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Troubleshooting
5
Troubleshooting
Before sending the unit to your authorized dealer for repair, please check the following points.
The following situations are not malfunctions.
■
You do not need to worry about the following situations if there is no abnormality on the screen.
●
Part of the top surface or front of the unit is hot.
●
A creaking sound is heard from the unit.
●
An operating sound is heard from the inside of the unit.
●
Color smear occurs on some screens.
■
Perform the following operations when the unit is unable to operate normally due to external static or
noise.
When the unit is in standby mode, please pull out the power plug, then insert again.
1
Press the power button on the unit to turn on the power again.
2
■
A sound may be heard when the lamp is off but there is no danger.
■
D-ILA device is manufactured using high-precision technology but there may be some
missing pixels or pixels that remain permanently lit up.
Power is not supplied
Is the power cord disconnected?
Is the lamp cover properly shut?
Is the lamp in Cool Down mode?
Projected image is dark
Is the lamp near exhaustion?
The unit works when power is turned on but stops abruptly after a few minutes
Are the air inlets and exhaust
vent blocked?
Is the filter dirty?
Video image does not appear
Is the correct external input
selected?
Is the AV device properly
connected?
Is the power of the AV device turned
on?
Are the correct signals being
output from the AV device?
Is the setting of the input terminal
correct?
Is the video image temporarily
hidden?
The picture cannot be projected
Will the picture flicker and become
invisible with HDMI input?
42
Insert the power cord (plug) firmly.
Remove the power plug when the unit is in standby mode and
close the lamp cover properly. After that, insert the plug again.
After the Cool Down mode is complete, turn on the power
again.
Check the lamp time on the information menu. Prepare a
new lamp unit or replace as soon as possible when the
lamp is near exhaustion.
Remove the power plug when the unit is in standby mode and
remove any blocking object. After that, insert the plug again.
Clean the filter.
Select the correct external input.
Connect the AV device properly.
Turn on the power of the AV device and play the video.
Set the AV device properly.
Set "COMP." and "HDMI" in the setting menu according to
the input signal.
Press the [HIDE] button to display the video image again.
Please use a short HDMI cable.
P22
P47
P23
P46 to 48
P12 to 13
P49
P22
P16 to 19
P22
P16 to 19
P33 -
11 12
P23
P18
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