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Note:
• This unit is for vehicles with a 12-volt battery and

negative grounding. Before installing it in a recre-
ational vehicle, truck or bus, check the battery
voltage.

• To avoid shorts in the electrical system, be sure to

disconnect the 

battery cable before beginning

installation.

• Refer to the owner’s manual for details on con-

necting the power amp and other units, then make
connections correctly.

• Secure the wiring with cable clamps or adhesive

tape. To protect the wiring, wrap adhesive tape
around them where they lie against metal parts.

• Route and secure all wiring so it cannot touch any

moving parts, such as the gear shift, handbrake and
seat rails. Do not route wiring in places that get
hot, such as near the heater outlet. If the insulation
of the wiring melts or gets torn, there is a danger of
the wiring short-circuiting to the vehicle body.

• Don’t pass the yellow lead through a hole into the

engine compartment to connect to the battery. This
will damage the lead insulation and cause a very
dangerous short.

• Do not shorten any leads. If you do, the protection

circuit may fail to work when it should.

• Never feed power to other equipment by cutting

the insulation of the power supply lead of the unit
and tapping into the lead. The current capacity of
the lead will be exceeded, causing overheating.

• When replacing fuse, be sure to use only fuse of

the rating prescribed on this unit.

• Since a unique BPTL circuit is employed, never

wire so the speaker leads are directly grounded or
the left and right 

speaker leads are common.

If you ground the products together and the ground
becomes detached, there is a risk of damage to the
products or fire.

• The black lead is ground. Please ground this lead

separately from the ground of high-current prod-
ucts such as power amps.
If you ground the products together and the ground
becomes detached, there is a risk of damage to the
products or fire.

• Speakers connected to this unit must be high-

power types with minimum rating of 50 W and
impedance of 4 to 8 ohms. Connecting speakers
with output and/or impedance values other than
those noted here may result in the speakers catch-
ing fire, emitting smoke, or becoming damaged.

• When this product’s source is switched ON, a con-

trol signal is output through the blue/white lead.
Connect to an external power amp’s system remote
control or the car’s Auto-antenna relay control ter-
minal (max. 300 mA 12 V DC). If the car features
a glass antenna, connect to the antenna booster
power supply terminal.

• When an external power amp is being used with

this system, be sure not to connect the blue/white
lead to the amp’s power terminal. Likewise, do not
connect the blue/white lead to the power terminal
of the auto-antenna. Such connection could cause
excessive current drain and malfunction.

• To avoid short-circuiting, cover the disconnected

lead with insulating tape. Especially, insulate the
unused speaker leads without fail. There is a possi-
bility of short-circuiting if the leads are not insulat-
ed.

• If this unit is installed in a vehicle that does not

have an ACC (accessory) position on the ignition
switch, the red lead of the unit should be connected
to a terminal coupled with ignition switch ON/OFF
operations. If this is not done, the vehicle battery
may be drained when you are away from the vehi-
cle for several hours. (Fig. 1)

Fig. 1

• Cords for this product and those for other prod-

ucts may be different colors even if they have the
same function. When connecting this product to
another product, refer to the supplied Installation
manuals of both products and connect cords that
have the same function.

No ACC position

ACC position

ON

S

T

A

R

T

O

FF

ACC

ON

S

T

A

R

T

O

FF

<KSNZX/02H00000>

DEH-P250

Printed in Thailand

Imprimé en Thaïlande

<CRD3687-A/N> UC

+

+

+

+

+

+

IP-BUS input (Blue)

This Product

Blue/white
To system control terminal of the power amp
or Auto-antenna relay control terminal
(max. 300 mA 12 V DC).

Connecting cords
with RCA pin plugs
(sold separately)

System remote control

Rear speaker

Rear speaker

Right

Front speaker

Rear speaker

White

Gray

White/black

Green

Green/black

Gray/black

Violet

Violet/black

Front speaker

Rear speaker

Left

With a 2 speaker system, do not connect
anything to the speaker leads that are not
connected to speakers.

Yellow
To terminal always supplied
with power regardless of
ignition switch position.

Black (ground)
To vehicle (metal) body.

Red
To electric terminal controlled
by ignition switch (12 V DC)
ON/OFF.

Power amp
(sold separately)

Antenna jack

Rear output

Perform these connections when using
the optional amplifier.

IP-BUS cable

Multi-CD player
(sold separately)

Fuse

Fig. 2

<ENGLISH>

Connecting the Units

This product conforms to CEMA cord colors.
Le code de couleur des câbles utilisé pour ce produit est
conforme à CEMA.
Los colores de los cables este producto se conforman
con el código de colores CEMA.

INST

ALLA

TION MANUAL

MANUEL D’INST

ALLA

TION

Summary of Contents for DEH-P250

Page 1: ... car s Auto antenna relay control ter minal max 300 mA 12 V DC If the car features a glass antenna connect to the antenna booster power supply terminal When an external power amp is being used with this system be sure not to connect the blue white lead to the amp s power terminal Likewise do not connect the blue white lead to the power terminal of the auto antenna Such connection could cause exces...

Page 2: ...inflammation avec émission de fumée ou à tout le moins leur endommagement Quand la source de ce produit est positionnée sur ON un signal de commande est sorti par le fil bleu blanc Connectez le à la télécommande d ensemble de l amplificateur de puissance extérieur ou à la borne de commande du relais d antenne motorisée max 300 mA 12 V CC Si la voiture utilise une antenne de vitre connectez le à la...

Page 3: ...voces Cuando se conecta la fuente de este producto una señal de control se emite a través del conductor azul blanco Conecte al control remoto de sistema de un amplificador de potencia externo o al termi nal de controle de relé de antena automática del vehículo máx 300 mA 12 V CC Si el vehículo tiene una antena en vidrio conecte al terminal de suministro de energía de la antena Cuando se está utili...

Page 4: ... Rubber bush Screw Dashboard Removing the Unit Fig 5 Fig 6 Fig 5 Fig 6 5 6 Insert the release pin into the hole in the bottom of the frame and pull out to remove the frame When reattaching the frame point the side with a groove downwards and attach it Frame Fixing the Front Panel If you do not operate the Detaching and Replacing the Front Panel Function use the supplied fixing screws and fix the f...

Page 5: ...en utilisant les languettes inférieures et supérieures Cela fait courbez les languettes de 90 degrés Bague en caoutchouc Vis Tableau de bord Dépose de l unite Fig 5 Fig 6 Fig 5 Fig 6 5 6 Cabre Introduisez le tige de déblocage bans l orifice du fond du cabre et tirez pour enlever le cadre Pour remettre le cadre en place diriger le côté avec la rainure vers le bas Insérer les clés d extraction fourn...

Page 6: ... Montaje trasero DIN Instalación usando los agujeros para tornillos ubicados en ambos costados de la unidad 1 Quite el marco Fig 7 Fig 7 2 Fijación de la unidad a la ménsula de montaje existente Fig 8 Fig 9 Seleccione una posición en la que los orificios para los tornillos del soporte y de la unidad principal queden alinea dos y apriete los tornillos en 2 lugares de un lado Utilice ya sea los torn...

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