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N9040B Option 508
Keysight N9040B Option 508 User Manual
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Keysight T
echnologies N9040B UXA Signal Analyzer
Service Guide
13
1
Instrument Messages
Condition Messages
329
14
unused W
Err#
Status
Regis
ter
Bit
Message
Err
or or
War
ni
n
g
V
erbose/Correction Information
130
132
Table of Contents
Default Chapter
5
Table of Contents
5
1 Overview
13
What You will Find in this Chapter
13
Keysight UXA Signal Analyzer Overview
14
Virus Information
14
Instrument Option Descriptions
15
Signal Analyzer Accessories
17
Manual Set on CD-ROM
17
50 Ohm Load
18
50 Ohm/75 Ohm Minimum Loss Pad
18
AC Probe
18
AC Probe (Low Frequency)
18
Broadband Preamplifiers and Power Amplifiers
18
RF Limiters
19
Power Splitters
19
Static Safe Accessories
20
Before You Start Troubleshooting
21
ESD Information
23
Protection from Electrostatic Discharge
23
Handling of Electronic Components and ESD
24
Test Equipment Usage and ESD
24
For Additional Information about ESD
24
Instrument Maintenance
25
Cleaning the Instrument
25
Cleaning Connectors
25
Battery Information
26
Service Equipment You will Need
27
Tools You will Need
27
Calibration Application Software
27
Front End Controller Troubleshooting Kit
28
USB Keyboard and Mouse
29
USB Storage Device
29
Required Test Equipment List
30
After an Instrument Repair
37
Contacting Keysight Technologies
38
Instrument Serial Numbers
41
How to Return Your Instrument for Service
42
Service Order Number
42
Original Packaging
42
Other Packaging
43
2 Boot up and Initialization Troubleshooting
45
What You will Find in this Chapter
45
Check the Basics
46
UXA Instrument Boot up Process
47
Typical Instrument Boot-Up Process Flow
48
Potential Problems During Boot Process
51
Yellow Standby LED Does Not Illuminate
51
Green Power on LED Does Not Illuminate
54
Fan(S) Are Not Operating
58
No Keysight Splash Screen Displayed
60
Instrument Hangs at the Keysight Splash Screen
62
Instrument Cannot Completely Load or Run the Operating System
63
Troubleshooting a Blank Display
63
Verify Video Signal Path Integrity
64
Video Controller / Touch Screen Display Troubleshooting
64
Initializations DID Not Complete
64
Fails an Initial Alignment
65
Signal Level Verification
71
Signal Level Problem with Input Frequencies < 3.6 Ghz
71
Signal Level Problem with
72
Input Frequencies > 3.6 Ghz
72
Signal Level Problem with Input Frequencies > 3.6 Ghz
72
3 Instrument Messages
73
Introduction
73
Event and Condition Categories
74
Event Message Format
75
Event Queues
76
Advisory Messages
78
Event Messages
84
800, Operation Complete Event
85
700, Request Control Event
85
600, User Request Event
85
500, Power on Event
85
-400 to -499, Query Errors
85
-300 to -399, Device-Specific Errors
86
-221 Settings Conflict Errors
89
-200 to -299, Execution Errors
100
-100 to -199, Command Errors
110
Error
112
Condition Messages
113
Condition Errors 1 to 99, Calibration
113
Condition Errors 101 to 199, Measurement Integrity
118
Condition Errors 201 to 299, Signal Integrity
122
Condition Errors 301 to 399, Uncalibrated Integrity
128
Condition Errors 401 to 499, Power
132
Condition Errors 501 to 599, Frequency
133
Condition Errors 601 to 699, Error Summaries
134
Condition Errors 701 to 799, Operation
136
Condition Errors 801 to 899, Temperature
137
4 RF Section Troubleshooting (Rf/Microwave Analyzers)
139
What You will Find in this Chapter
139
RF Section Description
140
A9 Input Attenuator a
142
A10 Input Attenuator B
142
A11 Low Band Switch
143
A12 YTF Preselector
143
A20 YTO Assembly
143
A13 RF Front End Assembly
144
Troubleshooting
146
Quick Check to Verify the Low Band Signal Path
146
