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5
Troubleshooting
Before sending the unit to your authorized dealer for repair, check the following points.
The following situations are not malfunctions.
You do not need to worry under 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 internal of the unit.
Perform the following operations when the unit is unable to operate normally due to external static or noises.
A When the unit is in standby mode, pull out the power plug, then insert again.
B Press the power button on the unit to turn on the power again.
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 lens cap removed?
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?
Color does not appear or looks strange
Is the image correctly adjusted?
34
Troubleshooting
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.
Remove the lens cap.
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.
Adjust "Color" and "Tint" in the setting menu.
pP20
pP39
pP21
pP38 - 40
pP2, 10
pP41
pP20
pP20
pP14 - 17
pP20
pP14 - 17
pP28 -
Q
pP28 -
R
pP21
pP25 -
C D
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