Keysight N8975B Manuals

Manuals and User Guides for Keysight N8975B. We have 2 Keysight N8975B manuals available for free PDF download: Service Manual, Security Features And Document Of Volatility

Keysight N8975B Service Manual (524 pages)

NFA Series

Brand: Keysight | Category: Measuring Instruments | Size: 15.26 MB

Noise Figure Analyzers
1
Safety Notices
2
Table of Contents
5
1 Overview

13
- What You will Find in this Chapter
  13
- Keysight NFA Series Noise Figure Analyzer Overview
  14
- Analyzer Accessories
  15
  - Manual Set on CD/DVD
    15
  - 50 Ohm Load
    16
  - 50 Ohm/75 Ohm Minimum Loss Pad
    16
  - AC Probe
    16
  - AC Probe (Low Frequency)
    16
  - Broadband Preamplifiers and Power Amplifiers
    16
  - RF and Transient Limiters
    16
  - Power Splitters
    17
  - Static Safe Accessories
    17
- Before You Start Troubleshooting
  18
- Lithium Battery Disposal
  19
- ESD Information
  20
- Service Equipment You will Need
  22
- 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
3 Instrument Messages

69
- Introduction
  69
  - Event Vs. Condition Messages
    69
  - Event and Condition Categories
    70
  - Event Message Format
    71
  - Event Queues
    72
- Advisory Messages
  74
- Event Messages
  80
  - 800, Operation Complete Event
    81
  - 700, Request Control Event
    81
  - 600, User Request Event
    81
  - 500, Power on Event
    81
  - -400 to -499, Query Errors
    81
  - -300 to -399, Device-Specific Errors
    82
  - -221 Settings Conflict Errors
    85
  - -200 to -299, Execution Errors
    96
  - -100 to -199, Command Errors
    107
  - Error
    109
- Condition Messages
  110
4 RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)

133
- What You will Find in this Chapter
  133
- RF Section Description
  134
  - Purpose
    134
  - RF Section Theory of Operation
    138
- Troubleshooting
  142
5 RF Section Troubleshooting (N8976B)

199
- What You will Find in this Chapter
  199
- RF Section Description
  200
  - A9 Input Attenuator a
    203
  - A10 Input Attenuator B
    203
  - A11 Low Band Switch
    203
  - A12 YTF Preselector
    203
  - A13 RF Front End Assembly (N8976B)
    204
- Troubleshooting
  206
6 Front End Control Troubleshooting

229
7 Analog/Digital if Troubleshooting

247
- What You will Find in this Chapter
  247
- 25 Mhz BW if Section
  249
8 L.O. Synthesizer/Reference Troubleshooting

269
- What You will Find in this Chapter
  269
- A14 L.O. Synthesizer Assembly Description
  270
  - Purpose
    270
- A14 L.O. Synthesizer Theory of Operation
  271
  - Brief Description of the Major Blocks
    271
- A14 L.O. Synthesizer Troubleshooting
  272
  - Verifying the 4800 Mhz Input Power & Frequency Stability
    273
  - Verifying the 1St L.O. Output Power
    276
- A16 Reference Assembly Description
  280
  - Purpose
    280
- A16 Reference Assembly Troubleshooting
  282
  - Diagnostic Leds
    289
9 Cpu/Disk Drive Troubleshooting

291
- What You will Find in this Chapter
  291
- A4 Processor Description
  292
  - Disk Drive
    292
  - A4A1 Disk Drive Interface Board
    292
  - Front Panel Interface
    292
  - Graphics Controller
    292
  - Power Supply Control
    292
  - Rear Panel Connectivity
    293
  - System Memory
    294
  - System Processor
    294
  - Processor Battery
    294
  - SD Memory Card Slot
    294
- A4 Processor Assembly Troubleshooting
  295
  - Boot-Up or Initialization Problems
    295
  - BIOS Settings
    295
- A5 Disk Drive Description
  296
  - Drive Partitioning
    297
  - Instrument Image Recovery System
    298
- A5 Disk Drive Troubleshooting
  299
10 Power Supply/Midplane Troubleshooting

