Troubleshooting Chart - Sharp HT-SB31D Operation Manual

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 dealer or
service center.
■ General
Symptom
●
No sound is Is the input signal (selection)
heard. set properly?
●
Is the volume level set to
minimum?
●
Is muting activated?
●
Are the connections made
correctly?
●
Noise is Move the sound bar away
heard during from any computers or
playback. mobile phones.
●
Sound is TV output sound is
distorted. distorted.
Reduce the TV volume or
sound bar volume.
●
When a button Set this sound bar to the
is pressed, standby mode and then
the sound turn it back on.
●
bar does not If the sound bar still
respond. malfunctions, reset it.
(Refer to page 21.)
●
The power is Is the sound bar
not turned on. unplugged? (Refer to
page 12.)
●
The protection circuit may
be activated. Unplug and
plug in the power cord
again after 5 minutes or
more.
■ NFC / Bluetooth
Symptom
●
NFC-enabled
device cannot
connect to
Bluetooth via
NFC.
Possible cause
Possible cause
Main unit is not in Bluetooth
pairing mode. Perform
"NFC connection for audio
playback". (Refer page 17.)
No sound is
heard.
Bluetooth
sound is
interrupted or
distorted.
■ Remote control
Symptom
The remote
control does
not operate
properly.
The sound
bar cannot be
turned on with
the remote
control.
E-20
●
Is the sound bar too far
from the Bluetooth stereo
audio source device?
●
Is the sound bar paired with
the Bluetooth stereo audio
source device?
Is the Bluetooth stereo
●
audio source device in
playback condition?
●
Is a headphone plugged to
the Bluetooth stereo audio
source device?
●
Is the sound bar too near
to a device that generates
electromagnetic radiation?
●
Is there any obstacle
between the sound bar and
the Bluetooth stereo audio
source device?
Possible cause
●
Is the battery polarity
correct?
●
Is the battery dead?
●
Is the distance or angle
incorrect?
●
Are there any obstructions
in front of the sound bar?
●
Is there a strong light
shining on the remote
sensor?
●
Is the remote control for
another equipment used
simultaneously?
●
Is the AC power cord of the
sound bar plugged in?
●
Is the battery inserted?
●
Has the plastic shield at
the remote control battery
holder been removed?