No play.
No sound or there
is a lot of noise.
Play doesn’t
resume from the
last point stopped.
Play doesn’t start
from the first
track.
Cannot search
through tracks.
Cannot specify
point A or B.
Cannot change the
Digital Re-master
mode, anti-skip
mode.
Digital Re-master
does not work.
Cannot skip
albums.
The battery
indicator fails to
appear or is
incorrect.
The unit stops
working.
Power cuts off.
1
The HOLD function is on. Cancel HOLD (page 5).
The batteries may be depleted (page 5).
The disc isn’t correctly set.
The disc is scratched or dirty. (Tracks may be skipped
particularly with MP3 discs.)
There is moisture on the lens. Wait for about an hour
and then try again.
The lens is dirty: clean it with a blower (recommended
product: SZZP1038C). If the lens gets marked with
fingerprints, gently wipe them off with a cotton swab.
The unit may not read a track properly if shaken
strongly during disc reading.
If there is no data between sessions on a multi-session
disc, play may not be possible.
If there is a large amount of JPEG data etc. within a
MP3 file, sound may be muted and play may not be
possible.
If the disc contains data with different formats, sound
may be muted and play may not be possible.
If a CD-ROM format disc contains MP3 and other files,
only the MP3 files will be playable.
Ensure the plugs are inserted firmly.
Wipe the plugs with a clean cloth.
The disc is scratched or dirty.
The sound may be interrupted or there may be noise
when playing MP3 if the recording quality is poor.
The elapsed play time disappears and sound is
interrupted if bumps continue repeatedly.
Separate the unit from mobile telephones.
This doesn’t work during random play.
It may not work correctly under some conditions.
Model No.

SL-SX450

SL-SX451C

Dear Customer
Thank you for purchasing this product.
Before connecting, operating or adjusting this product, please read
these instructions completely.
Please keep this manual for future reference.
RQT8037-P
F1104TR0
PPC p
Operating Instructions

Portable CD Player

Troubleshooting guide

Before requesting service, make the following checks. If you are in doubt about some of the check points, or if the solutions indicated in the chart do not solve the
problem, refer to the “Customer Services Directory” on page 3 if you reside in the U.S.A., or refer to the “Product information” on page 3 if you reside in Canada.
Random play modes may be on (page 6).
Play resumes from where last stopped (page 5, Play).
(If the lid is opened while the unit is turned off, the
resume function may not be cancelled.)
You cannot search through a disc with MP3 files.
You may not be able to specify point A or B at the end of
a disc.
If [:] or [9] is pressed before [MEMO] you
cannot change the mode.
Depending on the type of MP3 disc recording, the effect
may not appear.
You cannot skip from the last to first album, or vice
versa, during play.
The indicator does not appear when the AC adaptor is
connected.
The indicator may not appear correctly under certain
conditions.
Disconnect then reconnect all power sources (batteries
and AC adaptor).
If you connect or disconnect the AC adaptor, the power
cuts off even if batteries are inserted.
Panasonic Puerto Rico, Inc.
Ave. 65 de Infantería, Km. 9.5 San Gabriel Industrial Park, Carolina,
Puerto Rico 00985
Panasonic Canada Inc.
5770 Ambler Drive, Mississauga, Ontario L4W 2T3 www.panasonic.ca
C 2004 Matsushita Electric Industrial Co., Ltd.
Printed in China
Panasonic Consumer Electronics Company,
Division of Panasonic Corporation of North America
One Panasonic Way Secaucus, New Jersey 07094 http://www.panasonic.com