Keysight N9010B Service Manual

Keysight N9010B Service Manual

Exa signal analyzer
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Keysight N9010B EXA
Signal Analyzer
This manual provides documentation for the following analyzers:
N9010B Option 503 (9 kHz – 3.6 GHz)
N9010B Option 507 (9 kHz – 7 GHz)
N9010B Option 513 (9 kHz – 13.6 GHz)
N9010B Option 526 (9 kHz – 26.5 GHz)
N9010B Option 532 (9 kHz - 32 GHz)
N9010B Option 544 (9 kHz - 44 GHz)
SERVICE GUIDE

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Summary of Contents for Keysight N9010B

  • Page 1 Keysight N9010B EXA Signal Analyzer This manual provides documentation for the following analyzers: N9010B Option 503 (9 kHz – 3.6 GHz) N9010B Option 507 (9 kHz – 7 GHz) N9010B Option 513 (9 kHz – 13.6 GHz) N9010B Option 526 (9 kHz – 26.5 GHz)
  • Page 2 FURNISHING, USE, OR these rights customarily provided PERFORMANCE OF THIS to the public to use, modify, DOCUMENT OR ANY INFORMATION reproduce, release, perform, CONTAINED HEREIN. SHOULD display, or disclose commercial KEYSIGHT AND THE USER HAVE A computer software or SEPARATE WRITTEN AGREEMENT...
  • Page 3 Documentation is updated periodically. For the latest information about this instrument, including firmware upgrades, application information, and product information, click the website link below. http://www.keysight.com/find/exa To receive the latest updates by email, subscribe to Keysight Email Updates at the following URL: http://www.keysight.com/find/MyKeysight Information on preventing instrument damage can be found at: www.keysight.com/find/PreventingInstrumentRepair...
  • Page 5: Table Of Contents

    Keysight EXA Signal Analyzer Overview ........
  • Page 6 Instrument Hangs at the Keysight Splash Screen ........
  • Page 7 Contents 4. RF Section Troubleshooting (RF/Microwave Analyzers) What You Will Find in This Chapter ............. 133 RF Section Description .
  • Page 8 Contents A2 Analog I.F. Assembly Theory of Operation ..........262 A2 Analog I.F.
  • Page 9 Contents A5 Disk Drive Troubleshooting ..............333 Troubleshooting Software Related Issues.
  • Page 10 Contents Alignments ................376 Corrections .
  • Page 11 Contents Removal ................497 Replacement .
  • Page 12 Contents Post-Repair Procedures ..............546 Additional Tasks .
  • Page 13: Overview

    What You Will Find in This Chapter This chapter provides overview information on your spectrum analyzer. The following sections are found in this chapter: Keysight EXA Signal Analyzer Overview on page 14 Instrument Option Descriptions on page 15 Signal Analyzer Accessories on page 16...
  • Page 14: Keysight Exa Signal Analyzer Overview

    If customer requirements should change or expand, post sale upgrades can be purchased at any time. Many upgrades require a license key, which is obtained using the Keysight licensing process. If the Keysight Delivery Option is ordered, the entitlement certificate will be emailed to the customer the same day and the license key can be generated and installed in the EXA Signal Analyzer within minutes.
  • Page 15: Instrument Option Descriptions

    In order to find out all the requirements about installing an upgrade into the analyzer, refer to http://www.keysight.com/find/exa_upgrades Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 16: Signal Analyzer Accessories

    Signal Analyzer Accessories Signal Analyzer Accessories A number of accessories are available from Keysight Technologies to help you configure your analyzer for your specific applications. They can be ordered through your local Keysight Sales and Service Office and are listed below.
  • Page 17: 50 Ohm Load

    909D: DC to 26.5 GHz 50 Ohm/75 Ohm Minimum Loss Pad The Keysight 11852B is a low VSWR minimum loss pad that allows you to make measurements on 75 Ohm devices using an analyzer with a 50 Ohm input. It is effective over a frequency range of DC to 2 GHz.
  • Page 18: Power Splitters

    Overview Signal Analyzer Accessories The Keysight 11947A Transient Limiter protects the analyzer input circuits from damage due to signal transients. It specifically is needed for use with a line impedance stabilization network (LISN). It operates over a frequency range of 9 kHz to 200 MHz, with 10 dB of insertion loss.
  • Page 19: Before You Start Troubleshooting

    Any interruption of the protective conductor inside or outside of the product is likely to make the product dangerous. Intentional interruption is prohibited. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 20: Lithium Battery Disposal

    The Keysight part number is 1420-0356. The manufacturer’s part number is CR2032. You can return the battery to your nearest Keysight Technologies Sales and Service office for disposal, if required. Refer to “Contacting Keysight Technologies”...
  • Page 21: Esd Information

    1 megohm of isolation from ground. These techniques for a static-safe workstation should not be used when working on circuitry with a voltage potential greater than 500 volts. Figure 1-1 Example of a Static-Safe Workstation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 22: Handling Of Electronic Components And Esd

    For Additional Information about ESD For more information about preventing ESD damage, contact the Electrical Over Stress/Electrostatic Discharge (EOS/ESD) Association, Inc. The ESD standards developed by this agency are sanctioned by the American National Standards Institute (ANSI). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 23: Service Equipment You Will Need

    — USB Keyboard and Mouse — USB Storage Device — Test Equipment Calibration Application Software Information regarding the Keysight X-Series Signal Analyzer Calibration Application Software can be found at the following web site: http://www.keysight.com/find/calibrationsoftware Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 24: Front End Controller Troubleshooting Kit

    Part of N9020-60005 Troubleshooting kit Cable, YTF Preselector E4410-60158 Part of N9020-60005 Troubleshooting kit Cable, Input Attenuators E4410-60157 Part of N9020-60005 Troubleshooting kit Cable, Troubleshooting 8121-1400 Connector, MMCX (f) to SMA (f) www.hubersuhner.com item number: 31_MMCX-SMZ-50-1/111_OE Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 25: Usb Keyboard And Mouse

    Recommended size is 2 gigabytes minimum, to allow storing at least one instrument software installer file. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 26: Required Test Equipment List

    Only the recommended and alternate equipment is compatible with the performance verification testing. Some tests can use various models of a particular equipment type. The “Recommended Keysight Model” is the preferred equipment. However, the “Alternative Keysight Model” is an acceptable substitute.
  • Page 27 AC Accuracy: ± 0.31% of reading Power Meter Dual Channel N1914A E4419A/B A, P Instrumentation Accuracy: ± 0.5% N1912A Power Reference Accuracy: ± 0.6% Compatible with 8480 series power sensors dB relative mode Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 28 2 GHz to 12.4 GHz: 1.15:1 12.4 GHz to 18 GHz: 1.20:1 18 GHz to 26.5 GHz: 1.25:1 26.5 GHz to 40 GHz: 1.30:1 40 GHz to 50 GHz: 1.50:1 Input Connector: 2.4 mm (m) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 29 Accuracy: < ±1 e10 Symmetricom 5071A-C001 50 MHz, Frequency Drift: < 2.5 kHz Z5602B Z5602A −25 dBm Calibrator Typical VSWR: 1.06:1 (Option H51) (Option H51) Output Power Variation: ±.004 dB Total Harmonic Content: −45 dBc Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 30 Connector: 3.5 mm (m, f) 20 dB Frequency: 10 MHz 8491A 8491B A, P Fixed Attenuator Loss: 20 dB (nominal) (Option 020) (Option 020) VSWR: 10 MHz: ≤ 1.20:1 Connector: Type-N (m, f) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 31 2 GHz to 3 GHz: 30 dB VSWR: ≤ 2 GHz: ≤ 1.15:1 ≤ 3 GHz: ≤ 1.22:1 Insertion Loss: ≤ 1.5, +0.1 dB/GHz (nominal) Coupling (nominal): 16 dB Connector: Type N (f) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 32 62 cm (24 in.) VSWR: ≤ 18 GHz: 1.4:1 Insertion Loss: 1.5 dB Frequency: DC to 10 MHz 8120-2582 10503A A, P, T (3 required) 50 Ω Coax BNC (m), both ends 120 cm (48 in.) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 33 3.5 mm (f) to Type-N (f) Frequency: DC to 18 GHz 1250-1745 A, P (for 3.5 mm source) VSWR: ≤ 1.08:1 Type-N (f) to 3.5 mm (m) Frequency: DC to 18 GHz 1250-1750 A, P VSWR: ≤ 1.14:1 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 34 1 GHz Notch Filter Center Frequency: 1.0001 GHz Trilithic (for alternate Phase Noise CFN-2-1000.1 setup) a. Keysight model numbers unless otherwise noted. b. A = Adjustments, P = Performance Testing, T = Troubleshooting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 35 Test uncertainty analysis. Lower cal factor uncertainties will translate to wider test margins. e. When ordering a new STD or CFT Power Sensor from Keysight to be used with the N7800A series applications, order with Option 1A7. The 1A7 option provides an ISO17025 calibration and includes calibration data.
  • Page 36 Table 1-3 10 dB Step Attenuator Nominal Attenuation Attenuator Section Allowable Uncertainty (dB) (dB) (10 dB) (20 dB) (40 dB) (40 dB) 0 (Reference) < 0.010 < 0.015 < 0.020 < 0.025 < 0.030 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 37 Table 1-3 10 dB Step Attenuator Nominal Attenuation Attenuator Section Allowable Uncertainty (dB) (dB) (10 dB) (20 dB) (40 dB) (40 dB) < 0.035 < 0.040 a. TME requires that Section 3 be characterized. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 38: After An Instrument Repair

    After an Instrument Repair If any instrument assemblies have been repaired or replaced, perform the related adjustments and performance verification tests. These tests are done using the N7814A Keysight X-Series Signal Analyzer Calibration Application Software. Refer to Chapter 16, “Post-Repair Procedures,”...
  • Page 39: Contacting Keysight Technologies

    Keysight office listed in Table 1-4. In any correspondence or telephone conversations, refer to the instrument by its model number (N9010B) and full serial number (ex. MY56080147). With this information, the Keysight representative can quickly determine whether your unit is still within its warranty period.
  • Page 40 (65) 6375 8100 Europe and Middle Country Phone Number Austria 0800 001122 Belgium 0800 58580 Finland 0800 523252 France 0805 980333 Germany 0800 6270999 Ireland 1800 832700 Israel 1 809 343051 Italy 800 599100 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 41 Netherlands 0800 0233200 Russia 8800 5009286 Spain 0800 000154 Sweden 0200 882255 Switzerland 0800 805353 Opt. 1 (DE) Opt. 2 (FR) Opt. 3 (IT) United Kingdom 0800 0260637 For other unlisted countries: http://www.keysight.com/find/contactus Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 42: Instrument Serial Numbers

    Instrument Serial Numbers Keysight makes frequent improvements to its products enhancing performance, usability, or reliability. Keysight service personnel have access to complete records of design changes to each type of instrument, based on the instrument’s serial number and option designation.
  • Page 43: How To Return Your Instrument For Service

    How to Return Your Instrument for Service How to Return Your Instrument for Service Service Order Number If an instrument is being returned to Keysight for servicing, the phone numbers are mentioned in Table 1-4, “Contacting Keysight,” on page 40. In order for Keysight to expedite the repair please be as specific as possible about the nature of the failure.
  • Page 44: Other Packaging

    5. Seal the shipping container securely with strong nylon adhesive tape. 6. Mark the shipping container “FRAGILE, HANDLE WITH CARE” to assure careful handling. 7. Retain copies of all shipping papers. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 45: Boot Up And Initialization Troubleshooting

    Fan(s) Are Not Operating on page 55 No Keysight Splash Screen Displayed on page 57 Instrument Hangs at the Keysight Splash Screen on page 58 PCI Enumeration Error on page 58 Instrument Cannot Completely Load or Run the Operating System...
  • Page 46: Check The Basics

    Boot Up and Initialization Troubleshooting Check the Basics Check the Basics Before calling Keysight Technologies or returning the instrument for service, please make the following checks: 1. Is there power at the power outlet? At the power receptacle on the instrument? 2.
  • Page 47: Instrument Boot Up Process

    XSA application is launched. Uncheck any applications to bypass the preloading process, select Apply, and then OK to close the Configure Applications window when finished. Figure 2-1 Configure Application Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 48: Typical Instrument Boot-Up Process Flow

    On/Off button on the front panel when power is restored. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 49 Operating” section in this chapter. 5. The Keysight Technologies splash screen is displayed in white font on a dark background for ~5-10 seconds after the analyzer is turned on. If the Keysight Technologies logo is not displayed refer to the “No Keysight...
  • Page 50 If the power up state has been changed from the factory power on state by IMPORTANT the user, the analyzer will boot to that state. Figure 2-2 Typical Instrument Sweep at Power-up (Display theme changed for printing clarity) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 51: Potential Problems During Boot Process

    2. Remove the AC power cord and then remove the instrument cover. Refer to the Chapter 15, “Assembly Replacement Procedures”, on page 441 this manual. 3. Refer to Figure 2-3, verify the +5.1V standby LED on the A7 Midplane board is on. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 52 A4 CPU board are not at fault, replace the A4 CPU board. If no: Replace the A6 Power Supply assembly. Before replacing the power supply, verify the midplane and motherboard interconnects are mechanically secure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 53: Green Power On Led Does Not Illuminate

    Does the voltage at R867 measure 5 VDC? If yes: Proceed to step If no: Replace the A6 Power Supply assembly. Before replacing the power supply, verify the midplane and motherboard interconnects are mechanically secure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 54 A4 CPU board are not at fault, replace the A4 CPU board. If no: Replace the A6 Power Supply assembly. Before replacing the power supply, verify the midplane and motherboard interconnects are mechanically secure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 55: Fan(S) Are Not Operating

    Measure the voltage level at TP1 on the A7 Midplane board. Is the TP1 voltage between +7 and +15 VDC If yes: Proceed to step If no: Replace the A6 Power Supply assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 56 If yes: Replace the fan(s) that is not working If no: After verifying that the connections between the A7 Midplane board and the A8 Motherboard are mechanically and electrically secure replace the A8 Motherboard. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 57: No Keysight Splash Screen Displayed

    No Keysight Splash Screen Displayed (Black background with white “Keysight Technologies” text) A problem of not displaying the Keysight splash screen could be caused by many different things. It could be due to a down power supply, a processor hardware problem, an instrument boot-up process error, a display section failure, etc.
  • Page 58: Instrument Hangs At The Keysight Splash Screen

    Potential Problems During Boot Process Instrument Hangs at the Keysight Splash Screen A problem of the instrument hanging at the Keysight splash screen could be caused by many different things. It could be due to a down power supply, a processor hardware problem, an instrument boot-up process error, etc.
  • Page 59: Instrument Cannot Completely Load Or Run The Operating System

    It could be due to a down power supply, a processor hardware problem, an instrument boot-up process error, corrupt hard drive, etc. This procedure assumes that the instrument can get past the Keysight splash screen at power on. If it doesn't, refer to the “Instrument Hangs at the Keysight Splash Screen”...
  • Page 60: Verify Video Signal Path Integrity

    — Initializing Message Services (3 of 7) — Initializing Hardware (4 of 7) — Initializing Data Services (5 of 7) — Initializing SCPI Services (6 of 7) — Initializing Front Panel EEPROM Services (7 of 7) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 61: Fails An Initial Alignment

    Assure there is no 50 MHz signal above 0 dBm applied to the signal analyzer input when the alignment routine is performed. This can cause errors. The description of the alignment and the alignment hardware dependencies are listed in Table 2-1, “Initial Alignments,”. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 62 A2 Analog IF A3 Digital IF or Algorithm A16 Reference Adjusts Centering, symmetry and dip of the crystal prefilter BW set to about 80 kHz Uses 322.5 MHz Comb Calibrator on the A-IF Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 63 Each setting from 0 to 24 dB in steps of 1 dB is measured. The reference condition is electrical attenuator set to 0 dB and RF input attenuators set to 10 dB. (Option EA3) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 64 A13 Front End 50 MHz calibrator on A16 Reference. Aligns low band (3 Hz to 3.6 GHz path) with preamp ON. A9 and A10 Input attenuators Input attenuator set to 20 dB. (Options Pxx) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 65 DC level. Trigger Interpolation A3 Digital IF DIF 25 Pulse Stretcher Alignment Algorithm A3 Digital IF DIF 40 Pulse Stretcher Alignment Algorithm A3 Digital IF Adjusts time between trigger and clock signal. (Option B40) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 66: Signal Level Verification

    It is possible that other input frequencies < 3.6 GHz could have an amplitude problem even though the 50 MHz calibrator is within tolerance. Using the internal RF calibrator provides a quick check of the low band path. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 67: Signal Level Problem With Input Frequencies > 3.6 Ghz

    It is possible that other input frequencies > 3.6 GHz could have an amplitude problem even though the 4.8 GHz calibrator is within tolerance. Using the internal RF calibrator provides a quick check of the high band path. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 68 Boot Up and Initialization Troubleshooting Signal Level Verification Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 69: Instrument Messages

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide Instrument Messages Introduction The Error and Status messaging system of the instrument reports events and conditions in a consistent fashion, as well as logging and reporting event history. Event vs. Condition Messages —...
  • Page 70: Event And Condition Categories

    Warnings are logged in the error queues. If the warning is a condition, both the Detected and Cleared event messages are logged. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 71: Event Message Format

    An explanation is included with each error to further clarify its meaning. Some errors are specified in industry standards, and may include references to Section 21.8 of the 1999 SCPI Syntax & Style Standard (http://www.ivifoundation.org/docs/scpi-99.pdf). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 72: Event Queues

