Christie Projector Mirage 4K25 User Manual

   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 66.
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....

   Maintenance
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Calibrate the lens motors
If the lens motors are not calibrate d properly, implications may include:
• 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...

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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...

   Troubleshooting
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• Verify the number of hours the lamp has operated . A lamp nearing the end of its operational life 
should be replaced.
• Check for a cross-connected condition. 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...

   Troubleshooting
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Cannot communicate with projector
• Make sure the computer and the projector are both connected to the network.
• Make sure that all input devices have the same subnet mask and unique IP addresses.
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...

   Troubleshooting
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• If one or more of the signals are listed as Inactive, either an incorrect channel has been 
selected or the cables are not plugged into the correct inputs.
• If one or more of the signals is listed as Unlocked or Out of phase, the source is not properly  frame locked to the master signal. This usually occurs when two independent sources are not 
locked together. Verify the setup of the source s. If the sources are locked...

   Troubleshooting
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Touch panel controller does not connect
If the projector LEDs display so lid yellow and the touch panel controller (TPC) has power but does 
not connect, the projector head is fine. However,  a problem could exist between the TPC and the 
MCPU board.
• Disconnect the corded harness to the TPC and reconnect it. You may need to replace the corded harness.
• Check for physical damage to the harness be tween the external TPC port and...