Keysight Technologies InfiniVision 6000L Series Service Manual
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Keysight Technologies InfiniVision 6000L Series Service Manual

Keysight Technologies InfiniVision 6000L Series Service Manual

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Keysight InfiniVision
6000L Series
Oscilloscopes
Service Guide

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Summary of Contents for Keysight Technologies InfiniVision 6000L Series

  • Page 1 Keysight InfiniVision 6000L Series Oscilloscopes Service Guide...
  • Page 2 Notices © Keysight Technologies, Inc. 2005-2019 connection with the furnishing, use, or per- documentation. No additional government formance of this document or of any infor- requirements beyond those set forth in the No part of this manual may be reproduced in mation contained herein.
  • Page 3 In This Service Guide This book provides the service information for the Keysight 6000L Series oscilloscopes. This manual is divided into these chapters: Characteristics and Specifications This chapter lists characteristics and specifications for the Keysight 6000L Series oscilloscopes. Testing Performance This chapter explains how to verify correct oscilloscope operation and perform tests to ensure that the oscilloscope meets the performance specifications.
  • Page 4 2 Enter your product’s model number and serial number. The system will search for the warranty status of your product and display the results. If the system cannot find your product’s warranty status, select Contact Us and speak with an Keysight Technologies representative. 6000L Series Oscilloscopes Service Guide...

  • Page 5: Table Of Contents

    Contents Figures / 9 Tables / 11 Characteristics and Specifications Power Requirements / 14 6000L Models / 14 Measurement Category / 15 Measurement Category / 15 Measurement Category Definitions / 15 6000L Series Maximum Input Voltages / 16 6000L Environmental Conditions / 17 Specifications / 18 Contact Us / 18 Testing Performance...
  • Page 6 Contents What to Test / 25 Verifying Test Results / 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 verify trigger sensitivity / 41 Test Internal Trigger Sensitivity / 42 Test External Trigger Sensitivity / 43 Keysight 6000L Series Oscilloscopes Performance Test Record / 46...
  • Page 7 Contents Replacing 6000L Assemblies To remove the bottom cover / 73 To remove the front panel assembly / 74 To remove the system board / 76 To remove the power supply / 79 To remove the fan / 81 To remove the AC power input assembly / 83 To remove the power shaft / 85 Replaceable Parts Ordering Replaceable Parts / 88...
  • Page 8 Contents 6000L Series Oscilloscopes Service Guide...

  • Page 9: Figures

    Figures Figure 1. Constructing the 8-by-2 Connector / 23 Figure 2. Setting Up Equipment and Test Connector for the Threshold Test / 26 Figure 3. Connect equipment for voltage measurement accuracy test / 31 Figure 4. Using a Blocking Capacitor to Reduce Noise / 32 Figure 5.
  • Page 10 Figures 6000L Series Oscilloscopes Service Guide...

  • Page 11: Tables

    Tables Table 1. Conventions / 20 Table 2. List of test equipment / 21 Table 3. Materials required to construct the test connectors / 22 Table 4. Equipment Required to Test Digital Channel Threshold Accuracy / 25 Table 5. Threshold Accuracy Voltage Test Settings / 27 Table 6.
  • Page 12 Tables 6000L Series Oscilloscopes Service Guide...
  • Page 13 Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 1 Characteristics and Specifications Power Requirements / 14 Measurement Category / 15 6000L Environmental Conditions / 17 Specifications / 18 Contact Us / 18 This chapter contains a partial list of characteristics and specifications for the Keysight InfiniiVision 6000L Series Oscilloscopes.

  • Page 14: Characteristics And Specifications

    Characteristics and Specifications Power Requirements 6000L Models Line voltage, frequency, and power: • ~Line 100-240 Vac, • 50/60 Hz • 80 W max 6000L Series Oscilloscopes Service Guide...

  • Page 15: Measurement Category

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

  • Page 16: 6000L Series Maximum Input Voltages

    Characteristics and Specifications 6000L Series Maximum Input Voltages Maximum input voltage at analog inputs CAUTION Do not exceed the maximum input voltage rating. The maximum input voltage for the 50 Ω input impedance setting is ±5 V. Input protection is enabled in 50 Ω mode and the 50 Ω load will disconnect if greater than 5 Vrms is detected.

