Replacing The Diffuser Control Board (Dib Pcb) - Christie 4K40-RGB Series Service Manual

4. Remove the three screws securing the CSB and remove the board.
5. Disconnect the J29 harness.
6. To re-install the CSB, follow these steps in reverse order.
Do not install the cover over top of the new board. Discard the old cover and the new cover
provided with the new board.
7. After re-installing the board, perform optical adjustments (on page 14) and LiteLOC v1 (on
page 22) and DAC calibrations (on page 25).

Replacing the diffuser control board (DIB PCB)

1. Remove the coolant reservoir (on page 50).
4K40-RGB Series Service Guide–D4K40-RGB, Roadie 4K40-RGB, Mirage 4K40-RGB
020-102960-02 Rev. 1 (12-2019)
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Printed circuit boards and sensors
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