Replacing The Rear Ir Sensor Board (Rear Irb) - Christie Crimson Series Service Manual

4. Pull up the board off the post.
5. Replace the board, if required.
6. To re-install, repeat these steps in reverse order.

Replacing the rear IR sensor board (rear IRB)

The rear IR sensor board (rear IRB) receives command codes from the IR remote to control the
projector operation.
1. Remove the rear cover (on page 42).
2. Disconnect the rear IR harness (P108).
3. Remove the screw securing the rear IR sensor board to the bracket.
Crimson/Mirage 25:
Crimson Service Guide–Crimson HD25, Crimson WU25, Crimson HD31, Crimson WU31, Mirage HD25, Mirage WU25
020-102733-02 Rev. 1 (01-2020)
Copyright 2020 Christie Digital Systems USA, Inc. All rights reserved.
©
Printed circuit boards and sensors
93