Keysight InfiniiVision 4000G X Series Service Manual
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Keysight InfiniiVision 4000G X Series Service Manual

Keysight InfiniiVision 4000G X Series Service Manual

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Keysight InfiniiVision 4000G X-Series
Oscilloscopes
SERVICE GUIDE

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Summary of Contents for Keysight InfiniiVision 4000G X Series

  • Page 1 Keysight InfiniiVision 4000G X-Series Oscilloscopes SERVICE GUIDE...
  • Page 2 The material contained in this document is permit, among other things, that Keysight: (1) provided “as is,” and is subject to being data. Do not proceed beyond a Furnish technical information related to changed, without notice, in future editions.

  • Page 3: In This Service Guide

    In This Service Guide This book provides the service information for the Keysight 4000G X-Series oscilloscopes. This manual is divided into these chapters: Characteristics and Specifications This chapter contains a partial list of characteristics and specifications for the Keysight InfiniiVision 4000G X-Series oscilloscopes.
  • Page 4 Digital Channels Because all of the oscilloscopes in the Keysight 4000G X-Series have analog channels, the analog channel topics in this book apply to all instruments. Whenever a topic discusses the digital channels, that information applies only to Mixed-Signal Oscilloscope (MSO) models or DSO models that have been upgraded to an MSO.

  • Page 5: Table Of Contents

    Contents In This Service Guide / 3 Figures / 9 Tables / 11 Characteristics and Specifications Power Requirements / 13 Measurement Category / 14 Measurement Category / 14 Measurement Category Definitions / 14 Transient Withstand Capability / 15 Environmental Conditions / 16 Specifications / 16 Contact us / 16 Testing Performance...
  • Page 6 To verify time base accuracy / 44 To verify trigger sensitivity / 46 Test Internal Trigger Sensitivity / 47 Test External Trigger Sensitivity (all models) / 50 Keysight 4000G X-Series Oscilloscopes Performance Test Record / 53 Calibrating and Adjusting User Calibration / 59...
  • Page 7 Contents Replacing Assemblies To remove the handle / 72 To remove the adjustable legs / 73 Replaceable Parts Ordering Replaceable Parts / 76 Listed Parts / 76 Unlisted Parts / 76 Direct Mail Order System / 76 Exchange Assemblies / 77 Exploded View / 78 Replaceable Parts List / 79 Safety Notices...
  • Page 8 Contents 4000G X-Series Oscilloscopes Service Guide...

  • Page 9: Figures

    Figures Figure 1. Constructing the 8-by-2 Connector / 22 Figure 2. Setting Up Equipment for Digital Channel Threshold Accuracy Test / 26 Figure 3. Setting up Equipment for DC Vertical Gain Accuracy Test / 32 Figure 4. Using a Blocking Capacitor to Reduce Noise / 34 Figure 5.
  • Page 10 Figures 4000G X-Series Oscilloscopes Service Guide...

  • Page 11: Tables

    Tables Table 1. List of test equipment / 19 Table 2. Conventions / 20 Table 3. Materials required to construct the test connectors / 21 Table 4. Equipment Required to Test Digital Channel Threshold Accuracy / 24 Table 5. Threshold Accuracy Voltage Test Settings / 27 Table 6.
  • Page 12 Tables 4000G X-Series Oscilloscopes Service Guide...

  • Page 13: Characteristics And Specifications

    This chapter contains a partial list of characteristics and specifications for the Keysight InfiniiVision 4000G X-Series oscilloscopes. For a full list of Keysight InfiniiVision 4000G X-Series oscilloscopes characteristics and specifications see the data sheets. The data sheets are available at www.keysight.com/find/4000GX-Series.

  • Page 14: Measurement Category

    Characteristics and Specifications Measurement Category Measurement Category The InfiniiVision 4000G X-Series oscilloscopes are not intended to be used for measurements in Measurement Category II, III, or IV. Use this instrument only for measurements within its specified measurement category WARNING (not rated for CAT II, III, IV). No transient overvoltages allowed. Measurement Category Definitions The "Not rated for CAT II, III, IV"...