    An error event that is caused by a front panel action is not reported to any remote interface queue. However, a status condition is usually caused by an internal event that is not related to a particular interface, so the Detected/Cleared Events for status conditions are reported to all the queues. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 73 Logged with the same severity (Error or Warning) as the Condition b. Logged with a “green” severity (Condition Resolved) c. Not logged, unless the cause of the Advisory was remotely generated, in which case a Warning mes- sage, type –221, is logged. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 74: Advisory Messages

    If Marker Function is off, changing the band has no effect Band Adjust has no effect with Mkr Function Off Turning on any high-pass or low-pass filter turns off band pass filters Band-pass filter set to Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 75 The LO fixed freq should be greater than the RF freq’s for an LSB or DSB (for DSB measurements the setup uses LSB values) downconverter setup. Use the graph icon on the DUT setup form to clarify the setup required Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 76 The LO fixed freq should be greater than the IF Stop freq for an LSB upconverter fixed LO setup. Use the graph icon on the DUT setup form to clarify the setup required Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 77 <port> The Keysight Smart Noise Source has been connected and the application is Reading SNS data… reading the device EEPROM data. Please wait until complete before continuing A file recall (open/load) was successfully completed Recalled File <filename>...
  • Page 78 DVB-T masks minimum. Results may be inaccurate. Zero span is a display at a single frequency, so there is no “sweeping” to set up Sweep Setup is not available in Zero Span Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 79 The measurement setup has changed such that the current cal data can be applied User Cal valid. Apply Cal to the results. To apply the cal, press Meas Setup/Cal Setup/Apply Calibration. A from Meas Setup menu new cal can be performed if required Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 80: Event Messages

    –221, such as Settings Conflict; Function not available in Zero Span. This helps you understand the exact cause of the Settings Conflict error. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 81: 800, Operation Complete Event

    The analyzer automatically discards output to correct the deadlock –440 A query was received in the same program message after a query requesting an Query UNTERMINATED indefinite response was executed after indefinite response Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 82: -300 To -399, Device-Specific Errors

    Verbose/Correction Information –300 An instrument error occurred and the exact problem cannot be specifically Device-specific error identified. Report this error to the nearest Keysight Technologies sales or service office –310 An internal system-type error has occurred. The exact problem cannot be System error;...
  • Page 83 Memory error –312 Protected user data saved by the *PUD command has been lost PUD memory lost –313 The nonvolatile calibration data used by the *CAL? command has been lost Calibration memory lost Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 84 There was a problem with instrument remote communications. The exact Communication error problem cannot be specifically identified –360 The Keysight Smart Noise Source connected to the instrument has failed to be Communication error; read by the application. Please disconnect and reconnect the SNS. If this SNS data read continues to fail, then the SNS may have had its EEPROM corrupted or another failure.
  • Page 85: -221 Settings Conflict Errors

    Source mode –221 Base Transceiver Station gain correction is not available in some Modes, or in Settings conflict; some measurements (for example, the SA measurement) BTS gain is not available in this Mode Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 86 Fixed marker –221 The continuous peak feature cannot be used while you are also using the Settings conflict; signal tracking function Continuous Peak is not available with Signal Track on Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 87 Mode/Measurement/View under the selection.) This error occurs if Feature not available you send a SCPI command or push a grayed-out key that is not available in in this View the current selected View Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 88 If Normalize is on the Amplitude scale is in dB units, so adjusting the Y value Settings conflict; of a Fixed marker is not possible Fixed Marker Y value is not adjustable with Normalize On Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 89 If the Gate is On and you have the FFT Sweep Type manually selected, then Settings conflict; the Gate Method cannot be selected Gate Method is not compatible with current Sweep Type setting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 90 Signal Track not available unless the trace containing Marker 1 is updating Settings conflict; Marker 1 Trace Update=off turns off Signal Track –221 A marker must be set relative to another marker, not to itself Settings conflict; Marker cannot be relative to itself Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 91 Burst Sync=RF Amptd –221 Mobile Station gain correction is not available in some Modes, or in some Settings conflict; MS measurements (for example, the SA measurement) gain is not available in this Mode Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 92 –221 SCPI only message. This parameter is only available when the Freq mode is Settings conflict; set to Fixed. Change the Freq Mode to Fixed Param only available when Frequency Mode is Fixed Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 93 The signal track functionality can be used when making a swept SA Settings conflict; measurement. It is not available in the SA measurement when you are using Signal Track is only FFT sweeps available in Swept SA measurement Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 94 If you have selected gated FFT then you are using the FFT sweep type and Settings conflict; you cannot select the swept type of sweeping Swept Type=Swept is not available while in Gated FFT Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 95 –221 You must be logged in with administrator privileges to do this. Log out and Settings log back in as the Administrator, then restart the SA application conflict;Administrat or privileges required Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 96 You cannot turn on all 3 EMI detectors together. You must turn off one of the Settings conflict;QPD EMI Detectors before you turn this on + EMI Average + RMS Average is not allowed Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 97: -200 To -299, Execution Errors

    There are no range turn on in scan table. You need to turn on at least a range to All ranges are off. initiate a scan Turn on at least a range –200 Marker Zoom is not available as it has reached full zoom At Full Zoom Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 98 Trace file contains version you are running. Please check that you are running the most no compatible traces. up-to-date version of the personality Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 99 –212 An arming signal was received, but it was ignored Arm ignored –213 An initiate trigger/sweep request was received and ignored, because another Init ignored measurement was already in progress Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 100 123456789.0 is valid, but 123456789.1 is not valid value; <Value> invalid. Fractional values are not allowed. –224 The value does not fall within the valid range Illegal parameter value; <value> out of range. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 101 All other printable ASCII characters are valid value; LXI Event <event> contains illegal characters. –224 The requested event has not been added yet Illegal parameter value; LXI Event <event> does not exist. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 102 A data element was found but it could not be used because the data format or Invalid format the data structure was not correct –232 Instrument failed to load the burst mapping information from the selected file Invalid format; Map information not loaded Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 103 The directory or file cannot be created Mass storage error; Cannot make –250 Attempt to import Corrections file with Antenna Unit that differs from an in-use Mass storage error; correction Different Antenna Unit already in use Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 104 Mass storage error; Peak Table and try again Pk Table must be on to save Pk Table as Meas Results –250 The system cannot read from the specified device Mass storage error; Read fault Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 105 Invalid file name –257 File name error; name too long –258 A legal command or query could not be executed because the media was Media protected protected. For example, the write-protect was set Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 106 Indicates that a syntax error appears in a downloaded program. The syntax Program syntax error used when parsing the downloaded program is device-specific –286   Program runtime error –290   Memory use errors –291   Out of memory Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 107 Event Messages Err# Message Verbose/Correction Information –292   Referenced name does not exist –293   Referenced name already exists –294 Indicates that the type or structure of a memory item is inadequate Incompatible type Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 108: -100 To -199, Command Errors

    The mantissa of a decimal-numeric contained more than 255 digits, excluding Too many digits leading zeros –128 A legal numeric data element was found, but that is not a valid element at this Numeric data not position in the command allowed Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 109 A problem was found with a macro element. The exact problem cannot be Macro error specifically identified –181 Indicates that a macro parameter placeholder was encountered outside of a Invalid outside macro macro definition definition Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 110: Error

    0 Error Err# Message Verbose/Correction Information The queue is empty. Either every error in the queue has been read, or the queue No error was cleared by power-on or *CLS Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 111: Condition Messages

    STATus:QUEStionable:CALibration register, as described in section “Condition Errors 36 to 64, Calibration Needed or Failed” on page 112. Err# Bit in Message Error or More Information status Warning register Align RF Skipped unused unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 112 PTRansition filter set, or a true-to-false transition with the NTRansition filter set, in any of the :CALibration sub-registers :SKIPped, :EXTended:NEEDed or :EXTended:FAILure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 113 This bit is the summary bit for the Align Skipped Sum Summary only STATus:QUEStionable:CALibration:SKIP ped sub-register. Align Now, RF required unused In PSA, this was error 64 Align Now, All required Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 114 Corrected measurements have been Input Attenuation not requested and the required RF front-end calibrated setting of x dB has not been calibrated. unused unused unused unused unused unused unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 115 Align 9kHz to 30MHz failed In PSA, this was error 13751 Align 30MHz to 1GHz failed The preselector characterization routine failed. Characterize Preselector failure unused unused unused unused unused unused unused unused unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 116: Condition Errors 101 To 199, Measurement Integrity

    To calculate Timing and Phase results in the No Result;Turn on MCE Code Domain Power view of Mod Accuracy, the "Multi Channel Estimator" must be set to ON. Otherwise these results are invalid. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 117 Meas or Cal). A measurement is attempted or a SCPI query Insufficient Data; Loss of a before or after loss table is made and there table empty are no entries in the relevant loss table Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 118 AF Spectrum RBW or the RF Spectrum RBW, decrease the Channel BW, and/or decrease the Demod Waveform Sweep Time. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 119: Condition Errors 201 To 299, Signal Integrity

    When the condition is cleared, an event with the error number plus 1000 is generated. These error numbers can be viewed in the Show Errors screen, along with the DETECTED and CLEARED indicators. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 120 WLAN: The instrument cannot find a valid WLAN burst. You may need to extend the search length. In PSA, this error was reported as one of the following error numbers: 10772, 13104, 10160, 10286, 10420, 10454, 10614, 10904, 10928, 13074, 10287 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 121 Failed to find the uplink slot, which caused the Sync synchronization with the Midamble to fail. Error;Midamble sync fail Burst type is "Data" or "Preamble" and the Sync measurement cannot find a Preamble Error;Preamble length zero Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 122 This may be caused by an interval too incorrect data capture. short There is no active channel detected. Demod Error;No active channel There is no active slot detected. Demod Error;Not an active slot Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 123: Condition Errors 301 To 399, Uncalibrated Integrity

    Condition Errors 301 to 399, Uncalibrated Integrity This series of errors corresponds to the bits in the STATus:QUEStionable:INTegrity:UNCalibrated sub-register. The second column in the table shows the corresponding bit in that register. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 124 Meas Uncal Signal ID on No Long Code Phase AC input coupling will function at lower AC coupled: Accy frequencies, but the performance is not specified unspec’d <10 MHz below 10 MHz. User cal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 125 (UNCAL) The measurement frequency range has been User Cal; Cal will be changed such that it is a subset of the calibrated interpolated range. (~CAL) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 126 RBW. Preamp will function at lower frequencies, but the Preamp: Accy unspec’d performance is not specified below XX kHz (XX is <XX kHz model number specific). unused unused unused unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 127: Condition Errors 401 To 499, Power

    Condition Errors 501 to 599, Frequency This series of errors corresponds to the bits in the STATus:QUEStionable:FREQuency register (s. The second column in the table shows the corresponding bit in that register. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 128 In PSA, this error was reported as error The pulse reference signal is missing or is Ref missing or out of not within the correct amplitude range. range; Pulse unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 129: Condition Errors 601 To 699, Error Summaries

    STATus:QUEStionable:TEMPerature sub-register. status bit This bit is the summary bit for the Frequency only STATus:QUEStionable:FREQuency sub-register. unused unused status bit This bit is the summary bit for the Calibration only STATus:QUEStionable:CALibration sub-register. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 130: Condition Errors 701 To 799, Operation

    More Information status Warning register status bit Calibrating only status bit Settling only unused status bit Sweeping only status bit Measuring only status bit Waiting for Trigger only status bit Waiting for Arm only Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 131: Condition Errors 801 To 899, Temperature

    “Condition Errors 601 to 699, Error Summaries” on page 129. Err# Bit in Message Error or More Information status Warning register (not currently in use) Reference Oscillator Oven Cold Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 132 Instrument Messages Condition Messages Err# Bit in Message Error or More Information status Warning register unused unused unused unused unused unused unused unused unused unused unused unused unused unused Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 133: What You Will Find In This Chapter

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide RF Section Troubleshooting (RF/Microwave Analyzers) What You Will Find in This Chapter The following information is found in this chapter: 1. Theory of operation of the RF section 2. Isolating the cause of an hardware problem by verifying the functionality of assemblies in the RF section signal path.
  • Page 134: Rf Section Troubleshooting (Rf/Microwave Analyzers)

    Spectrum Analyzer mode. Therefore, the IF will be 322.5 MHz. IF Path Mode 10 MHz (standard) 322.5 MHz Spectrum Analyzer or IQ Analyzer 25 MHz (Option B25) 322.5 MHz IQ Analyzer 40 MHz (Option B40) 250 MHz IQ Analyzer Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 135 (high band microwave signals will be routed through the A12 YTF Preselector). If a license for Option MPB is present, it will be possible to bypass the A12 YTF Preselector. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 136 507, 7.0 GHz Frequency Range, Option 513, 13.6 GHz Frequency Range, and Option 526, 26.5 GHz Frequency Range (up to 13.6 GHz). The control voltages and biasing for these assemblies come from the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 137 Front End Assembly. This is the signal path for Option 526, 26.5 GHz Frequency Range (for frequencies ≥13.6 GHz). The control voltages and biasing for these assemblies come from the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 138: Rf Section Theory Of Operation

    Align routine will perform a rough centering during the preselector two-point tuning algorithm. However, when troubleshooting, press Amplitude, Signal Path, Presel Adjust to manually center the preselector. The YTF Preselector is not present in most analyzers with Option 503, 3.6 GHz frequency range. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 139 5.5806250 GHz 22.3225 GHz a. Set span to Zero Span to measure 1st L.O. b. A13 Mixer 2 (refer to Chapter 12, “Block Diagrams.”) c. A13 Mixer 3 (refer to Chapter 12, “Block Diagrams.”) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 140 — Microwave Input Amplifier — Mixer #3 (RF input signals 13.6 GHz to 26.5 GHz) — 2nd I.F. Amplifier (322.5 MHz) — Microwave L.O. Sub-system (3.8 GHz to 8.7 GHz) — L.O. Doubler Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 141 — (Optional) High Band Preamplifier — (Optional) Low Band Preamplifier — (Optional) Electronic Attenuator (0-24 dB) — (Optional) Microwave Preselector Bypass Refer to Chapter 6, “Front End Control Troubleshooting.” for detailed descriptions & troubleshooting procedures Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 142: Troubleshooting

    169. If the power level is not within tolerance, press FREQ, Zero Span, AMPTD, Attenuation, Mech Atten, 10 dB. Turn off auto align by pressing System, Alignments, Auto Align, Auto Align, IMPORTANT Off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 143 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Disconnect the W15 or W36 cable from A13J7 on the RF Front End Assembly (1) 322.5 MHz output. See Figure 4-2. Figure 4-2 W15 or W36 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 144 50 MHz input calibrator signal. Reconnect the W15 or W36 cable to A13J7. Flatness issues or power level problems at other input frequencies below 3600 MHz may exist. This type of problem can be diagnosed using the suspect RF input frequency. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 145 8. A13 RF Front End Assembly In order to gain access to the front end components, remove the side chassis by removing the 10 screws . Refer to Figure 4-4. Figure 4-4 Remove the Side Chassis Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 146: Troubleshooting A Low Band Problem

    1. Reference Assembly Verification Remove cable W19 from A9 Input Attenuator A (1) and measure the 50 MHz calibrator signal on the cable end with a functioning Spectrum Analyzer. Refer Figure 4-5. Figure 4-5 W19 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 147 50 MHz at −25 dBm ± 3 dB. See Figure 4-6. If this level is incorrect, the Reference assembly is most likely defective. Reconnect W19 at A9 Input Attenuator A. Figure 4-6 50 MHz Calibrator Signal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 148 Press the following keys on the analyzer: FREQ, 1 GHz Zero Span Refer to Figure 4-7. Disconnect cable W4 at A14J740 of the L.O. Synthesizer Assembly (1). Figure 4-7 W4 and W6 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 149 A14J740. Adjust the functioning Spectrum Analyzer to measure a signal at 6122.5 MHz at +16 dBm ± 4 dB as seen in Figure 4-8. Figure 4-8 Measure 1st L.O. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 150 Assembly. If this level is correct and yet the signal previously measured at A14J740 is incorrect, the most probable cause is the A14 L.O. Synthesizer Assembly. Reconnect W4 cable to A14J740. Reconnect W6 cable to A14J200. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 151 Electronic Attenuator (Option EA3) logic should be tested if these options are installed in the analyzer. — Turn off the instrument. — Connect the E4410-60115 Front End Troubleshooting board to the A15 Front End Control Assembly as shown in Figure 4-10 Figure 4-11 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 152 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Figure 4-10 RF Front End Troubleshooting Board Figure 4-11 RF Front End Troubleshooting Board Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 153 — Press AMPTD, Attenuation, Mech Atten 0 dB All the attenuation LED's on the Front End Troubleshooting board should be off except for DS9 and DS10, +25V supply for Attenuator A and Attenuator B. Refer to Figure 4-12. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 154 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Figure 4-12 Front End Troubleshooting Board Attenuation LEDs Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 155 Coupling back to AC. If the LED's illuminate correctly, the switch control logic to Input Attenuator A from the A15 Front End Control Assembly is correct. If the LED's are not illuminating as expected, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 156 A15 Front End Control Assembly is correct. If the LED's are not illuminating as expected, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 157 Press Center Frequency, 5 GHz on the analyzer. Verify the voltages in Table 4-6. Table 4-6 In1A +9.72 In2A −9.84 In1B −9.84 In2B +9.72 If the voltages are not correct, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 158 DVM on one of the YTF Coil Current P8 pins and the other DVM lead to the other Coil Current pin. In order to measure the control current correctly, press Restart on the analyzer in between each measurement. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 159 ±30 ±40 ±50 a. Options 513 and 526 b. Option 526 Tolerances should be used as a guideline. The true test is whether or not the analyzer will function and meet published specification. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 160 L.O. output CF 20 GHz −9.83 S14A Sets path to either band 1 & 2 mixer or band CF 5 GHz −9.83 ±0.5 3 & 4 mixer CF 20 GHz +9.83 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 161 RF Front End Troubleshooting board cables, and reconnect the analyzer cables to the A15 Front End Control Assembly. Turn the instrument on and allow it to complete its full boot up process to Spectrum Analyzer mode. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 162 Attenuation, Mech Atten, 0 dB on the analyzer. Refer to Figure 4-13, remove cable W11 from A9 (1) Output. Measure the 50 MHz calibrator signal on the output of the attenuator using a functioning Spectrum Analyzer. Figure 4-13 Cable W11 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 163 W11 cable. If either of these levels is incorrect, Input Attenuator A is the most probable cause, provided the control logic from the A15 Front End Control Assembly was previously verified. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 164 Spectrum Analyzer. The level should be −25 dBm ± 2 dB as shown in Figure 4-15. Figure 4-15 50 MHz Calibrator Signal on Output of Attenuator B Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 165 The 50 MHz calibrator signal measured on the functioning Spectrum Analyzer should measure 6 dB lower than the previous step (~−31 dBm) as shown in Figure 4-16. Figure 4-16 50 MHz Calibrator Signal on Output of Attenuator B (with 6 dB Attenuation) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 166 Table 4-10 Attenuator Setting (dB) Expected Level Tolerance (dBm @ 50 MHz) −41 ±3 dB −45 ±3 dB ±3 dB −55 −65 ±4 dB ±4 dB −75 −85 ±4 dB a. requires Option FSA Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 167 Low Band Switch Power Level Verification Refer to Figure 4-17. Disconnect the W3 cable at A11J2 of the A11 Low Band Switch (1). Figure 4-17 Cable W3 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 168 Input Attenuator B • Low Band Switch • Front End Assembly — Input Attenuator A power level check — Input Attenuator B power level check — Low Band Switch logic and power level check Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 169: Quick Check To Verify High Band Rf Path #1

