Sharp SD-AT1000 User Manual / Operation Manual ▷ View online
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Troubleshooting chart
Many potential problems can be resolved by the owner without calling a service tech-
nician.
If something is wrong with this product, check the following before calling your autho-
rised SHARP dealer or service centre.
nician.
If something is wrong with this product, check the following before calling your autho-
rised SHARP dealer or service centre.
"
General
"
Tuner
"
Remote control
Symptom
Possible cause
Reference
page
No sound is heard.
!
Is the volume level set to "0"?
P. 15
!
Are the headphones connected?
P. 15
!
Are the speaker wires disconnect-
ed?
ed?
P. 9
The sounds from speakers
are not well balanced.
are not well balanced.
!
Are the speaker leads connected to
the wrong channels?
the wrong channels?
P. 9
!
Is each speaker placed at the same
distance from the listener?
distance from the listener?
P. 13
!
Are speakers adjusted to the same
level?
level?
P. 24
Noise is heard during play-
back.
back.
!
Move the unit away from any com-
puters or mobile phones.
puters or mobile phones.
When a button is pressed,
the unit does not respond.
the unit does not respond.
!
Set this unit to the power stand-by
mode and then turn it back on. If the
unit still malfunctions, reset it.
mode and then turn it back on. If the
unit still malfunctions, reset it.
P. 33
Timer playback does not
start.
start.
!
Did you remove the plug from the
wall socket, or did a power failure
occur? Reset the clock and timer.
wall socket, or did a power failure
occur? Reset the clock and timer.
P. 16
The display on the unit is
dark.
dark.
!
Is the display in the dimmer mode?
P. 15
The power is not turned on.
!
Is the unit unplugged?
P. 12
!
The protection circuit may be acti-
vated. Unplug and plug in the power
lead again after 5 minutes or more.
vated. Unplug and plug in the power
lead again after 5 minutes or more.
P. 33
Symptom
Possible cause
Reference
page
The radio makes unusual
noises continuously.
noises continuously.
!
Is the unit placed near the TV or
computer?
computer?
P. 10
!
Is the FM aerial or AM loop aerial
placed properly? Move the aerial
away from the AC power lead or the
unit if located near.
placed properly? Move the aerial
away from the AC power lead or the
unit if located near.
P. 10
The preset channel cannot
be recalled.
be recalled.
!
Did you remove the plug from the
wall socket, or did a power failure
occur?
wall socket, or did a power failure
occur?
P. 18
Set the channel again.
Symptom
Possible cause
Reference
page
The remote control does not
operate properly.
operate properly.
!
Is the battery polarity respected?
P. 14
!
Are the batteries dead?
!
Is the distance or angle incorrect?
P. 14
!
Are there any obstructions in front of
the unit?
the unit?
!
Is the remote control sensor ex-
posed to strong light (inverter fluo-
rescent light, direct sunlight, etc.)?
posed to strong light (inverter fluo-
rescent light, direct sunlight, etc.)?
P. 14
!
Is the remote control for other equip-
ment being used simultaneously?
ment being used simultaneously?
The unit cannot be turned on
with the remote control.
with the remote control.
!
Is the AC power lead of the unit
plugged in?
plugged in?
P. 12
!
Are the batteries inserted?
P. 14
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Troubleshooting chart (continued)
"
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.
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:
Note:
If neither operation above restores the unit, clear all the memory by resetting it.
Clearing all the memory (reset)
Caution:
This operation will erase all data stored in memory and restore various settings to the
initial status (default).
initial status (default).
When the protection circuit is activated:
Occasionally at very high volume levels, the protection circuit may be activated to set
the unit to the stand-by mode.
Unplug the unit and, after 5 minutes or more, plug it in again.
Turn down the volume if set too high.
the unit to the stand-by mode.
Unplug the unit and, after 5 minutes or more, plug it in again.
Turn down the volume if set too high.
Error indicators and warnings
When you fail to perform operations properly, the following messages are displayed
on the unit.
on the unit.
Maintenance
"
Cleaning the cabinet
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.
then turn the power on.
1
Unplug the unit.
2
Whilst holding down the ON/STAND-BY button, plug in the AC power lead.
At this time, the unit will not be turned on.
At this time, the unit will not be turned on.
3
Press the ON/STAND-BY button again to turn the power on.
Display
Meaning
!
Place the unit away from noise source or plug the
AC power lead to another wall socket. (*)
AC power lead to another wall socket. (*)
!
The cooling fan on the back of the main unit does not
run due to foreign objects caught in it.
run due to foreign objects caught in it.
Set this unit to the stand-by mode and remove the
foreign objects around the fan.
foreign objects around the fan.
