Panasonic CQ-C7405W Operating Instructions Manual page 34

Troubleshooting (continued)
No playback or
disc ejected
Sound skipping or
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 is heard with
"RE-MASTER" at
No response to
pressing buttons
34
CQ-C7405W
Problem
The disc is inserted upside down.
a Insert a disc correctly.
There is a flaw or foreign material on the disc.
a
Remove the foreign material, or use a flawless disc.
There is a flaw or foreign material on the disc.
noise a Remove the foreign material, or use a flawless disc.
The unit is not sufficiently secured.
a
Secure the unit to the console box.
The unit is tilted at over 30˚ in the front-to-end direction.
a Make the angle 30˚ or less.
Something such as a peeled label obstructs the disc coming out.
a
Press and hold the [ u OPEN] for more than 2 seconds when the face plate is
open (disc forced ejection). In case that the disc forced ejection does not
work, consult your dealer.
The microcontroller in the unit operates abnormally due to noise or other factors.
a
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.
a
Check the file format.
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.
a
Make CD-R/RWs in different combination of media, recording software and
recorder after referring to the description about the compressed audio player.
There is a flaw or foreign material on the disc.
a
Remove the foreign material, or use a flawless disc.
noise
Playing VBR (Variable Bit Rate) files may cause sound skipping.
a
Play Non-VBR files.
With some CDs, noise may be heard in the treble range when playing compressed
audio files into which the CD tracks were encoded with "RE-MASTER" enabled.
a
"ON" If noise is heard, set "RE-MASTER" to "OFF".
The battery is inserted in the wrong direction. A wrong battery is inserted.
aInsert a correct battery in the correct direction.
The battery is weak.
aReplace the battery with new one.
The aiming direction of the remote control unit is wrong.
aAim the remote control unit at the sensor of the unit and press buttons.
The sensor is exposed to direct sunlight. (The remote control unit may not be
operable when the sensor is exposed to direct sunlight. In such a case, the
system is not faulty.)
aBlock off sunlight to the sensor.
Possible cause a Possible solution