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6000_series_service_guide.book Page 2 Friday, March 23, 2007 2:43 PM Notices © Agilent Technologies, Inc. 2005-2007 Warranty No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Agilent Technologies, Inc. as governed by United States and international copyright laws.
6000_series_service_guide.book Page 3 Friday, March 23, 2007 2:43 PM In This Service Guide This book provides the service information for the Agilent 6000 Series Oscilloscopes. This manual is divided into these chapters: 1 Characteristics and Specifications This chapter lists characteristics and specifications for the Agilent 6000 Series Oscilloscopes.
6000_series_service_guide.book Page 4 Friday, March 23, 2007 2:43 PM includes diagrams and parts lists for hardware that you can order. At the front of the book you will find safety notice descriptions and document warranties. Using this book with the 6000L Series oscilloscopes The 6000L Series oscilloscopes do not have a built-in display or front panel control keys.
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6000_series_service_guide.book Page 9 Friday, March 23, 2007 2:43 PM Figures Figure 1. Constructing the 8-by-2 Connector 42 Figure 2. Setting Up Equipment and Test Connector for the Threshold Test 46 Figure 3. Connect equipment for voltage measurement accuracy test 51 Figure 4. Using a Blocking Capacitor to Reduce Noise 52 Figure 5. Connect equipment for bandwidth test 55 Figure 6. Connect equipment for internal trigger sensitivity test 62 Figure 7.
6000_series_service_guide.book Page 10 Friday, March 23, 2007 2:43 PM Figures Figure 24. Removing the main shield and disconnecting the display cables 114 Figure 25. Removing the display assembly 115 Figure 26. Installing the display 116 Figure 27. Opening the backlight inverter shield 117 Figure 28. Removing the backlight inverter 119 Figure 29. Removing the backlight inverter shield 120 Figure 30. Closing the shield 121 Figure 31. Release display mount latches 122 Figure 32.
6000_series_service_guide.book Page 11 Friday, March 23, 2007 2:43 PM Figures Figure 53. Figure 54. Figure 55. Figure 56. Figure 57. Figure 58. Figure 59. Figure 60. Removing the power supply. 150 Removing the fan. 152 Installing the fan. 153 Removing the AC power input board. 155 Removing the power shaft. 156 6000A Series Oscilloscope Exploded View 1 of 2 6000A Series Oscilloscope Exploded View 2 of 2 6000A Series Option BAT Oscilloscope Exploded View 171 Figure 61.
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6000_series_service_guide.book Page 13 Friday, March 23, 2007 2:43 PM Tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. Table 9. Table 10. Table 11. Table 12. Table 13. Table 14. Table 15. Table 16. Table 17. Table 18. Table 19.
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6000_series_service_guide.book Page 15 Friday, March 23, 2007 2:43 PM Agilent 6000 Series Oscilloscope User’s Guide 1 Characteristics and Specifications 6000A Series and 6000L Series Environmental Conditions 16 6000A Series and 6000L Series Measurement Category 17 6000A Series Oscilloscope Specifications 19 6000A Series Oscilloscope Characteristics 20 6000L Series Specifications and Characteristics 30 This chapter lists characteristics and specifications for the Agilent 6000 Series Oscilloscopes.
6000_series_service_guide.book Page 16 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications 6000A Series and 6000L Series Environmental Conditions Overvoltage Category This product is intended to be powered by MAINS that comply to Overvoltage Category II, which is typical of cord- and- plug connected equipment. Pollution Degree The 6000 Series Oscilloscope may be operated in environments of Pollution Degree 2 (or Pollution Degree 1).
6000_series_service_guide.book Page 17 Friday, March 23, 2007 2:43 PM Characteristics and Specifications 1 6000A Series and 6000L Series Measurement Category Measurement Category The 6000 Series oscilloscope is intended to be used for measurements in Measurement Category I. Measurement Category Definitions Measurement category I is for measurements performed on circuits not directly connected to MAINS.
6000_series_service_guide.book Page 18 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications 6000A Series and 6000L Series Transient Withstand Capability CAUTION Maximum input voltage for analog inputs: CAT I 300 Vrms, 400 Vpk; transient overvoltage 1.6 kVpk CAT II 100 Vrms, 400 Vpk with 10073C or 10074C 10:1 probe: CAT I 500 Vpk, CAT II 400 Vpk CAUTION CAUTION CAUTION Do not exceed 5 Vrms in 50 Ω mode on the 2-channel models.
6000_series_service_guide.book Page 19 Friday, March 23, 2007 2:43 PM Characteristics and Specifications 1 6000A Series Oscilloscope Specifications All specification are warranted. Specifications are valid after a 30- minute warm- up period and within ±10°C of last “User Cal” temperature.
6000_series_service_guide.book Page 20 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications 6000A Series Oscilloscope Characteristics All characteristics are the typical performance values and are not warranted. Characteristics are valid after a 30- minute warm- up period and within ±10°C of last “User Cal” temperature.
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6000_series_service_guide.book Page 22 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications Vertical system: oscilloscope channels (continued) Dynamic range ±8 div Input impedance MSO/DSO601xA: 1 MΩ ± 1% || 11 pF MSO/DSO603xA/605xA/610xA: 1 MΩ ± 1% || 14 pF or 50 Ω ± 1.
6000_series_service_guide.book Page 23 Friday, March 23, 2007 2:43 PM Characteristics and Specifications Horizontal Range Resolution Timebase accuracy Vernier Delay range Analog delta-t accuracy Logic delta-t accuracy Modes XY Reference positions Trigger system Sources Modes Holdoff time Trigger jitter 1 MSO/DSO601xA: 5 nsec/div to 50 sec/div MSO/DSO603xA: 2 nsec/div to 50 sec/div MSO/DSO605xA: 1 nsec/div to 50 sec/div MSO/DSO610xA: 500 psec/div to 50 sec/div 2.5 psec 15 ppm (±0.
