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Service Manual

SD-14
Sampling Head

070–8285–01

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 the Safety Summary prior to per-
forming service.

Please check for change information at the rear
of this manual.

First Printing: May 1993

Содержание SD-14

Страница 1: ...ions 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 per forming service Please che...

Страница 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...

Страница 3: ...LITY 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 TEKTRONI...

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Страница 5: ...r Shipment 1 7 Operating Environment 1 8 Checks and Adjustments Checks and Adjustments 2 1 Test Equipment 2 3 Using These Procedures 2 5 Procedure 1 Power On 2 8 Procedure 2 Rise Time 2 10 Procedure 3...

Страница 6: ...ents ii Theory of Operation Theory of Operation 4 1 System Functional Overview 4 1 Offset Null and Offset Gain 4 2 Replaceable Parts Replaceable Parts 5 1 Parts Ordering Information 5 1 Using the Repl...

Страница 7: ...SD 14 Service Manual iii List of Figures 4 3 4 4 3 4 4 3 4 4 3 2 4 4 3 4 4 3 4 4 4 3 1 0 4 4...

Страница 8: ...iv...

Страница 9: ...SD 14 Service Manual v List of Tables 4 6 5 2 0 1 1 6 6 4 6 5 6 4 6 5 6 4 6 5 6 4 6 5 6 4 6 5 3 6 4 6 5 0 3 6...

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Страница 13: ...SD 14 Service Manual 1 1 General Information Introduction...

Страница 14: ...ION WARNING Terms on Equipment CAUTION DANGER Symbols in Manuals Static Sensitive Devices Symbols on Equipment DANGER High Voltage Protective ground earth terminal ATTENTION Refer to manual Grounding...

Страница 15: ...General Information SD 14 Service Manual 1 3 Do Not Operate in Explosive Atmospheres...

Страница 16: ...formation 1 4 11801B CSA 803A Sampling Head Compartments Sampling Head Compartments Power Only Sampling Head Compartments Figure 1 1 Sampling Head Compartments in an 11801B and a CSA 803A Installing a...

Страница 17: ...d Time Base Controller Firmware Versions Compatible with the SD 14 Mainframe Instrument Firmware Version for SD 14 Operation CAUTION To prevent damage to the sampling head or instrument never install...

Страница 18: ...General Information General Information 1 6 Sampling Head Lock Down Screw Figure 1 2 Installing a Sampling Head in an Instrument...

Страница 19: ...General Information SD 14 Service Manual 1 7 H H H H Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Packing for Shipment...

Страница 20: ...General Information General Information 1 8 Operating Temperature _ _ _ _ _ Operating Environment...

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Страница 23: ...hat have a yes in the Functional Test column Refer to the for more information about specifications and sampling head operation Refer to Table 2 2 for informa tion concerning test equipment used in th...

Страница 24: ...Checks and Adjustments Checks and Adjustments 2 2 Table 2 1 Measurement Limits and Specifications Cont Procedure Number and Description Functional Test Specification Measurement Limit 0 0 v 0...

Страница 25: ...nerator with a TM 500 Series Power Module Time Mark Generator 1 ns through 5 s markers in a 1 2 5 sequence at least 5 parts in 10 accuracy Tektronix TG 501A Time Mark Generator with a TM 500 Se ries P...

Страница 26: ...est Equipment Minimum Specification 55 6 503 55 6 5 0 W 50 5 530 9 35 3 5 0 530 9 35 W 3 5 0 0 5034 1 W 0 503 530 9 35 W 3 5 0 0 5034 1 W 0 5034 530 9 35 035 3 6 5 3 5 0 0 5034 0 1 5 530 9 35 0 503 50...

Страница 27: ...nventions in this Manual H 0 0 H Bold 0 0 H 0 0 1 0 Check Adjust 2 Examine 0 Initialized and Stored Settings Initialize 2 Initialize 2 1 0 2 Menu Selections and Measurement Techniques 0 User Manual 0...

Страница 28: ...Checks and Adjustments Checks and Adjustments 2 6 Setup Illustrations...

Страница 29: ...l Clock Output Trigger Input Left Sampling Head Compartment Calibrator Output Internal Clock Output Trigger Input Antistatic Connection Left Sampling Head Compartment Left Sampling Head Compartment Le...

Страница 30: ...Checks and Adjustments Checks and Adjustments 2 8 0 _ _ Setup to Power On Sampling Head 11801B CSA 803A Sampling Head Procedure to Power On Step 1 0 1 0 Step 2 2 Step 3 0 Procedure 1 Power On...

Страница 31: ...Checks and Adjustments SD 14 Service Manual 2 9 Step 4 Step 5 0 0 H H H H H...

Страница 32: ...ation Step Generator Calibration Fixture 50 W Termination Internal Clock Output SMA F F Adapter Power Supply Remote Head Control Unit CSA 803A Calibration Step Generator Calibration Step Generator Cal...

