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.
„ Operation
Symptom | Possible cause | Reference |
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When a button is pressed, | z Set this unit to the power | P. 35 |
the unit does not respond. | mode and then turn it back on. If the |
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Timer playback does not | z Is your unit unplugged, or has the | P. 22 |
start. | power failure occurred? Reset the |
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The display on the unit is | z Press the DIMMER button on the | P. 23 |
dark. | remote control. |
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The power is not turned on. | z Is the unit unplugged? | P. 12 |
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„ Sound |
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Symptom | Possible cause | Reference | ||
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No sound is heard. | z Is the volume level set to "0"? | P. 23 | ||
| z Are the speaker wires | P. 8 | ||
| disconnected? |
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| z Is the speaker size set to NO (OFF)? | P. 29 | ||
| z Is other equipment connected | P. 10 | ||
| properly? |
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The sounds from speakers | z Are the speaker leads connected to | P. 8 | ||
are not well balanced. | the wrong channels? |
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| z Is each speaker placed at the same | P. 14 | ||
| distance from the listener? |
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| z Are speakers adjusted to the same | P. 31 | ||
| level? |
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Noise is heard during | z Move the unit away from any |
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playback. | computers or mobile phones. |
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„ Tuner
Symptom | Possible cause | Reference | ||
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Radio makes unusual noise | z Move the unit away from any |
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consecutively. | computers or mobile phones. |
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| z Is the FM/AM loop aerial placed | P. 8 | ||
| properly? Move the aerial away from |
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| the AC power lead if located near. |
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„ Remote control |
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Symptom | Possible cause | Reference | |||
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The remote control does not | z Is the remote control plugged in? | P. 12 | |||
operate properly. | z Is the battery polarity respected? | P. 16 | |||
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| z Are the batteries dead? |
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| z Is the distance or angle incorrect? | P. 16 | |||
| z Are there any obstructions in front of |
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| the remote control sensor? |
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| z Is the remote control sensor | P. 8 | |||
| connected to the main unit? |
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| z Is the LEARN/TRANSMIT selector | P. 20 | |||
| switch set to LEARN? |
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| z Is the remote control sensor | P. 16 | |||
| exposed to strong light (inverter |
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| fluorescent light, direct sunlight, |
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| etc.)? |
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| z Is the remote control for another |
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| equipment used simultaneously? |
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The unit cannot be turned on | z Is the AC power lead of the unit | P. 12 | |||
with the remote control. | plugged in? |
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| z Is the remote control plugged in? | P. 12 | |||
| z Are the batteries inserted? | P. 16 | |||
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Signals are not memorised in | z Is the remote control plugged in? | P. 12 | |||
operation buttons for other | z Is the angle or the distance correct | P. 20 | |||
equipment. | |||||
for memorisation? |
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References | Troubleshooting chart - |
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02/7/11