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Agilent Technologies 2000 X, Service Manual

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1

23

Agilent InfiniiVision 2000/3000 X-Series Oscilloscope
Service Guide

 

2
Testing Performance

Overview

24

List of Test Equipment

25

To construct the test connector (for use with MSO models only)

27

To test digital channels (MSO models only)

29

To verify digital channel threshold accuracy (MSO models only)

30

To verify DC vertical gain accuracy

35

To verify dual cursor accuracy

42

To verify bandwidth (-3 dB)

49

To verify time base accuracy

55

To verify trigger sensitivity

57

Agilent 2000 X-Series Oscilloscopes Performance Test Record

63

Agilent 3000 X-Series Oscilloscopes Performance Test Record

65

This chapter explains how to verify correct oscilloscope 
operation and perform tests to ensure that the oscilloscope 
meets the performance specifications.

Summary of Contents for 2000 X

Page 1: ...s1 Agilent InfiniiVision 2000 3000 X Series Oscilloscopes Service Guide ...

Page 2: ...bed in this document are furnished under a license and may be used or copied only in accor dance with the terms of such license Restricted Rights Legend If software is for use in the performance of a U S Government prime contract or subcon tract Software is delivered and licensed as Commercial computer software as defined in DFAR 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 1...

Page 3: ... the oscilloscope meets the performance specifications 3 Calibrating and Adjusting This chapter explains how to adjust the oscilloscope for optimum operating performance 4 Troubleshooting This chapter begins with suggestions for solving general problems that you may encounter with the oscilloscope Procedures for troubleshooting the oscilloscope follow the problem solving suggestions 5 Replacing As...

Page 4: ...ver 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 Abbreviated instructions for pressing a series of keys Instructions for pressing a series of keys are written in an abbreviated manner Instructions for pressing Key1 then pressing Softkey2 then pressing Softkey3 are abbreviated as follows ...

Page 5: ...egory 17 Measurement Category Definitions 17 Transient Withstand Capability 18 Environmental Conditions 19 Specifications 20 Contact us 21 2 Testing Performance 23 Overview 24 List of Test Equipment 25 Conventions 26 To construct the test connector for use with MSO models only 27 To test digital channels MSO models only 29 To verify digital channel threshold accuracy MSO models only 30 When to Tes...

Page 6: ...d 63 Agilent 3000 X Series Oscilloscopes Performance Test Record 65 3 Calibrating and Adjusting 67 User Calibration 69 To perform User Cal 69 User Cal Status 72 4 Troubleshooting 73 Solving General Problems with the Oscilloscope 74 If there is no display 74 If there is no trace display 75 If the trace display is unusual or unexpected 75 If you cannot see a channel 76 Verifying Basic Operation 77 T...

Page 7: ... 93 To check the power switch 95 To check the power supply DC output 96 To check the display supplies 97 To check the keyboard supplies 98 To check the fan 99 5 Replacing Assemblies 101 To remove the front panel knobs 104 To remove the bucket assembly 105 To remove the power supply shield 107 To remove the rear deck assembly 110 To remove the acquisition board 117 To remove the front panel assembl...

Page 8: ...e Guide Contents Listed Parts 146 Unlisted Parts 146 Direct Mail Order System 146 Exchange Assemblies 147 Exploded Views 148 Replaceable Parts List 150 7 Safety Notices 157 Warnings 157 To clean the instrument 158 Safety Symbols 159 Index 161 ...

Page 9: ...9 Setting Up Equipment for 4 Channel External Trigger Sensitivity Test 61 Figure 10 User Calibration cable for 2 channel oscilloscope 70 Figure 11 User Calibration cable for 4 channel oscilloscope 71 Figure 12 Default setup screen 80 Figure 13 Example pulses 82 Figure 14 Setup for troubleshooting internal assemblies 85 Figure 15 System Board Test Points Connectors Top Side Left 88 Figure 16 System...

Page 10: ... and front decks 116 Figure 36 Rear and front decks separated 116 Figure 37 Removing the T6 screws 4 channel version 117 Figure 38 Disconnecting keyboard and display cables from acquisition board 118 Figure 39 Disconnecting display backlight power cable from acquisition board 119 Figure 40 Acquisition board mounting screw locations 120 Figure 41 Acquisition board removed from front deck 121 Figure...

Page 11: ...Figure 58 Disconnecting fan power cable 134 Figure 59 Removing fan assembly 135 Figure 60 Disconnecting the AC cable 136 Figure 61 Disconnecting the interboard supply cable from the line filter board 137 Figure 62 Disconnecting the DC cable from the line filter board 137 Figure 63 Removing the power supply 138 Figure 64 Removing the option module guide 139 Figure 65 Disconnecting the ground wire 1...

Page 12: ...12 2000 3000 X Series Oscilloscopes Service Guide Figures ...

Page 13: ...rtical Gain Accuracy 2000 X Series Models 37 Table 9 Settings Used to Verify DC Vertical Gain Accuracy 3000 X Series Models 38 Table 10 Equipment Required to Verify Dual Cursor Accuracy 43 Table 11 Settings Used to Verify Dual Cursor Accuracy 2000 X Series Models 44 Table 12 Settings Used to Verify Dual Cursor Accuracy 3000 X Series Models 45 Table 13 Bandwidth 3 dB Test Limits 49 Table 14 Equipme...

Page 14: ...14 2000 3000 X Series Oscilloscopes Service Guide Tables ...

Page 15: ...ations 20 Contact us 21 This chapter contains a partial list of characteristics and specifications for the Agilent InfiniiVision 2000 3000 X Series oscilloscopes For a full list of Agilent InfiniiVision 2000 3000 X Series oscilloscopes characteristics and specifications see the data sheets The data sheets are available at www agilent com find 2000X Series or www agilent com find 3000X Series ...

Page 16: ...16 2000 3000 X Series Oscilloscopes Service Guide 1 Characteristics and Specifications Power Requirements Line voltage frequency and power Line 100 120 Vac 50 60 400 Hz 100 240 Vac 50 60 Hz 100 W max ...

Page 17: ... measurements performed on circuits directly connected to the low voltage installation Examples are measurements on household appliances portable tools and similar equipment Measurement category III is for measurements performed in the building installation Examples are measurements on distribution boards circuit breakers wiring including cables bus bars junction boxes switches socket outlets in t...

Page 18: ...A B or N2863A B 10 1 probe 300 Vrms CAUTION Do not exceed 5 Vrms in 50 Ω mode 3000 X Series oscilloscopes only Input protection is enabled in 50 Ω mode and the 50 Ω load will disconnect if greater than 5 Vrms is detected However the input could still be damaged depending on the time constant of the signal The 50 Ω input protection mode only functions when the oscilloscope is powered on CAUTION Max...

