HRD0263A_Eng 1/21/04 12:54 Page 5
Setting the UnitConnecting the Unit
Connection Diagram
CAUTION
Gain ControlPower Indicator
Fuse (30 A)
Y Disconnect the negative (�) terminal of the batteryYMake sure that wires will not interfere with mov-
to avoid the risk of short-circuit and damage toing parts of the vehicle, such as the gearshift,Adjusting the gain controls A and B willThe power indicator lights when the
the unit.handbrake or seat sliding mechanism.Special red battery wire [RD-223] (sold separately)
help match the output of the car stereopower is switched on.
Y Secure the wiring with cable clamps or adhesiveY Do not shorten any wires. Otherwise the protec-GrommetAfter making all other connections at the amplifier,
to the Pioneer amplifier. Normally, set
tape. To protect the wiring, wrap adhesive tapetion circuit may fail to work when it should.connect the battery wire terminal of the amplifier to
the gain controls to the ONORMAL�
around it where they lie against metal parts.YNever feed power to other equipment by cuttingthe positive (+) terminal of the battery.
position. If the output is low, even when
Y Do not route wires where they will get hot, forthe insulation of the power supply wire to tapFuse (30 A)
the volume of the car stereo is turned up,
example where the heater will blow over them. Iffrom the wire. The current capacity of the wire
turn these controls clockwise. If there is
the insulation heats up, it may become damaged,will be exceeded, causing overheating.Ground wire (black) [RD-223] (sold separately)
distortion when the volume of the carConnect to metal body or chassis.
resulting in a short-circuit through the vehicleYNever replace the fuse with one of greater value
stereo is turned up, turn these controls
body.or rating than the original fuse. Use of an improp-
counter-clockwise.er fuse could result in overheating and smoke and
Y If you only use one input plug, set the gaincould cause damage to the product and injury
controls for speaker outputs A and B to theincluding burns.RCA inputAmplifier with
same position.RCA input jacks
YWhen using with an RCA equipped carConnecting wires with RCA pin
stereo (standard output of 500 mV), set toplugs (sold separately).
the NORMAL position. When using withCAUTION:
an RCA equipped Pioneer car stereo with
To prevent damage and/or injuryCar stereo with
max. output of 4 V or more, adjust level to
Y Do not ground the speaker wire directly or con-Y Speakers to be connected to the amplifier should
match the car stereo output level.RCA output jacksExternal Output
nect a negative (�) lead wire for several speakers.conform with the standards listed below. If they
If only one input plug is used, do not
YThis unit is for vehicles with a 12-volt battery anddo not conform, they may catch fire, emit smoke
connect anything to RCA input jack B.
negative grounding. Before installing it in a recre-or become damaged. The speaker impedance must
ational vehicle, truck or bus, check the batterybe 2 to 8 ohms. But in case of two-channel and
voltage.other bridge connections, the speaker impedance
Input Select Switch
Y If the car stereo is kept on for a long time whilemust be 4 to 8 ohms.
For two-channel input, slide this switch
the engine is at rest or idling, the battery may goY Install and route the separately sold battery wire
to the left. For four-channel input, slide
dead. Turn the car stereo off when the engine is atas far away as possible from the speaker wires.
Front sidethis switch to the right.
rest or idling.Install and route the separately sold battery wire,
Y If the system remote control wire of the amplifierground wire, speaker wires and the amplifier as
is connected to the power terminal through thefar away as possible from the antenna, antenna
ignition switch (12 V DC), the amplifier willcable and tuner.
always be on when the ignition is onN regardless
Y Cords for this product and those for other prod-
of whether the car stereo is on or off. Because of
ucts may be different colors even if they have the
RCA input jack B
LPF (Low-Pass Filter)/HPF (High-Pass Filter) Select Switchthis, the battery could go dead if the engine is atRCA output jacksame function. When connecting this product to
rest or idling.RCA input jack A
another product, refer to the supplied Installation
Set the LPF/HPF select switch as follows according to the type of speaker that is connectedmanuals of both products and connect cords that
to the speaker output connector and the car stereo system:have the same function.
Input Select Switch
For two-channel input, slide this switchLPF/HPF Select Audio frequency rangeSpeakerRemarksConnecting wires with RCA pin
Speaker ChannelSpeaker TypePower
to the left. For four-channel input, slideplugs (sold separately).
Switchto be outputTypeSubwooferNominal input: Min. 60 WBack side
this switch to the right.Four-channel
LPF (left)* N 40 to 120 HzSubwooferConnect a subwoofer.Other than subwooferMax. input: Min. 100 W
Fuse (20 A) � 2
OFF (center)Full rangeFull range
SubwooferNominal input: Min. 155 W
Two-channel
HPF (right)* 40 to 120 Hz NFull rangeUse if you want to cut the
Other than subwooferMax. input: Min. 240 W
Speaker output terminal
very low frequency range*System remote control wire (sold separately)
Three-channelSubwooferNominal input: Min. 60 WSee the OConnecting the
because it is not necessary Connect the male terminal of this wire to the system remote control
Cut Off Frequency ControlSpeakers and Input wires�Speaker output AOther than subwooferMax. input: Min. 100 Wterminal of the car stereo (SYSTEM REMOTE CONTROL). The
for the speakers you are
section for speaker connection
female terminal can be connected to the auto-antenna relay control
using.Three-channelSubwooferNominal input: Min. 155 Winstructions.
If the LPF/HPF select switch is set toterminal. If the car stereo does not have a system remote control ter-
LPF or HPF, you can select a cut off Speaker output BOther than subwooferMax. input: Min. 240 Wminal, connect the male terminal to the power terminal through the
frequency from 40 to 120 Hz.* See the OCut Off Frequency Control� section.ignition switch. |
ACEC