Troubleshooting a Low Band Problem
150
Quick Check to Verify High Band RF Path
157
Troubleshooting a High Band Problem
161
5 Front End Control Troubleshooting
167
What You will Find in this Chapter
167
A15 Front End Control Description
168
Purpose
168
A15 Front End Control Assembly Troubleshooting
171
Verifying Input Attenuator A, Input Attenuator B, Low Band Switch Logic and Power Supplies
172
Preselector Tune Output
178
Verifying SW3 (Option LNP Only)
179
Verifying SW1 and SW2 (Option MPB)
179
RF Signal Tracing
180
Verifying Narrowband if out (A15J900)
180
Verifying Aux if Out, Rear Panel (Option CR3, CRP, ALV Only)
180
Standard UXA
180
Verifying Option CR3
181
Verifying Option CRP
182
Verifying Option ALV
183
6 Analog/Digital if Troubleshooting
185
What You will Find in this Chapter
185
A2 Analog if Assembly Description
186
A2 Analog if Assembly Theory of Operation
187
A2 Analog if Troubleshooting
190
Verifying the 322.5 Mhz Input Power
190
Verifying the 22.5 Mhz Output Power
193
Verifying the 300 Mhz lo Input Power from the A16 Reference Assembly
195
A3 Digital if Assembly Description
197
A3 Digital if Assembly Theory of Operation
198
A3 Digital if Troubleshooting
200
Verifying the 22.5 Mhz Input Power
200
Verifying the 250 Mhz if Input Power (Option B40 Only)
203
Verifying the 100 Mhz Reference Input
206
7 LO Synthesizer/Reference Troubleshooting
209
What You will Find in this Chapter
209
8 Cpu/Disk Drive Troubleshooting
211
What You will Find in this Chapter
211
A4 Processor Description
212
Disk Drive
212
A4A1 Disk Drive Interface Board
212
Front Panel Interface
212
Graphics Controller
212
Power Supply Control
212
Rear Panel Connectivity
213
System Memory
214
System Processor
214
Processor Battery
214
SD Memory Card Slot
214
A4 Processor Assembly Troubleshooting
215
Boot-Up or Initialization Problems
215
BIOS Settings
215
A5 Disk Drive Description
216
Drive Partitioning
217
Instrument Image Recovery System
218
A5 Disk Drive Troubleshooting
219
Troubleshooting Software Related Issues
219
Reloading the Instrument Application Software
219
Disk Drive Recovery Process
220
Replacing the Instrument Disk Drive
221
9 Power Supply/Midplane Troubleshooting
223
What You will Find in this Chapter
223
A6 Power Supply Description
224
Purpose
224
Power Supply Theory of Operation
225
A6 Power Supply Assembly Troubleshooting
228
Supply Voltages
228
Control Inputs
228
Status Outputs
229
A7 Midplane Board Assembly Description
230
Midplane Board Connections
230
A7 Midplane Board Assembly Troubleshooting
233
Instrument Power Supply Leds and Test Points
233
Instrument Secure Storage
233
Power Supply Dithering
233
10 Front Panel/Motherboard Troubleshooting
235
What You will Find in this Chapter
235
11 Hardware Options
237
What You will Find in this Chapter
237
A21 Wideband Analog if Troubleshooting
239
A21 Wideband Analog if Assembly Description
239
A21 Wideband Analog if Assembly Theory of Operation
241
A21 Wideband Troubleshooting
242
A22 Wideband Digital if Troubleshooting
245
Option RTS, Real-Time I/Q Data Streaming
246
Description
246
Signal Analyzer Hardware Requirements
246
Software Requirements
246
Functionality Check
247
Option H1G, 1 Ghz Analysis Bandwidth Assembly
248
Description
248
Signal Analyzer Hardware Requirements
248
Ghz Analysis Bandwidth Assembly Theory of Operation
248
Operation and Verification
250
Advanced Troubleshooting
252
12 Block Diagrams
252
What You will Find in this Chapter
255
Block Diagrams
256
Analog if Block Diagram
263
Digital if Block Diagram
264
13 Service and Diagnostics Menus
265
Overview
265
Controlling Access
266
Secure Service Access
266
Service Key Descriptions
269
Timebase
269
Alignments
270
Corrections
274
Band Lock
277
LO Band Lock