  • Page 15: Transient Withstand Capability

    Characteristics and Specifications Transient Withstand Capability Maximum input voltage for analog inputs CAUTION 135 Vrms 50 Ω input: 5 Vrms Input protection is enabled in 50 Ω mode and the 50 Ω load will disconnect if greater than 5 Vrms is detected. However the inputs could still be damaged, depending on the time constant of the signal.

  • Page 16: Environmental Conditions

    Example: Sheltered outdoor environment. Specifications Please see the InfiniiVision 4000G X-Series Oscilloscopes Data Sheet for complete, up-to-date specifications and characteristics. To download a copy of the data sheet please visit: www.keysight.com/find/4000GX-Series. Contact us To contact Keysight, see: www.keysight.com/find/contactus 4000G X-Series Oscilloscopes Service Guide...

  • Page 17: Testing Performance

    To verify bandwidth (-3 dB) To verify time base accuracy To verify trigger sensitivity Keysight 4000G X-Series Oscilloscopes Performance Test Record This chapter explains how to verify correct oscilloscope operation and perform tests to ensure that the oscilloscope meets the performance specifications.

  • Page 18: Overview

    Testing Performance Overview To completely test and troubleshoot MSO models, create and use the test connector accessory as described in this chapter. • The test connector is only required for oscilloscopes that have the MSO option licensed (enabled). • The connector is used in the digital channel threshold accuracy test. •...

  • Page 19: List Of Test Equipment

    Keysight 1250-0774 * Required only for testing digital channels of oscilloscopes that have the MSO option. Most parts and equipment are available at www.Keysight.com. See respective manufacturer’s websites for their equipment. † These parts available at www.parts.Keysight.com at the time this manual was published.

  • Page 20: Conventions

    Termination * Required only for testing digital channels of oscilloscopes that have the MSO option. Most parts and equipment are available at www.Keysight.com. See respective manufacturer’s websites for their equipment. † These parts available at www.parts.Keysight.com at the time this manual was published.

  • Page 21: To Construct The Test Connector (For Use With Mso Models Only)

    Testing Performance To construct the test connector (for use with MSO models only) Keysight 4000G X-Series oscilloscopes that have digital channels enabled require the test connector described below. Follow the steps to build the test connector. Table 3 Materials required to construct the test connectors...

  • Page 22: Figure 1 Constructing The 8-By-2 Connector

    Testing Performance Jumper (2) Ground Lead (from scope’s MSO cable) Signal Lead (from scope’s MSO cable) 8 x 2 Berg Strip BNC Panel Mount Connector Figure 1 Constructing the 8-by-2 Connector 4000G X-Series Oscilloscopes Service Guide...

  • Page 23: To Test Digital Channels (Mso Models Only)

    Testing Performance To test digital channels (MSO models only) The acquisition system testing provides confidence that the acquisition system is functioning correctly. It does not, however, check a particular specification. 1 Disconnect all probes from the circuit under test and from any other input source.

  • Page 24: To Verify Digital Channel Threshold Accuracy (Mso Models Only)

    DC voltage of -5.5 V to 5.5 V, 10 mV resolution Keysight B2912A/B2962A Adapter (qty 2) BNC(f) to banana(m) Keysight 1251-2277 BNC Tee BNC tee (m) (f) (f) Keysight 1250-0781 or Pomona 3285 Ω BNC Cable (qty 2) BNC - BNC, 48” length Keysight 8120-1840 BNC Test Connector, User-built (See...
  • Page 25 Testing Performance 1 Turn on the test equipment and the oscilloscope. Let them warm up for 30 minutes before starting the test. 2 Set up the precision source. a Set the precision source to provide a DC offset voltage at the Channel 1 output.

  • Page 26: Figure 2 Setting Up Equipment For Digital Channel Threshold Accuracy Test

    Testing Performance Precision Source 4000G X-Series Oscilloscope Digital Multimeter Probe BNC Tee Cables Channels BNC-Bananna Test 8 - 15 Channels Cable Connector 0 - 7 Figure 2 Setting Up Equipment for Digital Channel Threshold Accuracy Test 4 Use a BNC-banana cable to connect the multimeter to the other side of the BNC Tee.

