Agilent Technologies 6000 Series Service Manual
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Agilent Technologies 6000 Series Service Manual

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  • Page 1 Agilent 6000 Series Oscilloscopes Service Guide Agilent Technologies...
  • Page 2 Use, duplication or disclo- sure of Software is subject to Agilent Tech- nologies’ standard commercial license terms, and non-DOD Departments and Agencies of the U.S. Government will receive no greater than Restricted Rights as 6000 Series Oscilloscopes Service Guide...
  • Page 3 This chapter describes how to remove assemblies from the 6000L Series oscilloscope. Replaceable Parts This chapter describes how to order replaceable assemblies and parts for the Agilent 6000 Series Oscilloscopes. It includes diagrams and parts lists for hardware that you can order. 6000 Series Oscilloscopes Service Guide...
  • Page 4 If you are using a 6000L Series oscilloscope, and this book refers to using front panel controls, you can use the built-in Web control feature described in the 6000 Series Oscilloscopes User’s Guide to complete the instructions. If you do not have the 6000 Series Oscilloscopes User’s Guide, you may obtain a printable electronic copy at www.agilent.com/find/6000manual.

  • Page 5: Table Of Contents

    Measurement Category Definitions 6000A Series and 6000L Series Transient Withstand Capability 6000A Environmental Conditions 6000A Option BAT Environmental Conditions 6000L Environmental Conditions Specifications Contact us Testing Performance Overview Conventions Fluke MET/CAL Procedures List of Test Equipment 6000 Series Oscilloscopes Service Guide...
  • Page 6 To verify trigger sensitivity Test Internal Trigger Sensitivity (all models) Test External Trigger Sensitivity (2-channel models) Test External Trigger Sensitivity (4-channel models) Agilent 6000 Series Oscilloscopes Performance Test Record Calibrating and Adjusting User Calibration To perform User Cal User Cal Status...
  • Page 7 To remove the power shaft To remove the AC input board To remove the batteries (Option BAT only) To remove the battery controller board (Option BAT only) To remove the fan To remove the system board 6000 Series Oscilloscopes Service Guide...
  • Page 8 Replaceable Parts for 6000A Series Option BAT Oscilloscopes 6000A Series Option BAT Oscilloscope Exploded View 6000A Series Option BAT Oscilloscope Replaceable Parts List Replaceable Parts for 6000L Series Oscilloscopes 6000L Series Oscilloscope Exploded Views 6000L Series Oscilloscope Replaceable Parts List Index 6000 Series Oscilloscopes Service Guide...

  • Page 9: Figures

    Figure 19. Installing the hinged storage lid Figure 20. Removing the intensity knob and T6 screws Figure 21. Disconnecting ribbon cable and releasing tab retainers Figure 22. Removing the front panel Figure 23. Removing the keyboard assembly 6000 Series Oscilloscopes Service Guide...
  • Page 10 Figure 48. Removing the cover Figure 49. Removing the intensity knob Figure 50. Disconnecting ribbon cable and releasing tab retainers Figure 51. Preparing to remove the system board Figure 52. Avoid damage to thermal pads (500 MHZ models only) 6000 Series Oscilloscopes Service Guide...
  • Page 11 Figure 58. 6000A Series Oscilloscope Exploded View 1 of 2 Figure 59. 6000A Series Oscilloscope Exploded View 2 of 2 Figure 60. 6000A Series Option BAT Oscilloscope Exploded View Figure 61. 6000L Series Oscilloscope Exploded View 6000 Series Oscilloscopes Service Guide...
  • Page 12 Figures 6000 Series Oscilloscopes Service Guide...

  • Page 13: Tables

    Table 13. System Board Test Points Table 14. Display Signals on the System Board Table 15. 6000A Series Oscilloscope Replaceable Parts Table 16. 6000A Series Option BAT Replaceable Parts Table 17. 6000L Series Oscilloscope Replaceable Parts 6000 Series Oscilloscopes Service Guide...
  • Page 14 Tables 6000 Series Oscilloscopes Service Guide...

  • Page 15: Characteristics And Specifications

    This chapter contains a partial list of characteristics and specifications for the Agilent InfiniiVision 6000 Series Oscilloscopes. For a full list of Agilent InfiniiVision 6000 Series Oscilloscopes characteristics and specifications see the data sheet. The data sheet is available at www.agilent.com/find/6000.

  • Page 16: Power Requirements

    120 W max DC input voltage and power consumption using N5429A automotive adapter 12 Vdc nominal, (10-18 Vdc) 67-75 W 6000L Models Line voltage, frequency, and power Line 100-240 Vac, 50/60 Hz 80 W max 6000 Series Oscilloscopes Service Guide...

  • Page 17: Measurement Category

    Characteristics and Specifications Measurement Category Measurement Category The InfiniiVision 6000 Series oscilloscope is intended to be used for measurements in Measurement Category I. Use this instrument only for measurements within its specified WA R N I N G measurement category.

  • Page 18: 6000A Series And 6000L Series Transient Withstand Capability

    The 50 Ω input protection mode only functions when the oscilloscope C A U T I O N is powered on. Maximum input voltage for logic channels: C A U T I O N ±40 V peak CAT I; transient overvoltage 800 Vpk 6000 Series Oscilloscopes Service Guide...

  • Page 19: 6000A Environmental Conditions

    Occasionally a temporary conductivity caused by condensation may occur. Example: General indoor environment. Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution occurs which becomes conductive due to condensation which is expected. Example: Sheltered outdoor environment. 6000 Series Oscilloscopes Service Guide...

