Keysight N9038A, Service Manual, Page: 148 / 745

148 Keysight N9038A MXE Service Guide
Input Selection & Level Control
Input Selection & Level Control Section Troubleshooting
15. Repeat step 13 and step 14 with the rest of the attenuation setting found
in Table 4-2 .
16. If no problem has been found with the functionality of the A10 Attenuator
B assembly carefully reconnect W29 and W30 to the A10 Attenuator B as
shown in Figure 4-4 . Torque all cable connections to 10 in-lbs.
Table 4-2 A10 Attenuator B Settings
Attenuation
Section Used
6 dB 10 dB 20 dB 30 dB
0 dB No No No No
6 dB
a
Yes No No No
10 dB No Yes No No
20 dB No No Yes No
30 dB No No No Yes
40 dB No Yes No Yes
50 dB No No Yes Yes
60 dB No Yes Yes Yes
66 dB
a Yes Yes Yes Yes
a. Option 503, 508, and 526 only