Manual

H%SB300
22
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
Symptom Possible cause
No sound is hear& • Is tile input signal (selection) set
properly?
• Is the volume levelset to "0'?
• is muting activated?
Noise is heard during • Move the speaker away from any
playback, computers or mobile phones,
When a button is • Set this speaker to the stand-by mode
dpressed,the speaker and then turn it back on,
oes not respond,
The power is not turned • Is the speaker unplugged? (Refer to
on, 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 • Is the unit set to"Dimmer display off'
displayed even ifthe unit mode?
isturned on,
• Remote control
Symptom Possible cause
The remote control does • Is the battery polarity correct?
not operate properly. _ 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 • Istile AC power cord of tile 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 ofthis speaker, In this
case, use the remote control supplied
with the TV.
• 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 thecabinet
Periodically wipe the cabinet with a soft cloth.
Caution:
• Do not use chemicals for cleaning (gasoline, paint thinner, etc.). It
may damaqe the cabinet finish,
• Do not apply oil to the inside of each component. It may cause
malfunctions,