Keysight InfiniiVision 2000 X Series Service Manual Download Page 5

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Summary of Contents for InfiniiVision 2000 X Series

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

Page 2: ...tomers under its standard commercial license which is embodied in its End User License Agreement EULA a copy of which can be found at www keysight com find sweula The license set forth in the EULA rep...

Page 3: ...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...

Page 4: ...ation 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...

Page 5: ...gory 14 Measurement Category Definitions 14 Transient Withstand Capability 15 Environmental Conditions 16 Specifications 17 Contact us 18 2 Testing Performance Overview 20 List of Test Equipment 21 Co...

Page 6: ...Series Oscilloscopes Performance Test Record 53 Keysight 3000 X Series Oscilloscopes Performance Test Record 55 3 Calibrating and Adjusting User Calibration 59 To perform User Cal 59 User Cal Status...

Page 7: ...o compensate passive probes 69 5 Replacing Assemblies 6 Replaceable Parts Ordering Replaceable Parts 74 Listed Parts 74 Unlisted Parts 74 Direct Mail Order System 74 Exchange Assemblies 75 Exploded Vi...

Page 8: ...8 2000 3000 X Series Oscilloscopes Service Guide Contents...

Page 9: ...ent for Dual Cursor Accuracy Test 38 Figure 6 Using a Blocking Capacitor to Reduce Noise 39 Figure 7 Setting Up Equipment for Bandwidth 3 dB Verification Test 41 Figure 8 Setting Up Equipment for Inte...

Page 10: ...10 2000 3000 X Series Oscilloscopes Service Guide Figures...

Page 11: ...8 Settings Used to Verify DC Vertical Gain Accuracy 2000 X Series Models 31 Table 9 Settings Used to Verify DC Vertical Gain Accuracy 3000 X Series Models 32 Table 10 Equipment Required to Verify Dua...

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

Page 13: ...of characteristics and specifications for the Keysight InfiniiVision 2000 3000 X Series oscilloscopes For a full list of Keysight InfiniiVision 2000 3000 X Series oscilloscopes characteristics and sp...

Page 14: ...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...

Page 15: ...862A B or N2863A B 10 1 probe 300 Vrms CAUTION Do not exceed 5 Vrms in 50 mode 3000 X Series oscilloscopes only Input protection is enabled in 50 mode and the 50 load will disconnect if greater than 5...

Page 16: ...nd 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...

Page 17: ...tics To download a copy of the data sheet please visit www keysight com find 2000X Series or www keysight com find 3000X Series Or go to the Keysight home page at www keysight com and search for 2000...

Page 18: ...sia 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...

Page 19: ...accuracy MSO models only 26 To verify DC vertical gain accuracy 30 To verify dual cursor accuracy 35 To verify bandwidth 3 dB 40 To verify time base accuracy 45 To verify trigger sensitivity 47 Keysig...

Page 20: ...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...

Page 21: ...MHz and 1 GHz sine waves Keysight N5181A Power Meter 1 GHz 3 accuracy Keysight N1914A Power Sensor 1 GHz 3 accuracy Keysight E9304A or N8482A BNC banana cable BNC m to dual banana Pomona 2BC BNC 36 or...

Page 22: ...tions 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 keysight com See respective manuf...

Page 23: ...On one side of the Berg strip solder a jumper wire to all of the pins shown in Figure 1 on page 24 3 On the other side of the Berg strip solder another jumper wire to all of the pins 4 Solder the cen...

Page 24: ...ies 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...

Page 25: ...els 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...

Page 26: ...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...

Page 27: ...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 Threshol...

Page 28: ...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...

Page 29: ...e the offset voltage in increments of 10 mV until the activity indicators for digital channels D7 D0 are all at digital high levels Record the oscilloscope calibrator voltage in the Performance Test R...

Page 30: ...s 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 defi...

