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.
■ General
Symptom | Possible cause |
|
|
● No sound is heard. | ● Is the input signal |
| (selection) set properly? |
| ● Is HDMI compliant |
| equipment being used? |
| ● Is the HDMI cable |
| connected correctly? |
| ● Is the HDMI cable of the |
| correct type being used? |
| (with ARC) |
| ● Does the sound input |
| support PCM signal? |
| ● Do not connect or |
| disconnect an HDMI cable |
| while power is on. This |
| may lead to operation |
| problems. |
|
|
● Noise is heard | ● Move the speaker away |
during playback. | from any computers or |
| mobile phones. |
|
|
● The power is not | ● Is the unit unplugged? |
turned on. | ● The protection circuit may |
| be activated. Unplug and |
| plug in the power lead |
| again after 5 minutes or |
| more. |
|
|
● Volume cannot be | ● Check if the HDMI CEC is |
controlled. | enabled. |
| ● For headphone or RCA, |
| TV setting (VARIABLE) is |
| required. |
|
|
● 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. |
|
|
● Background noise | ● Please change to HDMI/ |
appears when | ARC or RCA output from |
connecting with | |
headphone output of | occur depending on your |
used | |
| age, and it is not the sound |
| bar problem! |
|
|
■Condensation
Sudden temperature changes, storage or operation in an extremely humid environment may cause condensation inside the cabinet. 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.
If the unit is not restored in the previous operation, unplug and plug in the unit again
or
unplug all component connected and plug in again.
Maintenance
■Cleaning the cabinet
Periodically wipe the cabinet with a soft cloth.
Caution:
●Do not use chemicals for cleaning (petrol, paint thinner, etc.). It may damage the cabinet finish.
●Do not apply oil to the inside of each component. It may cause malfunctions.