NPSUB Board Assembly Replacement

Prerequisites

Overview

Move the cradle to the OUT mechanical limit position by hand.
Raise the Table to its highest position.

note:
If the Table up/down movement is inoperative, use the service power cable to raise the Table (refer to Enforced Table Elevation).
Remove power from Table by turning off “120VAC”, “Axial Drive” and “HVDC” switches on the service switch panel.
Remove the following covers from the Table:
- Rear Bottom Cover (Refer to Table Covers Removal)
- Front Bottom Cover (Refer to Table Covers Removal)
- Protect Cover (Three(3) Screws)
Figure 1. NPSUB Board Location
Disconnect the three cable connectors (J1 ~ J3) from the NPSUB Board Assy.
Remove the NPSUB Board Assy by unscrewing its four screws.
Install the new NPSUB Board Assy by referring toStep 6 through Step 5.
Restore the Table to original configuration.

No finalization steps.