    Calibrator, 4.8 GHz on the analyzer. Now press FREQ, 4.8 GHz, Zero Span, AMPTD, Attenuation, Mech Atten, 10 dB on the analyzer. Turn off auto align by pressing System, Alignments, Auto Align, Auto Align, IMPORTANT Off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 170 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Disconnect cable W15 or W36 at A13J7, 322.5 MHz output on the Front End Assembly (1). See Figure 4-19. Figure 4-19 W15 or W36 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 171 2. A14 L.O. Synthesizer 3. A15 Front End Control Assembly 4. A9 Input Attenuator A 5. A10 Input Attenuator B 6. A11 Low Band Switch 7. A12 YTF Preselector 8. A13 RF Front End Assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 172 A13 RF Front End Assembly. Refer to Chapter 12, “Block Diagrams.” for details. In order to gain access to the front end components, remove the side chassis (1). See Figure 4-21. Figure 4-21 Remove the Side Chassis Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 173: 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 N9010B EXA Signal Analyzer Service Guide...
  • Page 174 4.8 GHz at −28 dBm ± 3 dB as shown in Figure 4-23. If this level is incorrect, the Reference Assembly is most likely defective. Reconnect W19 at A9 (1). Figure 4-23 4.8 GHz Calibrator Signal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 175 Press the following keys on the analyzer: Mode Preset FREQ, 5 GHz Zero Span Refer to Figure 4-24. Disconnect cable W4 at A14J740 of the L.O. Synthesizer Assembly (1). Figure 4-24 W4 and W6 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 176 Figure 4-25 Measure 1st L.O. If this power level is incorrect remove W6 at A14J200. Refer to Figure 4-24. Connect the functioning spectrum analyzer to the cable output using the appropriate high-frequency cable. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 177 Assembly. If this level is correct and yet the signal previously measured at A14J740 is incorrect, the most probable cause is the A14 L.O. Synthesizer Assembly. Reconnect W4 cable to A14J740. Reconnect W6 cable to A14J200. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 178 The control logic should be verified going to each assembly while the Front End Troubleshooting board is connected. — Turn off the instrument. — Connect the E4410-60115 Front End Troubleshooting board to the A15 Front End Control Assembly as shown in Figure 4-27 Figure 4-28. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 179 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Figure 4-27 RF Front End Troubleshooting Board Figure 4-28 RF Front End Troubleshooting Board Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 180 4. Input Attenuator A Control Logic Verification All the attenuation LED's on the Front End Troubleshooting board should be off except for DS9 and DS10, +25V supply for Attenuator A and Attenuator B. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 181 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Figure 4-29 Front End Troubleshooting Board Attenuation LEDs Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 182 Coupling back to AC. If the LED's illuminate correctly, the switch control logic to Input Attenuator A from the A15 Front End Control Assembly is correct. If the LED's are not illuminating as expected, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 183 A15 Front End Control Assembly is correct. If the LED's are not illuminating as expected, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 184 Press Freq 5 GHz on the analyzer. Verify the voltages in Table 4-14. Table 4-14 Test Point Voltage In1A +9.72 In2A −9.84 In1B −9.84 In2B +9.72 If the voltages are not correct, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 185 To further test the YTF control current, select Amps on the DVM and place the positive lead of the DVM on one of the YTF Coil Current P8 pins and the other DVM lead to the other Coil Current pin. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 186 ±30 ±40 ±50 a. Options 513 and 526 b. Option 526 Tolerances should be used as a guideline. The true test is whether or not the analyzer will function and meet published specification. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 187 L.O. output CF 20 GHz −9.83 S14A Sets path to either band 1 & 2 mixer or band CF 5 GHz −9.83 ±0.5 3 & 4 mixer CF 20 GHz +9.83 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 188 Amplifier bias to A13 RF Front End ±0.5 Assembly TWAD3 Amplifier bias to A13 RF Front End ±0.5 Assembly TWAD4 Amplifier bias to A13 RF Front End ±0.5 Assembly TWAD5 Amplifier bias to A13 RF Front End ±0.5 Assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 189 W11 from A9 (1) Output. Measure the 4.8 GHz calibrator signal on the output of the attenuator using the proper high frequency cables and connect to the functioning Spectrum Analyzer. Figure 4-30 W9 and W11 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 190 Press AMPTD, Attenuation, Mech Atten, 0 dB. Remove output cable W9 from A10 (2). Refer to Figure 4-30. Measure the 4.8 GHz calibrator signal on the output of the attenuator using a functioning Spectrum Analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 191 Table 4-18 Attenuator Setting Expected Level Tolerance dBm @ 4.8 GHz ±3 dB −44 −48 ±3 dB ±3 dB −58 −68 ±4 dB ±4 dB −78 ±4 dB −88 a. requires Option FSA Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 192 10 dB by pressing Mech Atten, 10 dB on the analyzer. If either of these levels measure incorrectly, Input Attenuator B is the most probable cause, provided the switch control logic has been verified. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 193 A12 YTF Preselector when removing W8 or W31. Press Input/Output, RF Calibrator, 4.8 GHz, AMPTD, Attenuation, Mech Atten, 10 dB, FREQ, 4.8 GHz, Zero Span on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 194 −46 dBm ± 3 dB as shown in Figure 4-34. There is ~8 dB of loss through the A11 Low Band Switch when using the 4.8 GHz reference signal. Figure 4-34 4.8 GHz Calibrator Signal at Output of W8 Cable Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 195 Cable W7 at A12 Output Once the connector is installed, carefully reconnect W8 or W31to make the measurement. If the power level is incorrect, the most probable cause is the A12, YTF Preselector. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 196 4.8 GHz Calibrator Signal at Output of W7 Cable If the power level is incorrect, the most probable cause is the YTF Preselector. Reconnect W7 and W8 cables (or W31 and W34 cables). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 197 A13 RF Front End Assembly. If the failure is amplitude related, proper adjustments such as frequency response and the YTF Preselector adjust should be performed first before changing the A13 RF Front End Assembly. Refer to Chapter 12, “Block Diagrams.” for details. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 198: High Band Preamp (Option P07, P13, P26)

    RF is the input signal at the signal analyzer where N is the harmonic mixing mode: N = 1 for 8.4 GHz to 13.6 GHz N = 2 for 17 GHz to 26.5 GHz Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 199: Microwave Preselector Bypass (Option Mpb)

    Depending on the signal source connected, you may see many “signals” appear on screen because without pre-filtering, the analyzer will display image and multiple responses. The real input signal should not change amplitude when you switch the uW Preselector Bypass on and off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 200 RF Section Troubleshooting (RF/Microwave Analyzers) Troubleshooting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 201: Rf Section Troubleshooting (Millimeter-Wave Analyzers)

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 5 RF Section Troubleshooting (Millimeter-Wave Analyzers) What You Will Find in This Chapter The following information is found in this chapter: 1. Theory of operation of the RF section. 2. Isolating the cause of an hardware problem by verifying the functionality of assemblies in the RF section signal path.
  • Page 202: Rf Section Description

    Therefore the IF frequency will be 322.5 MHz. IF Path Mode 10 MHz (standard) 322.5 MHz Spectrum Analyzer or IQ Analyzer 25 MHz (Option B25) 322.5 MHz IQ Analyzer 40 MHz (Option B40) 250 MHz IQ Analyzer Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 203 4800 MHz (2nd LO)). The 2nd IF output is at A13A1J7. This signal path is used for all frequency range options when the RF input frequencies are < 3600 MHz. The control voltages and biasing for these assemblies come from the A15 Front End Control assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 204 The signal path for 34.5 GHz to 44 GHz operation is almost the same as the 3.6 GHz to 17.1 GHz path. The only difference is that Mixer #4 is used in this path. The LO is doubled for all tuned frequencies in this path. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 205: A9 Input Attenuator A

    The preselector requires centering for optimum amplitude accuracy. The Auto Align routine will perform a rough centering during the preselector two point tuning algorithm. However, when troubleshooting, press Amplitude, Signal Path, Presel Adjust to manually center the preselector. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 206: A13 Rf Front End Assembly (Options 532, 544)

    This assembly contains the major front end conversion components. The A13 is repaired at the assembly level. Replacement A13 assemblies include the A13A1 1st IF Bandpass Filter. See Figure 5-1. Figure 5-1 A13 RF Front End Assembly View from Front Panel Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 207 — Front End Assembly including switched filter — (Optional) High Band Preamplifier — (Optional) Low Band Preamplifier — (Option EA3) Electronic Attenuator (0-24 dB) Refer to Chapter 6, “Front End Control Troubleshooting.” for detailed descriptions & troubleshooting procedures Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 208: Troubleshooting

    To verify the high band path go to “Quick Check to Verify High Band RF Path” on page 218. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 209 Reconnect the W36 cable to A13J7. Flatness issues or power level problems at other input frequencies below 3600 MHz may exist. This type of problem can be diagnosed using an external source to verify performance. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 210 In order to gain access to the front end components, remove the front frame assembly, but leave the ribbon cable connected so you can still control the instrument. Remove the right side chassis. Refer to the removal procedures in Chapter 15, “Assembly Replacement Procedures.”. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 211: Troubleshooting A Low Band Problem

    A11 Low Band Switch, the interconnect cables, or the control signals. The control signals are explained in Chapter 6, “Front End Control Troubleshooting”, on page 231. Figure 5-3 RF Section (Options 532, 544) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 212 Output Port (dBm) (Options 532, 544) 0 dBm (reference) Both set to through path −2 −4 −6 −8 −10 −20 −30 −40 −50 −60 a. These settings only available if Option FSA is installed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 213 Press the following keys on the analyzer: FREQ, 1 GHz Span Zero Span Refer to Figure 5-4. Disconnect cable W4 at A14J740 of the L.O. Synthesizer Assembly (1). Figure 5-4 W4 and W6 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 214 A14J740. Adjust the functioning Spectrum Analyzer to measure a signal at 6122.5 MHz at +16 dBm ± 4 dB as seen in Figure 5-5. Figure 5-5 Measure 1st L.O. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 215 The input signal level was measured on W3 as part of the A11 Low Band Switch verification. The output signal level was measured at A13J7 during the quick check to verify the Low Band Signal Path. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 216 Assure you have evaluated all causes before you replace the Front End assembly. If you determine the problem is at a frequency other than 50 MHz, perform the low band flatness adjustment before replacing the Front End assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 217 RF is the input signal at the signal analyzer Low Band second mixer: RF = LO + IF IF = RF − LO LO = RF − IF where RF in this case is the first IF signal (signal at A13J11) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 218: Quick Check To Verify High Band Rf Path

    3.5 mm (f) to 2.4 mm (m) adapters (2 required) 3.5 mm (m) to 2.4 mm (f) adapter To perform the following checks, it will be necessary to remove the outer cover and the top brace. See Chapter 15 for removal procedures. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 219 Turn off auto align by pressing System, Alignments, Auto Align, Auto Align, IMPORTANT Off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 220 RF Section Troubleshooting (Millimeter-Wave Analyzers) Troubleshooting Disconnect cable W36 at A13J7, 322.5 MHz output on the Front End Assembly. See Figure 5-7. Select Span, 0 Hz. Figure 5-7 A13A1J7 Location (Options 532, 544) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 221 4.8 GHz internal calibrator signal. 1. A11 Low Band Switch 2. A10 Input Attenuator B 3. A9 Input Attenuator A 4. A16 Reference Assembly (4.8 GHz calibrator) 5. A12 YTF Preselector 6. A13 Front End Assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 222 Preselector adjust should be performed first before changing the A13 RF Front End Assembly. In order to gain access to the front end components, remove the side chassis (1) by removing the 16 screws (2). See Figure 5-9. Figure 5-9 Remove the Side Chassis Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 223: Troubleshooting A High Band Problem

    If the signal level is incorrect, and Option MPB (Microwave Preselector Bypass) is installed, press Amplitude, Signal Path, uWPath Control, uW Presel Bypass. If the signal level is now −52 dBm, suspect the A12 YTF is out of adjustment or faulty. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 224 On the A16 Reference assembly, disconnect semi rigid cable W19 from A16J701 and measure A16J701 with a spectrum analyzer. Expected signal is 4.8 GHz at −28 dBm ± 0.5 dB. If signal level is incorrect, suspect A16 Reference Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 225 Attenuator Setting (dB) Port (dBm) Tested 0 dBm (reference) Both set to through path −2 −4 −6 −8 −10 −20 −30 −40 −50 −60 a. These settings only available if Option FSA is installed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 226 Press the following keys on the analyzer: Mode Preset FREQ, 5 GHz Center Frequency Span, Zero Span Refer to Figure 5-12. Disconnect cable W4 at A14J740 of the L.O. Synthesizer Assembly (1). Figure 5-12 W4 and W6 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 227 Figure 5-13 Measure 1st L.O. If this power level is incorrect remove W6 at A14J200. Refer to Figure 5-12. Connect the functioning spectrum analyzer to the cable output using the appropriate high-frequency cable. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 228 The input signal level was measured on W46 or W7 as part of the A13 Front End Input Verification. The output signal level was measured at A13J7 during the quick check to verify the High Band signal path. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 229 Assure start frequency is 3.6 GHz or greater. Press AMPTD, Signal Path, uW Path Control, uW Presel Bypass. When the bypass switch, Switch 4, changes state you will hear a click. Depending on the signal source connected, you may Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 230 “signals” appear on screen because without preselection, the analyzer will display images and multiples. The real input signal should not change amplitude when you switch the uW Preselector Bypass on and off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 231: Front End Control Troubleshooting

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 6 Front End Control Troubleshooting What You Will Find in This Chapter The following information is found in this chapter: A15 Front End Control Description on page 232 A15 Front End Control Assembly Troubleshooting on page 238...
  • Page 232: A15 Front End Control Description

    CRP), the microwave preselector bypass option (MPB), and provide the IF signal for the 40 MHz analysis bandwidth option (B40). The A15 Enhanced Front End Control assembly is standard on EXA’s with either option 532 or 544. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 233 — Mixer Bias — Amplifier Bias — Switch Control — Sweep Ramp (reserved for future use) Refer to Table 6-1 for details regarding which options are supported by the two choices of A15 assemblies. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 234 40 MHz Analysis Bandwidth A15 to A3 EFEC Digital Signal Processing & A15 to A3 EFEC 2 GB Capture Memory Frequency Range, 32 GHz A15 to A13 EFEC Frequency Range, 44 GHz A15 to A13 EFEC Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 235 Front End Control Troubleshooting A15 Front End Control Description Figure 6-1 A15 Front View, Physical Connectors (EFEC) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 236 Front End Control Troubleshooting A15 Front End Control Description Figure 6-2 A15 Front View, Physical Connectors (EFEC-Lite) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 237 J302 Preselector Tune Out N/A (test point only) J300 J300 YTF Bias Control Out To A12 J802 Low Noise Bypass Switch Logic Out Reserved for future use J100 J100 Motherboard Connector From A8 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 238: A15 Front End Control Assembly Troubleshooting

    N9010B, EXA Signal Analyzer due to the additions of front end assemblies. The troubleshooting board kit part number is N9020-60005 and includes the troubleshooting board and required interconnect cables.
  • Page 239: Verifying Input Attenuator A, Input Attenuator B, Low Band Switch Logic And Power Supplies

