Service manual

94 Chapter 4
Assembly Replacement and Post-Repair Procedures
Replacement of E5039B Module
Replacement
To install the module into the VXI mainframe, follow below steps.
Step 1. Open the new module and install the channel IC board as following steps.
1. Install new channel IC board (No. 2)
2. Screw 3 trox screws (No. 9)
3. Replace 5 spacers (No. 15) on the SMA connectors of the channel IC board.
4. Replace the right side panel (No. 3).
5. Screw 2 jack screws.
6. Replace the front panel (No. 4).
7. Replace the handles (No. 5 and No. 6) and screw 2 screws (No. 7) to fasten the front
panel.
8. Replace 2 washers (No. 10) and screw 2 nuts (No. 12) for the BNC connectors.
9. Replace 5 washers (No. 14) and screw 5 nuts (No. 13) for the SMA connectors.
10. Screw 12 torx screws (No. 8) on the right side panel.
Step 2. Write the faulty module’s serial number on the new module’s blank serial number tag using
a fine point permanent marker
Step 3. Write the faulty module’s serial number on the new module’s Certificate of Calibration.
Step 4. Insert the module into the VXI mainframe. Then, make sure the module is inserted deep
enough, and fix the module by tightening the screws on the front panel.
Step 5. Connect the cables to the module. Refer to “Cable Connection” section in this chapter.