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A MPLIFIER WILL NOT POWER UP.
Check
for good ground connection.
•
Check
that
remote DC terminal
•
power
Check
that there is battery
•
Check all fuses.
•
Check
that Protection
is not
LED
•
HIGH HISS OR ENGINE NOISE (ALTERNATOR WHINE) IN SPEAKERS.
Disconn ect all
RCA inputs
the amplifier(s)
to
•
driving the amplifier and unplug
component is found.
best
It is
to set the amplifier1s input level as low as possible. The
•
way
Try to
this
drive
is obtainable
.
PROTECTION LED COMES ON WHEN THE A MPLIFIER IS POWERED UP.
Check
for shorts on speaker leads.
•
Check
that the volume control on the bead unit is turned down low.
•
reset
speaker leads, and
• Remove
on, then the amplifier is faulty.
A M P LlflER(S) GETS VERY HOT.
Check
that the minimum speaker impedance for
•
Check
for speaker shorts.
•
Check
that there is good airflow around the amplifier.
•
applications, an external coo ling
DISTORTED SOUND
Check
that the
Level
control(s) is set to match the signal level of the
•
unit
bead
.
cross over
Check that all
frequencies
•
Check
for shorts on the speaker leads.
•
HtGH SQUEAL NOISE FROM SPEAKERS.
This is almost always caused by
•
bas at least
DC.
3V
on the +terminal .
lit,
lit If
it is
shut
off
amplifier briefly and then repower it.
if
hiss/noise disappears , then plug in
-
its
inputs.
If
hiss/noise disappears, go on until the faulty /noisy
level
as high a signal
from the head unit as possible.
If
the amplifier.
the Protection
that
mod.el is co
some
In
required.
fan
be
may
have
been
set.
properly
poorly-grounded RCA patch cord.
a
the
component
best
subjective S/N ratio
still comes
LED
rrect
offUIZal'
CPTI owneFl's m.-.nu.-.1...
-
s
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