Panasonic CQ-DF203U User Manual

CQ-DFX683/DF583/DF203U

E
N

S
H

E
N

S
H

Troubleshooting

Preliminary Steps

Check and take steps as described in the tables
below.

If You Suspect Something Wrong

Immediately switch the power off.
Disconnect the power connector and check that
there is neither smoke nor heat from the unit before
asking for repairs. Never try to repair the unit your-
self because it is dangerous to do so.

No power.

Trouble

Car’s engine switch is not on.

➡

Turn your car’s ignition switch to ACC or ON.

Troubleshooting Tips

❐ Common

Cables are not correctly connected.

➡

Connect cables correctly.

➡

Connect the battery cable to the terminal that is always active.

➡

Connect the accessory cable to your car’s ACC source.

➡

Connect the grounding wire to a metal part of the car.

No sound.

Mute is set to ON.

➡

Set it to OFF.

Cables are not correctly connected.

➡

Connect cables correctly.

Condensation (dew).

➡

Wait for a while before use.

Caution:
≥

Do not use the unit if it malfunctions or is
something wrong.

≥

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 it and call the
store where you purchased it.

Cause/Step

A mobile phone is used near the unit.

➡

Keep the mobile phone away from the unit.

Noise.

Demonstration mode is ON.

➡

Press [DISP] (display) to cancel demonstration mode.

Audio sound is output
but the display shows
demonstration message.

❐ Radio

Too much noise in FM
stereo and monaural
(AM) broadcasts.

Station is too far, or signals are too weak.

➡

Select other stations of higher signal level.

The radio antenna is not extended enough.

➡

Fully extend the radio antenna.

Battery cable is not correctly connected.

➡

Connect the battery cable to the terminal that is always active.

Preset station is reset.

Trouble

Cause/Step

The motor antenna relay control lead is not connected correctly.

➡

If there is a motor antenna in the car, connect the antenna control
lead to the motor antenna lead that is installed in the car correctly.

Disc is in the CD
compartment but no
sound is made, or disc
is ejected automatically.

Disc is upside down.

➡

Place disc in the correct direction with the label side up.

❐ CD/MP3/WMA

CQ-DF203U

CQ-DF583U

CQ-DFX683U

≥

Disc is dirty.

≥

Disc has scratches.

➡

Clean disc, referring to the section on “Notes on CD/CD Media
(CD-ROM, CD-R, CD-RW)”. (page 45)

Trouble

Cause/Step

A disc that has data other than CD-DA or MP3/WMA type is played.

➡

Discs that have CD-DA or MP3/WMA type data should be used.

A disc that has data other than CD-DA type is played.

➡

Discs that have CD-DA type data should be used.

➡

The unit may not successfully play back a CD-R/RW that is made in
combination of writing software, a CD recorder (CD-R/RW drive)
and a disc which are incompatible one another. Refer to
instructions for the concerned devices for details.

CQ-DFX683U

CQ-DF583U

CQ-DF203U

Fuse is burnt out.

➡

Call the store where you purchased the unit, or your nearest
Servicenter (see the attached sheet) and ask for fuse replacement.

The model CQ-DF203U does not support MP3/WMA playback.

The unit’s grounding wire is not connected securely.

➡

Check the metal areas of the car body (chassis), and connect the
grounding wire more securely.

The ground connection of the radio antenna is not secure enough.

➡

Check the ground connection of the mounted base part of the
antenna, and tighten up the screw.