Page 19: ...and plug connected equipment Pollution Degree The InfiniiVision 2000 3000 X Series oscilloscopes may be operated in environments of Pollution Degree 2 or Pollution Degree 1 Pollution Degree Definitions Pollution Degree 1 No pollution or only dry non conductive pollution occurs The pollution has no influence Example A clean room or climate controlled office environment Pollution Degree 2 Normally o...

Page 20: ...eristics To download a copy of the data sheet please visit www agilent com find 2000X Series or www agilent com find 3000X Series Or go to the Agilent home page at www agilent com and search for 2000 3000 X Series oscilloscopes data sheet To order a data sheet by phone please contact your local Agilent office A contact list is provided on the next page The most up to date list is available at www ...

Page 21: ...ysia 1 800 888 848 Singapore 1 800 375 8100 Taiwan 0800 047 866 Thailand 1 800 226 008 Europe Austria 0820 87 44 11 Belgium 32 0 2 404 93 40 Denmark 45 70 13 15 15 Finland 358 0 10 855 2100 France 0825 010 700 Germany 01805 24 6333 0 14 minute Ireland 1890 924 204 Italy 39 02 92 60 8484 Netherlands 31 0 20 547 2111 Spain 34 91 631 3300 Sweden 0200 88 22 55 Switzerland French 44 21 8113811 Opt 2 Sw...

Page 22: ...22 2000 3000 X Series Oscilloscopes Service Guide 1 Characteristics and Specifications ...

Page 23: ...ld accuracy MSO models only 30 To verify DC vertical gain accuracy 35 To verify dual cursor accuracy 42 To verify bandwidth 3 dB 49 To verify time base accuracy 55 To verify trigger sensitivity 57 Agilent 2000 X Series Oscilloscopes Performance Test Record 63 Agilent 3000 X Series Oscilloscopes Performance Test Record 65 This chapter explains how to verify correct oscilloscope operation and perfor...

Page 24: ...d makes it easy for you to connect the oscilloscope probes to function generators and measurement equipment Let the Equipment Warm Up Before Testing For accurate test results let the test equipment and the oscilloscope warm up 30 minutes before testing Verifying Test Results During the tests record the readings in the Performance Test Record on page 63 To verify whether a test passes verify that t...

Page 25: ... Signal Generator 25 MHz 100 MHz 350 MHz 500 MHz and 1 GHz sine waves Agilent N5181A Power Meter 1 GHz 3 accuracy Agilent N1914A Power Sensor 1 GHz 3 accuracy Agilent E9304A or N8482A BNC banana cable BNC m to dual banana Pomona 2BC BNC 36 or Agilent 11001 66001 BNC cable qty 3 BNC BNC 48 length Agilent 10503A Cable Type N m 609 6 mm 24 in Agilent 11500B Probe cable No substitute Agilent N6450 600...

Page 26: ... continued Equipment Critical Specifications Recommended Model Part Number Required only for testing digital channels of oscilloscopes that have the MSO option Most parts and equipment are available at www agilent com See respective manufacturer s websites for their equipment These parts available at www parts agilent com at the time this manual was published Table 2 Conventions Models Referred to...

Page 27: ...2 On one side of the Berg strip solder a jumper wire to all of the pins shown in Figure 1 on page 28 3 On the other side of the Berg strip solder another jumper wire to all of the pins 4 Solder the center of the BNC connector to a center pin on one of the rows on the Berg strip 5 Solder the ground tab of the BNC connector to a center pin on the other row on the Berg strip Table 3 Materials require...

Page 28: ...ries Oscilloscopes Service Guide 2 Testing Performance Figure 1 Constructing the 8 by 2 Connector Jumper 2 Signal Lead from scope s MSO cable 8 x 2 Berg Strip BNC Panel Mount Connector Ground Lead from scope s MSO cable ...

Page 29: ...nels D0 D1 D2 and D3 to the Probe Comp signal on the center of the front panel 3 Press the AutoScale key If four square waves appear the acquisition system is functioning correctly If the square waves do not appear go to the Troubleshooting chapter Then return here to finish testing the digital channels 4 Disconnect the digital channels from the calibration point 5 Use steps 2 and 3 to test the fo...

Page 30: ...en to Test You should perform this test every 12 months or after 2000 hours of operation whichever comes first What to Test Use these instructions to test the threshold settings of digital channels D7 D0 Then use the same instructions to test digital channels D15 D8 on 3000 X Series Verifying Test Results After each threshold test record the voltage reading in the Performance Test Record on page 6...

Page 31: ...ct digital channels D0 D7 to one side of the BNC Tee Then connect the D0 D7 ground lead to the ground side of the 8 by 2 connector See Figure 2 Table 4 Equipment Required to Test Digital Channel Threshold Accuracy Equipment Critical Specifications Recommended Model Part Digital Multimeter 0 1 mV resolution 0 005 accuracy Agilent 34401A Oscilloscope Calibrator DC offset voltage 6 3 V Fluke 5820A BN...

Page 32: ...1 output of the calibrator as shown in Figure 2 6 On the oscilloscope press the Digital key then press the Thresholds softkey then press the D7 D0 softkey repeatedly until the check mark is next to User 7 Press the User softkey to the right of the D7 D0 softkey then turn the Entry knob on the front panel of the Probe Cables Channels 8 15 Channels 0 7 Test Connector 2000 3000 X Series Oscilloscope ...

Page 33: ...scilloscope calibrator to decrease the offset voltage in increments of 10 mV until the activity indicators for digital channels D7 D0 are all at digital low levels Record the oscilloscope calibrator voltage in the Performance Test Record see page 63 d Use the knob on the oscilloscope calibrator to increase the offset voltage in increments of 10 mV until the activity indicators for digital channels...

Page 34: ...ries MSOs use the 8 by 2 test connector to connect digital channels D15 D8 to the output of the oscilloscope calibrator 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 63 Be sure to set the thresho...

Page 35: ...loscope calibrator using the oscilloscope s Average Full Screen voltage measurement and compare the results with the multimeter reading Table 6 DC Vertical Gain Accuracy Test Limits Models Test Limits Notes 2000 X Series 3 of full scale 10 mV div 4 of full scale 10 mV div Full scale is defined as 32 mV on the 2 mV div range and the 1 mV div range Full scale on all other ranges is defined as 8 divi...

Page 36: ...t line in Table 8 or Table 9 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 Table 7 Equipment Required to Verify DC Vertical Gain Accuracy Equipment Critical Specifications Recommended Model Part Oscilloscope Calibrator 14 mV to 35 Vdc 0 1 V resolution Fluke 5820A Digital m...

