Panasonic CQ-C500U Operating Instructions Manual page 26

Troubleshooting
No playback or disc
ejected
Sound skipping or
noise
Sound skipping due to
vibration
Disc unejectable
No playback or disc
ejected
The CD-R/RWs that
are playable on
other devices are not
playable on this unit.
Sound skipping or
noise
The noise is heard
with "RE-MASTER" at
"ON".
26
CQ-C500U
Problem
The disc is inserted upside down.
 Insert a disc correctly.
There is a flaw or foreign material on the disc.
 Remove the foreign material, or use a flawless disc.
There is a flaw or foreign material on the disc.
 Remove the foreign material, or use a flawless disc.
The unit is not sufficiently secured.

Secure the unit to the console box.
The unit is tilted at over 30˚ in the front-to-end direction.
 Make the angle 30˚ or less.
Something such as a peeled label obstructs the disc coming out.
 Consult your dealer.
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 your dealer.
The disc has unplayable formatted data.
 Refer to the description about MP3/WMA/AAC for playable sound data
except CD-DA (i.e. music CD).
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 PC.

Make CD-R/RWs in different combination of media, recording software and
recorder after referring to the description about MP3/WMA/AAC.
There is a flaw or foreign material on the disc.
 Remove the foreign material, or use a flawless disc. For MP3/WMA/AAC,
refer to the description about MP3/WMA/AAC.
Playing Variable Bit Rate (VBR) files may cause sound skipping.
 Play Non-VBR files.
With some CDs, noise may be heard in the treble range when playing the MP3/
WMA/AAC files created from those CDs with "RE-MASTER" at the "ON" setting.
 If noise is heard, set "RE-MASTER" to "OFF".
Possible cause Possible solution
