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Sharp XV-C1OU Service Manual page 15

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XV-Cl
ou
H Controlling the total operating hours of the lamp
The following control is carried out when the lamp has been used for 1900 hours and 2000 hours.
1. After 1900-hour use
2 . After 2000-hour
use
3 .
4. .
When the power is turned on, "LAMP" appears in the on-screen display for about 1 minute (flashing in yellow)
and the lamp LED indicator lights up in red.
When the 1900-hour point comes up during use of the unit, the "LAMP" display starts flashing in yellow on the
screen for 1, minute at the very 1900-hour point.
Now the lamp LED indicator changes from green to red.
When the power is turned on, "LAMP" appears in the on-screen display for 5 minutes (flashing in red) and the
lamp LED indicator lights up in red. Five minutes thereafter, the power turns itself off and the unit is interrupted.
When the 2000-hour
point comes up during use of the unit, the "LAMP" display starts flashing in red on the
screen for 5 minutes at the very 2000-hour
point. Five minutes later, the power turns itself off and the unit is
interrupted.
(The lamp LED indicator stays red since the 1900-hour point.)
If you try to turn on the power twice after the 2000-hour
point, the unit remains off.
When the 2000-hour
point comes up, take the following
steps.
Replace the lamp with new one. While holding down both the "VOLUME Y' and "SELECT/ADJ
v" Keys on the
unit, turn on the main power switch (located on the back of the unit). The lamp operating hourmeter is now reset
to zero. Turn on the unit and make sure the time display shows "OOOOH".
Displaying
the total operating
hours of the lamp
Change the STATUS3 data settings:
PICTURE
at 0, BRIGHT at MAX, COLOR at MIN, TINT at MIN, and
SHARPNESS
at MAX. Hold down the SOUND DOWN and ENTER keys for longer than 2 seconds. By doing
this, the total operating hours will be displayed on the screen.
b
b
TIME
TOTAL TIME
OOOOH
OOOOH
15

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