Pioneer HRD0057 Manual de servicio - Página 30
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Connecting the Unit
CAUTION
• Disconnect the negative (–) terminal of the battery
to avoid the risk of short-circuit and damage to
the unit.
• Secure the wiring with cable clamps or adhesive
tape. To protect the wiring, wrap adhesive tape
around it where they lie against metal parts.
• Do not route wires where they will get hot, for
example where the heater will blow over them. If
the insulation heats up, it may become damaged,
resulting in a short-circuit through the vehicle
body.
To prevent damage
• Do not ground the speaker wire directly or con-
nect a negative (–) lead wire for several speakers.
• 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.
• If the car stereo is kept on for a long time while
the engine is at rest or idling, the battery may go
dead. Turn the car stereo off when the engine is at
rest or idling.
• If the blue wire of the amplifier is connected to
the power terminal through the ignition switch
(12 V DC), the amplifier will always be on when
the ignition is on— regardless of whether the car
stereo is on or off. Because of this, the battery
could go dead if the engine is at rest or idle.
Speaker Channel
Speaker Type
Sub-woofer
Four-channel
Other than sub-woofer
Sub-woofer
Two-channel
Other than sub-woofer
Three-channel
Sub-woofer
Speaker output A
Other than sub-woofer
Three-channel
Sub-woofer
Speaker output B
Other than sub-woofer
• Make sure that wires will not interfere with mov-
ing parts of the vehicle, such as the gearshift,
handbrake or seat sliding mechanism.
• Do not shorten any wires. Otherwise the protec-
tion circuit may fail to work when it should.
• Never feed power to other equipment by cutting
the insulation of the power supply wire to tap
from the wire. The current capacity of the wire
will be exceeded, causing overheating.
• Install and route the separately sold battery wire
as far away as possible from the speaker wires.
Install and route the separately sold battery wire
and ground wire, speaker wires, and the amplifier
as far away as possible from the antenna, antenna
cable and tuner.
• Speakers to be connected to the amplifier should
conform with the standards listed below.
Otherwise damage will occur to the speaker. The
speaker impedance must be 1 to 8 ohms. (2 to 8 Ω
for stereo, monaural and other bridge connec-
tions.)
Power
Nominal input: Min. 65 W
Max. input: Min. 130 W
Nominal input: Min. 150 W
Max. input: Min. 300 W
Nominal input: Min. 65 W
Max. input: Min. 130 W
Nominal input: Min. 150 W
Max. input: Min. 300 W
Connection Diagram
Fuse (30 A)
Special red battery wire [RD-223] (sold separately).
After making all other connections at the amplifier,
Grommet
connect the battery wire terminal of the amplifier to
the positive (+) terminal of the battery.
Fuse (30 A)
Ground wire (black) [RD-223] (sold separately).
Connect to metal body or chassis.
Connecting wires with RCA pin
plugs (sold separately).
External Output
For details on how to connect to RCA
input jacks A and B, see the "Connecting
the Speakers and Input wires" section.
If only one input plug is used, do not con-
nect anything to RCA input jack B.
RCA output jack
Reverse side
Fuse (30 A) × 2
Speaker output terminal
Blue [RD-223] (sold separately).
See the "Connecting the
Connect the male terminal of this wire to the blue wire of
Speaker wires" section
the car stereo (SYSTEM REMOTE CONTROL). The
for speaker connection
female terminal can be connected to the auto-antenna relay
instructions.
control terminal. If the car stereo does not have a system
remote control terminal, connect the male terminal to the
power terminal through the ignition switch.
Amplifier with
RCA input
RCA input jacks
Car stereo with
RCA output jacks
RCA input jack A, B
Connecting wires with RCA pin
plugs (sold separately).