  • Page 20: 6000A Option Bat Environmental Conditions

    Occasionally a temporary conductivity caused by condensation may occur. Example: General indoor environment. Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution occurs which becomes conductive due to condensation which is expected. Example: Sheltered outdoor environment. 6000 Series Oscilloscopes Service Guide...

  • Page 21: 6000L Environmental Conditions

    Occasionally a temporary conductivity caused by condensation may occur. Example: General indoor environment. Pollution Degree 3: Conductive pollution occurs, or dry, non-conductive pollution occurs which becomes conductive due to condensation which is expected. Example: Sheltered outdoor environment. 6000 Series Oscilloscopes Service Guide...

  • Page 22: Specifications

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

  • Page 23: Contact Us

    Netherlands 31 (0) 20 547 2111 Spain 34 (91) 631 3300 Sweden 0200-88 22 55 Switzerland (French) 44 (21) 8113811 (Opt 2) Switzerland (German) 0800 80 53 53 (Opt 1) United Kingdom 44 (0) 7004 666666 Other European countries: www.agilent.com/find/contactus 6000 Series Oscilloscopes Service Guide...
  • Page 24 Characteristics and Specifications 6000 Series Oscilloscopes Service Guide...

  • Page 25: Testing Performance

    To verify time scale accuracy To verify horizontal delta t accuracy To verify trigger sensitivity Agilent 6000 Series Oscilloscopes Performance Test Record This chapter explains how to verify correct oscilloscope operation and perform tests to ensure that the oscilloscope meets the performance specifications.

  • Page 26: Overview

    61. To verify whether a test passes, verify that the reading is within the limits in the Performance Test Record. If a performance test fails If a performance test fails, first perform the User Cal procedure 6000 Series Oscilloscopes Service Guide...

  • Page 27: Conventions

    MET/CAL metrology software. These procedures can be obtained from Fluke. Please see http://www.fluke.com and search for MET/CAL for more information. Please Note: Agilent Technologies, Inc. provides this link for the N O T E convenience of its customers and does not warrant the suitability or performance of the software.

  • Page 28: List Of Test Equipment

    Ω BNC (f) to BNC (m) Feedthrough (qty 2) Agilent 0960-0301 * Required only for testing digital channels of oscilloscopes that have the MSO option. Some parts and equipment are available at www.agilent.com or www.parts.agilent.com. 6000 Series Oscilloscopes Service Guide...

  • Page 29: Table 3 Materials Required To Construct The Test Connectors

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

  • Page 30: 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 6000 Series Oscilloscopes Service Guide...

  • Page 31: To Test Digital Channels (Mso Models Only)

    5 Use steps 2 and 3 to test the following sets of digital channels. After you test one set of digital channels, remove them before connecting the next set. D4, D5, D6, D7 • D8, D9, D10, D11 • D12, D13, D14, D15 • 6000 Series Oscilloscopes Service Guide...

  • Page 32: 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 Agilent 6000 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 33: Table 4 Equipment Required To Test Digital Channel Threshold Accuracy

    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 connect the D0-D7 ground lead to the ground side of the 8-by-2 connector. See Figure 6000 Series Oscilloscopes Service Guide...

  • Page 34: Figure 2. Setting Up Equipment And Test Connector For The

    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. 6000 Series Oscilloscopes Service Guide...

  • Page 35: Table 5 Threshold Accuracy Voltage Test Settings

    Performance Test Record (see page 61). 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 D7-D0 are all at digital high 6000 Series Oscilloscopes Service Guide...

  • Page 36: To Verify Voltage Measurement Accuracy

    • On 100 MHz models full scale is defined 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 6000 Series Oscilloscopes Service Guide...
  • Page 37 Adjust the channel 1 position knob to place the baseline at 0.5 major division from the bottom of the display. b Set the Volts/Div setting to the value in the first line in Table 6000 Series Oscilloscopes Service Guide...
  • Page 38 2 Press the Cursors key, set the Mode softkey to Normal, then press the X Y softkey and select Y. Press the Y1 softkey, then use the Entry knob (labeled on the front panel) to set the Y1 cursor on the baseline of the signal. 6000 Series Oscilloscopes Service Guide...
  • Page 39 Volts/div calibrator setting value in Table Wait a few seconds for the measurement to settle. 5 Press the Y2 softkey, then position the Y2 cursor to the center of the voltage trace using the Entry knob. 6000 Series Oscilloscopes Service Guide...

  • Page 40: Figure 4. Using A Blocking Capacitor To Reduce Noise

    BNC Tee, blocking capacitor, and BNC shorting cap at the oscilloscope channel input to shunt the noise to ground. See Figure Blocking Capacitor BNC shorting To oscilloscope input Figure 4 Using a Blocking Capacitor to Reduce Noise 6000 Series Oscilloscopes Service Guide...

  • Page 41: To Verify Bandwidth

    Test limits at 2 mV/div to 5 V/div • All channels (±3 dB) dc to 300 MHz • 100 MHz Models Test limits at 1 mV/div to 5 V/div • All channels (±3 dB) dc to 100 MHz • 6000 Series Oscilloscopes Service Guide...

  • Page 42: Table 8. Equipment Required To Verify Bandwidth

    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 50Ω feedthrough termination to connect the other splitter output to the channel 1 input on the oscilloscope. 6000 Series Oscilloscopes Service Guide...

