Removing The Keypad Board - Christie HS Series Service Manual

3. To take out the laser driver board, remove the two M3 screws with a Phillips #1 screwdriver.
4. On the laser driver board, unplug the three connectors.
5. To separate the laser driver board from the heatsink, remove the four M3 screws with a Phillips
#1 screwdriver.
6. Replace the red laser driver board.
7. Transfer the heatsink to the new laser driver board.
8. To re-install, follow these steps in reverse order.

Removing the keypad board

To remove the keypad board, complete the following steps.
1. Remove the top cover.
See Removing the top cover
2. Remove the keypad to LED board harnesses and keypad to main board harness from the clips.
HS Series D13 Service Manual
020-000892-03 Rev. 1 (12-2019)
on page 64.
Printed circuit boards and sensors
To LD board
To D-Boad
To LVPS board
107