Replacing The Fan Control Board (Cfcb); Replacing The Dual Temperature Sensor Module (Dtsm) - Christie Crimson Series Service Manual

7. Replace the backplane board, if required.
8. To re-install, repeat these steps in reverse order.

Replacing the fan control board (CFCB)

The fan control board (CFCB) is located on top of the light module.
1. Remove the top cover (on page 42).
2. Disconnect the 14 harnesses on the fan control board.
The 14 harnesses to remove: J301, J300, P302, P304, P308, P309, P312, P313, P314, P315,
P316, P317, P318.
3. Remove the four screws securing the fan control board.
4. Pull back the harnesses and pull out the board.
5. Replace the board, if required.
6. To re-install, repeat these steps in reverse order.
Replacing the dual temperature sensor module
(DTSM)
The dual temperature sensor module (DTSM) monitors the ambient air temperature going into the
projector.
1. Remove the electronics-side cover (on page 43).
2. Disconnect the J82 harnesses.
3. Remove the single screw securing the DTSM board.
Do not to lose the plastic washer under the DTSM board, which is located between the board
and the metal bracket (it acts as a thermal insulator). When re-installing the DTSM board,
make sure that this plastic washer goes back in the same place. There is also one under the
metal washer under the screw.
Crimson Service Guide–Crimson HD25, Crimson WU25, Crimson HD31, Crimson WU31, Mirage HD25, Mirage WU25
020-102733-02 Rev. 1 (01-2020)
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Printed circuit boards and sensors
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