  • Page 43: Figure 5 Connect Equipment For Bandwidth Test

    Power Sensor N Cable Power Meter * 100 MHz models only. Connect equipment for bandwidth test Figure 5 2 Set up the power meter. Set the power meter to display measurements in units of watts. 6000 Series Oscilloscopes Service Guide...
  • Page 44 8 Note the reading on the power meter and covert to Vrms using the expression: × Ω Pmeas 1MHz For example, if the power meter reading is 892 uW, then = (892*10 * 50Ω) = 211.2 mV 1MHz 6000 Series Oscilloscopes Service Guide...
  • Page 45 Std Dev(n) = 161.6 mV max freq Then after converting the values from the power meter to Vrms:   161.6 185.3 response(dB) = 20 log = -1.16 dB     210.4 211.2 6000 Series Oscilloscopes Service Guide...
  • Page 46 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. 6000 Series Oscilloscopes Service Guide...

  • Page 47: To Verify Time Scale Accuracy

    Agilent 10503A 1 Set up the signal generator. a Set the output to 10 MHz, approximately 1 V sine wave. 2 Connect the output of the signal generator to oscilloscope channel 1 using the BNC cable. 6000 Series Oscilloscopes Service Guide...
  • Page 48 Calculate the test limits using the following formula: TSA Limit: ± (15 + 2 * YrsSinceMfr) ppm g Record the result and compare it to the limits in the Performance Test Record (see page 61). 6000 Series Oscilloscopes Service Guide...

  • Page 49: To Verify Horizontal Delta T Accuracy

    1 input. 2 Set up the signal source. 1 Select Marker on the oscilloscope calibrator. 2 Set the calibrator for 100 µs markers (period = 100 µs). 6000 Series Oscilloscopes Service Guide...
  • Page 50 On 300 MHz, 500 MHz, and 1 GHz models, change time base to 2 ns/div and the calibrator to 5 ns markers b On 100 MHz models, change time base to 5 ns/div and the calibrator to 10 ns markers 6000 Series Oscilloscopes Service Guide...

  • Page 51: To Verify Trigger Sensitivity

    The internal trigger sensitivity test is mandatory because it is a specification. The external trigger test is optional because it is a characteristic, not a specification. 6000 Series Oscilloscopes Service Guide...

  • Page 52: Table 11 Equipment Required To Verify Trigger Sensitivity

    Power splitter Outputs differ < 0.15 dB Agilent 11667A Cable BNC, Qty 3 Agilent 10503A Adapter N (m) to BNC (f), Qty 3 Agilent 1250-0780 Feedthrough 50Ω BNC (f) to BNC (m) Qty 2 Agilent 0960-0301 6000 Series Oscilloscopes Service Guide...

  • Page 53: Test Internal Trigger Sensitivity (All Models)

    1 input. Signal Generator Oscilloscope 50Ω Feedthrough* N to BNC adapter N Cable * 100 MHz models only. Figure 6 Connect equipment for internal trigger sensitivity test 6000 Series Oscilloscopes Service Guide...
  • Page 54 If adjusting the trigger does not help, see the “Troubleshooting” chapter. Then return here. h Record the result as Pass or Fail in the Performance Test Record (see page 61). 3 Repeat this procedure for the remaining oscilloscope channels. 6000 Series Oscilloscopes Service Guide...

  • Page 55: Test External Trigger Sensitivity (2-Channel Models)

    100 MHz (MSO/DSO6012A), 200 mV • Trigger range = +/- 8 V 1 GHz (MSO/DSO6102A), 500 mV • 500 MHz (MSO/DSO6052A), 500 mV • 300 MHz (MSO/DSO6032A), 500 mV • 100 MHz (MSO/DSO6012A), 500 mV • 6000 Series Oscilloscopes Service Guide...
  • Page 56 Signal Generator Oscilloscope Power Splitter 50Ω Feedthrough* N to BNC adapter Power Sensor N Cable Power Meter * Required for 100 MHz models. Figure 7 Connect equipment for external trigger sensitivity test (2-channel models) 6000 Series Oscilloscopes Service Guide...
  • Page 57 When it is not flashing, the oscilloscope is triggered. f Record the results as Pass or Fail in the Performance Test Record (see page 61). If the test fails, see the “Troubleshooting” chapter. Then return here. 6000 Series Oscilloscopes Service Guide...

  • Page 58: Test External Trigger Sensitivity (4-Channel Models)

    This test applies to 4-channel models only. Verify the external trigger sensitivity at these settings: 1 GHz, 500 MHz, and 300 MHz bandwidth models: • 500 MHz, 500 mV 100 MHz bandwidth models: • 100 MHz, 500 mV 6000 Series Oscilloscopes Service Guide...

  • Page 59: Figure 8 Connect Equipment For External Trigger Sensitivity Test (4-Channel Models)

    Connect the power sensor to the other output of the power splitter. Signal Generator Oscilloscope 50Ω Feedthrough* N to BNC adapter Power Splitter Power Sensor N Cable Power Meter * Required for all models. Figure 8 Connect equipment for external trigger sensitivity test (4-channel models) 6000 Series Oscilloscopes Service Guide...
  • Page 60 When it is not flashing, the oscilloscope is triggered. 8 Record the results as Pass or Fail in the Performance Test Record (see page 61). If the test fails, see the “Troubleshooting” chapter. Then return here. 6000 Series Oscilloscopes Service Guide...

  • Page 61: Agilent 6000 Series Oscilloscopes Performance Test Record

    Testing Performance Agilent 6000 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 62 ________ ________ ________ ________ External trigger (6014, 6034A, 6054, 6104) 6104, 6054, 6034 500 mV at 500 MHz ________ ________ ________ ________ 6014 500 mV at 100 MHz ________ ________ ________ ________ * Where applicable 6000 Series Oscilloscopes Service Guide...

