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10 | JL Audio - RD1000/1 Owners Manual
STATUS LED / PROTECTION CIRCUITRY
There is a bi-color LED light strip on the top
surface of the amplifier to indicate the amplifier’s
operating status. Note: When the amplifier is
powering up, the outputs are muted and the light
strip will turn red for a ½ second.
+12 VDC Ground Remote
Turn On Mode
Rem.
|
Oset
|
Signal
Low
|
High
Clipping
Input Voltage
0
+12
+5
+10
+8
Bass Boost (dB) LP Filter Freq. (Hz)
Input Sensitivity
Monoblock Subwoofer Amplifier
MONO SUBWOOFER OUPUT
(
L
)
(
R
)
CH. 1
(
L
)
CH. 2
(
R
)
INPUT SECTION
PRE-OUTS
1) Constant Blue: The amplifier is on and
functioning normally, audio output is active.
2) Constant Red: lights to indicate that the
amplifier has exceeded its safe operating
temperature, putting the amplifier into a
self-protection mode, which mutes the power
output of the amplifier. When its temperature
returns to a safe level, the red light will return
to blue and the amplifier will return to normal
operating mode.
3) Momentary Red: The light strip will turn
red for a ½ second and mute the amplifier’s
output during an over-current condition. It
will then attempt to restart (with a blue light).
If the condition remains, it will return to red
and mute the output again. A continuous
over-current condition is displayed with
alternating red/blue lights. Because the muting
behavior may be very short in duration, it
may manifest itself as an audible, repetitive
ticking or thumping noise in the output.
Over-current conditions can be caused by a
speaker impedance lower than the optimum
load impedance range for the amplifier or a
short-circuit in the speaker wiring. The latter
can result from a short circuit between the
positive and negative speaker wires or between
either speaker wire and the vehicle chassis.
4) LEDs off / Amplifier Shuts Off Unexpectedly
The only condition that will shut down an
undamaged RD1000/1 completely is if battery
voltage or remote turn-on voltage drops below
10 volts. The LED light strip will turn off when
this occurs. The amplifier will turn back on
when voltage climbs back above 11 volts. If
this is happening in your system, have your
charging system and power wiring inspected.
For more information on troubleshooting this
amplifier, refer to Appendix C (pages 14, 15).
10


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