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Tektronix TDS 520A, Руководство по обслуживанию


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Brief Procedures

Performance Verification

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Conventions

Содержание TDS 520A

Страница 1: ...buy your excess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of th...

Страница 2: ...ing Oscilloscope 070 8713 03 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to the Safety Summary prior to performing service ...

Страница 3: ...2 33 3 15 4 9 2 5 15 4 3425 4 3 5 452 4 4 4 4 3 6 3 8 5 15 43 5 429 5 452 3 4 3 73 42 8 6 24 2 42 8 4 4 9 42 8 0 42 8 2 6 4 2 3 3425 43 5 452 2 42 8 9 84 2 6 23 543 4 4 4 4 3 2 33 47 4 0 4 4 9 4 5 429 5 452 2 0 2 2 32 4 42 8 8 6 24 2 4 092 4 E 42 8 2 43 2 3 26 42 8 02 5 43 2 6 2 9 2 0 4 43 335 0 7 2 2 34 2 42 2 3 ...

Страница 4: ...ILITY OR FITNESS FOR A PARTICULAR PURPOSE TEKTRONIX RESPONSIBILITY TO REPAIR OR REPLACE DEFECTIVE PRODUCTS IS THE SOLE AND EXCLUSIVE REMEDY PROVIDED TO THE CUSTOMER FOR BREACH OF THIS WARRANTY TEKTRONIX AND ITS VENDORS WILL NOT BE LIABLE FOR ANY INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES IRRESPECTIVE OF WHETHER TEKTRONIX OR THE VENDOR HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES...

Страница 5: ......

Страница 6: ... General Product Description 1Ć1 User Interface 1Ć2 Signal Acquisition System 1Ć3 Horizontal System 1Ć4 Trigger System 1Ć5 Acquisition Control 1Ć6 OnĆBoard User Assistance 1Ć6 Measurement Assistance 1Ć6 Storage and I O 1Ć7 Display 1Ć8 Nominal Traits 1Ć9 Warranted Characteristics 1Ć15 Typical Characteristics 1Ć21 ...

Страница 7: ... 0 0 0 Finding Other Information 2Ć5 General Information 2Ć7 Supplying Operating Power 2Ć7 0 0 0 Operating Environment 2Ć10 0 0 Applying and Interrupting Power 2Ć11 0 0 Repackaging Instructions 2Ć12 Installed Options 2Ć12 General Operating Instructions 2Ć13 Screen Layout 2Ć13 Basic Procedures 2Ć13 0 0 0 0 0 Theory of Operation Circuit Description 3Ć1 Logic Conventions 3Ć1 Module Overview 3Ć1 ...

Страница 8: ...6 37 4 56 14 Signal Acquisition System Checks 4Ć23 74 1 5 6 41 66 0 0 0 1 6 574 06 74 0 1 0 9 6 69 0 00 5 Time Base System Checks 4Ć39 74 14 10 4 2 6 0 6 574 065 Trigger System Checks 4Ć42 74 14 7 5 6 14 7 5 6 4 4 0 74 4 4 8 14 4 5 1 172 05 6 8 6 4 4 172 Output Signal Checks 4Ć54 762765 0 0 0 4 4 0 10 41 1 2 05 614 762765 Option 05 Video Trigger Checks 4Ć61 1 4 4 Adjustment Procedures Adjustment P...

Страница 9: ...9 423 3 1 1 04 8 2 2 9 Display Assembly Adjustment 5Ć19 1 3 22 31 23 423 3 1 8 9 3 3 1 3 22 31 23 423 3 1 8 9 Maintenance Maintenance Information 6Ć1 Procedures Not In This Section 6Ć1 Preventing Electrostatic Discharge ESD 6Ć2 1 43 2 9 42 3 38 3 9 Inspection and Cleaning 6Ć5 General Care 6Ć5 Inspection and Cleaning Procedures 6Ć5 2 3 73 1 1 9 1 41 73 1 1 9 2 3 3 1 1 9 1 41 3 1 1 9 4 1 3 9 Removal...

Страница 10: ...38 22 7 8 2 78 1 22 7 8 3 4 2 8 Procedures for OuterĆChassis Modules 6Ć31 33 4 3 1 22 7 8 8 42 6 1 2 8 1 1 1 31 2 1 7 3 1 8 1 1 1 8 1 22 1 2 7 1 8 5 1 1 1 32 8 18 2 8 04 2 3 1 8 7 2 8 1 22 2 8 Procedures for InnerĆChassis Modules 6Ć51 6 3 6 1 4 7 8 1 2 7 22 7 4 7 42 8 1 3 4 8 22 2 8 Disassembly for Cleaning 6Ć60 Troubleshooting 6Ć63 TDS 520A 524A 540A 544A Diagnostics 6Ć63 Firmware Updates 6Ć64 ...

Страница 11: ...Table of Contents Contents vi Options Electrical Parts List Diagrams Mechanical Parts List ...

Страница 12: ...6 1 0 1 0 9 6 74 0 6 56 11 72 74 574 06 1 00 74 0 6 56 11 72 74 574 06 1 74 10 4 0 74 0 6 56 11 72 74 574 06 1 74 14 7 5 0 6 4 4 0 74 0 6 56 11 72 74 574 06 1 4 4 8 74 74 0 6 56 11 72 0 0 74 0 6 56 11 72 0 0 74 574 06 1 4 4 05 6 8 6 74 0 6 56 11 72 74 574 06 1 0 4 4 76 65 74 0 6 56 11 72 74 574 06 1 41 1 2 05 614 4 37 0 74 7 5 37 06 56 11 72 74 574 06 1 41 1 2 05 614 2 67 74 66 4 56 11 72 74 66 4 ...

Страница 13: ...nance Patches 5Ć20 Figure 5Ć12 ăTDS 524A 544A Five and Ten Percent Luminance Patches 5Ć23 Figure 6Ć1 ăExternal Modules 6Ć12 Figure 6Ć2 ăOuterĆChassis Modules 6Ć13 Figure 6Ć3 ăInnerĆChassis Modules TDS 520A or 540A with A20 Display Assembly 6Ć14 Figure 6Ć4 ăInnerĆChassis Modules TDS 524A or 544A with A30 Display Assembly 6Ć15 Figure 6Ć5 ăKnob Removal 6Ć18 Figure 6Ć6 ăLine Fuse and Line Cord Removal...

Страница 14: ...306 4 005 30 63 63 0 6 40 5 0 306 4 005 30 63 63 08 0 5 08 3 611 9 0 6 40 5 0 306 4 005 30 63 63 08 3 611 9 0 5 463 5 0 5 0 4 63 41 9 306 4 005 30 63 63 03 0 5 35 9 4 63 0 8 5 5 7 4 63 30 4403 26 4 5 0 306 4 005 30 63 63 30 4403 30 5 306 4 005 30 63 63 55 6 503 26 4 5 0 306 4 005 30 63 63 30 4403 41 9 0 6 8 0 5 63 30 4403 41 9 0 6 8 0 08 3 5 03 3 63 5 3 0 5 0 4 63 0 3 63 5 30 5 63 65 3 44 4 0 6 4 ...

Страница 15: ... x ...

Страница 16: ...Acquisition System 1Ć21 TableĂ1Ć14 ăTypical Characteristics Ċ Time Base System 1Ć22 TableĂ1Ć15 ăTypical Characteristics Ċ Triggering System 1Ć23 TableĂ1Ć16 ăTypical Characteristics Ċ Data Handling 1Ć24 TableĂ2Ć1 ăPowerĆCord Conductor Identification 2Ć8 TableĂ2Ć2 ăEffects of Corrupted Data 2Ć11 TableĂ4Ć1 ăTest Equipment 4Ć16 TableĂ4Ć2 ăDC Offset Accuracy Zero Setting 4Ć24 TableĂ4Ć3 ăDC Accuracy CH ...

Страница 17: ... xii ...

Страница 18: ...TDS 520A 524A 540A 544A Service Manual xiii Safety Summary H H H H Symbols and Terms ...

Страница 19: ...ummary Safety xiv Do Not Perform Service While Alone Use Care When Servicing With Power On Power Source Grounding the Digitizing Oscilloscopes Use the Proper Power Cord Use the Proper Fuse Specific Precautions ...

Страница 20: ...Safety Summary TDS 520A 524A 540A 544A Service Manual xv Do Not Remove Covers or Panels Do Not Operate in Explosive Atmospheres Electric Overload ...

Страница 21: ... xvi ...

Страница 22: ... ...

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Страница 24: ...57 6 6 7 216 0 1 H 7 16 9 75 5 1 3 7 6 68 6 2 1 7 2 75 5 37 21 6 62 9 9 2 75 5 02 6 5 1 250 7 86 5 1 250 7 H 9 250 7 19 57 6 1 9 250 1 68 75 7 1 08 7 3 7 2 9 2506 1 7 1 27 5 48 33 7 237 21 17 5 7 25 5 17 7 6 1 9 250 25 3 5 250 1 67 285 5 75 16 250 21 9 250 72 63 76 0 1 78 25 3 6 9 5686 76 5 48 1 H 7 7 7 56 H 3 72 32 17 5 25 1 7 3 5 11 32 17 7 237 21 H 8 62 7 5 352 5 00 7 5 23 287387 86 1 25 17521 ...

Страница 25: ...0 3 4 3 0 0 12 0 H 1 0 6 01 2 0 4 3 9 0 1 02 10 00 1 1 51 0 1 19 211 0 0 90 20 1 1 1 6 2 1 0 1 0 0 0 0 19 1 0 2 1 2 1 3 1 7 1 1 0 1 2 1 6 2 201 1 02 0 3 1 0 1 1 1 0 0 11 1 6 6 10 4 19 1 2 1 0 4 6 2 00 1 02 0 3 1 2 7 1 1 6 20 0 1 20 Menus 00 0 1 0 14 19 211 0 02 0 3 1 2 0 60 2 1 2 1 0 02 0 2 4 1 1 1 1 11 1 0 00 9 2 211 02 0 2 0 60 2 0 11 0 1 1 2 1 02 0 2 2 1 1 1 0 1 0 00 0 9 2 211 0 10 0 11 02 0 In...

Страница 26: ...0 0 0 0 5 01 0 2 1 0 01 5 1 0 0 1 0 00 1 0 3 1 6 6 3 0 1 3 5 1 0 5 0 0 01 0 2 07 0 1 0 5 0 2 1 2 0 3 0 0 2 0 0 0 2 1 1 1 0 1 5 0 1 5 2 0 5 0 0 2 0 3 0 0 6 6 0 2 0 1 1 0 1 0 5 0 2 1 2 0 3 1 7 01 2 0 3 0 7 0 2 0 0 0 2 0 03 14 5 3 0 0 0 0 0 2 5 03 0 1 1 1 0 1 5 0 1 5 2 0 5 0 0 2 0 3 0 0 6 6 0 2 0 1 1 0 0 1 1 0 0 0 3 2 1 3 2 2 5 0 3 2 1 0 3 1 3 2 0 1 5 03 3 2 1 0 3 5 1 2 2 3 2 5 Signal Acquisition Sys...

Страница 27: ...quence Record Length Fit to Screen OFF 50 1 2 5 Fit to Screen ON 50 1 2 5 1 2 1 The 50 000 samples in 1 000 division record is only available with Option 1M 2 The maximum record length of 15 000 samples 50 000 samples with Option 1M is seĆ lectable with all acquisition modes except Hi Res In Hi Res the maximum record length is 5 000 samples 15 000 samples with Option 1M 0 0 Horizontal System ...

Страница 28: ...Specifications TDS 520A 524A 540A 544A Service Manual 1Ć5 2 4 2 3 H Edge 4 2 4 2 2 2 H Logic 4 2 2 2 2 2 0 4 H Pulse 4 2 4 0 4 2 2 2 H Video 0 0 1 1 0 0 0 0 0 4 2 2 3 2 0 Trigger System ...

Страница 29: ...Specifications Specifications 1Ć6 H 1 1 1 H 1 1 H H 0 Help 1 1 1 Autoset Cursor 0 0 Acquisition Control OnĆBoard User Assistance Measurement Assistance ...

Страница 30: ...cessor architecture of this Digitizing Oscilloscopes is Tektronix s proprietary digital signal processor the DSP This dedicated processor supports advanced analysis of your waveforms when doing such computeĆintensive tasks as interpolation waveform math and signal averaging It also teams with a custom display system to deliver speĆ cialized display modes See later in this description Acquired wave...

Страница 31: ...3 6 2 0 3 4 2 3 7 4 3 30 9 3 2 4 4 4 2 09 3 6 2 0 3 34 0 7 4 4 4 30 4 15 5 2 02 4 4 4 2 4 5 54054 3 2 2 4 6 2 42 3 4 2 3 4 3 3 0 3 2 8 30 9 04 3 5 534 4 7 442 54 3 9 52 30 9 H 2 6 2 3 2 543 2 4 5 4 4 H 4 3 49 7 6 2 3 2 543 2 4 5 H 49 7 6 2 30 9 3 6 4 23 2 43 4 3 2 4 3 3 0 3 4 0 23 34 6 2 0 23 34 7 4 2 H 4 20 4 4 8 8 2 2 H 30 9 2 4 89 2 94 7 4 6 2 53 2 4 5 3 4 3 5 4 53 7 4 6 42 2 3 4 3 3 0 3 3 02 6...

