Sharp QT-MP3W, Operation Manual

16

QT-MP3W

References

Troubleshooting chart

Many potential problems can be resolved by the owner without call-
ing a service technician.
If something is wrong with this product, check the following before
calling your authorised SHARP dealer or service centre.

General

CD player

Tuner

Cassette deck

Condensation

Sudden temperature changes, storage or operation in an extremely
humid environment may cause condensation inside the cabinet (CD
pickup, etc.).
Condensation can cause the unit to malfunction. If this happens,
leave the power on with no disc in the unit until normal playback is
possible (about 1 hour). Wipe off any condensation on the transmitter
with a soft cloth before operating the unit.

If trouble occurs

When this product is subjected to strong external interference
(mechanical shock, excessive static electricity, abnormal supply
voltage due to lightning, etc.) or if it is operated incorrectly, it may
malfunction.

If such a problem occurs, do the following:

1

Set the unit to the stand-by mode and turn the power on again.

2

If the unit is not restored in the previous operation, unplug and
plug in the unit, and then turn the power on.

Symptom

Possible cause

When a button is pressed, 
the unit does not respond.

Set the unit to the power stand-
by mode and then turn it back on.

No sound is heard.

Is the volume level set to "0"?

Are the headphones connected?

Symptom

Possible cause

Playback does not start.

Is the disc loaded upside down?

Playback stops in the 
middle or is not performed 
properly.

Does the disc satisfy the 
standards?

Is the disc distorted or 
scratched?

Playback sounds are 
skipped, or stopped in the 
middle of a track.

Is the unit located near excessive 
vibrations?

Is the disc very dirty?

Has condensation formed inside 
the unit?

Symptom

Possible cause

The radio makes unusual 
noises continuously.

Is the unit placed near the TV or 
computer?

Is the FM aerial placed properly? 
Move the aerial away from the 
AC power lead if it's located near-
by.

Symptom

Possible cause

Cannot record.

Is the erase-prevention tab re-
moved?

Cannot record tracks with 
proper sound quality.

Is it a normal tape? (You cannot 
record on a metal or CrO  tape.)

Cannot erase completely.

Sound skipping.
Cannot hear treble.

Is there any slack?

Is the tape stretched?

Are the capstan, pinch roller, or 
head dirty?

Sound fluctuation.

Cannot remove the tape.

If a power failure occurs during 
playback, the heads remain en-
gaged with the tape. Do not open 
the compartment with great 
force.