Page 31: ...bottom of the display Table 8 Settings Used to Verify DC Vertical Gain Accuracy 2000 X Series Models Volts Div Setting Oscilloscope Calibrator Setting Test Limits 5 V Div 35 V 33 8 V to 36 2 V 2 V Di...

Page 32: ...0 X Series Models Volts Div Setting Oscilloscope 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...

Page 33: ...both the oscilloscope and the multimeter see Figure 3 Figure 3 Setting up Equipment for DC Vertical Gain Accuracy Test 7 Adjust the output so that the multimeter reading displays the first Volts div c...

Page 34: ...accuracy with the remaining Volts div setting values in Table 8 or Table 9 depending on the oscilloscope model 14 Finally repeat this procedure for the remaining channels to be tested Use a Blocking...

Page 35: ...1 Press Save Recall Default Erase Factory Default to recall the factory default setup 2 If you are testing a 2000 X Series oscilloscope set the probe attenuation to 1 1 on the analog channel you are t...

Page 36: ...33 6 V to 36 4 V 2 V Div 14 V 13 44 V to 14 56 V 1 V Div 7 V 6 72 V to 7 28 V 500 mV Div 3 5 V 3 36 V to 3 64 V 200 mV Div 1 4 V 1 344 V to 1 456 V 100 mV Div 700 mV 672 mV to 728 mV 50 mV Div 350 mV...

Page 37: ...able 12 Settings Used to Verify Dual Cursor Accuracy 3000 X Series Models 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...

Page 38: ...g 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 9 Press the Y2 soft...

Page 39: ...1 or Table 12 depending on the oscilloscope model 12 Finally repeat this procedure for the remaining channels to be tested Use a Blocking Capacitor to Reduce Noise On the more sensitive ranges such as...

Page 40: ...00 MHz Models All channels 3 dB dc to 100 MHz 70 MHz Models All channels 3 dB dc to 70 MHz Table 14 Equipment Required to Verify Bandwidth 3 dB Equipment Critical Specifications Recommended Model Part...

Page 41: ...tor to the input of the power splitter input b Connect the power sensor to one output of the power splitter c Use an N to BNC adapter to connect the other splitter output to the channel 1 input Figure...

Page 42: ...MHz and six divisions of amplitude The signal on the oscilloscope screen should be about five cycles at six divisions amplitude 5 Set up the Amplitude measurement a Press the Meas key b Press the Cle...

Page 43: ...ration 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...

Page 44: ...ord 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 ch...

Page 45: ...ope 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...

Page 46: ...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 se...

Page 47: ...r sensitivity on all models DC to 100 MHz 200 mVpp 100 MHz 200 MHz 350 mVpp Test Internal Trigger Sensitivity all models 1 On the oscilloscope press the Default Setup key 2 Press the Mode Coupling key...

Page 48: ...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 ma...

Page 49: ...cord the result as Pass or Fail in the Performance Test Record see page 53 g Repeat this step for the remaining oscilloscope channels 6 Perform these steps to test at the 10 mV div setting a Set the s...

Page 50: ...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 b Connect one...

Page 51: ...X Series Oscilloscopes Service Guide 51 Figure 9 Setting Up Equipment for 4 Channel External Trigger Sensitivity Test Power Splitter Power Sensor Signal Generator Oscilloscope Power Meter N Cable N to...

Page 52: ...nal 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...

Page 53: ...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...

Page 54: ...________ ________ ________ ________ 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 Te...

Page 55: ...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 ________ ________ ________ ____...

Page 56: ..._____ ________ ________ 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 ________ ________...

Page 57: ...usting 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 adj...

Page 58: ...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...

Page 59: ...er 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 Institut...

Page 60: ...Use 50 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...

Page 61: ...connect a BNC f to BNC f barrel connector to the tee as shown below Figure 11 User Calibration cable for 4 channel oscilloscope 4 Connect a BNC cable 40 inches maximum from the TRIG OUT connector on t...

