DOWNLOAD Sharp HT-SB250 Service Manual ↓ Size: 5.58 MB | Pages: 20 in PDF or view online for FREE

Model
HT-SB250
Pages
20
Size
5.58 MB
Type
PDF
Document
User Manual / Operation Manual
Brand
Device
Audio / Home Theatre
File
ht-sb250.pdf
Date

Sharp HT-SB250 User Manual / Operation Manual ▷ View online

17
HT-SB250(BK)
2010 December 29 
HT-SB250_A6_EN_UK.fm
HT-SB250(W)
Ba
sic Op
erat
ion
General control  (continued)
„
Subwoofer level control
Note:
When sound from the unit is distorted, decrease the subwoofer
level.
„
Bass control 
„
Treble control 
„
Function 
Note:
The backup function will protect the memorized function mode
for a few hours should there be a power failure or the AC power
cord becomes disconnected.
Auto power on function:
When you press the LINE button on the remote control, the unit
will turns on at last function.
Auto power off and auto detect signal:
z
If no signal is detected for 20 minutes during power on, the 
unit will automatically go to stand-by mode. The STAND-BY 
indicator turns red.
z
The unit will automatically power ON if it detects audio signal 
from connected equipment, unless it is turned off manually.
The unit level can be adjusted.
To increase the level, press the 
SUBWOOFER LEVEL   button.
To decrease the level, press the 
SUBWOOFER LEVEL   button.
1. Press the BASS/TREBLE button
to select “BASS”.
2. Within 5 seconds, press the
VOLUME (+ or –) button to adjust
the bass.
1. Press the BASS/TREBLE button
to select “TREBLE”.
2. Within 5 seconds, press the
VOLUME (+ or –) button to adjust
the treble.
When the FUNCTION button on unit or 
LINE button on the remote control is 
pressed, the input source will change. 
Press the FUNCTION button on unit or 
LINE button on the remote control 
repeatedly to select desired input 
source.
-5   -4 ...    4   5
-5   +5
-5   +5
LINE IN 1
LINE IN 2
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HT-SB250(BK)
2010 December 29 
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HT-SB250(W)
References
Troubleshooting chart
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 authorised  SHARP dealer or service centre.
„
General
„
Remote control
„
Condensation
Sudden temperature changes, storage or operation in an extremely
humid environment may cause condensation inside the cabinet or on
the transmitter on the remote control.
Condensation can cause the unit to malfunction. If this happens, leave
the power on until normal operation is possible (about 1 hour). Wipe off
any condensation on the transmitter with a soft cloth before operating
the unit.
„
 If problem occurs during operation
When this product is subject 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. 
„
Factory reset, clearing all setting
Make sure to disconnect all audio input cables attached to the unit
before performing the factory reset.
1. Press the ON/STAND-BY button to enter the power stand-by
mode.
2. While pressing the SURROUND button, press and hold the ON/
STAND-BY button until “CL” appears.
Caution:
This operation will erase all data stored in memory.
Symptom
Possible cause
No sound is heard.
z
Is the input signal (selection) set 
properly?
z
Is the volume level set to “0”?
z
Is muting activated?
Noise is heard during 
playback.
z
Move the unit away from any 
computers or mobile phones.
When a button is 
pressed, the unit does 
not respond.
z
Set this unit to the stand-by mode and 
then turn it back on.
The power is not turned 
on.
z
Is the unit unplugged? (Refer to page 
14)
z
The protection circuit may be
activated. Unplug and plug in the 
power lead again after 5 minutes or 
more.
The information is not
displayed even if the
unit is turned on.
z
Is the unit set to “Dimmer display off” 
mode?
Symptom
Possible cause
The remote control does 
not operate properly.
z
Is the battery polarity correct?
z
Is the battery dead?
z
Is the distance or angle incorrect?
z
Are there any obstructions in front of the 
unit?
z
Is there a  strong light shining on the 
remote sensor?