Page 37: ...1 4 V 1 352 V to 1 448 V 100 mV Div 700 mV 676 mV to 724 mV 50 mV Div 350 mV 338 mV to 362 mV 20 mV Div 140 mV 135 2 mV to 144 8 mV 10 mV Div 70 mV 67 6 mV to 72 4 mV 5 mV Div1 35 mV 33 4 mV to 36 6 mV 2 mV Div1 2 14 mV 12 72 mV to 15 28 mV 1 mV Div1 2 7 mV 5 72 mV to 8 28 mV 1 A blocking capacitor is required at this range to reduce noise See Use a Blocking Capacitor to Reduce Noise on page 41 2 ...

Page 38: ...pe Calibrator Setting Test Limits 5 V Div 35 V 34 2 V to 35 8 V 2 V Div 14 V 13 68 V to 14 32 V 1 V Div 7 V 6 84 V to 7 16 V 500 mV Div 3 5 V 3 42 V to 3 58 V 200 mV Div 1 4 V 1 368 V to 1 432 V 100 mV Div 700 mV 684 mV to 716 mV 50 mV Div 350 mV 342 mV to 358 mV 20 mV Div 140 mV 136 8 mV to 143 2 mV 10 mV Div 70 mV 68 4 mV to 71 6 mV 5 mV Div1 35 mV 34 2 mV to 35 8 mV 2 mV Div1 2 14 mV 13 36 mV t...

Page 39: ...Measurement 5 Read the current average voltage value as V1 6 Use the BNC tee and cables to connect the oscilloscope calibrator power supply to both the oscilloscope and the multimeter see Figure 3 Figure 3 Setting up Equipment for DC Vertical Gain Accuracy Test Oscilloscope Oscilloscope Calibrator Digital Multimeter BNC Tee BNC f to dual bananna adapter ...

Page 40: ...alculate the difference V2 V1 The difference in average voltage readings should be within the test limits of Table 8 or Table 9 depending on the oscilloscope model If a result is not within the test limits go to the Troubleshooting chapter Then return here 12 Disconnect the oscilloscope calibrator from the oscilloscope 13 Repeat this procedure to check the DC vertical gain accuracy with the remain...

Page 41: ...te 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 If a BNC capacitor is not available use an SMA blocking capacitor adapter and cap See Blocking capacitor and shorting cap in the equipment list on page 26 for details Figure 4 Using a Blocking Capacitor to Reduce Noise To oscilloscope input BNC shorting cap Blo...

Page 42: ...is test is similar to the test for verifying the DC vertical gain except you will measure the dc voltage output of an oscilloscope calibrator using dual cursors on the oscilloscope and compare the results with the multimeter reading Dual cursor accuracy test limits DC vertical gain accuracy 0 5 full scale For the DC vertical gain accuracy test limits see Table 6 on page 35 ...

Page 43: ...Table 11 or Table 12 depending on the oscilloscope model b Adjust the channel 1 position knob to place the baseline at 0 5 major division from the bottom of the display Table 10 Equipment Required to Verify Dual Cursor Accuracy Equipment Critical Specifications Recommended Model Part Oscilloscope Calibrator 14 mV to 35 Vdc 0 1 V resolution Fluke 5820A Digital multimeter Better than 0 01 accuracy A...

Page 44: ... 1 344 V to 1 456 V 100 mV Div 700 mV 672 mV to 728 mV 50 mV Div 350 mV 336 mV to 364 mV 20 mV Div 140 mV 134 4 mV to 145 6 mV 10 mV Div 70 mV 67 2 mV to 72 8 mV 5 mV Div1 35 mV 33 2 mV to 36 8 mV 2 mV Div1 2 14 mV 12 56 mV to 15 44 mV 1 mV Div1 2 7 mV 5 56 mV to 8 44 mV 1 A blocking capacitor is required at this range to reduce noise See Use a Blocking Capacitor to Reduce Noise on page 48 2 Full ...

Page 45: ...odels Volts Div Setting Oscilloscope Calibrator Setting Test Limits 5 V Div 35 V 34 0 V to 36 0 V 2 V Div 14 V 13 6 V to 14 4 V 1 V Div 7 V 6 8 V to 7 2 V 500 mV Div 3 5 V 3 4 V to 3 6 V 200 mV Div 1 4 V 1 36 V to 1 44 V 100 mV Div 700 mV 680 mV to 720 mV 50 mV Div 350 mV 340 mV to 360 mV 20 mV Div 140 mV 136 mV to 144 mV 10 mV Div 70 mV 68 mV to 72 mV 5 mV Div1 35 mV 34 mV to 36 mV 2 mV Div1 2 14...

Page 46: ... see Figure 5 Figure 5 Setting up Equipment for Dual Cursor Accuracy Test 6 Adjust the output so that the multimeter reading displays the first Volts div calibrator setting value in Table 11 or Table 12 depending on the oscilloscope model 7 Disconnect the multimeter 8 Wait until the measurement settles Oscilloscope Oscilloscope Calibrator Digital Multimeter BNC Tee BNC f to dual bananna adapter ...

Page 47: ...its of Table 11 or Table 12 depending on the oscilloscope model If a result is not within the test limits go to the Troubleshooting chapter Then return here 10 Disconnect the oscilloscope calibrator from the oscilloscope 11 Repeat this procedure to check the dual cursor accuracy with the remaining Volts div setting values in Table 11 or Table 12 depending on the oscilloscope model 12 Finally repea...

Page 48: ...te the noise add a BNC Tee blocking capacitor and shorting cap at the oscilloscope channel input to shunt the noise to ground See Figure 6 If a BNC capacitor is not available use an SMA blocking capacitor adapter and cap See Blocking capacitor and shorting cap in the equipment list on page 26 for details Figure 6 Using a Blocking Capacitor to Reduce Noise To oscilloscope input BNC shorting cap Blo...

Page 49: ...ll use a signal generator and a power meter Table 13 Bandwidth 3 dB Test Limits Models Test Limits 1 GHz Models All channels 3 dB dc to 1 GHz 500 MHz Models All channels 3 dB dc to 500 MHz 350 MHz Models All channels 3 dB dc to 350 MHz 200 MHz Models All channels 3 dB dc to 200 MHz 100 MHz Models All channels 3 dB dc to 100 MHz 70 MHz Models All channels 3 dB dc to 70 MHz ...

Page 50: ...e 14 Equipment Required to Verify Bandwidth 3 dB Equipment Critical Specifications Recommended Model Part Signal Generator 100 kHz 1 GHz at 200 mVrms Agilent N5181A Power Meter 1 MHz 1 GHz 3 accuracy Agilent N1914A Power Sensor 1 MHz 1 GHz 3 accuracy Agilent E9304A or N8482A Power Splitter outputs differ by 0 15 dB Agilent 11667A Cable Type N m 24 inch Agilent 11500B Adapter Type N m to BNC m Agil...