Страница 32: ...Impedance Selections 1 MW or 50 W Ranges Offset TDS 540A 544A and CH1 and CH2 on TDS 520A and 524A Volts Div Setting 1 mV div 99 5 mV div 100 mV div 995 mV div 1 V div 10 V div Offset Range 1 V 10 V 100 V Ranges Offset AUX1 and AUX2 on TDS 520A and 524A Volts Div Setting 100 mV div 1 V div 10 V div Offset Range 0 5 V 5 0 V 50 V Range Position 5 divisions Range Sensitivity TDS 540A and 544A 1 mV di...

Страница 33: ...e of realĆtime rates expressed in samples second at which a digitizer samples signals at its inputs and stores the samĆ ples in memory to produce a record of timeĆsequential samples 2 The range of waveform rates for equivalent time or interpolated waveform records 3 The Waveform Rate WR is the equivalent sample rate of a waveform record For a waveform record acquired by realĆtime samĆ pling of a s...

Страница 34: ...ECAM H HDTV 787 5 60 1050 60 1125 60 1250 60 H FlexFormatTM user definable standards User can specify field rate number of lines sync pulse width and polarity line rate and vertical interval timing TableĂ1Ć5 ăNominal Traits Ċ Display System Name Description Video Display 7 inch diagonal with a display area of 5 04 inches horizontally by 3 78 inches vertically Video Display Resolution 640 pixels ho...

Страница 35: ...Centronics interface complies with Centronics interface standard C332Ć44 Feb 1977 REV A optional as option 13 on TDS 520A and 540A Interface Video VGA video output with levels that comply with ANSI R5343A stanĆ dard DBĆ15 connector Logic Polarity for MainĆ and DelayedĆ Trigger Outputs Negative TRUE High to low transition indicates the trigger occurred Fuse Rating Either of two fuses1 may be used a...

Страница 36: ...520A 524A 540A 544A Service Manual 1Ć13 TableĂ1Ć7 ăNominal Traits Ċ Mechanical Name Description 6 0 2 0 0 0 0 4 0 0 0 6 6 0 0 3 0 1 4 4 3 0 1 4 6 0 0 5 2 1 2 5 2 1 2 0 5 0 2 0 6 0 5 0 5 0 2 0 6 0 5 0 1 4 0 1 5 2 2 2 1 0 5 ...

Страница 37: ... 1Ć14 ...

Страница 38: ...olumn Name 1 0 3 2 typical characteristics 7 0 2 7 3 2 0 0 2 _6 _6 2 70 7 0 0 2 _6 _6 0 2 TableĂ1Ć8 ăWarranted Characteristics Ċ Signal Acquisition System Name Description Accuracy DC Gain 5 1 1 1 2 5 Accuracy Offset TDS 540A and 544A all channels TDS 520A and 524A CH1 and CH2 Volts Div Setting 1 1 1 1 1 1 Offset Accuracy 5 1 1 1 1 5 1 1 1 1 5 1 1 1 1 Accuracy Offset TDS 520A and 524A AUX1 and AUX...

Страница 39: ...C Coupled v10 Hz when AC 1ĂMW Coupled v200 kHz when AC 50ĂW Coupled5 1 Net Offset Offset Position Volts Div Net Offset is the nominal voltage level at the center of the AĆD converter dynamic range Offset Accuracy is the accuracy of this Voltage level 2 The samples must be acquired under the same setup and ambient conditions 3 To ensure the most accurate measurements possible run an SPC calibration...

Страница 40: ...mum Pulse Width 1 1 1 Minimum Rearm Width 1 2 2 22 1 1 2 0 2 22 Jitter Option 05 Video Trigger 1 1 1 0 1 Input Signal Sync Amplitude for Stable Triggering Option 05 Video Trigger 4 1 2 4 1 4 1 2 4 1 1 3 0 1 The minimum sensitivity for obtaining a stable trigger A stable trigger results in a uniform regular display triggered on the seĆ lected slope The trigger point must not switch between opposite...

Страница 41: ...uirements Name Description Logic Levels MainĆ and DelayedĆ Trigger Outputs Characteristic 10 10 Limits w 7 1 0 w 0 7W 0 1 v 0 v v 0 7W 0 1 Output Voltage and Frequency Probe Compensator Characteristic 10 10 0 1 4 Limits 80 6 0 w 7W 5 6 Output Voltage Channel 3 Signal Out 7 2 6 0 7 W 2 6 0 7W 1 0 0 0 1 1 1 1 4 5 0 5 3 1 0 v ...

Страница 42: ... below 50_ C Relative humidity without floppy disk Operating To 95 at or below 40_ C Operating To 75 from 41_ C to 55_ C Altitude To 4570 m 15 000 ft operating To 12190 m 40 000 ft nonĆoperating Dynamics Random vibration without floppy disk installed 0 31 g RMS from 5 to 500 Hz 10 minutes each axis operating 3 07 g RMS from 5 to 500 Hz 10 minutes each axis nonĆoperatĆ ing Emissions Meets or exceed...

Страница 43: ... 1Ć20 ...

Страница 44: ...nt Error 15 Si 25 ppm Reading Time Per Div B 1000 Add 50 ps typical Channel Skew for 2 channel measurements Sample calculation To measure the width of a 65 5 ns pulse at 1 GS sec sampling Time Measurement Error 0 15 1 ns 2 5 10 5 65 5 ns 50 ns divB1000 0 15 ns 0 002 ns 0 05 ns 202 ps Delay Between Channels Full BandĆ width Equivalent Time v250 ps for any two channels with equal volts division and ...

Страница 45: ...s calculated from the bandwidth It is defined by the following formula RiseĄ TimeĄ ns 400 BWĄ MHz Note that if you measure rise time you must take into account the rise time of the test equipment signal source etc that you use to provide the test signal That is the measured rise time RTm is determined by the instrument rise time RTi and the rise time of the test signal source RTgen according to th...

Страница 46: ...g but is never more than 10 times the minimum holdoff for that setting Width Minimum Pulse and Rearm for Logic Triggering or Events Delay3 5 ns Lowest Frequency for Successful OpĆ eration of Set Level to 50 Function 30 Hz Sensitivity Edge Trigger Not DC Coupled4 Trigger Coupling AC Noise Reject High Frequency Reject Low Frequency Reject Typical Signal Level for Stable Triggering Same as DCĆcoupled...

Страница 47: ...o occur 4 The minimum sensitivity for obtaining a stable trigger A stable trigger results in a uniform regular display triggered on the seĆ lected slope The trigger point must not switch between opposite slopes on the waveform and the display must not roll across the screen on successive acquisitions The TRIG D LED stays constantly lighted when the SEC DIV setting is 2 ms or faster but may flash w...

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Страница 50: ...anual 2Ć1 Using This Manual 1 2 3 2 1 1 1 H 1 H 1 1 H Strategy for Servicing Supplying Operating Power 3 1 3 1 1 2 0 3 1 Mechanical Parts List MainteĆ nance 1 Removal and Installation Procedures Before Servicing Strategy for Servicing ...

Страница 51: ...roduct Description Removal and Installation Procedures H Specifications H Operating Information H Theory of Operation H Performance Verification H Adjustment Procedures H Maintenance H Options H Electrical Parts List Replaceable Parts H Diagrams H Mechanical Parts List Manual Structure ...

Страница 52: ...Using This Manual TDS 520A 524A 540A 544A Service Manual 2Ć3 Modules Safety Symbols Manual Conventions ...

Страница 53: ...vice 3 2 0 4 0 3 0 6 2 2 4 4 2 4 0 3 1 2 4 1 3 1 2 2 0 3 0 1 2 2 Repair or Calibration Service 2 1 4 0 4 0 5 4 0 0 Option 9C 7 5 2 2 2 Certificate of Calibration and Test Data 1 4 0 4 0 0 4 2 4 AtĆDepot Service 7 3 1 6 0 1 H 0 H 0 0 0 4 H 0 1 4 1 0 0 4 6 1 1 4 2 5 0 0 1 4 OnĆSite Service 7 0 0 2 6 1 2 4 0 4 1 0 4 0 0 1 2 0 Tektronix Service ...

Страница 54: ...rvice Module Exchange Module Repair and Return Module Exchange 2 1 Module Repair and Return 2 not 1 For More Information 2 1 0 TDS 520A 524A 540A 544A User Manual 0 TDS 520A 524A 540A 544A 620A 640A 644A Reference TDS Family Programmer Manual 1 Finding Other Information ...

Страница 55: ...Using This Manual Operating Information 2Ć6 ...

Страница 56: ...Ćtype plug GROUNDING This instrument is safety Class 1 equipment IEC designation All accessible conductive parts are directly connected through the grounding conductor of the power cord to the grounded earthing contact of the power plug WARNING The power input plug must be inserted only in a mating receptacle with a grounding contact where earth ground has been verified by a qualified service pers...

Страница 57: ...erates with any line voltage from 90 250 VACRMS with any line frequency from 47 63 Hz There are two fuses either of which may be used throughout the line voltage and frequency ranges The two fuses are not totally interchangeable as each requires a different fuse cap Memory Backup Power Memory modules with onĆboard batteries allow TDS 520A 524A 540A 544A Digitizing Oscilloscopes to retain some type...

Страница 58: ...n A2 UK 230V Option A3 Australian 230V Option A4 North American 230V Option A5 Switzerland 230V Option 1A North American 115V High Power Option 1B North American 3ĆPhase Canadian Standards Association certification includes these power plugs for use in the North American power network Figure 2Ć1 ăPowerĆCord Plug Identification ...

Страница 59: ...ation Operating Information 2Ć10 Operating Temperature _ _ _ _ _ _ Ventilation Requirements CAUTION If air flow is restricted the Digitizing Oscilloscopess power supply may temporarily shut down Operating Environment ...

Страница 60: ...er running a signal path compensation or when doing any of the adjustments described in Section 5 To do so might result in the loss of internally stored adjustment constants 1 3 3 0 3 1 TableĂ2Ć2 ăEffects of Corrupted Data Corrupted Data Type Results Adjustment Constants H H 3 H 1 1 3 Error Log Reference Waveforms Saved Setups Applying and Interrupting Power ...

Страница 61: ...General Information Operating Information 2Ć12 Repackaging Instructions Installed Options ...

Страница 62: ...TDS 520A 524A 540A 544A Service Manual 2Ć13 General Operating Instructions 0 0 0 0 0 How to Power On ON STBY 0 ON STBY WARNING ON STBY ON STBY Screen Layout Basic Procedures ...

Страница 63: ...ms Side menu area Readouts for measurements move here when CLEAR MENU is pressed Main menu display area Readouts in lower graticule area move here when CLEAR MENU is pressed Vertical scale horizontal scale and trigger level readouts PopĆup menu Brief status information General purpose knob readout Figure 2Ć2 ăMap of Display Functions How to Use Help HELP HELP HELP How to Use the Status Menu SHIFT ...

Страница 64: ...al horizontal and trigger functions from this frontĆpanel control block Vertical Function Controls Access all vertical functions and inputs from this frontĆpanel control block Horizontal Function Controls Access all horizontal functions from this frontĆpanel block Trigger Function Controls Access all trigger functions from this frontĆpanel block CH 1 CH 2 ...

Страница 65: ...tructions Operating Information 2Ć16 2 1 0 1 2 1 0 4 6 3 1 2 1 2 3 6 5 7 8 4 CH 1 CH 2 0 2 1 3 CH 1 0 4 0 4 2 1 6 0 2 2 1 1 3 0 CH 1 CH 2 4 5 4 2 1 3 1 2 1 6 0 2 1 3 0 RUN STOP 0 0 1 2 1 0 0 1 6 0 1 2 1 3 0 SET LEVEL TO 50 ...

Страница 66: ...General Operating Instructions TDS 520A 524A 540A 544A Service Manual 2Ć17 CH 2 SHIFT 9 11 12 14 13 10 VERTICAL MENU Offset 0 V Coupling AC ...

Страница 67: ...General Operating Instructions Operating Information 2Ć18 How to Set Complex Functions 18 17 15 16 Type Type Edge Edge Type Edge Mode HoldĆ off Normal ...

Страница 68: ...General Operating Instructions TDS 520A 524A 540A 544A Service Manual 2Ć19 TRIGGER MENU 19 20 21 Level Level 20 mV More About the General Purpose Knob 0 H H H H H H ...

Страница 69: ...Operating Instructions Operating Information 2Ć20 H H 0 0 2 H 2 2 0 3 0 3 2 SHIFT H 3 0 2 2 3 H 2 2 2 2 H 2 2 H 3 2 1 2 H SELECT 0 0 2 0 3 3 Display and Utility Menus 4 2 2 3 2 2 0 H 0 H 2 0 H 2 0 2 3 H 2 H 2 H ...

Страница 70: ...General Operating Instructions TDS 520A 524A 540A 544A Service Manual 2Ć21 Adjustment Procedures ...

Страница 71: ... 2Ć22 ...

Страница 72: ... ...

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Страница 74: ...l 3Ć1 Circuit Description 4 1 H Logic Conventions 1 H Module Overview 7 0 4 3 1 3 1 0 7 0 0 1 0 0 0 1 3 6 0 6 7 0 0 1 0 3 0 0 7 1 3 2 5 0 7 0 7 1 0 0 7 0 7 1 0 0 1 1 7 General 2 4 7 0 0 3 Input Signal Path Logic Conventions Module Overview ...

Страница 75: ... 2 31 2 2 0 11 0 1 7 0 1 1 2 0 5 4 0 3 1 2 1 2 2 2 1 0 11 0 2 0 11 0 1712 0 3 121 2 5 4 0 Processor System 0 11 0 1712 2 1 0 0 11 0 2 2 20 1 2 2 0 1203 2 2 3 1 2 0 5 0 2 1 3 1 2 0 3 0 0 0 2 0 5 0 0 0 2 20 0 31 2 62 0 1 25 0 0 11 0 1 3 1 2 1 0 11 0 1 1 0 11 0 0 11 1 5 4 0 1 0 2 7 2 1712 0 11 0 4 0 1 7 2 62 2 1 7 0 11 2 2 1 7 1712 0 11 0 1 7 0 2 1 2 2 0 11 0 1 7 1712 1 Display System 62 5 4 0 1 0 0 ...