6000_series_service_guide.book Page 24 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications Trigger system (continued) Selections Edge Pattern Pulse width TV Sequence CAN LIN USB I 2C SPI 24 Edge, pulse width, pattern, TV, duration, sequence, CAN, LIN, USB, I2C, SPI, Nth edge burst.
6000_series_service_guide.book Page 25 Friday, March 23, 2007 2:43 PM Characteristics and Specifications 1 Duration Trigger on a multi-channel pattern whose time duration is less than a value, greater than a value, greater than a time value with a timeout, or inside or outside of a set of time values. Minimum duration setting: 2 ns Maximum duration setting: 10 s Nth Edge Burst Trigger on the Nth edge of a burst that occurs after an idle time.
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6000_series_service_guide.book Page 27 Friday, March 23, 2007 2:43 PM Characteristics and Specifications Cursors Waveform math FFT Points Source of FFT Window Noise floor Amplitude Frequency resolution Maximum frequency Storage Save/recall Storage type and format I/O Standard ports Max transfer rate Printer compatibility General characteristics Physical size Weight Probe comp output 1 Manually or automatically placed readout of Horizontal (X, DX, 1/DX) and Vertical (Y, DY).
6000_series_service_guide.book Page 28 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications Trigger out 10 MHz ref in/out Kensington lock When “Triggers” is selected (delay ~17 ns; 23 ns for 100 MHz bandwidth models) 0 to 5 V into open circuit 0 to 2.
6000_series_service_guide.book Page 29 Friday, March 23, 2007 2:43 PM Characteristics and Specifications WA R N I N G 1 Use this instrument only for measurements within its specified measurement categories.
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6000_series_service_guide.book Page 31 Friday, March 23, 2007 2:43 PM Characteristics and Specifications 1 Logic channels (with MSO option) Number of channels Maximum input frequency Sample rate Standard memory depth Vertical resolution Threshold selections Maximum input voltage Glitch detection 16 logic timing channels - labeled D15 - D0 250 MHz 2 GSa/sec one pod, 1 GSa/sec each pod 2.5 Mpts one pod, 1.
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6000_series_service_guide.book Page 33 Friday, March 23, 2007 2:43 PM Characteristics and Specifications 1 Measurement features Automatic measurements Voltage (scope channels only) Time Counter Threshold definition Cursors Waveform math Measurements are continuously updated. Cursors track last selected measurement.
6000_series_service_guide.book Page 34 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications Storage Save/recall (non-volatile) Storage type and format 10 setups and traces can be saved and recalled internally. Secure environment mode (-SEC) ensures setups and traces are stored to volatile memory. USB 1.
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6000_series_service_guide.book Page 36 Friday, March 23, 2007 2:43 PM 1 Characteristics and Specifications Ordering information Model number DSO6104L DSO6054L DSO6014L Description 1 GHz 4-ch DSO 500 MHz 4-ch DSO 100 MHz 4-ch DSO See data sheet for more information. You can find the data sheet online at www.agilent.com/find/mso6000.
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6000_series_service_guide.book Page 38 Friday, March 23, 2007 2:43 PM 2 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). • The connector is used in the digital channel threshold accuracy test.
6000_series_service_guide.book Page 39 Friday, March 23, 2007 2:43 PM Testing Performance 2 Conventions The following conventions will be used when referring to oscilloscope models throughout this chapter.
6000_series_service_guide.book Page 40 Friday, March 23, 2007 2:43 PM 2 Testing Performance List of Test Equipment Below is a list of test equipment and accessories required to perform the performance test verification procedures. Table 4 List of test equipment Equipment Critical Specifications Recommended Model/ Part Number Test connector, 8-by-2* See page 41 for instructions on building test connector. n/a Digital Multimeter 0.1 mV resolution, 0.
6000_series_service_guide.book Page 41 Friday, March 23, 2007 2:43 PM Testing Performance 2 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.
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6000_series_service_guide.book Page 43 Friday, March 23, 2007 2:43 PM Testing Performance 2 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.
6000_series_service_guide.book Page 44 Friday, March 23, 2007 2:43 PM 2 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.
6000_series_service_guide.book Page 45 Friday, March 23, 2007 2:43 PM Testing Performance 2 Table 6 Equipment Required to Test Digital Channel Threshold Accuracy Equipment Critical Specifications Recommended Model/Part Digital Multimeter 0.1 mV resolution, 0.005% accuracy Agilent 34401A Oscilloscope Calibrator DC offset voltage 6.
6000_series_service_guide.book Page 46 Friday, March 23, 2007 2:43 PM 2 Testing Performance 6000L Series Oscilloscope Oscilloscope Calibrator 6000A Series Oscilloscope Digital Multimeter BNC Tee Channels 8 - 15 Channels 0-7 BNC-Banana cable Channels 8 - 15 Test Connector Figure 2 Probe Cables Channels 0-7 Setting Up Equipment and Test Connector for the Threshold Test 4 Use a BNC- banana cable to connect the multimeter to the other side of the BNC Tee.
6000_series_service_guide.book Page 47 Friday, March 23, 2007 2:43 PM Testing Performance 2 7 Press the oscilloscope User softkey, then turn the Entry knob ( ) on the front panel on the oscilloscope to set the threshold test settings as shown in Table 7. Table 7 Threshold Accuracy Voltage Test Settings Threshold voltage setting (in oscilloscope User softkey) DC offset voltage setting (on oscilloscope calibrator) +5.00 V +5.250 V ±1 mV dc Lower limit = +4.750 V Upper limit = +5.250 V –5.00 V –4.
6000_series_service_guide.book Page 48 Friday, March 23, 2007 2:43 PM 2 Testing Performance digital high levels. Record the oscilloscope calibrator voltage in the Performance Test Record (see page 70). Before proceeding to the next step, make sure that you have recorded the oscilloscope calibrator voltage levels for each of the threshold settings shown in Table 7. 9 Use the 8- by- 2 test connector to connect digital channels D15- D8 to the output of the oscilloscope calibrator.