    Verifying Input Attenuator A, Input Attenuator B, Low Band Switch Logic and Power Supplies 1. Turn off the instrument. 2. Disconnect ribbon cables from A15J700 and A15J800 as shown Figure 6-3. Figure 6-3 Ribbon Cables at A15J700 and A15J800 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 240 Low Band Switch Control Cable, E4410-60160 between A15J700 and J2 of the RF Front End Troubleshooting board. Do not connect this cable if the frequency range option is 532 or 544. Figure 6-4 RF Front End Troubleshooting Board Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 241 7. Turn Auto Align off by pressing System, Alignments, Auto Align, Auto Align, Off on the analyzer. Resistors on the test board can get very hot. Handle with care. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 242 Attenuator Setting (dB) DS15 DS16 a. These settings available only if analyzer has Option FSA, Fine Step Attenuator. If this is incorrect, the most probable cause is the A15, Front End Control assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 243 Coupling, DC On on the analyzer. DS14 should turn off and DS11, DC Select LED should illuminate. Switch the RF Coupling back to AC. If the LED's do not illuminate correctly, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 244 Attenuator Setting DS14 DS15 DS16 (dB) a. These settings available only if analyzer has Option FSA, Fine Step Attenuator. If this is incorrect, the most probable cause is the A15 Front End Control Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 245 A15 Front End Control Assembly. Set the input attenuator back to 10 dB by pressing AMPTD, Attenuation, Mech Atten, 10 dB on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 246 A15 Front End Control Assembly. Set the input attenuator back to 10 dB by pressing AMPTD, Attenuation, Mech Atten, 10 dB on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 247 +10.0 If the voltages are not correct, the most probable cause is the A15 Front End Control board. The procedure above will not work on analyzers with frequency range options 532 or 544. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 248 EXA Low Band switch ribbon cable and the input attenuator ribbon that were originally plugged into the Front End Control board before testing the input attenuator and low band switch logic. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 249: Preselector Tune Output

    Preselector Tune Output Voltages (Option 532,) Center Frequency ~ Tune Voltage Valid Frequency (GHz) (VDC) Range Option 532, 544 10.0 532, 544 15.0 532, 544 20.0 532, 544 25.0 532, 544 30.0 532, 544 40.0 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 250: Verifying Microwave Preselector Bypass Switch (Option Mpb)

    A15. In order to perform this measurement, the outer cover and chassis RF bracket on the right hand side of the instrument must be removed. Refer to Chapter 15, “Assembly Replacement Procedures” for the removal procedures. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 251 Both connectors are programmed to behave identically. However, on analyzers with Option 532 or 544 only the green, black, yellow connector is used to control SW4. Figure 6-6 SW1 and SW2 Connector Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 252 5 GHz, Span, 1 MHz, AMPTD, Signal Path, uW Path Control. Standard Path is selected by default. Carefully place the scope probe tip on the conductive portion where the green wire goes into the connector, see Figure 6-9. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 253 0 VDC on the oscilloscope for ~15 mS before the voltage returns to ~21.5 VDC steady state. The oscilloscope triggering may need to be adjusted to see the negative going pulse. This can be tested on both connectors that contain the green wire. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 254 Controller board. Reconnect all cables to their correct location when finished with the measurements. When plugging in an mmcx connector, a distinct “snap” should be heard IMPORTANT when the cable is seated correctly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 255: Verifying Aux If Out, Rear Panel (Option Cr3, Crp Only)

    Controller board. This troubleshooting procedure provides the instrument setups to verify options CR3 and CRP. Test the Aux I.F. output based on the options installed in the analyzer. Standard Analyzer No test to perform. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 256: Verifying Option Cr3

    Connect the Aux I.F. Output on the rear panel to the RF Input of a functioning spectrum analyzer. If the A15 Front End Controller is switching the I.F. correctly, you should measure 322.5 MHz at −35 dBm ±3 dB as per Figure 6-10. Figure 6-10 322.5 MHz Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 257: Verifying Option Crp

    With the Arbitrary IF as the active function, you can vary the I.F. from 10 MHz to 70 MHz in 500 kHz steps and measure the Aux IF output. The amplitude level should remain fairly flat across the entire arbitrary IF output range. Figure 6-11 70 MHz Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 258 Front End Control Troubleshooting A15 Front End Control Assembly Troubleshooting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 259: Analog/Digital If Troubleshooting

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide Analog/Digital IF Troubleshooting What You Will Find in This Chapter The following information is presented in this chapter: 1. Theory of operation of the IF section. 2. Isolating the cause of a hardware problem by verifying the functionality of assemblies in the IF section signal path.
  • Page 260 A2 Analog IF Assembly Theory of Operation on page 281 A2 Analog IF Troubleshooting on page 284 A3 Digital IF Assembly Description on page 291 A3 Digital IF Assembly Theory of Operation on page 292 A3 Digital IF Troubleshooting on page 294 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 261: 25 Mhz Bw If Section

    LO Input (300 MHz signal from A16 Reference Assembly) 22.5 MHz Cal Comb Signal (from the A3 Digital I.F. Assembly) Outputs from the A2 22.5 MHz signal (to A3 Digital I.F. Assembly) RF Trigger Detector (to A3 Digital I.F. Assembly) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 262: A2 Analog I.f. Assembly Theory Of Operation

    Assembly with the 22.5 MHz cal comb signal from the A3 Digital I.F. to allow calibration of the prefilters and overall passband phase and amplitude. The signal is attenuated by 20 dB if necessary. A limiter is used to reduce amplitude variation effects. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 263 The through path is used when the analyzer Res BW setting is 430 kHz and greater in analyzer swept mode. In IQ Analyzer mode or in Spectrum Analyzer mode with Sweep Type of FFT, the analyzer span setting determines the pre-filter settings. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 264 The Burst Carrier Trigger detector provides a binary signal to be used as a trigger based on the presence of an RF input signal or not. The variable gain amplifiers drive a detector and its output drives a comparator which generates the trigger signal. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 265: A2 Analog I.f. Troubleshooting

    7. To continue verifying press FREQ, Zero Span. Verify the input attenuator on the N9010B is set to 10 dB. Look near the top of the display near the center and verify that Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer.
  • Page 266 SMA connectors and cables. 10.Press Freq, 322.5 MHz, Span, 1 MHz, Peak Search on the functioning spectrum analyzer 11.The analyzer should read 322.5 MHz at −30 dBm ± 3 dBm as shown in Figure 7-2. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 267 If the analyzer is equipped with either Option CR3 and/or CRP, the 322.5 MHz signal will also be routed from A13J7 to A15J902 via W36 and from A15J900 to A2J100 via W37. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 268 7. To continue verifying press FREQ, Zero Span. Verify the input attenuator on the N9010B is set to 10 dB. Look near the top of the display near the center and verify that Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer.
  • Page 269 If the 22.5 MHz signal is within tolerance, carefully reconnect the W13 cable. You should hear a distinct snap when reconnecting the W13 cable. If this cable is not installed properly, intermittent signal fluctuations may occur on the analyzer display. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 270 Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer. 3. Press Freq, 300 MHz, Span, 1 MHz, Amplitude, 10 dBm, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 271 Reference Assembly troubleshooting section in this service guide. If the 300 MHz L.O. is measuring the correct power level and frequency and the 22.5 MHz signal is low, the most probable cause is the A2 Analog I.F. assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 272: A3 Digital I.f. Assembly Description

    — Capture memory for complex signals — Noise Source Control — Dither for final I.F. — Provides the alignment sequence generator for wide band alignments — Provides wide band Comb Calibration Signal — Trigger interpolation and associated alignment Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 273: A3 Digital I.f. Assembly Theory Of Operation

    The signal then passes through a 30 MHz to 90 MHz tripler. A 0 to 5V 30 MHz square wave is generated. Capacitors form a single-pole band pass filter to select the 3rd harmonic, 90 MHz. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 274 Messenger or LVDS. The implementation on the Digital IF is unidirectional, meaning it can only source data, not receive it. Common mode filtering is required to translate the digital ground referenced signals to analog ground at the rear panel. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 275: A3 Digital I.f. Troubleshooting

    10 dB. (Look near the top of the display near the center and verify Atten: 10 dB) If the analyzer is not in 10 dB of input attenuation press AMPTD, Attenuation, Mech Atten 10 dB. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 276 Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer. 11.Press Freq, 22.5 MHz Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 277 1 MHz, Peak Search on the analyzer. The marker readout should be 50 MHz at −25 dBm ± 3 dBm. If this reference signal is measuring incorrectly, see Chapter 4, “RF Section Troubleshooting (RF/Microwave Analyzers)”, on page 133 in this service guide. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 278 Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer. 11.Press Freq, 10 MHz, Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 279 A3 Digital IF or the A4 CPU. It is difficult to separate these two assemblies given the architecture of the analyzer. Each assembly will have to be tried to see which one is causing the failure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 280: 40 Mhz Bw If Section

    LO Input (300 MHz signal from A16 Reference Assembly) 22.5 MHz Cal Comb Signal (from the A3 Digital IF Assembly) Outputs from the A2 22.5 MHz signal (to A3 Digital IF Assembly) RF Trigger Detector (to A3 Digital IF Assembly) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 281: A2 Analog If Assembly Theory Of Operation

    22.5 MHz cal comb signal from the A3 Digital IF to allow calibration of the prefilters and overall passband phase and amplitude. The signal is attenuated by 20 dB if necessary. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 282 The through path is used when the analyzer Res BW setting is 430 kHz and greater in analyzer swept mode. In IQ Analyzer mode or in Spectrum Analyzer mode with Sweep Type of FFT, the analyzer span setting determines the pre-filter settings. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 283 The Burst Carrier Trigger detector provides a binary signal to be used as a trigger based on the presence of an RF input signal or not. The variable gain amplifiers drive a detector and its output drives a comparator which generates the trigger signal. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 284: A2 Analog If Troubleshooting

    10 dB. Look near the top of the display near the center and verify that Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 285 A15 RF Front End Control Assembly 9. Connect A15J900 to a functioning spectrum analyzer using the appropriate MMCX connectors and cables. 10.Press Freq, 322.5 MHz, Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 286 A15J900. Since the W37 cable connects from this output to the input of the Analog I.F. assembly at A2J100, the small coaxial cable has not been tested at the A2J100 end. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 287 Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer. 8. Refer to Figure 7-13, carefully disconnect the W41 cable at A3J19. Figure 7-13 A3 Digital IF Cables Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 288 13.If the 22.5 MHz signal is within tolerance, carefully reconnect the W41 cable to A3J19. You should hear a distinct snap when reconnecting the W41 cable. If this cable is not installed properly, intermittent signal fluctuations may occur on the analyzer display. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 289 SMA adapter to the RF input of a functioning spectrum analyzer. 3. Press Freq, 300 MHz, Span, 1 MHz, Amplitude, 10 dBm, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 290 A16 Reference Assembly troubleshooting section in this service guide. 6. If the 300 MHz LO is measuring the correct power level and frequency and the 22.5 MHz signal is low, the most probable cause is the A2 Analog IF assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 291: A3 Digital If Assembly Description

    — Capture memory for complex signals — Noise Source Control — Dither for final I.F — Provides the alignment sequence generator for wide band alignments — Provides wide band Comb Calibration Signal — Trigger interpolation and associated alignment Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 292: A3 Digital If Assembly Theory Of Operation

    Feldspar DSP. T2 does all the swept SA DSP and orchestrates measurements. It also provides outputs to the reconstruction system. Feldspar is a DPSP ASIC which performs all the DSP for wide-band applications. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 293 Messenger or LVDS. The implementation on the Digital IF is unidirectional, meaning it can only source data, not receive it. Common mode filtering is required to translate the digital ground referenced signals to analog ground at the rear panel. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 294: A3 Digital If Troubleshooting

    10 dB. Look near the top of the display near the center and verify Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 295 Use an appropriate cable to go from the SMA connector to the RF input of a functioning spectrum analyzer to verify the 22.5 MHz I.F. signal frequency and amplitude is correct. 11.Press Freq, 22.5 MHz Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 296 13.If the 22.5 MHz signal is not measuring the correct power level, see “A2 Analog I.F. Troubleshooting” on page 265 in this service guide. 14.If the 22.5 MHz signal is within tolerance, carefully reconnect the W41 cable to A3J19. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 297 10 dB. Look near the top of the display near the center and verify Atten: 10 dB is visible. If needed change the input attenuator by pressing AMPTD, Attenuation, Mech Atten 10 dB on the analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 298 RF input of a functioning spectrum analyzer to verify the 250 MHz I.F. signal frequency and amplitude is correct. 13.Press Freq, 250 MHz, Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 299 16.If the 250 MHz signal is within tolerance, carefully reconnect the W38 or W52 cable to A3J15. You should hear a distinct snap when reconnecting the cable. If this cable is not installed properly, intermittent signal fluctuations may occur on the analyzer display. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 300 RF input of a functioning spectrum analyzer to verify the 100 MHz reference frequency and amplitude is correct. 9. Press AMPTD, Ref Level, 20 dBm, Freq, 100 MHz, Span, 1 MHz, Peak Search on the functioning spectrum analyzer. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 301 Digital IF or the A4 CPU. It is difficult to separate these two assemblies given the architecture of the analyzer. Each assembly will have to be tried to see which one is causing the failure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 302 Analog/Digital IF Troubleshooting 40 MHz BW IF Section Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 303: L.o. Synthesizer/Reference Troubleshooting

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide L.O. Synthesizer/Reference Troubleshooting What You Will Find in This Chapter The following information is found in this chapter: A14 L.O. Synthesizer Assembly Description on page 304 A14 L.O. Synthesizer Theory of Operation on page 305 A14 L.O.
  • Page 304: A14 L.o. Synthesizer Assembly Description

    +13 to +18 dBm. The RF input signal mixes with the 1st L.O. in one of three possible mixers on the RF Front End Assembly. For more detailed description on the RF Front End Assembly, see Chapter 4, “RF Section Troubleshooting (RF/Microwave Analyzers)” in this service guide. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 305: A14 L.o. Synthesizer Theory Of Operation

    FM tune port to be formed. It has more than an octave of tuning range with relatively flat tuning sensitivity. — The LO Multiplier is a frequency multiplier with switched filters and amplifiers to produce the required output frequency. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 306: A14 L.o. Synthesizer Troubleshooting

    — Measure L.O. Output Power. — Measure L.O. Output Frequency. These items can be checked with a functioning spectrum analyzer using cables and connectors that function well up to 10 GHz. Figure 8-1 A14 L.O. Synthesizer Assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 307: Verifying The 4800 Mhz Input Power & Frequency Stability

    DS2 and DS3 will illuminate when the W6 cable is removed. This is normal. — Connect A14W6 cable end to the RF input of the functioning spectrum analyzer. Figure 8-2 W4 and W6 Location Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 308 L.O. Synthesizer/Reference Troubleshooting A14 L.O. Synthesizer Troubleshooting — The analyzer marker should read 4800 MHz at +4.5 dBm ± 2 dB as shown in Figure 8-3. Figure 8-3 4800 MHz Wide Span Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 309 — Reconnect the W6 cable to A14J200. Figure 8-4 4800 MHz Narrow Span If the 4800 MHz signal is not measuring the correct power level, see the “A16 Reference Assembly Troubleshooting” section later in this chapter. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 310: Verifying The 1St L.o. Output Power

    — The analyzer marker should read 4.5225 GHz or 5.7225 GHz at +16.55 dBm ± 3 dB as shown in Figure 8-5. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 311 LO output expected frequency and power using the functioning spectrum analyzer. Perform the preselector peak or preselector centering on the functioning spectrum analyzer if any of the expected 1st L.O. power levels are not within tolerance. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 312 +16 ± 3 dB 5.8225 +16 ± 3 dB Figure 8-6 (see 2100 7.2225 +16 ± 3 dB 2200 7.3225 +16 ± 3 dB Figure 8-7 (see a. Does not apply to analyzers with Option 503. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 313 L.O. Synthesizer/Reference Troubleshooting A14 L.O. Synthesizer Troubleshooting Figure 8-6 5.8225 GHz 1st L.O. Measurement Figure 8-7 7.3225 GHz 1st L.O. Measurement Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 314: A16 Reference Assembly Description

    The frequency accuracy of the analyzer is directly tied to the accuracy of the frequency reference that is being used. Diagnostic LEDs monitor the status of the various PLLs on the A16 Reference Assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 315 The 100 MHz signal from A16J716 is used as the reference for the optional A3 Digital IF which supports analysis on analyzers with bandwidths up to 40 MHz. This A3 is used on analyzers with Options B40, MPB, or DP2. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 316: A16 Reference Assembly Troubleshooting

    If not, the Reference Assembly is the most probable cause provided the power supply is operating correctly. Refer to “A7 Midplane Assembly Troubleshooting” on page 349 if the power supplies are suspect. Figure 8-8 A16 Reference Assembly Figure 8-9 A16 Reference LEDs Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 317 100 MHz Ref B A16J716 100 MHz +13 dBm 8-17 10 MHz A16J710 10 MHz +7 dBm Figure 8-18 Output a. Used in units without any of the following options: B40, DP2, MPB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 318 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8-10 50 MHz Ecal Out Figure 8-11 4.8 GHz 2nd LO Out Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 319 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8-12 4.8 GHz 1st LO Ref Out Figure 8-13 50 MHz Ref Out Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 320 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8-14 4.8 GHz Ref Out Figure 8-15 2.4 GHz Ref Output Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 321 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8-16 300 MHz LO AIF Figure 8-17 100 MHz Ref B Out Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 322 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Figure 8-18 10 MHz Output Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 323: Diagnostic Leds

