Troubleshooting Chart - Sharp HT-C21DS1 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 authorised dealer or service centre.
„ General
Symptom
z No sound is heard. z The input signal (selection) is not
z The volume level is set to "0".
z Muting is activated.
z The equipment used with this
z The HDMI cable is not correctly
z Do not connect or disconnect
z The sound from z The subwoofer level is set to
subwoofer is not
well balanced.
z Noise is heard z Move the speaker away from any
during playback.
z When a button z Set the sound bar to the standby
is pressed, the
sound bar does not
respond.
z The power is not z The sound bar is unplugged.
turned on. z The protection circuit may be
z 3D images and/ z Depending on the TV and Video
or 4K content
not displayed on
the TV.
z HDMI cable not support 3D
z Background noise z Please change to HDMI/ARC or
appears when
connecting with
RCA audio output
terminal connection
from a TV-set/
Blu-ray/DVD Disc
Player.
z Wireless z Check the distance between the
connection cannot
be established.
z Make sure there is no other
z Make sure there is no obstacles
z Manually re-link the sound bar and
Possible cause
set properly.
system is not HDMI compliance.
connected.
Connect the HDMI cable correctly
and then perform the reset
procedure. (refer page 20)
HDMI cable while power is
on. This may lead to operation
problems.
minimum or maximum level.
computers or mobile phones.
mode and then turn it back on.
activated. Unplug and plug in the
power lead again after 5 minutes
or more.
component, 3D images and 4K
content may not be displayed.
Check the operation manual of the
respective component.
images and 4K content.
headphone terminal from TV-Set/
Blu-ray/DVD Disc Player. This
effect may occur depending on
TV/Blu-ray/DVD Disc Player-
Brand, model and age, and it is
not the sound bar problem.
sound bar and subwoofer (less
than 10 metres (32 feet)).
wireless devices near the unit.
(especially metal) blocking
between the sound bar and
subwoofer.
subwoofer (refer page 13).
„ Remote control
Symptom
z The remote control
does not operate
properly.
z The sound bar
cannot be turned
on with the remote
control.
„ Bluetooth
Symptom
z No sound is heard.
z Bluetooth sound
is interrupted or
distorted.
„ USB
Symptom
z Device cannot be
detected.
z Playback does not
start.
E-19
Possible cause
z The battery polarity is incorrect.
z The battery is dead.
z The distance or angle is incorrect.
z There are obstructions in front of
the sound bar.
z There is a strong light shining on
the remote sensor.
z The remote sensor for another
equipment is used simultaneously.
z The AC power lead of the sound
bar is not plugged in.
z Battery is not inserted.
Possible cause
z The unit is too far from the
Bluetooth stereo audio source
device.
z The unit is not paired with the
Bluetooth stereo audio source
device.
z The unit is too near to a device
that generates electromagnetic
radiation.
Possible cause
z There is no MP3/WAV/FLAC file
inside the device.
z The device is not properly plugged
in.
z An MTP device is plugged in.
z The device contains AAC file only.
z A false MP3/WAV/FLAC file is
being played back.