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6000L Series Oscilloscopes Service Guide

Replaceable Parts

6000L Series Oscilloscope Replaceable Parts List

The information given for each part consists of the following:
• Reference designation from the exploded view.
• Keysight Technologies part number.
• Total quantity (QTY) in the instrument or on assembly.
• Description of the part.

Table 14

6000L Series Oscilloscope Replaceable Parts

Ref Des Keysight Part

Number

Qty.

Description

D6104-66422

AC line filter/power switch/PC board assembly

D6104-00101

Deck assembly

D6104-68501

Fan assembly

D6104-60001

Rackmount kit

MP1

D6104-66421

Autoprobe board

MP2

D6104-00104

Cover assembly

MP3

D6104-85401

Dielectric insulator panel

MP4

D6104-43901

Extender - power switch

MP5

D6104-44701

Fan mount

MP6

D6104-42201

Front panel bezel

MP7

D6104-94301

ID Label - 4 Ch, DSO 1 GHz

MP7

D6104-94302

ID Label - 4 Ch, DSO 500 MHz

MP7

D6104-94303

ID Label - 4 Ch, DSO 100 MHz

MP8

54801-47401

Knob - 12 mm flint gray

MP9

54684-94314

Label - auto probe

Summary of Contents for InfiniVision 6000L Series

Page 1: ...Keysight InfiniVision 6000L Series Oscilloscopes Service Guide...

Page 2: ...by which the software is customarily provided to the public Accordingly Keysight provides the Software to U S government customers under its standard commercial license which is embodied in its End U...

Page 3: ...ting 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 w...

Page 4: ...Web control feature described in the 6000L Series Oscilloscopes User s Guide to complete the instructions If you do not have the 6000L Series Oscilloscopes User s Guide you may obtain a printable elec...

Page 5: ...urement Category Definitions 15 6000L Series Maximum Input Voltages 16 6000L Environmental Conditions 17 Specifications 18 Contact Us 18 2 Testing Performance Overview 20 Conventions 20 List of Test E...

Page 6: ...46 3 Calibrating and Adjusting User Calibration 51 To perform User Cal 51 User Cal Status 53 4 Troubleshooting Solving General Problems with the Oscilloscope 56 Troubleshooting the Oscilloscope 59 Equ...

Page 7: ...o remove the AC power input assembly 83 To remove the power shaft 85 6 Replaceable Parts Ordering Replaceable Parts 88 Listed Parts 88 Unlisted Parts 88 Direct Mail Order System 88 Exchange Assemblies...

Page 8: ...8 6000L Series Oscilloscopes Service Guide Contents...

Page 9: ...8 User Calibration cable for 4 channel oscilloscope 52 Figure 9 6000L Series LED indicators 61 Figure 10 Example pulses 63 Figure 11 System Board Test Points 66 Figure 12 Default setup screen 70 Figur...

Page 10: ...10 6000L Series Oscilloscopes Service Guide Figures...

Page 11: ...ent Required to Verify Voltage Measurement Accuracy 29 Table 7 Settings Used to Verify Voltage Measurement Accuracy 30 Table 8 Equipment Required to Verify Bandwidth 33 Table 9 Equipment Required to V...

Page 12: ...12 6000L Series Oscilloscopes Service Guide Tables...

Page 13: ...ntal Conditions 17 Specifications 18 Contact Us 18 This chapter contains a partial list of characteristics and specifications for the Keysight InfiniiVision 6000L Series Oscilloscopes For a full list...

Page 14: ...14 6000L Series Oscilloscopes Service Guide 1 Characteristics and Specifications Power Requirements 6000L Models Line voltage frequency and power Line 100 240 Vac 50 60 Hz 80 W max...

Page 15: ...ed 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 pe...

Page 16: ...oad will disconnect if greater than 5 Vrms is detected However the inputs could still be damaged depending on the time constant of the signal The 50 input protection functions only when the oscillosco...

Page 17: ...cted equipment Pollution Degree The InfiniiVision 6000L Series oscilloscopes may be operated in environments of Pollution Degree 2 or Pollution Degree 1 Pollution Degree Definitions Pollution Degree 1...

Page 18: ...ete up to date specifications and characteristics To download a copy of the data sheet please visit www keysight com find 6000 Or go to the Keysight home page at www keysight com and search for 6000L...

Page 19: ...digital channel threshold accuracy MSO models only 25 To verify voltage measurement accuracy 29 To verify bandwidth 33 To verify time scale accuracy 37 To verify horizontal delta t accuracy 39 To ver...

Page 20: ...t with minimum electrical distortion 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 Res...

