Sharp AN-S422E, Service Manual

Page: 19 / 178

19
XG-V10WE
AN-SD1E/S422E
Resetting the TOTAL LAMP TIMER
Resetting the counter
»
Draw out the lamp to be replaced. Turn on the power and the absence of the lamp is detected. Now reset the total
hour counter.
Resetting procedure
Condition
The internal
temperature is
abnormally high.
The lamp does
not light up.
The POWER
indicator flashes
in red when the
projector is on.
Problem
· Blocked air intake.
· Clogged air filter.
· Cooling fan breakdown.
· Internal circuit failure.
· Burnt-out lamp.
· Lamp circuit failure.
· The filter cover is open.
· The lens cover is miss-
ing.
Possible Solution
· Relocate the projector to an area with
proper ventilation.
· Clean the filter.
· Take the projector to your nearest Au-
thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.
· Carefully replace the lamp.
· Take the projector to your nearest Au-
thorized Sharp Industrial LCD Products
Dealer or Service Center for repair.
· Securely install the filter cover.
· Remove the top lens cover
(CCOVA1785CE01) off the front panel.
Maintenance Indicator
TEMPERATURE
WARNING indicator
LAMP REPLACE-
MENT indicator
(LAMP1, LAMP2)
POWER indicator
Replacing one lamp Replacing both lamps
1 Draw out the relevant lamp only. Draw out both the lamps.
2 Turn on the main power.
3 Press POWER button to LCD projector on.
4
The LED indicator at the drawn-out lamp side starts flashing.
Press the ENTER key to reset the counter. The LED indicator goes out.
5 Turn off the main power. Fit a new lamp into position.
End
»
With just one of the lamps drawn out, the optical mechanism may get unstable in temperature. To avoid this,
the projector comes in the reset mode.
»
For two or more projectors, their counters cannot be reset at once using the remote controller. Press the
ENTER key for resetting.
»
In the process mode, the historical information is also reset.