Panasonic SL-SX420

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Before requesting service, make the below checks. If you are in doubt about some of the check points, or if the remedies indicated in the chart do not solve the problem:
In the U.S.A., contact the Panasonic Customer Call Center at 1-800-211-7262, or e-mail consumerproducts@panasonic.com, or web site (http://www.panasonic.com).
In Canada, contact Panasonic Canada Inc. Customer Care Centre at 905-624-5505, web site (www.panasonic.ca), or an authorized Servicentre close to you.
Troubleshooting guide
No sound or there is a
lot of noise.
No play.
≥The HOLD function is on (
➪
page 4).
≥The disc isn’t correctly set.
≥The disc is scratched or dirty.(Tracks skipped.)
≥The unit may not read MP3 correctly if it is shaken while it is
reading the files.
≥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.
≥You may not be able to play MP3 if you have copied a multi-
session disc that has no data between sessions.
≥Ensure the plugs are inserted firmly.
≥Wipe the plugs clean with a clean cloth.
≥Noise may occur when playing MP3 if recording quality is poor.
≥The elapsed playing time disappears and sound is interrupted
if bumps continue repeatedly.
≥Separate this unit from mobile telephones.
Play doesn’t resume
from the track where
play stopped at.
≥This doesn’t work if you change discs.
≥This doesn’t work during random play.
≥It may not work correctly under some conditions.
Play doesn’t start
from the first track.
≥Random play modes may be on (
➪
page 6).
≥Play resumes from the track where you last stopped play. Use
skip to return to the first track.
Use only the included remote control to operate this unit.
This is normal.
≥
This may occur after the first time you recharge the batteries or
after you haven’t used them for a long time. Play time should be
restored after a few recharges.
≥The batteries can go flat if you leave the AC adaptor
connected after recharging is complete.
≥You aren’t using the special rechargeable batteries (
➪
page 5).
≥You must insert two batteries before you can recharge them.
≥The unit must be off before you can recharge.
≥
The indicator does not appear when the AC adaptor is connected.
≥The indicator does not appear correctly under some
conditions.
Play time is short
after recharging.
The battery indicator
fails to appear or is
incorrect.
Cannot recharge.
The AC adaptor becomes
warm during recharging.
Play time is very short
even after recharging.
The batteries have reached the end of their service life. Usually
they can be recharged 300 times.
1
The unit stops
working.
Disconnect then reconnect all power sources (batteries and AC
adaptor).
The batteries may take a maximum of 4 hours to recharge
under some conditions.
The batteries are taking
a long time to recharge.
The remote control
malfunctions.
The model number and serial number of
this product can be found on either the
back or the bottom of the unit.
Please note them in the space provided
below and keep for future reference.
MODEL NUMBER
SERIAL NUMBER
This manual was printed with soy based ink.
Panasonic Canada Inc.
5770 Ambler Drive, Mississauga, Ontario L4W 2T3 www.panasonic.ca
C 2002 Matsushita Electric Industrial Co., Ltd.
Printed in Japan
RQT6795-P
F1002KK0
Cannot search
through tracks.
You cannot search through MP3 files.
Cannot skip albums. You cannot skip between the first and last albums during play.
Display
( The HOLD function is on (
➪
page 4).
)
≥You haven’t inserted a disc or it isn’t inserted correctly.
≥You have inserted a disc this unit cannot play.
* The disc lid is open.
' Full: The program already contains 20 tracks.
Reading MP3 files.
SL-SX420
Panasonic Consumer Electronics Company,
Division of Matsushita Electric Corporation of America
One Panasonic Way Secaucus, New Jersey 07094 http://www.panasonic.com
Panasonic Sales Company,
Division of Matsushita Electric of Puerto Rico, Inc. (“PSC”)
Ave. 65 de Infantería, Km. 9.5 San Gabriel Industrial Park, Carolina, Puerto Rico 00985
p
Be sure to connect other equipment through the remote
control. Speakers connected directly to the unit should have an
impedance of 1 k≠ or less.
The unit malfunctions
when connected to
other equipment.
Portable CD player
Operating Instructions
Model No.
SL-SX420
Cannot hear the remote
control’s operation tone.
The operation tone may be off (➪page 6).
Dear Customer
Thank you for purchasing this product.
Before connecting, operating or adjusting
this product, please read these instructions
completely. Please save this manual for
future reference.
Unless otherwise indicated, Illustrations in
these operating instructions are of the unit
for the U.S.A..

Panasonic SL-SX420 Specifications

General

Type	Portable CD Player
Disc Capacity	1
Playback Formats	CD, CD-R, CD-RW
Frequency Response	20 Hz - 20 kHz
Power Supply	2 x AA batteries or AC adapter
Anti-Skip Protection	Yes
Output	Headphone
Output Power	5 mW
Headphone Jack	3.5 mm
Battery Life	Up to 20 hours with alkaline batteries
Weight	Approx. 200g (without batteries)

Summary

Troubleshooting Guide

No Playback Issues

Checks for HOLD function, disc setting, scratches, lens moisture, and disc compatibility.

