Printed Circuit Boards And Sensors; Removing The Processor Board; Removing The Front Infrared (Ir) Sensor - Christie M Series Service Manual

Printed circuit boards
and sensors
Printed circuit boards (PCB) mechanically support and electrically connect to the projector
components. Sensors convert information such as temperature, light, and communication into
electrical signals.

Removing the processor board

Complete the following procedure to remove the processor board.
Estimated replacement time: 2 minutes.
1. Unscrew the captive screws.
2. Pull on the processor board clips to release the board from the PBP.
3. Slide the processor board out along the guides.
4. To re-install, follow these steps in reverse order.

Removing the front infrared (IR) sensor

The front IR sensor board receives command codes from the IR remote to control the projector
operation. The front IR sensor is located on the inside of the front cover. The printed circuit board
(PCB) is held by two small screws to the front cover.
Estimated replacement time: 6 minutes
1. Remove the top cover (on page 45).
2. Remove the front cover (on page 48).
3. Remove the two small screws from the IR PCB
4. Remove the front IR sensor PCB.
5. To re-install, follow these steps in reverse order.
M Series Service Guide
020-100551-11 Rev. 1 (01-2019)
Copyright 2019 Christie Digital Systems USA, Inc. All rights reserved.
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