit from the wall outlet before cleaning.
Do not use liquid cleaners or aerosol cleaners. Use a damp
cloth for cleaning.
Damage Requiring Service
Unplug this unit from the wall outlet and refer servicing to
qualified service personnel under the following conditions:
- When the power cord or plug is damaged.
- If liquid has been spilled, or objects have fallen into the unit.
- If the unit has been exposed to rain or water.
- If the unit does not operate normally by following the operating
instructions. Adjust only those controls that are covered by
the operating instructions as improper adjustment of other
controls may result in damage and will often require extensive
work by a qualified technician to restore the unit to normal
- If the unit has been dropped or the cabinet has been damaged.
- When the unit exhibits a distinct change in performance -
this indicates a need for service.
Do not attempt to service this unit yourself as opening or
removing covers may expose you to dangerous voltage or other
hazards. Refer all servicing to qualified service personnel.
Replacement Parts - When replacement parts are required,
be sure the service technician has used replacement parts
specified by the manufacturer or having the same characteristics
as the original part. Unauthorized substitutions may result in
fire, electric shock or other hazards.
Safety Check - Upon the completion of any service or repairs
to this unit, ask the service technician to perform safety checks
to determine that the unit is in proper operating condition.

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Plug in the AC power cord to the AC power outlet after all other
connections are made.
1 Connect the front speakers.
Connect the right front speaker to the SPEAKERS R
terminals and place it on the right side of the unit. Connect
the left to the SPEAKERS L terminals and place it on the
left side.The speaker cords with the white stripes go to
the 0 terminals.
2 Connect the surround speakers (only for NSX-
Connect each surround speaker cord to the SURROUND
3 Connect the supplied antennas.
Strip off the insulation of the FM antenna with twisting
the cord.
Connect the FM antenna to the FM 75 terminal without
the 2 mark and the AM antenna to the AM LOOP
4 Connect the AC power cord to an AC outlet.
When the AC power cord is connected to an AC outlet for
the first time, DEMO appears on the display.
To deactivate the DEMO, press DEMO/ECO.
·Do not short-circuit the 0 and 9 speaker cord leads.
·Do not leave objects generating magnetism or objects
affected by magnetism near the speakers.
AM antenna
FM antenna
To position the surround speakers (only for NSX-D22)
Position the surround speakers behind the listening area to
make the most of the surround effect.
AIWA disclaims any responsibility for injury to persons
or other accidents caused by not fitting the surround
speakers properly or if the place of the installation is not

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Main unit: rear
* This illustration is only for NSX-D22.
There are no SURROUND SPEAKERS jacks on CX-ND20
for NSX-D20.
1 AM LOOP, FM 75 terminals
Plug in the supplied AM and FM antennas here.
2 VIDEO/AUX jacks
Accepts analog sound signals from external equipment.
Connect using an optional connecting cable with RCA
phono plugs (red plug to R jack, white plug to L jack).
Refer also to the operating instructions of your equipment.
To switch function to external input, press VIDEO/AUX.
To change the displayed name for this function, turn the
unit on, then hold down VIDEO/AUX and press POWER
on the unit. Repeat the procedure to select "AUX",
"VIDEO" or "TV".
3 SURROUND SPEAKERS3 jacks (only
for NSX-D22)
Connect the speaker cord of the supplied surround
speakers here.
4 SPEAKERS3 terminals
Connect the speaker cord of the supplied front speakers
5 AC power cord
Remote control
Detach the battery compartment lid at the rear of the remote
control and insert two R6 (size AA) batteries with correct
·Replace the batteries with new ones when the operational
distance between the remote control and main unit becomes
·Remove the batteries if the unit is not going to be used for
an extended period of time.
·The remote control may not operate if it is used under intense
sunlight, etc., or if its line of sight is obstructed.