Страница 76: ... 5 0 00 0 0 0 5 0 09 01 0 0 0 09 1 3 0 5 0 09 5 1 0 0 0 5 0 ON STBY 3 0 0 1 3 0 3 2 0 0 5 0 09 10 0 1 0 0 0 5 0 0 3 2 0 3 1 5 0 0 0 0 SIGNAL GND Rear Panel GPIB 0 2 0 0 3 2 3 40 9 0 0 1 0 9 0 0 Low Voltage Power Supply 3 2 0 3 1 5 3 0 3 2 0 3 0 0 2 3 0 0 0 1 3 0 0 1 0 5 0 9 POWER 3 0 0 0 0 3 0 0 1 0 3 0 3 1 5 ON STBY 3 0 0 0 0 0 0 3 0 0 9 4 0 0 0 1 0 5 0 3 0 3 1 5 3 1 5 3 7 3 0 0 5 0 0 3 Fan 2 0 0...

Страница 77: ...Circuit Description Theory of Operation 3Ć4 ...

Страница 78: ... ...

Страница 79: ......

Страница 80: ...ional Tests 2 3 3 1 1 3 1 1 Brief Procedures 1 Performance Tests 1 1 H 1 1 Self Tests 3 Advantages 0 0 1 1 1 H 1 Self Tests Functional Tests 3 Advantages 3 3 1 1 3 1 1 H 0 PerformĆ ance Tests 3 Functional Self Tests Advantages 3 1 Equipment Required 3 1 1 3 1 General Instructions ...

Страница 81: ...ocedures Performance Verification 4Ć2 H H H H H Initialize the oscilloscope SETUP Initialize the oscilloscope SETUP Recall Factory Setup OK Confirm Factory Init H SHIFT ACĆ QUIRE MENU Coupling Pass Conventions ...

Страница 82: ...Readout Waveform Reference Symbols Ground Levels and Waveform Sources Graticule and Waveforms Side menu area Readouts for measurements move here when CLEAR MENU is pressed Main menu display area Readouts in lower graticule area move here when CLEAR MENU is pressed PopĆup Menu Vertical Scale Horizontal Scale and Trigger Level Readouts Figure 4Ć1 ăMap of Display Functions ...

Страница 83: ...t internal diagnostics pass 0 Display the System diagnostics menu H SHIFT UTILITY H 0 3 System Diag Err 3 Run the System Diagnostics 3 Execute 3 OK Confirm Run Test Wait 2 3 Confirm no failures are found 0 3 Confirm the three adjustment sections have passed status H SHIFT UTILITY H System Cal 3 H 0 Pass Voltage Reference Frequency ReĆ sponse Pulse Trigger 3 Self Tests ...

Страница 84: ...re verified Third a signal path compensation is run and is verified Figure 4Ć2 ăVerifying Adjustments and SignalĆPath Compensation Run the signalĆpath compensation Signal Path OK Compensate Signal Paths Wait Pass Fail Confirm signalĆpath compensation returns passed status Pass Signal Path Return to regular service CLEAR MENU ...

Страница 85: ...s 3 8 0 0 08 00 0 0 0 10 0 1 2 0 1 3 1 5 1 0 0 0 0 0 1 0 00 2 5 1 8 0 5 1 0 0 00 0 0 0 10 0 1 5 1 5 0 2 1 0 0 1 0 0 1 0 5 1 0 1 0 0 1 100 0 100 5 5 0 0 3 0 0 0 0 0 5 0 0 100 Verify All Input Channels Equipment Required Prerequisites Procedure Install the test hookup and preset the oscilloscope controls Figure 4Ć3 ăUniversal Test Hookup for Functional Tests Hook up the signal source 0 0 CH 1 0 0 0 ...

Страница 86: ...lready set up for verification from step 1 Select an unverified channel H WAVEFORM OFF 0 2 0 H 5 2 0 2 H 0 2 Set up the selected channel H AUTOSET 0 1 2 H 3 SCALE m CLEAR MENU 0 2 2 Verify that the channel is operational 1 H 0 1 51 0 5 0 5 5 5 H 0 POSITION 0 1 1 H 0 SCALE 1 1 0 5 1 0 Verify that the channel acquires in all acquisition modes SHIFT ACQUIRE MENU 0 1 15 5 2 H Sample 2 0 2 1 0 5 1 0 H ...

Страница 87: ...an auxiliary channel H WAVEFORM OFF 0 2 5 0 1 0 2 H 0 08 100 0 0 0 0 5 1 0 2 5 H 2 0 0 5 1 0 Set up the selected channel AUTOSET 0 0 2 3 5 0 0 5 0 0 0 0 0 5 1 10 0 8 0 2 0 10 7 2 0 01 14 5 1 3 0 1 0 0 0 1 0 0 2 05 14 5 0 1 0 0 0 1 Verify that the channel is operational 0 0 0 3 0 0 0 0 1 H 2 0 10 0 1 0 0 3 00 1 83 2 8 0 10 7 2 01 8 1 8 8 0 0 0 10 H 2 0 POSITION 2 0 1 3 0 3 0 0 H 1 0 2 0 SCALE 1 0 3...

Страница 88: ...set the oscilloscope controls Hook up the signal source CH 1 PROBE COMPENSATION SIGNAL PROBE COMPENSATION GND 5 5 Initialize the oscilloscope H 0 SETUP H 5 Recall Factory Setup 5 OK Confirm Factory Init Modify default settings H AUTOSET 0 1 3 H 4 SCALE m H CLEAR MENU 0 Verify that the time base operates 1 51 0 5 0 4 0 5 m 4 4 SCALE 1 2 1 0 5 5 4 0 1 0 1 4 m 0 0 4 POSITION 5 1 Remove the test hooku...

Страница 89: ...PENSATION GND 2 2 Initialize the oscilloscope H SETUP H 2 Recall Factory Setup H 2 OK Confirm Factory Init Modify default settings H AUTOSET 0 H 1 SCALE M m H TRIGGER MENU H 2 Mode Holdoff H 2 Normal H CLEAR MENU Verify that the main trigger system operates H 0 LEVEL H 2 2 0 un H SET LEVEL TO 50 0 Verify that the delayed trigger system operates Select the delayed time base H HORIZONTAL MENU H 2 Ti...

Страница 90: ...vice Manual 4Ć11 Select the delayed trigger level menu H SHIFT DELAYED TRIG H Level Level Confirm that the following statements are tru H H un H Set to 50 Verify the delayed trigger counter H Delay by Time H 1 ENTER H READY Remove the test hookup ...

Страница 91: ...03 4 0 4 3 30 4 34 1 2207 3 0 4 401 2 4 3 04 2 702 3 1 4 02 2 4 20 4 0440 0 4 0 H 53 4 3 40 4 2 6 5 4 4 0 3 4 7 9 3 40 1 Initialize the oscilloscope H 2 33 3 6 2 SETUP H 2 33 4 5 5440 Recall Factory Setup H 2 33 4 3 5 5440 OK Confirm Factory Init Modify default settings H 2 33 AUTOSET 40 0 4 6 7 42 2 31 9 H 4 4 02 0 4 SCALE 02 4 M 4 3 40 m3 0 0 7 3 04 4 7 6 02 0 4 31 9 07 3 073 470 9 3 34 0 6 H 2 ...

Страница 92: ...ures TDS 520A 524A 540A 544A Service Manual 4Ć13 H Save To Selected File Verify the file system works H AUTOSET m H Recall Saved Setup From File H H Recall From Selected File H SCALE M m Remove the test hookup H H ...

Страница 93: ... 4Ć14 ...

Страница 94: ...ime Base System Checks Triggering System Checks utput Signal Checks Video Trigger Checks 0 Specifications boldface 0 Warranted Characteristics extend 0 4 Prerequisites 0 H 1 H Self Tests 4 Functional Tests 4 H 4 4 2 _3 0 Self Tests H 1 _3 _3 4 _3 _3 4 4 0 Related Information 5 General Instructions Conventions 4 ...

Страница 95: ...dual female BNC Tektronix part number 103 0030 00 Checking Trigger Sensitivity 7 Coupler DualĆ Input Female BNC to dual male BNC Tektronix part number 067 0525 02 Checking Delay Between Channels 8 Generator DC Calibration Variable amplitude to 110 V accuracy to 0 1 Data Precision 8200 with 1 kV option installed Checking DC Offset Gain and MeasureĆ ment Accuracy 9 Generator CaliĆ bration 500 mV squ...

Страница 96: ...0 6 8 5 5 4 4536 5 130 530 9 6 3 5 3 0 5 0 15 3 50 1 4 50 1 4 530 9 1 35 6 3 061 03 30 0 1 4 503 65165 3 503 0 307 4 0 1 5 065 1654 530 9 4 50 45 0 15 0 26 11 4536 54 4 503 7 8 7 3 503 7 530 9 1 35 6 3 4 50 45 0 15 0 26 11 4536 54 6 4 3 503 530 9 1 35 6 3 4 50 45 0 15 0 26 11 4536 54 W 0 9 W 50 0 5034 530 9 1 35 6 3 4 50 45 0 15 0 26 11 4536 54 3 5 0 W 1 W 0 5034 165 065165 530 9 1 35 6 3 4 50 45 ...

Страница 97: ... 4Ć18 ...

Страница 98: ...ce Tests TDS 520A 524A 540A 544A Service Manual 4Ć19 Test Record 1 0 1 TDS 500A Test Record Performance Test Minimum Incoming Outgoing Maximum Offset Accuracy 22 22 22 22 DC Voltage Measurement Accuracy Averaged ...

Страница 99: ...Performance Tests Performance Verification 4Ć20 TDS 500A Test Record Cont Performance Test Maximum Outgoing Incoming Minimum ...

Страница 100: ... Trigger System Accuracy PulseĆGlitch or PulseĆWIdth Hor scale 1 ms Lower Limit Upper Limit PulseĆGlitch or PulseĆWIdth Hor scale 1 ms Lower Limit Upper Limit 2 5 ns 2 5 ns 1 ms 1 ms __________ __________ __________ __________ __________ __________ __________ __________ 7 5 ns 7 5 ns 3 ms 3 ms Main Trigger DC Coupled Delayed Trigger DC Coupled 9 940 V 9 940 V __________ __________ __________ _____...

Страница 101: ...Performance Tests Performance Verification 4Ć22 TDS 500A Test Record Cont Performance Test Maximum Outgoing Incoming Minimum Probe Compensator Output Signal ...

Страница 102: ... H SETUP H Recall Factory Setup H OK Confirm Factory Init H CLEAR MENU Modify the default settings H SCALE H SHIFT ACQUIRE MENU H Mode Hi Res H DISPLAY H Graticule Frame H CURSOR H Function H Bars H CLEAR MENU Confirm input channels are within limits for offset accuracy at zero offset skipping substep a since CH 1 is already set up to be checked from step 1 Select an unchecked channel WAVEFORM OFF...

Страница 103: ...ffset to 0 V when the oscilloscope is initialized in step 1 Set the vertical scale 3 3 5 13 SCALE 3 3 2 33 2 23 3 3 2 3 7 3 3 13 6 3 3 123 2 33 23 Display the test signal 2 3 23 5 6 2 3 8 1 2 23 2 2 7 2 7 4 2 3 32 5 13 2 241 not 3 42 3 5 13 POSITION 6 7 1 41 7 2 3 2 5 17 3 2 3 5 3 2 3 Measure the test signal 3 3 3 1 41 2 3 24 1 2 3 3 5 412 1 5 1 3 2 3 23 5 1 3 3 1 412 1 3 241 3 1 24 32 3 3 2 43 41...

Страница 104: ...e cursor Figure 4Ć4 ăMeasurement of DC Offset Accuracy at Zero Setting Check DC Gain and Voltage Measurement Accuracy WARNING Performance of this procedure requires input voltages up to 130 VDC Be sure to set the DC calibration generator to 0 volts before connecting disconnecting and or moving the test hookup during the performance of this procedure Equipment Required Prerequisites ...

Страница 105: ...50 W Coaxial Cables Dual Banana to BNC Adapters BNC T Connector Figure 4Ć5 ăInitial Test Hookup Hook up the testĆsignal source H H W H W CH 1 Initialize the oscilloscope H SETUP H Recall Factory Setup H OK Confirm Factory Init Modify the default settings H SHIFT ACQUIRE MENU H Mode Average 16 H CURSOR H Function H Bars H DISPLAY H Graticule Frame ...

Страница 106: ...e accuracy 3 skipping substep a since CH 1 is already selected from step 1 Select an unchecked channel H Set the generator output to 0 V H WAVEFORM OFF 1 H 2 0 1 H 1 Display the test signal H VERTICAL MENU 2 Position H 1 2 5 ENTER 1 Measure the test signal H CURSOR 1 H H SELECT 1 H CLEAR MENU D 2 2 Check against limits D 2 ...

Страница 107: ... cursor to the DC baseline no input Figure 4Ć6 ăMeasurement of the DC Accuracy for Delta Measurements Test all channels Reestablish the initial test hookup setup Hook up the testĆsignal source H H CH 1 Initialize the oscilloscope H SETUP H Recall Factory Setup H OK Confirm Factory Init Modify the default settings H SHIFT ACQUIRE MENU H Mode Average 16 H DISPLAY H Graticule Frame ...