  • Page 27: Table 5 Threshold Accuracy Voltage Test Settings

    Testing Performance 7 Press the User softkey to the right of the D7 - D0 softkey, then turn the Entry knob ( ) on the front panel of the oscilloscope to set the threshold test settings as shown in Table Table 5 Threshold Accuracy Voltage Test Settings Threshold voltage...
  • Page 28 Testing Performance 9 When testing 4000G X-Series MSOs, use the 8-by-2 test connector to connect digital channels D15-D8 to the output of the precision source. Then connect the D15-D8 ground lead to the ground side of the 8-by-2 connector. 10 Repeat this procedure (steps 6 through 8) for digital channels D15-D8 to verify threshold accuracy and record the threshold levels in the Performance Test Record (see page...

  • Page 29: To Verify Dc Vertical Gain Accuracy

    Adapter (qty 2) BNC (f) to banana (m) Keysight 1251-2277 BNC Tee BNC tee (m) (f) (f) Keysight 1250-0781 or Pomona 3285 Shorting cap Keysight 1250-0774 Blocking capacitor Note: if a BNC blocking capacitor is not available use Keysight 11742A + an SMA blocking capacitor.

  • Page 30: Table 8. Settings Used To Verify Dc Vertical Gain Accuracy

    Testing Performance 2 Set up the oscilloscope. a Adjust the horizontal scale to 200.0 us/div. b Set the Volts/Div setting to the value in the first line in Table 8 (depending on the oscilloscope model). c Adjust the channel’s vertical position knob to place the baseline (reference level) at 0.5 major division from the bottom of the display.
  • Page 31 Testing Performance Wait a few seconds for the measurement to settle. 3 Add a measurement for the average voltage: a Press the [Meas] key. b Press Source; then, turn the Entry knob (labeled on the front panel) to select the channel you are testing. c Press Type:;...

  • Page 32: Figure 3. Setting Up Equipment For Dc Vertical Gain Accuracy Test

    Testing Performance Oscilloscope Precision Source BNC Tee Digital Multimeter BNC (f) to dual bananna adapter Figure 3 Setting up Equipment for DC Vertical Gain Accuracy Test 6 Adjust the output so that the multimeter reading displays the first Volts/div precision source setting value in Table 8 (depending on the oscilloscope model).
  • Page 33 Testing Performance The difference in average voltage readings should be within the test limits of Table 8 (depending on the oscilloscope model). If a result is not within the test limits, go to the “Troubleshooting” chapter. Then return here. 11 Disconnect the precision source from the oscilloscope. 12 Repeat this procedure to check the DC vertical gain accuracy with the remaining Volts/div setting values in Table 8...

  • Page 34: Figure 4. Using A Blocking Capacitor To Reduce Noise

    Testing Performance Use a Blocking Capacitor to Reduce Noise On the more sensitive ranges, such as 1 mV/div, 2 mV/div, and 5 mV/div, noise may be a factor. To eliminate the noise, add a BNC Tee, blocking capacitor, and shorting cap at the oscilloscope channel input to shunt the noise to ground. See Figure 4.

  • Page 35: To Verify Dual Cursor Accuracy

    Adapter (qty 2) BNC (f) to banana (m) Keysight 1251-2277 BNC Tee BNC tee (m) (f) (f) Keysight 1250-0781 or Pomona 3285 Shorting cap Keysight 1250-0774 Blocking capacitor Note: if a BNC blocking capacitor is not available use Keysight 11742A + an SMA blocking capacitor.

  • Page 36: Table 10 Settings Used To Verify Dual Cursor Accuracy

    Testing Performance Table 10 Settings Used to Verify Dual Cursor Accuracy Volts/Div Setting Precision Source Test Limits Setting 5 V/Div 35 V 34.032 V 35.968 V 2 V/Div 14 V 13.6128 V 14.3872 V 1 V/Div 6.8064 V 7.1936 V 500 mV/Div 3.5 V 3.4032 V...

  • Page 37: Figure 5. Setting Up Equipment For Dual Cursor Accuracy Test

    Testing Performance Note: Set the Low Force terminal of the Precision Source to its "Floating" state to prevent offset error caused by ground loop current from the Precision Source ground to the DUT ground. Oscilloscope Precision Source BNC Tee Digital Multimeter BNC (f) to dual bananna adapter...

