Troubleshooting Chart - Sharp HT-SB500 Operation Manual

Troubleshooting chart

HT-SB500
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
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.
The information is not
displayed even if the
unit is turned on.
22
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 speaker unplugged? (Refer to
page 17)
The protection circuit may be
activated. Unplug and plug in the
power cord again after 5 minutes or
more.
Is the unit set to "Dimmer display off"
mode?
Remote control
Symptom
The remote control does Is the battery polarity correct?
Is the battery dead?
not operate 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 be Is the AC power cord of the speaker
turned on with the plugged in?
remote control. Is the battery inserted?
TV cannot be operated Depending on the model, some or all
with the remote control. functions may not be operable using the
remote control of this speaker. In this
case, use the remote control supplied
with the TV.
Possible cause