A8 Motherboard Troubleshooting - Keysight N8973B Service Manual

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,
— (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
Table 11-1
Motherboard What Plugs In?
Connector
J1 A7, Midplane
J2 A7, Midplane
J3 A7, Midplane
J4 A7, Midplane
J5 A7, Midplane
J6 B2, Fan #2
J7 B1, Fan #1
J9 Front Panel

A8 Motherboard Troubleshooting

There are no troubleshooting procedures for this assembly. If the Motherboard
is suspect, it must be replaced.
Keysight NFA Series Noise Figure Analyzers Service Guide
J32, J42)
Motherboard What Plugs In?
Connector
J11 A3, Digital I.F, analog signals
J12 A3, Digital I.F, analog signals
J31 Option Slot
J32 Option Slot
J41 Option Slot
J42 Option Slot
J51 A14, L.O. Synthesizer
J61 A15, Front End Control
319