Removing The Keypad Board; Replacing The Main Board - Christie DHD410S Service Manual

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.
3. To separate the keypad and the left cover, loosen the two M3 captive screws with a Phillips #1
screwdriver.
4. Take out the keyapd and keypad board from the projector.
5. Remove the mylar which is phased on the keypad board.
6. Replace the keypad board.
7. To re-install, follow these steps in reverse order.

Replacing the main board

To remove the main board, complete the following steps.
1. Remove the top cover.
See
Removing the top cover
DHD410S Service Manual
020-001481-01 Rev. 1 (10-2018)
on page 46.
on page 46.
Printed circuit boards and sensors
68