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E-15
HT-SB400
2009 October 20 HT-SB400_A6_EN.fm
ENGLISH
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 authorized SHARP dealer or service centre.
General
Remote control
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 speaker away from any
computers or mobile phones.
When a button is
pressed, the
speaker does not
respond.
z Set this speaker to the stand-by
mode and then turn it back on.
The power is not
turned on.
z Is the AC/DC adaptor unplugged?
(Refer to page 11)
z 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.
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 speaker?
z Is there a strong light shining on the
remote sensor?
z Is the remote control for another
equipment used simultaneously?
The speaker cannot
be turned on with
the remote control.
z Is the AC power lead of the speaker
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 speaker. In
this case, use the remote control
supplied with the TV.