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8

Problem

Cannot close the lid.

Cannot play discs.

Tracks on disc do not play
in order, starting with the
first track.

Cannot hear music—too
noisy.

TV picture is distorted.
Radio reception is noisy.

Cannot recharge the
batteries.

Troubleshooting Guide

Before requesting service for this unit, check the chart below for a possible cause of
the problem you are experiencing. Some simple checks or a minor adjustment on
your part may eliminate the problem and restore proper operation.
If you are in doubt about some of the check points, or if the remedies indicated in the
chart do not solve the problem, refer to the directory of Authorized Service Centers
(enclosed with this unit) to locate a convenient service center, or consult your dealer
for instructions.

Check this

Is the disc properly secured in place?

Is the unit in HOLD mode?

Is the disc properly secured in place?

Is the disc dirty or scratched?

Is there condensation on the lens? 
(Wait for about an hour and then try again.)

Is the random play mode on?

Did you stop play in the middle of the disc last
time?

Have the stereo earphone and wired remote
control plugs been inserted firmly?

Are the plugs dirty? (Wipe away dirt on plug.)

Separate the unit from mobile phones.

Are you using the unit too near a TV or tuner?
(Keep the unit away from the TV or tuner.)

Are you using the included batteries or the
recommended replacements?

Ensure two batteries are inserted.

Batteries

used

2 alkaline
batteries
(LR6)

2 Rechargeable
batteries

2 rechargeable
and 2 alkaline
batteries

Specifications

Audio 

No. of channels: 2 (left and right, stereo)
Frequency 

response:

20 to 20,000 Hz

(

i

0.5 dB to 

j

1.5 dB)

Output voltage:

0.6 V (50 k

)

S/N:

More than 96 dB

Wow and flutter: Below measurable limit
DA converter:

1 bit, MASH

Headphone 

output level: RMS max. 8 mW

i

8 mW/

16 

(adjustable)

Pickup

Light source:

Semiconductor laser

Wavelength:

780 nm

General

Operational temperature

range:

e

C–40 

e

C

Rechargeable temperature

range:

e

C–40 

e

C

Power supply:

DC 4.5 V

Power consumption

When using AC adaptor: 

3.0 W

When recharging:

5.3 W

Play time:
[Approximate operating time in hours (in
hold mode, with EQ canceled, at 25 

e

C).]

The play time may be less depending
on the operating conditions.

Play time will be considerably reduced
when playing CD-RW.

Recharging time:

About 5 hours

Dimensions

(W

a

H

a

D):

130.5

a

14.3

a

135.5 mm

Mass:

180 

g

(with batteries)

127 

g

(without batteries)

Note:
Specifications are subject to change
without notice.
Mass and dimensions are approximate.

Play time

60

35

100

Maintenance

If the surfaces are dirty

To clean this unit, wipe with a soft, dry cloth.

Never use alcohol, paint thinner or benzine to clean this unit.

Before using chemically treated cloth, read the instructions that came with the cloth
carefully.

Maintaining the lens

Open the lid and clean the lens as shown in the figure.
Use a cotton swab to gently wipe off any finger-prints.
Recommended product: Lens cleaner kit (SZZP1038C)

Air blower for
camera lens

Lens

Lens

Summary of Contents for SL-CT790

Page 1: ...e Portable CD player Operating Instructions AC adaptor 1 N0JCCE000004 Wired remote control 1 N2QCBD000019 Stereo earphones 1 L0BAB0000170 External battery case 1 RFA1821 H Use numbers indicated in parentheses when asking for replacement parts Refer to Using rechargeable batteries page 2 for the parts marked with an asterisk EB Note EB on the packaging indicates the United Kingdom Nickel metal hydr...

Page 2: ...nit is powered off Remote control Remote control Main unit Main unit Power Supply Preparations Refer to the specifications page 8 for information on operating times when using rechargeable batteries or dry cell batteries Using the AC adaptor Use only the included AC adaptor Using other adap tors can cause overheating which can lead to fire Connect the AC adaptor supplied Refer to step 3 in Using r...

Page 3: ...gnore short accidental button presses The disc lid can still be opened and closed The HOLD function prevents the following The unit is powered on accidentally when not in use causing the batteries to run down A button is accidentally pressed during play interrupt ing the operation To use the HOLD function Set HOLD to the HOLD position a HOLD mode b Release You still can operate the unit with the r...

Page 4: ... played If the unit has been connected to the car audio sys tem set this unit s volume to 10 then adjust the vol ume level on the system Auto off function If you leave the unit in stop mode for about 10 minutes 30 seconds if a disc is not loaded it turns off to save the memories Resume function The player stores the track where you stopped play and if you press 1 main unit or 1 remote control play...

Page 5: ...epeat play or 1 track repeat play page 6 search opera tion is limited to the current track only Press during play Press during play Press during stop mode Press during play Press twice to skip to the beginning of the previous track Press again to restart play Press and hold during play S XBS S XBS No indicator is shown Total playing time Backward Forward EQ MODE MEMORY Press during play EQ MODE ME...

Page 6: ...y The setting switches as shown below each time you press the button 1 track repeat 1 M One track is repeated v Memory repeat M The programmed tracks are repeated v Cancel M Note You can select the first track to play in random play and random repeat play by pressing 9 while the disc is stopped All the tracks are played You cannot select random play or random repeat play during program play The re...

Page 7: ...r moisture prone places 2 Warehouses and other dusty places 3 Very hot places near heating appliances etc Do not leave the unit exposed to direct sunlight for long periods of time This may deform or discolor the cabinet and may also cause malfunctioning As the lid is metallic the cover may become hot Cautions Rechargeable dry cell batteries If rechargeable battery play time is short after recharg ...

Page 8: ...ents Ensure two batteries are inserted Batteries used 2 alkaline batteries LR6 2 Rechargeable batteries 2 rechargeable and 2 alkaline batteries Specifications Audio No of channels 2 left and right stereo Frequency response 20 to 20 000 Hz i0 5 dB to j1 5 dB Output voltage 0 6 V 50 k S N More than 96 dB Wow and flutter Below measurable limit DA converter 1 bit MASH Headphone output level RMS max 8 ...

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