  • Page 63: Calibrating And Adjusting

    Agilent 6000 Series Oscilloscopes Service Guide Calibrating and Adjusting User Calibration 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 64 Electrostatic discharge (ESD) can damage electronic components. When you use any of the procedures in this chapter, use proper ESD precautions. As a minimum, place the oscilloscope on a properly grounded ESD mat and wear a properly grounded ESD strap. 6000 Series Oscilloscopes Service Guide...

  • Page 65: User Calibration

    2 Connect short (12 inch maximum) equal length cables to each analog channel’s BNC connector on the front of the oscilloscope. You will need two equal-length cables for a 2-channel oscilloscope or four equal-length cables for a 4-channel oscilloscope. 6000 Series Oscilloscopes Service Guide...

  • Page 66: Figure 9 User Calibration Cable For 2-Channel Oscilloscope

    TRIG OUT To Channel 1 To Channel 2 Figure 9 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 6000 Series Oscilloscopes Service Guide...

  • Page 67: Figure 10 User Calibration Cable For 4-Channel Oscilloscope

    4 Press the Utility key, then press the Service softkey. 5 Begin the Self Cal by pressing the Start User Cal softkey. 6 When the User Cal is completed, set the rear-panel CALIBRATION switch to PROTECTED. 6000 Series Oscilloscopes Service Guide...

  • Page 68: User Cal Status

    Note that AutoProbes do not need to be calibrated, but InfiniiMax can be calibrated. Results: User Cal date: Change in temperature since last User Cal: Failure: Comments: Probe Cal Status: 6000 Series Oscilloscopes Service Guide...

  • Page 69: Troubleshooting

    Agilent 6000 Series Oscilloscopes Service Guide Troubleshooting Solving General Problems with the Oscilloscope Troubleshooting the Oscilloscope 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 70: Solving General Problems With The Oscilloscope

    Then connect the oscilloscope to the network, establish communication, and use the Remote Front Panel feature described in the 6000 Series Oscilloscopes User’s Guide to control the oscilloscope. If you do not have the user’s guide, you can download it from www.agilent.com/find/6000.
  • Page 71 Troubleshooting Press the AutoScale key. Obtain service from Agilent Technologies, if necessary. 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.
  • Page 72 Digital from the menu bar (6000L Series models with the MSO option). Ensure that the desired channels are turned on. Press the AutoScale key to automatically set up all channels. 6000 Series Oscilloscopes Service Guide...

  • Page 73: Troubleshooting The Oscilloscope

    Troubleshooting Troubleshooting the Oscilloscope The service policy for the Agilent 6000 Series Oscilloscopes is assembly level replacement. 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.

  • Page 74: Equipment Required For Troubleshooting

    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! 6000 Series Oscilloscopes Service Guide...

  • Page 75: Figure 11 6000A Series Start Up Sequence

    It will take about 3 to 4 seconds for the instrument to turn • on. The instrument will go through the basic self test to make sure all the major hardware is working correctly. Figure 11 6000A Series start up sequence 6000 Series Oscilloscopes Service Guide...

  • Page 76: Figure 12 6000L Series Led Indicators

    Reset Switch Indicator Status Switch Indicator Figure 12 6000L Series LED indicators 4 If the lights illuminate, then the power supply is probably working correctly. 5 Proceed to “To verify basic oscilloscope operation” page 77. 6000 Series Oscilloscopes Service Guide...

  • Page 77: 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 6000 Series Oscilloscopes User’s Guide to control the oscilloscope. If you do not have the user’s guide, you can download it from www.agilent.com/find/6000.

  • Page 78: To Compensate The Analog Probes

    BNC connector. Perfectly compensated Over compensated Under compensated comp.cdr Figure 13 Example pulses 3 Connect probes to all other analog channels (channel 2 of a 2-channel oscilloscope, or channels 2, 3, and 4 of a 4-channel 6000 Series Oscilloscopes Service Guide...
  • Page 79 Troubleshooting oscilloscope). Repeat the procedure for each channel. This matches each probe to each channel. The process of compensating the probes serves as a basic test to verify that the oscilloscope is functional. 6000 Series Oscilloscopes Service Guide...

  • Page 80: Troubleshooting Flowchart

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

  • Page 81: To Check The 6000A Series Oscilloscope Power Supply

    Figure 14 on page 82. The voltage should be 15 V ±10%. If the voltage is not correct, continue to the next step. • If the voltage is correct, the power supply is good. • 6000 Series Oscilloscopes Service Guide...

  • Page 82: Figure 14 System Board Test Points

    6 If it is less than 14 V, the problem is in the cable or the power supply. Remove the cable and test it for shorts or opens using the DMM. Replace the defective assembly. 6000 Series Oscilloscopes Service Guide...
  • Page 83 Troubleshooting 7 If the voltage is 15 V ±10% only when the cable is disconnected from the system board, then test the system board. 6000 Series Oscilloscopes Service Guide...

  • Page 84: To Check The 6000L Series Oscilloscope Power Supply

    5 If the voltage is not correct: 1 Disconnect the power cord. 2 Remove the fan. See “To remove the fan” on page 140. 3 Disconnect plug J3 from the power supply and from the system board. 6000 Series Oscilloscopes Service Guide...
  • Page 85 “DC cable”. The voltage should be 15 V ±10%. If the voltage is correct, then test the system board • (see page 86). If the voltage is not correct, then replace the power supply • (see page 138). 6000 Series Oscilloscopes Service Guide...

  • Page 86: To Check The 6000A Series Or 6000L Series System Board

    Disconnect J2750 from the system board and measure • pins 3 and 4. This is the voltage to the inverter, and it should be 5 V. If it is not, replace the system board. If the voltage is correct, replace the display. 6000 Series Oscilloscopes Service Guide...