    Is the 2.4 GHz reference PLL locked? On=Normal (locked) Off=Fault (unlocked) A16A1DS5 Green Is the 2.4 GHz VCXO working? On=Yes (alive) Off=Fault (not alive) A16A1DS6 Yellow When Program Code is loading On=Loading code from EEPROM Off=Ready Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 324 L.O. Synthesizer/Reference Troubleshooting A16 Reference Assembly Troubleshooting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 325: Cpu/Disk Drive Troubleshooting

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide CPU/Disk Drive Troubleshooting What You Will Find in This Chapter The following information is presented in this chapter: 1. Theory of operation of the Processor section. 2. Isolating the cause of a hardware problem by verifying the functionality of assemblies in the Processor section.
  • Page 326: A4 Processor Description

    A4 Processor assembly. When the front panel power switch is pressed the A4 Processor assembly tells the A6 Power Supply assembly to turn on. Once the +12V D, +5.1V D, and +3.35V D supplies are all on and within Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 327: Rear Panel Connectivity

    — 1 x High Speed USB 2.0 Host Port — DisplayPort Video Output — VGA Output — SD Memory Card Slot (Accessible only when A5 disk drive is removed) Figure 9-1 A4 Processor Assembly Rear Panel Connectivity Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 328: System Memory

    A5 disk drive assembly has been changed and the calibration database needs to be transferred to it. The SD memory card is field replaceable. See Chapter 14, “Replaceable Parts” for the correct replacement part number. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 329: A4 Processor Assembly Troubleshooting

    Accessing BIOS Setup Utility To easily navigate the BIOS Setup Utility you will want to have an external USB keyboard connected to the instrument. Then, when the initial Keysight Technologies splash screen is displayed at power-up, press the key on the keyboard specified on the initial boot screen (typically the DEL key).
  • Page 330: A5 Disk Drive Description

    For information on how to backup this data see the “Calibration Data Backup and Restore” section in Chapter 16, “Post-Repair Procedures.”. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 331: Drive Partitioning

    Data saved in this partition will not be lost if the Instrument Image Recovery process is run. E.This partition is reserved for Keysight's use. The primary use of the E: partition is for storing of the instrument calibration and alignment data. Do not change or overwrite the files on this partition. This could cause your instrument to not meet specifications, or even to stop functioning properly.
  • Page 332: Instrument Image Recovery System

    The same is true for the instrument calibration database since it resides on the E: partition. To restore the C: drive using the image stored in this recovery partition see the section titled “Disk Drive Recovery Process” on page 334. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 333: A5 Disk Drive Troubleshooting

    This procedure will not affect the instrument's calibration or user files. If this does not resolve the boot issue, or the instrument never boots the operating system proceed to the “Disk Drive Recovery Process”. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 334: Disk Drive Recovery Process

    Using the Instrument Image Recovery System 1. Make sure the instrument is turned off 2. Turn on the instrument 3. After the "Keysight Technologies" screen is displayed the Windows Boot Manager screen as shown in Figure 9-2 will be displayed for 5 seconds...
  • Page 335 If the above two procedures did not resolve the booting issue, the disk drive should be replaced. Please refer to the “Disk Drive” on page 509 replacement section in Chapter 15, “Assembly Replacement Procedures”, on page 441. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 336 CPU/Disk Drive Troubleshooting A5 Disk Drive Troubleshooting Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 337: What You Will Find In This Chapter

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 10 Power Supply/Midplane Troubleshooting What You Will Find in This Chapter The following information is found in this chapter: A6 Power Supply Description on page 338 A6 Power Supply Basic Troubleshooting (Cover On) on page 344...
  • Page 338: A6 Power Supply Description

    AC power input connector and then reconnected. The power supply assembly plugs into the A7 Midplane Assembly from the rear of the instrument. (see Figure 10-1.) Figure 10-1 Power Supply and Midplane Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 339: Power Supply Theory Of Operation

    +3.35V D DCOM J107/J108 +15V A ACOM J103/J104 -15V A ACOM J105 +9V A ACOM J104 -7V A ACOM J105 +5.2V A ACOM J102 FAN POS FAN NEG J101 FAN NEG FAN POS J101 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 340 PS_TEMP is a read out of the internal temperature of the power supply. PS_FAULT PS_FAULT will be a TTL low level signal to indicate that the supply is experiencing an over voltage, over current, or over temperature condition. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 341 The A6 Power Supply assembly will protect itself by shutting down if it overheats. It will also reset itself with no user interaction after the temperature is reduced by approximately 10 degrees C. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 342 Off input, active low. Used to turn off all non-standby supplies. Fan_P Positive fan power supply. Fan_N Negative fan power supply. +12D 12 Volt Digital power supply. +5.1D 5.1 Volt Digital power supply. +5.1D_Sense Remote sense for +5.1 digital supply. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 343 DCOM_Sense Remote sense for DCOM. PWR_OK Power OK Output. PS_ONn Power supply turn on input, active low. ChassisCOM Power supply outer case. Connected to common ground point inside the power supply. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 344: A6 Power Supply Basic Troubleshooting

    If these initial checks are functioning properly and yet the signal analyzer will not boot up properly, or the display is not turning on, refer to Chapter 2, “Boot Up and Initialization Troubleshooting” in this service manual. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 345 If any portion of the boot process fails, Chapter 2 describes a step-by-step troubleshooting procedure to help isolate the root cause of the failure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 346: A7 Midplane Description

    If for some reason any of these cannot be remembered by the instrument there could be a problem with this memory and the A7 Midplane board assembly would need to be replaced. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 347 Other circuitry on the A7 Midplane include a circuit to phase lock the CPU clock to the analyzer's 10 MHz reference and a Complex Programmable Logic Device (CPLD) used as an Instrument Local Bus (ILB) buffer to A16 Reference Assembly connector at J21. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 348 A7 Midplane Assembly The L.O. Synthesizer, Front End Control Assembly, Analog IF, and Digital IF plug into the Motherboard. All other assemblies mentioned plug into the Midplane from the rear of the instrument. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 349: A7 Midplane Assembly Troubleshooting

    These DC voltages can be verified with a voltmeter. Continuity measurements can also be performed on each power supply if a shorted condition is suspect. Refer to the table below for measurement details. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 350 -15 Volt Analog supply -15 ± 1.0 390 Ω Fan Positive supply 8.5 to 13.5 VDC 490 Ω ~8.8 VDC @ 25C Analog Common TP14 Digital Common TP12 Power OK +3.9 ± 0.75 9.2 kΩ Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 351: 11 Front Panel/Motherboard Troubleshooting

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 11 Front Panel/Motherboard Troubleshooting What You Will Find in This Chapter The following information is found in this chapter: A8 Motherboard Description on page 352 A1 Front Panel Assembly on page 354...
  • Page 352: A8 Motherboard Description

    — Circuitry for fan speed control — 10 MHz Reference distribution Figure 11-1 Motherboard The Motherboard is a horizontally mounted, located near the bottom of the analyzer. The Motherboard has the following connector types: Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 353: A8 Motherboard Troubleshooting

    Option Slot B1, Fan #1 A14, L.O. Synthesizer Front Panel A15, Front End Control A8 Motherboard Troubleshooting There are no troubleshooting procedures for this assembly. If the Motherboard is suspect, it must be replaced. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 354: A1 Front Panel Assembly

    USB connectors and the keyboard microcontroller. A1A3 LCD The LCD used is a 10.6 inch WXGA TFT touchscreen display, which as a resolution of 1280 x 768. It has two backlights that are not individually replaceable. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 355: What You Will Find In This Chapter

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 12 Block Diagrams What You Will Find in This Chapter The following sections are found in this chapter: RF Lowband Path Block Diagram on page 357 RF Highband Path #1 Block Diagram on page 358...
  • Page 356: Block Diagrams

    Block Diagrams Block Diagrams Block Diagrams Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 357: Rf Lowband Path Block Diagram

    OPTION 503, 508, 513, 526 RF/ W N9010B EXA RF BLOCK DIAGRAM (Lowband Path - Input signals < 3.6 GHz) A15 FRONT END CONTROLLER J800 ATTENUATOR CONTROL J700 LOW BAND SWITCH CONTROL (Option MPB) (Option MPB) J801 PRESELECTOR BYPASS CONTROL...
  • Page 358: Rf Highband Path #1 Block Diagram

    OPTION 508, 513, 526 W N9010B EXA RF BLOCK DIAGRAM (Highband Path #1 - Input signals 3.6 GHz to 13.6 GHz) A15 FRONT END CONTROLLER J800 ATTENUATOR CONTROL J700 LOW BAND SWITCH CONTROL (Option MPB) (Option MPB) J801 PRESELECTOR BYPASS CONTROL...
  • Page 359: Rf Highband Path #2 Block Diagram

    OPTION 526 W N9010B EXA RF BLOCK DIAGRAM (Highband Path #2 - Input signals 13.6 GHz to 26.5 GHz) A15 FRONT END CONTROLLER J800 ATTENUATOR CONTROL J700 LOW BAND SWITCH CONTROL (Option MPB) (Option MPB) J801 PRESELECTOR BYPASS CONTROL 6 dB...
  • Page 360: Option 532, 544 Mmw Rf (Low Freq) Block Diagram

    OPTION 532, 544 mmW N9010B EXA RF BLOCK DIAGRAM (Lowband Path - Input signals < 3.6 GHz) A15 FRONT END CONTROLLER J800 SWITCH 4 ATTENUATOR CONTROL (Option MPB) J801 PRESELCTOR BYPASS CONTROL J700 LOW BAND SWITCH CONTROL J300 J302 PRESELECTOR DRIVER CONTROL...
  • Page 361: Option 532, 544 Mmw Rf (Highband Path #1) Block Diagram

    OPTION 532, 544 mmW N9010B EXA RF BLOCK DIAGRAM (Highband Path #1 - Input signals 3.6 to 17.1 GHz) A15 FRONT END CONTROLLER SWITCH 4 J800 ATTENUATOR CONTROL (Option MPB) J801 PRESELCTOR BYPASS CONTROL J700 LOW BAND SWITCH CONTROL J300...
  • Page 362: Option 532, 544 Mmw Rf (Highband Path #2) Block Diagram

    OPTION 532, 544 mmW N9010B EXA RF BLOCK DIAGRAM (Highband Path #2 - Input signals 17.1 to 34.5 GHz) A15 FRONT END CONTROLLER SWITCH 4 J800 ATTENUATOR CONTROL (Option MPB) J801 PRESELCTOR BYPASS CONTROL J700 LOW BAND SWITCH CONTROL J300...
  • Page 363: Option 532, 544 Mmw Rf (Highband Path #3) Block Diagram

    OPTION 544 mmW N9010B EXA RF BLOCK DIAGRAM (Highband Path #3 - Input signals 34.5 to 44 GHz) A15 FRONT END CONTROLLER SWITCH 4 J800 ATTENUATOR CONTROL (Option MPB) J801 PRESELCTOR BYPASS CONTROL J700 LOW BAND SWITCH CONTROL J300 J302...
  • Page 364: Reference And Synthesizer Block Diagram

    REFERENCE and SYNTHESIZER N9010B EXA BLOCK DIAGRAM To A13J1 A16 REFERENCE A14 LO SYNTHESIZER A16A1 REFERENCE DAUGHTER 571 MHz to 4.8 GHz Serial Bus 1154 MHz 2nd LO FPGA FRAC-N (from A8) Symv/Int_Swp J702 4800 MHz CONTROLLER 2nd LO CONTROLLER...
  • Page 365: 25 Mhz Bandwidth I.f. System Block Diagram

    25 MHz BW IF SYSTEM N9010B EXA BLOCK DIAGRAM A3 DIGITAL IF 10 MHz 10 MHz OUT From (BNC) A16J710 From A13J7 From A15J900 Capture IF 10 MHz REF Memory 10 MHz LVDS NOISE SOURCE To A3 DRIVE +28V Noise...
  • Page 366: 40 Mhz Bandwidth I.f. System Block Diagram

    40 MHz BW IF SYSTEM N9010B EXA BLOCK DIAGRAM ECAL IN From A15J926 A3 DIGITAL IF STEP ALIGN OUT WB_ALIGN_DATA N.C. From A15J901 40 MHz BW ST GT PECL -> ECL FELDSPAR_CLK 250 MHz CF FELDSPAR Noise Source ADC2 ADC2...
  • Page 367: Exa Computer Block Diagram

    Block Diagrams Block Diagrams EXA Computer Block Diagram Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 368 Block Diagrams Block Diagrams Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 369: 13 Service And Diagnostics Menus

    System Settings Diagnostic menu and Spectrum Analyzer mode Measure Setup menu. The Service capabilities are intended for field service technicians. These technicians may be at a Keysight Service Center or at a self-maintaining customer site. There are two types of Service capabilities: 1.
  • Page 370: Controlling Access

    2. “Secure service access” to the Service menu. This prevents the casual user from accessing and using these features. It is intended to provide this access to Keysight Service Centers or any customer who purchases the Service Guide. The “Service Functions” type of Service capability is defined above.
  • Page 371: Secure Service Access

    At this point you will see the window shown in Figure 13-1. Enter the Service Code and press Login. The Service Code is: -2061 Figure 13-1 Service Code Entry Figure 13-2 Secure Service Menus (Accessed via System->Service) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 372 Service and Diagnostics Menus Overview Figure 13-3 Lock and LO (Accessed via Spectrum Analyzer Mode -> Meas Setup -> Lock and LO) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 373 Service and Diagnostics Menus Overview Figure 13-4 Diagnostics (Hardware Statistics) (Accessed via System -> Diagnostics) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 374 Service and Diagnostics Menus Overview Figure 13-5 Service Diagnostics (Corrections Menu) (Accessed via Spectrum Analyzer Mode -> Meas Setup -> Service Diagnostics) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 375: Service Key Descriptions

    The adjustment is performed by changing the DAC setting controlling the reference. Once the reference is adjusted to the proper frequency, the DAC value can be saved in non-volatile memory by pressing the Save menu key. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 376: Alignments

    The Advisory Event “Alignment complete” is displayed when the alignment is complete. Align LO can be interrupted by pressing the Cancel (ESC) front-panel key. When this occurs, no new LO alignment data will be employed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 377 The Advisory Event “Alignment complete” is displayed when the alignment is complete. Align IF can be interrupted by pressing the Cancel (ESC) front-panel key. When this occurs, no new IF alignment data will be employed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 378 The instrument will stop any measurement currently underway, perform the alignment, and then restart the measurement from the beginning (similar to pressing the Restart key). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 379 Service and Diagnostics Menus Service Key Descriptions Show Software The Show Software screen displays revision information for Keysight internal software that comprises the embedded application and programmable hardware devices (FPGAs and PLDs). Figure 13-6 Show Software Screen Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 380: Corrections

    OFF” will be cleared. The example spectrum below shows the effect of turning off RF Flatness Video. The yellow trace shows RF Flatness Video shift on, and the Blue trace shows RF Flatness Video shift off. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 381 (Use IF Flatness ON/OFF to control the IQ alignment.) When Snapshot Alignments are OFF, the Advisory Event “Snapshot OFF” will be displayed. When Snapshot Alignments are ON, the Advisory Event “Snapshot OFF” will be cleared. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 382: Band Lock

    Locks the analyzer to Band 1. Locks the analyzer to Band 2. Locks the analyzer to Band 3. Locks the analyzer to Band 4. Locks the analyzer to Band 5. Locks the analyzer to Band 6. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 383: Lo Band Lock

    Locks the analyzer to LO Band 0. Band 1 Locks the analyzer to LO Band 1. Band 2 Locks the analyzer to LO Band 2. Band 3 Locks the analyzer to LO Band 3. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 384: Lo Control

    In External Mixing, this DAC controls the level of the 1st LO signal at the front panel EXT MIXER connector. External LO Turnoff Disconnects the 1st LO path which will minimize the effect of the 1st LO signal at the front panel EXT MIXER connector. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 385: Front Panel Key Test

    The screen will display a series of lines. For each blue line, trace along the line with your finger to draw a matching line. Lines that deviate significantly from the blue trace line (i.e beyond the gray lines) will be marked in red. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 386 Service and Diagnostics Menus Front Panel Key Test Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 387: 14 Replaceable Parts

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 14 Replaceable Parts What You Will Find in This Chapter 1. Part number tables for assemblies, mechanical parts, cables, front panel connectors, and labels. 2. Part location diagrams for the following: Figure 14-1, “Major Assemblies,”...
  • Page 388 Figure 14-26, “AIF/DIF Assemblies - Option DP2, MPB, B40,” Figure 14-27, “Chassis,” Figure 14-28, “Motherboard,” Figure 14-29, “Fan Hardware,” Figure 14-30, “Input Connector,” Figure 14-31, “Front Frame Parts,” Figure 14-32, “Front Frame Exploded View,” Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 389: How To Order Parts

    — Description of where the part is located, what it looks like, and its function (if known) — Quantity required For a list of Keysight Technologies sales and service office locations, refer to “Contacting Keysight Technologies” on page Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 390: Replaceable Parts

