Sony CD-CX427 User Manual

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INSTALLATION AND CONNECTIONS
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8C-KCG-912-01
011120ATM-OX

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SUPPLIED MOUNTING HARDWARE FOR
INSTALLATION → A

INSTALLATIONS

The installation scenario described in this manual
assumes that you have a typical car. If your specific car
requires any adjustments or modifications, consult your
nearest AIWA car audio dealer.

PRECAUTIONS

• This unit is designed for negative-ground, 12-V DC
operation only.

• Before starting installation, make sure the ignition switch
is set to OFF and disconnect the ground terminal of the
car battery to avoid short-circuiting.

• Install the unit where it will not hamper the operation of
the vehicle.

• Install the unit where it will not injure the passenger if
there is a sudden stop, like an emergency stop.

• Avoid installing the unit where it would be subject to high
temperatures caused by direct sunlight or hot air from
the heater, or where it would be subject to dust, dirt or
excessive vibration.

• Use only the supplied mounting hardware, for a safe
and secure installation.

PREINSTALLATIONS → B

If there is installation hardware for another receiver
already in the dashboard, it must be removed.

Before installing the unit in the dashboard
Remove the trim plate from the unit → 1

• FLAP (flap panel)-type model Remove the trim plate

a by pushing the side of the plate in the direction of the
arrow.

• FIX (fixed panel)-type model Remove the trim plate
a by pushing the upper and lower parts of the plate in
the direction of the arrow.

• As for the DFP (Detachable Front Panel) -type model,
the trim plate is separately packed at the factory.

Remove the installation sleeve → 2

Insert the levers 8 along each groove on both sides of
the unit to unlock the installation sleeve 1 and pull the
sleeve to detach it from the unit.

BASIC INSTALLATIONS → C

Installation in the dashboard

Note that the Installation shown is a typical example.
For some car types you may need to make adjustments
or modifications to install the unit. If your car is of such
type, consult your nearest AIWA car audio dealer.

Mounting-angle adjustment

The mounting angle should be 30 degrees or less from
horizontal.

FLAP

FIX

23

Caution on installation without using the
sleeve → D

Be sure to use the supplied screws 9 shown
in A to attach the mounting brackets M (not
supplied).

M5 × 6 mm

M5 × 6 mm

E

F

A

B C

15A

ENGLISH

CONNECTIONS

PRECAUTIONS

Precaution on making connections

Before connecting, make sure that the ignition switch is
set to OFF, and remove the ground terminal of the battery
to protect the unit and your car from damage.

Caution

Make the connections correctly, as illustrated in the
connection diagram.
Do not connect the negative ( cord of each speaker wire
to a common point. When replacing the fuse, be sure to
use a fuse of the same rated amperage. Use of a fuse of
a higher rating may cause serious damage to the unit.

CONNECTION DIAGRAM → A

One or more of the connectors B, C, and D may not
exist on the model you purchased. Make the
appropriate connection or connections according to
the configuration of your unit.
See the section “SPECIFICATIONS” of the separate
Operating Instructions.

A From the car antenna
B To the input jack of the optional power

amplifier (for the rear channel)

C To the input jack of the optional power

amplifier (for the front channel)

D

From the optional AIWA compact disc changer

E To the wiring of the vehicle

Colors of leads

1 Black (ground lead to be connected to vehicle [metal]

body.)

2 Red (ACC lead to be connected to the terminal from

which power is supplied when the ignition switch is
set to ACC.)

3 Yellow (battery lead to be connected to the backup

terminal from which power is always supplied.)

4 Blue (power antenna lead to be connected to the

terminal of the control relay switch for a vehicle
equipped with a fully automatic power antenna. This
lead is not used for a vehicle with a manual antenna
or a switch-operated power antenna. If you will use
the optional power amplifier with the unit, connect this
lead to the remote terminal of the amplifier.)

F Speaker connections

4-SPEAKER CONNECTIONS →
2-SPEAKER CONNECTIONS →
Note →

Insulate the end of the unused lead with a piece of tape.

Notes

• Use speakers with an impedance of 4 to 8 ohms and
with adequate power-handling capacities. Otherwise,
the speakers may be damaged.

• Do NOT connect the speakers in parallel.

• Do NOT connect the terminals of the speaker system to
the car chassis.

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