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Lamp/Maintenance Indicators
Lamp
The lamp operating life differs, depending on the usage environment. It is recommended that the lamp be
replaced after 2,000 cumulative hours of use.
• When the lamp is nearing the end of its operating life, the picture and color quality will deteriorate. At this point, replace the
lamp. (See pages 31 and 32.)
Check
• The projector AC cord is not plugged into the AC wall outlet.
• The main power switch is not pressed.
• The input is wrong. (See pages 22 and 23.)
• Cables improperly connected to rear panel of the projector. (See pages 14, 15, 16 and 17.)
• Remote control batteries have run down. (See page 7.)
• The optional cable for the remote control is improperly inserted.
• The main power of the remote control is not turned on.
• The remote control’s MOUSE/ADJUSTMENT switch is set to MOUSE.
• Cables improperly connected to rear panel of the projector. (See pages 14, 15, 16 and 17.)
• The PICTURE and BRIGHT adjustments are set to minimum position. (See page 24.)
• On-Screen Display (“BLACK SCREEN”) is turned off and Black Screen function is turned on, creating a
black image. (See page 27.)
• The COLOR and TINT adjustments are not correct. (See page 24.)
• Adjust the focus. (See page 9.)
• The projection distance is too long or too short to allow for proper focus. (See page 10.)
• Cables improperly connected to rear panel of the projector. (See pages 14, 15, 16 and 17.)
• Volume is set to minimum. (See page 23.)
• If the picture is normal, the sound is due to cabinet shrinkage caused by temperature changes. This
will not affect operation or performance.
• Refer to “Lamp/Maintenance Indicators” on page 30.
Problem
No picture and no sound.
Sound is heard but no picture
appears.
Color is faded or poor.
Picture is blurred.
Picture appears but no sound is
heard.
An unusual sound is occasionally
heard from the cabinet.
Maintenance indicator lights up.
Notes:
• If the TEMPERATURE indicator comes on, follow the above possible solutions and then wait until the projector has cooled down completely
before turning the power back on. (At least 5 minutes.)
• When the power is turned off and then turned on again, as during a brief rest, the LAMP REPLACEMENT indicator may be triggered, pre-
venting the power from going on. When this happens, take the power plug out of the AC outlet and put it back in again.
Before Calling for Service
Problem
• Blocked air intake.
• Clogged air filter.
• Cooling fan breakdown.
• Internal circuit failure.
• Burnt-out lamp.
• Lamp circuit failure.
Warning Indicator
The internal
temperature is
abnormally high.
TEMPERATURE
indicator
LAMP REPLACE-
MENT indicator
The lamp does not
light up.
Symptom Possible Solution
• Relocate projector to a proper location.
• Clean the filter.
(See page 29.)
• Take the projector to your nearest Autho-
rized Sharp Industrial LCD Products Dealer
or Service Center for repair.
• Carefully replace the lamp.
• Take the projector to your nearest Autho-
rized Sharp Industrial LCD Products Dealer
or Service Center for repair.
• The warning lights on the projector indicate problems inside the
projector.
• There are two warning lights: a TEMPERATURE indicator which warns
that the projector is too hot, and a LAMP REPLACEMENT indicator which
lets you know when to change the lamp.
• If a problem occurs, either the TEMPERATURE indicator or the LAMP
REPLACEMENT indicator will light up red, and the power will shut off.
After turning off the power, follow the procedures given below.
LAMP REPLACEMENT
indicator
TEMPERATURE
indicator
Maintenance Indicators
Note: The lamp usage time can be checked with the On-Screen display. (See page 26.)
• If the new lamp does not light after replacement, take your projector to the nearest Authorized Sharp Industrial LCD Products
Dealer or Service Center for repair.
• Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.
POWER LAMP TEMP.