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Tektronix 543B, Инструкция по эксплуатации

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Tektronix 543B Скачать руководство пользователя страница 87

HORIZONTAL

 AMPLIFIER

WAVEFORMS AND VOLTAGE READINGS were obtained under the fol­

lowing

 conditions:

HORIZONTAL DISPLAY

For Waveforms...................................  NORMAL 

(XI)

For 

Voltage Readings

 .....................  EXT

STABILITY

For Waveforms

...................................

 

Clockwise

For Voltage Readings .....................

 PRESET

HORIZONTAL

 POSITION

For Upper Voltage Readings............Counterclockwise

For Lower Voltage Readings............ Clockwise

VARIABLE (External Horizontal)............ Clockwise

Also see IMPORTANT note on Time Base Trigger Diagram

Содержание 543B

Страница 1: ...INSTRUCTION MANUAL Serial Number ________ scanned by matt from wellenkino de Tekfronix Inc S W Millikan Way P 0 Box 500 Beaverton Oregon Phone Ml 4 0161 Cables Tektronix 070 429 464 TYPE OSCILLOSCOPE...

Страница 2: ...ectly to the field there fore all requests for repairs and replace ment parts should be directed to the Tek tronix Field Office or Representative in your area This procedure will assure you the fastes...

Страница 3: ...nstructions Section 3 Circuit Description Section 4 Maintenance Section 5 Calibration Section 6 Parts List and Diagrams A list of abbreviations and symbols used in this manual will be found on page 6...

Страница 4: ...The Type 543B Oscilloscope...

Страница 5: ...to 10 mc with increased deflection External ac Minimum amplitude is 0 2 volt from 150 cps to 10 mc rising to 1 volt at 30 mc with less thon 1 mm of hori zontal jitter at a sweep rate of 20 nsec cm Plu...

Страница 6: ...rs mm distinguish able over the middle 8 cm 1 5 time markers mm distinguishable in the first and tenth cm Type 31 phosphor is normally supplied Other phosphors are available 6 X 10 cm with vertical an...

Страница 7: ...CUS ASTIGMATISM TIME CM VARIABLE Provides an uncalibrated sweep rate ad justment The sweep rate can be slowed to at least 0 4X any setting of the TIME CM switch An UNCALIBRATED lamp lights when the VA...

Страница 8: ...switching transients in the CHOPPED BLANKING position when using multi channel plug in units in the chopped mode With the ground strap disconnected this connector applies Z axis modulation sig nals to...

Страница 9: ...Operating Instructions Type 543B RM543B TRIGGER SLOPE TRIGGER SLOPE Fig 2 3 Effects of the TRIGGERING LEVEL ond SLOPE controls 2 3...

Страница 10: ...be unimportant How ever if you wish to look at only a certain portion of a cycle the TRIGGER SLOPE switch will help start the display on the desired slope of the input signal Fig 2 3 illustrates the e...

Страница 11: ...e by setting the TIME CM and VARIABLE controls Light Filter The light filter provided with the Type 543B minimizes undesirable reflections when viewing the display under high ambient light conditions...

Страница 12: ...ircuit applies a sample of the input waveform to the trigger circuit of the time base The trigger is picked off at the output of the vertical input amplifier Time Base Generator The time base generato...

Страница 13: ...voltage divider only a par of the voltage in crease appears between the grid and cathode of V624B but the full change appears on the grid and cathode of V624A The increase is in the negative directio...

Страница 14: ...approx imately 290 volts this added to the unregulated 180 volts provides the 470 volts However for the unregulated 350 volt output the connection is made at the cerner tap 145 volts of the bridge the...

Страница 15: ...ndary winding on T801 The full secondary voltage of approxi mately 2900 volts is applied to a voltage tripler consisting of rectifiers V832 V842 and V852 and associated capaci tors A tap on the second...

Страница 16: ...sweep generator circuit is basically a Miller runup circuit The sweep generator provides ramp voltages for the horizontal deflection system and the SAW TOOTH OUT connector unblanking pulses and gate p...

