Troubleshooting - Panasonic CQ-DF601U Operating Instructions Manual

Troubleshooting

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Preliminary Steps
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Check and take steps as described in the tables below.
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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 yourself because it is dangerous to
do so.
Troubleshooting Tips
Common
Trouble
Car's engine switch is not on.
Turn your car's ignition switch to ACC or ON.
Cables are not correctly connected.
Connect cables correctly.
Battery cable is not correctly connected.
Connect the battery cable to the terminal that is always live.
No power.
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 (see the attached sheet) and ask for fuse replacement.
Mute is set to ON.
Set it to OFF.
Cables are not correctly connected.
No sound.
Connect cables correctly.
Condensation (dew)
Wait for a while before use.
The display shows "display and light off".
Only sound, no display.
Press [DISP] to change the display.
A mobile phone is used near the unit.
Noise.
Keep the mobile phone away from the unit.
≥ Buttons unusable.
Demonstration mode is ON.
≥ Audio sound is not
Press [DISP] to cancel demonstration mode.
matched on the
mode display.
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CQ-DF801/DFX701/DF601U
Cautions:
≥ Do not use the unit if it malfunctions or
is something wrong.
≥ Do not use the unit in abnormal condi-
tion, for example, without sound, or
with smoke or foul smell, can cause ig-
nition or electric shock. Immediately
stop using it and call the store where
you purchased it.
Cause/Step
Radio
Trouble
Station is too far, or signals are too weak.
Much noise in FM stereo
Select other stations of higher signal level.
and monaural broad-
The radio antenna is not extended enough.
casts.
Set the radio antenna enough.
Battery cable is not correctly connected.
Preset station is reset.
Connect the battery cable to the terminal that is always live.
CD
Trouble
CD is upside down.
Place CD in the correct direction, and the label side up.
CD is in the CD compart-
ment but no sound is
CD is dirty.
made, or CD is ejected
Clean CD, referring to the section on "Notes on CD".
automatically.
3z (8 cm) disc is ejected automatically.
CD sound skips, tone CD is dirty.
quality is low. Clean CD, referring to the section on "Notes on CD".
Mounting angle is over 30o.
Adjust mounting angle to less than 30o.
Sound skips due to vi-
bration.
Instable mounting.
Mount the unit securely with the mounting parts, referring to the
section on installation.
≥ CD is defective.
≥ Mechanical trouble.
CD is not ejected. Press [OPEN] to open the panel and press [<] (EJECT). If normal
operation is not restored yet, call the store where you purchased
the unit or the nearest service station to ask for repairs.
Sound Setting
Trouble
Left and right balance, or front and rear balance is off on one side.
No sound from left,
Adjust BAL/FAD mode as appropriate.
right, front or rear
Cables are not correctly connected.
speakers.
Connect the cables correctly.
Left and right sounds are The right speaker wire is connected to the left speaker and the left
reversed in stereo lis- speaker wire to the right speaker.
tening. Connect the speaker wires to the correct ones.
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Cause/Step
Cause/Step
Cause/Step
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CQ-DF801/DFX701/DF601U