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Connecting The Unit; Connecting The Speakers - Pioneer GM-202 Manual

Bridgeable power amplifier

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GM-202,102
Connecting The Unit
& CAUTION
Remove 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 them where
they lie against metal parts.
ff you drill a hole in the engine compart-
ment to directly connect the special red
battery lead to the car battery, plug the
hole with a rubber bushing to protect the
wire. f a rubber bushing is not used, the
insulation may be damaged and a short
circuit may result due to the vibrations of
the car.
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
4 short-circuit through the vehicle body.
Make sure that wires will not interfere
with moving parts of the vehicle, such as
the gearshift, handbrake or seat stiding
mechanism.
Do not shorten any leads. Otherwise the
protection circuit may fail ta 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.
(Fig. 11)
(6]
(7)
{8}
{9}
Special red battery wire
Connect to unswitched source greater
than 15 A.
Ground wire (black)
Connect ta metal body or chassis
Fuse (15 A)
Car stereo with RCA output pin jacks
{10} Externat output
(11] White
(12) Red
(13] Connecting wires with RCA pin plugs.
{sold separately)
{14] RCA input pin jack
{15} Blue
Connect the rnaie terminal of this wire
fo the blue wire of the car stereo
{system control terminal}. The female
terminal can be connected te the auto:
antenna
relay 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.
[16] Speaker output terminal
See the "Connecting the Speakers"
section for speaker connection
instructions
+ Be sure to use the special red battery wire
suppiied with the amplifier and connect
unswitched source greater than 15 A. Use
the supplied black ground wire and
connect to the vehicle body. {The sup-
plied special red battery and ground
wires are designed so that the amplifier
can be connected safely.}
OQ To prevent damage
+ Do not ground the speaker wire directly
or connect a negative {-) wire for several
speakers.
Speakers to be connected to the amplifier
should conform with the standards listed
below. Otherwise damage will be caused
to the speaker. The speaker impedance
must be 2 to 8 ohms.
Speaker
.
me
+
Power
_Channvel |
Type
Nominal input:
Sub-woofer | Min sey
Two-channel pt
| Other than
| Max. input
sub-woofer | Min. 70W
Nominal input
Sub-woofer | Min. 80 Ww
One-channel
ANG
CEAEaE
Other than | Max. input
i
sub-woofer | Min. 160 W _
Connecting the Power Terminal
Be sure to use the special red battery wire
supplied with the amplifier and connect
unswitched source greater than 15 A. Use
the supplied black ground wire and
connect to the vehicle body. (The sup:
plied special red battery and ground
wires are designed so that the amplifier
can be connected safely.)
Connect the special red battery wire to the
POWER terminal (+), and the black ground
wire to the GND terminal (~).
POWER
terminal
Terminal
screw
Terminal
screw
ae
x
GND.
terminal
fee)
'|
Ground wire
\
(black?
Special red
battery wire
Fig. 12
Fig. 13
Securely fasten the special red battery
wire and the ground wires with terminal
screws.
+ This unit is for vehicles with a 12-volt
battery and negative grounding. Before
installing it in a recreational vehicle, truck,
or bus, check the battery voitage.
install and route the special red battery
wire supplied with the amplifier as
faraway as possible from the speaker
wires. Install and route the battery wire,
ground wire, speaker wires, and the
amplifier as faraway as possible from the
antenna, antenna cable and tuner.
Connecting the Speakers
The speaker output mode can be two
channel (stereo), one-channel (mono), or
three-channel (stereo + mono). To connect
the speaker wires to suit the mode. Connect
the speakers according to the figure below.
Two-channel mode (stereo)
Green cover
Spesk
Green stripe
peaker
(left)
Speaker
right)
prea
One-channal mode {mano}
Black cover
Fig. 14
>
Grean cover
No CONNectign
Green stripe
peaker
ronal
Biack stripe
Black cover
Fig. 15

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