Problem Possible Cause
Possible Solution
5.
Amp
has
engine
noise
Speaker ground is shorted to car body
Test for negative speakerspeaker short:
Make sure negative speaker lead is not
shorted to vehicle chassis
or
body.
Outer barrel
of
RCA connector is
With amp off. disconnect RCA Cables
And
shorting to the Amplifier chassis
test for the impedance between the Barrel
of
the RCA
and
the amp powerground.
If no negative speaker lead short, the
impedance
is
nearly shorted (low resistance).
Call Eclipse Technical support.
6.
Distorted
Output
Amplifier gain is too high
Turn amplifier gain down so clipping
LED turns on during peaks, or level is just
below audible distortion.
Too much input signal
Source unit output level is more then 8
Volts RMS: Reduce gain at Source Unit.
Damaged Speaker
Check Speaker with alternative Source:
Replace Speaker.
Source Unit output is distorted
Test Source Unit with alternate system
like a Display
or
function verification unit.
Replace Source Unit.
7.
Unit Turns on and off
Speaker is shorted
Test for shorted speaker: Remove short
from speaker,
or
replace shorted Speaker.
Poor connection to Power wires
or
Poor
Test connections
at
B+ cable
and
Power
Battery connection
Ground: Repair Power Cable connections.
8.
Poor
Bass
Output
Gain Control for Subwoofer is too low
Check Source Unit settings and Input
Gain Control: Adjust gain control on
Source Unit
or
at amplifier input.
Crossover is set up incorrectly
Check crossover frequency settings:
Adjust Crossover.
Subwoofer is wired out
of
phase
Check subwoofer wiring
and
phase:
Correct wiring
of
subwoofer to be in phase.
Acoustical misalignment
of
subwoofer
Check to be sure the
box
is not to small
for the Subwoofer operating parameters
Correct box size.
Tone Controls on Source Set Incorrectly
Check to make sure the tone controls are
set to a flat position and not
to
cut position:
Set tone controls to flat or by pass position.
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