Troubleshooting - Sharp XV-Z17000 Operation Manual

Troubleshooting

Problem
No picture or projector does
not start
Color is faded or poor.
Picture is blurred;
noise appears.
An unusual sound is
occasionally heard
from the cabinet.
Maintenance
indicator on the
projector illuminates.
Picture is green when
receiving YPbPr
signals and the video
equipment is connected
to the COMPONENT or
COMPUTER/COMPONENT
terminal on the projector.
Picture is pink when receiv-
ing RGB signals and the video
equipment is connected to the
COMPONENT or COMPUTER/
COMPONENT terminal on the
projector.
The black levels of the
image show banding or
appear faded when HDMI1
or 2 is selected.
Picture is too bright and
whitish.
-72
• Projector power cord is not plugged into the wall outlet.
• Power to the external connected devices is off.
• The lens shutter is closed.
• The selected input mode is wrong.
• Cables are incorrectly connected to the projector.
• Remote control battery has run out.
• External output has not been set when connecting notebook computer.
• The lamp unit cover is not installed correctly.
• The selected "Signal Type" is wrong.
• The video signal format of the video equipment is not set correctly.
• "Bright" is set to minimum position.
• Image adjustments are incorrectly set.
(S-VIDEO or VIDEO input)
• Video input system is incorrectly set.
(COMPONENT, COMPUTER/COMPONENT or HDMI1, 2 input)
• Input signal type is incorrectly set.
• Adjust the focus.
• The projection distance exceeds the focus range.
(Computer input)
• Perform "SIG-ADJ" Adjustments ("Clock" Adjustment)
• Perform "SIG-ADJ" Adjustments ("Phase" Adjustment)
• Noise may appear depending on the computer.
• The "DNR" (Digital Noise Reduction) or "MNR" (Mosquito Noise Reduc-
tion) setting is not correct.
• There is fog on the lens. If the projector is carried from a cold room into a
warm room, or if it is suddenly heated, condensation may form on the surface
of the lens and the image will become blurred. Please set up the projector at
least one hour before it is to be used. If condensation should form, remove the
power cord from the wall outlet and wait for it to clear.
• If the picture is normal, the sound is due to cabinet shrinkage caused
by a room temperature changes. This will not affect operation or perfor-
mance.
• See "Maintenance Indicators".
• Change the input signal type setting.
• Make adjustments that result in the best picture quality in the "Dynamic
Range" setting.
• Image adjustments are incorrectly set.
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