Christie FHD462-X, Руководство пользователя

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Maintenance and Troubleshooting
FHD462-X LCD Panel User Manual 49
020-000769-02 Rev. 1 (01-2016)
Image geometry is incorrect. • Incorrect aspect ratio selection. • Select a different aspect ratio.
The display is jittery or unstable. • Poor-quality or improperly
connected source. 
• The horizontal or vertical scan
frequency of the input signal may
be out of range for the display.
• Ensure that the source is properly
connected and of adequate quality
for detection.
• Correct at the source.
Image is too bright and/or lacks
definition in the bright areas of the
image. • Contrast is set too high. • Decrease the contrast setting.
Image appears “washed out” and/or
dark areas appear too bright. • Brightness is set too high. • Decrease the brightness setting.
Image is too dark. • Brightness and/or Backlight are
set too low.
• Increase the brightness and/or
backlight settings.
Images from an HDMI source do not
display. • The resolution and frequency of
the video card in the computer are
not compatible with the display.
• HDMI cable from source to display
is either defective or too long.
• Select a compatible resolution and
vertical frequency (refer to
Supported Timings on page 68).
• Try a known-good and/or shorter
HDMI cable.
Computer images do not display
correctly. • The resolution and frequency of
the video card in the computer are
not compatible with the display.
• Clock and Phase settings need
adjustment.
• Select a compatible resolution and
vertical frequency (refer to
Supported Timings on page 68).
• Adjust Clock and Phase settings
(refer to Clocks (VGA sources) on
page 40 and Phase (VGA sources)
on page 39).
Images from A Composite video
source do not display. • Both the Composite and S-Video
inputs are connected to sources
• Disconnect the S-Video source.
Symptom Possible Cause(s) Solution