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 | ● Is the input signal |
heard. | (selection) set |
| properly? |
| ● Is the volume |
| level set to “0”? |
| ● Is muting |
| activated? |
Noise is | ● Move the unit |
heard during | away from any |
playback. | computers or |
| mobile phones. |
|
|
When a button | ● Set this unit to |
is pressed, the | the |
unit does not | mode and then |
respond. | turn it back on. |
|
|
The power is | ● Is the unit |
not turned on. | unplugged? |
| (Refer to page |
| 10.) |
| ● The protection |
| circuit may be |
| activated. Unplug |
| and plug in the |
| power cord again |
| after 5 minutes or |
| more. |
■Remote control
Symptom | Possible cause |
|
|
The remote | ● Is the battery |
control does | polarity correct? |
not operate | ● Is the battery |
properly. | dead? |
| ● Is the distance or |
| angle incorrect? |
| ● Are there any |
| obstructions in |
| front of the unit? |
| ● Is there a strong |
| light shining |
| on the remote |
| sensor? |
| ● Is the remote |
| control for |
| another |
| equipment used |
| simultaneously? |
The unit cannot | ● Is the AC power |
be turned on | cord of the unit |
with the remote | plugged in? |
control. | ● Is the battery |
| inserted? |
TV cannot be | ● Depending on |
operated with | the model, some |
the remote | or all functions |
control. | may not be |
| operable using |
| the remote |
| control of this |
| unit. In this case, |
| use the remote |
| control supplied |
| with the TV. |
