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Service Manual

CSA 803C
Communications Signal Analyzer

070-9974-01

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 all safety summaries prior to
performing service.

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Summary of Contents for CSA 803C

Page 1: ...al Analyzer 070 9974 01 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 all safety summaries prior to performing service ...

Page 2: ...atents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc ...

Page 3: ... ...

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Page 5: ...e European Communities EMC Directive 89 336 EEC EN 55011 Class A Radiated and Conducted Emissions EN 50082 1 Immunity IEC 801 2 Electrostatic Discharge Immunity IEC 801 3 RF Electromagnetic Field Immunity IEC 801 4 Electrical Fast Transient Burst Immunity IEC 801 5 Power Line Surge Immunity Low Voltage Directive 73 23 EEC EN 61010 1 Safety requirements for electrical equipment for measurement cont...

Page 6: ... Code N60 declare under sole responsibility that the CSA 803C Communications Signal Analyzer to which this declaration relates is in conformity with the following standards AS NZS 2064 1 2 Industrial Scientific and Medical Equipment 1992 Tektronix Inc claims conformity to the standards for the following products when they are used with the above named product SD 20 SD 22 SD 24 SD 26 SD 30 SD 32 SD...

Page 7: ...ek com For product support outside of North America contact your local Tektronix distributor or sales office Service Support Contact your local Tektronix distributor or sales office Or visit our web site for a listing of worldwide service locations http www tek com For other information In North America 1Ć800ĆTEKĆWIDE 1Ć800Ć835Ć9433 An operator will direct your call To write us Tektronix Inc P O B...

Page 8: ... ii ...

Page 9: ...kup Power 2Ć6 Operating Environment 2Ć6 Packaging for Shipment 2Ć7 Theory of Operation System Functional Overview 3Ć3 Acquisition System Block 3Ć3 Strobe Distribution Block 3Ć3 Time Base Controller Block 3Ć3 Trigger Select Block 3Ć3 Executive Processor Block 3Ć4 Memory Management Unit Block 3Ć4 Waveform Memory Block 3Ć4 Front Panel Controls 3Ć5 I O Block 3Ć5 Waveform Compressor and Display Control...

Page 10: ...21 67 0 17 5 025 1 0 17 1 7 17 5 A7 CRT Socket Board 3Ć12 5 1 1 8 2 03 56 5 1 1 8 8670 176 219 5 1 8670 17 A8 CRT Driver Board 3Ć13 25 217 3 57 3 2 7 1 5 2 7 1 5 725 866 0 855 17 0 7 5 6 A9 A10 and A11 Front Panel Boards 3Ć14 28 1 25 18 6 1 18 7 786 6 28 1 66 0 5217 1 21752 2 5 5217 1 87721 2 5 A12 Rear Panel Assembly 3Ć16 7 1 5 66 86 7 1 5 21752 5 5 17 5 257 A13 Mother Board 3Ć18 A14 Input Output...

Page 11: ... 3 4 5 5 5 5 05 33625 10531 34 10531 3 A18 Memory Board 3Ć24 3 44 5 4 3 44 1 0 13 5 4 0 13 5 6 34 5 5 5 0 3 513 5 5 5 0145 4 13 10 63 5 10 55 3 62 A19 Strobe TDR Buffer Board 3Ć26 531 04 5 531 4 8 6 3 0 7 5 A20 A21 Head Interconnect Power Only Boards 3Ć27 A22 A23 Head Interconnect Boards 3Ć27 A26 M F Acquisition Interconnect Board 3Ć27 A27 A28 Acquisition System Boards 3Ć28 31 3 0 2 34 107 35 34 4...

Page 12: ...cal Reference Voltage 4Ć21 Procedure to Check Vertical Reference Voltage 4Ć21 0 1 Specifications 4Ć23 Setup to Check Horizontal Reference Clock 4Ć23 Procedure to Check Horizontal Reference Clock 4Ć23 1 Setup to Check Vertical Gain 4Ć25 Procedure to Check Vertical Gain 4Ć25 Setup to Check Offset Accuracy 4Ć28 Procedure to Check Offset Accuracy 4Ć28 1 Setup to Examine Vertical RMS Noise 4Ć31 Procedu...

Page 13: ...alibrator 4Ć45 Adjustment Test Equipment 5Ć3 Using These Procedures 5Ć6 Conventions in this Manual 5Ć6 Menu Selections and Measurement Techniques 5Ć6 User Manual 5Ć6 Power Supply 5Ć7 Measurement Limits 5Ć7 Setup to Examine Voltage Supply 5Ć7 Procedure to Examine Voltage Supply 5Ć7 Setup to Examine Adjust Voltage Reference 5Ć9 Procedure to Examine Adjust Voltage Reference 5Ć9 Setup to Examine Adjus...

Page 14: ...Battery Disposal and First Aid 6Ć27 Battery Disposal 6Ć27 Emergency and First Aid Information 6Ć28 FRU Board and Assembly Removal 6Ć29 A1 M F Strobe Drive Board 6Ć31 A3 M F Power Connect Board 6Ć32 A4 Regulator Board 6Ć33 A5 Time Base Controller Board 6Ć35 A7 CRT Socket Board and A8 CRT Driver Board 6Ć37 A9 Touch Panel Assembly 6Ć40 A10 Front Panel Control Board 6Ć42 A11 Front Panel Button Board 6...

Page 15: ... 2 1 2 12 8 51 01 0 5 0 8 Diagnostic Menus 6Ć84 01 2 6 8 Diagnostic Terminal Mode RSĆ232ĆC 6Ć86 System Mode GPIB RSĆ232ĆC 6Ć87 Battery Testing 6Ć89 Clearing NVRAM 6Ć90 Field Replaceable Unit FRU Guide 6Ć90 3 1 0 8 1 2 3 1 0 8 5 21 3 2 0601 0 8 0 6 2 0601 5 0 8 0 00 5 0 8 2 0 1 00 5 0 8 Other Troubleshooting 6Ć101 Power Supply Module 6Ć101 2 2 0 1 8 A4 Regulator Board 6Ć101 CRT A7 CRT Socket Board ...

Page 16: ... x ...

Page 17: ...6 1 6 105 74 1 4 56 1 06 0 756 06 1 6 105 74 2 0 65 1 614 74 18 0 6 19 4 722 1 7 0 175 0 0 4 0 100 614 6 74 10641 6 4 1 4 100 614 1 6 105 74 18 0 2 0 6 18 4 74 18 0 2 0 6 6 1 7 74 18 0 2 0 6 14 4 95 74 12 9 1 6 4 74 18 0 2 0 6 641 4 8 1 4 74 18 0 2 0 6 7 614 1 4 74 18 0 2 0 6 5 10641 4 1 4 74 18 0 2 0 6 1 6 1 4 74 18 0 2 0 6 4 8 4 1 4 74 17 0 55 14 4 95 74 18 0 2 0 6 17 0 55 74 18 0 2 0 6 4106 0 1...

Page 18: ...ocations 6Ć94 Figure 6Ć34 ăA15 MMU Board Test Point and Status LED Locations 6Ć98 Figure 6Ć35 ăA5 Time Base Controller Board Status LEDs 6Ć99 Figure 6Ć36 ăA28 Acquisition MPU Board Status LEDs 6Ć100 Figure 6Ć37 ăA14 I O Board Fuse Locator Diagram 6Ć105 Figure 7Ć1 ăPowerĆCord Plug Identification 7Ć2 Figure 9Ć1 ăCSA 803C System Functional Block Diagram 9Ć1 Figure 9Ć2 ăA1 M F Strobe Drive Board Block...

Page 19: ...10Ć1 ăCabinet 10Ć7 Figure 10Ć2 ăFront Panel 10Ć9 Figure 10Ć3 ăChassis Rear 10Ć11 Figure 10Ć4 ăCircuit Boards 10Ć13 Figure 10Ć5 ăAcquisition Module 10Ć16 Figure 10Ć6 ăPower Supply 10Ć18 Figure 10Ć7 ăAccessories 10Ć20 ...

Page 20: ... xiv ...

Page 21: ...4 15 0 4 4 6 53 04 49 4 2 4 4 3 2 6 0 4 52 2 33 2 2 9 2 52 3 2 4 4 7 4 44 29 6 4 3 15 2 4 2 0 4 84 34 3 22 2 8 3 2 04 3 934 3 6 4 3 2 04 3 2 3 0 4 5 3 8 54 6 2 33 2 2 22 2 8 3 8 54 6 2 33 2 4 453 52 4 8 54 6 2 33 2 5 343 30 9 2 33 2 2 22 2 8 3 30 9 2 33 2 4 453 52 4 3 2 33 2 2 22 2 8 3 15 3 4 2 33 2 2 22 2 8 3 2 53 52 3 3 2 4 22 23 7 2 2 5 4 2 4 4 2 3 ...

Page 22: ... xvi ...

Page 23: ...er cord To avoid electric shock the grounding conductor must be connected to earth ground Before making connections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on the product Consult the product manual for further ratings information before making connections...

Page 24: ...r property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury hazard not immediately accessible as you read the marking CAUTION indicates a hazard to property including the product Symbols on the Product The following symbols may appear on the product Protective Ground Earth Termina...

Page 25: ...ong periods of time after power is turned off Before attempting any servicing discharge the CRT by shorting the anode to chassis ground When discharging the CRT connect the discharge path to ground and then the anode Rough handling may cause the CRT to implode Do not nick or scratch the glass or subject it to undue pressure when removing or installing it When handling the CRT wear safety goggles a...

Page 26: ... xx ...

Page 27: ...5 0 1 0 0 0 0 TableĂ1Ć1 ăMeasurement Limits Specifications Adjustments and Functional Tests Part and Description Measurement Limits Examine Specifications Check Adjustments Adjust Functional Tests 2 5 4 4 3 4 2 0 4 0 4 0 4 0 1 1 0 4 1 4 2 0 1 0 0 0 1 0 0 2 ...

Page 28: ...tom and the right side of the display is cut off none SCREEN on transformer on A8 CRT Driver board RED R200 GREEN R201 and BLUE R203 for cutoff and color balance no Color Impurity no severe color impurities in red green and blue display none cycle power on and off no Real Time Clock 1 000 000 ms 5 ms none Real Time Clock for 1 000 000 ms no Vertical Reference Voltage none 5 V 200 mV and 5 V 200 mV...

Page 29: ...Hz 100 mV stable display none 3 0 GHz Sensitivity 100 mVpĆp at 3 0 GHz 100 mV stable display none Prescaler Triggering 800 mVpĆp at 2 GHz 800 mV stable display none yes ą ą 600 mVpĆp at 3 GHz 600 mV stable display none ą ą 600 mVpĆp at 10 GHz 600 mV stable display none Internal Clock yes Rise Time 2 5 ns 2 5 ns none Frequency 100 kHz 3 100 kHz 3 none Duty Cycle 50 3 50 3 none Calibrator Output yes...

Page 30: ... 1Ć4 ...

Page 31: ... 2Ć1 ...

Page 32: ... 2Ć2 CAUTION PowerĆOnly Sampling Head Compartments Acquisition Sampling Head Compartments Antistatic Connection ...

Page 33: ... 2Ć3 CAUTION ...

Page 34: ...y in a mating receptacle with a grounding contact where earth ground has been verified by a qualified service person Do not defeat the grounding connection WARNING AC POWER SOURCE AND CONNECTION An improper voltage supply can damage the instrument The instrument operates from a singleĆphase power source It has a threeĆwire power cord and twoĆpole threeĆterminal grounding type plug The voltage to g...

Page 35: ...versal Euro 230V Option 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 2Ć2 ăPowerĆCord Plug Identification Power Cord Information ...

Page 36: ... requirements are provided so that you can ensure proper functioning and extend the operation of the instrument Operating Temperature The instrument can be operated where the ambient air temperature is beĆ tween 0_ C and 50_ C and can be stored in ambient temperatures from 40_ C to 75_ C After storage at temperatures outside the operating limits allow the chassis to reach the safe operating temper...

Page 37: ...Operating Information CSA 803C Service Manual 2Ć7 Instrument Options ăStep 1 ă ăStep 2 ă ăStep 3 ă ăStep 4 ă ăStep 5 ă Packaging for Shipment ...

Page 38: ... 2Ć8 ...

Page 39: ... 3Ć1 2 5 345 5 5 5 1 0 1 1 0 0 0 3 3 0 1 1 1 0 1 2 5 3 1 0 5 1 0 3 5 5 0 5 5 5 1 3 1 0 3 0 ...

Page 40: ... 3Ć2 ...

Page 41: ...CSA 803C Service Manual 3Ć3 System Functional Overview 2 1 2 2 1 2 1 1 2 1 2 0 0 2 1 0 1 2 1 1 1 1 Acquisition System Block Strobe Distribution Block Time Base Controller Block Trigger Select Block ...

Page 42: ...C interfaces that help process data and help control the rest of the instrument The memory management unit MMU arbitrates requests for access to the Waveform Memory from the following three sources the EXP the Time Base Controller the display system This arbitration allows all three systems transparent access to the Waveform Memory Waveform Memory is shared among the following processors the EXP t...