Страница 108: ... 2 2 6 3 1 2 Turn on the measurement Mean for the channel H 0 11 MEASURE 2 0 11 2 8 3 322 Select Measrmnt for CHx H 0 11 2 1 3 322 more 3 2 2 3 Mean 01 2 1 3 21 1 1 5 2 2 2 0 11 2 1 8 3 322 Mean H 0 11 CLEAR MENU 5 2 1 03 1 2 2 2 1 0 30 2 2 2 1 8 1 3 0 2 12 Models TDS 540A 544A Only9 1 8 2 2 12 9 0 8 1 22 1 21 Model TDS 520A 524A Only9 1 8 2 2 12 6 31 8 2 2 12 6 Set its vertical scale 2 2 4 02 SCA...

Страница 109: ...4Ć4 ăDC Accuracy AUX 1 AUX 2 Scale Setting Position Setting Divs Offset Setting Generator Setting Accuracy Limits 1 1 Display the test signal H VERTICAL MENU 2 Position H 0 5 ENTER 0 H 2 Offset H 0 2 0 2 H 0 0 0 Measure the test signal CLEAR MENU 2 Mean 2 ...

Страница 110: ...equal to the offset plus 3 divisions First set vertical and position offsets to maximum no input Note gnd ref indicator bounded onĆscreen for the offset baseline below screen Figure 4Ć7 ăMeasurement of DC Accuracy at Maximum Offset and Position Check against limits H Mean H H Mean H Test all channels Disconnect the hookup Set the generator output to 0 V ...

Страница 111: ...ent controls Initialize the oscilloscope H SETUP H 0 Recall Factory Setup H 0 OK Confirm Factory Init Modify the default settings H SCALE H SHIFT ACQUIRE MENU H 0 Mode 0 Average 16 H TRIGGER MENU H 0 Coupling 0 Noise Rej H Measure 0 High Low Setup 0 Min Max Hook up the testĆsignal source 0 CH 1 0 High Frequency Sine Wave Generator Leveling Head Figure 4Ć8 ăInitial Test Hookup ...

Страница 112: ... set up for testing from step 1 Select an unchecked channel H WAVEFORM OFF H 0 H Match the trigger source to the channel selected H TRIGGER MENU H 0 Source H 0 Set its input impedance H VERTICAL MENU 0 Coupling H 0 W 50 W Set the vertical scale SCALE 0 TableĂ4Ć5 ăAnalog Bandwidth Vertical Scale Attenuators 10X Reference Amplitude at 6 MHz Horizontal Scale Test Frequency Limits ...

Страница 113: ... H more PkĆPk PkĆPk H CLEAR MENU H H SET LEVEL TO 50 Measure the test signal H H SCALE SET LEVEL TO 50 H Second read the results from the readout of measurement PkĆPk First increase the reference frequency to the test frequency then decrease the horizontal scale Figure 4Ć9 ăMeasurement of Analog Bandwidth ...

Страница 114: ...TE Passing the signal path compensation confirms the signal path for all vertical scale settings for all channels Passing the internal diagĆ nostics ensures that the factoryĆset adjustment constants that conĆ trol the bandwidth for each vertical scale setting have not changed Check remaining vertical scale settings against limits optional H 2 4 H 1 4 2 0 H 0 1 Test all channels Disconnect the hook...

Страница 115: ...the instrument controls Initialize the front panel H SETUP H 1 Recall Factory Setup H 1 OK Confirm Factory Init Modify the initialized frontĆpanel control settings H not H 0 SCALE H SHIFT ACQUIRE MENU H 1 Mode 1 1 Average 16 Hook up the testĆsignal source H W W 1 1 1 Medium Frequency Sine Wave Generator Dual Input Coupler 50 W Terminator 50 W Cable Figure 4Ć10 ăInitial Test Hookup ...

Страница 116: ... WAVEĆ FORM 3 0 7 1 100 Save Wfm Ch2 0 0 7 1 100 To Ref 2 Save CH 3 waveform 2 0 1 CH 2 0 CH 3 0 0 CH 1 CH 3 2 CH 3 0 0 7 1 100 To Ref 3 Display all test signals H WAVEFORM OFF 03 0 2 0 5 H 2 0 1 CH 3 0 CH 4 0 0 2 CH 4 H 3 0 07 100 MORE 0 7 1 100 Ref 2 Ref 3 Measure the test signal H 0 0 0 0 0 07 0 3 2 3 0 0 0 6 0 0 1 0 time reference point 0 3 2 0 0 time reference point 07 0 3 2 1 7 H CURSOR 0 0 ...

Страница 117: ...eference points of those waveforms First display the live reference waveforms for channels Note their overlapping ground reference indicators Third turn on the cursor and align the V bar cursors to the time reference points Figure 4Ć11 ăMeasurement of Channel Delay Check against limits Disconnect the hookup ...

Страница 118: ...e page 4Ć15 Procedure Install the test hookup and preset the instrument controls Hook up the testĆsignal source W CH 1 TimeĆMark Generator 50 W Coaxial Cables Figure 4Ć12 ăInitial Test Hookup Initialize the oscilloscope H SETUP H Recall Factory Setup H OK Confirm Factory Init Modify the initialized frontĆpanel control settings H SCALE H VERTICAL MENU Coupling W 50 W H SET LEVEL TO 50 H POSITION Ti...

Страница 119: ...gnal H POSITION T H Time Base H Delayed Only Delayed Runs After Main Measure the test signal H SCALE D H 10 SHIFT m ENTER First the trigger T is aligned to the center graticule line Second the horizontal modes are set Third the horizontal scale for D time base is set and a 10 ms delay is entered Fourth the waveforms rising edge is checked to be within 2 5 horizontal divisions of the center horizon...

Страница 120: ...ay time accuracies against limits 0 Check deltaĆtime accuracy against limits H 0 Main Only SCALE H H SET LEVEL TO 50 H SHIFT ACQUIRE MENU 0 Mode 0 Average H 8 H MEASURE H 0 HighĆLow Setup 0 MinĆMax H 0 Select Measrmnt for Ch1 H 0 more PERIOD PERIOD H CLEAR MENU H CH 1 Per Disconnect the hookup CH 1 ...

Страница 121: ...e page 4Ć15 Procedure Install the test hookup and preset the instrument controls Initialize the instrument H SETUP H 0 Recall Factory Setup H 0 OK Confirm Factory Init Modify the default setup H MENU H 0 Coupling 0 W 50 W H SCALE Hook up the testĆsignal source W 0 0 0 Medium Frequency Sine Wave Generator 10X Attenuator 50 W Coaxial Cable Figure 4Ć14 ăInitial Test Hookup Trigger System Checks ...

Страница 122: ...t signal 0 1 SET LEVEL TO 50 Set the trigger mode TRIGGER MENU 1 Mode Holdoff 1 Normal Set upper and lower limits that ensures triggering H 1 Type Pulse H 1 Class Width H 1 Trig When 1 1 Within Limits H 1 Upper Limit 10 SHIFT n ENTER H 1 Lower Limit Check against limits H SET LEVEL TO 50 H 1 TRIG H increase Lower Limit H Lower Limit H Lower Limit H 1 Upper Limit decrease Upper Limit H Upper Limit ...

Страница 123: ...Ć15 ăMeasurement of Time Accuracy for Pulse and Glitch Triggering Confirm the trigger system is within timeĆaccuracy limits for pulseĆglitch or pulseĆwidth triggering horizontal scale 1 ms Set upper and lower limits that ensure triggering at 250 kHz H Upper Limit m H Lower Limit Display the test signal H SCALE m H SCALE H SET LEVEL TO 50 Check against limits H increase Lower Limit H Lower Limit m ...

Страница 124: ... CH 1 Check Accuracy TriggerĆlevel or Threshold DC Coupled Equipment Required 1 W 2 Prerequisites 4 Procedure Install the test hookup and preset the instrument controls Hook up the testĆsignal source H 0 H 4 1 3 W 2 4 H 4 1 3 W 2 1 CH 1 4 DC Calibrator 50 W Coaxial Cables Dual Banana to BNC Adapter BNC T Connector Figure 4Ć16 ăInitial Test Hookup ...

Страница 125: ...y Init H HORIZONTAL MENU H 4 0 0 Time Base H 4 0 0 Delayed Triggerable H VERTICAL MENU 4 0 0 Position H 3 1 1 3 ENTER 3 1 2 1 2 1 H 4 0 0 Offset H 3 1 1 10 ENTER 1 2 1 4 H 0 0 1 1 2 H SET LEVEL TO 50 H TRIGGER MENU H 0 0 0 2 Level 0 0 0 H Level 0 0 2 0 1 H TRIGGER MENU 4 0 0 Slope 4 0 0 1 0 H Level 0 0 2 0 1 0 4 ...

Страница 126: ... results in the main menu under Level Figure 4Ć17 ăMeasurement of TriggerĆlevel Accuracy Confirm Delayed trigger system is within limits for TriggerĆlevel Threshold accuracy Select the Delayed time base H HORIZONTAL MENU H Time Base H Delayed Only Delayed TrigĆ gerable H D SCALE m Select the Delayed trigger system H SHIFT DELAYED TRIG H Level Measure the test signal sideĆmenu button SET TO 50 TRIG...

Страница 127: ...et the instrument controls Initialize the oscilloscope H 00 0 3 SETUP H 00 1 9 2 211 Recall Factory Setup H 00 1 0 9 2 211 OK Confirm Factory Init Modify the initialized frontĆpanel control settings H 1 1 7 1 SCALE 1 M 1 0 1 0 H 00 HORIZONTAL MENU 1 00 1 9 2 211 Time Base H 00 1 0 9 2 211 Delayed Only 1 1 0 9 2 211 Delayed Triggerable H 1 1 7 1 SCALE 1 D 6 1 0 1 0 1 00 1 0 9 2 211 Main Only H 00 T...

Страница 128: ... Figure 4Ć18 ăInitial Test HookupĊTDS 520A and 524A Only H W 0 CH 1 0 Medium Frequency Sine Wave Generator To AUX TRIG INPUT on Rear Panel 50 W Coaxial Cables Figure 4Ć19 ăInitial Test HookupĊTDS 540A and 544A Only H 0 0 CH 1 W 0 AUX TRIG INPUT 0 Confirm Main and Delayed trigger systems are within sensitivity limits 50 MHz Display the test signal H ...

Страница 129: ...litude 1 43 3 2 3 34 2 43 8 4 34 3 1 4 H 2 3 3 W 1 2 7 3 CH 1 1 3 3 3 CH 1 3 1 4 33 4 3 1 Check for Main trigger system for stable triggering at limits H 3 6 3 23 31 1 2 3 3 2 2 23 3 3 3 2 3 3 1 24 32 4 1 1 4 1 2 8 31 1 3 2 3 2 2 3 5 1 3 5 2 2 8 2 4 not 5 32 31 1 3 26 3 36 2 3 2 2 1 2 4 3 1 1 22 3 2 1 3 1 9 3 2 2 33 2 2 5 2 23 1 TRIG D 6 1 23 3 8 3 3 6 2 1 2 6 1 2 33 2 H 1 22 TRIGGER MENU 3 1 22 3...

Страница 130: ...negative slope settings Figure 4Ć20 ăMeasurement of Trigger Sensitivity H 1 4 1 2 1 0 3 4 0 4 4 3 Check delayed trigger system for stable triggering at limits 2 0 H HORIZONTAL MENU 6 0 0 Time Base 2 6 0 0 Delayed Only H SHIFT DELAYED TRIG 6 0 0 Level H side6menu 0 SET TO 50 2 1 1 1 2 1 0 5 0 6 0 0 Slope 0 0 2 2 H 1 4 4 1 2 1 0 3 0 HORIZONTAL MENU 6 0 0 Time Base 2 6 0 0 Main Only 4 0 2 0 0 2 ...

Страница 131: ...Auxiliary Auxiliary H SET LEVEL TO 50 5 1 0 0 0 5 Slope 1 1 TRIGGER LEVĆ EL 4 H 0 3 0 1 0 2 H 5 Source 5 more CH 1 CH 1 Confirm that the Main and Delayed trigger systems are within sensitivity limits 500 MHz Hook up the testĆsignal source 0 5 3 0 51 0 CH 1 Set the Main and Delayed Horizontal Scales H 4 SCALE M H HORIZONTAL MENU 1 5 Time base 5 Delayed TriggerĆ able H 5 Delayed Only H 4 SCALE D 3 5...

Страница 132: ...gh 4 confirmed trigger sensitivity for the Main and Delayed triggering systems using the CH 1 input Doing the proceĆ dure ensures that trigger signals are coupled from all four channels When checking delayed triggering sensitivity at 500 MHz the waveĆ form record may have some missing interpolated record points The waveform is still stably triggered See definition of a stable trigger earlier in th...

Страница 133: ...y time Time MeaĆ surement Check Accuracy for DC Gain and Voltage MeaĆ surements Procedure Install the test hookup and preset the instrument controls Hook up testĆsignal source 1 H W CH 3 H Hook up testĆsignal source 2 Main Trigger Out CH 2 W 50 W Coaxial Cables To Main Trigger Out Calibration Generator Figure 4Ć21 ăInitial Test Hookup Initialize the oscilloscope H SETUP H Recall Factory Setup H OK...

Страница 134: ...layed Trigger outputs are within limits for logic levels Display the test signal H WAVEFORM OFF CH 2 SCALE H TRIGGER MENU H Source CH 3 SET LEVEL TO 50 H POSITION Measure logic levels H MEASURE Select Measrmnt for Ch2 H more High Low High Low First turn on the measurements high and low Second read the measurement results here Figure 4Ć22 ăMeasurement of Main Trigger Out Limits ...