z
Is the remote control for another 
equipment used simultaneously?
Symptom
Possible cause
The unit cannot be 
turned on with the 
remote control.
z
Is the AC power lead of the unit plugged 
in?
z
Is the battery inserted?
TV cannot be operated 
with the remote control.
z
Depending on the model, some or all 
functions may not be operable using the 
remote control of this unit. In this case, 
use the remote control supplied with the 
TV.
19
HT-SB250(BK)
2010 December 29 
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HT-SB250(W)
References
Maintenance
„
Cleaning the cabinet
Periodically wipe the cabinet with a soft cloth.
Caution:
z
Do not use chemicals for cleaning (petrol, paint thinner, etc.). 
It may damage the cabinet finish.
z
Do not apply oil to the inside of each component. It may cause 
malfunctions.
Error indicators and warnings
When you fail to perform operations properly, the following
messages are displayed on the unit.
(*): 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 purchased the unit.
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
unit. There may be some deviations from these values in
individual  unit.
„
General
(*) This power consumption value is obtained when in the
power stand-by mode.
Display
Meaning
z
Malfunction of the surround 
circuit. Place the unit away from 
noise source and plug the AC 
power lead into another AC 
outlet. (*)
or
or
Power indicator
(blinks red)
z
When the protection circuit is 
activated.
Power source
DC IN 12 V 
 4 A: AC/DC adaptor
(AC 100 - 240 V ~ 50/60 Hz)
Power
consumption
Power on: 10 W
Power stand-by: 0.4 W (*)
Output power
Front speaker:
RMS: 12 W (6 W + 6 W) (10% T.H.D.)
RMS: 9.6 W (4.8 W + 4.8 W) (0.9% T.H.D.)
Subwoofer:
RMS: 20 W (10% T.H.D.)
RMS: 13 W (0.9% T.H.D.)
Speaker
2.1-way Speaker System
Front speakers: 40 mm Full Range 
Impedance: 12 ohms / Channel
Subwoofer: 57 mm Woofer (x4)
Impedance: 3 ohms 
(12 ohms x 4 parallel connections)
Input terminals
Analogue input (LINE 1): 
RCA type x 1pair (L/R) 
500 mV / 47 k ohms
Analogue input (LINE 2): 
Stereo mini socket Ø 3.5 mm
100 mV / 47 k ohms
Dimensions
Width: 851 mm
Height: 96 mm
Depth: 70 mm
Weight
1.90 kg
11A R AS 1
TINSEA341AWZZ
TERMS OF GUARANTEE
Sharp Electronics (UK) Ltd. (“Sharp”) guarantees to provide for the repair, or at its option the replace-
ment, of this product subject to the conditions listed below:-
1. This guarantee shall only apply to faults which are due to inferior workmanship or materials. It does
not cover faults or damage caused by accident, misuse, fair wear and tear, neglect, tampering with
the product, or repair other than by a Service Facility appointed by Sharp.
2. As this product is intended for private domestic use only, the guarantee will not apply if the product
is used in the course of a business, trade or profession.
3. TREHQH¿WIURPWKLVJXDUDQWHHDQ\IDXOWZKLFKRFFXUVPXVWEHQRWL¿HGWR6KDUSRULWVDSSRLQWHG
Service Facility within one year from the date this product was purchased. Proof of purchase must
be provided.
4. The guarantee does not cover carriage costs, audio tapes, compact discs or batteries.
5. In the unlikely event of this product requiring repair, please contact the supplier from whom it was
purchased. Where this is not possible, please contact the Sharp Customer Information Centre on
the telephone number given below.
6. No person has any authority to vary the terms or conditions of this guarantee.
7. This guarantee is offered as an additional EHQH¿W to your statutory rights, and does not affect these
rights in any way.
If you have any dif
¿FXOW\ operating this product, or would like information on other Sharp products,
please telephone the Sharp Customer Information Centre on the number given below.
Sharp Customer Information Centre - 
Customer support website address - www.sharp.co.uk/customersupport.aspx
Telephone 0845 880 0512
(or (01) 676 0648 if telephoning from Ireland)
*TINSEA341AWZZPA*|
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