Page 43: ...e output to assist in operating the system that is the current modeĆsetting information The CSA 803C uses a custom vertical rasterĆscan display that provides excellent resolution for both waveform display and text The display system produces the display by the following 1 transferring waveform data from the Waveform Memory 2 compressing it into 512 horizontal pixels 3 converting it to a format com...

Page 44: ...0 7 3 8 2498 7 2 0 59 7 8 32 7 78 17 8 8 398498 3 8 7 140 2 7 140 36 88 29 8 8 7 2 07 2 440 2 3 7 8 7 32 8 68 0 7 2 437 8 32 3286307 398498 3 8 140 67 6 440 83 2 03 83 8 0 32 68 67 32 68 8 7 140 308 7 83 8 0 3 7 2 8 2 7836 8 7 3 7 2 8 59 7 8 32 7 78 1 1 136 2 00 8 7 140 7 2 361 2 59 6 8 1 7 3286300 6 8 2 86 27 67 8 7 7 140 7 631 8 59 7 8 32 7 7 8 1 1 136 83 8 361 136 8 639 8 361 8 6 8 1 136 77 463...

Page 45: ...h octal buffers Address Latch This circuit buffers and latches the address for the A5 Time Base Controller board to use Function Decoder This circuit partially decodes this latched address and enables the data buffers if the address is on this board or the A27 A28 Acquisition system boards controlled through this board The function decoder also selects the appropriate direction of the data buffers...

Page 46: ... consists of the following regulators and the voltageĆfault detect circuitry 50 V 15 V 5 V 15 V 50 V See Figure 9Ć3 for a block diagram of this board The operational amplifiers used for the 50 V 15 V 5 V 50 V 15 V and 5 V regulators require that the following special voltages be generated for their operation semiĆregulated 54 V supply generates the 20 V supply semiĆregulated 54 V supply generates ...

Page 47: ... and waveform storage for the CSA 803C s 8 channels and another 32 Kbytes for the Strobe Distribution block of the oscilloscope and multiplexĆ ers There are 512 Kbytes of memory assigned as communication and primary waveform storage Another 32 Kbytes are used to map the commuĆ nication buffer of the parallel interface with the memory management unit and the remaining 32 Kbytes are divided into I O...

Page 48: ...m Descriptions Theory of Operation 3Ć10 0 0 0 0 2 2 2 2 2 0 0 2 2 4 3 0 4 2 2 0 0 0 0 2 2 2 4 3 1 V ns HF Off 3 1 V ns HF On 3 3 3 2 4 Figure 3Ć1 ăTrigger Edge Slew Rate for High Frequency Selection 1 0 2 4 2 2 0 3 ...

Page 49: ...st sample of the waveform the sample is taken immediately after a starting delay Subsequent samples are delayed by a small additional amount called the dot delay The dot delay is programmed and stored into the strobe delay register Each sample is delayed by one delay more than the previous sample The dot delay can vary from 10 fs to 20 ns depending on the horizontal size and the number of points i...

Page 50: ...6 1 6 1 4 105 565 1 6 1 19 0 4 7 65 4 0 0 7 8 1 2 45 0 761 756 065 756 06 74 14 1 4 1 6 5 1 4 Red Green and Blue Video Amplifiers 5 6 4 4 7 65 4 06 52 8 1 2 45 6 6 4 8 6 6 4 6 1 5 0 4 4 0 0 7 4 52 6 8 1 6 1 6 6 4 1 145 0 241 4 61 52 4 06 8 5 5 5 2155 1 145 1 9 6 0 52 10 6 5 4 0 6 0 6 Red Green and Blue Adjustments 5 6 4 216 06 1 6 45 10641 6 761 21 06 6 6 5 6 21 06 6 9 46 0 1 14 1 5 08 5 Convergen...

Page 51: ...provide sweep synchronization horizontal deflection and linearity The horizontal adjustments HĆSIZE HĆPOS and HĆLIN allow you to optiĆ mize the appearance of the display This circuit produces a deflection current that sweeps the video beam from the bottom to the top of the CRT This circuit also produces a flyback signal to the flyback transformer that is in parallel with the deflection yoke The ve...

Page 52: ...t Limit 1 0 3 2 21 2 4 0 5 0 2 2 2 11 2 9 0 0 3 2 0 1 2 13 2 300 2 2 3129 2 300 2 2 0 0 300 2 2 13 2 25 300 21 6 1 2 0 0 300 2 2 2 2 0 4 01 2 2 0 0 1 Grid Bias 1 0 3 2 0 4 1 0 1 2 2 2 0 2 5 09 2 0 1 13 5 2 3 2 2 31 0 3 2 1 0 1 4 2 1 0 4 21 0 2 1 2 0 0 2 2 2 0 2 1 0 2 5 09 0 29 0 3 2 0 1 1 7 1 12 2 5 0 1 3 11 7 0 2 20 0 0 2 322 0 Touch Panel Major Menu Keys and Menu Status LEDs 1 2 0 3 2 1 2 0 2 2 ...

Page 53: ...Block Diagram Descriptions CSA 803C Service Manual 3Ć15 A9 Touch Panel Assembly 1 0 0 0 2 0 0 0 2 0 0 0 0 A10 Front Panel Control Board 0 2 2 A11 Front Panel Button Board 0 0 0 0 0 0 1 2 0 2 0 0 0 0 0 ...

Page 54: ... 22504 42 23 4 8 54 6 2 33 2 2 4 2 4 3 4 22504 7 3 4 2 02 3 3 2 4 3 26 4 42 2 2 2 4 5 4 7 4 4 2 02 33 2 4 42 2 2 15 2 3 4 4 4 34 4 7 4 3 523 4 2 6 2 3 4 4 42 2 3 94 4 94 34 2 2 4 53 4 4 4 2 02 33 2 3 4 2 4 42 3 44 2 3 4 2 34 2 54 94 34 2 3 049 3 2 9 4 2 6 4 2 94 4 4 34 453 4 53 2 4 42 2 3 4 2 02 33 2 3 4 4 4 00 3 4 3 4 42 2 3 4 2 53 3934 3 4 2 53 3934 5 3 4 4 53 7 33 3 2 4 4 5 2 4 4 42 53 7 33 3 4...

Page 55: ...rom the RSĆ232ĆC bus The microprocessor can also read the status of the controller The RSĆ232ĆC controller translates the parallel data from the microprocessor to serial data from RXD on the RSĆ232ĆC bus to parallel data for the microprocessor There are transmit and receive buffers that are compatible with the RSĆ232ĆC bus Clear To Send CTS and Data Set Ready DSR are RSĆ232ĆC control signals that ...

Page 56: ...1 Front Panel boards the A12 Rear Panel assembly and onĆboard I O devices The EXP reads and writes to these I O devices at specific I O addresses These I O addresses are deĆ coded to produce device select signals which enable the addressed device Each I O device is located on I O address boundaries of at least 100 The lower eight bits of the Executive data bus transmit data to and from the various...

Page 57: ...circuit maintain the current time of day The EXP sets the real time clock and also interrupts the Executive processor EXP every one second to request the EXP to read the time Serial Data Interface SDI This is a custom IC that interfaces the EXP to both front panel knobs The EXP controls this IC and this IC interrupts the EXP when a device requires service Tone Generator This circuitry utilizes a D...

Page 58: ... 1 0 MMU IC 0 2 1 1 0 1 1 0 0 1 4 3 1 6 1 0 70 1 0 0 4 3 1 2 7 1 00 0 14 4 3 1 1 02 0601 1 0 1 0 6 0 1 5 21 3 00 0 0 1 7 0 0 0 1 1 1 0 1 2 02 0601 1 0 02 0601 1 Waveform RAM 0 2 1 0 010 61 0 0 4 3 1 00 0 1 1 4 11 6 1 0 1 07 6 5 21 3 02 0601 0 Display Interface 1 0 1 0 1 1 0 6 02 0601 1 1 1 2 1 0 1 1 0 2 4 1 1 1 0 6 1 2 0 A15 Memory Management Unit MMU Board ...

Page 59: ...rcuitry is where the hardware recognizes and displays specific data structures the rasterĆscan CRT displays the contents of the bit map During the refresh of the screen the hardware acquires bit map data along with waveform display data to yield a final color index The compressor circuit receives a waveform composed of several possible number of data points and outputs 512 pairs one minimum and on...

Page 60: ...ted on the A18 Memory board to control the operation of the CSA 803C Along with the numeric coprocessor the EXP does all data processing not directly related to generating the display or digitizing the waveform When power is first applied to the CSA 803C the EXP executes local and system diagnostic tests which are located in the EPROMs on the A18 Memory board The EXP performs the following functio...

Page 61: ...sting access to that device Once the microproĆ cessor has access the addressed device can then respond to the microprocessor Ċ carries control signals sent by the microproĆ cessor These control signals are sent to the devices that the microproĆ cessor addresses so that the devices can respond at the proper moment in the bus cycle This circuit generates synchronized ready and reset control signals ...

Page 62: ...4 12 3 23 3 1 3 1 3 23 3 23 2 18 41 3 1 95 3 33 18 40 41 9 1 1 3 2 1 Address Latches 2 1 4 318 4 12 2 3 1 22 2 1 3 2 2 2 3 1 9 1 5 2 4 3 3 3 42 8 Address Decode and Memory Select 2 1 4 3 2 232 01 1 11 8 5 3 3 9 2 3 1 22 2 3 01 4 5 2 3 2 2 9 41 2 3 2 2 9 2 3 6 9 3 2 3 2 1 3 3 3 430432 1 1 8 3 3 2 2 3 3 430432 1 1 20 2 5 3 2 3 0432 6 3 3 2 2 6 3 2 3 2 1 3 3 7 43 5 1 22 1 1 1 3 2 3 1 22 0432 9 0 40 3...

Page 63: ...7 4 8 5 4 01 3 5 5 45 3 0 3 26 4 5 4 01 3 5 5 3 26 4 3 5 3 5 5 64 5 4 500 4 035 50 08 3 4 03 83 5 4 50 5 13 4 5 03 7 4 8 5 45 5 3 503 4 54 5 4 63 0 5 9 65 7 64 08 50 4 5 50 5 5 64 4 8 5 45 5 3 503 40 0 5 4 3 6 5 50 3 5 0 530 4 4 4 3 50 5 04 0 5 9 65 7 64 4 0 530 4 4 3 3 3 44 5 3 03 83 5 0 530 3 03 3 0 530 4 045 4 463 5 5 5 37 5 5 5 8 5 45 5 3 503 3 5 4 8 0 4 83 55 50 3 44 4 64 4 5 8 5 45 5 045 4 5...

Page 64: ... 3 0 1 1 2 51 2 1 2 120 1 1 1 2 2 3 32 3 0 1 0 3 2 00 21 2 2 7 25 2 1 120 1 1 5 7 30 0 2 1 2 2 62 0 0 2 2 0 1 2 2 120 32 2 120 0 1 2 1 5 2 2 120 1 5 4 2 1 5 0 20 4 2 1 3 3 0 5 0 1 1 13 2 2 1 0 2 0 3 2 1 3 0 120 18 5 4 2 1 0 0 2 2 20 0 4 0 0 20 7 2 0 0 11 0 2 1 20 0 0 1 120 2 1 7 0 32 2 120 1 1 1 1 2 2 1 20 0 0 5 0 2 0 0 11 0 130 1 3121 2 2 2 1 1 0 3 207 1 121 3 0 30 3 820 1 12 01 2 2 4 8 1 2 2 1 0...

Page 65: ... 4 1 1 0 3 1 1 14 1 0 1 0 5 0 10 1 1 2 0 1 1 8 0 1 1 01 120 4 8 1 1 1 2 0 1 6 1 0 1 0 0 2 0 1 1 1 3 0 01 21 0 1 4 1 1 1 1 0 14 1 4 0 2 0 1 2 0 1 1 1 0 2 8 1 1 0 2 0 1 1 1 0 0 0 3 1 1 2 0 1 7 2 6 1 2 0 1 A20 A21 Head Interconnect Power Only Boards A22 A23 Head Interconnect Boards A26 M F Acquisition Interconnect Board ...

Page 66: ...gnal Vert Size The output of the amplifier is applied to the analog to digital A D converter for conversion to digitized data The output of each programmable gain amplifier is applied to an 8Ćbit flash A D converter The converter compares its analog input to two reference voltages 1 V REF and 1 V REF and outputs an 8Ćbit binary number that indicates the value of the analog input signal in relation...

Page 67: ... 1 1 0 3 0 8 1 1 1 0 5 1 1 201 1 0 1 6 3 1 1 1 0 1 1 1 1 0 1 0 9 14 1 0 1 0 1 1 0 0 2 1 0 1 0 1 0 0 1 1 1 4 4 3 1 0 1 7 4 1 02 1 4 0 1 0 0 0 01 2 0 1 1 2 0 1 0601 1 1 0 1 1 1 0 2 0 1 00 0 1 01 2 0 0 6 8 010 01 2 0 0 Shared RAM 0 6 1 2 0 1 1 0 61 0 0 0 6 0 1 1 1 2 0 1 0 14 1 2 0 1 0601 00 1 0 1 00 1 3 1 0 1 2 0 1 4 3 1 2 6 1 2 0 1 0601 0 4 0 1 1 00 0 00 14 1 2 0 1 0601 1 0 1 00 1 2 1 0 0 6 Time Bas...

