Rockford Fosgate RFX Serie Manuel D'installation Et Fonctionnement page 22

T
ROUBLESHOOTING
S
YMPTOM
Radiated Noises
CD skips
excessively
Engine Noise
IR Remote
IR Remote has
poor range
IR Remote does
not work
22
D
IAGNOSIS
No RF suppression of blower
motors
No RF suppression of switches
Source unit mounted at an
incorrect angle
Source unit not secured properly
(Standard Mount)
Source unit not secured properly
(ISO Mount)
Source unit is not grounded
properly
Noise is radiating into RCA
signal cable
Bad component in the signal
chain
Noise is radiating into the
speaker cables
Multiple grounds in the audio
system
Batteries are weak
Excessive dirt or dust on IR
Remote transmitter lens or unit
receiver lens
IR remote is outside of optimum
transmitting range
High sunlight conditions
Batteries are dead
Batteries are installed incorrectly
R
EMEDY
Connect filter cap (Radio Shack #272-1085)
in-line on B+ near blower motor.
Connect a .1µf – .01µf non-polarized
capacitor across switch contacts
Check mounting angle of source unit (mount
within ±20˚ from horizontal) and repair as
necessary
Check tightness of installation sleeve and back
strap; repair or replace as necessary
Check tightness of mounting screws and repair
or replace as necessary
Check connections and repair wiring as
necessary
Check connections, run the RCA cables on a
route away from sources of high current
Check connections. Bypass all components
between the Source unit and the amplifier.
Connect one component at a time to
determine the culprit. Repair or replace
components as necessary
Disconnect speakers and connect a test
speaker to the output terminals or the source
unit. If noise is gone, reroute the speaker
cables away from sources of high current
Check ground connections and connect
amplifiers, signal processors, and other
components to a central location or try a
different grounding point on the chassis
Check battery condition and replace as
necessary with (2) AAA (1.5 volt) batteries
Clean transmitter and receiver lens (compact
disc logo) with Plexiglas solution and a
non-abrasive cloth as necessary
Operate IR remote within about 15 ft and ±45˚
from horizontal of the Source unit's faceplate
Operate IR remote closer to Source Unit
Check battery condition and replace as
necessary with (2) AAA (1.5 volt) batteries
Check battery installation and fix if needed
(polarity is indicated in battery compartment)