Страница 135: ...tput against limits H W Main Trigger Output Delayed Trigger Output H Ch2 High w Ch2 Low v H W W H CLEAR MENU H Ch2 High w Ch2 Low v Confirm CH 3 output is within limits for gain Measure gain H W DELAYED TRIGGER OUTPUT SIGNAL OUTPUT H SHIFT DELAYED TRIG H Source Ch3 H HORIZONTAL MENU H Time Base Delayed Triggerable H SCALE H MEASURE Select Measrmnt for Ch2 H more PkĆPk PkĆPk H CLEAR MENU ...

Страница 136: ...7 0 0 0 0 03 W 0 0 0 0 Prerequisites 7 0 0 5 1 0 2 Check Accuracy Ċ LongĆTerm Sample Rate Delay time Time MeaĆ surement 7 Check Accuracy for DC Gain and Voltage MeaĆ surements 7 Procedure Install the test hookup and preset the instrument controls Hook up testĆsignal H 0 CH 1 0 PROBE COMPENSATION SIGNAL 0 PROBE COMPENSATION GND 0 1 4 0 0 1 7 50 W Coaxial Cable Female BNC to Clip Adapter Black Lead ...

Страница 137: ...Set Level to 50 VERTICAL POSITION H SHIFT ACQUIRE MENU H Mode Average H 128 128 ENĆ TER Confirm that the Probe Compensator signal is within limits for frequency Measure the frequency of the probe compensation signal H MEASURE Select Measrmnt for Ch1 H more FrequenĆ cy Frequency H CLEAR MENU Figure 4Ć24 ăMeasurement of Probe Compensator Frequency ...

Страница 138: ...be compensation signal in reference memory H SAVE RECALL WAVEFORM 2 Save Wfm Ch 1 H 2 Ref 1 2 H CH 1 H MORE 2 Ref 1 2 0 H CH 1 Hook up the DC standard source H H 2 0 W 2 H 2 0 W CH 1 2 DC Calibrator 50 W Coaxial Cables Dual Banana to BNC Adapters BNC T Connector Figure 4Ć25 ăSubsequent Test Hookup Measure amplitude of the probe compensation signal H SHIFT ACQUIRE MENU 0 AVERAGE 16 ...

Страница 139: ...Performance Tests Performance Verification 4Ć60 H H H H CLEAR MENU 0 Figure 4Ć26 ăMeasurement of Probe Compensator Amplitude Check against limits H H Disconnect the hookup CH 1 ...

Страница 140: ...onfirm Factory Init 5 03 5 0 0 50 7 5 4 3 5 5 04 04 01 4 4 561 4 4 08 08 0 5 7 03 0 5 4 m4 7 561 5 04 04 01 03 53 34 9 0 1 5 5 0 08 45 14 3 44 TRIGGER MENU 3 44 5 6 Type 101 61 6 5 906 4 5 Video 3 44 5 6 Standard 101 61 6 5 906 4 5 625 PAL 3 44 5 6 Line 4 5 91 50 4 5 5 6 3 50 13 44 7 5 ENTER 3 44 VERTICAL MENU 3 44 5 6 Bandwidth 5 100 MHz 30 5 4 6 3 44 5 6 Fine Scale 4 5 91 50 4 5 5 4 50 282mV 13 ...

Страница 141: ...nce Tests Performance Verification 4Ć62 2 H COMPST W W H 100 FIELD 2 75 W Cable PAL Signal Source TSG121 75 W Terminator Figure 4Ć27 ăJitter Test Hookup TRIG D 1 0 2 Figure 4Ć28 ăJitter Test Displayed Waveform ...

Страница 142: ...te 0 5 1 V Limit 0 4 0 0 0 0 2 100 SHIFT m 0 ENTER 0 5 1 OK Store Template MORE 0 5 1 Ref1 CH1 SHIFT 0 ACQUIRE MENU 0 5 1 Limit Test Setup 0 5 1 Limit Test 0 ON 0 5 1 Ring Bell if Condition Met 0 ON 0 5 1 Mode 0 5 1 Envelope 0 4 0 0 2 0 1 1 0 100 0 ENTER 0 0 5 1 Stop After 100 1 0 5 1 Single Acquisition Sequence 2 0 0 0 1 1 4 1 0 0 1 1 0 3 0 3 Run 0 0 0 0 4 0 STOP 0 0 0 0 1 5 ...

Страница 143: ...te Figure 4Ć29 ăJitter Test When Completed Limit Test Setup Ring Bell if Condition Met OFF Limit Test OFF MORE WAVEFORM OFF HORIZONTAL MENU Horiz Scale div m 50 SHIFT m ENTER SHIFT ACQUIRE MENU Stop After RUN STOP button only Mode Sample RUN STOP VERTICAL MENU 300 SHIFT m ENTER ...

Страница 144: ...Performance Tests TDS 520A 524A 540A 544A Service Manual 4Ć65 TRIG D 0 1 0 0 2 Positive pulse Negative pulses Figure 4Ć30 ăTriggered Signal Range Test 300 mV 0 75 SHIFT m ENTER TRIG D 0 1 0 0 2 ...

Страница 145: ...rification 4Ć66 Positive pulse Negative pulses Figure 4Ć31 ăTriggered Signal Range Test 75 mV 0 1 0 0 H 282 SHIFT m ENTER H WAVEFORM OFF H CH2 H VERTICAL MENU H 2 ENTER H HORIZONTAL MENU H 0 1 1 Horiz Scale div 5 SHIFT m ENTER 0 H W 1 ...

Страница 146: ... 524A 540A 544A Service Manual 4Ć67 W Signal Generator SG 502 Figure 4Ć32 ă60 Hz Rejection Test Hookup H 0 0 3 4 1 1 Figure 4Ć33 ă60 Hz Rejection Test Setup Signal 3 H 2 3 4 4 0 Horiz Scale div m 50 SHIFT m ENTER H COMPST W W 4 ...

Страница 147: ...0 1 00 500 SHIFT m 1 ENTER H 1 1 1 0 0 2 0 0 1 0 7 1 COMPST 1 1 2 W W 1 1 1 1 21 2 7 Signal Generator SG 502 PAL Signal Source TSG121 W W W W W Figure 4Ć34 ăSubsequent 60 Hz Rejection Test Hookup H 1 1 1 TRIG D 01 50 1 1 1 4 3 0 0 01 1 0 1 4 3 0 1 3 6 1 5 3 1 5 0 1 1 1 4 3 1 0 0 0 1 3 2 0 2 1 3 2 0 0 2 7 ...

Страница 148: ...0A 524A 540A 544A Service Manual 4Ć69 Figure 4Ć35 ă60 Hz Rejection Test Result H H WAVEFORM OFF H CH1 H HORIZONTAL MENU H Record Length H more 1 of 2 H 5000 points in 100divs H Horiz Scale div H 200 SHIFT n ENTER H COMPST W W ...

Страница 149: ...0 75 W Cable 75 W Terminator PAL Signal Source TSG121 Figure 4Ć36 ăLine Count Accuracy Test Hookup H Trigger Position H Set to 50 H Horiz Pos H Set to 50 H HORIZONTAL POSITION Figure 4Ć37 ăLine Count Accuracy Test Setup Waveform H CURSOR H Function ...

Страница 150: ...0A 524A 540A 544A Service Manual 4Ć71 H V Bars H H SELECT H 6 780us H HORIZONTAL POSITION H Figure 4Ć38 ăLine Count Accuracy Correct Result Waveform H H CURSOR Function Off H TRIGGER MENU H Standard FlexFmt Type Video H Setup ...

Страница 151: ...3 more 1 of 2 V1 Start Time H 1 m 10 10 SHIFT m ENTER H 3 V1 Stop Time H 1 m 10 50 SHIFT m ENTER H 3 Type 3 Edge H HORIZONTAL MENU H 3 Record Length H 3 1000 points in 20div 3 more 2 of 2 H HORIZONTAL POSITION 0 H MEASURE H 3 Select Measrmnt H 3 Negative Width H 3 Period 1 1 1 H PULSE DURATION H PERIOD m H OUTPUT VOLTS 1 LOW LEVEL 1 HIGH LEVEL H COMPLEMENT H BACK TERM ...

Страница 152: ...A 540A 544A Service Manual 4Ć73 H W W 50 W Cable Pulse Generator PG502 50 W Terminator Figure 4Ć39 ăPG502 Setup for Sync Duty Cycle Test H OUTPUT VOLTS NOTE You may need to adjust the trigger level control to obtain a stable trigger ...

Страница 153: ...RATION CH1 Width 400ns 10 ns H HORIZONTAL SCALE 5 ms div H CH1 Period 21 000ms 25 50 ns NOTE The pulse duration and period adjustments are critical in making this measurement If the pulse duration and or the duty cycle are not stable the FLEXFMT function may not function You must take care when making these adjustments ...

Страница 154: ...75 Figure 4Ć41 ăSync Duty Cycle Test Critically Adjusted Pulse H TRIGGER MENU H 0 Type 0 Video TRIG D CH1 Width CH1 Period H TRIG D H H TRIG D H Sync Polarity H Pos Sync H COMPLEMENT H TRIG D H H TRIG D H H SETUP 0 Recall Factory Setup 0 OK Confirm Factory Init ...

Страница 155: ... 4Ć76 ...

Страница 156: ... ...

Страница 157: ......

Страница 158: ...0 WarĆ ranted Characteristics Specifications Adjustment Procedures 0 H 5 H 5 2 H TDS 520A 524A 540A 544A Adjustment Software H 5 H TDS 520A 524A 540A 544A Adjustment Software 0 5 0 H 2 H 2 2 2 2 2 2 2 WarmĆup Period 0 5 _4 _4 2 5 3 Access 1 0 2 2 0 General Information ...

Страница 159: ... 534 4 3 3 0 Test Equipment 15 0 4 34 34 24 0 343 4 34 15 0 4 2 15 2 4 534 4 3 3 3 0 7 4 0 3 3 2 7 4 9 5 534 4 534 4 3 3 0 7 4 3 9 4 3 47 2 6 5 534 4 0 2 2 534 4 0 3 2 3 3 533 Performing the Adjustments 3 02 52 3 2 53 4 2 452 4 3 3 0 4 2 7 4 43 Warranted Characteristics 3 34 4 Specification 4 3 53 4 04 4 0 2 2 4 3 3 0 3 2 25 4 3 534 43 3 5 6 29 523 0 2 4 2 9 2 53 2 15 4 9 5 7 4 2 15 2 4 5 9 534 9 ...

Страница 160: ... Manual 5Ć3 Complete Adjustment complete adjustment TDS 520A 524A 540A 544A Adjustment Software Probe Adjustment Individual Adjustments H H H Signal Path Compensation Partial Adjustment Complete Adjustment Adjustment After Repair Adjustment DependenĆ cies ...

Страница 161: ... Repair TableĂ5Ć1 ăAdjustments Required for Module Replaced Module Replaced Adjustment Required 1If a firmware upgrade is done a complete adjustment is required Adjustment Dependencies TableĂ5Ć2 ăAdjustments and Dependencies Adjustment Prior Completion Requirements ...

Страница 162: ...er 011 0059 02 SoftwareĆbased Adjustments 5 Attenuator 2X Ratio 2X impedance 50 W connectors female BNC input male BNC output Tektronix part number 011 0069 02 SoftwareĆbased Adjustments 6 Cable GPIB IEEE Std 488 1 1987 IEEE Std 488 2 1987 Tektronix part number 002 0991 01 SoftwareĆbased Adjustments 7 Coupler Dual Input Tektronix part number 067 0525 02 SoftwareĆbased Adjustments 8 Cable Precision...

Страница 163: ...4 08 530 9 1 03 2 7 7 3 503 0 58 3 4 645 54 3 503 7 7 3 26 50 3 1 56 30 50 1 1 50 W 3 3 3 0 0 5 5 3 0 08 30 6 5 05 34 08 530 9 1 7 7 3 503 8 5 54 7 03 530 9 2 30 3 7 7 3 503 8 5 54 7 0 58 3 4 645 54 3 5 3 00 3 5 44 0 64 645 5 050 5 3 50 005 354 530 9 050 5 3 8 5 6 30 0 53 45 645 5 30 30 530 9 30 645 5 6 4 3 6 0 530 9 530 9 30 645 5 1 Requires a TM 500 or TM5000 Series Power Module Mainframe 2 Requ...

Страница 164: ...1 4 1 1 3 6 3 3 1 6 1 2 8 41 9 1 TableĂ5Ć4 ăGPIB Board Configuration1 Board Settings GPIBĆPCII GPIBĆPCIIA 2 1 22 7 3 114 3 1Systems using the combination card GPIBĆPCII IIA can be configured as either a GPIBĆ PCII or a GPIBĆPCIIA Software Installation 42 3 2 23 3 1 41 6 23 3 2 2 36 1 6 43 1 2 23 3 1 1 42 2 1 3 12 8 4 24 8 2 23 24 23 3 1 3 423 23 13 4 8 41 1 2 1 3 18 3 1 23 3 8 4 6 2314 3 3 14 3 2 ...

Страница 165: ...ftware to hard disk 1 0 1 1 install 0 1 0 0 0 1 3 0 0 1 TDS500 ADJ 1 Store your installation disk 1 SoftwareĆbased Adjustments Equipment Required 2 0 3 3 2 3 3 Hook up the oscilloscope 0 Set up the oscilloscope SHIFT UTILITY 1 3 System I O 3 3 3 TALK LISTEN 1 1 0 ...