6000_series_service_guide.book Page 49 Friday, March 23, 2007 2:43 PM Testing Performance Table 8 2 Equipment Required to Verify Voltage Measurement Accuracy Equipment Critical Specifications Recommended Model/Part Oscilloscope Calibrator 14 mV to 35 Vdc, 0.1 V resolution Fluke 5820A Digital multimeter Better than 0.
6000_series_service_guide.book Page 50 Friday, March 23, 2007 2:43 PM 2 Testing Performance Table 9 Settings Used to Verify Voltage Measurement Accuracy Volts/Div 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 7V 6.808 V to 7.192 V 500 mV/Div 3.5 V 3.404 V to 3.596 V 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 mV to 359.
6000_series_service_guide.book Page 51 Friday, March 23, 2007 2:43 PM Testing Performance 2 3 Use the BNC tee and cables to connect the oscilloscope calibrator /power supply to both the oscilloscope and the multimeter (see Figure 3).
6000_series_service_guide.book Page 52 Friday, March 23, 2007 2:43 PM 2 Testing Performance The ∆Y value on the lower line of the display should be within the test limits of Table 9. If a result is not within the test limits, go to the “Troubleshooting” chapter. Then return here. 6 Continue to check the voltage measurement accuracy with the remaining Volts/div setting values in Table 9.
6000_series_service_guide.book Page 53 Friday, March 23, 2007 2:43 PM Testing Performance 2 To verify bandwidth This test checks the bandwidth of the oscilloscope. In this test you will use a signal generator and a power meter.
6000_series_service_guide.book Page 54 Friday, March 23, 2007 2:43 PM 2 Testing Performance Table 10 Equipment Required to Verify Bandwidth Equipment Critical Specifications Recommended Model/Part Signal Generator 100 kHz - 1 GHz at 200 mVrms Agilent E4400B/8648A Power Meter/Sensor 1 MHz - 1 GHz ±3% accuracy Agilent E4418B/8482A Power Splitter outputs differ by < 0.
6000_series_service_guide.book Page 55 Friday, March 23, 2007 2:43 PM Testing Performance 2 Signal Generator Oscilloscope Power Splitter 50Ω Feedthrough* N to BNC adapter Power Sensor N Cable Power Meter * 100 MHz models only. Figure 5 Connect equipment for bandwidth test 2 Set up the power meter. Set the power meter to display measurements in units of watts.
6000_series_service_guide.book Page 56 Friday, March 23, 2007 2:43 PM 2 Testing Performance 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. d On 300 MHz, 500 MHz, and 1 GHz models only, set channel 1 Imped to 50 Ohm. e Set the time base to 500 ns/div. f Set the Volts/Div for channel 1 to 200 mV/div.
6000_series_service_guide.book Page 57 Friday, March 23, 2007 2:43 PM Testing Performance 2 9 Change the signal generator output frequency according to the maximum frequency for the oscilloscope using the following: • 1 GHz Models: 1 GHz • 500 MHz Models: 500 MHz • 300 MHz Models: 300 MHz • 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.
6000_series_service_guide.book Page 58 Friday, March 23, 2007 2:43 PM 2 Testing Performance Then after converting the values from the power meter to Vrms: response(dB) = 20 log10 161.6 mV / 185.3 mV = -1.16 dB 210.4 mV/ 211.2 mV 15 The result from step 14 should be between +3.0 dB and - 3.0 dB. Record the result in the Performance Test Record (see page 70). 16 Move the power splitter from the channel 1 to the channel 2 input.
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00_series_service_guide.book Page 60 Friday, March 23, 2007 2:43 PM 2 Testing Performance If the measurements are not within the test limits, go to the “Troubleshooting” chapter. Then return here. 5 Change the calibrator to 100 ns markers. Change the time base to 20 ns/div. Adjust the trigger level to obtain a stable display. 6 Measure 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.
6000_series_service_guide.book Page 61 Friday, March 23, 2007 2:43 PM Testing Performance 2 Test limits for: • Internal trigger on all models: • < 10 mV/div: greater of 1 div or 5 mVpp >=10 mV/div: 0.6 div • External trigger on all 2- channel models (DSO/MSO6xx2A): • Trigger range: 1.0V DC to 100 MHz: < 100 mVpp >100 MHz to max bandwidth: < 200 mVpp • Trigger range: 8.
6000_series_service_guide.book Page 62 Friday, March 23, 2007 2:43 PM 2 Testing Performance Test Internal Trigger Sensitivity (all models) 1 Connect the equipment (see Figure 6). a For 300 MHz, 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.
6000_series_service_guide.book Page 63 Friday, March 23, 2007 2:43 PM Testing Performance 2 2 Verify the trigger sensitivity at maximum bandwidth. 1 GHz models: 1 GHz 500 MHz models: 500 MHz 300 MHz models: 300 MHz 100 MHz models: 100 MHz a Press the Save/Recall key, then press the Default Setup softkey. b On 300 MHz, 500 MHz, and 1 GHz models, set channel 1 Imped to 50 Ohm.
6000_series_service_guide.book Page 64 Friday, March 23, 2007 2:43 PM 2 Testing Performance Test External Trigger Sensitivity (2-channel models) The following test is optional because External Trigger Sensitivity is a characteristic, not a specification. This test applies to 2- channel models only.
6000_series_service_guide.book Page 65 Friday, March 23, 2007 2:43 PM Testing Performance 2 1 Connect the equipment (see Figure 7). a Use the N cable to connect the signal generator to the power splitter input. b Connect one output of the power splitter to the Ext Trigger input. c Connect the power sensor to the other output of the power splitter. Signal Generator Oscilloscope Power Splitter 50Ω Feedthrough* N to BNC adapter Power Sensor N Cable Power Meter * Required for 100 MHz models.
6000_series_service_guide.book Page 66 Friday, March 23, 2007 2:43 PM 2 Testing Performance 2 Set up the oscilloscope. a Press the Save/Recall key, then press the Default Setup softkey. b On 300 MHz, 500 MHz, and 1 GHz models, set the External Trigger impedance to 50 Ohm. 100 MHz models do not have this option, so you need to use a 50 ohm feedthrough terminator as shown in Figure 7. c Change the trigger Mode from Auto to Normal. d Use the Range softkey and the Entry knob to set the range to 1.0 V.
