Sharp MD-S301MK, Service Manual

MD-S301MK

– 5 –

If

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When this product is subjected to strong

external interference (mechanical shock,

excessive static electricity, abnormal sup-

ply voltage due to lightning, etc.) or if it is

operated incorrectly, it may malfunction. If

such a problem occurs, do the following:

1.

Unplug the AC adaptor from the AC

outlet.

2.

Remove the battery. 

3.

Leave the unit completely unpowered

for approximately 30 seconds. 

4.

Plug the AC adaptor back into the AC

outlet and retry the operation.

If strange sounds, smell or smoke come

out of the unit or an object is dropped into

the unit, remove the AC adaptor from the

AC outlet immediately and contact an au-

thorized Sharp service centre.

Many potential “problems” can be resolved by the owner without calling a service techni

-

cian. If something seems to be wrong with this product, check the following before calling

your authorized SHARP dealer or service center.

PROBLEM

CAUSE

The unit does not turn

on.

Is the AC adaptor disconnected?

Is the battery exhausted?

Is the unit in the safety mode?

Has condensation formed inside the unit?

Is the unit being influenced by mechanical shock or by 

static electricity?

No sound is heard

from the headphones.

Is the volume set too low?

Is the remote control unit or the headphones plugged 

in?

Are you trying to play a MiniDisc with data on it 

instead of a MiniDisc containing music?

When the operation

buttons are pressed,

the unit does not

respond.

Is the unit in the safety mode?

Is the battery exhausted?

Is the remote control unit plug or the headphone plug 

inserted firmly?

Has condensation formed inside the unit?

Is the unit being influenced by mechanical shock or by 

static electricity?

Some sounds are

skipped.

Is the battery exhausted?

Is the unit being subjected to excessive vibration?

TROUBLESHOOTING

When an error message is displayed on the display, proceed as follows:

Display

Meaning

Remedy

BLANK

Nothing is recorded.

Replace the disc with a

recorded disc.

E-DISC

The disc is damaged or

the music information is 

not written properly on the

disc.

Replace the disc.

E-SYS

The unit is malfunctioning

and will require service.

For service, contact your

local Sharp authorized

servicer.

E-TEMP

The temperature is too

high.

Turn off the power, and

wait for a while.

E-TO

C 

E-UTOC

The disc is damagad.

Replace the disc.

Lo BATT

The battery has run down.

Charge 

the 

rechargeable

battery or replace the

alkaline battery (or use

the AC adaptor for power).

No DISC

A disc has not been 

loaded.

Load a disc.

POWER?

Improper power is being

supplied.

Use one of the specified 

power sources.

?DISC

There is an error in the 

signal from the disc.

Replace the disc.

ERROR MESSAGES