Replacing The Front Ir Sensor Board (Front Irb); Replacing The Convenience Light Board (Clb) - Christie 4K40-RGB Series Service Manual

4. Pull up the board off of the pin.
5. Replace the board.
6. To re-install, follow these steps in reverse order.

Replacing the front IR sensor board (front IRB)

The front IR sensor board (front IRB) receives command codes from the IR remote to control the
projector operation.
1. Remove the front cover.
2. Disconnect the front IR harness (J108_F).
3. Remove the single screw securing the front IR sensor board to the bracket.
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 convenience light board (CLB)

The convenience light boards (CLB) provides extra illumination when interfacing with the card cage.
1. Remove the electronics-side cover (on page 34).
2. Remove the two screws securing the affected CLB.
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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