Page 68: ...The microprocessor calibrates and manages the programĆ mable gain amplifiers and measurement hardware The microprocessor also accepts and executes commands from the Time Base Controller processor and manages the sampling head digital and analog controls including scanning the front panel SELECT buttons on the sampling head and driving the front panel LEDs ...

Page 69: ...s Most Performance Verification and Adjustment procedures can be run in any order However the Sampling Head Calibration must always precede other procedures which use an operational sampling head i e does not apply to procedures using the Calibration Head Also if different sampling heads are used then sampling head calibration is required for each additional samĆ pling head TableĂ4Ć1 ăMeasurement ...

Page 70: ...Ć2 TableĂ4Ć1 ăMeasurement Limits Specifications and Functional Tests Cont Procedure Description Functional Tests Specifications Check Measurement Limits Examine 0 0 0 1 0 3 1 0 1 0 3 1 0 1 0 3 1 0 0 v v 0 1 2 1 2 0 0 2 2 3 1 3 1 3 1 0 0 0 0 0 0 3 3 2 2 ...

Page 71: ...Tektronix SDĆSeries Sampling Head except SDĆ14 Digital Voltmeter w test leads v0 005 Accuracy FLUKE 8842A Digital Voltmeter Frequency Counter One Part in 1 000 000 Accuracy Tektronix DC 5010 Universal Counter Timer with a TM 5000ĆSeries Power Module Calibration Head Tektronix Calibration Head 067Ć1413Ć00 Precision Voltage Source DATA PRECISION 8200 Test Terminal any GPIB IEEEĆ1978 controlĆ ler or ...

Page 72: ...rmination 50 W Impedance 50 W accuracy within 2 SMA connectors Tektronix Part 015 1022 00 Attenuator 10X 20 dB attenuation 50 W one male and one female Tektronix Part 011 0059 02 Attenuator 2X 50 W SMA one male and one feĆ male Tektronix Part 015 1001 00 Power Supplies Troubleshooting Fixture Tektronix 067 1264 00 Extended Diagnostics 11000ĆSeries Power Supplies troubleshooting fixture Probe 10X A...

Page 73: ...ctor RSĆ232ĆC connecĆ tor Tektronix Part 013 0198 00 Shorting Strap Two alligator clips on a short pigtail conductor Integrated Circuit Extracting Tool IC InsertionĆExtracĆ tion Pliers 28Ćpin type General Tool P N U505BG or equivalent Board Removal Tools StraightĆslot screwĆ driver large TorxĆdrive screwĆ driver TĆ7 TĆ8 TĆ10 TĆ15 TĆ20 TĆ25 Allen hex Wrench 1 16Ćinch Nutdrivers 3 16Ćinch 1 4Ćinch 7...

Page 74: ... 4Ć6 ...

Page 75: ... 4Ć7 0 1 0 1 0 0 1 01 0 0 0 0 0 0 1 0 1 0 0 0 0 2 2 2 2 2 2 2 2 2 2 2 2 ...

Page 76: ...Performance Verification Performance Verification 4Ć8 CSA 803C Test Record Cont Maximum Outgoing Incoming Minimum Performance Test ...

Page 77: ...Performance Verification CSA 803C Service Manual 4Ć9 CSA 803C Test Record Cont Maximum Outgoing Incoming Minimum Performance Test ...

Page 78: ... 1 998 V Sweep Rate Accuracy ns Sweep Rate Accuracy Step 10 2 ns div 0 05 18 172 ns __________ __________ 18 192 ns Step 14 1 ns div 0 08 9 083 ns __________ __________ 9 098 ns ps Sweep Rate Accuracy Step 18 100 ps div 0 8 902 ps __________ __________ 916 ps Step 28 10 ps div 2 5 248 1 mV __________ __________ 260 5 mV Step 40 1 ps div 10 23 1 mV __________ __________ 28 3 mV Internal Clock Step ...

Page 79: ... 4Ć11 0 2 0 0 2 2 0 6 2 0 0 4 6 6 0 3 0 0 0 2 1 0 2 4 3 4 3 4 0 4 4 3 0 2 5 4 1 0 0 3 2 1 1 0 2 0 2 4 6 0 0 0 0 4 0 0 1 0 0 1 2 4 5 6 0 2 0 ...

Page 80: ... 4Ć12 ...

Page 81: ... 4Ć13 ...

Page 82: ...harge Never apply a voltage outside the range printed on the front of the sampling head Operate the CSA 803C only in a staticĆcontrolled environment Connect the wrist strap provided with the CSA 803C to the ANTISTATIC CONNECTION as shown in Figure 2Ć1 Refer to the CSA 803C CommunicaĆ tions Signal Analyzer User Manual for more information ăStep 1 ăCheck that the sampling head is not yet installed a...

Page 83: ...microprocessor subsystems Display Executive Time Base and Mainframe Acquisition Following successful execution of their Kernel diagnostics Acquisition microprocessors attempt to communicate with the Time Base microprocessor and the Time Base and Display microprocessors attempt to communicate with the Executive microprocessor Successful completion of Kernel diagnostics is indicated by the start of ...

Page 84: ... 4Ć16 ...

Page 85: ... also initiates a builtĆin CSA 803A program which causes the mainframe to remember which sampling head type was used in the calibraĆ tion In this way preĆcalibrated heads can be interchanged without requiring recalibration 50 W Termination not connected yet not connected yet 12 RF Cable Sampling Head except SDĆ14 PowerĆup and Initialize as follows Set the ON STANDBY switch to ON rocker press UTILI...

Page 86: ...Performance Tests Performance Verification 4Ć18 ăStep 3 ă 2 Proceed Store Constants ăStep 4 ă Offset Automatic Calibrate ăStep 5 ă W Proceed Store Constants Exit ăStep 6 ă ...

Page 87: ...her data stored in NVRAM by turning the power off that is setting the ON STANDBY switch to STANDBY or the PRINCIPAL POWER SWITCH to OFF during the execution of the Extended Diagnostic tests that deal with the Executive processor s NVRAM tests However this does not seriously affect oscilloscope operation Page to Enhanced Accuracy Page to Utility2 Extended Diagnostic Extended Diagnostic 2 All Run Ex...

Page 88: ...Performance Tests Performance Verification 4Ć20 ăStep 2 ă Executive Block External I O Area GPIB Routine ăStep 3 ă Run Intrpt Reset Reset Status Run Data Lines Run Interrupt Run ăStep 4 ă Exit ...

Page 89: ... CSA 803C To GND A26 M F Acquisition Interconnect Board see Figure 4Ć1 Digital Voltmeter To 5 V Hi Low Procedure to Check Vertical Reference Voltage ăStep 1 ăInitialize the CSA 803C settings as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 2 ăConnect the Digital Voltmeter to the 5 V reference point and GND on the A26 Mainframe M F Ac...

Page 90: ...Performance Tests Performance Verification 4Ć22 ăStep 5 ă m Test Points Figure 4Ć1 ăA26 M F Acquisition Interconnect Board Test Point Locations ...

Page 91: ...ck Horizontal Reference Clock CSA 803C 10X Probe To Pin 9 of U191 A5 Time Base Controller Board See Figure 4Ć2 To Pin 1 of U191 Frequency Counter Procedure to Check Horizontal Reference Clock ăStep 1 ăInitialize the CSA 803C settings as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 2 ăPerform the following operations on the CSA 803C ...

Page 92: ...P772 TP770 C1171 C1170 C1071 C1070 TP1070 R980 TP1071 U981 TP870 U961 U860 U761 U661 U660 U561 U560 U851 U850 U751 U750 U651 U711 U810 U910 U920 U3061 U1010 U1110 U3060 U1021 U941 U1041 U1040 U1140 C3211 C3700 R1313 R1312 R1356 R1359 CR4001 R4002 R4001 CR4005 C1050 C1051 C1150 R3801 C1213 R3516 R3506 R3112 R1473 R3223 C1611 TP1471 TP1370 U1480 C1280 C1290 C1192 C1371 SH600 J23 U1080 R390 TP590 U58...

Page 93: ...osition shown in the setup diagram CHĂ1 CHĂ2 slot If the unit is in Standby mode set the power switch to ON Set the Precision Voltage Source to 0 V and connect it to Channel 2 of the Calibration Head NOTE Time Base ăStep 2 ăInitialize the mainframe as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 3 ăTrigger the CSA 803C as follows TR...

Page 94: ...ch to in popĆup menu touch Set the Voltage source to 8 mV Select in major menu touch Select in popĆup menu touch Wait for averaging to complete Then check that the DMean value is to be within 7 8 mV lower spec and 8 2 mV upper spec NOTE Averaging will complete faster if you exit the measurement menu and then return when averaging is complete Alternatively use the dial to move the Main Size setting...

Page 95: ...Ă4Ć3 ăVoltage Source Settings Sens Source V Lower Spec Upper Spec 0 0 0 0 0 0 0 0 0 0 0 0 3 3 NOTE Up to now you have been working with trace 1 Channel 2 and internal mainframe acquisition measurement channel 1 Use the following steps to verify the vertical accuracy through internal acquisition measurement channel 2 using trace 2 Don t remove Voltage Source from Calibration Head Channel 2 ăStep 12...

Page 96: ... 4Ć28 0 2 0 2 0 0 0 Prec Voltage Source W 2 4 0 2 4 2 0 4 1 3 0 4 ...

Page 97: ...nu touch Save Current Meas Values as References in popĆup menu touch Compare off changes to on in popĆup menu touch Select Exit touch ăStep 7 ăSet the Vertical Size and Offset as follows Vertical size icon touch the Vert Size M2 to 10 mV div adjust upper knob Vert Offset M2 in major menu touch Key in 400 mV 400m on the popĆup display touch Select Enter touch Check that 400 mV has now entered into ...

Page 98: ...Performance Tests Performance Verification 4Ć30 TableĂ4Ć4 ăVertical Offset Test Values Sens Source V Vert Offset Lower Spec Upper Spec ...

Page 99: ...ition shown in the setup diagram If the unit was in standby mode set the ON STANDBY switch to ON NOTE Time Base ăStep 2 ăInitialize the mainframe as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 3 ăTrigger the CSA 803C as follows TRIGGER button press Source in major menu touch Internal Clock in popĆup menu touch ăStep 4 ăIdentify the...

Page 100: ...ăStep 8 ă Measurements Mean 2 Exit Menu 2 NOTE Record write down the mean value for use in the next step ăStep 9 ă Def Tra Stored Traces 2 Stored 1 2 2 0 NOTE For example if mean value is 50 2 mV you would key in 50 2 EEX 6 STO1 already appears on upper left of display Exponents are entered by pressing the EEX key followed by the sign of the exponent if negative followed by the exponent value ...

Page 101: ...e in major menu touch All Traces in popĆup menu touch Delete Selected Traces in popĆup menu touch ăStep 12 ăRepeat Steps 4 through 11 at the sensitivities listed in Table 4Ć5 and check the resulting RMS against the matching specificaĆ tion value in the table TableĂ4Ć5 ăSensitivity Settings Sensitivity Upper Limit 5 mV div 10 mV div 20 mV div 50 mV div 100 mV div 200 mV div 500 mV 1 mV 632 mV 1 58 ...

Page 102: ...setup diagram CH 1 CH 2 slot If the unit was in standby mode set the ON STANDBY switch to ON Initialize the mainframe as follows UTILITY button press in major menu touch in verification popĆup menu touch Set the horizontal record length as follows in major menu touch in popĆup menu touch Set to 1024 points adjust upper knob Identify the trace as follows icon touch Identify Channel touch Select tou...

Page 103: ...S NOTE Check that selected Sampling Head channel 1 indicator is flashĆ ing If not select channel 1 by pressing select button ăStep 8 ăTurn mainframe averaging on WAVEFORM button press Acquire Desc in major menu touch Average N On in popĆup menu touch Select Exit in the popĆup menu touch NOTE Position the display so the sine wave is centered on the screen To ensure accurate period measurement the d...

Page 104: ...just the to 100 ps div 0 0 the Signal Generator to the following settings Frequency 1 1 GHz Amplitude 2 0 VpĆp 1 4 VRMS Set for 1 000 0 004 VpĆp on screen 0 0Press the UTILITY button and the lower knob for a display showing a full waveform 0 0Press the MEASURE button and for a period interval between 902 ps and 916 ps showing that the sweep rate accuracy is within 0 8 0 0 the Signal Generator to t...

Page 105: ...iv adjust upper knob ăStep 27 ăActivate the cursors as follows Cursors icon touch ăStep 28 ăRead the Dv located in the major menu Dv should be within 260 5 mV and 248 1 mV or 248 1 mV and 260 5 mV showing that the sweep rate accuracy is within 2 5 ăStep 29 ăTouch Exit in the major menu Sweep Rate Accuracy 1 ps div ăStep 30 ă the Signal Generator to the following settings Frequency 800 MHz Amplitud...