  • Page 17: 6000L Environmental Conditions

    Characteristics and Specifications 6000L Environmental Conditions Environment Indoor use only. Ambient temperature Operating –10 °C to +40 °C; non-operating –40 °C to +70 °C Humidity Operating 95% RH at 40 °C for 24 hr; non-operating 90% RH at 65 °C for 24 hr Altitude Operating to 2,000 m (6,561 ft);...

  • Page 18: Specifications

    Characteristics and Specifications Specifications Please see the InfiniiVision 6000L Series Oscilloscopes Data Sheet for complete, up-to-date specifications and characteristics. To download a copy of the data sheet please visit: www.keysight.com/find/6000. Or go to the Keysight home page at www.keysight.com and search for 6000L series oscilloscopes data sheet.

  • Page 19: Testing Performance

    Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 2 Testing Performance Overview / 20 List of Test Equipment / 21 To construct the test connector (for use with MSO models only) / 22 To test digital channels (MSO models only) / 24...

  • Page 20: Overview

    Testing Performance Overview To completely test and troubleshoot the mixed-signal oscilloscope, you will create and use a test connector accessory, as described in this chapter. • The test connector is only required for oscilloscopes that have the MSO option licensed (enabled). •...

  • Page 21: List Of Test Equipment

    Testing Performance List of Test Equipment Below is a list of test equipment and accessories required to perform the performance test verification procedures. Table 2 List of test equipment Recommended Model/ Equipment Critical Specifications Part Number Test connector, 8-by-2* page 22 for instructions on building test connector.

  • Page 22: To Construct The Test Connector (For Use With Mso Models Only)

    Testing Performance To construct the test connector (for use with MSO models only) Keysight 6000L Series Oscilloscopes that have digital channels enabled require the test connector described below. Follow the steps to build the test connector. Table 3 Materials required to construct the test connectors Description Recommended Part BNC (f) Connector...

  • Page 23: Figure 1 Constructing The 8-By-2 Connector

    Testing Performance Jumper (2) Ground Lead (from scope’s MSO cable) Signal Lead (from scope’s MSO cable) 8 x 2 Berg Strip BNC Panel Mount Connector Figure 1 Constructing the 8-by-2 Connector 6000L Series Oscilloscopes Service Guide...

  • Page 24: To Test Digital Channels (Mso Models Only)

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

  • Page 25: To Verify Digital Channel Threshold Accuracy (Mso Models Only)

    Testing Performance To verify digital channel threshold accuracy (MSO models only) This test verifies the digital channel threshold accuracy specification of the Keysight 6000L Series Oscilloscopes. Threshold accuracy test limits= ±(100 mV + 3% of threshold setting) When to Test You should perform this test every 12 months or after 2000 hours of operation, whichever comes first.

  • Page 26: Figure 2 Setting Up Equipment And Test Connector For The Threshold Test

    Testing Performance 1 Turn on the test equipment and the oscilloscope. Let them warm up for 30 minutes before starting the test. 2 Set up the oscilloscope calibrator. a Set the oscilloscope calibrator to provide a DC offset voltage at the Channel 1 output.

  • Page 27: Table 5. Threshold Accuracy Voltage Test Settings

    Testing Performance 4 Use a BNC-banana cable to connect the multimeter to the other side of the BNC Tee. 5 Connect the BNC Tee to the Channel 1 output of the calibrator as shown in Figure 6 On the oscilloscope, press the D15 Thru D0 key, then press the Thresholds softkey, then press the D15 Thru D0 softkey repeatedly until the check mark is next to User.
  • Page 28 Testing Performance are all at digital high levels. Record the oscilloscope calibrator voltage in the Performance Test Record (see page 46). Before proceeding to the next step, make sure that you have recorded the oscilloscope calibrator voltage levels for each of the threshold settings shown Table 9 Use the 8-by-2 test connector to connect digital channels D15-D8 to the output of the oscilloscope calibrator.