Page 51: ...or Bandwidth 3 dB Verification Test 2 Set up the power meter Set the power meter to display measurements in units of watts 3 Set up the oscilloscope a Press the Default Setup key b Set channel 1 Coupling to DC Power Splitter Power Sensor Signal Generator Oscilloscope Power Meter N Cable N to BNC Adapter ...

Page 52: ...ut five cycles at six divisions amplitude 5 Set up the Amplitude measurement a Press the Meas key b Press the Clear Meas softkey and then the Clear All softkey c Press the Type softkey and use the Entry knob to select AC RMS Full Screen Std Deviation within the select menu d Press the Add Measurement softkey 6 Note the oscilloscope AC RMS FS 1 reading at the bottom of the screen This is the RMS va...

Page 53: ...quency value on the calibration chart on the power sensor 11 Set the oscilloscope sweep speed according to the following 1 GHz Models 500 ps div 500 MHz Models 1 ns div 350 MHz Models 2 ns div 200 MHz Models 2 ns div 100 MHz Models 5 ns div 70 MHz Models 5 ns div 12 Note the oscilloscope Std Dev 1 reading at the bottom of the screen 13 Note the reading on the power meter and covert to Vrms using t...

Page 54: ...ween 3 0 dB and 3 0 dB Record the result in the Performance Test Record see page 63 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 18 Repeat steps 3 through 17 for the remaining channels setting the parameters of the channel being tested where appropriate response dB 20 log10 mV 211 2 mV 210 4...

Page 55: ...s oscilloscopes also connect a 50 ohm feedthrough termination between the channel 1 input and the BNC cable 3 Set up the oscilloscope a Press AutoScale b Set the oscilloscope Channel 1 vertical sensitivity to 200 mv div c Set the oscilloscope horizontal sweep speed control to 5 ns div d Adjust the intensity to get a sharp clear trace Table 15 Equipment Required to Verify Time Base Accuracy Equipme...

Page 56: ...e control CCW c Set the oscilloscope horizontal sweep speed control to 5 ns div d Record the number of nanoseconds from where the rising edge crosses the center horizontal grid line to the center vertical grid line The number of nanoseconds is equivalent to the time base error in ppm e Use the date code on the oscilloscope s serial tag to calculate the number of years since manufacture Include any...

Page 57: ...ivity on all models 10 mV div greater of 1 div or 5 mVpp 10 mV div 0 6 div External trigger sensitivity on all models DC to 100 MHz 200 mVpp 100 MHz 200 MHz 350 mVpp Table 16 Equipment Required to Verify Trigger Sensitivity Equipment Critical Specifications Recommended Model Part Signal Generator 25 MHz 100 MHz 350 MHz 500 MHz and 1 GHz sine waves Agilent N5181A Powersplitter Outputs differ 0 15 d...

Page 58: ...nnect the signal generator output to the oscilloscope channel 1 input Figure 8 Setting Up Equipment for Internal Trigger Sensitivity Test b With 2000 X Series oscilloscopes connect a 50 ohm feedthrough termination between the channel 1 input and the BNC cable With 3000 X Series oscilloscopes set channel 1 Imped to 50 Ohm 4 To verify the trigger sensitivity at the oscilloscope s maximum bandwidth s...

Page 59: ... mVpp is displayed The trigger is stable when the displayed waveform is stable If the trigger is not stable try adjusting the trigger level If adjusting the trigger level makes the trigger stable the test still passes If adjusting the trigger does not help see the Troubleshooting chapter Then return here f Record the result as Pass or Fail in the Performance Test Record see page 63 g Repeat this s...

Page 60: ...e result as Pass or Fail in the Performance Test Record see page 63 g Repeat this step for the remaining oscilloscope channels Test External Trigger Sensitivity This test applies to all models Verify the external trigger sensitivity at these settings 100 MHz 200 mVpp 200 MHz 350 mVpp 1 Connect the equipment see Figure 9 a Use the N cable to connect the signal generator to the power splitter input ...

Page 61: ... X Series Oscilloscopes Service Guide 61 Figure 9 Setting Up Equipment for 4 Channel External Trigger Sensitiv ity Test Power Splitter Power Sensor Signal Generator Oscilloscope Power Meter N Cable N to BNC Adapter 50 Ohm Feedthrough ...

Page 62: ...l generator output for reading on the power meter of 6 Press the Trigger key then press the Source softkey to set the trigger source to External 7 Check for stable triggering and adjust the trigger level if necessary Triggering is indicated by the Trig d indicator at the top of the display When it is flashing the oscilloscope is not triggered When it is not flashing the oscilloscope is triggered 8...

Page 63: ...hannel 1 Channel 2 Channel 3 Channel 4 5 V Div 35 V 33 8 V to 36 2 V ________ ________ ________ ________ 2 V Div 14 V 13 52 V to 14 48 V ________ ________ ________ ________ 1 V Div 7 V 6 76 V to 7 24 V ________ ________ ________ ________ 500 mV Div 3 5 V 3 38 V to 3 62 V ________ ________ ________ ________ 200 mV Div 1 4 V 1 352 V to 1 448 V ________ ________ ________ ________ 100 mV Div 700 mV 67...

Page 64: ... ________ ________ ________ ________ 2 mV Div 14 mV 12 56 mV to 15 44 mV ________ ________ ________ ________ 1 mV Div 7 mV 5 56 mV to 8 44 mV ________ ________ ________ ________ Bandwidth 3 dB Model Test Limits Channel 1 Channel 2 Channel 3 Channel 4 202x 3 dB at 200 MHz ________ ________ ________ ________ 201x 3 dB at 100 MHz ________ ________ ________ ________ 200x 3 dB at 70 MHz ________ ______...

Page 65: ...wer Supply Setting Test Limits Channel 1 Channel 2 Channel 3 Channel 4 5 V Div 35 V 34 2 V to 35 8 V ________ ________ ________ ________ 2 V Div 14 V 13 68 V to 14 32 V ________ ________ ________ ________ 1 V Div 7 V 6 84 V to 7 16 V ________ ________ ________ ________ 500 mV Div 3 5 V 3 42 V to 3 58 V ________ ________ ________ ________ 200 mV Div 1 4 V 1 368 V to 1 432 V ________ ________ ______...

Page 66: ...______ ________ ________ 1 mV Div 7 mV 6 2 mV to 7 8 mV ________ ________ ________ ________ Bandwidth 3 dB Model Test Limits Channel 1 Channel 2 Channel 3 Channel 4 310x 3 dB at 1 GHz ________ ________ ________ ________ 305x 3 dB at 500 MHz ________ ________ ________ ________ 303x 3 dB at 350 MHz ________ ________ ________ ________ 302x 3 dB at 200 MHz ________ ________ ________ ________ 301x 3 dB...