Page 106: ... adjust upper knob Set the Main Size as follows Horizontal icon touch Set to 1 ps div adjust upper knob Turn the mainframe Average on WAVEFORM button press in major menu touch in popĆup menu touch Select in popĆup menu touch Activate the cursors as follows icon touch Read the D located in the major menu D should be within 28 3 mV and 23 1 mV or within 23 1 mV and 28 3 mV showing that the sweep rat...

Page 107: ...xial Cables High Frequency Sine Wave Generator 2X Attenuators SDĆ24 Sampling Head Procedure to Check Triggering ăStep 1 ăInstall the SDĆ24 Sampling Head into the position shown in the setup diagram CH 1 CH 2 slot If the unit was in standby mode set the ON STANDBY switch to ON ăStep 2 ăInitialize the mainframe as follows UTILITY button press Initialize in major menu touch Initialize in verification...

Page 108: ...Performance Tests Performance Verification 4Ć40 ăStep 5 ă 0 0 Measurement PeakĆPeak 2 Sampling Head Fnc s Smoothing On 2 Exit 2 ăStep 6 ă 0 2 1 2 1 ...

Page 109: ...0X PickĆoff PRESCALER TRIGGER Input CH 1 Power Reference X1 Sensor Input Input 10 GHz Power Meter Sensor SDĆ22 SDĆ24 or SDĆ26 B10 Procedure to Check Prescaler Triggering ăStep 1 ăInstall the SDĆ24 Sampling Head into the CH 1 CH 2 slot of the mainframe Set the ON STANDBY switch to ON and let the instrument warm up for approximately 15 minutes Initialize the mainframe settings then perform the follo...

Page 110: ... mainframe settings DefTra touch Select Channel 1 M1 touch TRIGGER button press Source touch External Prescaler touch Exit touch Horizontal icon touch Adjust Main Size to 200 ps div adjust upper knob Vertical icon touch Adjust Main Size to 10 mV div adjust upper knob ăStep 6 ăTurn AVG ON display for stable triggering Then turn the AVG OFF ăStep 7 ăRepeat steps 3 4 5 and 6 for the following setting...

Page 111: ...ck CSA 803C I Procedure to Examine Internal Clock ăStep 1 ăInstall the SDĆ24 Sampling Head into the position shown in the setup diagram CH 1 CH 2 slot If the unit was in standby mode set the ON STANDBY switch to ON ăStep 2 ăInitialize the mainframe as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 3 ăTrigger the CSA 803C as follows TR...

Page 112: ... the major menu touch Rise in the popĆup menu touch that Rise is v2 5 ns Exit Menu in popĆup menu touch ăStep 8 ăChange the sweep rate as follows Horizontal icon touch Adjust Main Size to 5 ms div adjust upper knob ăStep 9 ăCheck the frequency as follows MEASURE button press Measurements in major menu touch Frequency in popĆup menu touch Duty Cycle in popĆup menu touch that the frequency is betwee...

Page 113: ...ition shown in the setup diagram CH 1 CH 2 slot If the unit was in standby mode set the ON STANDBY switch to ON ăStep 2 ăInitialize the mainframe as follows UTILITY button press Initialize in major menu touch Initialize in verification popĆup menu touch ăStep 3 ăTrigger the CSA 803C as follows TRIGGER Button press Source in popĆup menu Touch Internal Clock Touch ăStep 4 ăOn the Sampling Head press...

Page 114: ...llows MEASURE button press Measurements in the major menu touch PeakĆPeak in the popĆup menu touch Rise in the popĆup menu touch Rise in the major menu touch Proximal in the popĆup menu touch Adjust Proximal for 20 and Distal for 80 that peakĆtoĆpeak amplitude is within 212 5 mV and 287 5 mV 250 mV 15 Check that rise time is approximately 250Ăps ...

Page 115: ...iven at the beginning of each procedure FunctionĆ al tests are included in the section Refer to the for more informaĆ tion about specifications and CSA 803C operation The Setup in each proceĆ dure provides information concerning test equipment setup or interconnection Refer to Table 5Ć2 for more information concerning test equipment used in the setups Most Adjustment and Performance Verification p...

Page 116: ...17 12 1 3 2 0 1 3 3 6 3 1 1 03 4 5 1 1 1 4 42 42 1 0 33 1 31 2 1 1 1 5 1 1 1 03 4 42 6 3 1 0 33 1 13 8 2 3 6 3 3 1 2 1 03 4 3 1 8 3 8 1 37 2 3 6 3 3 1 2 1 03 4 00 1 1 03 4 3 1 37 1 7 6 3 3 3 3 0 3 20 7 1 7 3 3 33 3 1 3 2 3 20 7 2 43 31 2 1 1 1 5 1 1 1 43 1 1 041 37 2 5 1 1 041 3 2 1 1 4 20 7 7 0 6 1 m2 9 m2 1 m2 ...

Page 117: ...M 5000ĆSeries Power Module Test Terminal any GPIB IEEEĆ1978 controlĆ ler or ASCII termiĆ nal equipped with an RSĆ232ĆC port Requires compatĆ ible RSĆ232ĆC serial interface cable IBM compatible PC with terminal emulation software Coaxial Cable 50 W 3 required 50 W 36Ćinch male BNC connectors Tektronix Part 012 0482 00 Coaxial Cable RF RF cable 12 in SMA connectors Tektronix Part 174 1364 00 RF cabl...

Page 118: ... Meter HP 436A Power Sensor HP 8485A Alignment Tool Plastic hex Tektronix Part 003 0301 00 Insulated slot Tektronix Part 003 0675 01 Square Tip ceramic Tektronix Part 003 1400 00 Magnetic ScrewĆ driver Holder for Torx head tips Tektronix Part 003 0293 00 Torx Head ScrewĆ driver 10 tip Tektronix Part 003 0814 00 15 tip Tektronix Part 003 0966 00 20 tip Tektronix Part 003 0866 00 External Loopback C...

Page 119: ...est Equipment Minimum Specification Board Removal Tools StraightĆslot screwĆ driver large TorxĆdrive screwĆ driver TĆ7 TĆ8 TĆ10 TĆ15 TĆ20 TĆ25 Allen hex Wrench 1 16Ćinch Nutdrivers 3 16Ćinch 1 4Ćinch 7 16Ćinch NeedleĆnose pliers Small Ruler half inch rulings Antistatic wrist strap Tektronix Part 006 3415 04 ...

Page 120: ... 5Ć6 0 2 0 0 2 2 0 6 2 0 0 4 6 6 0 3 0 6 0 0 2 1 0 2 4 3 4 3 4 0 4 4 3 0 2 5 4 1 0 0 3 2 1 1 0 2 0 2 4 6 0 0 0 0 4 0 0 1 0 0 1 2 4 5 6 0 2 0 ...

Page 121: ...its must be within 4 85 V and 5 25 V Voltage Reference must be within 5 15 V and 5 25 V Regulator Reference must be within 9 95 V and 10 05 V Setup to Examine Voltage Supply CSA 803C TP200 VCC and TP300 GND on A18 Memory Board see Figure 5Ć1 To Ground To 5 V Digital Voltmeter Hi Low Procedure to Examine Voltage Supply ăStep 1 ăSet the CSA 803C ON STANDBY switch to ON and initialize as follows UTIL...

Page 122: ...Adjustments Adjustment Procedures 5Ć8 ăStep 4 ă P106 To A13 Mother Board Connector TP200 VCC TP300 GND Lithium Battery BT150 Front of Oscilloscope Figure 5Ć1 ăA18 Memory Board Test Point Locations ...

Page 123: ...e Power Supply module following the procedure listed under Power Supply Module Removal Replacement in the MainteĆ nance Section c Create a short between test points TP830 and TP831 on the A2A2 Control Rectifier board using a shorting strap See Figure 5Ć2 d Connect the CSA 803C Power Supply module to a suitable line powĆ er source e Set the rear panel PRINCIPAL POWER SWITCH to ON ăStep 2 ăWith the ...

Page 124: ...l PRINCIPAL POWER SWITCH to OFF Disconnect the CSA 803C from the power source Remove all test leads and the TP830 831 shorting strap Replace the Power Supply module using the instructions in the Maintenance Section Set the rear panel PRINCIPAL POWER SWITCH to ON and the front panel ON STANDBY switch to ON TP221 R800 5 2 V REF TP701 TP831 TP830 ...

Page 125: ...igital Voltmeter in DC Voltage mode check the VoltĆ meter for a reading within the limits of 9 95 V and 10 05 V DO NOT attempt to make the following adjustment to R730 if the reading is within the stated limits Instead proceed to Step 4 WARNING To prevent electric shock use extreme caution when making the following adjustment Access the test points from the right side of the oscilloscope ăStep 3 ă...

Page 126: ...Adjustments Adjustment Procedures 5Ć12 Ref Test Point Com Test Point R730 10 V Ref Figure 5Ć3 ăA4 Regulator Board Test Point and Adjustment Locations ...

Page 127: ... 5Ć13 0 3 3 1 1 1 1 3 1 1 3 1 0 1 2 2 2 2 2 2 1 0 2 1 3 1 1 1 0 ...

Page 128: ...revent electric shock use extreme caution when performing the following adjustment ăStep 1 ă ăStep 2 ă ăStep 3 ă ăStep 4 ă ăStep 5 ă ăStep 6 ăExamine 0 ăStep 7 ăAdjust 0 ăStep 8 ă ăStep 9 ă Extended Diagnostic Extended Diagnostic Verify Diagnostics 1 ăStep 10 ă Block Front Panel ăStep 11 ă Area Test Pattern ăStep 12 ă Routine White Grid ...

Page 129: ... 2 8 9 2 7 0 6 00 0 0 2 7 2 2 2 2 2 2 0 5 2 2 2 4 02 2 0 2 22 2 0 5 2 2 22 2 0 ăStep 19 ă 2 0 4 0 0 2 2 0 5 2 2 2 0 1 2 1 4 02 2 0 2 8 ăStep 20 ă 2 2 2 0 1 5 2 2 0 8 2 2 0 1 2 2 2 22 2 0 2 8 2 2 2 0 6 1 0 3 0 2 2 0 3 32 2 0 22 0 ăStep 21 ă 2 0 4 0 0 0 2 12 4 0 0 27 1 2 1 2 0 8 2 2 0 1 2 2 2 22 2 0 2 8 2 2 0 ăStep 22 ă 9 9 9 2 2 2 01 2 0 2 1 7 3 7 2 0 2 2 1 3 2 2 7 0 00 2 7 312 ăStep 23 ă 3 Exit 2 ...

Page 130: ... 4 0 2 ăStep 30 ă 0 2 4 4 4 0 3 4 0 5 NOTE ăStep 31 ă 0 Exit 0 Extended Diagnostic 0 0 5 0 ăStep 32 ă 0 Red Display 0 Run ăStep 33 ă 4 4 1 0 ăStep 34 ă 0 Exit 0 Extended Diagnostics 0 0 0 ăStep 35 ă 0 Green Disply 0 Run ăStep 36 ă 4 4 1 0 ăStep 37 ă 0 Exit 0 Extended Diagnostic 0 0 5 0 ăStep 38 ă 0 Blue Display 0 Run ăStep 39 ă 0 4 4 1 0 ...

Page 131: ...ep 40 ă 0 0 Red Display Green Disply Blue Display 0 1 Examine 0 0 NOTE When the CSA 803C is moved in the earth s magnetic field color impurities will appear on the display This is normal To remove the impurity repeat Step 40 ăStep 41 ă ăStep 42 ă ...

Page 132: ...Adjustments Adjustment Procedures 5Ć18 SCREEN FOCUS VERTICAL POS R311 HĆPOS R500 HĆSIZE R501 HĆLIN R502 VERT SIZE L321 Figure 5Ć4 ăA8 CRT Driver Board Adjustment Locations ...

Page 133: ...Adjustments CSA 803C Service Manual 5Ć19 GREEN R201 RED R200 BLUE R203 CONVERGENCE R210 Figure 5Ć5 ăA7 CRT Socket Board Adjustment Locations ...

Page 134: ...nstrument specifications Measurement Limits The measurement limit for the real time clock is 1 000 000 ms 5 ms Setup to Examine Adjust Real Time Clock CSA 803C CH 1 10X Probe A14 I O Board see Figure 5Ć6 To TP310 To Ground Test Point Frequency Counter Procedure to Examine Adjust Real Time Clock ăStep 1 ăInitialize the CSA 803C settings as follows UTILITY button press Initialize in major menu touch...

Page 135: ...14 I O board Set the CSA 803C front panel ON STANDBY switch to ON Connect the Frequency Counter as indicated in the setup diagram see also Figure 5Ć6 and set the controls as follows Frequency counter Mode Period Trigger DC Slope negative Time Base 1 MHz Make the following CSA 803C selections UTILITY button press in major menu touch in major menu touch in major menu touch in popĆup menu touch in ma...