303
- What You will Find in this Chapter
  303
- A6 Power Supply Description
  304
  - Purpose
    304
  - Power Supply Theory of Operation
    305
- A6 Power Supply Basic Troubleshooting
  310
- (Cover On)
  310
- A7 Midplane Description
  312
  - Purpose
    312
- A7 Midplane Assembly Troubleshooting
  315
11 Front Panel/Motherboard Troubleshooting

317
- What You will Find in this Chapter
  317
- A8 Motherboard Description
  318
  - Purpose
    318
  - A8 Motherboard Troubleshooting
    319
- A1 Front Panel Assembly
  320
  - A1A2 Front Panel Interface Board
    320
  - A1A3 Lcd
    320
12 Block Diagrams

321
- What You will Find in this Chapter
  321
- Block Diagrams
  322
13 Service and Diagnostics Menus

333
- Overview
  333
  - Controlling Access
    334
  - Secure Service Access
    335
- Service Key Descriptions
  339
  - Timebase
    339
  - Alignments
    340
  - Corrections
    344
  - Band Lock
    346
  - LO Band Lock
    347
  - LO Control
    348
- Front Panel Key Test
  349
  - Front Panel Display Test
    349
  - Multitouch Test
    349
14 Replaceable Parts

351
- What You will Find in this Chapter
  351
  - How to Order Parts
    352
- Replaceable Parts
  353
- Hardware
  364
15 Assembly Replacement Procedures

389
- What You will Find in this Chapter
  389
- Before Starting
  390
- Safety
  390
- Tools You will Need
  391
  - Adjustments Tests after an Instrument Repair
    391
- Major Assembly Locations
  392
- Instrument Outer Case
  393
  - Standard Instrument
    393
  - Option PRC
    395
- Top Brace
  398
  - Removal
    398
  - Replacement
    398
- RF Area (N8973B, 74B, 75B)
  399
- RF Area (N8976B)
  409
  - Low Band Switch
    411
  - Attenuators
    415
  - YTF Preselector
    417
- RF Front End Assembly (N8973B, 74B, 75B)
  420
  - Removal
    420
  - Replacement
    421
- RF Front End Assembly (N8976B)
  422
  - Removal
    422
  - Replacement
    423
- Front End Control Assembly
  424
  - Removal
    424
  - Replacement
    426
- L.O. Synthesizer Assembly
  427
  - Removal
    427
  - Replacement
    427
- Rear Panel
  428
  - Removal
    428
  - Replacement
    428
- Reference Assembly
  429
  - Removal
    429
  - Replacement
    430
- Power Supply Assembly
  431
  - Removal
    431
  - Replacement
    432
- CPU Assembly
  433
  - Removal
    433
  - Replacement
    434
- A5 Solid State Drive
  435
  - Disk Drive
    435
  - A4A1 CPU Memory Card
    437
    
    Disk Drive Interconnect
    437
  - Analog I.F. (Aif)/Digital I.F. (DIF) Assembly
    440
    
    Removal
    440
    
    Separate AIF/DIF Assembly
    442
    
    Replacement
    443
  - Midplane Assembly
    444
    
    Removal
    444
    
    Replacement
    446
  - Motherboard Assembly
    447
    
    Removal
    447
    
    Replacement
    450
  - Fan Assembly
    452
    
    Removal
    452
    
    Replacement
    454
  - Input Connector Assembly
    455
    
    Removal
    455
    
    Replacement
    456
  - Front Frame Assembly
    457
    
    Removal
    457
    
    Replacement
    458
    
    Bail Handle Removal (Option PRC)
    459
    
    Front Frame Assembly Components
    460
    
    Display Assembly
    466
16 Post-Repair Procedures

471
- What You will Find in this Chapter
  471
  - Before Starting
    471
- Post-Repair Procedures
  472
  - Additional Tasks
    476
17 Functional Tests

