Sharp HT-SB500 HT-SB500 Operation Manual - Page 22

References HT-SB500 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 the volume level set to "0"? Is muting activated? Noise is heard during playback. Move the speaker away from any computers or mobile phones. When a button is pressed, the speaker does not respond. Set this speaker to the stand-by mode and then turn it back on. The power is not turned on. Is the speaker unplugged? (Refer to 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 displayed even if the unit is turned on. Is the unit set to "Dimmer display off" mode? Remote control Symptom The remote control does not operate properly. The speaker cannot be turned on with the remote control. TV cannot be operated with the remote control. Possible cause Is the battery polarity correct? 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? Is the AC power cord of the speaker plugged in? Is the battery inserted? 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. 22