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Panasonic cq-df802w User Manual

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Troubleshooting
Preliminary Steps
Check and take steps as described in the tables below.
If You Suspect Something Wrong
Immediately switch power off.
Disconnect the power connector and check that there is nei-
ther smoke nor heat from the unit before asking for repairs.
Never try to repair the unit by yourself because it is danger-
ous 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.
Battery cable is not correctly connected. 
➡
Connect the battery cable to the terminal that is always active.
Accessory cable is not correctly connected. 
➡
Connect the accessory cable to your car’s ACC source.
Grounding wire is not correctly connected. 
➡
Connect the grounding wire to a metal part of the car.
Fuse is burnt.
➡
Call the store where you purchased the unit, or your nearest service
station and ask for fuse replacement.
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
if there is something wrong.
≥
Do not use the unit in abnormal condi-
tion, for example, without sound, or if it
emits smoke or a foul smell, which can
cause ignition or electric shock.
Immediately stop using the unit 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.
DISPLAY
The display shows
demonstration message.
Sound skips, bad sound
quality (e.g. caused by
noise).
Disc is in the CD com-
partment 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
≥
Disc is dirty.
≥
Disc has scratches.
➡
Clean disc, referring to the section on “Notes on CD/CD Media 
(CD-R, CD-RW)”.
≥
Disc is dirty.
≥
Disc has scratches.
➡
Clean disc, referring to the section on “Notes on CD/CD Media 
(CD-R, CD-RW)”.
Trouble
Cause/Step
❐ Radio
Too much noise in FM
stereo and monaural
broadcasts.
Station is too far, or signals are too weak.
➡
Select other stations of higher signal level.
The radio antenna is not extended enough.
➡
Extend fully 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
8 cm disc is ejected automatically.
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 instruc-
tions for the concerned devices for details.
➡
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 instruc-
tions for the concerned devices for details.
The motor antenna relay control lead is not connected correctly.
➡
If there is a motor antenna in the car, connect the motor antenna
relay control lead to the motor antenna lead that is installed in the
car correctly.