  • Page 87: To Check The 6000A Series Display

    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. 6000 Series Oscilloscopes Service Guide...

  • Page 88: To Check The Fan

    If the fan voltage is not approximately +8.5 Vdc, replace the system board. The proper voltage range depending on temperature is between +6.0 Vdc to +11.5 Vdc. Connector J3400 Location of the Fan Connector (shown on 6000A model) Figure 15 6000 Series Oscilloscopes Service Guide...

  • Page 89: To Run The Internal Self-Tests

    This returns the oscilloscope to its factory 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 6000 Series Oscilloscopes Service Guide...

  • Page 90: Figure 16 Default Setup Screen

    Display - Vectors on, 20% grid intensity, infinite persistence • Other - Acquire mode normal, Run/Stop to Run, cursor • measurements off Default setup screen Figure 16 3 If your screen looks substantially different, replace the system board. 6000 Series Oscilloscopes Service Guide...

  • Page 91: Replacing 6000A Assemblies

    Agilent 6000 Series Oscilloscopes Service Guide Replacing 6000A Assemblies To remove the cabinet To remove the handle To remove the storage lid To remove the front panel assembly To remove the keyboard assembly To remove the display assembly To remove the display assembly...
  • Page 92 C A U T I O N Remove power before you begin to remove and replace assemblies. Do not remove or replace assemblies while the oscilloscope is turned on, or damage to the components can occur. 6000 Series Oscilloscopes Service Guide...
  • Page 93 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. 6000 Series Oscilloscopes Service Guide...

  • Page 94: To Remove The Cabinet

    3 Using your thumbs, gently push on the rear-panel connectors to slide the oscilloscope out of the cabinet. T-20 Screw Gently push on the connectors T-20 Screw Figure 17 Removing the cabinet 6000 Series Oscilloscopes Service Guide...

  • Page 95: To Remove The Handle

    1 Rotate the handle downward until it just passes the last detent position; this is about 1/2 inch before the handle touches the bottom of the oscilloscope. 2 Pull the sides of the handle out of the cabinet and remove. Figure 18 Removing handle 6000 Series Oscilloscopes Service Guide...

  • Page 96: To Remove The Storage Lid

    Push the lid all the way to the left. c Snap the right hinge into the slot. Insert hinge into slot Push Snap second hinge into place Figure 19 Installing the hinged storage lid 6000 Series Oscilloscopes Service Guide...

  • Page 97: To Remove The Front Panel Assembly

    4 Disconnect the keyboard ribbon cable from the keyboard. 5 Use a flat-blade screwdriver to the release retainer tabs and then push the panel forward. Ensure that the retainer tab on the display side moves past the rear edge of the display mount. 6000 Series Oscilloscopes Service Guide...

  • Page 98: Figure 22. Removing The Front Panel

    6 Swing the front panel out until the bottom clears the deck assembly, then lift it up to free the hooks on top and pull it away from the deck. Retainer Display mount Swing front panel out Deck Figure 22 Removing the front panel 6000 Series Oscilloscopes Service Guide...
  • Page 99 Push the front panel until the two retainer tabs click into place in the deck. d Reinstall the T6 screws on the BNC connectors. e Connect the keyboard ribbon cable. 6000 Series Oscilloscopes Service Guide...

  • Page 100: To Remove The Keyboard Assembly

    This is shown with arrows in the following figure. e Lift the board up just enough to clear the latches. f Lift both boards out being careful not to damage the ribbon cable between them. 5 Remove and replace keypads as needed. 6000 Series Oscilloscopes Service Guide...

  • Page 101: Figure 23. Removing The Keyboard Assembly

    6 When reinstalling the boards: a If you have a new main board assembly, you will need to separate the softkey board from the main keypad board. Using a needle nose pliers, carefully remove the two process tabs. 6000 Series Oscilloscopes Service Guide...
  • Page 102 Replace the knobs by supporting the back of each encoder and pushing the knob fully onto the shaft. 6000 Series Oscilloscopes Service Guide...

  • Page 103: To Remove The Display Assembly

    WA R N I N G 3 Using a small flat blade screw driver, gently pry the display and backlight inverter cables to disconnect them from the system board. Note the cable routing through the system board for reinstallation. 6000 Series Oscilloscopes Service Guide...

  • Page 104: Figure 24. Removing The Main Shield And Disconnecting The Display

    5 Push the entire display assembly to the right to release the retaining hooks from their slots in the deck 6 Lift and remove the display assembly. 6000 Series Oscilloscopes Service Guide...

  • Page 105: Figure 25. Removing The Display Assembly

    LCD to your left. c Ensure the latch tab is seated in its hole as shown in Figure d Route the cables down through the deck hole and reconnect to the system board as shown in Figure 6000 Series Oscilloscopes Service Guide...

  • Page 106: Figure 26 Installing The Display

    Replacing 6000A Assemblies Top Locating Tab Locating Slot Retaining Hole Deck Retaining Hook Figure 26 Installing the display 6000 Series Oscilloscopes Service Guide...

  • Page 107: To Remove The Backlight Inverter Board And E-Field Shield

    3 Remove the LCD cables from the cable guides. 4 Release the top latch and lift the top of the board off the top alignment post. 5 Release the bottom latch and lift the board off the bottom alignment post. 6000 Series Oscilloscopes Service Guide...

  • Page 108: Figure 28 Removing The Backlight Inverter

    7 Unplug the supply cable from the inverter board. Top Alignment Post Top Latch LCD Cables Display Mount Cable Groove Cable Guides Supply Cable Bottom Alignment Post Bottom Alignment Latch Figure 28 Removing the backlight inverter 6000 Series Oscilloscopes Service Guide...

