Display Is Noisy; Display Has Suddenly Frozen; Data Is Cropped From Edges; The Projector Is On, But There Is No Image - Christie D4K25 User Manual

Section 8: Troubleshooting

8.13 Display is Noisy

• Adjust the input source pixel tracking, phase, and filter.
• Verify the video input is terminated (75 ohms). If the device is the last device in a linked series, verify the
video input is terminated at the last input source.
• Verify the cables connecting the input device to the projector meet the minimum requirements.
• Add signal amplification or conditioning if the distance between the input device and the projector exceeds
25 feet.

8.14 Display has Suddenly Frozen

Turn off the projector and unplug the power cord from the power source. Plug the projector power cord into a
power source and turn the projector on.

8.15 Data is Cropped from Edges

Reduce the image size to fill the display area, and then stretch the image vertically to fill the screen. Add an
anamorphic lens to regain image width. See

8.16 The Projector is ON, but There is No Image

• Ensure AC power is connected.
• Make sure the lens cover is removed from the lens.
• Make sure the douser is open.
• Tap on the main TPC screen. If the lamp does not strike, see
• Tap Menu > Channel Setup. Verify the correct channel is selected and the settings are correct.
• Ensure an active source is connected properly. Check the cable connections and make sure the alternative
source is selected.
• Verify you can select test patterns. If you can, check your source connections again.
• Ensure your server is running compatible software.

8.17 The Display is Jittery or Unstable

• Verify that the input device is connected properly. If the input device is not connected properly, the projector
repeatedly attempts to display an image.
• The horizontal or vertical scan frequency of the input signal may be out of range for the projector. See
tion Appendix A: Specifications
• The sync signal may be inadequate. Correct the source problem.

8.18 The Display is Faint

• Verify the input source is terminated only once.
• If the input is not a video source, use a different sync tip clamp location.
8-4
6.14.7 Screen File Setup
for scan frequency ranges.
Window.
8.2 Lamp Does Not Ignite, on page
020-100882-02 Rev. 1 (07-2012)
8-1.
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D4K25 User Manual