E N G L I

Troubleshooting

S

H

31

If You Suspect Something Wrong

Check and take steps as described below.

If the described suggestions do not solve the problem, it is rec- ommended 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 profes- sionals. 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 elec- tric 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.

■ Common

Problem

 

Possible cause a Possible solution

 

 

 

 

 

The power cord (battery, power and ground) is connected in the wrong way.

 

 

aCheck the wiring.

No power to the unit

 

 

 

Fuse blows out.

 

 

 

 

aEliminate the cause of fuse blowout and replace the fuse with new one.

 

 

Consult your dealer.

 

 

 

 

 

MUTE is set to ON.

Sound is not generat-

 

aSet MUTE to OFF.

 

 

 

The wiring of speaker lines is not correct, or a break or poor contact arises.

ed.

 

 

 

aCheck the wiring in accordance with the wiring diagram. (Installation

 

 

Instructions)

 

 

 

 

 

There is an electromagnetic-wave generator such as a cellular phone near the

 

 

unit or its electrical lines.

 

 

aKeep the electromagnetic-wave generator such as a cellular phone

Noise

 

away from the unit and the wiring of the unit. If noise cannot be elimi-

 

nated due to the wiring harness of the car, consult your dealer.

 

 

 

 

 

The contact of the ground lead is poor.

 

 

aMake 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.

with engine revolu-

 

aChange the wiring position of the ground lead.

tions.

 

aMount a noise filter on the power supply.

 

 

 

 

 

 

Some operations are

 

Some operations are not executable in particular modes such as menu mode.

 

aRead the operating instructions carefully and cancel the mode. If the

not executable.

 

 

unit is still out of order, consult your dealer.

 

 

 

 

 

32

CQ-C5403U/C5303U

Page 31 Page 33
Page 32
Image 32
Panasonic CQ-C5403U, C5303U warranty Troubleshooting, Common
Page 31 Page 33

C5303U, CQ-C5403U specifications

The Panasonic CQ-C5403U and CQ-C5303U are two advanced car audio head units that combine exceptional sound quality with a wide range of features, making them ideal choices for audiophiles and casual listeners alike. Their sleek designs and user-friendly interfaces reflect Panasonic's commitment to providing an enhanced driving experience.

One of the standout features of both models is their support for MP3, WMA, and AAC audio formats. This ensures that users can enjoy their favorite music without being limited by file type restrictions. The units also come with a CD player, providing versatile playback options for those who prefer physical media. Furthermore, they boast a built-in radio tuner with enhanced reception capabilities, allowing users to enjoy their favorite stations even in areas with poor signal quality.

Sound quality is a top priority for Panasonic, and these models do not disappoint. They feature a 24-bit digital-to-analog converter, which significantly improves audio clarity and fidelity. Additionally, the adjustable 5-band equalizer allows users to customize sound settings to suit their preferences, ensuring an optimized listening experience for any genre of music. The CQ-C5403U even comes equipped with a 2-way crossover and high- and low-pass filters, providing even more control over audio output.

Connectivity is another strong suit for both units. They feature a front auxiliary input, making it easy to connect portable devices like smartphones and MP3 players. The CQ-C5403U includes a USB input, allowing for direct playback from USB flash drives, which can store a vast library of songs. Bluetooth capability is available in the CQ-C5403U model, enabling hands-free calling and streaming music wirelessly, thus ensuring that drivers can stay connected while focusing on the road.

The visual display of both models is designed for clarity and ease of use. The LCD screen provides essential information about the current track, radio station, or connected device, while the user-friendly controls make navigation straightforward. Backlit buttons enhance visibility in low-light conditions, ensuring that drivers can operate the unit safely at night.

In summary, the Panasonic CQ-C5403U and CQ-C5303U are robust car audio solutions that provide an array of features tailored to enhance the in-car listening experience. With their high-quality audio output, versatile playback options, and modern connectivity features, these head units cater to all types of music lovers, making them an excellent addition to any vehicle.
Top Page Image Contents