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 heard. | ● Is the input signal |
| (selection) set properly? |
| ● Is the volume level set to |
| “0”? |
| ● Is muting activated? |
| ● Is HDMI compliant |
| equipment being used? |
| ● Is the HDMI cable |
| connected correctly? |
| Connect the HDMI cable |
| correctly and then perform |
| the reset procedure. (refer |
| page 22) |
| ● Do not connect or |
| disconnect an HDMI cable |
| while power is on. This |
| may lead to operation |
| problems. |
|
|
● The sound from | ● Is the subwoofer level set |
subwoofer is not well | to the minimum or |
balanced. | maximum level? |
|
|
● Power turns off | ● Is the HDMI cable |
suddenly. | connected correctly? |
| Connect the HDMI cable |
| correctly and then perform |
| the reset procedure. |
|
|
● Noise is heard | ● Move the speaker away |
during playback. | from any computers or |
| mobile phones. |
|
|
● When a button is | ● Set the unit to the |
pressed, the unit | mode and then turn it back |
does not respond. | on. |
|
|
● The power is not | ● Is the unit unplugged? |
turned on. | ● The protection circuit may |
| be activated. Unplug and |
| plug in the power cord |
| again after 5 minutes or |
| more. |
|
|
● 3D images not | ● Depending on the TV and |
displayed on the TV. | Video component, 3D |
| images may not be |
| displayed. |
| Check the operation |
| manual of the respective |
| component. |
| ● HDMI cable not support 3D |
| image. |
|
|
Remote control
Symptom | Possible cause |
|
|
● The remote control | ● Is the battery polarity |
does not operate | correct? |
properly. | ● Is the battery 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 be | ● Is the AC power cord of the |
turned on with the | unit plugged in? |
remote control. | ● Is the battery inserted? |
| |
|
|
Tuner
Symptom | Possible cause |
●The radio makes ● Is the unit placed near the
unusual noises | TV or computer? |
continuously. | ● Is the FM antenna or AM |
| loop antenna placed |
| properly? Move the |
| antenna away from the AC |
| power cord if it is located |
| nearby. |
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 unit 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 unit.
If problem occurs during operation
When this product is subject 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.