  • Page 29: To Verify Voltage Measurement Accuracy

    Testing Performance To verify voltage measurement accuracy This test verifies the accuracy of the analog channel voltage measurement for each channel (DC Vertical Gain Accuracy and Dual Cursor Accuracy specifications). In this test, 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.

  • Page 30: Table 7. Settings Used To Verify Voltage Measurement Accuracy

    Testing Performance Table 7 Settings Used to Verify Voltage Measurement Accuracy Volts/Div Setting Oscilloscope Calibrator Test Limits Setting 5 V/Div 35 V 34.04 V 35.96 V 2 V/Div 14 V 13.616 V 14.384 V 1 V/Div 6.808 V 7.192 V 500 mV/Div 3.5 V 3.404 V...

  • Page 31: Figure 3 Connect Equipment For Voltage Measurement Accuracy Test

    Testing Performance Oscilloscope Oscilloscope Calibrator Digital BNC Tee Multimeter BNC (f) to dual banana Figure 3 Connect equipment for voltage measurement accuracy test 4 Adjust the output so that the multimeter reading displays the first Volts/div calibrator setting value in Table Wait a few seconds for the measurement to settle.

  • Page 32: Figure 4 Using A Blocking Capacitor To Reduce Noise

    Testing Performance 7 When you are finished checking all of the voltage values, disconnect the oscilloscope calibrator from the oscilloscope. 8 Repeat this procedure for the remaining channels to be tested. 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 factor. To eliminate the noise, add a BNC Tee, blocking capacitor, and BNC shorting cap at the oscilloscope channel input to shunt the noise to ground.

  • Page 33: To Verify Bandwidth

    Testing Performance To verify bandwidth This test checks the bandwidth of the oscilloscope. In this test you will use a signal generator and a power meter. 1 GHz Models Test limits at 2 mV/div to 5 V/div • All channels (-3 dB) •...

  • Page 34: Figure 5. Connect Equipment For Bandwidth Test

    Testing Performance 1 Connect the equipment (see Figure a Use the N cable to connect the signal generator to the input of the power splitter input. b Connect the power sensor to one output of the power splitter. c For 500 MHz and 1 GHz oscilloscope models use an N-to-BNC adapter to connect the other splitter output to the channel 1 input.
  • Page 35 Testing Performance Set the power meter to display measurements in units of watts. 3 Set up the oscilloscope. a Press the Save/Recall key, then press the Default Setup softkey. b Press the Acquire key, then press the Realtime softkey to unselect Realtime. c Set channel 1 Coupling to DC.
  • Page 36 Testing Performance • 100 MHz Models: 100 MHz 10 Referencing the frequency from step 9, set the power meter Cal Factor % to the frequency value on the calibration chart on the power sensor. 11 Set the oscilloscope sweep speed according to the following: •...

  • Page 37: To Verify Time Scale Accuracy

    Testing Performance To verify time scale accuracy Time Scale Accuracy is a warranted specification for 6000L Series oscilloscopes manufactured after January 1, 2008. Date Code: 0747 07 = Year 47 = Week If your oscilloscope’s serial tag has old-style (linear) barcodes instead of the 3-D barcodes shown above, or if the date indicated on the serial tag is older than January 1, 2008, then disregard this test.
  • Page 38 Testing Performance 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. e Adjust the oscilloscope’s trigger level so that the rising edge of the waveform at the center of the screen is located where the center horizontal and vertical grid lines cross (center screen).

  • Page 39: To Verify Horizontal Delta T Accuracy

    Testing Performance To verify horizontal delta t accuracy The following test is optional because horizontal Δt accuracy is a characteristic, not a specification. This test verifies the horizontal Δt accuracy. In this test, you will use the oscilloscope to measure the output of a time mark generator. Test limits: ±0.0015% of reading ±0.1% of full scale ±20 ps (same channel) Equipment Required to Verify Horizontal Δt Accuracy Table 10...
  • Page 40 Testing Performance 4 Press the Quick Meas softkey, set the Source softkey to 1, then press Select and choose Period. Press the Measure softkey and measure the following: Period 100 μs — The test limits are 99.8 μs to 100.2 μs. If the measurements are not within the test limits, go to the “Troubleshooting”...

