Panasonic CQ-CM130U - Manual (Page 18)

Troubleshooting
Trouble Check point
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.
Common
Frequent
noise
● Tune in to another station of high-inten-
sity waves.
● Make sure that the antenna mounted
point is grounded properly.
Radio
Preset data
deleted
● The preset memory is cleared to return
to the original factory setting when the
power connector or battery is discon-
nected.
No sound, or disc
is automatically
ejected
● Load the disc correctly.
● Clean the disc.
Sound skip
due to
vibration
● The maximum permissible tilt angle is
30°.
● Secure the unit.
Disc
unejectable
● Press [
u
]. If the disc is still not ejected,
contact the nearest Panasonic
Servicenter.
No sound from
left, right, front,
or rear speaker
● Adjust the balance and fader.
● Verify the wiring.
Trouble Check point
Left and right
sounds are
reversed
● Connect the speaker lead correctly.
Error Display Messages
(The disc is ejected automatically.)
The disc is dirty, or is upside down.
The disc has scratches.
● Check the disc.
No operation by some cause.
● If normal operation is not restored, con-
sult your dealer or the nearest
Servicenter to ask for repairs.
Cannot read the file
● Check the file.
If You Suspect Something Wrong
Check and take steps as described below.
If the described suggestions do not solve the problem, it is recom-
mended to take the unit to your nearest authorized Panasonic
Servicenter. The product should be serviced only by qualified person-
nel. 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 for those other than indicated by
italic letters in “Check point” described below because those are
too dangerous for users to handle themselves.
Warning
¡ Do not use the unit in an irregular condition, for example, with-
out 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.
Microphone
volume is too
low, or noise
level is too high.
● Get close the distance between the
announcer and the microphone.
Microphone
Microphone
sound is too
loud, or
distortion level
is too high.
● Decrease the microphone volume.
Howling is
generated.
● Keep proper distance between the
microphone and the speaker.
No microphone
sound.
● Disable the mute function.
● Increase the microphone volume.
● Verify the connection/wiring of the
microphone unit.
Disc Player
Sound skip,
poor sound
quality
● Clean the disc.
–18–