  • Page 109: Figure 29 Removing The Backlight Inverter Shield

    Align the holes in the inverter board with the posts on the display mount and push down until the latches snap over the board (refer to Figure 28). e Route the cables through the cable guides as shown. 6000 Series Oscilloscopes Service Guide...

  • Page 110: Figure 30 Closing The Shield

    - After closing, use your fingers to gently pinch along the perforated edge of the shield to square the corner and ensure that the release tabs are in their slots. Plastic Perforated Edge Display Sheet Metal Figure 30 Closing the shield 6000 Series Oscilloscopes Service Guide...

  • Page 111: To Remove The Lcd, Gasket, And Protective Lens From The Display Mount

    107 2 Use a long-nose pliers or flat-blade screwdriver to push and release the two LCD latches on the left side of the display mount. Display Mount LCD Latches Release display mount latches Figure 31 6000 Series Oscilloscopes Service Guide...

  • Page 112: Figure 32 Removing The Lcd, Gasket, And Protective Lens

    4 Remove the gasket and protective lens if necessary. Note the orientation of the gasket. LCD Latches Display Mount Protective Lens Gasket LCD Guides Figure 32 Removing the LCD, gasket, and protective lens 6000 Series Oscilloscopes Service Guide...

  • Page 113: Figure 33 Latch Over Face Of Sheet Metal Housing

    Sheet metal face Latch Figure 33 Latch over face of sheet metal housing e Reinstall the backlight inverter (see step 9 page 109). 6000 Series Oscilloscopes Service Guide...

  • Page 114: To Remove The Power Supply Shield

    Thin sheet metal parts may have sharp edges. Handle with care to avoid injury. WA R N I N G Pull back Hook legs Pull back Hook leg Hook leg Slot in deck Figure 34 Release hook legs from deck. 6000 Series Oscilloscopes Service Guide...

  • Page 115: Figure 35 Dielectric Insulator Tape

    Replacing 6000A Assemblies 3 Lift to remove the shield. 4 When reinstalling: a Ensure dielectric insulator tape is in place. Adhesion area Dielectric insulator tape. Figure 35 6000 Series Oscilloscopes Service Guide...

  • Page 116: Figure 36 Proper Angles For Tabs And Hook Legs

    Proper angles for tabs and hook legs. c Insert the 4 tabs at the front of the shield by tilting the shield up. Tilt up Insert tabs in deck slots Figure 37 Tilt to insert tabs. 6000 Series Oscilloscopes Service Guide...

  • Page 117: Figure 38 Insert Hook Legs And Lock In Place

    Push the shield forward to lock into place. Ensure all hooks and tabs are correctly in their holes. Insert Lock Figure 38 Insert hook legs and lock in place. 6000 Series Oscilloscopes Service Guide...

  • Page 118: To Remove The Power Supply

    3 Remove the 4 T10 screws securing the power supply to the deck. then remove the power supply. Power Supply Cable T10 Screws (4) AC Cable Power Supply Figure 39 Removing the power supply 4 Reverse this procedure to install the power supply. 6000 Series Oscilloscopes Service Guide...

  • Page 119: To Remove The Power Shaft

    Figure 40 Removing the power shaft latch 3 Lift and remove it from the deck. 4 When reinserting the power shaft, push the shaft into the power switch until the shaft snaps onto the switch. 6000 Series Oscilloscopes Service Guide...

  • Page 120: To Remove The Ac Input Board

    5 Remove the board. Black Power Ground Cable Supply Cable AC Input Cable Keyholes (2) Posts (2) T15 Screw AC Input Board Figure 41 Removing the AC input board 6 Reverse this procedure to reinstall. 6000 Series Oscilloscopes Service Guide...

  • Page 121: To Remove The Batteries (Option Bat Only)

    94 • 2 Remove the two T15 screws from the battery enclosure lid, and open the battery enclosure lid. 3 Pull upward on the battery straps to remove the batteries. Figure 42 Removing the batteries 6000 Series Oscilloscopes Service Guide...
  • Page 122 Short-circuited batteries may ignite, explode, leak, or get hot, causing personal injury. When re-installing batteries, you may have to re-seat the • battery connection board. If disposing old batteries, follow the disposal instructions • on the batteries. 6000 Series Oscilloscopes Service Guide...

  • Page 123: To Remove The Battery Controller Board (Option Bat Only)

    5 Remove the two T10 and one T15 screws securing the battery controller board to the deck. 6 Slide the battery controller board away from the battery enclosure to the board’s slot opening, and lift the board upward to remove it from the deck. 6000 Series Oscilloscopes Service Guide...

  • Page 124: Figure 43 Removing The Battery Controller Board

    Replacing 6000A Assemblies Removing the battery controller board Figure 43 7 Reverse this procedure to replace the battery controller board. 6000 Series Oscilloscopes Service Guide...

  • Page 125: To Remove The Fan

    Thin sheet metal parts may have sharp edges. Handle with care to avoid injury. WA R N I N G 3 Disconnect the fan cable from the system board. Main shield Fan cable Figure 44 Removing main shield and disconnecting fan cable. 6000 Series Oscilloscopes Service Guide...

  • Page 126: Figure 45 Removing The Fan

    6 Reverse this procedure to replace the fan assembly. When re-installing, note the position of the tab on the fan • mount and the direction of the fan cable. Ensure that the assembly is locked into the keyholes • 6000 Series Oscilloscopes Service Guide...

