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N8973B
Service manual
Troubleshooting A High Band Problem - Keysight N8973B Service Manual
Nfa series
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
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RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)
Troubleshooting
Troubleshooting a High Band Problem
1. Reference Assembly Verification
Refer to
Figure
4-22. Remove cable W19 from A9 Input Attenuator A (1).
Measure the 4.8 GHz calibrator signal on the cable end with a functioning
Spectrum Analyzer.
Figure 4-22
W19 Location
Keysight NFA Series Noise Figure Analyzers Service Guide
173
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Table of Contents
Troubleshooting
Before You Start Troubleshooting
18
Front End Controller Troubleshooting Kit
23
Boot Up and Initialization Troubleshooting
45
Instrument Cannot Completely Load or Run the Operating System
60
Verify Video Signal Path Integrity
61
RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)
133
Troubleshooting
142
Troubleshooting a Low Band Problem
146
Troubleshooting a High Band Problem
173
RF Section Troubleshooting (N8976B)
199
Troubleshooting
206
Troubleshooting a Low Band Problem
209
Troubleshooting a High Band Problem
221
Front End Control Troubleshooting
229
A15 Front End Control Assembly Troubleshooting
235
Analog/Digital IF Troubleshooting
247
A2 Analog I.F. Troubleshooting
253
A3 Digital I.F. Troubleshooting
263
L.O. Synthesizer/Reference Troubleshooting
269
A14 L.O. Synthesizer Troubleshooting
272
A16 Reference Assembly Troubleshooting
282
CPU/Disk Drive Troubleshooting
291
A4 Processor Assembly Troubleshooting
295
A5 Disk Drive Troubleshooting
299
10 Power Supply/Midplane Troubleshooting
303
A6 Power Supply Basic Troubleshooting
310
A7 Midplane Assembly Troubleshooting
315
11 Front Panel/Motherboard Troubleshooting
317
A8 Motherboard Troubleshooting
319
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This manual is also suitable for:
N8974b
N8975b
N8976b
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