Page 21: ...d 1 GHz sine waves Keysight N5181A or E4400B or 8648A Power Meter Sensor 1 GHz 3 accuracy Keysight E4418B 8482A Oscilloscope Calibrator 25 MHz 500 MHz sine wave 5 ppm Fluke 5820A BNC banana cable Keys...

Page 22: ...On one side of the Berg strip solder a jumper wire to all of the pins shown in Figure 1 on page 23 3 On the other side of the Berg strip solder another jumper wire to all of the pins 4 Solder the cent...

Page 23: ...ance 2 6000L Series Oscilloscopes Service Guide 23 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 sc...

Page 24: ...connect digital channels 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...

Page 25: ...same instructions to test digital channels D15 D8 Verifying Test Results After each threshold test record the voltage reading in the Performance Test Record on page 46 To verify whether a test passes...

Page 26: ...the multimeter to monitor the oscilloscope calibrator DC output voltage 3 Use the 8 by 2 test connector and the BNC cable assembly to connect digital channels D0 D7 to one side of the BNC Tee Then co...

Page 27: ...Then use the multimeter to verify the voltage Digital channel activity indicators are displayed on the status line at the top of the oscilloscope display The activity indicators for D7 D0 should show...

Page 28: ...oscilloscope calibrator voltage levels for each of the threshold settings shown in Table 5 9 Use the 8 by 2 test connector to connect digital channels D15 D8 to the output of the oscilloscope calibra...

Page 29: ...ed as 16 mV on the 1 mV div range Full scale on all other ranges is defined as 8 divisions times the V div setting 1 LSB 0 4 of full scale 1 Set up the oscilloscope a Adjust the channel 1 position kno...

Page 30: ...iv Setting Oscilloscope Calibrator Setting Test Limits 5 V Div 35 V 34 04 V to 35 96 V 2 V Div 14 V 13 616 V to 14 384 V 1 V Div 7 V 6 808 V to 7 192 V 500 mV Div 3 5 V 3 404 V to 3 596 V 200 mV Div 1...

Page 31: ...settle 5 Press the Y2 softkey then position the Y2 cursor to the center of the voltage trace using the Entry knob The Y value on the lower line of the display should be within the test limits of Table...

Page 32: ...remaining channels to be tested Figure 4 Using a Blocking Capacitor to Reduce Noise Use a Blocking Capacitor to Reduce Noise On the more sensitive ranges such as 2 mV div and 5 mV div noise may be a...

Page 33: ...s 3 dB dc to 500 MHz 100 MHz Models Test limits at 1 mV div to 5 V div All channels 3 dB dc to 100 MHz Table 8 Equipment Required to Verify Bandwidth Equipment Critical Specifications Recommended Mode...

Page 34: ...1 GHz oscilloscope models use an N to BNC adapter to connect the other splitter output to the channel 1 input d For 100 MHz oscilloscopes use an N to BNC adapter and 50 feedthrough termination to con...

Page 35: ...illoscope screen should be about five cycles at six divisions amplitude 5 Set up the Amplitude measurement a Press the Quick Meas key b Press the Clear Meas softkey c Press the Select softkey and use...

Page 36: ...e using the expression Example If Pmeas1_MHz 892 uW Std Dev n 1MHz 210 4 mV Pmeas max_freq 687 uW Std Dev n max freq 161 6 mV Then after converting the values from the power meter to Vrms 15 The resul...

Page 37: ...erifies the accuracy of the time scale In this test you will measure the absolute error of the timebase oscillator and compare the results to the specification 1 Set up the signal generator a Set the...

Page 38: ...measurement a Set oscilloscope horizontal sweep speed control to 1 ms div b Set horizontal position control to 1 ms rotate control CCW c Set the oscilloscope horizontal sweep speed control to 5 ns div...

Page 39: ...alibrator output to the oscilloscope channel 1 input 2 Set up the signal source a Select Marker on the oscilloscope calibrator b Set the calibrator for 100 s markers period 100 s 3 Set up the oscillos...

Page 40: ...re the following If the measurements are not within the test limits go to the Troubleshooting chapter Then return here Period 100 ns The test limits are 99 8 ns to 100 2 ns 7 Change the time base and...

Page 41: ...tional because it is a characteristic not a specification Test limits for Internal trigger 10 mV div greater of 1 div or 5 mVpp 10 mV div 0 6 div External trigger 1 GHz and 500 MHz models DSO6104L 605...

Page 42: ...odels connect the signal generator output to the oscilloscope channel 1 input b For 100 MHz models use a 50 feedthrough termination to connect the signal generator output to the oscilloscope channel 1...

Page 43: ...e 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...

Page 44: ...then press the Default Setup softkey 3 Change the signal generator output frequency as follows For 500 MHz and 1 GHz models set the signal generator output frequency to 500 MHz For 100 MHz models set...