Page 136: ...Remove the frequency counter from the power module Set the CSA 803C ON STANDBY switch to STANDBY Replace the circuit boards rearranged in Step 2 in their origiĆ nal positions Ground C510 Real Time Clock TP31 ...

Page 137: ... 6Ć1 WARNING ...

Page 138: ... 6Ć2 CAUTION ...

Page 139: ... must be dry before applying power to prevent damage from electrical arcing The highĆvoltage circuits should receive special attention ExcesĆ sive dirt in these circuits may cause highĆvoltage arcing and result in improper instrument operation ...

Page 140: ... 6Ć4 ...

Page 141: ... 6Ć5 WARNING ...

Page 142: ... 6Ć6 CAUTION 1 0 0 0 1 0 1 0 W ...

Page 143: ...cĆsensitive assemblies or components should be performed only at a staticĆfree work station by qualified service personnel We recommend using the static control mat Refer to Table 4Ć2 for the part numbers of these test equipment Keep the work station surface free of anything that can generate or hold a static charge Keep the component leads shorted together whenever possible by storing them in con...

Page 144: ...rence During Removal Page 4 2 6 2 2 7 3 1 4 2 6 1 20 1 1 7 2 7 1 1 1 0 1 0 7 1 2 7 3 1 4 2 6 1 20 1 1 7 1 6 2 2 7 3 1 1 6 2 7 2 7 3 1 3 7 2 7 3 1 1 211 7 2 7 2 1 7 1 1 1 2 1 5 7 2 0 1 1 2 7 3 1 1 2 7 2 7 3 1 2 0 1 1 1 7 2 7 2 1 7 1 1 1 2 1 5 7 11 0 2 7 3 1 0 1 7 2 7 3 1 7 2 7 3 1 6 7 1 3 2 7 3 1 1 3 7 2 7 2 1 7 1 1 1 2 1 5 7 4 1 2 7 3 1 4 2 6 1 20 1 1 7 2 7 1 1 1 0 1 0 7 2 7 3 1 2 1 7 2 7 3 1 0 1 ...

Page 145: ...0 2 6 1 6 1 0 6 0 0 0 1 0 4 6 2 1 6 2 0 0 5 1 6 1 6 2 0 2 6 1 6 2 0 0 100 6 1 6 1 0 6 0 0 0 1 0 4 6 1 5 1 6 2 0 0 5 1 6 1 6 2 0 0 100 6 1 6 1 0 6 0 0 0 1 0 4 6 0 0 1 6 2 0 0 5 1 6 1 6 2 0 0 100 6 1 6 1 0 6 0 0 0 1 0 4 6 0 100 1 6 2 0 0 5 1 6 1 6 2 0 0 100 6 1 6 2 0 0 100 6 1 6 1 0 6 0 0 0 1 0 4 6 5 1 6 2 0 0 5 1 6 1 6 2 0 5 6 1 6 1 0 6 0 0 0 1 0 4 6 ...

Page 146: ...d Cage 6Ć30 Figure 6Ć21 Removing Replacing the A17 Main Processor Board 6Ć54 Figure 6Ć32 MultiĆPin Connector Orientation and Semiconductor Indexing Diagram 6Ć74 A18 Memory Board Figure 6Ć7 Top View of the Card Cage 6Ć30 Figure 6Ć22 Removing Replacing the A18 Memory Board 6Ć56 A19 Strobe TDR Buffer Board Figure 6Ć23 Removing Replacing the A19 Strobe TDR Buffer Board 6Ć58 Figure 6Ć26 Removing Replac...

Page 147: ...nector Orientation and Semiconductor Indexing Diagram 6Ć74 A28 Acquisition MPU Board Figure 6Ć23 Removing Replacing the A19 Strobe TDR Buffer Board 6Ć58 Figure 6Ć26 Removing Replacing the A26 M F Acquisition Interconnect Board 6Ć62 Figure 6Ć29 Removing Replacing the A28 Acquisition MPU Board 6Ć65 Figure 6Ć32 MultiĆPin Connector Orientation and Semiconductor Indexing Diagram 6Ć74 Firmware ICs Figur...

Page 148: ... electricĆshock hazard and instrument damage always disconnect the CSA 803C from its power source before removing or replacing FRUs For sampling head removal or replacement switch the front panel ON STANDBY switch to STANDBY ...

Page 149: ...2 22 4 0 ăStep 5 ă 2 2 3 2 0 0 ăStep 6 ă 2 2 3 0 2 3 2 0 0 ăStep 7 ă 1 2 2 3 0 0 21 25 32 0 0 2 1 1 2 21 25 0 2 1 1 5 2 32 0 2 3 0 ăStep 8 ă 2 22 4 0 30 2 1203 2 2 3 0 2 1 2 ăStep 9 ă 2 2 5 0 15 2 2 2 5 0 5 5 0 0 0 11 2 1 22 2 5 0 15 2 CAUTION ăStep 10 ă 230 2 5 0 5 2 5 0 15 2 1 1 31 2 0 0 0 230 2 0 0 2 2 5 0 5 2 5 2 0 12 1 0 4 01 0 0 Electrical LockĆOn of the Front Panel ON STANDBY Power Switch ...

Page 150: ... Panel Button A9 Touch Panel A10 Front Panel Control A14 Input Ouput I O Fan Motor Housing A1 M F Strobe Drive A3 M F Power Connect A4 Regulator Acquisition Unit CRT Delay Line A2 Power Supply Module Acquisition Unit Holding Rod A13 Mother A5 Time Base Controller A7 CRT Socket A12 Rear Panel ...

Page 151: ...5 A28 Acquisition MPU Board A26 M F Acquisition Interconnect Board A19 StrobelTDR Buffer Board A21 Acquisition Analog Board A20 A21 Head Interconnect Boards Power Only A22 A23 Head Interconnect Boards Figure 6Ć1 ąField Replaceable Unit FRU Locator Cont ...

Page 152: ...emoved to gain better access to the A3 M F Power Connect board or the A4 Regulator board See Figure 6Ć2 and Figure 6Ć3 for connector and screw locations Power Supply RearĆplate Screws 4 Line Fuse F99 Power Supply RearĆplate Screws 4 FanĆhousing Screws 4 Rear Panel ConnectorĆplate Screws 4 Rear Panel ConnectorĆplate Screws 4 ...

Page 153: ...orrective Maintenance CSA 803C Service Manual 6Ć17 J81 J65 J70 J66 J63 J64 J62 Power Supply Module Rear Figure 6Ć3 ăA2A2 Control Rectifier Board Connector Locations ăStep 1 ă ăStep 2 ă ăStep 3 ă CAUTION ...

Page 154: ...metal guides on the top of the Power Supply module with the grooves inside the upper part of the opening in the instrument Be careful not to pinch any wires or interconnecting cables while installing the Power Supply module ...

Page 155: ...tor connections Note that the red wire is and the brown wire is ăStep 4 ăRemove the fan motor NOTE Observe the position in which the motor was mounted Ensure that the motor is remounted in its original positioning or the fan wires may not reach To replace the fan motor perform the previous steps in reverse order and note the following additional points while replacing the motor use the mark from S...

Page 156: ...cations Remove the CRT as follows ăStep 1 ăRemove the three Torx head screws that secure the CRT cover and then the CRT cover ăStep 2 ăSet the instrument in the inverted position ăStep 3 ăUse a 1 16Ćinch Allen wrench to loosen the two small screws that secure the two control knobs Carefully remove the control knobs so that you do not lose the small Allen screws inside the knobs CAUTION When replac...

Page 157: ...A7 CRT Socket board to the CRT align the pins of the CRT to the receptacles on the A7 CRT Socket board Then slowly push the pins into the receptacles Do not force the connector into place doing so can bend or break some of the pins If the pins do not slide easily into the receptacles then pull the A7 CRT Socket board away from the CRT and realign the A7 CRT Socket board to the CRT WARNING The CRT ...

Page 158: ... 6Ć22 CAUTION NOTE ...

Page 159: ...Corrective Maintenance CSA 803C Service Manual 6Ć23 CRT Cover CRT Cover Torx Head Screws 3 Figure 6Ć4 ăRemoving Replacing the CRT Cover ...

Page 160: ...Board Cover A7 CRT Socket Board Cover Torx Head Screws 2 Transformer Torx Head Screw Removed Transformer Cover A8 CRT Driver Board CRT Anode Lead Cap A9 Touch Panel Assembly A10 Front Panel Control Board Figure 6Ć5 ăRemoving Replacing the Cathode Ray Tube ...

Page 161: ... Maintenance CSA 803C Service Manual 6Ć25 Torx Head Screws 4 Torx Head Screws 4 QuickĆDisconnect Ground Connector Top CRT Support Bar Bottom CRT Support Bar Figure 6Ć6 ăRemoving Replacing the CRT Torx Head Screws ...

Page 162: ...me section and remove the frame section ăStep 4 ăRemove connectors J10 on the A26 M F Acquisition InterconĆ nect board and J34 on the A19 Strobe TDR Buffer board Note the position of the connectors index triangles to ensure that the multiĆpin connectors can be correctly replaced ăStep 5 ăRemove connectors J29A J30A J32 J33A and J33B on the A19 Strobe TDR Buffer board ăStep 6 ăGrab between the two ...

Page 163: ...ery above 100_ C 212_ F incinerate or expose the contents to water 1 3 NOTE Typically small quantities less than 20 can be safely disposed of with ordinary garbage in a sanitary landfill Larger quantities must be sent by surface transport to a hazardous waste disposal facility The batteries should be individually packĆ aged to prevent shorting Then pack them into a sturdy container that is clearly...

Page 164: ...8 Emergency and First Aid Information Manufacturer Battery Type 0 Solvent Solute 0 TableĂ6Ć3 ăEmergency Procedures for Contact with Battery Solvent Contact Do This Skin Eyes Inhalation Ingestion 0 In case of venting clear the immediate area ...

Page 165: ...d circuits and or related circuitry after removing a board from the instrument place it on a grounded antistatic surface Some components that are mounted on a board must be retained for use with the new assembly These components would include interconnecting plugs support posts and some wiring ...

Page 166: ... 6Ć30 J78 A18 Memory A14 Input Output I O A17 Executive Processor EXP A15 Memory Management Unit MMU Plastic Board Guides J77 J77 J72 J90 J83 J52 J57 J53 Rear Panel Rear of Oscilloscope ...

Page 167: ...31 A1 M F Strobe Drive Board 0 0 ăStep 1 ă ăStep 2 ă 0 0 NOTE ăStep 3 ă J16 J15 J10 J34 J19 J18 J28 J17 Torx Head Screws 2 Torx Head Screws 2 Torx Head Screw 1 J36 J37 J33A J33B J38 J39 J27 Figure 6Ć8 ăRemoving Replacing the A1 M F Strobe Drive Board ...

Page 168: ... removed from the Power Supply module for this operation only Record the positions of all connectors to ensure that the connecĆ tors can be correctly replaced ăStep 2 ă ăStep 3 ă ăStep 4 ă ăStep 5 ă WARNING To prevent electric shock or damage to the instrument check that the chassis ground wire is replaced on the Power Supply module ...

Page 169: ...s index triangles to ensure that the connectors can be correctly replaced ăStep 4 ăRemove the two Torx head screws from the metal heat sink attached to the rear of this board NOTE The A4 Regulator board is not attached to the chassis However it remains connected to the A3 M F Power Connect board through interconnecting pins ăStep 5 ăCarefully remove the J95 and J96 pins from the A4 Regulator board...

Page 170: ...Corrective Maintenance Maintenance 6Ć34 Torx Head Screws 2 J96 J60 J95 J57 Figure 6Ć9 ăRemoving Replacing the A4 Regulator Board ...

Page 171: ...ler Board Perform this process in reverse to replace the Calibrator Board ăStep 3 ăRemove connectors J16 J29A J30A J32 J35 J91 Ext A and Presc if Prescaler is present from the A5 Time Base Controller board Use extreme care to prevent damage to the cable center connector that was attached to Presc Then remove connectors J18 and J83 from the A5 Time Base Controller board Note the position of the mul...

Page 172: ...11 RAM Socket Battery U500 RAM Socket Torx Head Screw 2 J35 J83 J18 J29A J30A J32 J16 J91 Torx Head Screw 2 Torx Head Screw 2 J860 J1 J17 A6 Calibrator Torx head screw Figure 6Ć10 ăRemoving Replacing the A5 Time Base Controller and A6 Calibrator Boards ...

Page 173: ...e is 16 kV To avoid electric shock ground the anode lead from the CRT to the chassis to short any stored charge remaining in the CRT Wait approximately ten minutes then ground the anode lead to the chassis again refer to Step 6 3 2 3 3 1 0 0 3 1 0 1 0 0 2 3 1 0 2 0 0 1 0 1 1 0 0 2 0 0 ...

Page 174: ...can correctly replace these connectors Lift the A8 CRT Driver board partially out of the instrument chassis Remove connectors J54 and J55 from the A8 CRT Driver board Note the position of the multiĆpin connectors index triangles to ensure that you can correctly replace these connectors Remove the A8 CRT Driver board and the A7 CRT Socket board Unsolder the two wires that connect the A8 CRT Driver ...