6000_series_service_guide.book Page 67 Friday, March 23, 2007 2:43 PM Testing Performance 2 4 Verify the trigger sensitivity at maximum frequency for trigger range of 8.0 V. a Press the Mode/Coupling key, press the External softkey, then press the Range softkey and use the Entry knob to set the range to 8.0 V. b Adjust the signal generator output for reading on the power meter of 625µW. (500mVpp = 176.78mV rms, Power = Vin2/50Ω = 176.78 mV2/50Ω = 625µW.
6000_series_service_guide.book Page 68 Friday, March 23, 2007 2:43 PM 2 Testing Performance 1 Connect the equipment (see Figure 8). a Use the N cable to connect the signal generator to the power splitter input. b Connect one output of the power splitter to the Aux Trig input through a 50Ω feedthrough termination. c Connect the power sensor to the other output of the power splitter.
6000_series_service_guide.book Page 69 Friday, March 23, 2007 2:43 PM Testing Performance 2 2 Set up the oscilloscope. a Press the Save/Recall key, then press the Default Setup softkey.
6000_series_service_guide.book Page 70 Friday, March 23, 2007 2:43 PM 2 Testing Performance Agilent 6000 Series Oscilloscopes Performance Test Record Serial No. ______________________________________ Test Interval ____________________________________ Recommended Next Testing ________________________ Test by _____________________________ Work Order No. ______________________ Temperature ____________ Threshold Accuracy Test (100 mV + 3% of threshold setting) Limits 4.750 V 5.250 V -5.250 V -4.
6000_series_service_guide.book Page 71 Friday, March 23, 2007 2:43 PM Testing Performance Horizontal ∆t Accuracy Generator Setting Period 100 µs Period 100 ns Period 10 ns1 Period 5 ns2 2 Test Limits 99.8 µs to 100.2 µs 99.8 ns to 100.2 ns 9.93 ns to 10.07 ns 4.96 ns to 5.04 ns Results ________ ________ ________ ________ Test Limits Channel 1 Channel 2 Channel 3* Channel 4* 1 division at 25 MHz 0.6 division at 1 GHz 0.6 division at 500 MHz 0.6 division at 300 MHz 0.
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6000_series_service_guide.book Page 73 Friday, March 23, 2007 2:43 PM Agilent 6000 Series Oscilloscopes Service Guide 3 Calibrating and Adjusting User Calibration 75 This chapter explains how to adjust the oscilloscope for optimum operating performance.
6000_series_service_guide.book Page 74 Friday, March 23, 2007 2:43 PM 3 Calibrating and Adjusting CAUTION CAUTION CAUTION 74 REMOVE POWER TO AVOID DAMAGE! Do not disconnect any cables or remove any assemblies with power applied to the oscilloscope. Otherwise, damage to the oscilloscope can occur.
6000_series_service_guide.book Page 75 Friday, March 23, 2007 2:43 PM Calibrating and Adjusting 3 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.
6000_series_service_guide.book Page 76 Friday, March 23, 2007 2:43 PM 3 Calibrating and Adjusting Use 50Ω RG58AU or equivalent BNC cables when performing User Cal. a For a 2- channel oscilloscope, connect a BNC tee to the equal length cables. Then connect a BNC(f)- to- BNC(f) (also called a barrel connector) to the tee as shown below.
6000_series_service_guide.book Page 77 Friday, March 23, 2007 2:43 PM Calibrating and Adjusting 3 BNC(f)- to- BNC(f) (barrel connector) to the tee as shown below. To Channel 1 To Channel 2 To Channel 3 To Channel 4 Figure 10 Longer cable to TRIG OUT 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 Utility key, then press the Service softkey.
6000_series_service_guide.book Page 78 Friday, March 23, 2007 2:43 PM 3 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.
6000_series_service_guide.book Page 79 Friday, March 23, 2007 2:43 PM Agilent 6000 Series Oscilloscopes Service Guide 4 Troubleshooting Solving General Problems with the Oscilloscope 80 Troubleshooting the Oscilloscope 83 This chapter begins with suggestions for solving general problems that you may encounter with the oscilloscope.
6000_series_service_guide.book Page 80 Friday, March 23, 2007 2:43 PM 4 Troubleshooting Solving General Problems with the Oscilloscope This section describes how to solve general problems that you may encounter while using the Agilent 6000 Series Oscilloscopes to make measurements. After troubleshooting the oscilloscope, if you need to replace parts, refer to the “Replaceable Parts” chapter.
6000_series_service_guide.book Page 81 Friday, March 23, 2007 2:43 PM Troubleshooting 4 ✔ 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 Agilent Technologies, if necessary. If the trace display is unusual or unexpected ✔ Check that the Horizontal time/division setting is correct for the expected frequency range of the input signals.
6000_series_service_guide.book Page 82 Friday, March 23, 2007 2:43 PM 4 Troubleshooting ✔ Check that the oscilloscope probe’s BNC connector is securely attached to the oscilloscope’s input connector. ✔ Check that the probe clips are securely connected to points in the circuit under test. ✔ Check that the circuit under test is powered on. You may have pressed the AutoScale key before an input signal was available.
6000_series_service_guide.book Page 83 Friday, March 23, 2007 2:43 PM Troubleshooting 4 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.
6000_series_service_guide.book Page 84 Friday, March 23, 2007 2:43 PM 4 Troubleshooting Equipment required for troubleshooting The equipment listed in this table is required to troubleshoot the oscilloscope. Table 13 Equipment Required to Troubleshoot the Oscilloscope Equipment Critical Specifications Recommended Model/Part Digital multimeter Accuracy ±0.05,% 1 mV resolution Agilent 34401A Oscilloscope Capable of measuring ≥ 500 MHz signal. 1 MΩ input impedance.
