English

Troubleshooting

 

 

 

 

 

 

If You Suspect Something Wrong

Warning

 

 

31 Check and take steps as described below.

 Do not use the unit in abnormal condition, for

 

If the described suggestions do not solve the problem, it is

example, without sound, or with smoke or foul

 

 

English

Common (continued)

Problem

Possible cause Possible solution

32

recommended to take the unit to your nearest authorized

smell, which can cause ignition or electric shock.

Immediately stop using the unit and consult your

Panasonic Servicenter. The product should be serviced only

dealer.

by qualified personnel. Please refer checking and repair to

 Never try to repair the unit by yourself because it

professionals.

is dangerous to do so.

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.

Poor reception or noise. TV stations cannot be received.

The power of the unit fails unintentionally.

DIVER (Diversity) antenna setting is set to “OFF”.

Set “ON” to receive a good reception.

Antenna installation or wiring of antenna cable is faulty.

Check whether the antenna mounting position and its wiring are correct. In addition, check to see whether the antenna ground is securely connected to the chassis.

The safety device works.

Consult your dealer, or your nearest Panasonic Servicenter.

Common

Problem

No power to the unit.

Noise.

Possible cause Possible solution

The power cord (battery, power control 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.

There is an electromagnetic-wave generator such as a cellular phone near the unit or its electrical lines.

The number of auto preset channels is less than 12.

Preset channels cannot be stored.

The number of receivable stations is less than 12.

Move to an area where receivable channels number is maximum, and try presetting.

Confirm the operation of the presetting, and preset channels again.

The contact of the battery lead is poor, or the battery lead is not always powered.

Make sure that the battery lead is connected securely, and preset channels again.

Noise is made in step with engine revolutions.

Some operations are not executable.

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.

Alternator noise comes from the car.

Change the wiring position of the ground lead.

Mount a noise filter on the power supply.

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.

Remote Control Unit

Problem

No response to pressing buttons.

Possible cause Possible solution

The battery is inserted in the wrong direction. A wrong battery is inserted.

Insert a correct battery in the correct direction.

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 Head Unit and press buttons.

The wiring is in the wrong way.

Check the wiring of the Head Unit/Expansion Module connecting cable when the Head Unit is CQ-VD7003U, CQ-VD6503U (option).

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.

32

 

CY-TUN153U

CY-TUN153U

 

33

 

 

 

 

 

 

Page 17
Image 17
Panasonic CY-TUN153U warranty Troubleshooting, Common, Problem Possible cause  Possible solution,  Check the wiring