  • Page 38: Figure 6 Using A Blocking Capacitor To Reduce Noise

    Testing Performance 8 Press the Y2 softkey, then position the Y2 cursor to the center of the voltage trace using the Entry knob. The ΔY value on the lower line of the display should be within the test limits of Table If a result is not within the test limits, go to the “Troubleshooting”...

  • Page 39: To Verify Bandwidth (-3 Db)

    Equipment Critical Specifications Recommended Model/Part Signal Generator 100 kHz - 1.5 GHz at 200 mVrms Keysight N5171B with 3 GHz option Power Meter 1 MHz - 1.5 GHz ±3% accuracy Keysight N1914A Power Sensor 1 MHz - 1.5 GHz ±3% accuracy...

  • Page 40: Figure 7 Setting Up Equipment For Bandwidth (-3 Db) Verification Test

    Testing Performance Oscilloscope Signal Generator N to BNC Adapter Power Splitter Power Sensor N Cable Power Meter Figure 7 Setting Up Equipment for Bandwidth (-3 dB) Verification Test 2 Set up the power meter. Set the power meter to display measurements in units of watts. 4000G X-Series Oscilloscopes Service Guide...
  • Page 41 Testing Performance 3 Set up the oscilloscope. a Press the [Default Setup] key. b Set channel 1 Coupling to DC. c Set channel 1 Imped to 50 Ohm. d Set the time base to 500 ns/div. e Set the Volts/Div for channel 1 to 200 mV/div. f Press the [Acquire] key, then press the Averaging softkey.
  • Page 42 Testing Performance 9 Change the signal generator output frequency according to the maximum frequency for the oscilloscope using the following: • 1.5 GHz Models: 1.5 GHz • 1 GHz Models: 1 GHz • 500 MHz Models: 500 MHz • 350 MHz Models: 350 MHz •...
  • Page 43 Testing Performance 15 The result from step 14 should be within -3.0 dB. Record the result in the Performance Test Record (see page 53). 16 Move the power splitter from the channel 1 to the channel 2 input. 17 Turn off the current channel and turn on the next channel using the channel keys.

  • Page 44: To Verify Time Base Accuracy

    Equipment Required to Verify Time Base Accuracy Equipment Critical Specifications Recommended Model/Part Signal Generator 100 kHz - 1.5 GHz, 0.01 Hz frequency resolution, jitter: Keysight N5171B with 3 GHz option <2 ps Ω BNC Cable BNC - BNC, 48” length Keysight 8120-1840 1 Set up the signal generator.
  • Page 45 Testing Performance Time base accuracy limit: ±10 ppm e Record the result and compare it to the limits in the Performance Test Record (see page 53). 4000G X-Series Oscilloscopes Service Guide...

  • Page 46: To Verify Trigger Sensitivity

    Testing Performance To verify trigger sensitivity This test verifies the trigger sensitivity. In this test, you will apply a sine wave to the oscilloscope at the upper bandwidth limit. You will then decrease the amplitude of the signal to the specified levels, and check to see if the oscilloscope is still triggered.

  • Page 47: Test Internal Trigger Sensitivity

    Equipment Required to Verify Trigger Sensitivity Equipment Critical Specifications Recommended Model/Part Signal Generator 100 kHz to 1.5 GHz sine waves Keysight N5171B with 3 GHz option Power splitter Outputs differ < 0.15 dB Keysight 11667A ± Power Meter 1.5 GHz...

  • Page 48: Figure 8. Setting Up Equipment For Internal Trigger Sensitivity Test

    Testing Performance 3 Connect the equipment (see Figure a Connect the signal generator output to the oscilloscope channel 1 input. Oscilloscope Signal Generator N to BNC Adapter N Cable Figure 8 Setting Up Equipment for Internal Trigger Sensitivity Test b Set channel 1 Imped to 50 Ohm. 4 To verify the trigger sensitivity at the oscilloscope’s maximum bandwidth, set the output frequency of the signal generator to the maximum bandwidth of the oscilloscope:...
  • Page 49 Testing Performance 5 Perform these steps to test at the 5 mV/div setting: a Set the signal generator amplitude to about 10 mV b Press the [AutoScale] key. c Set the time base to 10 ns/div. d Set channel 1 to 5 mV/div. e Decrease the amplitude from the signal generator until 1 vertical division of the signal (about 5 mV ) is displayed.