Page 175: ...Corrective Maintenance CSA 803C Service Manual 6Ć39 Torx Head Screw J52 J57 J56 J54 J55 Figure 6Ć12 ăRemoving Replacing the A8 CRT Driver Board ...

Page 176: ...y outward NOTE The top of the A9 Front Panel Assembly is held by two tabs These tabs fit into two slots in the frontĆpanel chassis ăStep 6 ăRemove the black ground wire from the quickĆdisconnect ground connector on the front panel casting ăStep 7 ăRemove connector J73 from the A10 Front Panel Control board Note the position of multiĆpin connector s index triangle to ensure that you can correctly r...

Page 177: ...ervice Manual 6Ć41 Torx Head Screws 2 A9 Touch Panel Assembly Front of Instrument as Viewed from the Bottom Figure 6Ć13 ăA9 Touch Panel Assembly Torx Head Screws J73 Connector Figure 6Ć14 ăRemoving Replacing the A9 Touch Panel Assembly ...

Page 178: ...tep 4 Remove connectors J72 J73 J74 and J75 from the A10 Front Panel Button board Note the position of the multiĆpin connectors index triangles to ensure that the connectors can be correctly replaced Remove the two Torx head screws at the upper edge of the board Lift the board away from the guides at its bottom and remove it To replace the A10 Front Panel Control board perform the previous steps i...

Page 179: ...Corrective Maintenance CSA 803C Service Manual 6Ć43 J72 J74 J73 J75 Support Bracket Torx Head Screws 2 Figure 6Ć15 ăRemoving Replacing the A10 Front Panel Control Board ...

Page 180: ...2 ăRemove connector J75 from the A10 Front Panel Control board Note the position of connector s index triangle for correct replacement ăStep 3 ăRemove the two Torx head screws from the A11 Front Panel Button board which is located at the top and near the inside center of the front casting ăStep 4 ăRemove the A11 Front Panel Button board To replace the A11 Front Panel Button board perform the previ...

Page 181: ...laced ăStep 4 ăRemove the rear panel connector plate and the attached A12 Rear Panel Assembly ăStep 5 ăRemove the following items from the rear panel plate two bail brackets screws and washers from the PRINTER connecĆ tor two posts from the GPIB connector posts lockwashers and flat washers from the RSĆ232ĆC connecĆ tor s Torx head screw and washer at lower left if present ăStep 6 ăRemove the A12 R...

Page 182: ...ctive Maintenance Maintenance 6Ć46 GPIB Connector PRINTER Connector RSĆ232ĆC Connector J78 Top As Viewed from the Rear with the Rear Panel Removed Figure 6Ć17 ăRemoving Replacing the A12 Rear Panel Assembly ...

Page 183: ...Corrective Maintenance CSA 803C Service Manual 6Ć47 A13 Mother Board 0 1 4 4 4 1 2 ăStep 1 ă 0 2 1 0 0 0 0 3 0 1 1 0 ăStep 2 ă 0 2 0 3 4 2 3 NOTE ăStep 3 ă 0 ăStep 4 ă 0 2 2 1 ăStep 5 ă 0 0 0 CAUTION ...

Page 184: ...Corrective Maintenance Maintenance 6Ć48 J63A Torx Head Screws 6 Figure 6Ć18 ăRemoving Replacing the A13 Mother Board ...

Page 185: ...4 I O board to seat this connector on the A13 Mother board WARNING A lithium battery BT130 is mounted on the A14 I O board Be careful when placing the A14 I O board on metal surfaces If some IC or battery leads are shorted the battery may discharge or overĆ heat and vent You can use plastic standoffs to prevent short circuits This battery requires special handling for disposal Refer to the instruc...

Page 186: ...Corrective Maintenance Maintenance 6Ć50 J78 Lithium Battery BT130 P105 to A13 Mother Board Connector Front of Oscilloscope J77 J90 J72 Figure 6Ć19 ăRemoving Replacing the A14 I O Board ...

Page 187: ...cket Both ends of the guides can be pried loose ăStep 3 ăRemove connectors J52 J53 J57 and J83 from the A15 MMU board Note the position of multiĆpin connector index triangles to ensure that you can correctly replace these connectors ăStep 4 ăLift the white hinged tabs at the front and rear edges of the A15 MMU board Pull the tabs upward until the A15 MMU board separates from the A13 Mother board ă...

Page 188: ...Corrective Maintenance Maintenance 6Ć52 J83 J53 J57 J52 Front of Oscilloscope P101 To A13 Mother Board Connector Figure 6Ć20 ăRemoving Replacing the A15 MMU Board ...

Page 189: ...ried loose ăStep 3 ăRemove connector J77 from the A17 Executive Processor board Note the position of the multiĆpin connector s index triangle to ensure that you can correctly replace this connector ăStep 4 ăLift the white hinged tabs at the front and rear edges of the board Pull the tabs upward until the A17 Executive Processor board separates from the A13 Mother board ăStep 5 ăRemove the A17 Exec...

Page 190: ...Corrective Maintenance Maintenance 6Ć54 J77 Front of Oscilloscope P104 To A13 Mother Board Connector Figure 6Ć21 ăRemoving Replacing the A17 Executive Processor Board ...

Page 191: ...ce this connector ăStep 4 ăLift the white hinged tabs at the front and rear edges of the board Pull the tabs upward until the A18 Memory board separates from the A13 Mother board ăStep 5 ăRemove the A18 Memory board To replace the A18 Memory board perform the previous steps in reverse order NOTE Insert the edges of the board into the plastic guides at each end of the card cage Lower the board into...

Page 192: ...Corrective Maintenance Maintenance 6Ć56 P106 To A13 Mother Board Connector Front of Oscilloscope Lithium Battery BT150 Figure 6Ć22 ăRemoving Replacing the A18 Memory Board ...

Page 193: ... 6Ć57 NOTE ...

Page 194: ...Corrective Maintenance Maintenance 6Ć58 J2B J1B J3A J4A J3C J4C Torx Head Screws 2 J29A J30A J33A J33B J32 J34 Figure 6Ć23 ăRemoving Replacing the A19 Strobe TDR Buffer Board ...

Page 195: ...cquisition unit ăStep 7 ăRemove the connectors from the A26 M F Acquisition InterconĆ nect board connector Note the position of the multiĆpin connector s index triangle to ensure that the connector can be correctly replaced ăStep 8 ăRemove the Front Subpanel assembly with the A20ĆA23 Head Interconnect boards intact ăStep 9 ăRemove the bottom Torx head screw from within the sampling head compartmen...

Page 196: ... 6Ć60 J1 2 3 4 ...

Page 197: ...Screws A20 and A21 Head Interconnect Boards Power Only Torx Head Screws A22 and A23 Head Interconnect Boards Retaining Tabs 4 per Board Retaining Tabs 4 per Board A22 and A23 Head Interconnect Board Retaining Nuts A20 and A21 Head Interconnect Board Retaining Nuts Power Only Sampling Head Compartments Figure 6Ć25 ăRemoving Replacing the Front Subpanel Assembly ...

Page 198: ...A26 M F Acquisition lnterconnect Board 0 1 4 4 4 4 4 4 4 1 2 ăStep 1 ă 0 ăStep 2 ă 0 ăStep 3 ă 0 1 3 ăStep 4 ă 0 1 ăStep 5 ă 0 ăStep 6 ă 0 4 4 2 3 J11 J12 J13 J14 J10 Figure 6Ć26 ăRemoving Replacing the A26 M F Acquisition Interconnect Board ...

Page 199: ... 8 ăRemove the six Torx head screws to remove the A26 M F AcĆ quisition lnterconnect board To replace the A26 M F Acquisition Interconnect board perform the previous steps in reverse order Acquisition Unit Chassis Torx Head Screws 6 A26 M F Acquisition Interconnect Board Figure 6Ć27 ăTop View of the A26 Mainframe Acquisition Interconnect Board ...

Page 200: ...J43 and J44 from the A27 AcĆ quisition Analog board ăStep 4 ăPull up on the hinged white tabs until the board separates from connector P6 To replace the A27 Acquisition Analog board perform the previous steps in reverse order NOTE Insert the edges of the board into the plastic guides Lower the board into position Check that connector is seated on the A26 M F Acquisition InterĆ connect board connec...

Page 201: ... the hinged white tabs until the board separates from connector P8 on the A26 M F Acquisition Interconnect board To replace the A28 Acquisition MPU board perform the previous steps in reverse order NOTE Insert the edges of the board into the plastic guides Lower the board into position Check that the connector is seated on the A26 M F Acquisition Interconnect board connector Push down firmly on th...

Page 202: ... CAUTION To prevent static damage to the instrument or components observe all the special precautions mentioned under StaticĆSensitive ClassiĆ fication in this section ăStep 3 ă 1 0 ăStep 4 ă 2 CAUTION Finger oils can degrade reliability of components Avoid touching the IC or its socket contacts with your fingers FRU IC Removal ...

Page 203: ... tweezers to fit evenly at the edges of the socket Set the cover flat on the IC with the cover s end tabs properly aligned with but not in the mating recesses in the socket Push down on the cover keeping it flat on the IC and slide the cover end tabs into place Hold it there while moving the retaining clip over the tabs at the other end of the cover Slightly pull on the cover to check that the cov...

Page 204: ... O A5 Time Base Controller A28 Acquisition MPU A15ĆMemory Management Unit Display Processor Firmware A18ĆMemory Executive Processor Firmware Serial Data Interlace IC Acquisition Processor Firmware Time Base Processor Firmware ...

Page 205: ...5 1 4 18 0 4 2 6 4 9 4 5 0 174 1 19 6 5 241 74 5 WARNING Dangerous shock hazards may be exposed when the instrument covers are removed Before proceeding ensure that the CSA 803C PRINCIPAL POWER SWITCH is in the OFF position Then disconĆ nect the instrument from the power source Disassembly should only be attempted by qualified service personnel CAUTION To prevent static damage to the instrument ob...

Page 206: ... The A15 MMU board is typically located farthest from the outside left side of the instrument Locate the two firmware ICs U140 and U150 CAUTION To prevent damage to the firmware ICs or the board ensure pin 1 is positioned correctly when replacing components NOTE Use the IC InsertionĆExtraction Pliers shown in Figure 6Ć31 for removing and replacing the ICs Refer to Table 4Ć2 Test EquipĆ ment for th...

Page 207: ...Corrective Maintenance CSA 803C Service Manual 6Ć71 Figure 6Ć31 ăIC InsertionĆExtraction Tool ăStep 4 ă 0 0 0 0 0 0 1 1 0 0 ăStep 5 ă 1 1 1 1 0 ...

Page 208: ...se ConĆ troller board see Figure 6Ć10 and install the terminal connector link Connect a power cord to the instrument Connect a terminal or controller to the CSA 803C Refer to the for more information on this connection Set the PRINCIPAL POWER SWITCH and ON STANDBY switch to ON Set necessary communication parameters for example baud rate After the instrument is poweredĆon to establish communication...

Page 209: ...TE You must now perform the powerĆon sequence again for the instruĆ ment to recognize the new manufacturing jumper configuration H Set the PRINCIPAL POWER SWITCH and ON STANDBY switch to ON H Verify that the instrument powersĆon and successfully completes the SelfĆTest diagnostics NOTE If problems are encountered then check for the following H ăall components are properly oriented in the sockets H...

Page 210: ...nnectors End Tabs Index Index Index Bevel Retaining Clip Mating Recesses Index Spring Cover IC Socket Index Index Index Index Index Index SlamĆPack IC Dual InĆLine Package IC Note Figure 6Ć32 ăMultiĆPin Connector Orientation and Semiconductor Indexing Diagram ...

Page 211: ...he removal and replacement procedure for the various types of interconnecting methods Peltola and SMB connectors use color coding of wires which may be helpful to correlate a Peltola connector to its socket on a circuit board The wire insulation s color or its colored stripe is the same as the color represented by the last digit of the JXX component number For example a green wire would connect to...

Page 212: ...he holder There is a corresponding gap between pins 1 and 3 on the circuit board Align the plug in the multiĆpin holder with the gap between the circuit board pins The connector is then ready to be installed NOTE To remove these ribbon connectors grasp the pullĆtab fastened into the connector if there and pull it loose from the holder If there isn t a pullĆtab present in the connector grasp the en...

Page 213: ...ks Required 1 3 4 7 01 0 51 01 0 1 4 1 4 7 01 0 51 01 0 2 1 4 7 01 0 51 01 0 4 2 6 1 1 1 2 6 601 1 0 4 1 2 6 0 1 4 7 01 0 51 01 0 3 0 6 2 00 6 4 7 01 0 51 01 0 1 1 4 7 01 0 51 01 0 1 211 4 7 01 0 51 01 0 4 7 01 0 51 01 0 1 4 7 01 0 51 01 0 21 21 21 4 7 01 0 51 01 0 4 7 01 0 51 01 0 5 21 3 00 4 7 01 0 51 01 0 6 4 7 01 0 51 01 0 Checks After FRU Replacement ...

