Signal Generator Replacement - Anritsu S412E Maintenance Manual

7-7 Signal Generator Replacement

7-7 Signal Generator Replacement
This procedure provides instructions for removing and replacing the Signal Generator PCB Assembly. This
procedure requires a Cable Removal Tool, Anritsu part number 783-1399, to remove a co-axial cable connected
between the Main PCB and Signal Generator PCB.
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 the
Note
Signal Generator PCB Assembly. Remove the screws and move the SPA board to the side.
4. Remove the castle nut on the Audio In connector on the top panel and the two screws shown in
Figure 7-9. Remove Castle Nut and Two Screws
7-8
Section 7-2 "Opening the S412E
Section 7-4 "SPA Assembly
Remove castle nut
PN: 10580-00324 Rev. N
Chapter 7 — Assembly Replacement
Case".
Section 7-3 "PCB Assembly
Replacement".
Remove 2 screws
Figure 4.
S412E MM