6000_series_service_guide.book Page 85 Friday, March 23, 2007 2:43 PM Troubleshooting 4 3 Connect the power cord to the rear of the oscilloscope, then to a suitable ac voltage source. The oscilloscope power supply automatically adjusts for input line voltages in the range of 100 to 240 VAC. Ensure that you have the correct line cord (see Table 16 on page 160 or Table 4 on page 169). The power cord provided is matched to the country of origin. WA R N I N G AVOID INJURY.
6000_series_service_guide.book Page 86 Friday, March 23, 2007 2:43 PM 4 Troubleshooting • 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. • Both will extinguish. • Both will illuminate again. If a LAN is connected, the LAN indicator will illuminate red. It will turn green when the LAN is connected as it is configured.
6000_series_service_guide.book Page 87 Friday, March 23, 2007 2:43 PM Troubleshooting 4 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/mso6000.
6000_series_service_guide.book Page 88 Friday, March 23, 2007 2:43 PM 4 Troubleshooting If you see the waveform, but the square wave is not shaped correctly as shown above, perform the procedure “To compensate the analog probes” on page 88. If you do not see the waveform, ensure your power source is adequate, the oscilloscope is properly powered- on, and the probe is connected securely to the front- panel analog channel input BNC and to the Probe Comp terminal.
6000_series_service_guide.book Page 89 Friday, March 23, 2007 2:43 PM Troubleshooting 4 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 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_service_guide.book Page 90 Friday, March 23, 2007 2:43 PM 4 Troubleshooting Troubleshooting Flowchart The following flowchart describes how to troubleshoot 6000A Series and 6000L Series models.
6000_series_service_guide.book Page 91 Friday, March 23, 2007 2:43 PM Troubleshooting 4 To check the 6000A Series oscilloscope power supply 1 Disconnect the power cord from the oscilloscope. Then remove the oscilloscope cover. CAUTION USE AN EXTERNAL FAN TO AVOID OVERHEATING COMPONENTS ! When you remove the oscilloscope cover and main shield, use an external fan to provide continuous air flow over the heat sinks.
6000_series_service_guide.book Page 92 Friday, March 23, 2007 2:43 PM 4 Troubleshooting J3200 Pin 1 Pin 9 Figure 14 System Board Test Points 5 Disconnect the cable from the system board and check the voltage between pins 9 & 5 of the connector coming from the power supply. 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_service_guide.book Page 93 Friday, March 23, 2007 2:43 PM Troubleshooting 4 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_service_guide.book Page 94 Friday, March 23, 2007 2:43 PM 4 Troubleshooting To check the 6000L Series oscilloscope power supply WA R N I N G CAUTION NOTE HAZARDOUS VOLTAGES EXIST — HIGH VOLTAGE IS PRESENT ON DSO6000L SERIES POWER SUPPLY HEAT SINKS ! The power supply heat sinks of the 6000L Series oscilloscopes are at a high potential. This presents an electric shock hazard.
6000_series_service_guide.book Page 95 Friday, March 23, 2007 2:43 PM Troubleshooting 4 4 Perform a continuity check on the “DC cable” (item W1 on page 167). If the cable is shorted or open, replace it. If not, continue to the next step. 5 Reconnect the “DC cable” to the power supply, but not to the system board.
6000_series_service_guide.book Page 96 Friday, March 23, 2007 2:43 PM 4 Troubleshooting To check the 6000A Series or 6000L Series system board 1 Remove the cabinet. 2 Check that all cable connections are securely connected from the system board to: • Power supply • Keyboard (6000A Series only) • Display (6000A Series only) • Inverter board (6000A Series only) • Fan 3 Verify the voltages at the system board test points listed in the table below. Refer to Figure 14 on page 92 to locate the test points.
6000_series_service_guide.book Page 97 Friday, March 23, 2007 2:43 PM Troubleshooting 4 6 If all cables are properly connected and none of the previous tests confirm a failure on another assembly, replace the system board. To check the 6000A Series display 1 Disconnect the power cord. 2 Check to verify that the backlight inverter cable is connected. 3 Ensure the display LCD cable is connected. 4 Connect the power cord. 5 Use the DMM to check the Inverter Power voltage (see table below).
6000_series_service_guide.book Page 98 Friday, March 23, 2007 2:43 PM 4 Troubleshooting To check the fan The fan speed is controlled by a circuit on the system board. 1 If the fan is running, perform the internal self- tests. Go to “To run the internal self- tests” on page 99. 2 If the fan is not running, it may be defective. Follow these steps: a Disconnect the fan cable from the system board. b Measure the fan voltage at the connector on the system board.
6000_series_service_guide.book Page 99 Friday, March 23, 2007 2:43 PM Troubleshooting 4 To run the internal self-tests Self Test performs a series of internal procedures to verify that the oscilloscope is operating properly.
6000_series_service_guide.book Page 100 Friday, March 23, 2007 2:43 PM 4 Troubleshooting • Vertical - Channel 1 on, 5 V/div scale, dc coupling, 0 V position, probe factor to 1.
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6000_series_service_guide.book Page 102 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Tools Used for Disassembly Use these tools to remove and replace the oscilloscope assemblies: • T6, T10, and T20 TORX drivers • 5/8- inch and 9/32- inch socket drivers See how the Oscilloscope Parts Fit Together An exploded view of the oscilloscope is included in the “Replaceable Parts” chapter. It shows the individual part numbers used in the assemblies, and shows you how the parts fit together.
6000_series_service_guide.book Page 103 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies CAUTION 5 AVOID DAMAGE TO ELECTRONIC COMPONENTS ! ELECTROSTATIC DISCHARGE (ESD) can damage electronic components. When doing any of the procedures in this chapter, use proper ESD precautions. As a minimum, you should place the instrument on a properly grounded ESD mat and wear a properly grounded ESD strap.
