Sharp Xg C50x Projector User Manual

Appendix
Appendix 

-80
Cleaning the lens
■Use a commercially available blower or lens
cleaning paper (for glasses and camera lenses)
for cleaning the lens. Do not use any liquid type
cleaning agents, as they may wear off the coat-
ing film on the surface of the lens.
■As the surface of the lens can easily get dam-
aged, be sure not to scrape or hit the lens.
Cleaning the exhaust and intake vents
■Use a vacuum cleaner to clean dust from the
exhaust vent and the intake vent.
Maintenance
Cleaning the projector
■Be sure to...

Appendix
-81
Replacing the Air Filter
Air filter
Ta b
M4
M4
M4
M4
• This projector is equipped with air fil-
ters to ensure the optimal operating
condition of the projector.
• The air filters should be cleaned ev-
ery 100 hours of use. Clean the filters
more often when the projector is used
in a dusty or smoky location.
• Ask your nearest Sharp Authorized
Projector Dealer or Service Center to
exchange the filter (PFILDA005WJZZ)
when it is no longer possible to clean.
Cleaning and replacing
the bottom air...

4Clean the air filter.
•Clean the dust off the air filter and
cover with a vacuum cleaner extension
hose.
5Replace the air filter.
•Place the air filter underneath the tabs
on the filter cover.
6Replace the filter cover.
•Slide the filter cover in the direction of
the arrow to close it.
Note
•Be sure the filter cover is securely
installed. The power will not turn on
unless it is correctly installed.
•If dust or dirt has collected inside the
bottom air filter (not removable), clean the
filter with a...

Appendix
-83
Maintenance Indicators
■The warning lights on the projector indicate problems inside the projector.
■If a problem occurs, either the temperature warning indicator or the lamp replacement indicator will
illuminate red, and the power will turn off. After the power has been turned off, follow the proce-
dures given below.
Temperature warning
indicator Lamp replacement
indicator Power indicator
About the temperature warning indicator
If the temperature inside the pro-
jector increases, due to...

-84
Maintenance Indicators
Info
•If the temperature warning indicator illuminates, and the power turns off, follow the above possible solutions
and then wait until the projector has cooled down completely before plugging in the power cord and  turning
the power back on. (At least 5 minutes.)
•If the power is turned off and then turned on again, as during a brief test, the lamp replacement indicator may
be triggered, preventing the power from going on. Should this occur, take the power cord out of the...

Appendix
-85
Lamp
■It is recommended that the lamp (sold separately) be replaced when the remaining lamp life be-
comes 6% or less, or when you notice a significant deterioration in the picture and color quality. The
lamp life (percentage) can be checked with the on-screen display. See page 70.
■For lamp replacement, please consult your nearest Sharp Authorized Projector Dealer or Service
Center.
IMPORTANT NOTE TO U.S. CUSTOMERS:
The lamp included with this projector is backed by a 90-day parts and labor...

Power (OFF) button
Lamp
unitBQC-XGC50X//1
User service screw
Removing and Install-
ing the Lamp Unit
Info
•Be sure to remove the lamp unit by the
handle. Be sure not to touch the glass
surface of the lamp unit or the inside of
the projector.
•To avoid injury to yourself and damage
to the lamp, be sure to carefully follow
the steps below.
•Do not loosen other screws except for the
lamp unit cover and lamp unit.
(Only the silver screws are loosened).
•Please refer to the installation manual
included with...

Appendix
-87
Securing
screw
AC socket
INPUT button
ENTER button User service screw
UNDO buttom Power (ON)
button
5Remove the lamp unit.
•Loosen the securing screws from the
lamp unit. Hold the lamp unit by the
handle and pull it in the direction of
the arrow.
6Insert the new lamp unit.
•Press the lamp unit firmly into the lamp
unit compartment. Fasten the secur-
ing screws.
7Attach the lamp unit cover.
•Insert the tab of the lamp unit cover
into the opening, and press the cover
until it clicks in place....

-88
RS-232C Terminal:9-pin Mini DIN female connector
Pin No. Signal Name I/O Reference
1 VCC +3.3V (Reserved)  Output Not connected
2 RD Receive Data Input Connected to internal circuit
3 SD Send Data Output Connected to internal circuit
4 EXIR Detector of Option Unit Input Not connected
(Reserved)
5 SG Signal Ground Connected to internal circuit
6 ERX IR Receive Signal from Input Not connected
IR Amplifier (Reserved)
7 RS Request to Send  Output Not connected
8 CS Clear to Send Input Not connected
9 ETX...