Panasonic CQ-CB9900U - Manual (Page 22)

42
CQ-CB9900U CQ-CB9900U
43
Troubleshooting
(continued)
CD/MP3/WMA
Problem Possible cause Possible solution
No playback or disc
ejected The disc is inserted upside down. Insert a disc correctly.
There is a fl aw or foreign objects
on the disc. Remove the foreign objects, or use a
fl awless disc.
The disc has unplayable formatted
data. Refer to the description about
MP3/WMA for playable sound data
except CD-DA (i.e. music CD).
The unit plays back the ROM track
of a mix mode CD. Skip the ROM track.
The CD-R/RWs that
are playable on
other devices are not
playable on this unit. The playability of some CD-R/RWs
may depend on the combination
of media, recording software
and recorder to be used even if
these CD-R/RWs are playable on
other devices such as a personal
computer. Make CD-R/RWs in different
combination of media, recording
software and recorder after referring
to the description about MP3/WMA.
Sound skipping or
noise There is a fl aw or foreign objects
on the disc. Remove the foreign objects, or use a
fl awless disc. For MP3/WMA, refer to
the description about MP3/WMA.
Sound skipping due to
vibration The unit is not suffi ciently secured. Secure the unit to the console box
with the rear support strap, etc.
The unit is tilted at over 30° in the
front-to-end direction. Make the angle 30° or less.
Disc unejectable A label is peeled off from the CD in
the unit. Refer repair to the dealer where you
purchased the unit.
The microcontroller in the unit
operates abnormally due to noise
or other factors. Unplug the power cord and plug it
again. In case the unit is still out of
order, consult the dealer.
Note:
≥ Refer to the section on “Notes on MP3/WMA” (page 26).
No digital sound is
output. There are no HD radio broadcast
stations.
Analog mode is selected.
Radio
Problem Possible cause Possible solution
The number of auto
preset stations are
less than 6. The number of receivable stations
are less than 6. Move to an area where receivable
stations number is maximum, and try
presetting.
Preset stations cannot
be stored. The contact of the battery lead is
poor, or the battery lead is not
always powered. Make sure that the battery lead is
connected securely, and preset
stations again.
Poor reception or
noise Antenna installation or wiring of
antenna cable is faulty. Check whether the antenna mounting
position and its wiring are correct.
In addition, check to see whether the
antenna ground is securely connected
to the chassis.
No power is supplied to the
antenna amplifi er (when using a
fi lm antenna, etc.). Check the wiring of the antenna
battery lead.
Unsatisfactory broadcast
conditions Receive and listen to the signals from
the station concerned in the analog
mode.
Seeking takes too
long. Digital seeking may take some
time. Change to auto seeking, and proceed
with seeking again.
Move to an area where HD radio can
be received.
Select AUTO mode.