6000_series_service_guide.book Page 104 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies To remove the cabinet 1 Turn off the oscilloscope and disconnect the power cable. 2 Using the T20 TORX driver, remove the two screws from the rear of the cabinet. 3 Using your thumbs, gently push on the rear- panel connectors to slide the oscilloscope out of the cabinet.
6000_series_service_guide.book Page 105 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the handle If you are mounting the instrument on a rack, you will probably need 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.
6000_series_service_guide.book Page 106 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies To remove the storage lid The storage lid is designed to come off without breaking. 1 Push back on the lid until it snaps out of the slots. 2 To reinstall the lid: a Insert the left hinge into the slot. b Push the lid all the way to the left. c Snap the right hinge into the slot.
6000_series_service_guide.book Page 107 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the front panel assembly 1 Perform the following procedures: • “To remove the cabinet” on page 104 2 Insert a flat- blade screwdriver under the center of the intensity knob and gently twist it as you pull the knob off. Using a twisting motion rather than prying prevents marking or damaging the front panel. 3 Remove the T6 screws securing the BNC assembly to the deck.
6000_series_service_guide.book Page 108 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Deck Assembly Retainer Tab Retainer Tab Keyboard Ribbon Cable Figure 21 Disconnecting ribbon cable and releasing tab retainers 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.
6000_series_service_guide.book Page 109 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 7 To reinstall the front panel: a Align the hooks on top of the front panel with their connection holes in the sheet metal and display mount. b Swing the front panel down and ensure that the power switch, intensity shaft and BNC connectors are aligned with the holes in the front panel. c Push the front panel until the two retainer tabs click into place in the deck.
6000_series_service_guide.book Page 110 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies To remove the keyboard assembly 1 Perform the following procedures: • “To remove the cabinet” on page 104 • “To remove the front panel assembly” on page 107 2 If removing the softkey pad only skip steps 3, 4c, and 4d below. 3 Remove all of the knobs by pulling them straight out. You may need to use a flat- blade screwdriver to gently pry them as you pull.
6000_series_service_guide.book Page 111 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies Main Keypad Board Encoder Front Panel Latches (8) Notch Ribbon Cable Figure 23 5 Softkey Board Retaining Tabs and Slots 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_service_guide.book Page 112 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Using a needle nose pliers, carefully remove the two break away tabs connecting the two boards. b Carefully turn the softkey board so that the gold metal contacts face the keypad. Note the way the ribbon cable is dressed in the previous figure. c Align the main keypad board over the keypad inserting the knob shafts into their holes.
6000_series_service_guide.book Page 113 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the display assembly 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the front panel assembly” on page 107 2 Remove the main shield covering the system board by sliding it toward the back of the instrument. WA R N I N G Thin sheet metal parts may have sharp edges. Handle with care to avoid injury.
6000_series_service_guide.book Page 114 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Backlight Inverter Cable Display (LCD) Cable System Board Main Shield Figure 24 Removing the main shield and disconnecting the display cables 4 Using a flat- blade screwdriver, lift the latch tab at the bottom of the display assembly just enough to clear the slot in the deck.
6000_series_service_guide.book Page 115 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 Display (LCD) Assembly Latch Tab Deck Retaining Hooks Latch Slot Figure 25 Removing the display assembly 7 To reinstall the display: a Align the top locating tab with the locating slot in the sheet metal and the retaining hooks with their retaining holes. b Push down on the LCD until it is flat with the deck and at the same time push the LCD to your left.
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6000_series_service_guide.book Page 117 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the backlight inverter board and e-field shield Some older oscilloscope models may not have the e- field shield mentioned in this procedure. 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the power supply shield” on page 125 2 Press to release the top tab and use the hole to aid in releasing the side tab. Then open the shield.
6000_series_service_guide.book Page 118 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 6 Disconnect the LCD cables from the backlight inverter board. 7 Unplug the supply cable from the inverter board.
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6000_series_service_guide.book Page 120 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 8 If the e- field shield requires replacement, use a screwdriver to pry the shield off the studs. Studs Figure 29 Removing the backlight inverter shield 9 To reinstall the backlight inverter board: a Align the shield over the studs and push it all the way down on the studs. b Reconnect the LCD cables looping them around each other and through the cable guides as shown in Figure 28.
6000_series_service_guide.book Page 121 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 f Close the shield. - Insert the shield between the plastic and sheet metal of the display. - Ensure the cables do not get pinched. - 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.
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6000_series_service_guide.book Page 123 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 3 Lift and remove the LCD from under the guides on the right side of the display mount. 4 Remove the gasket and protective lens if necessary. Note the orientation of the gasket.
6000_series_service_guide.book Page 124 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 5 To reinstall: a Place the protective lens into the pocket in the display mount and ensure that the inside of the lens is clean. b Place the gasket into the slot around the lens making sure it is fully seated in the slot all the way around. c Clean the LCD window and insert the LCD under the guides on the right side of the display mount.
6000_series_service_guide.book Page 125 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the power supply shield 1 Perform the previous procedures: “To remove the cabinet” on page 104 2 Pull the shield back to release the 4 side hook legs from the deck. WA R N I N G Thin sheet metal parts may have sharp edges. Handle with care to avoid injury.
6000_series_service_guide.book Page 126 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 3 Lift to remove the shield. 4 When reinstalling: a Ensure dielectric insulator tape is in place. Adhesion area Figure 35 126 Dielectric insulator tape.
6000_series_service_guide.book Page 127 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 b Ensure that tabs and hook legs have not been damaged. Angled tabs Angled hook legs Damaged hook leg Figure 36 Proper hook leg 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 6000 Series Oscilloscopes Service Guide Tilt to insert tabs.
6000_series_service_guide.book Page 128 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies d Tilt the shield down and pull back slightly to insert the 4 side hook legs into their deck slots. e Push the shield forward to lock into place. Ensure all hooks and tabs are correctly in their holes. Insert Figure 38 128 Lock Insert hook legs and lock in place.
6000_series_service_guide.book Page 129 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the power supply 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the power supply shield” on page 125 2 Disconnect the power supply and AC cables. 3 Remove the 4 T10 screws securing the power supply to the deck. then remove the power supply.
