Panasonic CQ-RX400U ユーザーズマニュアル

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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.