Страница 166: ...520A 524A 540A 544A Service Manual 5Ć9 Enable the adjustment constants to be written Unprotected Protected Figure 5Ć1 ăAccessing the Protection Switch Let the oscilloscope warm up Start the adjustment software TDS500 ADJ ADJ500 ...

Страница 167: ... 5Ć10 CAUTION ...

Страница 168: ...uired Install the test hookup and preset the oscilloscope controls Figure 5Ć2 ăHookup for Probe Compensation Hook up testĆsignal source CH 1 PROBE COMPENSATION SIGNAL PROBE COMPENĆ SATION GND Initialize the oscilloscope H SETUP H Recall Factory Setup H OK Confirm Factory Init Modify the initialized frontĆpanel control settings H AUTOSET SCALE m H SHIFT ACQUIRE MENU H Mode Hi Res Probe Adjustment ...

Страница 169: ...res Adjustment Procedures 5Ć12 Figure 5Ć3 ăPerforming Probe Compensation Compensate the Probe Probe compensated correctly Probe overĆcompensated Probe underĆcompensated Figure 5Ć4 ăProper and Improper Probe Compensation ...

Страница 170: ...e Probe Bandwidth Equipment Required 1 0 1 1 1 1 1 1 First pull forward to remove the retractĆ able hook tip Second unscrew the ribbed ferrule tip cover and pull forward to remove Last pull forward to remove the groundĆlead assembly Figure 5Ć5 ăExposing the Inner Probe Tip ...

Страница 171: ...NCĆto Probe Tip Adapter Figure 5Ć6 ăInitial Test Hookup Hook up testĆsignal source H H H Initialize the oscilloscope H SETUP H Recall Factory Setup H OK Confirm Factory Init Modify the initialized frontĆpanel control settings H SCALE H SCALE H SHIFT ACQUIRE MENU H Mode Hi Res H MEASURE H HiĆLow Setup MinĆMax H Select Measrmnt for Ch1 ...

Страница 172: ... 645 5 4 4 7 34 5 4536 5 0 4 63 0 1 50 3 45 5 3 53 5 00 130 5 1 46 45 1 8 4 not 1 44 7 5 130 5 1 9104 07 5 130 30 0 0 50 5 95 130 63 Adjust the Probe Ċ High Frequency Response Adjust the Probe Ċ High Frequency Response 0 05 1 3 03 5 4 130 63 6 5 06 7 345 0 1 5 5 130 63 4 Compensate the Probe Measure Probe Bandwidth 0 1 4 3 41 5 7 0 05 1 3 03 5 4 130 63 06 7 46 44 6 0 1 5 Measure Probe Bandwidth 13...

Страница 173: ...ver and metal cord connector to pop off cover Repeat for lower cover Figure 5Ć7 ăExposing the Probe Body Hook up the test signal source Calibration Generator Tunnel Diode Pulser 10X Attenuator Precision Cable Figure 5Ć8 ăInitial Test Hookup H W H H Initialize the oscilloscope H SETUP H Recall Factory Setup ...

Страница 174: ...CAL MENU Coupling W W H SHIFT ACQUIRE MENU H Mode Hi Res H CLEAR MENU Adjust the Probe Display and store the reference signal H at the input to the tunnel diode pulser H H SET LEVEL TO 50 H SCALE H HORIZONTAL MENU H Trigger Position 10 H SHIFT SAVE WAVEFORM H Save Waveform To Ref 1 H MORE Ref 1 Display the test signal H H H H H Coupling W W H HORIZONTAL MENU ...

Страница 175: ...omp R1 R2 C1 Not Used Figure 5Ć9 ăLocations of Probe Adjustments H H First adjust R1 for best overall match Second adjust R2 and C1 for best match between front corners Third repeat the first two steps as needed due to interaction between adjustments Figure 5Ć10 ăAdjustments vs FrontĆCorner Response ...

Страница 176: ...0 0 2 3128 2 6 31 2 1 0 30 2 312 2 1 6 11 6 2 1 0 0 0 0 2 11 20 12 4 3 1 2 1 8 2 06 Brightness and Contrast Adjustment TDS 520A and 540A Monochrome Only Equipment Required 07 2 2 2 0 5 2 3 0 2 Access the inside of the oscilloscope Removal and Installation Procedures 2 2 0 4 2 2 Adjust the display brightness Display the Composite test pattern H 4 2 1 1 5 0 H 2 2 15 2 2 0 2 0 2 2 0 18 1 0 1 6 1 51 S...

Страница 177: ...4 0 0 EXECUTE 4 0 0 Ok Confirm Run Test Make the brightness adjustment H 2 0 0 0 0 H 1 0 0 H 0 0 0 0 0 4 0 2 0 0 1 2 1 2 0 10 Patch 5 Patch Figure 5Ć11 ăTDS 520A 540A Five and Ten Percent Luminance Patches Adjust the display contrast Display the White Field test pattern H 4 0 0 3 0 H 4 0 0 Tests ...

Страница 178: ... Service Manual 5Ć21 H 0 1 more White Field White Field H 1 EXECUTE 1 Ok Confirm Run Test Make the contrast adjustment H H H 0 0 Restore the oscilloscope to normal operation Switch No 1 2 3 4 5 6 7 8 Open Closed Removal and Installation Procedures ...

Страница 179: ...osed H 18 3 10 5 14 14 12 H 3 44 SHIFT 5 0 23 44 UTILITY H 2 5 9 23 44 5 0 06 65510 System 605 Diag Err 4 5 0 5 212 62 06 H 2 5 9 23 44 5 0 06 65510 Area 605 Display 4 5 0 5 212 62 06 H 2 5 9 23 44 5 4 06 65510 more 605 ComposĆ ite 22 34 0 5 4 06 64 Composite H 3 44 5 0 06 65510 EXECUTE 5 0 23 44 5 4 06 65510 Ok Confirm Run Test 645 51 0 5 42 9 4 5 5 4 5 3 3160 5 42 9 4 3 3 0 4 5 4 10 645 05 31 5 ...

Страница 180: ... 524A 544A Five and Ten Percent Luminance Patches Adjust the display contrast Display the White Field test pattern H 0 0 5 1 100 0 4 0 5 1 H 0 5 1 100 Tests H 0 4 0 5 1 100 more 1 0 White Field 0 1 1 White Field H 0 5 1 100 EXECUTE 0 0 5 1 100 Ok Confirm Run Test Make the contrast adjustment H 0 0 0 1 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 1 0 0 0 H 0 0 1 0 0 1 0 0 1 ...

Страница 181: ... Adjustment Procedures 5Ć24 H NOTE The adjustments for contrast and brightness interact with each other Restore the oscilloscope to normal operation Switch No 1 2 3 4 5 6 7 8 Open Closed Removal and Installation Procedures ...

Страница 182: ... ...

Страница 183: ......

Страница 184: ...A 540A 544A Service Manual 6Ć1 Maintenance Information H Maintenance Information 0 H Inspection and Cleaning 0 H Removal and Installation Procedures 0 H Troubleshooting 0 H H H H H H Procedures Not In This Section ...

Страница 185: ... Information Maintenance 6Ć2 CAUTION Electrostatic discharge can damage any semiconductor component in this oscilloscope Precautions 0 0 0 0 0 0 0 0 0 Susceptibility to ESD 0 Preventing Electrostatic Discharge ESD ...

Страница 186: ...o StaticĆDischarge Damage Semiconductor Classes Relative Susceptibility Levels1 1Voltage equivalent for levels voltage discharged from a 100ĂpF capacitor through resisĆ tance of 100 ohms 1Ă Ă100 to 500 V 6 600 to 800 V 2 200 to 500 V 7 400 to 1000 V est 3 250 V 8 900 V 4 500 V 9 1200 V 5 400 to 600 V ąą ...

Страница 187: ... 6Ć4 ...

Страница 188: ...t damage the plastics used in this oscilloscope Use only deionized water when cleaning the menu buttons or frontĆpanel buttons Use a 75 isoproĆ pyl alcohol solution as a cleaner and rinse with deionized water BeĆ fore using any other type of cleaner consult your Tektronix Service Center or representative General Care Inspection and Cleaning Procedures ...

Страница 189: ... Exterior TableĂ6Ć2 ăExternal Inspection Check List Item Inspect For Repair Action Cleaning Procedure Ċ Exterior CAUTION To prevent getting moisture inside the oscilloscope during external cleaning use only enough liquid to dampen the cloth or applicator ...

Страница 190: ...nspection Ċ Interior Removal and Installation Procedures CAUTION To prevent damage from electrical arcing ensure that circuit boards and components are dry before applying power to the oscilloscope TableĂ6Ć3 ăInternal Inspection Check List Item Inspect For Repair Action ...

Страница 191: ... 1 1 0 0 0 3 1 0 3 0 5 39 1 6 4 0 5 2 5 1 0 3 0 0 0 5 10 3 0 3 6 3 0 00 90 0 1 1 3 1 0 0 0 2 0 1 0 0 0 5 5 3 1 10 5 5 0 0 1 0 0 0 0 5 2 5 7 2 0 0 1 5 3 05 0 3 0 0 5 3 0 0 05 0 0 2 0 0 _8 0 _8 6 3 0 0 0 1 5 0 5 0 3 0 39 1 6 5 0 2 5 0 0 1 390 01 _8 0 _8 1 0 Lubrication 1 0 1 0 ...

Страница 192: ...his manual read the Safety Summary found at the beginning of this manual Also to prevent possible injury to service personnel or damage to this oscilloscopes components read in Section 2 and on page 6Ć2 WARNING Before doing any procedure in this subsection disconnect the power cord from the line voltage source Failure to do so could cause serious injury or death Preparation Ċ Please Read ...

Страница 193: ...f Procedures Equipment Required Disassembly for Cleaning Access Procedure Summary of Procedures Table of Contents H Access Procedure H Procedures for External Modules H Procedures for OuterĆChassis Modules H Procedures for InnerĆChassis Modules H Disassembly for Cleaning Inspection and Cleaning NOTE Read the cleaning procedure before disassembling the oscilloscope for cleaning ...

Страница 194: ...Use this tool whenever a procedure step instructs you to remove or install a screw unless a different size screwdriver is specified in that step 4 TableĂ6Ć4 ăTools Required for Module Removal Item No Name Description Tektronix Part Number 0 1R4 4 1 1R4 4 3 0 4 1 1R4 4 3 0 4 1 0 1R4 4 3 0 2 4 0 0 4 0 0 0 4 0 4 4 0 4 0 3 ...

Страница 195: ...2 Line Cord Fuse Cap Handle Trim Ring Front Panel Knobs Front Cover Line Fuse Handle Cap Attenuator Cover Foot Pad Flip Stand Cabinet Rear Cover A12 Front Panel Assembly Foot Display Frame Menu Buttons EMI Gasket EMI Gasket Figure 6Ć1 ăExternal Modules ...

Страница 196: ...24A 540A 544A Service Manual 6Ć13 Analog and Digital Power Cables A14 D1 Bus Rear Chassis Fan A10 Acquisition Board A15 Attenuator Assembly Top Cover Board Bracket A23 SerPar Board A11 DRAM Processor Display Board Figure 6Ć2 ăOuterĆChassis Modules ...

Страница 197: ...Removal and Installation Procedures Maintenance 6Ć14 A16 Power Supply Front Subpanel A20 Display Assembly Main Chassis Figure 6Ć3 ăInnerĆChassis Modules TDS 520A or 540A with A20 Display Assembly ...

Страница 198: ...d Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć15 A16 Power Supply Front Subpanel A30 Display Assembly Main Chassis Figure 6Ć4 ăInnerĆChassis Modules TDS 524A or 544A with A30 Display Assembly ...

Страница 199: ...an outerĆchassis module remove it Front Cover Trim Ring Menu Buttons and Attenuator Panel Procedures for External Modules Procedures for OuterĆChassis Modules If the module is an innerĆchassis module access the innerĆchassis Front Cover Trim Ring Menu Buttons and Attenuator Panel Procedures for External Modules Procedures for External Modules A12 FrontĆPanel Assembly A15 Attenuator Assembly Proced...

Страница 200: ...bs H Line Fuse and Line Cord H EMI Gaskets H Rear Cover and Cabinet H Front Cover Trim Ring Menu Buttons and Attenuator Panel H A12 FrontĆPanel Assembly H Display Frame H Cabinet Modules FrontĆPanel Knobs Assemble equipment and locate modules to be removed Orient the oscilloscope Remove the knob s Reinstallation Procedures for External Modules ...

Страница 201: ...n reinstalling the knobs note there are three sizes Be sure to reinstall the proper size knob in the proper location Figure 6Ć5 ăKnob Removal Line Fuse and Line Cord Assemble equipment and locate modules to be removed External Modules Orient the oscilloscope ...

Страница 202: ...Procedures TDS 520A 524A 540A 544A Service Manual 6Ć19 Remove line fuse Remove line cord Reinstallation Line Fuse Fuse Cap 1 Unplug 2 Rotate 3 Pull Figure 6Ć6 ăLine Fuse and Line Cord Removal EMI Gaskets Rear Cover and Cabinet ...

Страница 203: ...e oscilloscope Take care not to bind or snag the cabinet on the oscilloscopes internal cabling as you remove it DO NOT do steps 6 through 8 to remove the EMI gasket s unless they must be replaced due to damage If you are not replacing those gaskets skip to step 9 When reinstalling EMI gaskets and or the oscilloscope cabinet carefully follow the instructions given Unless they are performed properly...

Страница 204: ...Removal and Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć21 ...

