
Troubleshooting
Problem | Possible cause | Remedy |
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Not working at all. | Mains cable not plugged in. | Plug the mains cable firmly into the socket on the Sound | |
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| Projector and then into a | |
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| tive ground. | |
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The unit suddenly switches to standby. | The internal temperature is too high which has activa- | Wait for approx. 1 hour until the unit has cooled down and then | |
| ted the protective circuit to avoid overheating. | switch it on again. | |
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No sound. | Faulty connections of input or output cables. | Connect the cables properly (page | |
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| possible that the cables are faulty. | |
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| No suitable input signal source has been selected. | Select a suitable input source using AUX (PIP) or SOURCE. | |
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| The volume is set at minimum. | Turn up the volume. | |
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| The sound is set to mute. | Press | or V + on the remote control to activate audio output |
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| again and then adjust the volume. | |
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| Signals are being transmitted from a source component | Play back a signal source which emits signals that this unit can | |
| (such as PCM signals with a sampling frequency of over | process or change the system settings on the source component | |
| 96 kHz) that this unit is not capable of playing back. | (page 23). |
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No sound from the effect channels. | You are trying to play back the signal source or the | Press one of the sound field programmebuttons on the remote | |
| programme in stereo. | control to select a multichannel playback mode and try again to | |
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| play back the signal source or the programme. | |
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No sound from the centre or the surround | The source level of the affected channel is set to | Increase the level of the channel (page 23). | |
channels. | minimum. |
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The surround sound effects can hardly be heard. | The listening room has an irregular shape. | Install this unit in a square or rectangular room (page 8/9). | |
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| There is no reflection wall for the sound beam. | Try setting up a flat object, such as a screen, as a replacement | |
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| wall. |
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There is noise interference if no subwoofer is | The protective circuit was active because a source with | Reduce the volume or connect a subwoofer and set the settings | |
connected to this unit. | strong bass elements was being played. | for a subwoofer via the sound menu (page 24). | |
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The | The socket VIDEO OUT (Composite) on this unit is not | Connect the socket VIDEO OUT (Composite) on this unit to the | |
| connected to the input sockets on your TV set. | input sockets on your TV set. | |
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This unit is not working properly. |
| Unplug the mains plug from the mains socket and then try | |
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| plugging it in again after 30 seconds. | |
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The effect sounds are not satisfactory. | The original signal source contains surround effects. | Deactivate the surround effect settings on this unit. | |
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Auto | The noise level in the listening room is too high. | Ensure that it is as quiet as possible in the listening room. | |
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The remote control is not working properly. | The batteries in the remote control are dead. | Replace the batteries with new ones. | |
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