Christie DHD410S, Руководство по обслуживанию

Страница: 72 / 77

Printed circuit boards and sensors
DHD410S Service Manual 72
020-001481-01 Rev. 1 (10-2018)
7. On the main board, remove the one cable.
8. If replacing the main board, transfer the cable to the new board.
9. Replace the main board.
10. To re-install, follow these steps in reverse order.
Replacing the audio board
To remove the audio board, complete the following steps
1. Remove the top cover.
See
Removing the top cover
on page 46.
2. Remove the main board.
See
Replacing the main board
on page 77.
3. Remove two hex screws, and then separate audio board.
4. Replace the audio board.
5. To re-install, follow these steps in reverse order.
Replacing the ECPIO board
To remove the ECPIO board, complete the following steps.
1. Remove the top cover.
See
Removing the top cover
on page 46.
2. Remove the main board.
See
Replacing the main board
on page 77.
3. Remove the audio board.
See
Replacing the audio board
on page 81.