SERVICE MANUAL LC-XB41 - TechEdu.com

Maintenance
Resetting the Lamp Counter
Be sure to reset the Lamp counter after the lamp is replaced. When the Lamp counter is reset, the LAMP RE-
PLACE indicator stops lighting and the Lamp replacement icon disappears.
1
2
3
Press the MENU button to display the On-Screen Menu.
Use the Point 7 8 buttons to move the red framed
pointer to the Setting Menu icon.
Use the Point ed buttons to move the red framed pointer
to Lamp counter and then press the SELECT button.
A dialog box appears showing the total accumulated time
of the lamp usage and the reset option. Select Reset and
the “Lamp replacement counter Reset” appears. Select
[Yes] to continue.
Another confirmation dialog box appears, select [Yes] to
reset the Lamp counter.
Lamp counter
Select Reset and the “Lamp
replacement counter Reset
” appears.
✔Note:
• Do not reset the Lamp counter without implementing lamp
replacement. Be sure to reset the Lamp counter only after
replacing the lamp.
How to check Lamp Used Time
Select [Yes],
then another
confirmation
box appears.
Select [Yes] again to reset the
Lamp counter.
The LAMP REPLACE indicator will light yellow when the total lamp used time (Corresponding value) reaches 3,000
hours. This is to indicate that lamp replacement is required.
The total lamp used time is calculated by using the below expression,
Total lamp used time (Corresponding value) = Teco + (Tnormal x 1.2) + (Thigh x 1.5)
Teco: used time in the Eco mode
Tnormal : used time in the Normal mode
Thigh : used time in the High mode
You can check the lamp used time following to the below procedure.
1 Press and hold the ON/STAND-BY button on the projector for more than 20 seconds.
2 The projector used time and lamp used time will be displayed on the screen briefly as follows.
Projector used time
Counter
Projector
Lamp
High
Normal
Eco
Corresponding value
750 H
200 H
250 H
300 H
900 H
Total lamp used time
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