Страница 33: ...5 27 Acquire Desc 1 6 8 240 0 24 0 17 Step 6 6 Average N 62 On 1 6 1 627 Set Avg N Step 7 6 Average N 62 9 6 6 623 12 Step 8 27 6 24 216 21 1 6 1 5 6 Main Size 1 6 12 0 17 Step 9 1 6 Main Size 323 73...

Страница 34: ...Checks and Adjustments Checks and Adjustments 2 12 Step 18 Main Pos Step 19 Main Size Step 20 Main Pos Step 21 Rise Mean Rise Step 22 v...

Страница 35: ...ustments SD 14 Service Manual 2 13 Measurement Limits Table 2 3 Aberration Measurement Limits Time Difference from the Rising Edge of Waveform Aberration Measurement Limits v v v v v v w v v Procedure...

Страница 36: ...ator Calibration Step Generator Calibration Fixture 50 W Termination Internal Clock Output SMA F F Adapter Power Supply Remote Head Control Unit CSA 803A Calibration Step Generator Calibration Step Ge...

Страница 37: ...e Main Size pop up menu set the Main Size to 400 ns div Step 8 Set the Main Pos so that the rising edge of the step is at the left most edge of the screen Step 9 Touch the vertical icon and then set t...

Страница 38: ...s only 1 under Mainframe 31 Enter Desc Step 19 Acquire Desc 1 Set Avg N Avg N 64 Step 20 Vert Offset M1 Step 21 Vert Size M1 Step 22 0 Main Size Do not adjust the horizontal position Step 23 Examine 1...

Страница 39: ...Checks and Adjustments SD 14 Service Manual 2 17 Measurement Limits H H H Specifications Setup to Examine Offset CSA 803A 11801B W W Procedure 4 Offset Sampling Repetition Rate...

Страница 40: ...32 Step 5 3 44 5 65510 0 516 Enhanced Accuracy 0 3 4 13 23 44 5 65510 Step 6 16 Offset 0 5 0 0 63 9 06 Step 7 16 Automatic Calibrate 0 5 Offset 212 62 06 0 1 18 5 04536 5 104 10 5 04536 05 42 9 Check...

Страница 41: ...ments SD 14 Service Manual 2 19 Step 13 Mean Data Interval whole zone Mean Step 14 Mean Measurement Limits Table 2 4 Measurement Limits for Offset Vertical Offset Setting V Vertical Size Setting Measu...

Страница 42: ...ts 2 20 Setup to Check Offset Change with Repetition Rate 11801B W Time Mark Generator CSA 803A W Time Mark Generator Procedure to Check Offset Change with Repetition Rate Step 1 2 0 1 3 0 0 0 Enhance...

Страница 43: ...sc Step 9 3 Average N 3 On 3 3 4 Set Avg N Step 10 3 Average N 3 8 6 3 3 3 0 Step 11 3 4 3 3 Acquire Desc 2 3 1 3 1 4 2 62 3 3 3 5 1 2 5 0 3 Step 12 1 22 3 433 Step 13 4 Measurements 3 Mean 3 Measurem...

Страница 44: ...Gain of Mainframe CSA 803A 11801B 10X Attenuator Calibration Head Voltage Source Calibration Fixture 50 W Termination SMA F F Adapter SMA T Connector 10X Attenuator Calibration Head Voltage Source Ca...

Страница 45: ...et 84 0 V 97 3 8 034 46 545 95 0 5 2 39 Step 4 6 77 8 98843 8 3 7 1 8 Measurements 642 8 2 3 2 39 Step 5 642 8 796 2 387 545 95 2 39 7 1 8 Mean 46 64 3 1 43 5 5 6 462 8 4114 3 78 57 Step 6 8 8 418 496...

Страница 46: ...4 6 Step 11 CH 1 6 3 Step 12 1 6 1 Step 13 0 1 Vin V Step 14 0 Vert Size M1 Step 15 Vert Size M1 6 0 4 1 6 Step 16 0 3 Mean Mainframe with SD 14 y 6 2 1 6 3 0 Mainframe with SD 14 2 Calculate the Gain...

Страница 47: ...Checks and Adjustments SD 14 Service Manual 2 25 x Mainframe with SD 14 y Step 17 x2 xy x y x2 xy Step 18 x Mainframe with SD 14 y x2 xy Step 19 Step 20 x Mainframe with SD 14 y...

Страница 48: ...Checks and Adjustments Checks and Adjustments 2 26 Step 21 x Step 22 Mainframe with SD 14 y Mainframe with SD 14 y Dev v...

Страница 49: ...tion Table for This Procedure Table 2 5 Data for Calculation of Gain and Linearity Mainframe Alone Mainframe with SD 14 Vin V Vert Size mV div x 10 x Vert Size mV div y x2 xy Yideal a bx Dev y yideal...