  • Page 127: To Remove The System Board

    3 Using a small flat blade screw driver, gently pry and remove the display cable and backlight inverter cable. 4 Disconnect the fan cable and keyboard ribbon cable then push all cables back through the hole in the system board. 6000 Series Oscilloscopes Service Guide...

  • Page 128: Figure 46 Preparing To Remove The System Board

    Figure 20 page 97). 8 Remove the three hex nuts and washers from the rear BNCs using the 5/8-inch socket driver. 9 Using the 9/32 hex driver, remove two hex standoffs and washers from GPIB connector. 6000 Series Oscilloscopes Service Guide...

  • Page 129: Figure 47 Removing The System Board

    Intensity Knob (not shown) Hex Nuts & Washers Hex Standoffs Figure 47 Removing the system board 11 Lift the back of the board to clear the main deck and then gently pull the board straight out. 6000 Series Oscilloscopes Service Guide...
  • Page 130 Figure 46 page 128. g Replace the intensity knob by supporting the back of the encoder and pushing the knob fully onto the shaft. 6000 Series Oscilloscopes Service Guide...

  • Page 131: Replacing 6000L Assemblies

    Agilent 6000 Series Oscilloscopes Service Guide Replacing 6000L Assemblies To remove the bottom cover To remove the front panel assembly To remove the system board To remove the power supply To remove the fan To remove the AC power input assembly...
  • Page 132 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. 6000 Series Oscilloscopes Service Guide...

  • Page 133: To Remove The Bottom Cover

    3 Using a T10 screwdriver, remove 5 screws from the rear and sides of the cabinet. 4 Slide the bottom cover back and up to remove. T-10 Screw T-10 Screws T-10 Screw Figure 48 Removing the cover 6000 Series Oscilloscopes Service Guide...

  • Page 134: To Remove The Front Panel Assembly

    4 Use a flat-blade screwdriver to release the center retainer tab and push it slightly out of the slot. 5 Use a flat-blade screwdriver to release the 2 side retainer tabs and remove them from their slots. 6000 Series Oscilloscopes Service Guide...

  • Page 135: Figure 21. Disconnecting Ribbon Cable And Releasing Tab Retainers

    Disconnecting ribbon cable and releasing tab retainers 6 Pull 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. 6000 Series Oscilloscopes Service Guide...

  • Page 136: To Remove The System Board

    5 Remove the 3 hex nuts and washers from the rear BNC connectors using a 5/8-inch socket driver. Backlight Inverter Cable T10 Screws System Board Power Supply Cable Power Supply Cable Front Panel Cable Fan Cable Standoffs 6000 Series Oscilloscopes Service Guide...

  • Page 137: Figure 51 Preparing To Remove The System Board

    Thermal Pads Figure 52 Avoid damage to thermal pads (500 MHZ models only) 9 Reverse this procedure to reinstall the system board: 6000 Series Oscilloscopes Service Guide...

  • Page 138: To Remove The Power Supply

    3 Press the release latch to disconnect the power input board cable from the power input board. Power to System Board T10 Screws Connector Ground Connector Hole in Divider Power Input Board Cable Snap Power Input Fasteners Board Figure 53 Removing the power supply. 6000 Series Oscilloscopes Service Guide...
  • Page 139 6 Using a twisting motion, with a flat-blade screwdriver gently snap the power supply board off the front snap fastener. 7 Reverse this procedure to install the power supply. 6000 Series Oscilloscopes Service Guide...

  • Page 140: To Remove The Fan

    2 Slide the fan and fan mount slightly up and out of the chassis. 3 Remove the fan from the flexible fan mount. Flexible Fan Mount Chassis Divider Figure 54 Removing the fan. 6000 Series Oscilloscopes Service Guide...

  • Page 141: Figure 55 Installing The Fan

    Ensure that the notch in the rectangular portion of the fan mount aligns with the front of the chassis. Pegs Fit in Fan Holes Align Notch Chassis Holes in Bottom Fit Over Studs Chassis Divider Installing the fan. Figure 55 6000 Series Oscilloscopes Service Guide...

  • Page 142: To Remove The Ac Power Input Assembly

    Avoid breaking the power shaft. Use one hand on each of the 2 pieces C A U T I O N of the assembly to keep it in alignment as you remove it. 6000 Series Oscilloscopes Service Guide...

  • Page 143: Figure 56. Removing The Ac Power Input Board

    Posts (2) & Power Keyholes (2) Shaft T10 Screws AC Input Board Grooved Receptacle Ground Wire Figure 56 Removing the AC power input board. 7 Reverse this procedure to install the AC power input board. 6000 Series Oscilloscopes Service Guide...

  • Page 144: To Remove The Power Shaft

    C A U T I O N Figure 57 Removing the power shaft. 3 Lift and remove it from the deck. 4 When reinserting the power shaft, push the shaft into the power switch until the shaft snaps onto the switch. 6000 Series Oscilloscopes Service Guide...

  • Page 145: Replaceable Parts

    Replaceable Parts for 6000A Series Option BAT Oscilloscopes Replaceable Parts for 6000L Series Oscilloscopes This chapter describes how to order replaceable assemblies and parts for the Agilent 6000 Series Oscilloscopes. Diagrams and parts lists are included for assemblies and hardware that you can order.

  • Page 146: Ordering Replaceable Parts

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

  • Page 147: Exchange Assemblies

    Replaceable Parts In order for Agilent Technologies to provide these advantages, please send a check or money order with each order. Mail order forms and specific ordering information are available through your local Agilent Technologies Sales Office. Addresses and telephone numbers are located in a separate document shipped with the manuals.

