Panasonic CQ-RX400U - Manual (Page 23)

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If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is
recommended to take the unit to your nearest authorized Panasonic
Servicenter. The product should be serviced only by qualifi ed
personnel. Please refer the checking and the repair to professionals.
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.
Troubleshooting
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 electric 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
No power
• Start the engine. (Or turn the ignition
switch to the ACC position.)
• Verify the wiring. (battery lead, power
lead, ground lead, etc.)
• Fuse blown (Contact the nearest Panasonic
Servicenter.)
• Ask a professional for fuse replacement.
• Be sure to use the same rated fuse.
No sound
• Disable the mute function.
• Verify the wiring.
• Wait until the dew disappears before
turning on the unit.
Noise
• Make sure that grounding is established
properly.
No sound from
left, right, front,
or rear speaker • Adjust the balance and fader.
• Verify the wiring.
Left and right
sounds are
reversed • Connect the speaker lead correctly.
Disc Player
No sound,
or disc is
automatically
ejected • Load the disc correctly.
• Clean the disc.
Sound skip,
poor sound
quality • Clean the disc.
Sound skip due
to vibration
• The maximum permissible tilt angle is
30°.
• Secure the unit.
Disc not
ejectable
• Press [ ]. If the disc is still not ejected,
contact the nearest Panasonic Servicenter.
Trouble Possible Solution Trouble Possible Solution
Radio
Frequent noise
• Tune in to another station of high-intensity
waves.
• Make sure that the antenna mounted point
is grounded properly.
Preset data
deleted
• The preset memory is cleared to return
to the original factory setting when
the power connector or battery is
disconnected.
Error Display Messages (Disc Player)
(The disc is ejected automatically.)
The disc is dirty or upside down.
• Check the disc.
(The disc is ejected automatically.)
The disc has scratches.
• Check the disc.
No operation by some cause.
• If normal operation is not restored,
consult your dealer or the nearest
Servicenter to ask for repairs.
Cannot read the fi le
• Check the disc.
WMA/AAC fi le can be copyrighted.
• The fi le protected by copyright is not
playable.
\CQ-RX400U\ \CQ-RX200U\
Note: Refer to the System Upgrade Guidebook for error messages
regarding optional products.