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Troubleshooting
Power cycling
If a problem occurs that cannot be corrected
with the instructions in this user manual, follow
the steps given here.
Problems
The projector cannot be turned on
The projector cannot be turned off
No sound
No sound from the external connected device
No sound from external HDMI output device
No sound when you connect your computer via
HDMI cable
Video display problem when the source is a 3D
signal from a Blu-ray player
Only the initial screen appears and not the image
from the external device
Only the initial screen appears and not the image
from the connected computer
Service
1 Turn the device off by pressing the â button
twice.
2 Wait at least ten seconds.
3 Turn the device on by pressing the â button
once.
4 If the problem persists, please contact our
technical service centre or your dealer.
Solutions
•
Disconnect and connect the power cable and
try to turn it on again.
•
Push the â button longer than ten seconds. If
it does not work, disconnect the power cable.
•
Check that the speaker is activated (see
Sound settings on page 26).
•
Adjust the volume using the VOLUME but-
tons (î/ï).
•
Check the cables to the external device.
•
Check that the sound is activated on the
external device.
•
Only the original cables from the device man-
ufacturer may function.
•
Set the audio setting to Multichannel (Raw
data) & Stereo (PCM).
•
Check that the sound is activated on the
computer.
•
Check that the 3D mode is activated on the
projector (see 3D settings on page 26).
•
If the Blu-ray player is connected to the pro-
jector via HDMI, use any of the HDMI sockets.
•
Check if the cables are connected to the right
sockets.
•
Check that the external device is turned on.
•
Check if the video output of the external
device is turned on.
•
Check that the HDMI source selected on the
user interface corresponds to HDMI connec-
tor where the external device is connected.
•
Check that the VGA-output of the computer
is turned on.
•
Check if the resolution of the computer is set
to 1920*1080 (for VGA-connection) or 1080P
(for HDMI-connection).
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