  • Page 50: Test External Trigger Sensitivity (All Models)

    Testing Performance Test External Trigger Sensitivity (all models) This test applies to all models. Verify the external trigger sensitivity at these settings: Table 17 External Trigger Sensitivity Test Settings Input Range 100 MHz 200 Mhz 1.6 V 40 mV 70 mV 200 mV 350 mV 1 Connect the equipment (see...
  • Page 51 Testing Performance Oscilloscope Signal Generator 50 Ohm Feedthrough N to BNC Adapter Power Splitter Power Sensor N Cable Power Meter Figure 9 Setting Up Equipment for 4-Channel External Trigger Sensitivity Test 4000G X-Series Oscilloscopes Service Guide...
  • Page 52 Testing Performance 2 Set up the oscilloscope. a Press the [Default Setup] key. b Press the [Mode/Coupling] key; then, press the Mode softkey to select Normal. 3 Change the signal generator output frequency to 100 MHz or 200 MHz. 4 Set the power meter Cal Factor % to the appropriate value (100 MHz or 200 MHz) on the calibration chart on the power sensor.

  • Page 53: Keysight 4000G X-Series Oscilloscopes Performance Test Record

    Testing Performance Keysight 4000G X-Series Oscilloscopes Performance Test Record Serial No. ______________________________________ Test by _____________________________ Test Interval ____________________________________ Work Order No. ______________________ Recommended Next Testing ________________________ Temperature ____________ Threshold Specification Limits Ch D7-D0 Ch D15-D8 Accuracy Test 5 V - 250 mV 4.750 V...
  • Page 54 Testing Performance Dual Cursor Accuracy Range Power Supply Setting Test Limits Channel 1 Channel 2 Channel 3* Channel 4* 5 V/Div 35 V 34.0 V to 36.0 V ________ ________ ________ ________ 2 V/Div 14 V 13.6 V to 14.4 V ________ ________ ________...
  • Page 55 Testing Performance External Trigger Sensitivity Input Range: 8 V Generator Setting Test Limits Ext Trig In 200 MHz 350 mV ________ 100 MHz 200 mV ________ Input Range: 1.6 V Generator Setting Test Limits Ext Trig In 200 MHz 70 mV ________ 100 MHz 40 mV...
  • Page 56 Testing Performance 4000G X-Series Oscilloscopes Service Guide...

  • Page 57: Calibrating And Adjusting

    Keysight InfiniiVision 4000G X-Series Oscilloscope Service Guide 3 Calibrating and Adjusting This chapter explains how to adjust the oscilloscope for optimum operating performance. You should perform self-calibration according to the following recommendations: • Every two years or after 4000 hours of operation •...
  • Page 58 Calibrating and Adjusting REMOVE POWER TO AVOID DAMAGE! CAUTION Do not disconnect any cables or remove any assemblies with power applied to the oscilloscope. Otherwise, damage to the oscilloscope can occur. USE EXTERNAL FAN TO REDUCE TEMPERATURE! CAUTION When you must operate the oscilloscope with its cover and main shield removed, use an external fan to provide continuous air flow over the samplers (the ICs with heat sinks on them).

  • Page 59: User Calibration

    Calibrating and Adjusting User Calibration Perform user-calibration: • Every two years or after 4000 hours of operation. • If the ambient temperature is >10° C from the calibration temperature. • If you want to maximize the measurement accuracy. The amount of use, environmental conditions, and experience with other instruments help determine if you need shorter User Cal intervals.
  • Page 60 Calibrating and Adjusting Use 50Ω RG58AU or equivalent BNC cables when performing User Cal. a For a 2-channel oscilloscope, connect a BNC tee to the equal length cables. Then connect a BNC(f)-to-BNC(f) (also called a barrel connector) to the tee as shown below.

