Diffuser Control Board (Dib Pcb) - Christie Cinema 4K-RGB Service Manual

6. Note the location of each board in the card cage and carefully remove all boards from the card
cage.
Set the boards on an ESD-safe surface.
7. Remove the six screws securing the laser backplane board bottom cover to the laser driver
card cage housing.
8. Remove bracket from the cage.
9. Remove the laser backplane board from the bracket and move the bracket to the new laser
backplane board.
10. Replace the laser backplane board.
11. To re-install, follow these steps in reverse order.

Diffuser control board (DIB PCB)

Learn how to replace the diffuser control board (DIB).
1. Remove the pump module (on page 64).
2. Disconnect the J135 harness connector, the J136 harness connector, and the harness to the
diffuser.
3. Remove the screw (the right arrow in the image in step 2) securing the board and remove the
board.
4. Replace the board.
5. To re-install, follow these steps in reverse order.
Cinema 4K-RGB Service Guide–CP4315-RGB, CP4320-RGB, CP4325-RGB, CP4330-RGB
020-102713-06 Rev. 1 (08-2022)
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If printed, please recycle this document after use.
Printed circuit boards and sensors
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