Read Sharp HT-SB400H (serv.man2) User Guide / Operation Manual online
17
HT-SB400
2009 August 7
HT-SB400_A6_EN_1-17.fm
2
Ref
erences
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 SHARP dealer or service centre.
calling a service technician.
If something is wrong with this product, check the following
before calling your authorised SHARP dealer or service centre.
■
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 playback is possible
(about 1 hour). Wipe off any condensation on the transmitter
with a soft cloth before operating the speaker.
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 playback 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
(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.
■ Factory reset, clearing all setting
Make sure to disconnect all audio input cables attached to the
speaker before performing the factory reset.
Can be operated on the remote control only.
1. Press the ON/STAND-BY button to enter the power stand-by
speaker before performing the factory reset.
Can be operated on the remote control only.
1. Press the ON/STAND-BY button to enter the power stand-by
mode.
2. Press and hold the ON/STAND-BY button until “CL” appears.
Caution:
This operation will erase all data stored in memory.
This operation will erase all data stored in memory.
Symptom
Possible cause
No sound is heard.
●
Is the input signal (selection) set
properly?
properly?
●
Is the volume level set to “0”?
●
Is muting activated?
Noise is heard
during playback.
during playback.
●
Move the speaker away from any
computers or mobile phones.
computers or mobile phones.
When a button is
pressed, the
speaker does not
respond.
pressed, the
speaker does not
respond.
●
Set this speaker to the stand-by
mode and then turn it back on.
mode and then turn it back on.
The power is not
turned on.
turned on.
●
Is the AC/DC adaptor unplugged?
(Refer to page 13)
(Refer to page 13)
●
The protection circuit may be
activated. Unplug and plug in the
power lead again after 5 minutes or
more.
activated. Unplug and plug in the
power lead again after 5 minutes or
more.
Symptom
Possible cause
The remote control
does not operate
properly.
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?
the speaker?
●
Is there a strong light shining on the
remote sensor?
remote sensor?
●
Is the remote control for another
equipment used simultaneously?
equipment used simultaneously?
The speaker cannot
be turned on with
the remote control.
be turned on with
the remote control.
●
Is the AC power lead of the speaker
plugged in?
plugged in?
●
Is the battery inserted?
Symptom
Possible cause
TV cannot be
operated with the
remote control.
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.
functions may not be operable using
the remote control of this speaker. In
this case, use the remote control
supplied with the TV.
Click on the first or last page to see other HT-SB400H (serv.man2) service manuals if exist.