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Troubleshooting
Before sending the unit for repair, check the following points.
Symptom
Power is not
Is the power cord disconnected?
supplied
Is the lamp cover properly shut?
Has the lamp life expired (has the
lamp usage time reached 2000
hours)?
Projected
Is the lamp near exhaustion?
image is dark
Is Power Save on the setting menu
set to On ?
Unit works
Are the air suction openings (air
inlets) and exhaust vents blocked?
when the
power is
turned on but
stops
Are the filters dirty?
abruptly after
a few
minutes
Video image
Are devices properly connected?
does not
Is the lens cap removed?
appear
Are correct signals (1080/50p or
1080/60p) being output from the
connected devices?
Is the video image temporarily turned
off when the [HIDE] button is being
pressed?
Video image
Is the focus correctly adjusted?
is fuzzy
Is the unit placed too near or too far
away from the screen?
Video images
Has setting been performed for
screen mask?
are missing
Has setting been performed for
picture shift?
42
Probable Cause
Corrective Action
Insert the power cord (plug) properly.
Remove the plug when the [STAND
BY] indicator is on. Close the lamp
cover properly and insert the plug
again.
Remove the plug when the [STAND
BY] indicator is on. Install a new lamp
(lamp unit). Upon doing so, insert the
plug. Reset the lamp time after
installing a new lamp (lamp unit).
Check the lamp usage time on the
menu. Prepare a new lamp (lamp
unit) or replace as soon as possible
when the lamp is near exhaustion.
Set the Power Save setting to
Off .
Remove the plug when the [STAND
BY] indicator is on. Remove any
blocking object. Upon doing so, insert
the plug.
Clean the filters.
Connect devices correctly.
Remove the lens cap.
Set connected devices correctly.
Press the [HIDE] button to display the
video image again.
Adjust accordingly using the focus
button.
Set the unit at a correct distance from
the screen.
Set the Mask setting of the (Setup)
menu to Off .
Alter the Picture Shift value in the
Setup menu to ensure that images
are not missing.
Reference Page
Page 25
Pages 27, 37
Pages 15, 35 - 38
Pages 15, 35 - 38
Page 32
Pages 11, 12, 18
Page 39
Page 24
Page 26
Page 24
Page 27
Page 27
Page 21
Page 33
Page 34
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