Reliant Octel 200 and Octel 300 Message Servers PB6001401 Manuale Utente Pagina 487

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Hardware
Replacement 9-55
Octel Overture 200/300 Serenade 3.0
PB60014–01
Removing the OCC
The
OCC assembly should always be moved as a unit that includes the OCC integrated circuit and the
socket in which it is mounted. The two parts of the assembly should never be separated.
1.
Perform the procedure in the Removing the Power Supply section.
2.
After the power supply is removed, remove the CPU and the VCU cards. Follow the instructions in
the Printed Circuit Assembly Replacement section.
3.
Locate the OCC assembly next to the top power supply connector on the motherboard. Using an IC
puller
,
carefully
pry the entire OCC assembly from the motherboard. If a pin is broken or bent
during removal, a new OCC must be ordered.
4.
Place the OCC assembly on an antistatic foam pad.
Installing the OCC
To
install the OCC assembly
, use the following procedures:
1.
Install the new OCC assembly next to the top power supply connector on the motherboard. Pin 1 on
the OCC assembly must be up.
2.
Replace the CPU and the VCU cards, as described in the Printed Circuit Assembly Replacement
section of this chapter
.
3.
Replace the power supply unit, as described in the Power Supply Unit Replacement section of this
chapter.
4. T
urn ON the message server
, and test for correct operation.
5.
Close and lock the door of the cabinet.
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