Operating instructions
22
HT-SB300
2008 December 5
HT-SB300_A6_EN
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 center.
■
General
■
Remote control
■
Condensation
Sudden temperature changes, storage or operation in an extremely
humid environment may cause condensation inside the cabinet or on
the transmitter on the remote control.
Condensation can cause the speaker to malfunction. If this happens,
leave the power on until normal operation is possible (about 1 hour).
Wipe off any condensation on the transmitter with a soft cloth before
operating the speaker.
■
If problem occurs
When this product is subjected to strong external interference
(mechanical shock, excessive static electricity, abnormal supply voltage
due to lightning, etc.) or if it is operated incorrectly, it may malfunction.
If such a problem occurs, do the following:
1.
Set the speaker to the stand-by mode and turn the power on again.
2.
If the speaker is not restored in the previous operation, unplug
and plug in the speaker, and then turn the power on.
Maintenance
■
Cleaning the cabinet
Periodically wipe the cabinet with a soft cloth.
Caution:
●
Do not use chemicals for cleaning (gasoline, paint thinner, etc.). It
may damage the cabinet finish.
●
Do not apply oil to the inside of each component. It may cause
malfunctions.
Symptom Possible cause
No sound is heard.
●
Is the input signal (selection) set
properly?
●
Is the volume level set to “0”?
●
Is muting activated?
Noise is heard during
playback.
●
Move the speaker away from any
computers or mobile phones.
When a button is
pressed, the speaker
does not respond.
●
Set this speaker to the stand-by mode
and then turn it back on.
The power is not turned
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.
The information is not
displayed even if the unit
is turned on.
●
Is the unit set to “Dimmer display off”
mode?
Symptom Possible cause
The remote control does
not operate properly.
●
Is the battery polarity correct?
●
Is the battery dead?
●
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?
Symptom Possible cause
The speaker cannot be
turned on with the
remote control.
●
Is the AC power cord of the speaker
plugged in?
●
Is the battery inserted?
TV cannot be operated
with the remote control.
●
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.