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Troubleshooting chart
HT-SB400
ENGLISH
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 centre.
General
Symptom
No sound is heard.
Noise is heard
during playback.
When a button is
pressed, the
speaker does not
respond.
The power is not
turned on.
E-15
Possible cause
Is the input signal (selection) set
properly?
Is the volume level set to "0"?
Is muting activated?
Move the speaker away from any
computers or mobile phones.
Set this speaker to the stand-by
mode and then turn it back on.
Is the AC/DC adaptor unplugged?
(Refer to page 11)
The protection circuit may be
activated. Unplug and plug in the
power lead again after 5 minutes or
more.
Remote control
Symptom
The remote control
Is the battery polarity correct?
does not operate
Is the battery dead?
properly.
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
Is the AC power lead of the speaker
be turned on with
plugged in?
the remote control.
Is the battery inserted?
TV cannot be
Depending on the model, some or all
operated with the
functions may not be operable using
remote control.
the remote control of this speaker. In
this case, use the remote control
supplied with the TV.
Possible cause
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