Replacing The Main Board And I/O Board - Christie GS Series Service Manual

Replacing the main board and I/O board

For DHD630-GS and DWU630-GS, only main board needs to be replaced. To remove the main board
and I/O board, complete the following steps.
1. Remove the top cover.
See Removing the top cover
2. Remove the rear IR board.
See Replacing the rear IR board
3. Remove the 11 M3 screws with a Phillips #1 screwdriver securing the top shielding.
4. On the top side of the main board, disconnect the 14 connectors, indicated by the arrows in the
image below.
H
G
F
E
D
C
B
A
GS Series 630-635 Service Manual
020-001224-02 Rev. 1 (08-2018)
on page 51.
on page 68.
I
Printed circuit boards and sensors
J
K
L
M
N
69