Parts and Module Replacement
CP42LH Service Manual
47
020-101686-03 Rev. 1 (08-2016)
Touch panel controller
Estimated replacement time: 2 m 15 minutes for the software
upgrade
.
1. Disconnect the touch panel controller (TPC) harness from the
connector on the back of the projector.
2. Loosen the TPC mounting to remove the TPC assembly from the ball
joint at the back of the projector.
Feet
Estimated replacement time: 6 m 10 minutes for image adjustment
1. Loosen the foot lock nut (A).
2. Unscrew the foot until it is no longer engaged in the baseplate.
3. Remove the foot.
Filters
Clean a washable filter
While used paper filters must be discarded, you can clean the blue electrostatic filters. If the
amount of dirt on the filter is minimal, use a vacuum or compressed air to remove it. If you use
compressed air, the air must move through the filter in the opposite direction of the air flow
indicator on the side of the filter.
1. Hold the filter on an angle under warm running water so the water flows through the filter in
the opposite direction of the air flow indicator on the side of the filter.
2. Rinse the filter thoroughly.
Use of the projector’s rear safety strap is mandatory during foot replacement to prevent
the projector from tipping. Keep three of the projector’s feet on the table at all times. Failure
to comply could result in minor or moderate injury.
Use only high efficiency Christie approved filters. Never operate the projector without the
filter installed. Never reuse an old paper air filter. Failure to comply may result in equipment
damage.
The installation of a filter that has not been allowed to dry completely can cause an electrical
short and damage the projector.
A
