Barco – TransForm A – DOC-3358-2 – service manual – Revision 06 – March 2007
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2-13
2.3.3
The side face of the OmniBus A18
15
15
fixation screw for elastic hold-down
Figure 2-16
Position of screws on the side of the O
MNI
B
US
A18
2.3.4
Opening the top cover of the OmniBus A18
Before opening the case, switch off the OmniBus A18 with the power button on the back!
Disconnect all power plugs! Remove all cables!
The boards of all TransForm A
devices contain CMOS components. Do not touch the
components, they could be destroyed!
•
Loosen the housing screws [12], [13], [14] on the back of the case shown in
Figure 2-15 Back of the OmniBus
. For these screws as well as for the screws inside of the O
MNI
B
US
A18 you need a size 2 Phillips screw-
driver. Some screws inside the O
MNI
B
US
A18 can be loosened with a 5.5 spanner as well.
Figure 2-17
Screws on the back of the case of the O
MNI
B
US
A18
•
Tear the top cover backwards unless it is not longer fixed to the sides of the housing. Now it can be easily
removed.
•
Across the expansion card an elastic hold-down is mounted. It must also be removed. Therefore carefully
loosen the fixation screw [15] on each side of the O
MNI
B
US
A18 as shown in