Page 214: ...rĆOn Diagnostics Vertical Accuracy System Vertical RMS Noise A26 M F Acquisition Interconnect Board PowerĆOn Diagnostics Extended Diagnostics Vertical Reference Voltage A27 Acquisition Analog Board PowerĆOn Diagnostics Extended Diagnostics Vertical Accuracy System Vertical RMS Noise A28 Acquisition MPU Board PowerĆOn Diagnostics Extended Diagnostics Firmware ICs PowerĆOn Diagnostics Extended Diagn...

Page 215: ...se processor attempts to communicate with the Executive processor Likewise the DisĆ play processor attempts to communicate with the Executive processor after successfully executing its Kernel diagnostics After a processor has successfully completed its Kernel diagnostics and established communications with the next order processor for example AcquisitionĆtoĆTime Base and Time BaseĆtoĆExecutive the...

Page 216: ...cessfulĆ ly pass their communications stage then the CSA 803C automatically enters Extended Diagnostics at the end of the SelfĆTest diagnostics If the Display processor is at fault then the Extended Diagnostic menu will not appear on the screen The Kernel diagnostic tests execute concurrently in all three subsystem processor circuits at powerĆon Hardware critical to diagnostic operation is verifie...

Page 217: ... 0 40 0 1 0 1 01 0 0 0 0 4 40 0 1 1 6 2 5 3 0 0 1 5 0 0 0 1 5 0 1 0 0 0 2 1 6 2 1 5 6 0 10 1 5 0 0 4 1 5 0 0 1 5 0 1 0 0 0 0 1 0 1 0 0 1 5 6 0 0 1 0 1 0 0 1 0 0 1 5 0 0 1 1 0 0 1 0 0 2 1 0 3 0 1 2 0 10 1 3 0 0 0 0 0 1 0 0 0 0 4 10 4 0 40 0 2 6 0 3 0 0 0 0 1 5 0 0 0 0 1 0 4 1 0 0 0 0 10 1 4 3 1 5 0 7 4 10 2 7 0 7 0 5 10 7 1 1 0 05 7 1 ...

Page 218: ...Ć82 4 2 1 1 TableĂ6Ć5 ăExtended Diagnostics Error Index Code Descriptions Description Meaning 1 2 4 2 2 1 E Exit 0 1 0 2 1 0 4 1 1 2 4 1 2 1 2 4 1 2 2 1 2 2 2 2 0 0 2 2 0 0 1 4 2 0 2 4 4 0 Help 5 2 2 1 2 2 4 4 4 4 4 2 3 2 2 2 0 1 1 2 0 0 2 2 ...

Page 219: ... 6Ć83 ...

Page 220: ...in this Subsystem Block or Area are available for execution No routines in the Subsystem Block or Area are available for execution One or more routines in the Subsystem Block or Area are available for execution Refer to the Delete and Add descriptions for further information Title field Ċ contains the name of individual hardware Subsystems Blocks Areas or Routines Error Index Code field Ċ contains...

Page 221: ...nt field has gone beyond 65534 and that an overflow condition has occurred The following field descriptions apply only to Routine menus Test Results fields Ċ contain information useful for troubleshooting One of the following formats is used test address expected data and actual data expected data lower bound minimum expected data upper bound maximum and actual data Diagnostic Menu Hardcopy Press ...

Page 222: ...keystroke toggles the screen output between the current screen display and an ANSI compatible terminal The terminal should initially be set in its ANSI mode Ċ this keystroke toggles the screen output between the current screen display and a Tektronix 4x05 terminal 4105 4205 Ċ this keystroke toggles the screen output between the current screen display and a Tektronix 4x07 terminal 4107 4207 Ċ this ...

Page 223: ...lete 2 4 3 0 460 SelfĆTest or Extended Diagnostics were completed sucĆ cessfully 394 SelfĆTest or Extended Diagnostics were completed and failed In either case a GPIB RSĆ232ĆC controller may obtain pass fail information through the query The command with argument initiates the Extended Diagnostics similarly to entering Extended Diagnostics through the front panel UTILITY menu The primary use of th...

Page 224: ...the SelfĆTest diagnostics or Extended DiagnosĆ tic operation did not detect any test faults This response indicates that the Extended Diagnostic operation detected test faults This response indicates that the SelfĆTest diagnostics or Extended DiagnosĆ tic operation detected test faults This response indicates that a powerĆon has occurred and that SelfĆTest diagnostics were bypassed through a jumpe...

Page 225: ...RAM on the A18 Memory board If the diagnostics consistently reports an NVRAM Battery E141X failure over multiple powerĆons then the battery should be tested If the battery voltage measures less than 2 7 V then the most likely source of the problem is the battery and you should follow the instructions for battery disposal earlier in this section Sockets for devices U500 and U511 provide power for t...

Page 226: ...6 5 10 3 0 3 0 1 0 2 1 3 0 0 0 0 0 0 0 1 0 1 0 3 7 0 1 0 3 0 1 0 0 0 4 3 0 0 7 0 1 0 1 1 0 7 0 40 0 4 0 5 1 0 1 07 1 0 1 7 0 40 0 0 1 0 0 5 0 3 4 0 0 070 7 0 1 5 0 1 0 0 1 0 0 0 0 0 0 0 0 5 0 1 7 0 1 0 3 0 3 0 0 0 3 1 4 0 5 0 0 0 5 0 7 3 0 0 2 0 4 0 0 2 0 1 1 0 1 1 5 0 4 10 2 5 1 0 1 5 0 1 0 0 4 0 0 4 10 2 0 1 0 0 4 3 40 0 2 0 1 0 1 0 05 5 4 0 4 10 2 5 2 1 0 1 ...

Page 227: ...RT Driver board A8 TOUCH Touch Panel assembly A9 FPCTRL Front Panel Control board A10 FPBUT Front Panel Button board A11 REAR Rear Panel assembly A12 MOTHER Mother board A13 IO Input Output board A14 MMU Memory Management Unit board A15 EXP Executive Processor board A17 MEM Memory board A18 STROBEBUF Strobe TDR Buffer board A19 HEAD Head Interconnect Power Only board A20 A21 HEAD Head Interconnect...

Page 228: ... 6Ć92 NOTE The Executive Display Time Base and Acquisition firmware is packaged in a single firmware FW kit the individual parts are not available as separate components ...

Page 229: ...FORM label represents the LSB least significant bit When lit the LEDs represent a one For example error index code 12 causes the STORE RECALL and TRIGĆ GER LEDs to light The status LEDs DS306 and DS307 on the A17 Executive Processor board will flash while the Kernel diagnostic tests are executing If a kernel failure is detected then one or both LEDs will remain on Table 6Ć11 lists the various LED ...

Page 230: ...the Executive processor manual tests and verification proceĆ dures If the conditions specified in the verification procedure listed are not met then the suspect FRUs can be found using the Help function These tests are performed manually and produce no error index code displays They are included to help you locate faulty boards that the Kernel or SelfĆTest diagnostics possibly did not locate Inter...

Page 231: ...Routine popĆup menu with the All and Loop modes set to Off Once this test is invoked you can touch any of the soft keys in the instrument and verify that a touch box is drawn around the soft key on the screen and that an audio click is generated ąKnobs This test allows you to turn either of the knobs and verify their operation This test verifies knob movement with visual feedback This test require...

Page 232: ... 6Ć96 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ...

Page 233: ... 6Ć13 TableĂ6Ć13 ăDisplay Processor Kernel Error Index Codes Error Indexhex Suspect Hybrid IC FRUs Suspect Board FRUs 1 4 FW MMU 5 7 MMU The name of the first Display kernel test that fails is displayed on the screen The Display processor error index code is read from the A15 MMU board test points DIAG0 LSB to DIAG2 MSB The bits are high 5 V true The status LEDs DS201 and DS200 on the A15 MMU boar...

Page 234: ... test that fails are read from the A5 Time Base Controller board status LEDs ST4 MSB ST3 ST2 and ST1 LSB The bits are true one when the LED is on Also status LEDs ST5 and ST6 indicate when the test is executing and when the test has failed respectively See Figure 6Ć35 for the location of these status LEDs The patterns from the status LEDs are applicable only when the Time Base is executing or stop...

Page 235: ... 6Ć99 ST1 LSB ST2 ST3 ST4 MSB ST5 Test Running ST6 Test Failed Status LEDs ...

Page 236: ... 6Ć100 3 0 1 0 0 5 hex 3 0 0 0 1 0 0 0 0 0 0 1 0 0 01 1 5 0 0 0 0 01 00 0 0 01 4 2 0 1 0 3 10 0 0 Status LEDs DS100 LSB DS101 MSB ...

Page 237: ... 4536 5 8 5 48 5 4 5 7 64 4 07 3 5 1 3 563 4 65 08 5 108 3 4611 5 4 4 50 033 5 5 130 0 5 5 95 04 5 4 3 4 08 3 611 4 45 9563 50 5 08 3 611 0 6 3 3 50 5 0 6 5 5 0 0 1 5 5 45 9563 03 5306 4 005 5 26 4 5 45 9563 5 4 8 108 3 4611 70 5 4063 4 5 6 5 0 1 40 5 5 4063 0 5 130 4 5 5 4536 54 48 5 50 4 0 5 5 4641 5 6 5 108 3 4611 70 5 4063 30 5 08 3 611 0 6 5 5 48 5 50 5 5 45 9563 0 4 05 3 03 6 5 5 06 7 7 3 5 ...

Page 238: ...7 30 4403 0 3 5 3 4 4 4 06 3 0 0 6 5 5 045 5 454 3 0 1 5 5 563 0 0 5 4 4 3 5 5 5 4 130 8 5 5 0 3 0 8 5 3 4 4 4 563 0 5 5 0 5 0 3 03 5 3 7 3 0 3 4 4641 5 5 5 108 3 0 0 5 5 45 5 3 0 1 5 50 5 64 06 5 4 3 5 306 5 6 108 3 0 50 03 045 3303 40 5 4536 5 5 34 95 045 4 5 5 45 5 3 5 1 T 50 41 5 EXĆ TENDED DIAGNOSTICS 6 0 5 5 3 41 5 41 33034 3 0 03 5 30 5 1 506 4 3 5 5 5 0 5 0 3 03 5 3 7 3 0 3 4 5 6 5 05 05 3...

Page 239: ...s 15 V to the A14 I O board temperature sensor and tone generator the lights of the A11 Front Panel Button board the A9 Touch Panel board the A12 Rear Panel board s RSĆ232ĆC output line drivers the card cage and the A17 Executive Processor board s NVRAM If the NVRAM battery test and the RSĆ232ĆC External Loop Back test fail but the Internal Loop Back test passes and the A11 Front Panel Button boar...

Page 240: ...ive Subsystem Error Index Codes F200 open 10hex GPIB Interrupt F800 open 13hex Front Panel Inter NOTE The front panel lights do not work so the code must be read from the error status test points TP200ĆTP205 on the A17 Executive Processor board F600 open Passes the Kernel diagnostic tests but the front panel lights are not lit Exec Control E1411ă3 ąNVRAM E1411ă3 ąąBattery E1411ă1 ąă Data Lines E14...

Page 241: ...Other Troubleshooting CSA 803C Service Manual 6Ć105 Fuse F200 Fuse F600 Fuse F602 Fuse F800 Figure 6Ć37 ăA14 I O Board Fuse Locator Diagram ...

Page 242: ... 0 0 3 4 Time base calibration failed at power up 2XX 3 0 0 1 0 4 0 0 0 0 3 4 Time base calibration failed 1XX 3 0 0 0 0 0 0 0 0 04 0 0 0 0 1 1 3 6 0 2 1 3 00 0 0 0 4 3 0 0 CALCORRECTION CALCORRECTION ui N 3 ui N CAUTION 1 1 2 1 0 1 0 0 0 0 5 3 0 1 10 3 0 1 4 0 0 0 6 0 04 00 3 0 0 1 01 0 0 0 0 Time Base Calibration Errors ...

Page 243: ...Other Troubleshooting CSA 803C Service Manual 6Ć107 TableĂ6Ć18 ăTime Base Calibration Errors Error Message Error Code Suspect FRU ...

Page 244: ...hat the error message will appear Error detected in acquisition system AA BBBB CCCC DDDD EEEE FFFF GGGG HHHH IIII where the A digits represent the number of the Acquisition system and the B C D E F G H and I digits represent the fourĆdigit error codes The B and I digits can be ignored If any of the C or D digits are nonĆzero then the possible faulty FRUs from most to least likely are ACQMPU MFACQC...

Page 245: ...ls and rackmounting hardware to convert the benchtop instrument to a standard 19Ćinch rackmount version This option can be added at any time Option 10 Ċ deletes the Prescaler The Prescaler circuitry extends the trigger bandwidth to 10 GHz The Prescaler may be added at any time with an option kit Option A1 Ċ replaces the standard power cord with the Universal EuroĆ pean 220 V type power cord Option...

Page 246: ... 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 ...

Page 247: ... 8Ć1 ...

Page 248: ... 8Ć2 ...