    Overlay, left for CXA TG Output N9020-80166 Overlay, BBIQ Bottom N9020-80163 Overlay, BBIQ top A1A2 Front Panel Control Board N9020-63294 A1A3 Liquid Crystal Display 10.6-in w/PCAP Touch 1280X768-Pixels 2090-1103 A1A4 Keyboard, PCA N9020-63275 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 391 Analog I.F. Assembly N9020-60011 Digital I.F. Assembly Standard Instruments N9020-60119 Options B40, MPB, or DP2 N9020-60016 A3W1 Cable Assembly, Smart Noise Source (Wire Harness) Standard Instruments E4410-60163 Options B40, MPB, or DP2 N9020-60090 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 392 0 to 66 dB (Option 503, 507, 513, 526) 33321-60085 0 to 60 dB (Option 532, 544) 33325-60020 Low Band Switch Assembly Option 503 E4410-60121 Option 507, 513, 526 E4410-60121 Option 532, 544 N9020-60051 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 393 2.4 mm (m) Input Connector Assembly (Option 532, 544) N9030-60011 EMI O-Ring 18.75 mm ID 8160-1637 (used between RF Input Connector and Front Frame) EXT MIXER Connector (discard washer and nut, if supplied) 1250-1666 (Option EXM) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 394 MP39 O-ring, Type N (f) RF Input Connector 8160-1637 MP40 PC Board Plastic Guides (10 pieces) W1312-40001 MP41-44 Front Bumpers (Option PRC, Portable Configuration) N9020-40016 MP45-48 Rear Bumpers (Option PRC, Portable Configuration) N9020-40015 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 395 MP82 Shield, Magnetic, Attenuator B (Opt 532, 544) N9020-00044 MP83 Gusset, Chassis (near RF Input connector) W1312-00093 MP84 Bracket, Reference Support E4410-00108 SW1 & 2 Coaxial Switch N1810-60069 (Options B40, MPB, or DP2) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 396 N9010-20002 Cable Assembly, A16J710 to A3J14 (Flexible Coax) 8121-1401 Cable Assembly, A2J601 to A3J15 (Flexible Coax) 8121-1411 Cable Assembly, A16J711 to A2J300 (Flexible Coax) 8121-1401 Cable Assembly, A13J7 to A2J100 (Flexible Coax) 8121-1400 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 397 Cable Assembly, A15J900 to A2J100 (Flexible Coax) 8121-1401 Cable Assembly, A15J901 to A3J15 (Flexible Coax) 8121-1861 Cable Assembly, A15J1100 to Rear Panel Port 9 (Flexible Coax) 8121-2028 Cable Assembly,A13J6 to A3J17 (Flexible Coax) 8121-1940 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 398 Reserved Cable Assembly, A16J726 to A3J17 (Flexible Coax) 8121-1401 a. Included, but not required for use on N9010B. b. Does not include nameplate. See A1MP3 through A1MP6. c. Disk drive removable through rear panel. d. The E4410-60121 is the preferred replacement for the N9020-60255 Low Band Switch that may be installed in some N9010Bs with Option 503.
  • Page 399 Torx T-10 9 inch-lbs (6 mm long) Digital IF LVDS Connector 0515-4439 M2.5 X 6.0 Small Pozi 5 inch-lbs Display Display Bracket 0515-0372 M3 X 0.5 Torx T-10 9 inch-lbs (8 mm long) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 400 Front Panel Interface Front Frame 0515-1521 M3 X 0.5 Torx T-10 9 inch lbs. (5 mm long) Low Band Switch Assy. Chassis 0515-0372 M3 X 0.5 Torx T-10 9 inch-lbs (8 mm long) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 401 (20 mm long) SW2 Bracket 0515-1992 M2.5 X 0.45 Torx T-8 6 inch-lbs (20 mm long) SW2 Bracket Low Band Switch 0515-0372 M3 X 0.5 Torx T-10 9 inch-lbs Bracket (8 mm long) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 402 (6 mm long) Top Brace Chassis Components 0515-0372 M3 X 0.5 Torx T-10 9 inch-lbs (8 mm long) YTF Preselector Chassis 0515-0372 M3 X 0.5 Torx T-10 9 inch-lbs (except (8 mm long) Option 503) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 403: Hardware

    A3 Digital I.F. Assembly CPU (w/o disk drive) A6 Power Supply 0950-5012 A16 Reference Assembly N9020-60200 A14 L.O. Synthesizer Assembly N9020-60118 A15 Front End Control Assembly Refer to Table 14-1 A7 Midplane Assembly N9020-63120 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 404 Keysight Part Number 1, 2 MP21-22 Strap Handles (Benchtop N9020-60252 Configuration) (includes screws) Screw M4 X 0.7 (25 mm long) 0515-1619 MP17-20 Rear Feet (Benchtop Configuration) 5041-7903 MP16 Dress Cover (includes magnetic gasket) N9020-00068 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 405 Screw M4 X 0.7 (14 mm long) 0515-0435 MP41-44 Front Bumpers (Option PRC, Portable N9020-40016 Configuration) MP61-64 Strap Handle Plugs (Option PRC, Portable N9020-40014 Configuration) Screw M5 X 0.8 (14 mm long) 0515-5209 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 406 External Hardware (Option PRC) Table 14-6 Item Description Keysight Part Number Screw M4 X 0.7 (25 mm long) 0515-1619 MP45-48 Rear Bumpers (Option PRC, Portable N9020-40015 Configuration) (includes screws) MP16 Dress Cover (includes magnetic gasket) N9020-00068 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 407 Instruments with PC9 CPUs W1312-60686 A4BT1 CPU Board Battery (CR2032) 1420-0356 A4A1 Disk Drive Interconnect Board Instruments with PC7 CPUs W1312-63079 Instruments with PC7S or PC9 CPUs W1312-63377 Screw M3 x 0.5 (8 mm long) 0515-0372 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 408 (For rev 6 and earlier of drive tray. For rev 7 and later, use 0515-1035 M3 (8 mm Flat-HD)) Screw M2.5 x 0.45 (5 mm long) 0515-2219 Screw M3 x 0.5 (6 mm long) 0515-1946 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 409 Keysight Part Number MP7 Top Brace (includes foam strips) N9020-60018 Screw M3 X 0.5 (8 mm long) 0515-0372 Screw M3 X 0.5 (6 mm long) 0515-1946 Screw M3 X 0.5 (8 mm long) 0515-0372 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 410 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20141 Cable Assembly, A9 Output to A10 Input (semi-rigid) N9020-20142 Cable Assembly, A11J4 to A15J700 (Ribbon Cable) E4410-60160 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 (semi-rigid) N9020-20065 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 411 Cable Assembly, A10 Output to A11J1 (semi-rigid) N9010-20004 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20133 Cable Assembly, A9 Output to A10 Input (semi-rigid) N9010-20002 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 (semi-rigid) N9010-20010 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 412 Cable Assembly, A11J4 to A15J700 (Ribbon Cable) E4410-60160 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 (semi-rigid) N9020-20065 Cable Assembly, SW2 Port 2 to A12J2 (Semi-rigid) E4410-20163 Cable Assembly, SW1 Port 2 to A12J1 (Semi-rigid) E4410-20165 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 413 Cable Assembly, SW2 Port 2 to A12J2 (Semi-rigid) E4410-20163 Cable Assembly, SW1 Port 2 to A12J1 (Semi-rigid) E4410-20165 Cable Assembly, SW1 Center Port to A13J9 (Semi-rigid) E4410-20164 Cable Assembly, AT1 to SW1 Port 1 (Semi-rigid) N9020-20210 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 414 Cable Assembly, A10 Output to A11J1 (semi-rigid) N9010-20004 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20133 Cable Assembly, A9 Output to A10 Input (semi-rigid) N9010-20002 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 (semi-rigid) N9010-20010 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 415 Option MPB Cable Assembly, SW4 Port 3 to A12 Output (semi-rigid) Option 532, N9020-20129 544 with Option MPB Cable Assembly, SW4 Port 4 to A12 Input (semi-rigid) Option 532, N9020-20128 544 with Option MPB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 416 Option MPB Cable Assembly, SW4 Port 3 to A12 Output (semi-rigid) Option 532, N9020-20129 544 with Option MPB Cable Assembly, SW4 Port 4 to A12 Input (semi-rigid) Option 532, N9020-20128 544 with Option MPB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 417 J1 Type-N (f) RF Input Connector Assembly (Option 503, 507, 513, 5002-0702 526) A11 Low Band Switch Assembly E4410-60121 Cable Assembly, A11J2 to A13J2 (semi-rigid) N9020-20101 Cable Assembly, A14J740 to A13J4 (semi-rigid) N9020-20156 Cable Assembly, A16J702 to A13J1 (semi-rigid) N9020-20064 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 418 N9020-20123 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20141 Cable Assembly, A13J7 to A2J100 (Flexible Coax) 8121-1400 Cable Assembly, A13J12 to A15J102 (Ribbon Cable) E4410-60156 Cable Assembly, A13J6 to A16J705 (Flexible Coax) 8121-1400 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 419 A11 Low Band Switch Assembly N9020-60051 Cable Assembly, A11J2 to A13J2 (semi-rigid) N9020-20131 Cable Assembly, A14J740 to A13J4 (semi-rigid) N9020-20156 Cable Assembly, A16J702 to A13J1 (semi-rigid) N9020-20064 Cable Assembly, A12 Output to A13J9 (semi-rigid) N9010-20006 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 420 N9010-20005 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20133 Cable Assembly, A13J7 to A2J100 (Flexible Coax) 8121-1400 Cable Assembly, A13J12 to A15J102 (Ribbon Cable) E4410-60156 Cable Assembly, A13J6 to A16J705 (Flexible Coax) 8121-1400 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 421 J1 Type-N (f) RF Input Connector Assembly (Option 503, 507, 513, 526) 5002-0702 Cable Assembly, A11J2 to A13J2 (semi-rigid) N9020-20101 Cable Assembly, A14J740 to A13J4 (semi-rigid) N9020-20156 Cable Assembly, A16J702 to A13J1 (semi-rigid) N9020-20064 Cable Assembly, J1 to A9 Input (semi-rigid) N9020-20141 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 422 Cable Assembly, SW2 Port 2 to A12J2 (Semi-rigid) E4410-20163 Cable Assembly, SW1 Port 2 to A12J1 (Semi-rigid) E4410-20165 Cable Assembly, SW1 Center Port to A13J9 (Semi-rigid) E4410-20164 Cable Assembly, A15J902 to A13J7 (Flexible Coax) 8121-1862 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 423 Cable Assembly, A9 & A10 to A15J800 (Ribbon Cable) E4410-60157 Cable Assembly, A13J12 to A15J102 (Ribbon Cable) E4410-60156 Cable Assembly, A11J4 to A15J700 (Ribbon Cable) Refer to Table 14-1 Cable Assembly, A15J300 to A12J1 (Wire Harness) N9020-60059 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 424 Cable Assembly, A15J902 to A13J7 (Flexible Coax) 8121-1862 Cable Assembly, A15J900 to A2J100 (Flexible Coax) 8121-1401 Cable Assembly, A15J901 to A3J15 (Flexible Coax) 8121-1861 Cable Assembly, A15J1100 to Rear Panel Port 9 8121-2028 (Flexible Coax) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 425 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 Refer to Table 14-1 (semi-rigid) Cable Assembly, A13J6 to A16J705 (Flexible Coax) 8121-1400 Cable Assembly, Ext. Reference Cable (rear frame) to A16J704 8121-1402 (Flexible Coax) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 426 Cable Assembly, A16J701 to A9 Cal Signal Input/Port 2 Refer to Table 14-1 (semi-rigid) Cable Assembly, A13J6 to A16J705 (Flexible Coax) 8121-1400 Cable Assembly, Ext. Reference Cable (rear frame) to A16J704 8121-1402 (Flexible Coax) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 427 Replaceable Parts Hardware Figure 14-21 AIF/DIF Cables - Standard Instruments Figure 14-22 AIF/DIF Cables, bottom - Standard Instruments Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 428 N9020-60090 Cable Assembly, A16J710 to A3J14 (Flexible Coax) 8121-1401 Cable Assembly, A2J601 to A3J15 (Flexible Coax) 8121-1411 Cable Assembly, A16J711 to A2J300 (Flexible Coax) 8121-1401 Cable Assembly, A13J7 to A2J100 (Flexible Coax) 8121-1400 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 429 Replaceable Parts Hardware Figure 14-23 AIF/DIF Cables - Options MPB, B40, or DP2 Figure 14-24 AIF/DIF Cables, bottom - Options MPB, B40, or DP2 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 430 Cable Assembly, A15J901 to A3J15 (Flexible Coax) 8121-1861 Cable Assembly,A13J6 to A3J17 (Flexible Coax) 8121-1940 Cable Assembly, A2J601 to A3J19 (Flexible Coax) 8120-8868 Cable Assembly, A16J706 to A3J14 (Flexible Coax) 8121-1401 Cable Assembly, A16J726 to A3J17 (Flexible Coax) 8121-1401 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 431 A2 Analog I.F. Assembly N9020-60011 A3 Digital I.F. Assembly N9020-60119 Screw, M3 X 0.5 (8 mm long) 0515-0372 Cable, Interconnect from A2J820 to A3J20 N9020-60046 A3W1 Cable Assembly, Smart Noise Source (Wire Harness) E4410-60163 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 432 A2 Analog I.F. Assembly N9020-60011 A3 Digital I.F. Assembly N9020-60016 Screw, M3 X 0.5 (8 mm long) 0515-0372 Cable, Interconnect from A2J820 to A3J20 N9020-60046 A3W1 Cable Assembly, Smart Noise Source (Wire Harness) N9020-60090 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 433 Fan Bracket W1312-00137 Chassis Side, Right (Outer, attaches to Low Band Switch bracket, N9020-00034 Attenuator brackets, and Chassis bottom) Rear Panel Replacement Kit (includes foam strip) N9020-60298 MP36-37 Attenuator Bracket Refer to Table 14-1 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 434 Replaceable Parts Hardware Figure 14-28 Motherboard Table 14-28 Item Description Keysight Part Number A8 Motherboard Assembly N9000-66404 Screw M3 X0.5 (8 mm long) 0515-0372 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 435 Replaceable Parts Hardware Figure 14-29 Fan Hardware Table 14-29 Item Description Keysight Part Number 3160-4199 3160-4199 MP25-26 Fan Guard 3160-0281 MP27-34 Rivet, Fan Mounting (8 pieces) 0361-1272 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 436 Screw M3 X 0.5 (8 mm long) 0515-0372 Cable Assembly, J1 to A9 Input (semi-rigid) Option 503, 507, 513, 526 N9020-20141 Option 532, 544 N9020-20133 MP83 Gusset, Chassis (near RF Input connector) W1312-00093 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 437 A1MP10 Bracket front panel shield N9020-00064 A1A2 Front Panel Control Board N9020-63294 A1MP11 Display Bracket, Front Panel N9020-00078 A1W1 Flex Circuit, Display to Front Panel Control Board N9020-60273 A1W2 Cable Assembly, Backlight N9020-60217 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 438 Replaceable Parts Hardware Figure 14-32 Front Frame Exploded View Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 439 A1W1 Flex Circuit, Display to Front Panel Control Board N9020-60273 A1W2 Cable Assembly, Backlight N9020-60217 A1MP14 Shield N9020-00066 W1 Cable, Front Panel Interface Board to Motherboard N9020-60216 (Ribbon) a. Non-orderable item, see A1A1. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 440 Replaceable Parts Hardware Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 441: 15 Assembly Replacement Procedures

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 15 Assembly Replacement Procedures What You Will Find in This Chapter Procedures in this chapter enable you to locate, remove, and replace the following major assemblies in your instrument. Refer to Chapter 14, “Replaceable Parts.”...
  • Page 442: Before Starting

    Failure to heed the safety precautions can result in severe or fatal injury. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 443: Tools You Will Need

    Adjustments Tests after an instrument repair Refer to Table 16-1 on page 547 for information about post-repair procedures. If one or more instrument assemblies have been repaired or replaced, perform the related adjustments and performance verification tests. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 444: Major Assembly Locations

    Major Assemblies Table 15-2 Item Description A2 Analog I.F. Assembly/A3 Digital I.F. Assembly A4 CPU Assembly A6 Power Supply A16 Reference Assembly A14 L.O. Synthesizer Assembly A15 Front End Control Assembly A7 Midplane Assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 445: Instrument Outer Case

    3. Using the T-20 driver, remove the four screws (including washers) (3) (two on each side) that hold the rear feet (4) (two on each side) in place. 4. Pull the instrument cover (5) off towards the rear of the instrument. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 446 3. Replace the four rear feet to the rear of the instrument (two on each side). Torque the rear feet screws to 21 inch pounds. 4. Replace the handle straps on both sides of the instrument. Torque the handle strap screws to 21 inch pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 447: Option Prc

    (1) that hold the bail handle (2) to the front frame. Figure 15-4 Bail Handle Removal 2. Using the T-20 driver, remove the four screws (two on each side) (6) that hold the strap handle plugs (5) in place. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 448 (1) that hold the rear bumpers (2) (two on each side) in place. Figure 15-5 Option PRC Instrument Outer Case Removal 4. Pull the instrument cover (3) off towards the rear of the instrument. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 449 (two on each side) (1) that hold the bail handle (2) to the front frame. Torque to 21 inch pounds. 5. Refer to Figure 15-5. Replace the four rear bumpers to the rear of the instrument. Torque to 21 inch pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 450: Top Brace

    Top Brace to the chassis and boards. Figure 15-6 Top Brace Removal Replacement 1. Refer to Figure 15-6. To replace the Top Brace place it into the correct position and attach the appropriate screws. Torque to 9 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 451: Rf Area (Option 503, 507, 513, 526)