  • Page 148: Replaceable Parts For 6000A Series Oscilloscopes

    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. 6000 Series Oscilloscopes Service Guide...

  • Page 149: Figure 58 6000A Series Oscilloscope Exploded View 1 Of

    Replaceable Parts Figure 58 6000A Series Oscilloscope Exploded View 1 of 2 6000 Series Oscilloscopes Service Guide...

  • Page 150: Figure 59 6000A Series Oscilloscope Exploded View 2 Of

    Replaceable Parts Figure 59 6000A Series Oscilloscope Exploded View 2 of 2 6000 Series Oscilloscopes Service Guide...

  • Page 151: 6000A Series Oscilloscope Replaceable Parts List

    Power Supply (not in Option BAT) 2950-0054 Hex Nut - 1/2-28 thd 0515-0658 Screw - machine m2 x 0.4 - 6 mm lg T6 - w/washer 0515-0372 Screw - machine m3 x 0.5 - 8 mm lg T10 - w/washer 6000 Series Oscilloscopes Service Guide...
  • Page 152 ID label 4-ch 100 MHz DSO MP11 54634-94302 ID label 4-ch 100 MHz MSO MP11 54662-94301 ID label 2-ch 300 MHz DSO MP11 54662-94302 ID label 2-ch 300 MHz MSO MP11 54664-94301 ID label 4-ch 300 MHz DSO 6000 Series Oscilloscopes Service Guide...
  • Page 153 MP15 54801-47407 Knob - 12 mm pink MP16 54801-47402 Knob - 18 mm gray MP16 54801-47408 Knob - 18 mm yellow MP16 54801-47409 Knob - 18 mm green MP16 54801-47410 Knob - 18 mm purple 6000 Series Oscilloscopes Service Guide...
  • Page 154 Label, front panel, 4-ch 300 MHz, 500 MHz, 1 GHz MP29 54684-94306 Label, MSO MP30 54684-94316 Front panel overlay - Simplified Chinese (optional) MP30 54684-94317 Front panel overlay - Traditional Chinese (optional) MP30 54684-94318 Front panel overlay - Japanese (optional) 6000 Series Oscilloscopes Service Guide...
  • Page 155 Agilent sales office for replacement. 54695-61605 Ground cable 54620-61801 Cable assembly, logic 10073C Passive Probe 10:1, 500 MHz 10074C Passive Probe 10:1, 150 MHz 5090-4833 Grabber kit assembly 5959-9334 Probe grounds, 2-inch, quantity 5 *Optional item. 6000 Series Oscilloscopes Service Guide...

  • Page 156: Replaceable Parts For 6000A Series Option Bat Oscilloscopes

    Not all parts are shown. Your parts may be slightly different thank those shown. This view provides reference designator numbers that map to those used in the replaceable parts list table that follows. 6000 Series Oscilloscopes Service Guide...

  • Page 157: Figure 60. 6000A Series Option Bat Oscilloscope Exploded

    Replaceable Parts Figure 60 6000A Series Option BAT Oscilloscope Exploded View 6000 Series Oscilloscopes Service Guide...

  • Page 158: 6000A Series Option Bat Oscilloscope Replaceable Parts List

    Screw - machine m4 x 0.7 - 10 mm lg T15 - w/washer MP30 54684-01202 Battery lid MP31 54684-01205 Battery enclosure 0950-4866 AC adapter 54684-61615 External ground cable N5429A 12V DC automotive adapter cable (accessory, not included) 6000 Series Oscilloscopes Service Guide...

  • Page 159: Replaceable Parts For 6000L Series Oscilloscopes

    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. 6000 Series Oscilloscopes Service Guide...

  • Page 160: Figure 61 6000L Series Oscilloscope Exploded View

    Replaceable Parts MP12 MP11 MP10 Figure 61 6000L Series Oscilloscope Exploded View 6000 Series Oscilloscopes Service Guide...

  • Page 161: 6000L Series Oscilloscope Replaceable Parts List

    ID Label - 4 Ch, DSO 1 GHz D6104-94302 ID Label - 4 Ch, DSO 500 MHz D6104-94303 ID Label - 4 Ch, DSO 100 MHz 54801-47401 Knob - 12 mm flint gray 54684-94314 Label - auto probe 6000 Series Oscilloscopes Service Guide...
  • Page 162 PC board assembly - 4 Ch, 1 GHz MP11 54634-66501 PC board assembly - 4 Ch, 100 MHz MP11 54674-66506 PC board assembly - 4 Ch, 500 MHz MP12 0950-4853 Power supply D6104-61607 DC cable D6104-61601 Keyboard cable 6000 Series Oscilloscopes Service Guide...

  • Page 163: Index

    19, 20, cleaning the instrument, grounds, probe, compensating your probe, connecting for threshold test, parts contact Agilent, handle, removing, list, 151, 158, horizontal ordering, accuracy verification, passive probe, perform user cal, 6000 Series Oscilloscopes Service Guide...
  • Page 164 151, 158, user calibration, replacing assemblies, 91, run self-tests, verify bandwidth, safety notice, 63, 73, 74, 84, digital channel, self-alignment, user cal, horizontal accuracy, self-tests, trigger, softkey pad, removal, voltage measurement accuracy, specifications, 6000 Series Oscilloscopes Service Guide...
  • Page 165 (3) Make sure that the instrument is completely dry before reconnecting it to a power source. 6000 Series Oscilloscopes Service Guide...
  • Page 166 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. Hazardous voltage symbol. Earth terminal symbol: Used to indicate a circuit common connected to grounded chassis. 6000 Series Oscilloscopes Service Guide...

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