Christie Projector Mirage 4K35 User Manual

   Maintenance
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3. Set the lamp power supply’s three breaker switches to the off positions.
4. Disconnect the projector from AC power.
Ventilation and cooling
Vents and louvers provide ventilation, both for intake and exhaust. Do not install the projector near 
a radiator, heat register, or within an enclosur e. To ensure adequate airflow, keep a minimum 
clearance of 50 cm (20 inches) around the pr ojector and never block or cover the vents....

   Maintenance
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3. Vacuum loose dirt from the lamp blower impeller.
4. If necessary, use a soft brush dampened with hot water.
or
Fold a clean microfiber cloth and dampen with  methanol and wipe evenly with the smooth 
portion of the cloth that has no folds or creases.  Do not apply finger pressure. Use the solution 
in the cloth to collect the dirt.
For more details, see  Maintenance shutdown  on page 70.
Inspect and fill the coolant reservoir
The...

   Maintenance
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5. Disconnect the communications harness from the coolant reservoir.
6. Disconnect the coolant hoses from the coolant reservoir.
7. Remove the three screws securing the reservoir bracket to the projector base plate.
8. Lift and remove the reservoir from the projector.
9. Refill the reservoir as needed.
10. Replace the cap.
11. To reinstall the liquid cooling reservoir, repeat these steps in reserve order.
12. Check for leaks,...

   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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Adjust the yoke assembly
After installing the lamp, to ensure  optimal operation of the lamp, 
check that the anode yoke is in the correct position for the lamp 
type:
Inspect and clean the lamp
• Check the contact surfaces of the anode (positive) and the cathode (negative) connections for 
cleanliness.
• Clean electrical contact surfaces regularly to prevent contact resistance from scorching  connectors. Use an approved contact...

   Maintenance
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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, fingerprints, or other marks are obvious. 
Never touch an optical surface with bare hands. Always wear lint-free lab gloves.
The following tools are recommended for removing dust or grease:
• Powder free latex gloves
• Soft camel-hair brush
•...

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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 the shutter. 
6. Attach a large lens cap to the front of the lens to avoid damage.
7. Release the lens locking lever (up position).
8....

   Maintenance
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Install the projection lens
1. Make sure the lens locking lever is in the up position.
2. If attached, remove the rear lens cap from the lens.
3. Slide the lens into the lens mount, aligning all connections. 
4. Secure the lens with the lens locking lever (down position).
5. Calibrate the lens motors, as described below.
Calibrate the lens motors
If the lens motors are not calibrate d properly, implications may include:
• Incorrect...

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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 that all three circuit breakers on  the lamp power supply (LPS) are turned 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...