Справочник Пользователя для Rockford Fosgate PCH-414
Tweeters “burn
up” easily
up” easily
Crossover is in “passive fil-
ter bypass” configuration.
ter bypass” configuration.
External crossover is not fil-
tering the tweeter properly.
tering the tweeter properly.
Excessive clipping from
amplifier.
amplifier.
Equalizer in system (if avail-
able) has excessive boost in
the high frequency range.
able) has excessive boost in
the high frequency range.
Check wiring and re-config-
ure as needed.
ure as needed.
Check configuration of ex-
ternal crossover and re-con-
figure for at least 6kHz @
18dB/octave
ternal crossover and re-con-
figure for at least 6kHz @
18dB/octave
Check gain settings on am-
plifier and readjust as
needed.
plifier and readjust as
needed.
Check settings on equalizer
and readjust as needed.
and readjust as needed.
T
R O U B L E S H O O T I N G
No sound from
speakers
speakers
Symptom
Diagnosis
Remedy
Wires between amplifier,
crossover and speakers
not connected properly.
crossover and speakers
not connected properly.
Amplifier has no output.
Speaker wires are
shorted to each other or
to the chassis of the
vehicle.
shorted to each other or
to the chassis of the
vehicle.
Speakers are blown.
Check and repair or
replace wiring as needed.
replace wiring as needed.
Check system with known
working amplifier and re-
pair or replace as needed.
working amplifier and re-
pair or replace as needed.
Check for shorts in the
wiring with a volt/ohm
meter and repair or
replaced wires as needed.
wiring with a volt/ohm
meter and repair or
replaced wires as needed.
Check system with known
working speaker and repair
or replace as needed.
working speaker and repair
or replace as needed.
Distorted sound
from speakers
from speakers
Engine Noise
from One
or More
Speakers
from One
or More
Speakers
Incorrect wiring between
crossover and speakers
crossover and speakers
Speaker wires shorted
to chassis of vehicle.
to chassis of vehicle.
Crossover is mounted near
radiated noise source.
(Power cables, computers,
etc.)
radiated noise source.
(Power cables, computers,
etc.)
Check wiring and repair
or replace as needed.
or replace as needed.
Check for shorts in the wir-
ing with a volt/ohm meter
and repair or replace wires
as needed.
ing with a volt/ohm meter
and repair or replace wires
as needed.
Move crossovers away from
noise sources. (Refer to In-
stallation section of manual
on crossovers.)
noise sources. (Refer to In-
stallation section of manual
on crossovers.)
TROUBLE- S
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