42
Troubleshooting
Before sending the unit for repair, check the following points.
Symptom Probable Cause Corrective Action Reference Page
Power is not
supplied
Is the power cord disconnected? Insert the power cord (plug) properly. Page 25
Is the lamp cover properly shut? Remove the plug when the [STAND
BY] indicator is on. Close the lamp
cover properly and insert the plug
again.
Pages 27, 37
Has the lamp life expired (has the
lamp usage time reached 2000
hours)?
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).
Pages 15, 35 - 38
Projected
image is dark
Is the lamp near exhaustion? 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.
Pages 15, 35 - 38
Is APower Save B on the setting menu
set to AOnB?
Set the APower Sa veB setting to
AOffB.
Page 32
Unit works
when the
power is
turned on but
stops
abruptly after
a few
minutes
Are the air suction openings (air
inlets) and exhaust vents blocked?
Remove the plug when the [STAND
BY] indicator is on. Remove any
blocking object. Upon doing so, insert
the plug.
Pages 11, 12, 18
Are the filters dirty? Clean the filters. Page 39
Video image
does not
appear
Are devices properly connected? Connect devices correctly. Page 24
Is the lens cap removed? Remove the lens cap. Page 26
Are correct signals (1080/50p or
1080/60p) being output from the
connected devices?
Set connected devices correctly. Page 24
Is the video image temporarily turned
off when the [HIDE] button is being
pressed?
Press the [HIDE] button to display the
video image again.
Page 27
Video image
is fuzzy
Is the focus correctly adjusted? Adjust accordingly using the focus
button.
Page 27
Is the unit placed too near or too far
away from the screen?
Set the unit at a correct distance from
the screen.
Page 21
Video images
are missing
Has setting been performed for
screen mask?
Set the AMaskB setting of the (Setup)
menu to AOffB.
Page 33
Has setting been performed for
picture shift?
Alter the APicture ShiftB value in the
ASetupB menu to ensure that images
are not missing.
Page 34
DLA-HD10_EN-FR.book Page 42 Thursday, November 10, 2005 12:54 PM