    (5), coaxial switch #2 (6), and 6 dB fixed attenuator (7) (Figure 15-8). The YTF Preselector is not typically installed in instruments with Option 503. Figure 15-7 RF Area Components and Cables - Standard RF/Microwave Instruments Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 452 Assembly Replacement Procedures RF Area (Option 503, 507, 513, 526) Figure 15-8 RF Area Components and Cables - RF/Microwave Instruments with Options DP2, MPB, B40 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 453 3. Remove the front panel. Refer to the “Front Frame Assembly” removal procedure. 4. Refer to Figure 15-9. Remove the chassis side, right (1) by removing the thirteen screws (2) using the T-10 driver. Figure 15-9 RF Bracket Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 454: Low Band Switch - Standard Rf/Microwave Instruments

    W8 will not be present in instruments with Option 503. 3. Remove the two screws (2) using the T-10 driver. The low band switch (1) can now be removed from the chassis. Figure 15-10 Low Band Switch Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 455 RF Area (Option 503, 507, 513, 526) 4. Refer to Figure 15-11. To separate the switch from the bracket, remove the four screws (3) using the T-10 driver. Figure 15-11 Low Band Switch and Bracket Separation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 456 6. Replace the front panel. Refer to the “Front Frame Assembly” replacement procedure. 7. Replace the top brace. Refer to the “Top Brace” replacement procedure. 8. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 457: Low Band Switch And Coaxial Switches - Rf/Microwave Instruments With Options Dp2, Mpb, B40

    Low Band Switch and Coaxial Switches - RF/Microwave Instruments with Options DP2, MPB, B40 Removal 1. Refer to Figure 15-12. Remove semi-rigid coax cables W32 and W33. Figure 15-12 Remove W33 and W32 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 458 Assembly Replacement Procedures RF Area (Option 503, 507, 513, 526) 2. Refer to Figure 15-13. Remove semi-rigid coax cables W31 and W34. Figure 15-13 Remove W34 and W31 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 459 3. Refer to Figure 15-14. Remove semi-rigid coax cable W35 and the fixed attenuator (1). Figure 15-14 W35 and Attenuator Removal 4. Remove ribbon cable W18 from J4 of the A11 Low Band Switch. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 460 15-15. Disconnect the two wire harness connectors W30 from the switches (1). Even though the wire colors on W30 harness are different, it does not matter which one plugs into which switch. Figure 15-15 Wire Harness Disconnect Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 461 2/bracket assembly (1)/(2) from the low band switch bracket. To separate switch 2 (1) from it’s bracket (2), remove the two 0515-1992 screws (3) using the T-8 driver. Figure 15-16 Switch 2 Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 462 7. Refer to Figure 15-17. Using the T-8 driver, remove the two 0515-1992 screws (3) to separate the #1 switch/bracket assembly (1)/(2) from the low band switch bracket (4). Figure 15-17 Switch 1 Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 463 Figure 15-18 Removing Coax Cables 9. Refer to Figure 15-19. Using the T-10 driver, remove the two screws (1) to separate the low band switch/bracket from the chassis. Figure 15-19 Low Band Switch/Bracket Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 464 RF Area (Option 503, 507, 513, 526) 10.Refer to Figure 15-20. To separate the low band switch from the bracket, use the T-10 driver to remove the four screws (3). Figure 15-20 Low Band Switch and Bracket Separation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 465 15-21. Place the switch/bracket into place onto the chassis and replace the two screws. Torque to 9 inch-pounds starting with the screw closest to the front of the instrument. Figure 15-21 Bracket Installation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 466 4. Install W3 between J2 of the A13 Front End Assembly and J2 of the A11 Low Band Switch. Torque to 10 inch-pounds. 5. Install W10 between the Type N input connector and the input of the A9 Input Attenuator. Torque to 10 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 467 15-23. Place one of the two coaxial switches (1) and the Switch 1 Bracket (2) onto the low band switch bracket. Mount the switch with the Keysight label facing up. Attach the bracket and switch to the low band switch bracket using two 0515-1992 screws (3) using the T-8 driver.
  • Page 468 Figure 15-24. Place the second switch/bracket assembly (1)/(2) on the bracket previously installed. Assure Keysight label on switch is facing up. Attach the bracket and switch using two 0515-1992 screws (3) using the T-8 driver. Secure the bracket to the low band switch bracket with a single screw (4) using the T-10 driver.
  • Page 469 (1). Once connected, position the connections along side the switches. Even though the wire colors on W30 harness are different, it does not matter which one plugs into which switch. Figure 15-25 Wire Harness Routing Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 470 11.Attach the coaxial fixed attenuator (1) Switch 2 port 1. Torque to 10 inch-lbs. Figure 15-26 Attenuator Installation 12.Connect W35 semi-rigid coax cable between the coaxial fixed attenuator (1) and port 1 of Switch 1 (the lower switch). Torque to 10 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 471 14.Connect W31 semi-rigid coax cable between the center port of Switch 2 (the upper switch) and J3 of the A11 Low Band Switch. Torque to 10 inch-pounds. Figure 15-27 Install W34 and W31 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 472 A12 YTF Preselector. Torque the cable at the A12 end first to 10 inch-pounds and then torque the cable at the Switch 2 end to 10 inch-pounds. Figure 15-28 Install W33 and W32 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 473: Attenuators - Rf/Microwave Instruments

    3. Remove the two screws (3) or (4) for each attenuator bracket to remove from the chassis using the T-10 driver. 4. Remove the two screws to separate the attenuator from the bracket. Figure 15-29 Attenuators Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 474 3. Position the attenuator and bracket into the chassis and attach with the two screws. Torque to 9 inch-pounds. 4. Replace the ribbon cable and semi-rigid cables W9, W10, W11 and W19 to the attenuator. Torque the semi-rigid cables to 10 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 475: Ytf Preselector - Rf/Microwave Instruments

    RF Area (Option 503, 507, 513, 526) YTF Preselector - RF/Microwave Instruments Removal 1. Refer to Figure 15-30. Remove cables W7 and W8 from the YTF Preselector (1). Figure 15-30 YTF Preselector Removal 2. Remove the wire harness W22. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 476 RF Area (Option 503, 507, 513, 526) 3. Refer to Figure 15-31. From the bottom of the instrument, remove the four screws (2). The YTF Preselector can now be removed from the chassis. Figure 15-31 YTF Preselector Screws Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 477 7. Replace the front panel. Refer to the “Front Frame Assembly” replacement procedure. 8. Replace the top brace. Refer to the “Top Brace” replacement procedure. 9. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 478: Rf Area (Option 532, 544)

    A (1), RF attenuator B (2), low band switch assembly (3), and YTF Preselector (4). Instruments with Options DP2, MPB, or B40 will also have coaxial switch (6), (Figure 15-34). Figure 15-33 RF Area Components and Cables - Option 532, 544 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 479 Assembly Replacement Procedures RF Area (Option 532, 544) Figure 15-34 RF Area Components and Cables - Option 532, 544 with Option DP2, MPB, Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 480 12.Remove the front panel. Refer to the Front Frame Assembly removal procedure. 13.Refer to Figure 15-35. Remove the chassis side, right (1) by removing the thirteen screws (2) using the T-10 driver. Figure 15-35 RF Bracket Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 481: Low Band Switch

    2. Remove the semi-rigid cables W3, W8, and W9 using the 5/16 inch wrench. 3. Remove the two screws (2) using the T-10 driver. The low band switch and bracket (1) can now be removed from the chassis. Figure 15-36 Low Band Switch Cable Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 482 Assembly Replacement Procedures RF Area (Option 532, 544) Figure 15-37 Low Band Switch Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 483 RF Area (Option 532, 544) 4. Refer to Figure 15-38. To separate the switch from the bracket, remove the five screws (3) using the T-10 driver. Figure 15-38 Low Band Switch and Bracket Separation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 484 6. Replace the front panel. Refer to the Front Frame Assembly replacement procedure. 7. Replace the top brace. Refer to the Top Brace replacement procedure. 8. Replace the instrument outer case. Refer to the Instrument Outer Case replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 485: Low Band Switch And Coaxial Switch

    RF Area (Option 532, 544) Low Band Switch and Coaxial Switch Options DP2, MPB, B40 Removal 1. Refer to Figure 15-39. Remove semi-rigid coax cables W3, W45, W46, W47, and W48. Figure 15-39 Remove Semi-Rigid Cables Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 486 3. Remove the two screws (1) that attach the bracket to the chassis. The bracket/switch (2) can now be removed. 4. Refer to Figure 15-41. Remove the three screws (1) to separate the switch from the bracket assembly. Figure 15-41 Switch / Bracket Separation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 487 Torque to 9 inch-pounds. 3. Plug in the ribbon cable into the A15 Front End Control assembly. 4. Refer to Figure 15-39. Install W3, W45, W46, W47, and W48. Torque to 10 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 488: Attenuators

    3. Remove the two screws (3) or (4) for each attenuator bracket to remove from the chassis using the T-10 driver. 4. Remove the two screws to separate the attenuator from the bracket. Figure 15-42 Attenuators Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 489 3. Position the attenuator and bracket into the chassis and attach with the two screws. Torque to 9 inch-pounds. 4. Replace the ribbon cable and semi-rigid cables W9, W10, W11 and W19 to the attenuator. Torque the semi-rigid cables to 10 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 490: Ytf Preselector

    1. Refer to Figure 15-43. Remove cables W7 and W8 (or W47 and W48 if Option MPB is installed) from the YTF Preselector (1). Figure 15-43 YTF Preselector Removal 2. Remove the wire harness W22. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 491 RF Area (Option 532, 544) 3. Refer to Figure 15-44. From the bottom of the instrument, remove the four screws (2). The YTF Preselector can now be removed from the chassis. Figure 15-44 YTF Preselector Screws Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 492 6. Replace the front panel. Refer to the Front Frame Assembly replacement procedure. 7. Replace the top brace. Refer to the Top Brace replacement procedure. 8. Replace the instrument outer case. Refer to the Instrument Outer Case replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 493: Rf Front End Assembly (Option 503, 507, 513, 526)

    5. Remove the ribbon cable W17 from the RF Front End Assembly. 6. Remove the four screws (2) using the T-10 driver. The RF Front End Assembly can now be removed from the chassis. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 494: Replacement

    4. Replace the front panel. Refer to the “Front Frame Assembly” replacement procedure. 5. Replace the instrument top brace. Refer to the “Top Brace” replacement procedure. 6. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 495: Rf Front End Assembly (Options 532, 544)

    5. Remove the ribbon cable W17 from the RF Front End Assembly. 6. Remove the four screws (2) using the T-10 driver. The RF Front End Assembly can now be removed from the chassis. Figure 15-47 RF Front End Assembly (Option 532, 544) Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 496: Replacement

    4. Replace the front panel. Refer to the Front Frame Assembly replacement procedure. 5. Replace the instrument top brace. Refer to the Top Brace replacement procedure. 6. Replace the instrument outer case. Refer to the Instrument Outer Case replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 497: Front End Control Assembly

    Figure 15-49. 4. The Front End Control assembly can now be unplugged from the motherboard by leveraging up on the ejector and lifting the board up on the other side. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 498 Assembly Replacement Procedures Front End Control Assembly Figure 15-48 Front End Control Assembly Removal Figure 15-49 Enhanced Front End Control Assembly Cables Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 499: Replacement

    W22 will not be present in instruments with Option 503. 3. Replace the instrument top brace. Refer to the “Top Brace” replacement procedure. 4. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 500: L.o. Synthesizer Assembly

    2. Reattach the cables W4 and W6 to the L.O. Synthesizer assembly (1). Torque to 10 inch-pounds. 3. Replace the instrument top brace. Refer to the “Top Brace” replacement procedure. 4. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 501: Rear Panel

    15-51. Place the rear panel (1) into position in the chassis. Replace the twenty screws (2) to attach the rear panel to the chassis. Torque to 9 inch-pounds. 3. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 502: Reference Assembly

    15-52. Remove cables W5, W6, W12, W14, W19, W20, and W23 from the reference assembly (1). Use the 5/16 inch wrench where necessary. Figure 15-52 Reference Board Cables - without Option B40, MPB, or DP2 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 503 Remove cables W5, W6, W14, W19, W20, W42, and W50 from the reference assembly (1). Use the 5/16 inch wrench where necessary. Figure 15-53 Reference Board Cables - with Option B40, MPB, or DP2 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 504: Replacement

    4. Replace the rear panel. Refer to the “Rear Panel” replacement procedure. 5. Replace the top brace. Refer to the “Top Brace” replacement procedure. 6. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 505: Power Supply Assembly

    15-55. Remove the three screws (1) attaching the power supply (2) to the power supply bracket (3). 7. The power supply assembly can be removed from the chassis by pulling straight out the back. Figure 15-55 Power Supply Assembly Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 506: Replacement

    5. Replace the top brace and reference bracket. Refer to the “Top Brace” replacement procedure. 6. Replace the rear panel. Refer to the “Rear Panel” replacement procedure. 7. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 507: Cpu Assembly

    2. The CPU assembly can be removed from the chassis by pulling straight out the back. Use the two ejectors to pull the CPU assembly out from the chassis. If the A4BT1 CPU board battery was changed, refer to Chapter 16, “Post-Repair Procedures.” for setup instructions. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 508: Replacement

    Secure the board with the ejectors. 2. Refer to Figure 15-57. Replace the six screws (1) that attach the CPU assembly to the chassis. Torque to 9 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 509: A5 Solid State Drive

    To remove the SSD or the memory card, it is not necessary to remove the CPU assembly from the chassis. Disk Drive Removal 1. Refer to Figure 15-58. Loosen the thumb screw (2) and pull the SSD (1) out of the CPU assembly. Figure 15-58 SSD Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 510 15-58. Slide the SSD into the CPU assembly and push to mate the connector. Secure the thumb screw to 9 inch-pounds. Refer to Chapter 16, “Post-Repair Procedures.” and perform all of the specified tasks for replacing the A5 Disk Drive assembly. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 511: A4A1 Cpu Memory Card

    19 flat-head screws (2) and 3 pan-head screws (3). The 19 flat-head screws need to be discarded and replaced since they are precoated with a thread locking compound and new screws will need to be used when the cover is re-installed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 512 (5) to the A4 CPU assembly. 5. Unplug and remove the A4A1 Disk Drive Interconnect board from the A4 CPU assembly by carefully sliding the board out towards the disk drive bay opening (6). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 513 4. Re-install the A4 CPU assembly into the instrument. Refer to the CPU Assembly installation procedure. 5. Re-install the A5 Disk Drive assembly into the instrument. Refer to the Disk Drive installation procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 514: Analog I.f. (Aif)/Digital I.f. (Dif) Assembly

    3. Refer to Figure 15-62 Figure 15-63. Depending on the installed options, remove the appropriate cables from the bottom of the DIF assembly. Figure 15-62 W12, W13 Removal - Standard Instruments Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 515 Assembly Replacement Procedures Analog I.F. (AIF)/Digital I.F. (DIF) Assembly Figure 15-63 W38, W40, W41, W42 Removal - Option B40, MPB, or DP2 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 516 Remove cables W13 or W41, W14, and W15 or W37 from the AIF assembly. 5. The AIF/DIF assembly can be removed from the chassis by pulling straight out the back. Figure 15-64 AIF/DIF Assembly Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 517: Separate Aif/Dif Assembly

    1. Set the DIF in position over the AIF. Reinstall the three screws removed before. Torque to 9 inch-pounds, starting with the middle screw. 2. To reconnect the AIF and the DIF, reconnect the ribbon cable W2. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 518: Replacement

    15-63. Replace the appropriate cables to the bottom of the DIF assembly. 4. Replace the rear panel. Refer to the “Rear Panel” replacement procedure. 5. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 519: Midplane Assembly

    6. Remove the power supply assembly. Refer to the “Power Supply Assembly” removal procedure. 7. Refer to Figure 15-66. Remove the power supply support bracket (1) by removing the two screws (2). Figure 15-66 Power Supply Bracket Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 520 15-67. Remove the six screws (2) attaching the midplane assembly (1) to the midplane bracket. The midplane assembly can now be pulled up from the chassis by leveraging up on the ejectors. Figure 15-67 Midplane Assembly Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 521: Replacement

    6. Replace the top brace and reference bracket. Refer to the “Top Brace” replacement procedure. 7. Replace the rear panel. Refer to the “Rear Panel” replacement procedure. 8. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 522: Motherboard Assembly

    13.Remove the fan assembly. Refer to the “Fan Assembly” removal procedure. 14.Refer to Figure 15-68 Figure 15-69. Remove the midplane bracket (1) by removing the eight screws (2) (two on each side and four on the bottom). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 523 Assembly Replacement Procedures Motherboard Assembly Figure 15-68 Midplane Bracket Removal Figure 15-69 Bottom Screws Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 524 Assembly Replacement Procedures Motherboard Assembly 15.Refer to Figure 15-70. Remove the left side chassis (same side as the fan) by removing the seven screws (four on the bottom). Figure 15-70 Chassis Side Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 525: Replacement

    (2). Torque to 9 inch-pounds. 4. Replace the fan assembly. Refer to the Fan Assemblyreplacement procedure. 5. Replace the RF bracket. Refer to Figure 15-9 on page 453. Torque the screws to 9 inch-pounds. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 526 14.Replace the top brace and reference bracket. Refer to the “Top Brace” replacement procedure. 15.Replace the rear panel. Refer to the “Rear Panel” replacement procedure. 16.Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 527: Fan Assembly