Page 62: ...key 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 Infinii...

Page 63: ...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...

Page 64: ...f there is no trace display Check that the Intensity on the front panel is adjusted correctly Recall the default setup by pressing Default Setup This will ensure that the trigger mode is Auto Check th...

Page 65: ...not see a channel Recall the default setup by pressing Default Setup This will ensure that the trigger mode is Auto Check that the oscilloscope probe s BNC connector is securely attached to the oscill...

Page 66: ...cilloscope 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 th...

Page 67: ...uctions Failures in the front panel self test indicate problems with the keyboard keypad or display To verify default setup The oscilloscope is designed to turn on with the setup from the last turn on...

Page 68: ...play 20 grid intensity persistence off Other Acquire mode normal Run Stop to Run cursor measurements off Figure 12 Default setup screen 2 If your screen looks substantially different replace the syste...

Page 69: ...d correctly as shown above perform the procedure To compensate passive probes on page 69 If you do not see the waveform ensure your power source is adequate the oscilloscope is properly powered on and...

Page 70: ...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 locat...

Page 71: ...X Series Oscilloscope Service Guide 5 Replacing Assemblies The service policy for all 2000 3000 X Series oscilloscopes is now unit replacement so there are no longer instructions for replacing intern...

Page 72: ...72 2000 3000 X Series Oscilloscopes Service Guide 5 Replacing Assemblies...

Page 73: ...s This chapter describes how to order replaceable assemblies and parts for the Keysight 2000 3000 X Series oscilloscopes Diagrams and parts lists are included for assemblies and hardware that you can...

Page 74: ...l Order System Within the USA Keysight Technologies can supply parts through a direct mail order system There are several advantages to this system Direct ordering and shipping from the Keysight Techn...

Page 75: ...han that of a new part 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 retur...

Page 76: ...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 designato...

Page 77: ...0 100 200 MHz exchange 75016 68801 1 Oscilloscope 3000 X Series 2 Ch 100 MHz 75016 69801 1 Oscilloscope 3000 X Series 2 Ch 100 MHz exchange 75017 68801 1 Oscilloscope 3000 X Series 4 Ch 100 200 MHz 75...

Page 78: ...l DSO X 2022A MP1 75014 94302 1 ID Label MSO X 2022A MP1 75015 94301 1 ID Label DSO X 2024A MP1 75015 94302 1 ID Label MSO X 2024A MP1 75016 94303 1 ID Label DSO X 3012A MP1 75016 94304 1 ID Label MSO...

Page 79: ...annel MP33 75019 94310 Overlay Traditional Chinese 4 channel MP33 75019 94330 Overlay Traditional Chinese 2 channel MP33 75019 94312 Overlay Japanese 4 channel MP33 75019 94311 Overlay Japanese 2 chan...

Page 80: ...nel MP33 75019 94323 Overlay Italian 2 channel MP35 75019 42203 1 Hole Plug Option Module W6 Power cord 0 1 Part number varies by country Contact your local Keysight sales office for replacement N2862...

Page 81: ...10 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 Before applying power verify...

Page 82: ...or voltage reduction or mains isolation the common terminal must be connected to the earth terminal of the power source Whenever it is likely that the ground protection is impaired you must make the i...

Page 83: ...ument If the instrument requires cleaning 1 Remove power from the instrument 2 Clean the external surfaces of the instrument with a soft cloth dampened with a mixture of mild detergent and water 3 Mak...

Page 84: ...ruction 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...

Page 85: ...t 67 H hardware self test 66 I internal self tests 66 K Keysight contact information 18 L LED startup sequence 66 M making test connector 23 measurement category 14 definitions 14 N NIST 59 O ordering...

Page 86: ...cy digital channel 26 test diagram 28 trace display problem solving 64 transient withstand capability 15 trigger sensitivity 47 sensitivity external 50 sensitivity internal 47 troubleshooting 63 U use...

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