Page 67: ...lp determine if you need shorter adjustment intervals Let the Equipment Warm Up Before Adjusting Before you start the adjustments let the oscilloscope and test equipment warm up for at least 30 minutes Read All Cautions and Warnings Read the following cautions and warning before making adjustments or performing self calibration WARNING HAZARDOUS VOLTAGES Read the safety notice at the front of this...

Page 68: ...th heat sinks on them Air flow over the samplers is reduced when the cover and main shield is removed which leads to higher than normal operating temperatures Have the fan blow air across the system board where the heat sinks are located If the cover is removed but the main shield remains installed and the bottom holes are not blocked the instrument will cool properly CAUTION AVOID DAMAGE TO ELECT...

Page 69: ...fect channel sensitivity offset and trigger parameters Disconnect all inputs and allow the oscilloscope to warm up before performing this procedure Performing User Cal will invalidate your Certificate of Calibration If NIST National Institute of Standards and Technology traceability is required perform the procedures in Chapter 2 in this book using traceable sources To perform User Cal 1 Disconnec...

Page 70: ...en 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 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 Longer cable To Channel 1 To Channel 2 to TRIG OU...

Page 71: ... Calibration cable for 4 channel oscilloscope 4 Connect a BNC cable 40 inches maximum from the TRIG OUT connector on the rear panel to the BNC barrel connector 5 Press the Utility key then press the Service softkey 6 Begin the Self Cal by pressing the Start User Cal softkey Longer cable to TRIG OUT To Channel 3 To Channel 2 To Channel 1 To Channel 4 ...

Page 72: ...tkey 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 Results User Cal date Change in temperature since last User Cal Failure Comments Probe Cal Status ...

Page 73: ...e trace display is unusual or unexpected If you cannot see a channel Next this chapter describes procedures for Verifying Basic Operation of the oscilloscope To power on the oscilloscope To perform hardware self test To perform front panel self test To verify default setup To perform an Auto Scale on the Probe Comp signal To compensate passive probes Finally this chapter describes procedures for T...

Page 74: ...pply DC output To check the display supplies To check the keyboard supplies To check the fan Solving General Problems with the Oscilloscope This section describes how to solve general problems that you may encounter while using the Agilent 2000 3000 X Series oscilloscopes After troubleshooting the oscilloscope if you need to replace parts refer to Chapter 6 Replaceable Parts starting on page 145 I...

Page 75: ...if necessary If the trace display is unusual or unexpected Check that the Horizontal time division setting is correct for the expected frequency range of the input signals The sampling speed of the oscilloscope depends on the time division setting It may be that when time division is set to slower speeds the oscilloscope is sampling too slowly to capture all of the transitions on the waveform Use ...

Page 76: ...tached to the oscilloscope s input connector Check that the probe clips are securely connected to points in the circuit under test Check that the circuit under test is powered on You may have pressed the Auto Scale key before an input signal was available Performing the checks listed here ensures that the signals from the circuit under test will be seen by the oscilloscope Perform the remaining ch...

Page 77: ... turned on the front panel LEDs will briefly light up in groups from bottom to top Next the Agilent logo appears on the display Next a message will appear with tips on getting started using the oscilloscope At this time you can press any key to remove the message and view the display Or you can wait and the message will automatically disappear It will take a total of about 20 30 seconds for the os...

Page 78: ...oscope failure To verify proper operation after the oscilloscope has been repaired 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...

Page 79: ...e to its default settings and places the oscilloscope in a known operating condition The major default settings are Horizontal main mode 100 us div scale 0 s delay center time reference Vertical Channel 1 on 5 V div scale dc coupling 0 V position probe factor to 1 0 if an AutoProbe probe is not connected to the channel Trigger Edge trigger Auto sweep mode 0 V level channel 1 source dc coupling ris...

Page 80: ...lly different replace the system board 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 3 Connect the probe s ground lead to the ground terminal that is next to the Demo 2 Probe Comp terminal 4 Press AutoScale ...

Page 81: ... waveform ensure your power source is adequate the oscilloscope is properly powered on and the probe is connected securely to the front panel analog channel input BNC and to the Demo 2 Probe Comp terminal 6 If you still do not see the waveform use the troubleshooting flowchart in this chapter to isolate the problem To compensate passive probes You should compensate your passive probes to match the...

Page 82: ...e trimmer capacitor on the probe for the flattest pulse possible On the N2862 63 90 probes the trimmer capacitor is the yellow adjustment on the probe tip On other probes the trimmer capacitor is located on the probe BNC connector Figure 13 Example pulses 5 Connect probes to all other oscilloscope channels channel 2 of a 2 channel oscilloscope or channels 2 3 and 4 of a 4 channel oscilloscope 6 Re...

Page 83: ...ck that the assembly is supplied with the proper power If cables are good and the power is good but the assembly still does not function properly it must be replaced If you need parts or assistance from Agilent Technologies to repair your instrument go to www agilent com and locate the service facility for your area Equipment Required for Troubleshooting Internal Assemblies The equipment listed in...

Page 84: ...the power cord removed from the oscilloscope Read the safety notice at the back of this book before proceeding WARNING HAZARDOUS VOLTAGES EXIST HIGH VOLTAGE IS PRESENT ON POWER SUPPLY HEAT SINKS The power supply heat sinks of the 2000 3000 X Series oscilloscopes are at a high potential This presents an electric shock hazard Protect yourself from electric shock by keeping this area covered or by no...

Page 85: ... Because of the short length of the interboard supply cable elevate the rear deck to prevent strain on the cable 7 Make sure the keyboard cable display cable display backlight power cable and all other cables are properly connected CAUTION MAKE SURE EARTH GROUND IS MAINTAINED FOR THE FRONT DECK For example connect a cable with alligator clips between the rear deck chassis and the front deck chassi...

Page 86: ...heat sinks Air flow over the heat sinks is reduced when the cover and main shield are removed which leads to higher than normal operating temperatures Have the fan blow air across the system board where the heat sinks are located Otherwise damage to the components can occur If the cover of a 2000 3000 X Series oscilloscope is removed but the main shield remains installed and the bottom holes are n...

Page 87: ...troubleshooting the oscilloscope s internal assemblies Start System Board Voltages Okay No Yes Interboard Supply Voltages Okay No Yes Power Supply Voltages Okay No Yes Display Keybd Supplies Okay No Yes End Fan Okay No Yes Replace Power Supply or Line Filter Board Replace Line Filter Board Replace Fan or Line Filter Board Replace Keyboard or Display Replace System Board ...

