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E-13
Troubleshooting chart
General■
Symptom Possible cause
The clock is not
set to the correct
time.
● Did a power failure occur?
Reset the clock. (Refer page
11)
●
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.
If the unit still malfunctions,
reset it. (Refer page 14)
●
●
No sound is
heard.
● Is the volume level set to
“MIN”?
Are the headphones
connected?
Are the speaker wires
disconnected?
●
●
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Many potential problems can be resolved by the owner
without calling a service technician. If something is wrong
with this product, check the following before calling your
authorized SHARP dealer or service center.
Headphones■
Symptom Possible cause
The remote control
does not operate.
● Is the AC power lead of the
unit plugged in?
Is the battery polarity
correct?
Is the battery dead?
Is the distance or angle
incorrect?
Does the remote control
sensor receive strong light?
●
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Enhancing your system
The connection cord is not included. Purchase a
commercially available cord as shown below.
Portable audio
player, etc.
Audio cable
(not supplied)
Use a connection lead to connect the portable audio
player etc. to the AUDIO IN socket.
Press the ON/STAND-BY button to turn the power on.
Press the AUDIO IN button on the remote control or
FUNCTION button repeatedly on main unit to select
AUDIO IN function.
Play the connected equipment. If volume level of the
connected device is too high, sound distortion may
occur. Should this happen, lower the volume of the
connected device. If volume level is too low, increase
the volume of the connected device.
Note:
To prevent noise interference, place the unit away from the
television.
1
2
3
4
Listening to the playback sounds of
portable audio player, etc.
■
Do not turn the volume on to full at switch on and listen
to music at moderate levels. Excessive sound pressure
from earphones and headphones can cause hearing
loss.
Before plugging in or unplugging the headphones,
reduce the volume.
Be sure your headphones have a 3.5 mm (1/8”)
diameter plug and impedance between 16 and 50
ohms. The recommended impedance is 32 ohms.
Plugging in the headphones disconnects the speakers
automatically. Adjust the volume using the VOLUME
control.
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Remote control■
CD player
■
Symptom Possible cause
Playback does
not start.
Playback stops
in the middle or
is not performed
properly.
●
●
Is the disc loaded upside
down?
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?
●
●
●
Tuner■
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 is
located nearby.
●
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XL-UH1H_XL-UH05H_EN (A5).indd 13XL-UH1H_XL-UH05H_EN (A5).indd 13 6/9/2010 9:23:43 PM6/9/2010 9:23:43 PM