Keysight N9038A MXE Service Guide 285
Front End Control
A15 Front End Control Assembly Troubleshooting
Figure 8-10 A11 RF Switch / High Band Preamp Control Front End Test Board
Verifying the Control for the A11 RF Switch / High Band Preamp
1. Remove the instrument dress cover (MP24) and top brace (MP10). Refer to
Chapter 18, “Assembly Replacement Procedures.” for instructions on
removing these covers.
2. Disconnect cable W4 from J103 as shown in Figure 8-6.
3. Connect the A11 RF Switch / High Band Preamp Control cable from J103
to the Front End Control Test board J2, as shown in Figure 8-3.
4. Place the Front End Control Test board on a non-conductive surface.
5. Turn the instrument on and allow it to complete its boot up process,
ignoring any alignment failures.
6. Turn the instrument auto alignment routine off by pressing System,
Alignments, Auto Align, Off.
To Next Page
Loading...
Need help?
General