Page 88: ...scopes Service Guide 4 Troubleshooting System Board Drawings Use these drawings to locate test points on the 350 MHz 500 MHz and 1 GHz bandwidth oscilloscopes system board Figure 15 System Board Test Points Connectors Top Side Left ...

Page 89: ...Troubleshooting 4 2000 3000 X Series Oscilloscopes Service Guide 89 Figure 16 System Board Test Points Connectors Top Side Right ...

Page 90: ...heck the bulk power supply voltage 5 Next check the supplies coming from the line filter board Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP13V 13 V 3 All Indicates power supply is good Go to To check the interboard supply connector voltages on page 91 and check VP13V there Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP5V 5 V 3 Keyboard Syst...

Page 91: ...4 2 Connect the negative lead of the multimeter to a ground point on the oscilloscope 3 With the power cord disconnected disconnect the interboard supply cable from the system board and the line filter board 4 Connect the power cord and turn on the oscilloscope Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VM12V 11 5 V to 12 5 V System Board Indicates supply coming from s...

Page 92: ...0 8 2 5 10 7 4 8 19 16 13 3 18 1 15 9 6 11 14 17 2 0 12 Cable Int erboard Header Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP13V 13 V 3 Whole system If good when the interboard supply cable is disconnected from the system board but bad when the interboard supply cable is connected this indicates a problem with either the cable or the assemblies supplied 1 First test t...

Page 93: ...age measurement Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP5V 5 V 3 Keyboard System Board Go to To check the keyboard supplies on page 98 Replace the line filter board VP12V 12 V 3 System Board If good when the interboard supply cable is disconnected from the system board but bad when the interboard supply cable is connected this indicates a problem with either the c...

Page 94: ...e AC mains portion of the line filter assembly is probably okay If there is no AC power at J1 of the power supply there is something wrong with the AC mains section of the line filter assembly and you need to replace the line filter assembly If there is AC power at J1 of the power supply but the instrument still will not power ON when the power switch S100 is in the ON position go to To check the ...

Page 95: ...ower cord disconnected verify the operation of the power switch S100 using a DMM in the resistance measurement mode and a set of probes a Connect the side of the DMM to pin 6 of J107 on the line filter board and the side of the DMM to pin 6 of J6 on the power supply Figure 19 Verify power switch operation With S100 in the OFF position switch contacts closed you should measure less than 1 ohm of re...

Page 96: ...e power supply DC output This procedure checks the power supply DC output after verifying the AC input is good and checking the power switch operation 1 Follow the instructions in To prepare for internal assembly troubleshooting on page 84 2 Connect the negative lead of the multimeter to a ground point on the oscilloscope 3 With the power cord disconnected a Disconnect the DC supply cable that is ...

Page 97: ...h S100 and you must replace the line filter assembly To check the display supplies This procedure checks the display supply voltages on the system board test points when the display backlight power cable and the display cable are disconnected If one or both of these voltages are bad when the cables are connected but good when the cables are disconnected it indicates problems with the display assem...

Page 98: ... 2 Connect the negative lead of the multimeter to a ground point on the oscilloscope Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP23V 22 84 V to 24 2 V Display Backlight Power Replace the display assembly Replace the system board VP3V3 3 3 V 3 LCD System Board If good when the display cable is disconnected from the system board but bad when the display cable is connect...

Page 99: ...prepare for internal assembly troubleshooting on page 84 2 Disconnect the fan cable from the line filter board 3 Connect the power cord and turn on the oscilloscope Test Point near J3701 Expected Value Assemblies Supplied If Good If Bad VP5V 5 V 3 Keyboard System Board If good when the keyboard cable is disconnected from the system board but bad when the keyboard cable is connected this indicates ...

Page 100: ...e the following figure for the location of the fan connector 5 If the fan voltage is approximately 6 5 Vdc at room temperature replace the fan If the fan voltage is not approximately 6 5 Vdc replace the line filter board The proper voltage range depending on temperature is between 6 5 Vdc to 8 5 Vdc Figure 20 Location of the Fan Connector ...

Page 101: ...ly after you have removed an old one follow the instructions in reverse order The parts shown in the following figures are representative and may look different from what you have in your oscilloscope Instructions for removable assemblies include To remove the front panel knobs 104 To remove the bucket assembly 105 To remove the power supply 136 To remove the rear deck assembly 110 To remove the a...

Page 102: ...ng and replacing any assemblies in the oscilloscope WARNING HAZARDOUS VOLTAGES Read the safety summary at the back of this book before proceeding Maintenance is performed with power supplied to the oscilloscope and with the protective covers removed Only trained service personnel who are aware of the hazards involved should perform the maintenance Whenever possible perform the procedures with the ...

Page 103: ... replace assemblies while the oscilloscope is turned on or damage to the components can occur CAUTION AVOID DAMAGE TO ELECTRONIC COMPONENTS ELECTROSTATIC DISCHARGE ESD can damage electronic components When doing any of the procedures in this chapter use proper ESD precautions As a minimum you should place the instrument on a properly grounded ESD mat and wear a properly grounded ESD strap ...

Page 104: ...cing Assemblies To remove the front panel knobs The front panel knobs must be removed prior to localized front panel overlay installation or front panel disassembly 1 Gently pull on the front panel knobs to remove them Figure 21 Removing the front panel knobs ...

Page 105: ...ssembly gives you access to the rear deck fan assembly power supply cover power supply assembly and power switch assembly 1 Using T20 TORX driver remove the four screws securing the bucket assembly to rear deck assembly You must open the storage compartment lid to access one of the screws Figure 22 Removing the bucket screws ...

Page 106: ...106 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies 2 Carefully slide bucket assembly back away from rear deck assembly Figure 23 Removing bucket assembly ...

Page 107: ... 107 To remove the power supply shield 1 Using a TORX T10 driver locate and remove the screw securing the power supply shield to the rear deck Figure 24 Removing the power supply shield screw WARNING Sheet metal parts may have sharp edges Handle with care to avoid injury ...

Page 108: ...ssemblies 2 When the screw has been removed unclip the right side of the shield from the rear deck Figure 25 Unclipping the power supply shield right side 3 When the screw has been removed and the shield has been unclipped carefully remove the shield by lifting the ...

Page 109: ...lacing Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 109 cover upward and then pulling its tabs out of the slots on the rear deck Figure 26 Removing the power supply shield lift and pull out ...

Page 110: ... remove the rear deck assembly Removing the rear deck allows access to the front deck and acquisition board 1 Remove BNC securing nuts and washers Figure 27 Removing the BNC nuts and washers 2 Using a T10 TORX driver locate and remove all screws securing rear deck to front deck ...

Page 111: ...Replacing Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 111 Figure 28 Removing the top rear deck screws Figure 29 Removing the bottom right rear deck screw ...