Страница 205: ...Removal and Installation Procedures Maintenance 6Ć22 Figure 6Ć7 ăRear Cover and Cabinet Removal ...

Страница 206: ...quipment and locate modules to be removed External Modules Orient the oscilloscope Remove the front cover Trim Ring when removing the trim ring grasp its back edge and vigorously flex it upward before pulling it forward Attenuator Panel Menu Buttons Figure 6Ć8 ăFront Cover Trim Ring Menu Buttons and Attenuator Panel Removal Front Cover not Shown ...

Страница 207: ...Removal and Installation Procedures Maintenance 6Ć24 Remove the trim ring Remove the attenuator panel Reinstallation ...

Страница 208: ...ion instructions for the front panel and front panel buttons Unless either of those modĆ ules are being serviced do not do step 4 Further disassembly of frontĆpanel assembly Assemble equipment and locate modules to be removed R External Modules Front Cover Trim Ring Menu Buttons and AttenuaĆ tor Panel Orient the oscilloscope Remove the frontĆpanel assembly ...

Страница 209: ...and Installation Procedures Maintenance 6Ć26 P3 FrontĆPanel Assembly To J2 of A11 DRAMA Processor Display Board Figure 6Ć9 ăA12 FrontĆPanel Assembly Further disassembly of frontĆpanel assembly FrontĆPanel Knobs ...

Страница 210: ...27 Figure 6Ć10 ăDisassembly of FrontĆPanel Assembly Reinstallation Front Cover Trim Ring Menu Buttons and Attenuator Panel DisplayĆFrame Assembly Assemble equipment and locate modules to be removed R OuterĆChassis Modules Orient the oscilloscope Remove the displayĆframe assembly ...

Страница 211: ...Removal and Installation Procedures Maintenance 6Ć28 Front Cover Trim Ring Menu Buttons and AttenuaĆ tor Panel Floppy Disk Reinstallation Front Cover Trim Ring Menu Buttons and Attenuator Panel ...

Страница 212: ... Modules Assemble equipment and locate modules to be removed 1 2 External Modules Orient the oscilloscope Remove the handle 2 Remove the handle caps 1 0 Remove the flip stand 1 Remove the flip stand foot or feet Rear Cover and Cabinet 2 1 1 1 2 1 Reinstallation 1 Rear Cover and Cabinet 2 ...

Страница 213: ...Installation Procedures Maintenance 6Ć30 Handle Removal Flip Stand Removal Foot Removal Handle Cap Removal Push down to flex handle and flatten against cabinet then pull it out Figure 6Ć11 ăCabinet Modules Removal ...

Страница 214: ...ay Board H Top Cover and Board Brackets H RearĆPanel Cables H A10 Acquisition Board H Rear Chassis A15 Attenuator Assembly Assemble equipment and locate modules to be removed 1 4 2 1 2 5 6 3R 0 1 OuterĆ Chassis Modules 0 6 6 Orient the oscilloscope 2 2 0 4 0 Remove the Attenuator Assembly 0 0 6 0 0 0 0 6 0 0 6 0 0 6 2 1 0 2 2 4 0 3 2 4 0 1 0 1 4 0 4 0 0 1 0 0 0 7 0 6 2 Reinstallation 1 0 1 1 0 0 4...

Страница 215: ...enuator Panel J1100 J1200 J1300 J1400 Figure 6Ć12 ăAttenuator Interconnect Cable Routing and Jack Locations H Rear Cover and Cabinet Fan Assemble equipment and locate module to be removed R OuterĆChassis Modules Orient the oscilloscope Disconnect the fan from processor display board Remove the fan ...

Страница 216: ...Removal and Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć33 2 4 2 A14 D1 Bus and Power Cables 2 0 0 3 4 1R 4 4 0 0 2 0 4 2 4 0 2 04 0 2 4 0 2 04 0 2 ...

Страница 217: ...cedures Maintenance 6Ć34 Analog and Digital Power Cables Interchangeable A14 D1 Bus Figure 6Ć13 ăA14 D1 Bus and Power Cables Removal Reinstallation H Front Cover Trim Ring Menu Buttons and Attenuator Panel H Rear Cover and Cabinet ...

Страница 218: ...Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć35 A23 SerPar Board RS232 Centronics Hardcopy Interface Remove circuit board assembly R Figure 6Ć14 ăRemove Circuit Board Assembly From Oscilloscope ...

Страница 219: ...y 0 0 Figure 6Ć15 ăRemove Circuit Board From Assembly Replace circuit board Equipment Required 0 R 0 Replaceable Parts List Circuit Board Removal From Assembly Remove circuit board from assemĆ bly H Front Cover Trim Ring Menu Buttons and Attenuator Panel 0 H Rear Cover and Cabinet 0 0 0 ...

Страница 220: ... 3 4 3 not 33 29 4 05 4 2 33 9 54 4 2 9 2 3 4 3 3 29 4 2 6 4 4 2 2 4 2 2 2 4 4 2 33 2 30 9 2 Orient the oscilloscope 4 4 3 3 0 3 43 44 3 7 4 7 2 352 43 2 4 3 9 5 Disconnect the fan from processor display board 0 5 4 3 0 7 2 2 Remove the processor display board 52 3 73 4 2 2 2 04 34 3 52 3 5 7 4 7 35 34 03 2 2 4 2 2 0 2 6 4 47 3 2 73 5 4 4 3500 24 2 4 4 2 2 0 4 4 54 2 4 2 2 0 3 4 4 47 0 7 2 4 23 4 ...

Страница 221: ...Removal and Installation Procedures Maintenance 6Ć38 Figure 6Ć16 ăCircuit Board Installed ...

Страница 222: ...Removal and Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć39 Figure 6Ć17 ăProper Routing of the Video Cable ...

Страница 223: ...Removal and Installation Procedures Maintenance 6Ć40 Figure 6Ć18 ăCircuit Board Removal ...

Страница 224: ...rrange the coax cable around the post as shown in Figures 6Ć16 and 6Ć17 Failure to do this may impair performance Also when plugging in the digital bus boards 1 and 3 in Figure 6Ć18 make sure that they remain plugged in on both ends A14 D1 Bus and Power Cables A23 SerPar Board Rear Cover and Cabinet DiagĆ nostics ...

Страница 225: ...e following substeps a Working from the rear panel remove the two screws mounting the support bracket in the rear panel Then lift it out from the rear panel b Unplug the interconnect cable from the GPIB connector on the rear cover at J35 of the processor display board Disconnect the bus cable at J5 Unplug J62 video signal connector J51 Monitor VGA connector J37 RS232 Centronics connector and J38 f...

Страница 226: ...38 and J35 Second slide the A11 DRAM Processor Display board to the rear to release if from the board mounts then lift up to complete removal J38 J35 Figure 6Ć19 ăA11 Processor Display Removal Top Cover and Board Brackets Assemble equipment and locate modules to be removed R board mount OuterĆ Chassis Modules ...

Страница 227: ...r Board A11 Processor Display Board Orient the oscilloscope Remove the top cover Remove the board mount s Figure 6Ć20 ăBoard Bracket Removal Reinstallation H A11 Processor Display Board H A14 D1 Bus and Power Cables H A23 SerPar Board H Front Cover Trim Ring Menu Buttons and Attenuator Panel ...

Страница 228: ...ear chassis and unplug the cable to be removed c For the cables CH 3 OUT or AUX TRIGGER IN disconnect the cable from its cable clamp on the main chassis d Note the cable s color code for later reinstallation then lift it away from the oscilloscope to remove it 4 Reinstallation Reverse substeps in step 2 and 3 to reinstall any cables removed See A10 Acquisition Board to reinstall the acquisition bo...

Страница 229: ...ures Maintenance 6Ć46 0 0 4 0 0 0 0 0 4 0 1 2 2 0 0 0 1 2 0 0 2 3 4 1 J1100 J1200 J1300 J1400 J1153 J1201 J1550 J1000 J1001 AUXILIARY TRIGGER IN DELAYED TRIGGER OUT MAIN TRIGGER OUT CH 3 OUT Figure 6Ć21 ăA11 Processor Display Removal ...

Страница 230: ...Cables 4 H Front Cover Trim Ring Menu Buttons and Attenuator Panel 4 H Rear Cover and Cabinet 4 Floppy Disk Assemble equipment and locate modules to be removed 1 3 2 1 2 0 1 0 0 Additional Modules Removed OuterĆChassis Modules 0 4 4 Orient the oscilloscope 2 2 0 3 0 Remove the Floppy Disk 0 4 0 0 3 1 1 3 0 1 1 1 1 1 1 0 1 0 2 0 0 1 1 4 1 2 0 2 1 0 ...

Страница 231: ...Removal and Installation Procedures Maintenance 6Ć48 Figure 6Ć22 ăFloppy Disk Removal Reinstallation floppy disk H Front Cover Trim Ring Menu Buttons and Attenuator Panel H Rear Cover and Cabinet ...

Страница 232: ...the rear chassis Use Figure 6Ć23 as a guide when doing the following substeps a Unplug the GPIB interconnect cable at J32 of the processor display board b Remove the 6 screws securing the rear chassis to the main chassis and the two screws securing it to the lowĆvoltage powerĆsupply shield c Lift the rear chassis up slightly to access the cables connected to it Disconnect those cables from CH 3 OU...

Страница 233: ...Removal and Installation Procedures Maintenance 6Ć50 CH3 OUT J1201 AUXILIARY TRIGGER J1550 MAIN TRIGGER J1000 DELAY TRIGGER J1001 EMI GASKET Figure 6Ć23 ăRear Chassis Removal ...

Страница 234: ...t Subpanel Main Chassis A16 Low Voltage Power Supply Assemble equipment and locate modules to be removed 0 1 R InnerĆChassis Modules 1 1 Orient the oscilloscope Remove the lowĆvoltage power Supply 1 1 1 Reinstallation 1 H Top Cover and Board Brackets 1 H A11 Processor Display Board 1 H A14 D1 Bus and Power Cables 1 H Rear Cover and Cabinet 1 Procedures for InnerĆChassis Modules ...

Страница 235: ... and Installation Procedures Maintenance 6Ć52 Rotate the edge of the board upward as indicated to clear the lip of the main chassis when lifting this board out Figure 6Ć24 ăA16 Low Voltage Power Supply Removal ...

Страница 236: ...2R 0 InnerĆChassis Modules 5 5 Orient the oscilloscope 1 1 3 Remove the highĆvoltage fuse 3 0 0 0 WARNING Display tube handling Use care when handling a display tube If you break a display tube it may implode scattering glass fragments with high velocity and possibly injuring you Wear protective clothing including safety glasses preferably a fullĆface shield Avoiding striking the display tube with...

Страница 237: ...ound a flatĆbladed screwdriver Item 5 with an insulated handle to the chassis through a suitable grounding strap Next probe under the insulating cap of the anode lead and touch the lead s metal conductor to discharge Repeat After unplugging the anode in substep d touch its metal conductor to the chassis for a few minutes to further ensure discharge WARNING WARNING WARNING WARNING ...

Страница 238: ...Removal and Installation Procedures TDS 520A 524A 540A 544A Service Manual 6Ć55 J305 J170 J570 J350 Figure 6Ć25 ăDisplay Assembly Removal TDS 524A and 544A ...

Страница 239: ...Removal and Installation Procedures Maintenance 6Ć56 Figure 6Ć26 ăDisplay Assembly Removal TDS 520A and 540A Remove the DisplayĆSupply board ...

Страница 240: ...540A 544A Service Manual 6Ć57 Move Circuit Board Forward to Clear Main Chassis Figure 6Ć27 ăDisplayĆDriver Board Removal Reinstallation H Top Cover and Board Brackets H A11 Processor Display Board H A14 D1 Bus and Power Cables H DisplayĆFrame Assembly ...

Страница 241: ...0 R A20 or A30 Display Assembly and Supply Fuse 0 0 InnerĆChasĆ sis Modules 0 0 Orient the oscilloscope Remove the front subpanel 0 Reinstallation 0 0 A20 or A30 Display Assembly and Supply Fuse 0 0 H A12 FrontĆpanel Assembly H Top Cover and Board Brackets 0 H A11 Processor Display Board 0 H A14 D1 Bus and Power Cables 0 H Front Cover Trim Ring Menu Buttons and Attenuator Panel 0 H Rear Cover and ...

Страница 242: ...s TDS 520A 524A 540A 544A Service Manual 6Ć59 Figure 6Ć28 ăFront Subpanel Removal Main Chassis Additional Modules Removed Remove the main chassis Disassembly for Cleaning Disassembly for Cleaning Reinstallation Disassembly for Cleaning ...

Страница 243: ...l 1 Front Subpanel 1 DisplayĆFrame Assembly Remove the outerĆchassis modules Procedures for OuterĆChassis Modules 1 Fan 1 A14 D1 Bus and Power Cables 1 A23 SerPar Board 1 A29 Video Trigger Board with option 05 1 A11 Processor Display Board 1 Top Cover and Board Brackets 1 A15 Attenuator Assembly A10 Acquisition Board 1 Remove the innerĆchassis modules Procedures for InnerĆChassis Modules 1 A16 Low...

Страница 244: ... connections will be made when you install the missing module later Reinstall the innerĆchassis modules Procedures for InnerĆChassis Modules H A20 or A30 Display Assembly and Supply Fuse H A16 Low Voltage Power Supply Reinstall the outerĆchassis modules Procedures for OuterĆChassis Modules H A15 Attenuator Assembly H Top Cover and Board Brackets H A11 Processor Display Board H A23 SerPar Board H A...

