Lamp/Maintenance Indicators
E-24
Lamp
The Lamp has a finite operating life.
1.
When the lamp is nearly burned out, the picture and color quality deteriorate. At this point, replace the lamp.
(See E-25.)
2.
If the new lamp does not light after replacement, take your projector to the nearest Authorized Sharp Industrial
LCD Products Dealer for repair.
• Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.
Maintenance Indicators
•
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 bulb.
•
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.
Notes:
• If the TEMPERATURE indicator light comes on, after servicing, please 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, preventing 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
Warning Indicator
TEMPERATURE
indicator
LAMP REPLACEMENT
indicator
Symptom
The internal
temperature is
abnormally high.
The lamp does not light
up.
Problem
•Blocked air intake.
•Clogged air filter.
•Cooling fan breakdown.
•Internal circuit failure.
•Burnt-out lamp.
•Lamp circuit failure.
Possible Solution
• Relocate the projector to a proper location.
• Clean the filter.
(See E-23.)
• Take the projector to your nearest
Authorized Sharp Industrial LCD Products
Dealer for repair.
• Carefully change the lamp.
• Take the projector to your nearest
Authorized Sharp Industrial LCD Products
Dealer for repair.
Check
• The projector power cord is not plugged into the AC wall outlet.
• The main power button is not pressed.
• The input is wrong. (See E-15.)
• Cables improperly connected to rear panel of the projector. (See E-9, 10 and 11.)
• Remote control batteries have run down. (See E-5.)
• Cables improperly connected to rear panel of the projector. (See E-9, 10 and 11.)
• The BRIGHTNESS and PICTURE adjustments are set to minimum position. (See E-16.)
• Check that the COLOR and TINT adjustments are correct. (See E-16.)
• Adjust the focus. (See E-7.)
• The projection distance is too long or too short to allow for proper focus. (See E-6.)
• Cables improperly connected to rear panel of the projector. (See E-9, 10 and 11.)
• Volume is set to minimum. (See E-15.)
• 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 E-24.
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.
POWER
LAMP
TEMP.
LAMP REPLACEMENT indicator
TEMPERATURE indicator
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G. K . A s s o c i a t e s , To k y o
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