Pioneer DEH-P520 Installationshandbuch - Seite 3

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Connecting the Units

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

connecting 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 insu-

lation 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 the fuse holder.

• 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.

• Speakers connected to this unit must be high-

power types with minimum rating of 45 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

catching fire, emitting smoke or becoming dam-

aged.

• If the RCA pin jack on the unit will not be used,

do not remove the caps attached to the end of the

connector.

• When this product's source is switched ON, a

control 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 terminal (max. 300 mA 12 V DC). If the

car features a glass antenna, connect to the anten-

na 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 ter-

minal 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 pos-

sibility of short-circuiting if the leads are not insu-

lated.

• To prevent incorrect connection, the input side of

the IP-BUS connector is blue, and the output side

is black. Connect the connectors of the same

colors correctly.

• 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 connect-

ed to a terminal coupled with ignition switch

ON/OFF operations. If this is not done, the vehi-

cle battery may be drained when you are away

from the vehicle for several hours. (Fig.1)

ACC position

• 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 dam-

age to the products or fire.

• 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

Fig. 1