No Sound or Noise Problems

Addresses plug insertion, clean plugs, MP3 recording quality, and mobile phone interference.

Playback Resume Issues

Explains why playback may not resume from the last stopped track.

Starting Playback Problems

Covers issues with starting playback from the first track, including random play modes.

Unit Stops Functioning

Recommends disconnecting and reconnecting power sources for troubleshooting.

MP3 Search Limitations

States that searching through MP3 files is not supported.

Album Skip Limitations

Notes that skipping between first and last albums is not possible.

Remote Control Malfunctions

Advises using only the included remote control for proper operation.

Recharging Problems

Covers issues related to recharging batteries, including battery type and unit status.

Short Battery Playtime

Addresses issues of very short playtime after recharging.

Battery Indicator Issues

Explains when the battery indicator may not appear or may be incorrect.

Display Indicators

HOLD Function Active

Indicates the HOLD function is active, preventing accidental button presses.

No Disc or Unplayable Disc

Shows when no disc is inserted or the inserted disc is unplayable.

Disc Lid Open Status

Indicates that the disc lid is currently open.

Program Memory Full

Shows that the program memory is full with 20 tracks.

Reading MP3 Files Status

Indicates that the unit is currently reading MP3 files.

Important Safety Instructions

General Safety Precautions

Covers power source, cord protection, overloading, and nonuse periods.

Placement and Environment

Details safe placement away from liquids, heat, and magnetic fields.

Battery Safety

Provides warnings about handling, charging, and disposing of batteries.

CD Handling Precautions

Warns against using irregular, non-specification, or damaged CDs.

Maintenance and Cleaning

Instructions for cleaning the unit using a damp cloth.

Service and Repairs

Outlines when professional service is required and advises against self-repair.

Safe Listening Practices

Advises on safe volume levels and precautions to prevent hearing damage.

Allergy Precautions

Recommends discontinuing use if skin discomfort or rashes occur.

Warnings and Cautions

Product Damage Warnings

Warns against exposing the apparatus to rain, moisture, or liquids.

Laser Safety

Warns about laser radiation exposure and avoiding unauthorized repairs.

Car Adaptor Specification

Specifies the approved car adaptor model for use with the unit.

Product Service and Information

Service Requirements

Lists conditions that require servicing by qualified personnel.

Servicing and Parts

Addresses self-servicing limitations and the importance of using specified replacement parts.

Product Support Contact

Provides contact information for product assistance and service.

Warranty Information (USA)

Limited Warranty Coverage

Details the warranty period, options for repair or replacement, and exclusions.

Warranty Limitations and Exclusions

Lists conditions not covered by the warranty, such as normal wear and accidental damage.

Controls and Connections

Main Unit Controls

Identifies the location and function of controls on the main unit.

Power Connections

Shows how to connect the AC adaptor and car power adaptor.

Audio Output Connections

Illustrates connecting the unit to audio systems or car stereos.

Specifications

Audio and MP3 Specifications

Details technical specifications for CD-DA and MP3 playback.

General Specifications

Lists power supply, operating temperature, and physical dimensions/weight.

MP3 Playback Features

HOLD Function Usage

Explains the purpose and use of the HOLD function.

Resume Playback Function

Describes the resume function for remembering the last playback position.

Auto Power Off Feature

Details the automatic power-off feature to conserve battery.

Power Supply Options

Rechargeable Batteries

Instructions for using and recharging the special Ni-Cd batteries.

Dry Cell Batteries

Instructions for inserting and using ordinary alkaline dry cell batteries.

Battery Indicator

Explains the function and behavior of the battery indicator light.

Basic Operation

Inserting a CD

Step-by-step guide on how to open the lid and insert a CD.

Playback Controls

Covers pause, resume, search, skip, and stop functions.

Volume Adjustment

How to adjust the playback volume using the control dial.

Advanced Playback Features

Program Playback

Instructions for creating custom playback sequences by registering tracks.

Sound Quality Adjustment

How to change sound settings using EQ, S-XBS, and LIVE modes.

Playback Modes

Selection Modes

Details play modes like repeat, random, and album skip.

Anti-Skip System Settings

Explains how to adjust the anti-skip memory for CD-DA playback.

Operation Tone Control

How to turn the operation tones on or off.

MP3 Specific Operations

Album Skip Playback

How to start playback from a specific album in MP3 discs.

Album Mode Playback

How to play only tracks within a selected album.

MP3 File Limitations

MP3 Compatibility Issues

Lists compatibility issues and restrictions for MP3 files, such as ID3 tag support.