Lamp/Maintenance Indicators; Before Calling For Service - Sharp XV-380H Operation Manual

Lamp/Maintenance Indicators
Lamp
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The lamp has a finite operating life.
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When the lamp has nearly reached the end of its operating life, the picture and colour quality
deteriorate. At this point, take your projector to the nearest Authorized Sharp Professional LCD
Presentation Products Dealer for repair.
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Intense light hazard. Do not attempt to look into the aperture and lens while the projector is operating.
Maintenance Indicators
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The warning lights on the projector indicate problems inside the projector.
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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.
I 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.
-
- TEMPERATURE
MENT indi
indicator
ca tor
1 Warning Indicator
1
Symptom
1 Problem
Possible Solution
TEMPERATURE
indicator
*Blocked air intake.
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Relocate projector to a proper location.
The internal
temperature is
abnormally high.
*Clogged air filter.
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Clean the filter.
(See
GB-19.)
*Cooling fan breakdown.
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Take the projector to your nearest Authorized
@Internal circuit failure.
Sharp Professional LCD Presentation Products
Dealer.
LAMP
REPLACEMENT
indicator
The lamp does not
light up.
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Carefully change the lamp.
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Take the projector to your nearest Authorized
Sharp Professional LCD Presentation Products
Notes:
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If
the TEMPERATURE indicator
light comes on, after servicing, please wait until the projector has cooled down completeiy
before turning the power back on. (At least 5 minutes.)
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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
Problem Check
No picture and no sound.
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The projector power cord is not plugged into the AC wall outlet.
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The MAIN POWER switch IS set to OFF.
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The input is wrong. (See GB-14.)
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Cables improperly connected to rear panel of the projector. (See GB-12.)
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Remote control batteries have run down. (See G&5.)
Sound is heard but no picture
appears.
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Cables improperly connected to rear panel of the projector. (See GB-12.)
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The BRIGHTNESS and PICTURE adjustments are set to mrnrmum postion. (See GB-15.)
Colour is faded or poor.
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Check that the COLOR and TINT adjustments are correct. (See GB-15.)
Picture is blurred.
~ ~-
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Adjust the focus. (See GB-6.)
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The projection distance is too long or too short to allow for proper focus. (See GB-7.)
Picture appears but no sound is
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Cables improperly connected to rear panel of the projector. (See GB-12.)
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heard.
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Volume is set to minrmum. (See GB-14.)
An unusual sound is occasionally
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If the picture is normal, the sound is due to cabrnet shrinkage caused by tempefature Changes. TbIs
'
heard from the cabinet.
will not affect operation or performance.
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Maintenance indicator lights up.
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Refer to "Lamp/Maintenance Indicators" on GB-20.
f
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m-20
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