HT-SB400H (serv.man2) - Sharp Audio User Guide / Operation Manual. Page 17

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17
 
HT-SB400
2009 August 7 
HT-SB400_A6_EN_1-17.fm
 
2
 
Ref
erences
 
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 speaker to malfunction. If this
happens, leave the power on until normal playback is possible
(about 1 hour). Wipe off any condensation on the transmitter
with a soft cloth before operating the speaker.
 
■  If problem 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 speaker to the stand-by mode and turn the power on
again.
2. If  the  speaker  is  not  restored  in  the  previous  operation,
unplug and plug in the speaker, and then turn the power on. 
■  Factory reset, clearing all setting
Make sure to disconnect all audio input cables attached to the
speaker before performing the factory reset.
Can be operated on the remote control only.
1. Press the ON/STAND-BY button to enter the power stand-by
mode. 
2. 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.
Is the input signal (selection) set 
properly?
Is the volume level set to “0”?
Is muting activated?
Noise is heard 
during playback.
Move the speaker away from any 
computers or mobile phones.
When a button is 
pressed, the 
speaker does not 
respond.
Set this speaker to the stand-by 
mode and then turn it back on.
The power is not 
turned on.
Is the AC/DC adaptor unplugged? 
(Refer to page 13)
The protection circuit may be
activated. Unplug and plug in the 
power lead again after 5 minutes or 
more.
Symptom
Possible cause
The remote control 
does not operate 
properly.
Is the battery polarity correct?
Is the battery dead?
Is the distance or angle incorrect?
Are there any obstructions in front of 
the speaker?
Is there a  strong light shining on the 
remote sensor?
Is the remote control for another 
equipment used simultaneously?
The speaker cannot 
be turned on with 
the remote control.
Is the AC power lead of the speaker 
plugged in?
Is the battery inserted?
Symptom
Possible cause
TV cannot be 
operated with the 
remote control.
Depending on the model, some or all 
functions may not be operable using 
the remote control of this speaker. In 
this case, use the remote control 
supplied with the TV.
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