Keysight N8973B User Manual

Keysight NFA Series Noise Figure Analyzers Service Guide 319
Front Panel/Motherboard Troubleshooting
A8 Motherboard Description
— (6) Analog Card Cage Connectors (J1, J11, J31, J41, J51, J61)
— (4) Digital Card Cage Signals and voltages using PCI connectors (J4, J12,
J32, J42)
— (1)Analog Power (J2)
— (1) Mixed Power (J3)
— (2) Front Panel Connectors (J5 and J9)
— (2) Fan Connector (J6 and J7)
Figure 11-2 Motherboard Connectors
A8 Motherboard Troubleshooting
There are no troubleshooting procedures for this assembly. If the Motherboard
is suspect, it must be replaced.
Table 11-1
Motherboard
Connector
What Plugs In? Motherboard
Connector
What Plugs In?
J1 A7, Midplane J11 A3, Digital I.F, analog signals
J2 A7, Midplane J12 A3, Digital I.F, analog signals
J3 A7, Midplane J31 Option Slot
J4 A7, Midplane J32 Option Slot
J5 A7, Midplane J41 Option Slot
J6 B2, Fan #2 J42 Option Slot
J7 B1, Fan #1 J51 A14, L.O. Synthesizer
J9 Front Panel J61 A15, Front End Control

Keysight N8973B Specifications

General

Brand	Keysight
Model	N8973B
Category	Measuring Instruments
Language	English