Страница 17: ...or are fed to the time base generator where they ore differentiated and used as trigger pulses To explain the action of the time base generator assume it is in the quiescent state just before the arri...

Страница 18: ...e seen the potential at the control grid of the crt must be raised The voltage rise appearing at the cathode of V135B in the time base generator is used to drive cathode follower V183B The signal on t...

Страница 19: ...components in this network R361 and C361 have their value selected by the HORIZONTAL DISPLAY switch The negative feedback which comes from the output cathode follower stage is applied through a freque...

Страница 20: ...NAL HORIZONTAL VOLTS CM switch determines whether the signal is directly coupled to the grid circuit of V324A or whether one or two frequency compensated attenuators is connected to the signal path F...

Страница 21: ...ers Let the filter dry thoroughly before reinstalling Exterior Loose dust accumulated on the outside of the Type 543B can be removed with a cloth or small paint brush The paint brush is particularly u...

Страница 22: ...into the tube socket or onto the switch contacts and ruin the part whereos inadequate heat will result in a poor electrical connection Fig 4 2 Ceramic strip assembly Ceramic Terminal Strips Fig 4 2 s...

Страница 23: ...he following procedure WARNING Be careful when handling a crt Avoid striking it on any object that might cause it to crack and implode Flying glass from an imploding crt can cause serious injury Use s...

Страница 24: ...ground 350 volts Orange green brcwn on white background 225 volts Red red brown on white background 100 volts Brown black brown on white background 150 volts Brown green brown on tan background The he...

Страница 25: ...et properly Then turn the front panel controls throughout their range to see what effect if any they have on the trouble The normal or abnormal operation of each control mey help to indicate the circu...

Страница 26: ...sible 2 Recheck the reaction of the front panel controls and cali bration adjustments on the affected circuit 3 Check the voltage in the circuit Typical operating voltages are given on the schematic d...

Страница 27: ...or equiv alent having markers at 1 usec 10 sec 50 sec 100 sec 1 msec 5 msec 10 msec 100 msec 1 sec and 5 sec and sinewave outputs of 10 mc and 50 mc all having an accuracy of at least 1 5 Test load un...

Страница 28: ...th a click sound after 15 to 60 seconds has elapsed PROCEDURE 1 Low Voltage Power Supplies Measure the output voltage of the 150v 100 v 225 v 350 v and 500 v regulated supplies at the points indicated...

Страница 29: ...he HORIZONTAL DISPLAY switch to NORMAL X1 and adjust the INTENSITY FOCUS and ASTIGMA TISM controls to obtain a focused trace of normal intensity Position the trace behind the center horizontal grati c...

Страница 30: ...ine voltage 10 above and below design center line volt age the gain should not change more than 3 Set the AMPLITUDE CALIBRATOR to 2 VOLTS ond set the Type TU 7 Test Function switch to Low Load Adjust...

Страница 31: ...Set the test oscilloscope sweep rate for 10 msec cm the vertical controls for ac coupling and input signal of 5 volts in amplitude and the triggering controls for a stable display Adjust the TRIG SENS...

Страница 32: ...controls for a stable display Now adjust XI CAL R342 see Fig 5 3 for 1 time marker cm display NOTE Any non linearity present in the sweep will al ways be in the first and last centimeter Conse quently...

Страница 33: ...1 cm 1 SEC 1 sec 1 cm 2 SEC 1 sec 2 cm 5 SEC 5 sec 1 cm 19 Check Variable Time Cm Control and Uncali brated Neon The VARIABLE control provides for a complete range of control between the calibrated TI...

Страница 34: ...lead from the vertical input connector depress the SINGLE SWEEP switch to RESET and let it return to SINGLE SWEEP center position the READY light should ignite indicating the sweep circuit is armed T...

Страница 35: ...LITUDE CALIBRATOR Midrange Midrange 10 CALIBRATED OFF Vertical Position Test Function Amplitude Repetition Rate Other Controls TU 7 Centered Pulse Adjust for 6 cm of signal Low As is 25 Vertical Ampli...