Страница 245: ...emoval and Installation Procedures Maintenance 6Ć62 H Front Subpanel H DisplayĆFrame Assembly H Front Cover Trim Ring Menu Buttons and Attenuator Panel H Rear Cover and Cabinet H Line Fuse and Line Cord ...

Страница 246: ...ice Manual 6Ć63 Troubleshooting Removal and Installation Procedures Display the System diagnostics menu SHIFT UTILITY System Diag Err Run the System Diagnostics Execute OK Confirm Run Test Wait TDS 520A 524A 540A 544A Diagnostics ...

Страница 247: ...on before updating the firmware Figure 6Ć29 shows how to set the switch After loading the firmware be sure you set the switch back to the protected position and cycle power Optional Accessories Mechanical Parts List Unprotected Protected Figure 6Ć29 ăAccessing the Protection Switch Firmware Updates ...

Страница 248: ...ing wrong with the ON STBY button Perform the Processor Front Panel troubleshooting procedure Yes No Power off the oscilloscope and remove its cabinet using the Rear Cover and Cabinet removal procedure On the A11 DRAM Processor Display module set S1001 s eighth switch to the open position Does DS1 first flash 8 then display a sequence of hex numbers from 1 e with no period preceding them Perform t...

Страница 249: ...ng Maintenance 6Ć66 4 4 4 0 3 0 0 0 0 5 3 2 0 0 0 0 4 0 0 4 0 0 0 4 0 0 0 0 0 4 0 4 0 0 0 0 3 0 5 3 2 1 4 0 4 0 2 0 2 0 1 0 0 0 1 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Figure 6Ć31 ăModule Isolation Troubleshooting Procedure ...

Страница 250: ...1 108 3 48 5 5 065 108 3 4611 9 0 5 108 3 4611 9 70 5 4 0 5 08 3 611 9 0 6 4 63 44 39 5 103 3 9 4 035 1 4 0 50 50 5 5 9 0 530 3 6 5 08 0 5 08 3 611 9 4 0 3 03 5 3 39 5306 4 005 130 63 0 4 4 5 108 3 4611 9 70 5 4 0 0 5 30 4403 41 9 0 6 4 63 44 39 5 103 3 9 4 035 1 4 0 50 50 5 5 9 0 530 3 6 5 0 3 44 5 ON STBY 6550 3 5 30 5 1 54 0 0 4 0 4 5 04 04 01 803 0 0 3 5 70 5 4 0 4 3 5 70 5 4 0 0 4 0 4 5 108 3...

Страница 251: ...Normal Supply Voltages Measured on J26 and J27 on the A11 DRAM Processor Display Module Supply Lower Limit Upper Limit TableĂ6Ć6 ăNoĆLoad Supply Voltages Measured on J5 and J6 on the A17 Main LV Power Supply Module Supply Lower Limit Upper Limit ...

Страница 252: ...Troubleshooting TDS 520A 524A 540A 544A Service Manual 6Ć69 J5 A17 Main LV Power Supply Module 1 39 1 39 J6 Figure 6Ć33 ăPower Supply Voltage Measurement Locations ...

Страница 253: ...00 0 5 2 0 1 00 0 5 2 0 2 7 3 0 0 0 1 2 7 0 1 0 5 00 5 4 1 0 0 0 1 1 1 00 0 5 2 0 2 7 1 4 0 1 6 0 1 6 0 1 00 0 5 2 21 1 1 1 3 1 0 4 1 00 0 5 0 1 1 1 1 4 02 5 1 4 1 4 2 5 1 2 0 1 2 0 0 0 2 0 5 2 1 4 1 1 0 5 1 00 0 5 2 0 1 6 1 6 0 2 7 Figure 6Ć34 ăDisplay Troubleshooting Procedure ...

Страница 254: ...Service Manual 6Ć71 J18 pin 1 Horizontal Sync J18 pin 2 Vertical Sync Figure 6Ć35 ăHorizontal and Vertical Sync Signals J62 pin 1 Video White Level Black Levels Blanking Levels Figure 6Ć36 ăA Video Signal with White Black and Blanking Levels ...

Страница 255: ...Troubleshooting Maintenance 6Ć72 1 0 2 0 1 1 0 1 1 1 1 1 1 Figure 6Ć37 ăProcessor Acquisition Troubleshooting Procedure ...

Страница 256: ...the oscilloscope remove the cable from J2 of the A11 DRAM Processor Display module see Figure 6Ć40 and power back on Is there a 3 125ĂMHz clock on J2 pin 25 Probe J2 pin 2 6 7 11 16 Are these pins 15ĂV 15ĂV 5ĂV 5Ă 1ĂV and 5 1ĂV respectively No Yes Are these pins 15ĂV 15ĂV 5 1ĂV 5ĂV and 5 1ĂV respectively No Yes On the A11 DRAM Processor Display module probe J26 pins 3 and 5 with an ohm meter see F...

Страница 257: ...dure Replace the A15 Attenuator module Replace the A10 Acquisition module Is a 1 kHz 0 250ĂV square wave displayed now Set all the channels to the same vertical scale and select a channel that works correctly Attach the PROBE COMPENSATION signal to a defective channel s BNC on the front of the oscilloscope and swap these two channels coaxes to the A10 Acquisition module No Yes Replace the A15 Atte...

Страница 258: ...A 540A 544A Service Manual 6Ć75 CAUTION Probe only those points specified in the procedures You can cause catastrophĆ ic damage if you attempt to probe other points Figure 6Ć40 ăA11 DRAM Processor Display Module View of Right Side ...

Страница 259: ...Troubleshooting Maintenance 6Ć76 Figure 6Ć41 ăA11 DRAM Processor Display Module View of Lower Left Corner ...

Страница 260: ... ...

Страница 261: ......

Страница 262: ... 1 9 6 1 1 31 7 2 2 8 5 3 1 3 6 1 1 41 3 2 6 3 3 2 2 6 1 1 8 3 423 1 TableĂ7Ć1 ăInternational Power Cords Option Power Cord 5 12 41 9 9 4231 9 13 1 9 6 39 1 9 Option B1 Service Manual 3 2 1 1 31 7 2 2 2 15 4 6 3 3 2 2 Option 1K K218 Scope Cart 3 3 2 3 31 7 2 2 3 13 13 8 4 31 2 13 3 2 2 1 4 8 5 1 32 Option 1M 50 000 Point Record Length 2 3 1 5 2 7 4 1 1 3 32 1 04 2 3 5 3 23 1 4 3 41 3 1 1 2 Options...

Страница 263: ...0 7 4 54 2 15 2 84 2 42 2 4 3 44 2 3 Option 1R Rackmounted Digitizing Oscilloscope 42 8 3 03 4 4 3 3 0 3 7 2 2 7 4 04 52 2 34 4 7 3425 4 2 534 23 7 4 3425 43 4 52 2 2 5 4 2 2 2 5 4 4 2 6 23 3 3425 4 3 2 2 5 4 4 4 3 3 0 3 2 3 00 7 4 4 04 Option 05 Video Trigger 4 4 3 04 42 8 3 03 4 3425 4 7 4 4 3 2 6 34 4 6 43 4 4 52 7 6 3 2 4 3 2 4 2 6 24 39 05 3 4 73 9 5 4 6 34 4 2 4 3 3 Option 2F Advanced DSP Ma...

Страница 264: ...7 787 2 7 1 5 6 1 12 2 1 37 9 8 2 1 785 3 6 2167 17 25 5 7 2 5 7 21 7 1 48 5 7 21 6 1 203 1 7 6 237 21 62 1 8 6 7 67 7 5 3257 25 7 167580 17 2 2 1 67 1 5 6625 6 5 1 8 7 7 7 1 26 2 6 23 TableĂ7Ć2 ăStandard Accessories Accessory Part Number 6 5 18 52 5 00 5 18 5 1 5 250 1 5 7 21 5217 29 5 2 5 25 52 6 48 17 7 285 66 9 6 1 81 7 Probe Accessories 6 5 6625 6 72 7 67 1 5 352 67 35 9 286 37 25 7 352 7 3 7...

Страница 265: ...4 14 17 70 6 0 2 0 4170 19 0 7 6 0 4170 4 4 0 5 6 37 06 6 6 0 4 0 5 9 0 7 5 691 1 0 0 1 145 4170 1 4 0 614 2 4170 4 9 4 8 4 756 06 611 6 6 2 2 2 5514 17 17 0 51 14 4 6 1 19 0 126 10 5514 5 TableĂ7Ć4 ăOptional Accessories Accessory Part Number 48 07 166 4 0 06410 5 6 0 4 5 15 12 46 1706 6 14 108 45 10 5 15 12 4 5 15 12 4 26 4 1 6 44 0 5 4 05 6 5 6 4 6 4 Optional Accessories ...

Страница 266: ...d 1 GHz 1 MW 10X H P6501 Option 02 Microprobe with TekProbe power cable active fixĆ tured 750 MHz 1 MW 10X H AM 503S Ċ DC AC Current probe system AC DC Uses A6302 Current Probe H AM 503S Option 03 DC AC Current probe system AC DC Uses A6303 Current Probe H P6021 AC Current probe 120 Hz to 60 MHz H P6022 AC Current probe 935 kHz to 120 MHz H CTĆ1 Current probe Ċ designed for permanent or semiĆperma...

Страница 267: ... 513 W 51 31 2 25 3 100 513 31 1 1 2 5 100 513 31 1 1 2 5 3 8 3 7 3 645 05 11 1 7 1 2 5 51 0 563 31 2 25 3 31 2 1 3 1 4 5 3 5 24 3 0 2 0 3160 31 1 3 315 513 2 1 315 513 2 1 3 3 0 5 81 1 0 0 1 134 2 2 25 34 18 0 6 5 0 23 0 24 81 1 7 3 05 423 0 4 0 046 513 910 5 3160 44 9 31 2 51 44 4 25 3 NOTE The next four items below can only be used with the CompactĆtoĆ Miniature Probe Tip Adapter 6 25 3 51 31 2...

Страница 268: ...Options and Accessories TDS 520A 524A 540A 544A Service Manual 7Ć7 Accessory Software TableĂ7Ć6 ăAccessory Software Software Part Number Warranty Information ...

Страница 269: ... 7Ć8 ...

Страница 270: ... ...

Страница 271: ......

Страница 272: ...TDS 520A 524A 540A 544A Service Manual 8Ć1 Replaceable Electrical Parts List Mechanical Parts List ...

Страница 273: ...Replaceable Electrical Parts List Electrical Parts List 8Ć2 ...

Страница 274: ... ...

Страница 275: ......

Страница 276: ... positive logic Logic symbols depict the logic function performed and can differ from the manufacturer s data The tilde preceding a signal name indicates that the signal performs its intended function when in the low state Other standards used in the preparation of diagrams by Tektronix Inc are H Tektronix Standard 062 2476 Symbols and Practices for Schematic Drafting H ANSI Y14 159 1971 Interconn...

Страница 277: ...Diagrams Diagrams 9Ć2 Figure 9Ć1 ăInterconnections ...

Страница 278: ...Diagrams TDS 520A 524A 540A 544A Service Manual 9Ć3 Figure 9Ć1 Interconnections Cont ...

Страница 279: ...Diagrams Diagrams 9Ć4 A20 CRT Driver for Monochrome Models only TDS 520A and TDS 540A Figure 9Ć1 ăInterconnections Cont ...

Страница 280: ...Diagrams TDS 520A 524A 540A 544A Service Manual 9Ć5 Figure 9Ć2 ăBlock Diagram ...

Страница 281: ...Diagrams Diagrams 9Ć6 Figure 9Ć2 Block Diagram Cont ...

Страница 282: ... ...

Страница 283: ......

Страница 284: ...t serial number H Instrument modification number if applicable If you order a part that has been replaced with a different or improved part your local Tektronix field office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual Tektronix part numbers contain two digits that show the revision level of the part For mos...

Страница 285: ...ing replacement parts from Tektronix 3 and 4 Serial Number Column three indicates the serial number at which the part was first effective Column four indicates the serial number at which the part was discontinued No entries indicates the part is good for all serial numbers 5 Qty This indicates the quantity of parts used 6 Name Description An item name is separated from the description by a colon B...

Страница 286: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć3 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code Manufacturer Address City State Zip Code ...

Страница 287: ...Replaceable Parts List Mechanical Parts List 10Ć4 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No ...

Страница 288: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć5 A12 Figure 10Ć1 ăCabinet and Front Panel ...

Страница 289: ...Replaceable Parts List Mechanical Parts List 10Ć6 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No ...

Страница 290: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć7 A14 A15 A11 A10 A21 Option 13 A23 Figure 10Ć2 ăOuterĆChassis Modules ...

Страница 291: ...Replaceable Parts List Mechanical Parts List 10Ć8 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No ...

Страница 292: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć9 A16 A20 or A30 Figure 10Ć3 ăInnerĆChassis Modules A30 Display Shown ...

Страница 293: ...Replaceable Parts List Mechanical Parts List 10Ć10 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No ...

Страница 294: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć11 Figure 10Ć4 ăCables ...

Страница 295: ...Replaceable Parts List Mechanical Parts List 10Ć12 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No ...

Страница 296: ...Replaceable Parts List TDS 520A 524A 540A 544A Service Manual 10Ć13 Figure 10Ć5 ăFloppy Disk ...

Страница 297: ...Replaceable Parts List Mechanical Parts List 10Ć14 Fig Index No Tektronix Part No Serial No Effective Dscont Qty 12345 Name Description Mfr Code Mfr Part No STANDARD ACCESSORIES OPTIONAL ACCESSORIES ...

Страница 298: ......

Страница 299: ......

Страница 300: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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