278
Low Noise Path
279
LO Control
279
Front Panel Key Test
280
Front Panel Display Test
280
Multitouch Test
280
14 Replaceable Parts
281
What You will Find in this Chapter
281
How to Order Parts
283
Replaceable Parts
284
Hardware
304
15 Assembly Replacement Procedures
347
What You will Find in this Chapter
347
Before Starting
349
Safety
349
Tools You will Need
350
Adjustments Tests after an Instrument Repair
350
Major Assembly Locations
351
Instrument Outer Case
352
Removal
352
Replacement
353
Top Brace and Card Cage Brace
354
Serial Number Prefix < 5605 Options 508, 513, 526
354
Serial Number Prefix ≥ 5605 and All Options 544 and 550
356
RF Area - Options 508, 513, 526
358
To Gain Access to any of the RF Section Parts for Removal, Follow These Steps
358
RF Area - Options
358
After the Part Has Been Replaced, Follow These Steps
360
A9 & A10 RF Attenuators
361
A11 Low Band Switch
365
A12 YTF Preselector
367
A20 Yto
370
Low Noise Path and Microwave Preselector Bypass Switches
371
A13 RF Front End Assembly
381
RF Area - Options 544, 550
388
To Gain Access to any of the RF Section Parts for Removal, Follow These Steps
388
RF Area - Options
388
After the Part Has Been Replaced, Follow These Steps
389
A9 & A10 RF Attenuators
390
A11 Low Band Switch
393
A12 YTF Preselector
395
A20 Yto
398
Transfer Switches
399
A13 RF Front End Assembly
406
Card Cage Boards
413
To Gain Access to any of the Card Cage Boards for Removal, Follow These Steps
413
After the Part Has Been Replaced, Follow These Steps
413
A15 Front End Control
414
A16 Reference Assembly
415
A21 Wideband Analog I.F. Assembly (Option B2X and B5X Only)
417
A14 L.O. Synthesizer
419
Rear Panel
420
Removal
420
Replacement
422
A22 & A23 Wideband Digital I.F. Boards
423
Removal
423
Replacement
426
A27 H1G Assembly (Option H1G)
427
Replacement Process When the H1G Assembly Is the Early Version
427
Replacement Process When the H1G Assembly Is the Later Version
431
A28 Wideband Extension Board (Option RTS)
433
Removal
433
Replacement
437
A6 Power Supply
439
Removal
439
Replacement
442
A4 CPU/A5 Solid State Drive
443
Removal
443
Replacement
443
Replacement of A5 SSD or A4A1CPU Memory Card
444
A2 Aif/A3 Dif
447
Removal
447
Separate AIF/DIF Assembly
448
Replacement
449
Fan Assembly
450
Removal
450
Fan Replacement
453
Replacement
454
Motherboards
455
Front Motherboard (A8 Front Motherboard)
455
Rear Motherboard (A7 Rear Motherboard)
462
Bottom Motherboard (A24 Motherboard Interconnect)
465
Input Connector
467
Removal
467
Replacement
468
Front Frame Assembly
469
Removal
469
Replacement
472
Front Frame Assembly Components
473
16 Post-Repair Procedures
485
What You will Find in this Chapter
485
Before Starting
485
Post-Repair Procedures
486
Additional Tasks
491
17 Functional Tests
503
Functional Test Versus
503
Performance Verification
503
Before Performing a Functional Test
504
Test Equipment
505
Displayed Average Noise Level (DANL)
508
Procedure
508
Frequency Readout Accuracy
511
Procedure
512
Second Harmonic Distortion (SHD)
513
Procedure
514
Amplitude Accuracy at 50 Mhz
516
Procedure
517
Testing Preamp Option (P08, P13, P26)
519
Frequency Response (Flatness)
520
Procedure
521
Frequency Response (Flatness), Preamp on
524
Procedure
526
Scale Fidelity
528
Procedure
529
18 Instrument Software
533
What You will Find in this Chapter
533
Instrument Software Overview
534
Software Licensing
534
Software Updates
535
Instrument Measurement Application Software
535
89601 VSA Software
535
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Keysight N9040B Option 508 Specifications
General
Brand
Keysight
Model
N9040B Option 508
Category
Measuring Instruments
Language
English
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