Page 45: ...wer meter of 625 W 500mVpp 176 78mV rms Power Vin2 50 176 78 mV2 50 625 W 6 Press the Trigger Edge key then press the Source softkey to set the trigger source to External 7 Check for stable triggering...

Page 46: ...________ ________ ________ 200 mV Div 1 4 V 1 3616 V to 1 4384 V ________ ________ ________ ________ 100 mV Div 700 mV 680 8 mV to 719 2 mV ________ ________ ________ ________ 50 mV Div 350 mV 340 4 m...

Page 47: ...nnel 1 Channel 2 Channel 3 Channel 4 Internal trigger 1 division at 25 MHz ________ ________ ________ ________ 1 GHz models 0 6 division at 1 GHz ________ ________ ________ _______ 500 MHz models 0 6...

Page 48: ...48 6000L Series Oscilloscopes Service Guide 2 Testing Performance...

Page 49: ...ing 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 adjust...

Page 50: ...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 ins...

Page 51: ...The routine uses internally generated signals to optimize circuits that affect channel sensitivity offset and trigger parameters Disconnect all inputs and allow the oscilloscope to warm up before perf...

Page 52: ...hown below Figure 8 User Calibration cable for 4 channel oscilloscope 3 Connect a BNC cable 40 inches maximum from the TRIG OUT connector on the rear panel to the BNC barrel connector 4 Press the Util...

Page 53: ...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 Infini...

Page 54: ...54 6000L Series Oscilloscopes Service Guide 3 Calibrating and Adjusting...

Page 55: ...display If the trace display is unusual or unexpected If you cannot see a channel If you cannot get any response from the oscilloscope Procedures for troubleshooting the oscilloscope follow the proble...

Page 56: ...uide to control the oscilloscope If you do not have the user s guide you can download it from www keysight com find 6000 If there is no display Check that the power cord is firmly seated in the oscill...

Page 57: ...test Check that the trigger setup is correct A correct trigger setup is the most important factor in helping you capture the data you desire See the User s Guide for information about triggering Chec...

Page 58: ...h on the analog channel by selecting Analog from the menu bar of the Remote Front Panel 6000L Series models b Switch on the digital channels by selecting Digital from the menu bar 6000L Series models...

Page 59: ...procedures with 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 DSO6000L SER...

Page 60: ...Keysight DSO6102A MSO6102A DSO6102A or MSO6104A CAUTION USE AN EXTERNAL FAN TO AVOID OVERHEATING COMPONENTS When you remove the oscilloscope cover and main shield use an external fan to provide conti...

Page 61: ...cted the LAN indicator will illuminate red It will turn green when the LAN is connected as it is configured The amount of time it takes the indicator to turn green depends on the network and the oscil...

Page 62: ...isplay 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...

Page 63: ...edure To verify basic oscilloscope operation on page 62 2 Use a nonmetallic tool to adjust the trimmer capacitor on the probe for the flattest pulse possible The trimmer capacitor is located on the pr...

Page 64: ...ting Troubleshooting Flowchart The following flowchart describes how to troubleshoot 6000L Series models Start Test Power Supply Okay Test System Board Okay Test Display Okay End Replace Power Supply...

Page 65: ...es oscilloscopes are at a high potential This presents an electric shock hazard Protect yourself from electric shock by keeping this area covered or by not coming in contact with the heat sinks when t...

Page 66: ...ord b Remove the fan See To remove the fan on page 81 c Disconnect plug J3 from the power supply and from the system board d Perform a continuity check on the DC cable item W1 on page 93 If the cable...

Page 67: ...66 to locate the test points Table 13 System Board Test Points 4 If the voltage at test point L3301 and or L3302 is not within the specified range replace the system board 5 If all cables are properl...

Page 68: ...ector c If the fan voltage is approximately 8 5 Vdc at room temperature replace the fan If the fan voltage is not approximately 8 5 Vdc replace the system board The proper voltage range depending on t...

Page 69: ...ey 2 Press the Default Setup softkey This returns the oscilloscope to its factory default settings and places the oscilloscope in a known operating condition The major default settings are Horizontal...

Page 70: ...70 6000L Series Oscilloscopes Service Guide 4 Troubleshooting Figure 12 Default setup screen 3 If your screen looks substantially different replace the system board...

Page 71: ...oved an assembly to install the replacement assembly follow the instructions in reverse order The parts shown in the following figures are representative and may look different than what you have in y...

Page 72: ...CK Hazardous voltages exist on the LCD assembly and power supply To avoid electrical shock 1 Disconnect the power cord from the oscilloscope 2 Wait at least three minutes for the capacitors in the osc...

