633061
33
Zoom out
Zoom in
Previous page
1/114
Next page
CQ-C7403U/C7303U/C7203U/C7103U
33
English
Customize the Display (Customize Function), Troubleshooting
Troubleshooting
If You Suspect Something Wrong
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
Servicenter. The product should be serviced only by qualified personnel.
Please refer the checking and the 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.
Warning
¡ Do not use the unit in an irregular condition, for
example, without sound, or with smoke or a 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.
Problem
Possible cause
a
Possible solution
Common
No power to the
unit
The power cord (battery, power and ground) is connected in the wrong way.
a Check the wiring.
Fuse blows out.
a 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.
a Set MUTE to OFF.
The wiring of speaker lines are not correct, or a break or poor contact arises.
a Check the wiring in accordance with the wiring diagram. (Installation
Instructions)
Noise
There is an electromagnetic-wave generator such as a cellular phone near the unit or
its electrical lines.
a Keep an electromagnetic-wave generator such as a cellular phone away from
the unit and the wiring of the unit. In case that noise cannot be eliminated
due to the wiring harness of the car, consult your dealer.
The contact of the ground lead is poor.
a Make sure that the ground lead is connected to an unpainted part of the chas-
sis securely.
Noise is made in
step with engine
revolutions.
Alternator noise comes from the car.
a Change the wiring position of the ground lead.
a Mount a noise filter on the power supply.
33


Need help? Post your question in this forum.

Forumrules


Report abuse

Libble takes abuse of its services very seriously. We're committed to dealing with such abuse according to the laws in your country of residence. When you submit a report, we'll investigate it and take the appropriate action. We'll get back to you only if we require additional details or have more information to share.

Product:

For example, Anti-Semitic content, racist content, or material that could result in a violent physical act.

For example, a credit card number, a personal identification number, or an unlisted home address. Note that email addresses and full names are not considered private information.

Forumrules

To achieve meaningful questions, we apply the following rules:

Register

Register getting emails for Panasonic CQ-C7303U at:


You will receive an email to register for one or both of the options.


Get your user manual by e-mail

Enter your email address to receive the manual of Panasonic CQ-C7303U in the language / languages: English, French, Spanish as an attachment in your email.

The manual is 4,9 mb in size.

 

You will receive the manual in your email within minutes. If you have not received an email, then probably have entered the wrong email address or your mailbox is too full. In addition, it may be that your ISP may have a maximum size for emails to receive.

The manual is sent by email. Check your email

If you have not received an email with the manual within fifteen minutes, it may be that you have a entered a wrong email address or that your ISP has set a maximum size to receive email that is smaller than the size of the manual.

The email address you have provided is not correct.

Please check the email address and correct it.

Your question is posted on this page

Would you like to receive an email when new answers and questions are posted? Please enter your email address.



Info