  • Page 41: To Verify Trigger Sensitivity

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

  • Page 42: Test Internal Trigger Sensitivity

    Testing Performance Test Internal Trigger Sensitivity 1 Connect the equipment (see Figure a For 500 MHz and 1 GHz models, connect the signal generator output to the oscilloscope channel 1 input. b For 100 MHz models, use a 50Ω feedthrough termination to connect the signal generator output to the oscilloscope channel 1 input.

  • Page 43: Test External Trigger Sensitivity

    Testing Performance 2 Verify the trigger sensitivity at maximum bandwidth. 1 GHz models: 1 GHz 500 MHz models: 500 MHz 100 MHz models: 100 MHz a Press the Save/Recall key, then press the Default Setup softkey. b On 500 MHz and 1 GHz models, set channel 1 Imped to 50 Ohm. c Set the output frequency of the signal generator to the maximum bandwidth of the oscilloscope and set the amplitude to about 10 mV d Press the AutoScale key.

  • Page 44: Figure 7. Connect Equipment For External Trigger Sensitivity Test

    Testing Performance Signal Generator Oscilloscope 50Ω Feedthrough* N to BNC adapter Power Splitter Power Sensor N Cable Power Meter * Required for all models. Figure 7 Connect equipment for external trigger sensitivity test 2 Set up the oscilloscope. a Press the Save/Recall key, then press the Default Setup softkey. 3 Change the signal generator output frequency as follows: •...
  • Page 45 Testing Performance 4 Set the power meter Cal Factor % to the appropriate value (500 MHz or 100 MHz) on the calibration chart on the power sensor. If necessary, do a linear interpolation if a 500 MHz or 100 MHz factor is not included in the power meter’s calibration chart.

  • Page 46: Keysight 6000L Series Oscilloscopes Performance Test Record

    Testing Performance Keysight 6000L Series Oscilloscopes Performance Test Record Serial No. ______________________________________ Test by _____________________________ Test Interval ____________________________________ Work Order No. ______________________ Recommended Next Testing ________________________ Temperature ____________ Threshold Specification Limits Ch D7-D0 Ch D15-D8 Accuracy Test 5 V - 250 mV 4.750 V ________ ________...
  • Page 47 Testing Performance Horizontal Δt Accuracy Generator Setting Test Limits Results 100 μs 99.8 μs to 100.2 μs Period ________ Period 100 ns 99.8 ns to 100.2 ns ________ Period 10 ns 9.93 ns to 10.07 ns ________ Period 5 ns 4.96 ns to 5.04 ns ________ 100 MHz models...
  • Page 48 Testing Performance 6000L Series Oscilloscopes Service Guide...

  • Page 49: Calibrating And Adjusting

    Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 3 Calibrating and Adjusting This chapter explains how to adjust the oscilloscope for optimum operating performance. You should perform self-calibration according to the following recommendations: • Every 12 months or after 2000 hours of operation •...
  • Page 50 Calibrating and Adjusting USE EXTERNAL FAN TO REDUCE TEMPERATURE! CAUTION When you must operate the oscilloscope with its cover and main shield removed, use an external fan to provide continuous air flow over the samplers (the ICs with heat sinks on them). Air flow over the samplers is reduced when the cover and main shield is removed, which leads to higher than normal operating temperatures.

  • Page 51: User Calibration

    Calibrating and Adjusting User Calibration Perform user-calibration: • Each year or after 2000 hours of operation. • If the ambient temperature is >10° C from the calibration temperature. • If you want to maximize the measurement accuracy. The amount of use, environmental conditions, and experience with other instruments help determine if you need shorter User Cal intervals.

  • Page 52: Figure 8 User Calibration Cable For 4-Channel Oscilloscope

    Calibrating and Adjusting Use 50Ω RG58AU or equivalent BNC cables when performing User Cal. a Connect BNC tees to the equal-length cables as shown below. Then connect a BNC(f)-to-BNC(f) (barrel connector) to the tee as shown below. To Channel 1 To Channel 2 To Channel 3 Longer cable...