Page 73: ...1 Turn off the oscilloscope and disconnect the power cable 2 Turn the oscilloscope so the bottom is facing up 3 Using a T10 screwdriver remove 5 screws from the rear and sides of the cabinet 4 Slide t...

Page 74: ...f Using a twisting motion on the screwdriver rather than prying prevents marking or damaging the front panel Figure 14 Removing the intensity knob 3 Disconnect the front panel ribbon cable from the sy...

Page 75: ...the front panel off of the oscilloscope 7 Lift the front panel PC board to remove it from the front panel 8 Reverse this procedure to replace the front panel Front Panel Ribbon Cable Retainer Tab Sys...

Page 76: ...in step 2 on page 74 3 Disconnect the front panel ribbon cable from the system board by pressing the release tabs 4 Disconnect the fan cable 5 Remove the 3 hex nuts and washers from the rear BNC conne...

Page 77: ...assis b Gently pull the board out until you can disconnect the power supply cable c Continue to remove the board from the chassis CAUTION To avoid tearing the thermal pads on a 500 MHz oscilloscope wh...

Page 78: ...78 6000L Series Oscilloscopes Service Guide 5 Replacing 6000L Assemblies 9 Reverse this procedure to reinstall the system board...

Page 79: ...cable and AC cables from the power supply using a needle nose pliers if necessary 3 Press the release latch to disconnect the power input board cable from the power input board Figure 18 Removing the...

Page 80: ...through the hole in the divider gently pry the power supply board up enough to snap the power supply board off the rear snap fastener 6 Using a twisting motion with a flat blade screwdriver gently sna...

Page 81: ...age 73 To remove the system board on page 76 To remove the power supply on page 79 Though the fan can be removed without performing all of the above it is difficult to reinstall it 2 Slide the fan and...

Page 82: ...e holes in the top and bottom of the fan c Align the holes in the bottom of the flexible fan mount over the studs on the chassis as you slide the fan over the divider in the chassis d Ensure that the...

Page 83: ...cle ground wire to the chassis 3 Using a TORX T10 screwdriver remove the screw securing the input board to the chassis 4 Lift and rotate the grooved input receptacle just enough to free it from the op...

Page 84: ...vice Guide 5 Replacing 6000L Assemblies Figure 21 Removing the AC power input board 7 Reverse this procedure to install the AC power input board Grooved Receptacle Power Shaft Posts 2 Keyholes 2 T10 S...

Page 85: ...wer supply on page 79 To remove the fan on page 81 2 Use a flat blade screwdriver to gently spread the latch while pushing the power shaft forward Figure 22 Removing the power shaft 3 Lift and remove...

Page 86: ...86 6000L Series Oscilloscopes Service Guide 5 Replacing 6000L Assemblies...

Page 87: ...le Parts for 6000L Series Oscilloscopes 90 This chapter describes how to order replaceable assemblies and parts for the Keysight 6000L Series Oscilloscopes Diagrams and parts lists are included for as...

Page 88: ...rder 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 Technolo...

Page 89: ...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 return t...

Page 90: ...e Exploded Views 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 t...

Page 91: ...Replaceable Parts 6 6000L Series Oscilloscopes Service Guide 91 Figure 23 6000L Series Oscilloscope Exploded View MP2 W1 MP5 A3 MP4 A1 A4 MP11 W2 MP12 A2 MP6 MP7 M82 MP10 MP9 MP2 MP3...

Page 92: ...rt Number Qty Description A1 D6104 66422 1 AC line filter power switch PC board assembly A2 D6104 00101 1 Deck assembly A3 D6104 68501 1 Fan assembly A4 D6104 60001 1 Rackmount kit MP1 D6104 66421 1 A...

Page 93: ...1 GHz MP11 54684 66506 1 PC board assembly 4 Ch 1 GHz MP11 54634 66501 1 PC board assembly 4 Ch 100 MHz MP11 54674 66506 1 PC board assembly 4 Ch 500 MHz MP12 0950 4853 1 Power supply W1 D6104 61607 1...

Page 94: ...94 6000L Series Oscilloscopes Service Guide 6 Replaceable Parts...

Page 95: ...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 t...

Page 96: ...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 inst...

Page 97: ...nt 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 Make s...

Page 98: ...mbol 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 and preserve safe conditions Hazardous vol...

Page 99: ...val 81 front panel 4 exploded view 91 removal 74 fuse 65 H horizontal accuracy verification 39 I internal self tests 68 K Keysight contact information 18 L LED startup sequence 60 M making test connec...

Page 100: ...hreshold accuracy digital channel 25 test diagram 26 trace display problem solving 56 57 transient withstand capability 16 trigger sensitivity 41 sensitivity external 43 sensitivity internal 42 troubl...

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