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Troubleshooting
If You Suspect Something Wrong
37
Check and take steps as described below.
If the described suggestions do not solve the problem, it is
recommended to take the unit to your nearest authorized
Panasonic Service Center. The product should be serviced
only by qualifi ed personnel. Please refer checking and repair to
professionals.
Panasonic shall not be liable for any accidents arising out
of neglect of checking the unit or your own repair after your
checking.
Never take measures especially those other than indicated by
italic letters in "Possible solution" described below because
those are too dangerous for users to handle themselves.
Common
Problem
No power to the unit.
The power cord (battery, power and ground) is connected in the wrong way.
Check the wiring.
Fuse blows out.
Eliminate the cause of fuse blowout and replace the fuse with new one. Consult
your dealer.
Sound is not generated.
MUTE is set to ON.
Set MUTE to OFF.
The speaker setting is set to "OFF".
Set the speaker setting to "AUTO" or "NAVI".
Noise.
There is an electromagnetic-wave generator such as a cellular phone near the unit or
its electrical lines.
Keep the electromagnetic-wave generator such as a cellular phone away from
the unit and the wiring of the unit. If noise cannot be eliminated due to the wiring
harness of the car, consult your dealer.
The contact of the ground lead is poor.
Make sure that the ground lead is connected to an unpainted part of the chassis
securely.
Noise is made in step
Alternator noise comes from the car.
Change the wiring position of the ground lead.
with engine revolutions.
Mount a noise fi lter on the power supply.
Some operations are not
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
executable.
out of order, consult your dealer.
The power of the unit
The safety device works.
Consult your dealer, or your nearest Panasonic Service Center.
fails unintentionally.
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CY-VM7203W
Warning
Do not use the unit in abnormal condition, for
example, without sound, or with smoke or foul
smell, which can cause ignition or electric shock.
Immediately stop using the unit and consult your
dealer.
Never try to repair the unit by yourself because it
is dangerous to do so.
Possible cause Possible solution
Car Navigation, VCR, Camcorder, Rear View Camera, Rear Monitor
The picture from a Car
The connection of a Car Navigation System is not correct.
Connect it correctly.
Navigation System is not
displayed.
Input setting of a Car Navigation System is not correct.
Correct the input setting.
The picture from a VCR
A VCR or a Camcorder is not connected correctly.
Connect a VCR or Camcorder correctly.
or Camcorder is not
displayed.
The picture from a Rear
Rear View Camera is not connected correctly.
Connect a Rear View Camera correctly.
View Camera is not
displayed.
Input setting of a Rear View Camera is not correct.
Correct the input setting.
Display Settings
The brightness of the
"AUTO" dimmer is selected.
Select one of the dimmer levels from among 1 to 4 to make the dimmer
screen is not stable.
adjustment become free from light intensity.
The picture is dark.
The screen is not adjusted properly.
Make every adjustment of the screen.
The picture is whitish.
Something is wrong with
the picture. The picture
is light in color.
The display does not go
The monitor stops on the way to the home position.
Press [OPEN] (CLOSE).
back into the unit.
Red, blue, or green
This is a characteristic of liquid crystal panels and is not a problem.
spots appears.
Remote Control Unit
No response to pressing
The battery is inserted in the wrong direction. A wrong battery is inserted.
Insert a correct battery in the correct direction.
buttons.
The battery is weak.
Replace the battery with new one.
The aimimg direction of the remote control unit is wrong.
Aim the remote control unit at the sensor of the unit and press buttons.
The sensor is exposed to direct sunlight. (The remote control unit may not be operable
when the sensor is exposed to direct sunlight, In such a case, the system is not
faulty.)
Block off sunlight to the sensor.
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