Datasheet
55
61335M Main Logic Board Maintenance Kit
Install the New MLB
5/8/08 HC100 Maintenance Manual 61311L-001 Rev. A
Install the New MLB
1. Which communication option is being used?
Figure 30 • Remove the Ethernet Cover
2. See Figure 27 on page 51. Slide the new MLB under all the cable connectors previously
removed, while aligning the guide post on the rear of the main frame with the guide hole
in the MLB bracket.
3. Align the mounting holes of the MLB with the mounting posts on the main frame
assembly.
If you have a… Then…
Wired Ethernet a. See Figure 28 on page 53. Install the three standoffs on the new
MLB.
b. See Figure 30. Remove the Ethernet cover plate from the MLB
bracket by removing the screw securing it.
c. Slide the wired ethernet board into the hole in the MLB bracket
and then onto the three standoffs.
d. Install the three mounting nuts.
e. Continue to step 2.
Wireless Ethernet
a. See Figure 29. Install the wireless board connector into J1 on
the MLB.
b. Slide a spacer under the wireless board as aligning it with a
mounting holes in the wireless board.
c. Insert one of the mounting screws through the mounting hole in
the wireless board and then through the spacer and the MLB.
d. Install one of the mounting nuts, but do not tighten at this time.
e. Repeat this procedure for the other two mounting screws and
then tighten the three mounting nuts.
f. Continue to step 2.
Serial or USB port Continue to
step 2.
1
Mounting screw
2
Ethernet cover plate
1
2