GS Series 630-635 Service Manual
68
020-001224-02 Rev. 1 (08-2018)
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.
Replacing the rear IR
board
The rear IR sensor board receives command codes from the IR remote to control projector operation.
1. Remove the top cover.
2. On the rear cover, remove the two M3 screws securing the IR lens.
3. On the top shielding, remove one mylar.
4. On the main board, unplug IR connector.
5. Replace the rear IR board.
6. To re-install, follow these steps in reverse order.