Страница 50: ...mine Displayed Noise CSA 803A 11801B W W Procedure to Examine Noise Step 1 3 8 3 2314 3 2 33 2 3 3 5 2 39 3 2 3 1 1 23 0 2314 3 1 433 01 22 Source Internal Clock 433 01 22 433 1 2 01 22 Enhanced Accur...

Страница 51: ...e Manual 2 29 Step 5 Vert Size M1 Step 6 Def Tra Step 7 Vertical Description Mainframe 1 Mainframe Avg Mainframe 1 Mainframe Enter Desc Step 8 Measurements Step 9 RMS Measurements RMS Step 10 Data Int...

Страница 52: ...cedure to Check Time Delta Step 1 0 5 9 5 04536 05 4 55 0 4 5 0 5 1 18 0 4 55 0 4 0 5 13 3 45 2 0 0 0 04536 05 0 3 65510 3 4 23 44 65510 23 44 Calibrate All 212 62 06 Recall Defaults 65510 23 44 Sourc...

Страница 53: ...0 0 1 Vertical Size 1 Step 11 0 Store Trace 0 Step 12 Next Storage Store Trace 50 0 0 0 Trace 1 50 0 Step 13 Step 14 0 3 Step 15 Step 16 0 4 Main Size 1 Step 17 0 1 Vertical Size 1 Step 18 0 0 Acquire...

Страница 54: ...erences 2 Save Current Meas Values as References Step 33 Compare References 2 Compare 0 On Exit 2 PropDelay 0 0 Step 34 1 Sampling Head Fnc s Channel Delta Delay Sampling Head Fnc s 2 Channel Delta De...

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Страница 57: ...SD 14 Service Manual 3 1 Maintenance Periodic Electrical Checks Static Sensitive Device Classification CAUTION Step 1 Step 2 Preventive Maintenance...

Страница 58: ...0 0 0 2 3 5 1 2 0 0 0 Table 3 1 Relative Susceptibility to Electrostatic Discharge ESD Semiconductor Classes Relative Susceptibility Levels1 1 0 0 1 0 1 0 3 0 10 0 0 2 00 4 00 4 5 1 4 0 0 1 0 35 3 00...

Страница 59: ...Maintenance SD 14 Service Manual 3 3 Exchanging Sampling Heads...

Страница 60: ...CAUTION To avoid damage to the sampling head set the instrument ON STANDBY switch to STANDBY and remove the sampling head from the instrument before removing or replacing the internal circuitry 1 2 3...

Страница 61: ...Maintenance SD 14 Service Manual 3 5 Step 1 0 3 3 1 5 Step 2 0 4 0 1 1 4 0 1 0 1 Step 3 3 1 3 Step 4 0 0 Step 5 3 0 1 0 1 5 1 3 3 0 5 1 Step 6 3 2 Step 7 3 1 0 0...

Страница 62: ...352 85 H 25 1 27 5 203 7 7 7 6 1 1 6 5 3257 21 85 25 H 6 5 52 85 72 1 7 6 03 1 17 7 21 180 5 Step 1 7 7 167580 17 6 72 167 7 6 257 5 8 7 803 5 5266 7 7 2 3 16 21 7 0 6 21752 5 2 5 6 257 5 8 7 803 56 5...

Страница 63: ...2 0 4 0 0 Step 9 0 04 a 0 0 01 0 4 Step 10 4 id 0 0 01 0 4 0 4 0 3 Make sure 11800 RS232 port is set up as follows Baud Rate 4800 Parity none Stop bits 1 Enter mainframe head number 1 4 NOTE When ente...

Страница 64: ...ax NOTE The X s between the quotes represent the current ID number Eight is the maximum number of digits allowed and one is the minimum Any character is allowed except a space character Step 12 Change...

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Страница 67: ...SD 14 Service Manual 4 1 Theory of Operation Figure 4 1 SD 14 Block Diagram System Functional Overview...

Страница 68: ...Theory of Operation Theory of Operation 4 2 Offset Null and Offset Gain...

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Страница 71: ...SD 14 Service Manual 5 1 Replaceable Parts 1 0 0 0 0 0 H H 0 H H 0 0 0 0 0 Module Replacement 1 0 0 H Module Exchange 0 0 0 0 0 1 H Module Repair 0 0 0 H New Modules 0 0 Parts Ordering Information...

Страница 72: ...Replaceable Parts Replaceable Parts 5 2 Item Names Abbreviations Using the Replaceable Parts List...

Страница 73: ...Replaceable Parts SD 14 Service Manual 5 3 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code Manufacturer Address City State Zip Code...

Страница 74: ...ble Parts Replaceable Parts 5 4 Fig Index No Tektronix Part No Serial No Effective Dscont Qty Name Description Mfr Code Mfr Part No ACCESSORIES 4 5 6 1 2 3 Figure 5 1 Exploded View of the SD 14 Sampli...

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