Replacing PCA
The procedure to replace a VCU, CPU, is as follows:
1.
Unlock and open the door of the cabinet.
2.
Put on antistatic wrist strap.
3.
Switch OFF the power supply unit.
4.
Disengage the PCA from the Motherboard by pivoting the plastic card
ejectors on the top and bottom of the PCA front edge.
5.
Slide the PCA out of card cage, handling the PCA only by the top and
bottom edges. Do not touch components on the PCA.
6.
Store removed PCA in a static protection bag.
Toshiba VP Systems Release 7.1
July, 1994
5-80
Installation and Maintenance Manual
Printed Circuit
Assembly (PCA)
Figure 5-7 VP 300 Cardcage with Printed Circuit Assembly (PCA) and Option Control Chip (OCC)
Option Control
Chip (OCC)
Motherboard
Cardcage
Shelf A
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