Troubleshooting

Problem

Possible cause

Remedy

 

Not working at all.

Mains cable not plugged in.

Plug the mains cable firmly into the socket on the Sound

 

 

Projector and then into a 220-240 V 50 Hz socket with protec-

 

 

tive ground.

 

 

 

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.

 

 

 

No sound.

Faulty connections of input or output cables.

Connect the cables properly (page 10-12). If the problem persists, it is

 

 

possible that the cables are faulty.

 

 

 

 

No suitable input signal source has been selected.

Select a suitable input source using AUX (PIP) or SOURCE.

 

 

 

 

The volume is set at minimum.

Turn up the volume.

 

 

 

 

 

The sound is set to mute.

Press

or V + on the remote control to activate audio output

 

 

 

 

again and then adjust the volume.

 

 

 

 

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).

 

 

 

 

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

 

 

play back the signal source or the programme.

 

 

 

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.

 

 

 

 

 

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).

 

 

 

 

There is no reflection wall for the sound beam.

Try setting up a flat object, such as a screen, as a replacement

 

 

wall.

 

 

 

 

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).

 

 

 

The on-screen dialogue (OSD) does not appear.

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.

 

 

 

This unit is not working properly.

 

Unplug the mains plug from the mains socket and then try

 

 

plugging it in again after 30 seconds.

 

 

 

The effect sounds are not satisfactory.

The original signal source contains surround effects.

Deactivate the surround effect settings on this unit.

 

 

 

Auto set-up is unsuccessful.

The noise level in the listening room is too high.

Ensure that it is as quiet as possible in the listening room.

 

 

 

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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