  • Page 61: Figure 10 User Calibration Cable For 2-Channel Oscilloscope

    Calibrating and Adjusting Figure 10 User Calibration cable for 2-channel oscilloscope b For a 4-channel oscilloscope, connect BNC tees to the equal-length cables as shown below. Then connect a BNC(f)-to-BNC(f) (barrel connector) to the tee as shown below. To Channel 1 To Channel 2 To Channel 3 Longer cable...

  • Page 62: User Cal Status

    Calibrating and Adjusting User Cal Status Pressing the User Cal Status softkey displays the following summary results of the previous User Cal, and the status of probe calibrations for probes that can be calibrated. Note that AutoProbes do not need to be calibrated, but InfiniiMax probes can be calibrated.

  • Page 63: Troubleshooting

    Keysight InfiniiVision 4000G X-Series Oscilloscope Service Guide 4 Troubleshooting Solving General Problems with the Oscilloscope Verifying Basic Operation Read All Cautions and Warnings Before you begin any troubleshooting, read all Warning and Cautions in the “Troubleshooting” section. This chapter begins with “Solving General Problems with the...

  • Page 64: Solving General Problems With The Oscilloscope

    Troubleshooting Solving General Problems with the Oscilloscope This section describes how to solve general problems that you may encounter while using the Keysight 4000G X-Series oscilloscopes. After troubleshooting the oscilloscope, if you need to replace parts, refer to Chapter 6, “Replaceable Parts,” starting on page 75.

  • Page 65: If You Cannot See A Channel

    Troubleshooting Check that all oscilloscope probes are connected to the correct signals in the circuit under test. Ensure that the probe’s ground lead is securely connected to a ground point in the circuit under test. For high-speed measurements, each probe’s individual ground lead should also be connected to a ground point closest to the signal point in the circuit under test.

  • Page 66: Verifying Basic Operation

    When the oscilloscope is turned on, the front panel LEDs will briefly light up in groups from bottom to top. • Next the Keysight logo appears on the display. • Next a message will appear with tips on getting started using the oscilloscope.

  • Page 67: To Perform Front Panel Self Test

    Troubleshooting Successfully passing Hardware Self Test does not guarantee 100% of the oscilloscope's functionality. Hardware Self Test is designed to provide an 80% confidence level that the oscilloscope is operating properly. To perform front panel self test Pressing [Utility] > Service > Front Panel Self Test lets you test the front panel keys and knobs as well as the oscilloscope display.

  • Page 68: Figure 12 Default Setup Screen

    Troubleshooting • 0 V level. • channel 1 source. • dc coupling. • rising edge slope. • 40 ns holdoff time. • Display: • 20% grid intensity. • persistence off. • Other: • Acquire mode normal. • Run/Stop to Run. •...

  • Page 69: To Perform An Auto Scale On The Probe Comp Signal

    Troubleshooting To perform an Auto Scale on the Probe Comp signal 1 Press the [Default Setup] key. The oscilloscope is now configured to its default settings. 2 Connect an oscilloscope probe from channel 1 to the Probe Comp signal terminal on the front panel.

  • Page 70: To Compensate Passive Probes

    Troubleshooting To compensate passive probes You should compensate your passive probes to match their characteristics to the oscilloscope’s channels. A poorly compensated probe can introduce measurement errors. 1 Perform the procedure “To perform an Auto Scale on the Probe Comp signal"...

  • Page 71: Replacing Assemblies

    Keysight InfiniiVision 4000G X-Series Oscilloscope Service Guide 5 Replacing Assemblies Because there are no operator serviceable parts inside the oscilloscope, there are no longer instructions for replacing internal assemblies in this service guide. No operator serviceable parts inside. Refer servicing to qualified personnel. To prevent WARNING electrical shock, do not remove covers.

  • Page 72: To Remove The Handle

    Replacing Assemblies To remove the handle The removal of the Strap handle may be necessary when mounting oscilloscope in a rack. 1 Using T20 TORX driver, remove the screws holding strap handle caps in place. 2 Lift the strap handle off the cabinet. Figure 14 Removing the handle 4000G X-Series Oscilloscopes Service Guide...

