Keysight N9038A MXE Service Guide 147
Input Selection & Level Control
Input Selection & Level Control Section Troubleshooting
12.
Turn on the Marker Delta function of the spectrum analyzer being used.
13.
Change the A10 Attenuator B setting to 10 dB by pressing
AMPTD
,
Attenuation
,
Mech Atten
,
10 dB
.
14.
Verify that the signal level on the spectrum analyzer drops by 10 dB (±0.25
dB) from where it was, as shown in
.
If the signal level is incorrect the most likely cause of the problem is the
A10 Attenuator B assembly itself. However, before replacing an A10
Attenuator B assembly for any failure, refer to
for information on how to verify the control signals to it.
Figure 4-14
A10 Attenuator B
−
10 dB
Содержание N9038A
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Страница 436: ...Keysight N9038A MXE Service Guide 455 Service and Diagnostics Menus Service Menus Figure 16 5 Alignments Menu ...
Страница 500: ...Keysight N9038A MXE Service Guide 519 Replaceable Parts Hardware Figure 17 23 Front Frame Exploded View LED Backlight ...
Страница 504: ...Keysight N9038A MXE Service Guide 523 Replaceable Parts Hardware Figure 17 26 Front Frame Exploded View CCFL Backlight ...
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