    15-72. Remove the eight screws (1) that attach the fan assembly to the chassis. Figure 15-72 Fan Assembly Removal 5. Unplug the fan wires from the motherboard. The fan assembly can now be lifted from the chassis. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 528 4. With the rivets center posts raised, snap the rivets into place through the fan grill and fan bracket and into the fan. Screw the center posts into place. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 529: Replacement

    3. Replace the Front Frame Assembly. Refer to the “Front Frame Assembly” replacement procedure. 4. Replace the top brace. Refer to the “Top Brace” replacement procedure. 5. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 530: Input Connector Assembly

    (2) to the chassis. The connector assembly can now be lifted from the chassis. 5. To remove the gusset (5) remove the three screws (4), one on the side of the chassis and two on the bottom. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 531: Replacement

    Torque to 9 inch-pounds. 4. Replace the Front Frame Assembly. Refer to the “Front Frame Assembly” replacement procedure. 5. Replace the instrument outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 532: Front Frame Assembly

    3. Refer to Figure 15-75. Using the T-10 driver, remove the eight screws (1), four on each side, to detach the Front Frame Assembly from the chassis. Figure 15-75 Front Frame Assembly Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 533: Replacement

    Torque to 9 inch pounds. 3. If Option EXM, External Mixing, is installed attach semi-rigid LO/IF cable. Torque to 10 inch-pounds. 4. Replace the outer case. Refer to the “Instrument Outer Case” replacement procedure. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 534: Bail Handle Removal (Option Prc)

    2. Using the T-20 driver, remove the two screws (3) on each front bumper (4) and remove from the front frame. 3. When replacing these parts, torque to 21 inch-pounds. Figure 15-77 Bail Handle and Front Bumpers Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 535: Front Frame Assembly Components

    A1MP14 Shield A1A1 Front Frame A1MP10 Bracket front panel shield A1A2 Front Panel Control Board A1MP11 Display Bracket, Front Panel A1W1 Flex Circuit, Display to Front Panel Control Board A1W2 Cable Assembly, Backlight Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 536 Assembly Replacement Procedures Front Frame Assembly Figure 15-79 Front Frame Exploded View Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 537 A1MP11 Display Bracket, Front Panel A1MP10 Bracket front panel shield A1W1 Flex Circuit, Display to Front Panel Control Board A1W2 Cable Assembly, Backlight A1MP14 Shield W1 Cable, Front Panel Interface Board to Motherboard (Ribbon) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 538 3. When replacing the front panel shield, torque all screws to 9 inch-pounds, When replacing ribbon cable W1 press firmly on each side to ensure the hooks catch on the boards mating connector. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 539 1. Refer to Figure 15-81. To remove the Front Panel Control Shield (1), remove the two screws (2) (0515-1946) and the two screws (3) (0515-0372). Figure 15-81 Front Panel Control Shield and Board Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 540 2. Refer to Figure 15-82. To remove the Front Panel Control board (1), remove the seven screws (2) (0515-0372). When replacing the board torque the screws to 9 inch-pounds. Figure 15-82 Front Panel Control Board Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 541: Display Assembly

    (3) (0515-1946). The display assembly (1) can now be lifted out of the front frame. When replacing the display assembly in the front frame, torque the screws to 9 inch-pounds. Figure 15-83 Display Removal Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 542 15-84. To separate the display and display holddown from the display bracket, remove the four screws (1) (0515-0365). When reassembling the display assembly, torque the screws to 2 inch-pounds. Figure 15-84 Display and Bracket Separation Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 543 To remove the keyboard (1), remove the eight screws (2) (0515-0430). When replacing the keyboard into the front frame, torque the screws to 9 inch-pounds. Replace the RPG knob by firmly pushing it onto the shaft. Figure 15-85 Keyboard Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 544 3. Remove the protective film from the new keypad (if replacing). Lay the keypad on the keyboard and pull up on the tabs from the back of the board to seat them in place. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 545: Post-Repair Procedures

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide Post-Repair Procedures What You Will Find in This Chapter This chapter provides information that will enable you to return an instrument to full operation following the replacement of any instrument assembly. This information includes a table that shows which adjustments and/or performance tests must be executed after replacing an assembly.
  • Page 546: Post-Repair Procedures

    The following procedures are also included in the “Additional Tasks” on page 550. — “Calibration Data Backup and Restore” — “BIOS Settings Verification” — “Operating System Initialization” — “FPGA Synchronization” — “Programming Model and Serial Numbers” Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 547 Frequency Response (All Tests) All Adjustments None Residual Responses Power Supply Displayed Average Noise Level Spurious Responses None Residual Responses Midplane board Displayed Average Noise Level None Residual Responses Motherboard Displayed Average Noise Level Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 548 FPGA Synchronization Front End Control Displayed Average Noise Level System YTF Alignment (Press Assembly Absolute Amplitude Accuracy Alignments Advanced Frequency Response (All Tests) Characterize Preselector Front End Controller Attenuator Adjustment (Option CR3 or CRP) Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 549 See Chapter 18, “Instrument Software” for instructions on updating the instrument software to the latest version. Some Adjustment tests may be found in the Utility portion of the Test Plan. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 550: Additional Tasks

    2. Connect a USB FLASH drive to one of the front panel USB port. 3. Press System, Alignments, Backup or Restore Align Data. 4. After the XSA application closes the Alignment Data Wizard window as shown in Figure 16-1 will appear. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 551 3. Using the mouse double-click on the Windows Explorer link on the desktop and navigate to the following folder: C:\Program Files\Agilent\SignalAnalysis\Physics 4. Double-click on BackupAndRestore.exe and the window shown in Figure 16-2 will appear. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 552 7. Select “Backup” and wait for the calibration database to be backed up. 8. When the backup has completed close the Calibration Data Backup And Restore window. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 553 Backup or Restore Align Data... The Alignment Data Wizard window as shown in Figure 16-1 will appear. 4. Follow the on-screen instruction to restore the previously saved calibration data from the USB FLASH drive. 5. Cycle instrument power. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 554 1. Connect an external USB keyboard to one of the front panel USB ports. 2. Turn on instrument power. 3. Confirm Keysight Technologies splash screen comes up within a few seconds. 4. Press the key on the keyboard specified on the initial boot screen to enter the setup utility.
  • Page 555 Initialization 1. With the new disk drive installed power the instrument on. 2. Within a few seconds you will see the initial Keysight Technologies splash screen, and then the boot selection menu as seen in Figure 16-3.
  • Page 556 If the initialization process would like to be postponed select “Do Not Agree” at this time to safely shut the instrument off. The next time this disk drive is powered on this process will be restarted. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 557 Figure 16-5 Anti-Virus Message 7. The disk drive in use is now ready for further configuration. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 558 2. Connect a USB mouse to one of the instrument front panel USB ports. 3. Using the mouse double-click on the Windows Explorer link on the desktop and navigate to the following folder: C:\Program Files\Agilent\SignalAnalysis\Physics 4. In this folder find and execute the file named: FPGA_Prog.bat Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 559 7. The programming of the FPGA code could take a few minutes to complete. Once it has finished the instrument will reboot itself to use the new code and this process will then be completed. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 560 A7 Midplane board assembly replacement. To program the model and serial numbers into a replacement A7 Midplane board assembly the N7800A Keysight Calibration Application Software will be required. Information regarding N7800A Keysight Calibration Application Software can be found at: http://www.keysight.com/find/calibrationsoftware...
  • Page 561: 17 Functional Tests

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 17 Functional Tests Functional Test Performance Verification Functional tests are tests of various instrument parameters that give a high degree of confidence that the analyzer is operating correctly. They are recommended as a check of analyzer operation for incoming inspection or after a repair.
  • Page 562: Before Performing A Functional Test

    Press System, Alignments, Align Now, Align Now All. Functional test accuracy depends on the precision of the test equipment used. Ensure that all of the test equipment is calibrated before running a functional test. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 563: Test Equipment

    10 dB Step Attenuator Frequency: 50 MHz 8495A 8496A Range: 0 to 70 dB 10 dB Fixed Attenuator (2 Frequency: 50 MHz 8493C Option 010 8493A Option required) VSWR: < 1.2:1 8493B Option Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 564 Amplitude: –30 to +20 dBm Power Sensor Frequency: 50 MHz to 26.5 GHz 8485A N8485A Amplitude: –30 to +20 dBm 532, 544 Power Sensor 8487A Frequency: 50 MHz to 44 GHz Amplitude: –30 to +20 dBm Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 565 PSG model numbers: E8244A, E8254A, E8247C Option 520, E8247C Option H31 or 540, E8257D Option 520, E8257D Option 550, E8257D Option 567, E8267D Option 544. c. Maximum frequency equal to or greater than the maximum frequency of the preamplifier option. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 566: Displayed Average Noise Level (Danl)

    Normal view. Press OK. Press Mode Preset on the analyzer. 3. Set up the signal analyzer by pressing: FREQ, Center Frequency, 10, MHz Input/Output, Input, RF Coupling, select DC FREQ, Span, 10, kHz AMPTD, –70, dBm AMPTD, Attenuation, Mech Atten, 0, dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 567 Table 17-2 on page 566. Press: FREQ, Center Frequency, [Table 2-1 Value], GHz 13.Repeat step 4 through step 12 to fill in the remainder of Table 17-2 on page 566 for your analyzer frequency range. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 568 –150 2 GHz –145 –149 6 GHz –144 –142 13 GHz –140 –144 20 GHz –133 –142 26.5 GHz –129 –139 30 GHz –135 35 GHz –130 40 GHz –130 43.5 GHz –130 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 569: Frequency Readout Accuracy

    VSWR: < 1.4:1 Cable, BNC, 120 cm Frequency: 10 MHz 10503A Synthesized Sweeper Frequency: 10 MHz to 1.51 GHz a. For Options 503, 507, 513, and 526 b. For Options 532 and 544 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 570: Procedure

    Table 17-4. 6. Change the synthesized sweeper frequency to match the center frequency of the analyzer. 7. Repeat step 4 through step 6 until the Marker Frequency Readout column Table 17-4 is complete. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 571 1504.56 MHz 1505.44 MHz 54.1 1505 1504.8122 MHz 1505.1878 MHz 7.95 1505 1504.97240 MHz 1505.0276 MHz 0.106 1505 1504.999630 MHz 1505.000370 MHz 1.98 517.59 517.58316 MHz 517.59684 MHz 1.98 832.50 832.49316 MHz 832.50684 MHz Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 572: Second Harmonic Distortion (Shd)

    Filter, 50 MHz Low Pass Cutoff Frequency: 50 MHz 0955-0306 Rejection at 65 MHz: > 40 dB Rejection at 75 MHz: > 60 dB Synthesized Sweeper Frequency: 50 MHz Spectral Purity: Better than –30 dBc Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 573: Procedure

    7. On the analyzer, activate the marker delta function by pressing the Marker and Delta keys. 8. On the signal analyzer, press: FREQ, Center Frequency, 80, MHz Meas Setup, Avg/Hold Number, 20, Enter Trace, Trace Average Single Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 574 9. Press Peak Search. Enter the displayed value under the Measured Second Harmonic Distortion (dBc) heading in Table 17-5. Table 17-5 Second Harmonic Distortion Results Applied Frequency Measured Second Harmonic Distortion Mixer Level Specification (MHz) (dBc) (dBm) (dBc) –10 –55 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 575: Amplitude Accuracy At 50 Mhz

    Amplitude Range: −25 dBm to 10 dBm 8485A Power Splitter 3.5 mm (f) connectors 11667B 6 dB loss Synthesized Sweeper Typical Temperature Stability: 0.01 dBc/°C a. For Options 503, 507, 513, and 526 b. For Options 532 and 544 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 576: Procedure

    CW, 50, MHz Power Level, -4, dBm RF (On) 6. Set up the signal analyzer by pressing: Input/Output, Freq Ref Input, Freq Ref Input External FREQ, Center Frequency, 50, MHz Span, 2, MHz Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 577 Power Meter Amplitude Test Limit Source (dB) (MHz) Amplitude Amplitude Accuracy (dB) Amplitude Meas_amp Power_meter Error (dBm) (dBm) (dBm) (dB) ±1.2 dB ±1.2 dB ±1.2 dB ±1.2 dB ±1.2 dB ±1.2 dB ±1.2 dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 578: Testing Preamp Option (P03, P07, P13, P26, P32, P44)

    Amplitude Accuracy Results (Option P03, P07, P13, P26, P32, P44) Nominal Res BW Span Measured Power Meter Amplitude Test Limit Source Low- band (kHz) (kHz) Amplitude Amplitude Accuracy (dB) Amplitude Preamp Meas_amp Power_meter Error (dBm) (dBm) (dBm) (dB) ±1.30 dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 579: Frequency Response (Flatness)

    Cables, BNC 120 cm Frequency: 10 MHz 10503A Power Meter Compatible with power sensor E4418B Power Sensor Frequency Range: 50 MHz to 26.5 GHz 8485A Frequency Range: 50 MHz to 44 GHz 8487A Power Sensor Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 580: Procedure

    Connect the power splitter to the signal analyzer input using the appropriate adapter. Do not use a cable. 3. Assure the signal analyzer’s built-in auto alignment has been performed within the last 24 hours. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 581 17.Compute the flatness error normalized to 50 MHz: (Meas - Meas @ 50 MHz) Error Error 18.Enter the computed flatness error valu651e into the Flat column of Norm Table 17-8. 19.Compare the value of Flat to the test limit. Norm Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 582 ±4.2 dB 26 GHz ±4.2 dB 29 GHz ±3.5 dB 32 GHz ±3.5 dB 35 GHz ±4.2 dB 38 GHz ±4.2 dB 41 GHz ±4.2 dB 42.5 GHz ±4.2 dB 43.5 GHz ±4.2 dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 583: Frequency Response (Flatness), Preamp On

    Cable, 2.4 mm, 1 meter VSWR: < 1.55:1 Cables, BNC 120 cm Frequency: 10 MHz 10503A Power Meter Compatible with power sensor E4418B Attenuator, 30 dB Fixed Frequency: 50 MHz 11708A Accuracy: ±0.05 dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 584: Procedure

    For Options P03, P07, P13, and P26 b. For Options P32 and P44 Figure 17-6 Frequency Response Test Setup Procedure 1. Zero and calibrate the power meter and power sensor as described in the power meter operation manual. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 585 Center to center the preselector filter for an optimum amplitude measurement. 15.Repeat step 7 through step 14 and complete the remainder of Table 17-8 for the frequency range of your preamp. 16.Compute the measurement error (Meas = Meas - Power Error Meter Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 586 17.Compute the flatness error normalized to 50 MHz: (Meas - Meas @ 50 MHz) Error Error 18.Enter the computed flatness error value into the Flat column of Table Norm 17-8. 19.Compare the value of Flat to the test limit. Norm Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 587 ±4.0 dB 26 GHz ±4.0 dB 29 GHz ±4.0 dB 32 GHz ±4.0 dB 35 GHz ±5.0 dB 38 GHz ±5.0 dB 41 GHz ±5.0 dB 42.5 GHz ±5.0 dB 43.5 GHz ±5.0 dB Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 588: Scale Fidelity

    Cable, BNC 120 cm Frequency: 10 MHz 10503A Synthesized Sweeper Output Level Accuracy: 0 to –15 dBm: ±1.0 dB at 50 MHz a. For Options 503, 507, 513, and 526 b. For Options 532 and 544 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 589: Procedure

    Peak Search 5. Set the external 10 dB step attenuator to 0 dB. 6. Adjust the amplitude on the signal source until the marker amplitude on the analyzer reads –15 dBm ±0.2 dB. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 590 Check delta marker reading against the test limits. Table 17-10 Scale Fidelity Results Minimum Marker Delta Value Maximum External Attenuator Setting (dB) (dB) (dB) Reference –11.0 –9.0 –21.0 –19.0 –31.0 –29.0 –41.0 –39.0 –51.0 –49.0 Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 591: 18 Instrument Software

    Keysight X-Series Signal Analyzers N9010B EXA Signal Analyzer Service Guide 18 Instrument Software What You Will Find in This Chapter Instrument Software Overview on page 592 Software Licensing on page 593 Software Updates on page 594 Instrument Measurement Application Software on page 594...
  • Page 592: Instrument Software Overview

    89601B VSA software is installed in each instrument as it left the factory, it must be updated, and kept in sync with the rest of the instrument application software independently. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 593: Software Licensing

    Instrument Software Software Licensing Software Licensing All application software needs to have a valid license in order to be available for use. This also includes the spectrum analyzer application (N9060C). Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 594: Software Updates

    To determine what revisions are compatible, and if a further updates are required, please see the software compatibility information on the instrument measurement application software download web page listed above. Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 595 141, 207, bail handle troubleshooting, high band troubleshooting, part number, A7 midplane low band troubleshooting, removal, description, part number, Band Lock menu description, part number, removal, basics, troubleshooting, troubleshooting, troubleshooting, battery A7 midplane assembly Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 596 134, external hardware, 403, 404, 405, High Band Preamp (Option P08, P13, major assembly locations, 406, 409, 410, 411, 412, 413, 414, P26) troubleshooting, manual set, high band signal level verification, Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 597 Specifications Guide on CD-ROM, preamplifiers, splash screen, 48, 57, preload measurement splitters, applications, SSD assembly yellow LED, 48, preselector see A5 SSD assembly yig filter see A12 YTF SSD module see A12 YTF see A12 YTF Keysight N9010B EXA Signal Analyzer Service Guide...
  • Page 598 This information is subject to change without notice. © Keysight Technologies 2016-2023 Edition 1, June 2023 N9010-90061 www.keysight.com...

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