Gps (Option 31) Replacement - Anritsu S412E Maintenance Manual

Chapter 7 — Assembly Replacement
7-6

GPS (Option 31) Replacement

This procedure provides instructions for removing and replacing the GPS Module.
1. Open the case as described in
2. Remove the PCB Assembly from the front panel as described in
Replacement".
3. Remove the SPA board as described in
The SPA board cables, connector and the DSP board do not need to be removed when replacing
Note
the GPS Module. Remove the screws and move the SPA board to the side.
4. If not already removed, use a 5/16 inch wrench to remove the nut and washer from the GPS SMA
connector. Push the connector through the top panel.
5. Remove the 2 screws retaining the GPS module to the Main/VNA board.
6. Carefully lift straight up on the GPS module to remove. The back of the GPS module board is directly
connected to the Main/VNA board.
7. Installation is the reverse of removal.
Remove nut and washer
from GPS SMA connector
Remove
2 screws
Figure 7-8. Removing the GPS Module from the Main/VNA board (SPA board set to the side)
S412E MM
Section 7-2 "Opening the S412E
Section 7-4 "SPA Assembly
PN: 10580-00324 Rev. N
7-6 GPS (Option 31) Replacement
Case".
Section 7-3 "PCB Assembly
Replacement".
7-7