  • Page 53: User Cal Status

    Calibrating and Adjusting User Cal Status Pressing the User Cal Status softkey displays the following summary results of the previous User Cal, and the status of probe calibrations for probes that can be calibrated. Note that AutoProbes do not need to be calibrated, but InfiniiMax can be calibrated.
  • Page 54 Calibrating and Adjusting 6000L Series Oscilloscopes Service Guide...

  • Page 55: Troubleshooting

    Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 4 Troubleshooting Solving General Problems with the Oscilloscope / 56 Troubleshooting the Oscilloscope / 59 This chapter begins with suggestions for solving general problems that you may encounter with the oscilloscope. It tells you what to do in these cases: •...

  • Page 56: Solving General Problems With The Oscilloscope

    Check that the probe clips are securely connected to points in the circuit under test, and that the ground is connected. Check that the circuit under test is powered on. Press the AutoScale key. Obtain service from Keysight Technologies, if necessary. 6000L Series Oscilloscopes Service Guide...
  • Page 57 Troubleshooting If the trace display is unusual or unexpected Check that the horizontal sweep speed control 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.
  • Page 58 Troubleshooting Check that the desired oscilloscope channels are turned on. a Switch 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 with the MSO option).

  • Page 59: Troubleshooting The Oscilloscope

    Troubleshooting the Oscilloscope The service policy for the Keysight 6000L Series Oscilloscopes is assembly level replacement. If you need parts or assistance from Keysight Technologies to repair your instrument, go to www.keysight.com and locate the service facility for your area.

  • Page 60: To Check Out The Oscilloscope

    Troubleshooting Table 12 Equipment Required to Troubleshoot the Oscilloscope Equipment Critical Specifications Recommended Model/Part Digital multimeter Accuracy ±0.05,% 1 mV resolution Keysight 34401A Capable of measuring ≥ 500 MHz signal. 1 Oscilloscope Keysight Ω input impedance. DSO6102A, MSO6102A, DSO6102A, or MSO6104A To check out the oscilloscope 1 Disconnect any external cables from the front panel.

  • Page 61: Figure 9. 6000L Series Led Indicators

    Troubleshooting Always use a grounded power cord. Do not defeat the power cord ground. WARNING • On 6000L Series models, press the power switch. The Power indicator LED is green. The LAN indicator LED is bi-color (green and/or red). • Shortly after pressing the power switch, the power indicator and LAN indicator will illuminate.

  • Page 62: To Verify Basic Oscilloscope Operation

    Troubleshooting To verify basic oscilloscope operation For 6000L Series oscilloscopes, connect the oscilloscope to your network or establish a point-to-point connection, and use the Remote Front Panel feature described in the 6000L Series Oscilloscopes User’s Guide to control the oscilloscope. If you do not have the user’s guide, you can download it from www.keysight.com/find/6000.

  • Page 63: To Compensate The Analog Probes

    Troubleshooting 6 If you still do not see the waveform, use the troubleshooting flowchart in this chapter to isolate the problem. To compensate the analog probes You should compensate your analog probes to match their characteristics to the oscilloscope’s channels. A poorly compensated probe can introduce measurement errors.

  • Page 64: Troubleshooting Flowchart

    Troubleshooting Troubleshooting Flowchart The following flowchart describes how to troubleshoot 6000L Series models. Start Test Power Supply Replace Power Okay? Supply Test System Board Replace System Okay? Board Test Display Okay? Replace Display 6000L Series Oscilloscopes Service Guide...

  • Page 65: To Check The 6000L Series Oscilloscope Power Supply

    Troubleshooting To check the 6000L Series oscilloscope power supply HAZARDOUS VOLTAGES EXIST — HIGH VOLTAGE IS PRESENT ON DSO6000L SERIES POWER SUPPLY WARNING HEAT SINKS ! The power supply heat sinks of the 6000L Series oscilloscopes are at a high potential. This presents an electric shock hazard.

  • Page 66: Figure 11. System Board Test Points

    Troubleshooting Pin 1 Pin 9 Figure 11 System Board Test Points 5 If the voltage is not correct: a Disconnect the power cord. 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”...