!
The digital audio input socket is not connected prop-
erly.
erly.
!
Turn off the unit and check if the cable is properly
connected.
connected.
!
Unspecified signal is received and cannot be recog-
nised.
nised.
(*): Should the same message appear even if the unit is unplugged and plugged in or
is set to the stand-by mode and on again, contact your local dealer where you pur-
chased the unit.
chased the unit.
Periodically wipe the cabinet with a soft cloth and a diluted soap solution, then with a
dry cloth.
dry cloth.
!
Do not use chemicals for cleaning (petrol, paint thinner, etc.). It may damage the
cabinet finish.
cabinet finish.
!
Do not apply oil to the inside of the equipment as this may cause malfunctions.
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Specifications
As part of our policy of continuous improvement, SHARP reserves the right to make
design and specification changes for product improvement without prior notice. The
performance specification figures indicated are nominal values of production units.
There may be some deviations from these values in individual units.
design and specification changes for product improvement without prior notice. The
performance specification figures indicated are nominal values of production units.
There may be some deviations from these values in individual units.
!
Main unit
!
Front speaker
!
Centre speaker
!
Surround speaker
!
Subwoofer
Power source
AC 230 V, 50 Hz
Power consumption
Power on: 80 W
Power stand-by: 0.8 W
Amplification system
2.8224 MHz (64fs) 1-bit switching (remarks: fs = 44.1 kHz)
Output power
Front speakers:
RMS: 200 W (100 W + 100 W) (10 % T.H.D., 1 kHz)
Centre speaker:
RMS: 100 W (10 % T.H.D., 1 kHz)
Surround speakers:
RMS: 200 W (100 W + 100 W) (10 % T.H.D., 1 kHz)
Subwoofer:
RMS: 100 W (10 % T.H.D., 100 Hz)
A/D noise shaping
7th-order (delta - sigma) modulation
Frequency range
FM: 87.5 - 108 MHz
AM: 522 - 1,620 kHz
Audio input terminals
Coaxial digital input (DIGITAL 1): RCA type 1
Optical digital input (DIGITAL 2): Square type 1
Analogue input (LINE 1): RCA type 1 pair (L/R)
Analogue input (LINE 2): RCA type 1 pair (L/R)
Analogue input (LINE 3): RCA type 1 pair (L/R)
Audio output
terminals
terminals
Front speakers, Centre speaker, Surround speakers and
Subwoofer: 4 ohms
Subwoofer: 4 ohms
Headphones: 16 - 50 ohms (recommended: 32 ohms)
Subwoofer Pre Out: 10 k ohms
Analogue output (LINE 1): RCA type 1 pair (L/R)
Dimensions
Width: 430 mm (16-7/8")
Height: 67 mm (2-9/16")
Depth: 324 mm (12-3/4")
Height: 67 mm (2-9/16")
Depth: 324 mm (12-3/4")
Weight
4.0 kg (8.8 lbs.)
Type
Full range speaker system (magnetic shield)
8 cm (3-1/8") speaker 2
Impedance
4 ohms
Dimensions
Width: 105 mm (4-1/8")
Height: 251 mm (9-7/8")
Depth: 125 mm (4-7/8")
Height: 251 mm (9-7/8")
Depth: 125 mm (4-7/8")
Weight
1.5 kg (3.3 lbs.)/each
Type
Full range speaker system (magnetic shield)
8 cm (3-1/8") speaker 2
Impedance
4 ohms
Dimensions
Width: 251 mm (9-7/8")
Height: 105 mm (4-1/8")
Depth: 125 mm (4-7/8")
Height: 105 mm (4-1/8")
Depth: 125 mm (4-7/8")
Weight
1.5 kg (3.3 lbs.)
Type
Full range speaker system
8 cm (3-1/8") Speaker
Impedance
4 ohms
Dimensions
Width: 105 mm (4-1/8")
Height: 251 mm (9-7/8")
Depth: 125 mm (4-7/8")
Height: 251 mm (9-7/8")
Depth: 125 mm (4-7/8")
Weight
0.9 kg (2.0 lbs.)/each
Type
16 cm (6-1/4") woofer (magnetic shield)
Impedance
4 ohms
Dimensions
Width: 240 mm (9-1/2")
Height: 408 mm (16-1/16")
Depth: 306 mm (12")
Height: 408 mm (16-1/16")
Depth: 306 mm (12")
Weight
6.3 kg (13.9 lbs.)
MEMORANDUM/MÉMORANDUM/MEMORÁNDUM/ANTECKNINGAR/ANNOTAZIONI/MEMORANDUM/MEMORANDO/MEMO
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