129708-01 | 119524/119522 SPK Power Stage Interface Board

1. Ensure that power to the Drive is removed.
2.The Power Stage Interface Board is located on the front side of
the 2nd swing down cabinet in the 1395 enclosure as shown inFigure 1.
3. Loosen the two thumb screws at the top of the first swing
down panel, and carefully swing the complete panel down toaccess the PSI Board.
4.Disconnect all ribbon cables and wire connectors (J2 – J14 and
TB2) at the Power Stage Interface Board. All potential
connections that may need to be disconnected are identified
5.Position the new Power Stage Interface Board on the backingplate and snap it down into place on the standoffs. Check tomake certain that all locking tabs have snapped into position.Reinstall the backing plate/board assembly in the enclosureand secure with the two thumb screws.