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39
Troubleshooting
If You Suspect Something is Wrong
Check and take steps as described below. If the described suggestions do not solve the
problem, contact Lectronix, Inc (see Appendix B). Only qualified personnel should service the
product. Always refer diagnostics and repair to professionals. Lectronix, Inc. shall not be liable
for any accidents arising out of neglect or attempts to repair the unit.
Warning
Do not use the unit if you suspect faulty operation. Never try
to repair the unit by yourself
.
Common Problems
The following tables provide possible solutions to common system problems.
Problem
Possible Cause
Possible Solution
No power to the unit
The power cord (battery, power and
ground) is connected improperly
Check the wiring.
No Sound
Mute is set to on.
Set mute to off. Push the volume
knob momentarily.
No Sound
The speaker lines are not wired
correctly, or there is a break or poor
contact
Check the wiring in accordance
with the wiring diagram.
(Installation Instructions)
Noise
The contact of the ground lead is
poor.
Make sure that the ground lead is
securely connected to an
unpainted part of the chassis.
Noise is made in
step with engine
revolutions
Alternator noise comes from the
vehicle.
Change the wiring position of the
ground lead.
Mount a noise filter on the power
supply.
Some operations are
not executable
Some operations are not executable
in particular modes such as menu
mode
Read the operating instructions
carefully and cancel the mode. If
the unit is still out of order, consult
your dealer.
The speaker
channels are
reversed between
right and left
The plus and minus terminals at right
and left channels of speakers are
reversed.
Consult the wiring diagram and
correct wiring problems.
Radio Problems
Problem
Possible Cause
Possible Solution
Poor reception
or noise
Antenna installation or wiring of the
antenna cable is faulty.
Check whether the antenna mounting
position and its wiring are correct.
Содержание Navion R5000
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