6000_series_service_guide.book Page 130 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies To remove the power shaft 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the power supply shield” on page 125 2 Use a flat- blade screwdriver to gently spread the latch while pushing the power shaft forward. CAUTION Twisting the latch too much could cause it to break! Figure 40 Removing the power shaft latch 3 Lift and remove it from the deck.
6000_series_service_guide.book Page 131 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the AC input board 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the power supply shield” on page 125 • “To remove the power shaft” on page 130 2 Disconnect the black power supply cable and the AC input cable. 3 Remove the T15 screw securing the input board to the deck. 4 Slide the board to the right to release it from the 2 posts. 5 Remove the board.
6000_series_service_guide.book Page 132 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 6 Reverse this procedure to reinstall.
6000_series_service_guide.book Page 133 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the batteries (Option BAT only) 1 Perform the previous procedures: • “To remove the cabinet” on page 104 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.
6000_series_service_guide.book Page 134 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 4 Reverse this procedure to replace the batteries. WA R N I N G WA R N I N G Shock hazard. Be careful not to touch the connectors on the battery connection board when re-seating the board. Be careful not to short-circuit the connectors on the battery connection board when re-seating the board. Short-circuited batteries may ignite, explode, leak, or get hot, causing personal injury.
6000_series_service_guide.book Page 135 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the battery controller board (Option BAT only) 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the batteries (Option BAT only)” on page 133 • “To remove the power shaft” on page 130 2 Disconnect the DC cable from the battery controller board (to the system board).
6000_series_service_guide.book Page 136 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Figure 43 Removing the battery controller board 7 Reverse this procedure to replace the battery controller board.
6000_series_service_guide.book Page 137 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the fan 1 Perform the previous procedures: • “To remove the cabinet” on page 104 • “To remove the power supply shield” on page 125 • “To remove the power supply” on page 129 2 Remove the main shield covering the system board by sliding it toward the back of the instrument. WA R N I N G Thin sheet metal parts may have sharp edges. Handle with care to avoid injury.
6000_series_service_guide.book Page 138 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies 4 Slide the fan mount to the side to remove the 4 retainer hooks from their keyholes and lift out. It may help to push on each of the hooks to keep from tearing them. 5 Peel the rubber fan mount off the corners of the fan. Fan Fan mount Keyholes in deck Fan cable Fan mount tab Figure 45 Removing the fan 6 Reverse this procedure to replace the fan assembly.
6000_series_service_guide.book Page 139 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 To remove the system board 1 Perform the previous procedures: • “To remove the cabinet” on page 104 2 Remove the main shield covering the system board by sliding it toward the back of the instrument. WA R N I N G Thin sheet metal parts may have sharp edges. Handle with care to avoid injury. 3 Using a small flat blade screw driver, gently pry and remove the display cable and backlight inverter cable.
6000_series_service_guide.book Page 140 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies Backlight Inverter Cable Keyboard Ribbon Cable Fan Cable Display (LCD) Cable Power Supply Cable System Board Figure 46 Main Shield Preparing to remove the system board 5 Disconnect the power supply cable. 6 Remove the intensity knob by grasping the knob with one hand and gently prying using a flat- blade screwdriver with the other hand.
6000_series_service_guide.book Page 141 Friday, March 23, 2007 2:43 PM Replacing 6000A Assemblies 5 10 Using the T10 TORX driver, remove the five screws that hold the system board to the deck. T10 Screws 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_service_guide.book Page 142 Friday, March 23, 2007 2:43 PM 5 Replacing 6000A Assemblies CAUTION To avoid tearing the thermal pads (on MSO/DSO601xA models) when removing or installing the system board, hold the board up, away from the thermal pads until the BNCs and other components are clear. ICs Thermal pads 12 To reinstall the system board: a Insert the tabs on the board into the slots in the front of the sheet metal; the intensity shaft, BNCs, and CAL lug into their holes.
6000_series_service_guide.book Page 143 Friday, March 23, 2007 2:43 PM Agilent 6000 Series Oscilloscopes Service Guide 6 Replacing 6000L Assemblies To remove the bottom cover 145 To remove the front panel assembly 146 To remove the system board 148 To remove the power supply 150 To remove the fan 152 To remove the AC power input assembly 154 To remove the power shaft 156 This chapter describes how to remove assemblies from the Agilent 6000L Series Oscilloscopes.
6000_series_service_guide.book Page 144 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies part numbers used in the assemblies, and shows you how all of the assemblies fit together. Read All Warnings and Cautions Read the following warnings and cautions before removing and replacing any assemblies in the oscilloscope. WA R N I N G WA R N I N G CAUTION CAUTION 144 HAZARDOUS VOLTAGES ! Read the safety summary at the back of this book before proceeding.
6000_series_service_guide.book Page 145 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies 6 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. 4 Slide the bottom cover back and up to remove.
6000_series_service_guide.book Page 146 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the front panel assembly 1 Perform the following procedures: • “To remove the bottom cover” on page 145 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.
6000_series_service_guide.book Page 147 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies 6 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 50 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.
6000_series_service_guide.book Page 148 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the system board 1 Perform the previous procedures: • “To remove the bottom cover” on page 145 2 Remove the intensity knob as described in step 2 on page 146. 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 connectors using a 5/8- inch socket driver.
6000_series_service_guide.book Page 149 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies Figure 51 6 Preparing to remove the system board 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. b Gently pull the board out until you can disconnect the power supply cable.
6000_series_service_guide.book Page 150 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the power supply 1 Perform the previous procedures: • “To remove the bottom cover” on page 145 • “To remove the system board” on page 148 2 Disconnect the ground 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.
6000_series_service_guide.book Page 151 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies 6 4 Using a T10 Torx driver, remove the 2 screws securing the power supply to the chassis. 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.