Page 249: ...0 3 7 4 0 530 3 3 3 3 5 3 4 9 65 7 30 4403 03 5 5 7 03 03 06 6550 4 0 5 564 7 03 0 13 4403 41 0 530 08 3 611 3 5 3 5 530 0 3 503 65 5 3 0 65 0 530 6 3 5 6 34 0 530 6 34 3 44 5 3 6 5 0 0 3 0 3 5 0 3 5 5 5 5 3 0 5 3 503 0 5 B 1 01 4 530 4 530 4 530 4 530 4 530 4 ...

Page 250: ...9Ć3 ăA4 Regulator Board Block Diagram 1 04 2 3 723 2 1 4 31 231 43 1 1 22 1 9 232 23 2 31 2 1 31 231 43 1 2 1 1 2 1 1 1 43 1 3 1 1 43 1 1 1 8 1 2 1 2 3 1 31 1 5 3 31 231 43 1 5 3 31 231 43 3 1 04 2 3 723 3 1 1 1 Figure 9Ć4 ăA5 Time Base Controller Board Block Diagram 5 1 1 1 1 4 1 423 3 423 3 423 3 1 1 4 Figure 9Ć5 ăA7 CRT Socket Board Block Diagram ...

Page 251: ...ils Coils Heater Degauss Figure 9Ć6 ăA8 CRT Driver Board Block Diagram J78 GPIB Req GPIB Gr RPD0 D7 RPA1 A4 GPIB Sel GPIB Clk RP Reset GPIB Controller DO0 DO7 T6 Control Signal Control GPIB Control Buffer LED A GPIB Control Buffer Standard RS Standard RSĆ232ĆC Controller Reset Inverter GPIB Interface J50 RPD0 D7 RPA1 A4 RSĆ232ĆC Transceiver Buffer J51 RSĆ232ĆC Transceiver Buffer Standard RSĆ232ĆC ...

Page 252: ... 2 6 02 0 20 3 0 420 2 0 20 8 54 6 20 3302 6 02 31 9 0 Figure 9Ć9 ăA15 MMU Board Block Diagram 3 4 2 402 8 54 6 20 3302 5 2 20 3302 84 3 0 4 5 2 8 54 6 934 4 53 4 4 4 0 2 4 4 4 2 402 4 5 2 1 3 4 4 53 934 3 4 20 0 3 4 5 2 3 4 0 420 2 7 4 8 54 6 934 2 33 53 8 54 6 934 0 420 53 2 33 53 0 420 53 4 22514 0 420 23 2 33 5 2 0 420 5 2 2 33 0 4 2 33 4 3 4 4 3 5 51 6 24 2 4 0 0 20120 3302 4 22514 0 420 0 20...

Page 253: ...5 723 8 3 1 22 3 2 17 3 4 12 17 41 3 1 22 17 3 3 1 1 3 1 3 3 3 1 3 1 3 3 3 23 2 31 1 22 3 33 17 40 2 31 1 1 31 1 5 1 31 2 3 4 1 5 3 31 2 6 0 0 13 32 31 2 31 2 31 2 6 3 2 1 3 0 31 2 0 31 2 1 5 2 6 1 1 2 3 1 ...

Page 254: ...210 21 2 1 4 21 2 1 1 1 1 4 1 2 1 4 1 4 0 1 1 1 3 1 2 1 1 0 1 1 1 1 1 1 3 1 Figure 9Ć14 ăA27 Acquisition Analog Board Block Diagram 1 1 0 1 2 1 1 0 1 1 00 1 0 1 2 1 3 1 0 1 3 1 1 1 Figure 9Ć15 ăA28 Acquisition MPU Board Block Diagram ...

Page 255: ... 9Ć7 ...

Page 256: ... 9Ć8 ...

Page 257: ... ...

Page 258: ... 9Ć10 ...

Page 259: ... 9Ć11 ...

Page 260: ... 9Ć12 ...

Page 261: ... 10Ć1 1 2 1 0 0 1 1 1 1 1 1 0 1 1 1 1 2 1 1 1 0 1 1 1 2 0 0 1 1 1 1 1 1 ...

Page 262: ...Assembly and or Component Attaching parts for Assembly and or Component END ATTACHING PARTS Detail Part of Assembly and or Component Attaching parts for Detail Part END ATTACHING PARTS Parts of Detail Part Attaching parts for Parts of Detail Part END ATTACHING PARTS Abbreviations Using the Replaceable Parts List ...

Page 263: ...0941 00 A10 670 8847 01 Front Panel Control A11 671 1130 00 Front Panel Button A12 671 0013 00 Rear Panel A13 671 1129 00 Mother A14 670 8854 04 Input Output A15 671 1023 02 Memory Management Unit A17 671 2888 00 Executive Processor A18 671 1890 00 Memory A19 671 2909 00 Strobe TDR Buffer P O 657 No A 657 0089 00 Acquisition Module A20 670 9366 02 Head Interconnect P O 657 A21 670 9366 02 Head Int...

Page 264: ...FT FACTORY PLASTICS 17145 SW ALEXANDER ALOHA OR 97007 TK1719 NEDELCO BV THOMAS BETTS POSTBUS 6431 3002 AK ROTTERDAM THE NETHERLANDS TK1727 PHILIPS NEDERLAND BV AFD ELONCO POSTBUS 90050 5600 PB EINDHOVEN THE NETHERLANDS TK1869 ALPS 100 N CNTRE AVE ROCKVILLE CENTRE NY 11570 TK1905 PUGET CORP OF OREGON 7440 S W BONITA TIGARD OR 97223 TK1916 SKS DIE CASTING CO 2200 4TH BERKELEY CA 94710 2215 TK1943 NE...

Page 265: ... PARTS MFG CO 1800 216TH AVE NW HILLSBORO OR 97124 6629 50579 SIEMENS COMPONENTS INC OPTOELECTRONICS DIV 19000 HOMESTEAD RD CUPERTINO CA 95014 0712 52814 TECH ETCH INC 45 ALDRIN RD PLYMOUTH MA 02360 53387 MINNESOTA MINING MFG CO PO BOX 2963 AUSTIN TX 78769 2963 61058 MATSUSHITA ELECTRIC CORP OF AMERICA PANASONIC INDUSTRIAL CO DIV ONE PANASONIC WAY PO BOX 1502 SECAUCUS NJ 07094 2917 61857 SAN 0 IND...

Page 266: ... 10Ć6 ...

Page 267: ... 10Ć7 ...

Page 268: ...7 PNH STL T10 93907 829 07510 024 19 260 2275 00 343 0549 00 1 1 SWITCH ROCKER SPST 30MA 12V STRAP TIEDOWN E 0 098 W X 4 0 L ZYTEL TK1262 TK1499 MEO1O D HW 047 20 333 3418 00 1 PANEL FRONT 11801 UPPER TK2072 ORDER BY DESC 21 150 0121 12 1 LAMP CARTRIDGE 5V 0 064 GREEN LENS 4 5L 80009 150012112 22 210 0586 00 11 NUT PL ASSEM WA 4 40 X 0 25 STL TK0435 ORDER BY DESC 23 348 1076 00 1 SHLD GSKT ELEK SO...

Page 269: ...Index No Mfr Part No Mfr Code 12345 Name Description Qty Serial No Effective Dscont Tektronix Part No A9 A11 22 22 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 Figure 10Ć2 ăFront Panel ...

Page 270: ... BY DESC 17 386 5269 02 1 SUBPANEL REAR PLATED TK1916 ORDER BY DESC 18 386 5283 00 2 SUPPORT CHASSIS POWER SUPPLY POLYCARB 0JR05 ORDER BY DESC 19 343 0081 00 1 STRAP RETAINING 0 125 DIA NYLON 85480 CPNY 172BK 20 210 0007 00 174 1406 00 1 1 WASHER LOCK 8 EXT 0 02 THK STL CA ASSY SP ELEC 18 AWG 6 0 L 0KB01 TK2469 ORDER BY DESC ORDER BY DESC 21 214 4082 00 2 PIN GUIDE 0 850 L METAL TK0588 214 4082 00...

Page 271: ...ble Parts CSA 803C Service Manual 10Ć11 A10 A12 A7 1 2 3 4 5 6 7 8 9 10 11 12 13 14 5 15 16 2 17 18 19 20 21 22 2 2 2 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 29 2 16 16 33 5 5 Figure 10Ć3 ăChassis Rear ...

Page 272: ...OARD M F POWER CONNECT SEE A3 EXCHANGE ITEM 80009 670964000 12 211 0711 00 19 SCR ASSEM WSHR 6 32 X 0 25 PNH STL T15 0KB01 ORDER BY DESC 13 670 9365 06 1 CIRCUIT BD ASSY M F STROBE DRIVER SEE A1 EXCHANGE ITEM 80009 670936506 14 672 0383 00 672 0384 00 1 1 CKT BD ASSY TIMEBASE CONT W PRESCALER SEE A5 EXCHANGE ITEM CKT BD ASSY TIMEBASE CONT W O PRESCALER SEE A5 OPTION 10 EXCHANGE ITEM 80009 80009 67...

Page 273: ...Replaceable Parts CSA 803C Service Manual 10Ć13 12 A17 A18 A14 A15 A13 A4 A5 A1 A3 A8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 12 12 15 16 17 18 19 12 20 12 21 22 1 23 A6 Figure 10Ć4 ăCircuit Boards ...

Page 274: ...33B TK2469 ORDER BY DESC 174 1565 00 1 CABLE ASSY RF 50 OHM COAX 30 0 L 9 7 FROM A1J27 TO A6J27 80009 174156500 174 0827 00 1 CABLE ASSY RF 50 OHM COAX 17 5 L 9 03 FROM A1J33A TO A19J33A TK2469 ORDER BY DESC 174 1557 00 1 CA ASSY SP ELEC 8 22 AWG 4 12 5 L 4 11 125 L FROM A10J74 TO ENCODERS S74 AND S75 TK1967 ORDER BY DESC 174 1559 00 1 CA ASSY SP ELEC 8 26 AWG 12 0 L FROM A7J56 TO A8J56 TK1967 ORD...

Page 275: ...9 00 9 SCR ASSEM WSHR 4 40 X 0 312 PNH STL T10 93907 829 06888 024 13 670 9361 00 1 CIRCUIT BD ASSY M F ACQUISITION INTCON SEE A26 EXCHANGE ITEM 80009 670936100 14 407 3562 00 1 BRACKET CKT BD MODULE DISCONNECT ALUMINUM TK1943 ORDER BY DESC 15 426 2166 00 1 FRAME SECT CAB MODULE 80009 426216600 16 386 5687 00 1 SUPPORT CKT BD PLASTIC TK1163 ORDER BY DESC 17 211 0718 00 12 SCREW MACHINE 6 32 X 0 31...

Page 276: ...Replaceable Parts Mechanical Parts List 10Ć16 A28 A27 A19 A20 A21 A22 A23 A26 Figure 10Ć5 ăAcquisition Module ...

Page 277: ...174 0627 01 4 CABLE ASSY RF 50 OHM COAX 15 0 L 9 5 FROM A19J1A TO A20J1A FROM A19J2A TO A21J2A FROM A19J3A TO A22J3A FROM A19J4A TO A23J4A TK2338 174 0627 01 174 0630 01 1 CABLE ASSY RF 50 OHM COAX 8 2 L 9 3 FROM A19J3B TO A22J3B TK2338 174 0630 01 174 0631 01 1 CABLE ASSY RF 50 OHM COAX 5 8 L 9 4 FROM A19J4B TO A23J4B TK2338 174 0631 01 343 0549 00 4 STRAP TIEDOWN E 0 098 W X 4 0 L ZYTEL TK1499 H...

Page 278: ...0 159 0220 00 1 1 1 1 FUSE CARTRIDGE 3AG 6A 250V FAST BLOW F99 USED IN FUSE HOLDER FUSE CARTRIDGE 3AG 2A 250V FAST BLOW F410 PART OF LINE INVERTER BOARD FUSE WIRE LEAD 1 5 A F650 PART OF LINE INVERTER BOARD FUSE WIRE LEAD 3A 125V FAST F740 PART OF CONTROL RECTIFIER BOARD 75915 71400 71400 61857 312006 AGC 2 TR MCR 1 1 2 SP5 3A 6 407 3362 00 1 BRACKET FAN 0 050 5005 H 34 5Y400 ORDER BY DESC 7 204 0...

Page 279: ...LY S3109 86511000 174 1120 00 2 CABLE ASSY RF 50 OHM COAX 8 5 L TK2469 ORDER BY DESC 174 1364 00 1 CABLE ASSY RF 12 0 L 0 N TK2469 ORDER BY DESC 006 3415 04 1 STRAP WRIST 3M TYPE 2214 ADJUSTABLE 6 FT TK0623 400 1829 070 9970 00 1 MANUAL TECH PROGRAMMER 11801C CSA803C 80009 070997000 070 9973 00 1 MANUAL TECH USER CSA803C 80009 070997300 070 9974 00 1 MANUAL TECH SERVICE CSA803C 80009 070997400 OPT...

Page 280: ...Replaceable Parts Mechanical Parts List 10Ć20 1 2 3 4 5 6 Figure 10Ć7 ăAccessories ...

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