  • Page 73: To Remove The Adjustable Legs

    Replacing Assemblies To remove the adjustable legs If the adjustable legs must be removed: 1 Using a T20 TORX, remove shoulder screw and washer. 2 Pull adjustable leg assembly from cabinet. Assembly contains latching mechanism and spring. Figure 15 Removing adjustable legs 4000G X-Series Oscilloscopes Service Guide...
  • Page 74 Replacing Assemblies 4000G X-Series Oscilloscopes Service Guide...

  • Page 75: Replaceable Parts

    Keysight InfiniiVision 4000G X-Series Oscilloscope Service Guide 6 Replaceable Parts This chapter describes how to order replaceable assemblies and parts for the Keysight 4000G X-Series oscilloscopes. Diagrams and parts lists are included for assemblies and hardware that you can order.

  • Page 76: Ordering Replaceable Parts

    Ordering Replaceable Parts Listed Parts To order a part in the parts list, quote the Keysight Technologies part number, indicate the quantity desired, and address the order to the nearest Keysight Technologies Sales Office. To find your nearest sales office go to www.Keysight.com.

  • Page 77: Exchange Assemblies

    The exchange parts have a part number in the form XXXXX-695XX. After receiving the repaired exchange part from Keysight Technologies, a United States customer has 30 days to return the faulty assembly. For orders not originating in the United States, contact the local Keysight Technologies service organization.

  • Page 78: Exploded View

    Replaceable Parts Exploded View The following exploded views provide a graphical representation of the oscilloscope at the time this manual was released. Not all parts are shown. Your parts may be slightly different than those shown. These views provide reference designator numbers that map to those used in the parts list table in this chapter.

  • Page 79: Replaceable Parts List

    Replaceable Parts Replaceable Parts List The information given for each part consists of the following: • Reference designation. • Keysight Technologies part number. • Total quantity (Qty) in the instrument or on assembly. • Description of the part. Table 18...
  • Page 80 Replaceable Parts Table 18 Replaceable Parts (continued) Ref Des Keysight Part Description Number 54734-94304 ID Label 2 Ch MSO 500MHz 54735-94303 ID Label 4 Ch DSO 500MHz 54735-94304 ID Label 4 Ch MSO 500MHz 54737-94301 ID Label 4 Ch DSO 1 GHz...
  • Page 81 Replaceable Parts Table 18 Replaceable Parts (continued) Ref Des Keysight Part Description Number MP33 54739-94322 Overlay - Russian, 4 channel (not shown) MP33 54739-94321 Overlay - Russian, 2 channel (not shown) MP33 54739-94308 Overlay - French, 4 channel (not shown)

  • Page 82: Table 18. Replaceable Parts

    Replaceable Parts (continued) Ref Des Keysight Part Description Number Not shown Power cord Part number varies by country. Contact your local Keysight sales office for replacement. Not shown N2894A Passive Probe 10:1, 700 MHz Not shown N2763-60002 Rack Mount Kit for 4000G X-Series Oscilloscope *Optional item.

  • Page 83: Safety Notices

    Keysight InfiniiVision 4000G X-Series Oscilloscope Service Guide 7 Safety Notices This apparatus has been designed and tested in accordance with IEC Publication 1010, Safety Requirements for Measuring Apparatus, and has been supplied in a safe condition. This is a Safety Class I instrument (provided with terminal for protective earthing).

  • Page 84: To Clean The Instrument

    Safety Notices Do not install substitute parts or perform any unauthorized modification to the instrument. Capacitors inside the instrument may retain a charge even if the instrument is disconnected from its source of supply. Do not operate the instrument in the presence of flammable gasses or fumes. Operation of any electrical instrument in such an environment constitutes a definite safety hazard.

  • Page 85: Index

    LED, startup sequence, handle, contact Keysight, replaceable parts list, replacing assemblies, run self-tests, making test connector, DC vertical gain accuracy, measurement category, digital channel definitions,...
  • Page 86 Index connector, constructing, digital channels, equipment, record, threshold accuracy, digital channel, test diagram, trace display problem solving, transient withstand capability, trigger sensitivity, sensitivity, external, sensitivity, internal, troubleshooting, user calibration, verify bandwidth, digital channel, trigger, warranted specifications, 4000G X-Series Oscilloscopes Service Guide...

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