Christie Projector D4K2560 User Manual

   Maintenance
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Filtration
Replace the light engine air filter
This filter is located on the lens side of the proj ector behind the air filter cover. Check the condition 
of this filter monthly. Replace the light engine air filter when replacing the lamp, or sooner when 
operating the projector in a  dusty or dirty environment.
1. Release the two tabs on the air filter cover.
2. Lift up the cover enough for the bottom tabs to clear the frame and...

   Maintenance
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Replace the laminar airflow device filter
The laminar airflow device (LAD) filter is attached  to the light engine assembly handle in the light 
engine compartment. Inspect the LAD filter every six months.
1. Shut down the projector. 
2. Unlock and remove the front top cover.
3. Unlock and remove the light engine lid.
4. Remove the two screws securing the laminar airflow device filter (LAD) assembly to the bracket.
5. Pull out and...

   Maintenance
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1. Shut down the projector, disconnect from power, and let it cool. 
2. Put on the protective clothing and face shield.
3. Use the key to open the lamp door and access the lamp compartment. 
Do not lean, or place heavy objects on the open lamp door.
For more details, see  Maintenance shutdown  on page 57.
Adjust the yoke assembly
After installing the lamp, to ensure  optimal operation of the lamp, 
check that the anode yoke is in the...

   Maintenance
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2. Fold a microfiber cloth and wipe the remainin g dust particles off the lamp with the smooth 
portion of the cloth that has no folds or creases.  Do not apply finger pressure. Instead, use the 
tension in the folded cloth to remove the dust.
Inspect and clean optics
Inspect these components periodically in a clean,  dust-free environment using a high-intensity light 
source or flashlight. Clean them only when dust, di rt, oil,...

   Maintenance
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Remove fingerprints, smudges, or oil from the projection lens
1. Brush most of the dust off with a camelhair brush or use a dust-free blower.
2. Wrap a lens tissue around a swab and soak it  in lens cleaning solution. The tissue should be 
damp but not dripping.
3. Gently wipe the surface using a figure eight motion. 
4. Repeat until the blemish is removed. Clea n the lens only if absolutely required.
Remove the projection lens
5. Close...

   Maintenance
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• Incorrect reporting of the lens motor position.
• Inability to use the full range of the lens motors.
• Lens motors traveling outside of the pre-defined keep-out area.
• Damage to the projector.
Calibrate the lens motors when any  of the following conditions are met:
• After a lens change.
• After the projector is moved and/or jostled.
• After the lens motor IMCB has been replaced.
To calibrate the lens motors, on the touch panel...

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Troubleshooting
This section provides information and procedur es for resolving common projector issues. If a 
projector issue cannot be resolved, contact a Christie accredited service technician.
Projector does not power on
• Make sure the projector circuit breaker is set to the on position.
• Check the status LEDs on the rear corners of th e projector for a fault condition. A flashing red 
LED indicates an alarm or warning preset with  the projector...

   Troubleshooting
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A cross-connection hazard can occur when installin g multiple projectors at once. A fire hazard 
exists if a lamp power supply interlock cable is  connected to a different projector than its lamp 
power cables. 
Flicker, shadows or dimness
• Make sure the shutter is fully open.
• Verify that a LampLOC calibration is not already in progress.
• Perform a LampLOC calibration.
• Increase the lamp power. Lamps which are near  end of...

   Troubleshooting
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Inaccurate display colors
• Adjust the color, tint, color space, and co lor temperature settings of the input source. 
• On the touch panel controller, tap  Menu > Configuration > Color Correction  and verify the 
settings are correct.
Display is not rectangular
• Verify the projector is level and the lens  surface and screen are parallel to one another.
• Adjust the vertical offset of the lens mount.
Display has suddenly frozen
• If...

   Troubleshooting
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Touch panel controller or projector head 
problems on startup
Check the following to determine if the touch pa nel controller (TPC) or the projector head are 
experiencing problems on startup.
The projector has two sets of LEDs to help distingu ish how far into the start-up process it is when a 
problem occurs.
For more details, see  LED expected behavior on power up  on page 45.
The Projector LEDs or the MCPU board power LED are not...