Page 112: ...112 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies Figure 30 Removing the bottom left rear deck screw Figure 31 Removing the bottom rear deck screws ...

Page 113: ...0 X Series Oscilloscopes Service Guide 113 Figure 32 Removing the option module guide to acquisition board screw 3 If the power supply shield has not already been removed do that now See To remove the power supply shield on page 107 ...

Page 114: ...vice Guide 5 Replacing Assemblies 4 Disconnect the interboard supply cable from the acquisition board You may need to use a screwdriver to pry the connector latch Figure 33 Disconnecting the interboard supply cable from the acquisi tion board ...

Page 115: ...g Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 115 5 Carefully separate the rear deck from the front deck a Lift the front bezel latch that holds the rear deck Figure 34 Lifting front bezel latch ...

Page 116: ...oscopes Service Guide 5 Replacing Assemblies b Carefully separate the rear deck from the front deck Take care not to damage the extender switch Figure 35 Separating the rear and front decks Figure 36 Rear and front decks separated ...

Page 117: ...vice Guide 117 To remove the acquisition board These steps describes how to remove the acquisition board 1 Using a TORK T6 driver locate and remove the 4 screws on the front of the instrument 4 Channel version Figure 37 Removing the T6 screws 4 channel version ...

Page 118: ...eplacing Assemblies 2 Disconnect keyboard display and display backlight power cables For the keyboard and display cables flip up the connector clamp then slide the ribbon cables out Figure 38 Disconnecting keyboard and display cables from acquisition board ...

Page 119: ...Oscilloscopes Service Guide 119 For the display backlight power cable slide the connector clamp toward the top of the acquisition board then slide the ribbon cable out Figure 39 Disconnecting display backlight power cable from acquisition board ...

Page 120: ...Oscilloscopes Service Guide 5 Replacing Assemblies 3 Using a TORX T10 driver locate and remove 13 mounting screws Figure 40 Acquisition board mounting screw locations 4 Carefully lift the acquisition board off the front deck ...

Page 121: ...Replacing Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 121 Figure 41 Acquisition board removed from front deck ...

Page 122: ...d in retaining clips located around the perimeter of the bezel Gently pry the retaining clips outward either by hand or using a flat head screwdriver Work your way around the bezel releasing the clips and gently lifting the front deck away from the bezel Figure 42 Release the bezel clips from the front deck WARNING Thin sheet metal parts may have sharp edges Handle with care to avoid injury ...

Page 123: ...Replacing Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 123 Figure 43 All bezel clips released Figure 44 HINT When reinstalling bezel align ground terminal first ...

Page 124: ...ries Oscilloscopes Service Guide 5 Replacing Assemblies 2 When all the bezel clips are released gently lift the front deck away from the bezel and disconnect the keyboard cable Figure 45 Gently lift front deck from bezel ...

Page 125: ... 2000 3000 X Series Oscilloscopes Service Guide 125 Flip up the keyboard cable connector clamp then slide the ribbon cable out Figure 46 Disconnect the keyboard cable 3 Remove the softkey board cable from the keyboard board ...

Page 126: ...126 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies Slide the connector clamp toward the softkey board then slide the ribbon cable out Figure 47 Disconnect the softkey board cable ...

Page 127: ... Series Oscilloscopes Service Guide 127 4 To separate the softkey board from the bezel carefully pull back locking tabs that secure it Figure 48 Unclip the softkey board from the bezel Figure 49 Remove the softkey keypad from the bezel ...

Page 128: ...s Service Guide 5 Replacing Assemblies 5 To separate the keyboard board from the bezel carefully pull back locking tabs that secure it Figure 50 Unclip the keyboard board from the bezel Figure 51 Remove the keyboard keypad from the bezel ...

Page 129: ...bly Before you can remove and replace the display assembly you must remove the front panel assembly See To remove the front panel assembly on page 122 1 Using a TORX T10 remove the four screws that secure the display to the front deck Figure 52 Removing the display assembly WARNING Thin sheet metal parts may have sharp edges Handle with care to avoid injury ...

Page 130: ...130 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies Take care while threading display cables thru front deck sheet metal openings Figure 53 Display assembly removed ...

Page 131: ...the retaining screws If the 75019 68712 display assembly needs to be replaced it is replaced with 75019 68707 display assembly 75019 47103 cable guide inserted into the front deck to separate the display and keyboard cables Also you must retreive the 40 pin display cable 75019 61606 from the 75019 68712 display assembly and reuse it with the 75019 68707 display assembly The smaller display backlig...

Page 132: ...in display cable 1 Once the 75019 68712 display assembly has been removed use a TORX T10 remove the two screws that secure the display to its mounting bracket Figure 55 Disassembling the 75019 68712 display assembly 2 Carefully separate the upper and lower halves of the display mounting bracket ...

Page 133: ...00 X Series Oscilloscopes Service Guide 133 Figure 56 Separating the 75019 68712 display mounting bracket 3 Flip up the 40 pin connector s lid and remove the 75019 61606 display cable Figure 57 Removing the 75019 61606 display cable ...

Page 134: ...0 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies To remove the fan assembly 1 Ensure that fan power cable has been disconnected from acquisition board Figure 58 Disconnecting fan power cable ...

Page 135: ...Carefully slide fan assembly fan and fan mount to the right then lift away from rear deck Note fan mount is soft and can be damaged by sharp sheet metal edges Take care that the fan power cable is not damaged when pulling across sheet metal edges Figure 59 Removing fan assembly ...

Page 136: ...136 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies To remove the power supply 1 Disconnect all cables from power supply board Figure 60 Disconnecting the AC cable ...

Page 137: ...ng Assemblies 5 2000 3000 X Series Oscilloscopes Service Guide 137 Figure 61 Disconnecting the interboard supply cable from the line filter board Figure 62 Disconnecting the DC cable from the line filter board ...

Page 138: ...000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies 2 Using a TORX T10 driver locate and remove the four screws securing the power supply assembly to the rear deck Figure 63 Removing the power supply ...

Page 139: ...mblies 5 2000 3000 X Series Oscilloscopes Service Guide 139 To remove the line filter board 1 Disconnect all cables on the line filter board 2 Remove the option module guide Figure 64 Removing the option module guide ...

Page 140: ...140 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies 3 Disconnect the ground wire from its chassis terminal Figure 65 Disconnecting the ground wire ...

Page 141: ...es 5 2000 3000 X Series Oscilloscopes Service Guide 141 4 Using a TORX T10 driver locate and remove the three screws screws securing the line filter board to the rear deck Figure 66 Removing the line filter board screws ...

Page 142: ... Oscilloscopes Service Guide 5 Replacing Assemblies 5 Slide the line filter board out of the slots in the rear deck Take care that you do not damage the switch extender during removal Figure 67 Removing the line filter board ...

