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Harman Kardon CSP-1 Owner's Manual page 16

Automotive surround preamplifier

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Problem
Probable
Cauge
Bemedy
No
sound
Remote,
+12
V
or Ground
wires
not
connecled.
lnput
or
output
signal
cables
not
connected
properly.
ln-dash
unil,
external
process0r 0r
povver
ampliliers
not
working
properly.
Fuse Blown
Connect them
per
instructions,
Connect them
per
instructions.
irouble
shoot
them
per
their
owner's
manual.
Replace fuse per
instructions in
this
manual.
Engine or
allernator
noise in
lhe sound
Ground
terminal
not
connected
to
a
chassis ground point.
lnput or output signal
cables are
picking
up
noise
from
+12V
or
ground
wires
from
the
amplifiers.
Re-locate
ground
wire
connection,
Run
power
lead
directly to
"+"
battery
terminal. Re-position
the
signal
cables
away
from lhe
amplifier
power wires.
0r,
add power
line
lilters
to the
amplifier's
+12V wire.
Problem
Probable
Cause
Bemedy
High "hiss
noise"
CSP-1 output
signal
levels are set
too
low.
Amplilier gains
may
be
to high.
Re-set
all signal
levels
as
per
the
CSP-1
manual
sections
titled
'Amplilier
and
Speaker Level
Adjustments".
No
surround
effect
Bypass mode selected
Place bypass switch
in
"on" position
Unit
Dead
Unit Wired lncorrectly
Fuse Blown
Check
all Wiring.
Make
sure
power
plug
is
lirmly
plugged in.
Check
to
verify that
power
wiring is
not
reversed.
Replacsfuse
:
15

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