  • Page 67: To Check The 6000L Series System Board

    Troubleshooting HAZARDOUS VOLTAGES EXIST — HIGH VOLTAGE IS PRESENT ON DSO6000L SERIES POWER SUPPLY WARNING HEAT SINKS ! The power supply heat sinks of the 6000L 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 not coming in contact with the heat sinks when the power cord is attached to the oscilloscope! f Connect the power cord and check the power supply voltage between pins 1 and 6 of the system board side of the “DC cable”.

  • Page 68: To Check The 6000L Series Display Output

    Troubleshooting To check the 6000L Series display output 1 Connect a known good external XGA display and power-up the display and the oscilloscope. 2 If the known good display does show an output from the XGA port of the oscilloscope, replace the system board. To check the fan The fan speed is controlled by a circuit on the system board.

  • Page 69: To Verify Default Setup

    Troubleshooting 2 Begin the internal self tests by pressing the Start Self Test softkey. To verify default setup The oscilloscope is designed to turn on with the setup from the last turn on or previous setup. However, if the Secure Environment option is installed, the oscilloscope will always execute a Default Setup upon power-up.

  • Page 70: Figure 12 Default Setup Screen

    Troubleshooting Figure 12 Default setup screen 3 If your screen looks substantially different, replace the system board. 6000L Series Oscilloscopes Service Guide...
  • Page 71 Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 5 Replacing 6000L Assemblies To remove the bottom cover / 73 To remove the front panel assembly / 74 To remove the system board / 76 To remove the power supply / 79...
  • Page 72 Replacing 6000L Assemblies Read All Warnings and Cautions Read the following warnings and cautions before removing and replacing any assemblies in the oscilloscope. HAZARDOUS VOLTAGES ! WARNING 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.

  • Page 73: Replacing 6000L Assemblies

    Replacing 6000L Assemblies To remove the bottom cover 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.

  • Page 74: To Remove The Front Panel Assembly

    Replacing 6000L Assemblies To remove the front panel assembly 1 Perform the following procedures: • “To remove the bottom cover" on page 73 2 Insert a flat-blade screwdriver under the center of the intensity knob and gently twist the screwdriver as you pull the knob off. Using a twisting motion on the screwdriver rather than prying prevents marking or damaging the front panel.

  • Page 75: Figure 15 Disconnecting Ribbon Cable And Releasing Tab Retainers

    Replacing 6000L Assemblies Retainer Tab 100 MHz Auto Probe Label Center Retainer Tab 500 MHz Auto Probe Label Front Panel PC Board Front Panel Front Panel Ribbon Cable Retainer Tab System Board Retainer Tab Slot Figure 15 Disconnecting ribbon cable and releasing tab retainers 6 Pull the front panel off of the oscilloscope.

  • Page 76: To Remove The System Board

    Replacing 6000L Assemblies To remove the system board 1 Perform the previous procedures: • “To remove the bottom cover" on page 73 2 Remove the intensity knob as described in step 2 on page 3 Disconnect the front panel ribbon cable from the system board by pressing the release tabs.

  • Page 77: Figure 17 Avoid Damage To Thermal Pads (500 Mhz Models Only)

    Replacing 6000L Assemblies 6 Using a 9/23-inch hex driver, remove the two hex standoffs and washers from the GPIB connector 7 Using a T10 Torx driver, remove the 5 screws that hold the system board to the deck. 8 Remove the system board a Lift the back of the board to clear the chassis.
  • Page 78 Replacing 6000L Assemblies 9 Reverse this procedure to reinstall the system board: 6000L Series Oscilloscopes Service Guide...

  • Page 79: To Remove The Power Supply

    Replacing 6000L Assemblies To remove the power supply 1 Perform the previous procedures: • “To remove the bottom cover" on page 73 • “To remove the system board" on page 76 2 Disconnect the ground cable and AC cables from the power supply using a needle nose pliers if necessary.
  • Page 80 Replacing 6000L Assemblies 5 Using a flat-blade screwdriver 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 snap the power supply board off the front snap fastener.

  • Page 81: To Remove The Fan

    Replacing 6000L Assemblies To remove the fan 1 Perform the previous procedures: • “To remove the bottom cover" on page 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.

