Barco – TransForm A – DOC-3358-2 – service manual – Revision 06 – March 2007
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3-5
•
If you detected that one power module must be exchanged, then switch off the power supply by means of
the respective power switch [9a] or [9b] on the back of the O
MNI
B
US
A18, please refer to
Input power good [4] should then be off.
•
On the front loosen the securing screw [1] of the defective power module. You need an Allen key size 3/16”
to turn the screw. This Allen key was provided with the system. When the screw is loosened use the handle
[3] to remove the module.
Use gloves to remove the power module. The cover of the power module is been used as
heat sink for cooling, usually the temperature is very high under full condition!
Never touch the contacts on the backside of a power module. There is the danger of being
harmed by residual voltage!
Furthermore the operation of the power module might be impacted by impurities!
Figure 3-4
Removing the power module
•
Take a new power module and insert it as far as possible into the empty slot. Then screw the securing screw
[1] unless the module fits tight in the housing.
•
On the back of the O
MNI
B
US
A18 switch on the respective power switch and check the LED’s on the power
module. Both LED’s on the power module should lighten.
•
Readjust the front cover at the front of the O
MNI
B
US
A18 and tighten the three housing screws [4], [5] and
[6] at the upper side; please refer to