6000_series_service_guide.book Page 152 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the fan 1 Perform the previous procedures: • “To remove the bottom cover” on page 145 • “To remove the system board” on page 148 • “To remove the power supply” on page 150 Though the fan can be removed without performing all of the above, it is difficult to reinstall it. 2 Slide the fan and fan mount slightly up and out of the chassis. 3 Remove the fan from the flexible fan mount.
6000_series_service_guide.book Page 153 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies 6 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.
6000_series_service_guide.book Page 154 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the AC power input assembly 1 Perform the previous procedures: • “To remove the bottom cover” on page 145 • “To remove the power supply” on page 150 • “To remove the fan” on page 152 2 Using a TORX T10 screwdriver, remove the screw securing the power receptacle ground wire to the chassis. 3 Using a TORX T10 screwdriver, remove the screw securing the input board to the chassis.
6000_series_service_guide.book Page 155 Friday, March 23, 2007 2:43 PM Replacing 6000L Assemblies T10 Screws Posts (2) & Keyholes (2) 6 Power Shaft 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_service_guide.book Page 156 Friday, March 23, 2007 2:43 PM 6 Replacing 6000L Assemblies To remove the power shaft 1 Perform the previous procedures: • “To remove the bottom cover” on page 145 • “To remove the power supply” on page 150 • “To remove the fan” on page 152 2 Use a flat- blade screwdriver to gently spread the latch while pushing the power shaft forward. CAUTION Twisting the latch too much could cause it to break! Figure 57 Removing the power shaft.
6000_series_service_guide.book Page 157 Friday, March 23, 2007 2:43 PM Agilent 6000 Series Oscilloscopes Service Guide 7 Replaceable Parts Ordering Replaceable Parts 158 Power Cords 160 Replaceable Parts for 6000A Series Oscilloscopes 162 Replaceable Parts for 6000A Series Option BAT Oscilloscopes 170 Replaceable Parts for 6000L Series Oscilloscopes 173 This chapter describes how to order replaceable assemblies and parts for the Agilent 6000 Series Oscilloscopes.
6000_series_service_guide.book Page 158 Friday, March 23, 2007 2:43 PM 7 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.
6000_series_service_guide.book Page 159 Friday, March 23, 2007 2:43 PM Replaceable Parts 7 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.
6000_series_service_guide.book Page 160 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts Power Cords Table 16 160 Power Cords Plug Type Cable Part Number Plug Type Cable Part Number Opt 900 (U.K.) 8120-1703 Opt 918 (Japan) 8120-4754 Opt 901 (Australia) 8120-0696 Opt 919 (Israel) 8120-6799 Opt 902 (Europe) 8120-1692 Opt 920 (Argentina) 8120-6871 Opt 903 (U.S.A.
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6000_series_service_guide.book Page 162 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts Replaceable Parts for 6000A Series Oscilloscopes 6000A 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.
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6000_series_service_guide.book Page 165 Friday, March 23, 2007 2:43 PM Replaceable Parts 7 6000A Series Oscilloscope Replaceable Parts List The information given for each part consists of the following: • Reference designation. • Agilent Technologies part number. • Total quantity (QTY) in the instrument or on assembly. • Description of the part.
6000_series_service_guide.book Page 166 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts Table 17 166 6000A Series Oscilloscope Replaceable Parts (continued) Ref Des Agilent Part Number Qty Description H4 0515-0380 3 Screw - machine m4 x 0.7 - 10 mm lg T15 w/washer H5 0380-0643 2 Standoff - hex 0.255 in. lg 6-32 thd H6 2190-0068 3 Washer - internal tooth lock 0.505 in. id H7 2190-0009 2 Washer - internal tooth lock 0.168 in.
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6000_series_service_guide.book Page 169 Friday, March 23, 2007 2:43 PM Replaceable Parts Table 17 7 6000A Series Oscilloscope Replaceable Parts (continued) Ref Des Agilent Part Number Qty Description W4 54684-61603 1 LVDS display cable W5 8120-1703 0-1 Power cord option 900 3-COND 2-M-LG 13A-FUS W5 8120-0696 0-1 Power cord option 901, Australia W5 8120-1692 0-1 Power cord option 902, Europe W5 8120-1521 0-1 Power cord option 903, U.S.A.
6000_series_service_guide.book Page 170 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts Replaceable Parts for 6000A Series Option BAT Oscilloscopes This section describes the replaceable parts that are unique to the 6000A Series Option BAT battery powered oscilloscopes. 6000A Series Option BAT Oscilloscope Exploded View The following exploded view provides a graphical representation of the oscilloscope at the time this manual was released. Not all parts are shown.
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6000_series_service_guide.book Page 172 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts 6000A Series Option BAT Oscilloscope Replaceable Parts List The information given for each part consists of the following: • Reference designation. • Agilent Technologies part number. • Total quantity (QTY) in the instrument or on assembly. • Description of the part.
6000_series_service_guide.book Page 173 Friday, March 23, 2007 2:43 PM Replaceable Parts 7 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.
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6000_series_service_guide.book Page 175 Friday, March 23, 2007 2:43 PM Replaceable Parts 7 6000L Series Oscilloscope Replaceable Parts List The information given for each part consists of the following: • Reference designation from the exploded view. • Agilent Technologies part number. • Total quantity (QTY) in the instrument or on assembly. • Description of the part. Table 19 6000L Series Oscilloscope Replaceable Parts Ref Des Agilent Part Number Qty .
6000_series_service_guide.book Page 176 Friday, March 23, 2007 2:43 PM 7 Replaceable Parts Table 19 Ref Des 176 6000L Series Oscilloscope Replaceable Parts (continued) Agilent Part Number Qty .
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6000_series_service_guide.book Page 179 Friday, March 23, 2007 2:43 PM Safety Notices This apparatus has been designed and tested in accordance with IEC Publication 1010, 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 that the correct safety precautions are taken (see the following warnings).
6000_series_service_guide.book Page 180 Friday, March 23, 2007 2:43 PM 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. Hazardous voltage symbol. Earth terminal symbol: Used to indicate a circuit common connected to grounded chassis.