Laser Backplane (Lbp7) Board - Christie Cinema 4K-RGB Service Manual

5. Replace the HVCS board.
6. To re-install, follow these steps in reverse order.

Laser backplane (LBP7) board

The laser backplane board (LBP7) provides the main interconnection for the laser boards.
1. Remove the laser driver card cage (on page 51).
2. Place the LDCC on level surface, resting on the plastic rails.
3. Loosen the two screws securing the bottom cover plate and pivot to remove it.
4. Remove all harnesses from the HVCS and LVCS boards.
5. Use the locking tabs located on each of the seven PCBs to disconnect them form the laser
backplane board.
The locking tabs are located on the bottom end of the LDCC.
Cinema 4K-RGB Service Guide–CP4315-RGB, CP4320-RGB, CP4325-RGB, CP4330-RGB
020-102713-06 Rev. 1 (08-2022)
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Printed circuit boards and sensors
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