Pioneer GM-4200 Manual de servicio - Página 4
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3. CONNECTING THE UNITS (UC MODEL)
- WARNINGS-
• When routing leads and cords, secure them with
cable retainers and electrician's adhesive tape. Also,
to prevent any damage to the insulation on the leads
and cords, protect them with electrician's adhesive
tape wherever they touch sharp edges. Be sure to use
a rubber O-ring grommet when routing wires through
metal, such as the firewall between the engine and
passenger compartments.
• Keep ail wiring away from hot surfaces or heater
outlets to prevent short circuits.
• Amplifier ground connections (Black) should only be
made to the vehicle's metal body or chassis for safety
reasons. The ground circuit carries the same current
as the power lead from the vehicle's battery. To get
good
contact when grounding, sand the metal
surface to expose the bare metal. If using multiple
amplifiers, connect all amplifier ground leads to the
same point to prevent noise problems.
• Always connect the supplied special (red) battery lead
directly to the positive (+) terminal of the battery.
• It is recommended that the speakers connected to the
amplifier have the minimum ratings shown below. If a
speaker has a rating below what is recommended, it may
be damaged when the volume is turned up. The speaker
impedance must be 2 to 8 ohms.
Mode
Speaker ratings
Two-channel
Maximum
200 W
Nominal
100W
One-channel
Maximum
600 W
Nominal
300 W
In the case of a fult-range speaker, use one whose
maximum rating is higher than the maximum rating
shown. In the case of a sub-woofer, use one whose nominal
rating is higher than the nominal rating shown.
• Never connect a speaker lead to ground or to other
speaker grounds. The protection circuitry will operate
instantaneously, turning off the amplifier.
• To prevent noise problems, keep the amplifier power
leads away from the signal cords {RCA cords) and
speaker leads. Also, keep the power leads away from any
antenna cords.
• Before finalizing the installation, turn everything on, and
make sure everything works correctly and listen for noise
in the system.
• For
detailed
information
on
connections
between
different units and the amplifier, use the instruction
manuals for the units. It is important to follow their
recommendations precisely.
Connecting the special red battery lead
Use the special (red) battery lead supplied with the amplifier.
This lead contains the appropriately rated fuse [30-amp fuse
(x2)]. This special (red) battery lead is made of heavy gauge
wire so it is capable of carrying substantial amounts of current.
Connect both of the two terminals at each end of the battery
lead securely. Should any one terminal come loose, there may
be a short circuit, perhaps causing electric shock or even a fire.
Route the special battery lead from the engine compartment
through the firewall or vehicle body to the passenger
compartment and connect it to the amplifier.
Drill an 14-mm diameter hole in the firewall or vehicle body
and insert an O-ring rubber grommet and pull the battery
lead through into the passenger compartment.
Note:
The O-ring rubber grommet is important because it protects
the insulation on the battery lead from being worn away from
normal vibrations and rubbing against sharp metal edges.
Failure to install this grommet could result in a short circuit
and fire.
While installing the wires, do not connect the positive (+) lead
of the battery until the other leads have been connected. This
will prevent accidental shorting to any other wiring or ground.
After making all other connections at the amplifier, connect the
battery lead terminal of the amplifier to the positive {+}
terminal of the battery-
vehicle body.
After all the other leads
have been connected,
connect both terminals
to the positive (+)
terminal of the battery
After making all other connections at the amplifier, connect the battery lead terminal of
the amplifier to the positive (+) terminal of the battery.
A.