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manual abstract
E
E
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G
Troubleshooting
G
L
L
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S
S
H
Preliminary Steps
Problem
Possible cause
Possible solution
H
Caution:
≥
37
Do not use the unit if it malfunctions or if
Check and take steps as described in the tables below.
38
Noise
There is an electromagnetic-wave
Keep an electromagnetic-wave
there is something wrong.
≥
generator such as a cellular phone
generator such as a cellular phone
Do not use the unit in abnormal condition,
If You Suspect Something Wrong
near the unit or its electrical lines.
away from the unit and the wiring of
for example, without sound, or with smoke
the unit. In case the noise cannot be
Immediately switch the power off.
or foul smell, which can cause ignition or
eliminated due to the wiring harness
Disconnect the power connector and check that there is
electric shock. Immediately stop using it and
of the car, consult your dealer.
neither smoke nor heat from the unit before asking for
call the store where you purchased it.
repairs. Never try to repair the unit by yourself because it
The contact of the ground lead is
Make sure that the ground lead is
is dangerous to do so.
poor.
connected to an unpainted part of the
chassis securely.
Troubleshooting Tips
Common
Noise is made in
Alternator noise comes from the
Change the wiring position of the
step with engine
car.
ground lead.
Problem
Possible cause
Possible solution
revolutions.
Mount a noise fi lter on the power supply.
No power to the unit.
The power cord (battery, ACC and
Check the wiring.
No sound from
Balance/fader setting is not
Readjust balance/fader.
ground) is connected in the wrong
speaker(s)
appropriate.
way.
There is a break, a short circuit,
Check the speaker wiring.
Fuse blow out.
Eliminate the cause of fuse blow out
poor contact or wrong wiring
and replace the fuse with new one.
regarding the speaker wiring.
Consult your dealer.
Some speakers are out of order.
Replace the speaker with new one.
The Power fails
The safety device works.
Call the store where you purchased
unintentionally.
the unit, or your nearest Panasonic
The speaker channels
The speaker wiring is confused
Perform the speaker wiring in
Servicenter.
are reversed between
between right and left.
accordance with the wiring diagram.
right and left.
Sound is not
MUTE is set to ON.
Set MUTE to OFF.
generated.
Radio
The wiring of the speaker lines
Check the wiring in accordance with
are not correct, or a break or poor
the wiring diagram.
Problem
Possible cause
Possible solution
contact arises.
Poor reception or
Antenna installation or wiring of
Check whether the antenna mounting
The demonstration
You cannot operate the unit while
Press [DISP] (display) to end the
noise
antenna cable is faulty.
position and its wiring are correct.
screen displayed and
the demonstration screen appears.
demonstration screen.
In addition, check to see whether the
no operable.
antenna ground is securely connected
If the demonstration screen
Check the battery wiring in accordance
to the chassis.
appears frequently, there is a
with the wiring diagram.
possibility that poor contact or
No power is supplied to the
Check the wiring of the antenna
wrong wiring arises between the
antenna amplifi er (when using a
battery lead.
battery lead of the unit and the
fi lm antenna, etc.).
battery cable of the car.
(The battery lead should be always
The number of auto
The number of receivable stations
Move to an area where receivable
powered.)
preset stations are
are less than 6.
stations number is maximum, and try
less than 6.
presetting.
Some operations are
Some operations are not executable Read the operating instructions
not executable.
in particular modes such as menu
carefully and cancel the mode. In case
Preset stations cannot
The contact of the battery lead is
Make sure that the battery lead is
mode.
the unit is still out of order, consult the
be stored.
poor, or the battery lead is not
connected securely, and preset
dealer.
always powered.
stations again.
56
CQ-C9800/9700U
CQ-C9800/9700U
57
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Car Receivers - CQC9800U (63.37 kb)