Page 143: ... Series Oscilloscopes Service Guide 143 6 To remove the switch extender gently pry open the extender using a flat head screwdriver Figure 68 Removing the power switch extender CAUTION Twisting the latch too much could cause it to break ...

Page 144: ...144 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies ...

Page 145: ...arts This chapter describes how to order replaceable assemblies and parts for the Agilent 2000 3000 X Series oscilloscopes Diagrams and parts lists are included for assemblies and hardware that you can order Before working on the oscilloscope read the safety summary at the back of this book ...

Page 146: ...ber a description of the part including its function and the number of parts required Address the order to the nearest Agilent Technologies Sales Office Direct Mail Order System Within the USA Agilent Technologies can supply parts through a direct mail order system There are several advantages to this system Direct ordering and shipping from the Agilent Technologies parts center in California USA ...

Page 147: ...llows the customer to exchange a faulty assembly with one that has been repaired calibrated and performance verified by the factory The cost is significantly less than that of a new part The exchange parts have a part number in the form XXXXX 695XX After receiving the repaired exchange part from Agilent Technologies a United States customer has 30 days to return the faulty assembly For orders not ...

Page 148: ...tion 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 Figure 69 Exploded View 1 of 2 MP10 MP1 MP7 A3 W1 A4 MP9 W4 W3 MP12 MP8 MP6 MP33 MP2 MP4 MP3 A7 ...

Page 149: ...Replaceable Parts 6 2000 3000 X Series Oscilloscopes Service Guide 149 Figure 70 Exploded View 2 of 2 MP12 MP1 MP34 MP26 A6 MP29 MP30 A5 MP27 MP25 A2 MP29 MP35 ...

Page 150: ...00 MHz exchange 75016 68801 1 Oscilloscope 3000 X Series 2 Ch 100 200 MHz 75016 69801 1 Oscilloscope 3000 X Series 2 Ch 100 200 MHz exchange 75017 68801 1 Oscilloscope 3000 X Series 4 Ch 100 200 MHz 75017 69801 1 Oscilloscope 3000 X Series 4 Ch 100 200 MHz exchange A2 75018 66503 1 Acquisition board 3000 X Series 2 Ch 350 500 MHz A2 75018 69503 1 Acquisition board 3000 X Series 2 Ch 350 500 MHz ex...

Page 151: ...Washer LK Intl T 1 2 In 505 IN ID for BNCs not shown H3 0515 0374 37 Screw Machine with Crest Cup Con Washer Pan HD Torx T10 M3X0 5 10mm LG SST 300 Passivated not shown H4 0515 0658 4 8 Screw Machine w Crest Cup Con Wshr Pan HD TORX T6 M2X0 4 6mm LG SST 300 Passivated not shown qty 4 for 2 Ch qty 8 for 4 Ch H6 0515 0380 4 Screw Machine W Crest Cup Con Washer Pan HD Torx T20 M4X0 7 10mm LG SST 300 ...

Page 152: ...Label MSO X 3014A MP1 75019 94308 1 ID Label DSO X 3024A MP1 75019 94309 1 ID Label MSO X 3024A MP1 75016 94301 1 ID Label DSO X 3032A MP1 75016 94302 1 ID Label MSO X 3032A MP1 75017 94301 1 ID Label DSO X 3034A MP1 75017 94302 1 ID Label MSO X 3034A MP1 75018 94301 1 ID Label DSO X 3052A MP1 75018 94302 1 ID Label MSO X 3052A MP1 75019 94301 1 ID Label DSO X 3054A MP1 75019 94307 1 ID Label MSO ...

Page 153: ...94303 1 Front Keyboard Label 4 Channel MP7 75019 60201 1 Panel Bezel Assembly MP8 75019 41901 1 Keyboard Keypad MP9 75019 41902 1 Softkey Keypad MP12 75019 00101 1 Front Deck MP14 75019 47103 1 Cable Guide MP27 75019 00102 1 Rear Deck MP25 75019 44701 1 Fan Mount MP26 3160 4343 1 Fan MP28 75019 43901 1 Extender Power Switch MP29 75019 00602 1 Power Supply Shield MP30 75019 64401 1 Bucket Assembly ...

Page 154: ...25 Overlay Spanish 2 channel MP33 75019 94318 Overlay German 4 channel MP33 75019 94326 Overlay German 2 channel MP33 75019 94319 Overlay Portuguese 4 channel MP33 75019 94327 Overlay Portuguese 2 channel MP33 75019 94320 Overlay Simplified Chinese 4 channel MP33 75019 94328 Overlay Simplified Chinese 2 channel MP33 75019 94321 Overlay Korean 4 channel MP33 75019 94329 Overlay Korean 2 channel MP3...

Page 155: ...er cord 0 1 Part number varies by country Contact your local Agilent sales office for replacement N2862B Passive Probe 10 1 150 MHz N2863B Passive Probe 10 1 300 MHz N2890A Passive Probe 10 1 500 MHz MP10 75019 44108 Protective Cover Assembly Not shown 75019 68705 LAN Module Not shown 75019 68706 GPIB Module Not shown N6456 60001 Rack Mount Kit for 2000 3000 X Series Oscilloscope Table 18 Replacea...

Page 156: ...156 2000 3000 X Series Oscilloscopes Service Guide 6 Replaceable Parts ...

Page 157: ...at are described under Safety Symbols Warnings Before turning on the instrument you must connect the protective earth terminal of the instrument to the protective conductor of the mains power cord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact You must not negate the protective action by using an extension cord power cable without a protective con...

Page 158: ...of rendering first aid and resuscitation is present 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 co...

Page 159: ...truction manual symbol the product is marked with this symbol when it is necessary for you to refer to the instruction manual in order to protect against damage to the product Hazardous voltage symbol Earth terminal symbol Used to indicate a circuit common connected to grounded chassis ...

Page 160: ...160 2000 3000 X Series Oscilloscopes Service Guide Safety Notices ...

Page 161: ... 42 E equipment test 25 exchange assemblies 147 exploded view front panel 148 instrument 149 F fan assembly removal 134 front panel exploded view 148 removal 110 front panel self test 78 H hardware self test 78 I internal self tests 78 K keyboard removal 117 L LED startup sequence 77 lid removal 105 line filter board removal 139 M making test connector 27 measurement category 17 definitions 17 N N...

Page 162: ...78 specifications 20 startup sequence 77 status User Cal 72 status user cal 69 storage lid removal 105 T test connector constructing 27 digital channels 29 equipment 25 points power 88 89 record 63 65 threshold accuracy digital channel 30 test diagram 32 trace display problem solving 75 transient withstand capability 18 trigger sensitivity 57 sensitivity external 60 sensitivity internal 58 trouble...

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