487
- Functional Test
  487
- Performance Verification
  487
- Before Performing a Functional Test
  488
- Test Equipment
  489
- Displayed Average Noise Level (DANL)
  492
  - Procedure
    492
- Frequency Readout Accuracy
  495
  - Procedure
    496
- Second Harmonic Distortion (SHD)
  498
  - Procedure
    499
- Amplitude Accuracy at 50 Mhz
  501
  - Procedure
    502
  - Testing Preamp Option (P03, P07, P26, P44)
    504
- Frequency Response (Flatness)
  505
  - Procedure
    506
- Frequency Response (Flatness), Preamp on
  509
- Procedure
  510
- Scale Fidelity
  514
  - Procedure
    515
18 Instrument Software

517
- What You will Find in this Chapter
  517
- Instrument Software Overview
  518
- Software Licensing
  519
- Software Updates
  520
  - Instrument Measurement Application Software
    520

Keysight N8975B Security Features And Document Of Volatility (46 pages)

PXE EMI Receiver UXA Signal Analyzer PXA Signal Analyzer MXA Signal Analyzer EXA Signal Analyzer CXA Signal Analyzer NFA Noise Figure Analyzer

Brand: Keysight | Category: Measuring Instruments | Size: 1.67 MB

Signal Analyzers
1
Safety Information
2
Table of Contents
4
1 Contacting Keysight Sales and Service Offices

6
2 Products Covered by this Document

7
- Determining Installed Options & Processor Assembly Type
  8
3 Security Terms and Definitions

9
4 Instrument Memory & Volatility

10
- Non-Volatile Memory
  11
  - Disk Drive Partitioning
    18
- Volatile Memory
  19
5 Memory Clearing, Sanitization and Removal Procedures

21
- Instrument Sanitization Procedures
  23
- Archiving and Restoring Factory Calibration Data Files
  25
6 Disk Drive Removal Procedure

27
7 SD Memory Card Removal Procedure

30
8 User and Remote Interface Security Measures

32
- USB Interfaces
  33
- SD Memory Card
  34
9 Procedure for Declassifying a Faulty Instrument

35
10 Special Options

36
- SCPI Commands
  37
- Option SF1
  37
- Option SF2
  38
  - Operating System Changes
    38
  - Menu & Command Changes
    38
    
    Front-Panel Keys
    38
    
    File Menu
    39
    
    Preset Menu
    39
    
    System Menu
    39
    
    Disabled SCPI Commands
    39
Appendix A References

45

Keysight Categories

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More Keysight Manuals

Keysight N8975B Manuals

Keysight N8975B Service Manual (524 pages)

Table of Contents

1 Overview

2 Boot up and Initialization Troubleshooting

3 Instrument Messages

4 RF Section Troubleshooting (N8973B, 74B, 75B Analyzers)

5 RF Section Troubleshooting (N8976B)

6 Front End Control Troubleshooting

7 Analog/Digital if Troubleshooting

8 L.O. Synthesizer/Reference Troubleshooting

9 Cpu/Disk Drive Troubleshooting

10 Power Supply/Midplane Troubleshooting

11 Front Panel/Motherboard Troubleshooting

12 Block Diagrams

13 Service and Diagnostics Menus

14 Replaceable Parts

15 Assembly Replacement Procedures

16 Post-Repair Procedures

17 Functional Tests

18 Instrument Software

Keysight N8975B Security Features And Document Of Volatility (46 pages)

Table of Contents

1 Contacting Keysight Sales and Service Offices

2 Products Covered by this Document

3 Security Terms and Definitions

4 Instrument Memory & Volatility

5 Memory Clearing, Sanitization and Removal Procedures

6 Disk Drive Removal Procedure

7 SD Memory Card Removal Procedure

8 User and Remote Interface Security Measures

9 Procedure for Declassifying a Faulty Instrument

10 Special Options

Appendix A References

Related Products

Keysight Categories