  • Page 82: Figure 20 Installing The Fan

    Replacing 6000L Assemblies 4 Replace the fan. a Place the rectangular part of the flexible fan mount over the fan. b Place the pegs in the flexible fan mount into the 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.

  • Page 83: To Remove The Ac Power Input Assembly

    Replacing 6000L Assemblies To remove the AC power input assembly 1 Perform the previous procedures: • “To remove the bottom cover" on page 73 • “To remove the power supply" on page 79 • “To remove the fan" on page 81 2 Using a TORX T10 screwdriver, remove the screw securing the power receptacle ground wire to the chassis.

  • Page 84: Figure 21 Removing The Ac Power Input Board

    Replacing 6000L Assemblies Posts (2) & Power Keyholes (2) Shaft T10 Screws AC Input Board Grooved Receptacle Ground Wire Figure 21 Removing the AC power input board. 7 Reverse this procedure to install the AC power input board. 6000L Series Oscilloscopes Service Guide...

  • Page 85: To Remove The Power Shaft

    Replacing 6000L Assemblies To remove the power shaft 1 Perform the previous procedures: • “To remove the bottom cover" on page 73 • “To remove the power 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.
  • Page 86 Replacing 6000L Assemblies 6000L Series Oscilloscopes Service Guide...

  • Page 87: Replaceable Parts

    Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 6 Replaceable Parts Ordering Replaceable Parts / 88 Replaceable 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 assemblies and hardware that you can order.

  • Page 88: Ordering Replaceable Parts

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

  • Page 89: Exchange Assemblies

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

  • Page 90: Replaceable Parts For 6000L Series Oscilloscopes

    Replaceable Parts Replaceable Parts for 6000L Series Oscilloscopes 6000L Series Oscilloscope 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 thank those shown. These views provide reference designator numbers that map to those used in the replaceable parts list table that follows.

  • Page 91: Figure 23 6000L Series Oscilloscope Exploded View

    Replaceable Parts MP12 MP11 MP10 Figure 23 6000L Series Oscilloscope Exploded View 6000L Series Oscilloscopes Service Guide...

  • Page 92: 6000L Series Oscilloscope Replaceable Parts List

    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.
  • Page 93 Replaceable Parts Table 14 6000L Series Oscilloscope Replaceable Parts (continued) Ref Des Keysight Part Qty. Description Number MP10 D6104-94307 Label - main 4 Ch, 100 MHz MP10 D6104-94308 Label - main 4 Ch, 500 MHz/1 GHz MP11 54684-66506 PC board assembly - 4 Ch, 1 GHz MP11 54634-66501 PC board assembly - 4 Ch, 100 MHz...
  • Page 94 Replaceable Parts 6000L Series Oscilloscopes Service Guide...

  • Page 95: Safety Notices

    Keysight InfiniVision 6000L Series Oscilloscopes Service Guide 7 Safety Notices This apparatus has been designed and tested in accordance with IEC Publication 61010-1, Safety Requirements for Measuring Apparatus, and has been supplied in a safe condition. This is a Safety Class I instrument (provided with terminal for protective earthing).

  • Page 96: Warnings

    Safety Notices 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.

  • Page 97: To Clean The Instrument

    Safety Notices To clean the instrument 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 sure that the instrument is completely dry before reconnecting it to a power source.

  • Page 98: Safety Symbols

    Safety Notices Safety Symbols Instruction 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 and preserve safe conditions. Hazardous voltage symbol. Earth terminal symbol: Used to indicate a circuit common connected to grounded chassis.

  • Page 99: Index

    Index Numerics exchange assemblies, exploded view 6000L, ordering parts, front panel, overvoltage category, AC input board removal, fan removal, assemblies parts front panel, exchange, list, exploded view, replacing, ordering, removal, perform user cal, fuse, performance test record, bandwidth pollution degree, verification, definitions, horizontal...
  • Page 100 Index self-alignment, user cal, self-tests, warnings, specifications, warranted specifications, startup sequence, warranty status, User Cal, status, status, user cal, Web control, system board removal, test connector, constructing, digital channels, equipment, points, power, record, threshold accuracy, digital channel, test diagram, trace display problem solving, 56, transient withstand capability, trigger...

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