Страница 36: ...With the HORIZONTAL POSITION control move the point at which the lower part of the waveform crosses the small dash line to a point near the center of the graticule where a horizontal ond vertical gra...

Страница 37: ...counter sunk P pico or 10 lz dia diameter PHS pan head steel div division piv peak inverse voltage EMC electrolytic metal cased piste plastic EMT electroyltic metal tubular PMC paper metal cased ext...

Страница 38: ...Parts List Type 543B FRONT REAR 6 2...

Страница 39: ...ssories 10 387 0917 00 100 546 1 PLATE light reflector 386 0212 00 547 1 PLATE light reflector 11 300 0382 00 1 COVER graticule Includes 12 354 0116 00 1 RING ornamental Mounting Hardware not included...

Страница 40: ...ASHER internal x 16 inch 30 131 126 1 CONNECTOR coaxial chassis mounted BNC 31 129 035 1 POST ground assembly Consisting Of 355 507 1 STEM adapter 200 103 1 CAP 210 455 1 NUT hex 28 x inch 210 046 1 L...

Страница 41: ...5 2 SCREW set 8 32 x inch HSS 43 384 165 1 ROD extension 44 358 029 1 BUSHING hex 32 x 2 inch Mounting Hardware not included 210 413 1 NUT hex 32 x inch 45 385 135 1 ROD delrin s inch Mounting Hardwar...

Страница 42: ...ng post 220 410 1 NUT keps 10 32 x inch 59 129 051 2 POST binding assembly Each Consisting Of 355 507 1 STEM adapter 200 182 1 CAP Mounting Hardware For Each not included 210 455 1 NUT hex 28 x inch 2...

Страница 43: ...8 Watt Resistor 211 544 1 SCREW 6 32 x inch THS phillips 210 886 1 WASHER centering OD x V3 inch thick 210 805 1 WASHER IOS x inch 210 478 1 NUT hex resistor mounting 211 507 1 SCREW 6 32 x 4 inch BH...

Страница 44: ...387 853 1 PLATE binding post mounting 87 260 209 1 SWITCH toggle CRT CATHODE SELECTOR Mounting Hardware not included 210 414 1 NUT hex 15 33 32 x 4 inch 210 902 1 WASHER 470 ID x 2 2 inch OD 210 473 1...

Страница 45: ...1 WIRE crt lead 833 foot striped brown with connector 5 05 2 00 1 WIRE crt lead 833 foot striped blue with connector Z 33 520 00 1 SHIELD crt Mounting Hardware nor included 2 0504 00 4 SCREW 6 32 x in...

Страница 46: ...Parts List Type 543B CHASSIS 6 10...

Страница 47: ...507 1 SCREW 6 32 x 5 inch BHS 7 166 357 1 SLEEVE high voltage anode lead 8 210 261 2 LUG solder high voltage Mounting Hardware not included 211 587 1 SCREW 6 32 x 32 inch HHS 9 210 966 2 WASHER insul...

Страница 48: ...SHER internal 4 NUT hex 4 40 x 4 inch COVER capacitor Amounting Hardware For 10 Watt Resistor SCREW 6 32 x 1 2 inches THS phillips EYELET NUT hex resistor mounting LUG solder SE 6 SCREW 6 32 x s l4 in...

Страница 49: ...40 x inch RHS 166 107 2 TUBE spacing inch 210 004 2 LOCKWASHER internal 4 210 406 2 NUT hex 4 40 x 2 14 inch 40 387 753 1 PLATE plug in housing back Mounting Hardware not included 212 004 3 SCREW 8 32...

Страница 50: ...210 0812 00 4 WASHER fiber 10 210 0010 00 4 LOCKWASHER internal 10 210 0564 00 2 NUT hex 10 32x inch 52 384 0612 00 2 ROD transformer standoff 53 343 0006 00 100 238X 1 CLAMP cable inch Mounting Hard...

Страница 51: ...ed 213 104 1 SCREW thread forming 6 32 x inch THS phillips 68 136 010 2 SOCKET 7 pin Mounting Hardware For Each not included 211 033 2 SCREW 4 40 x s l4 inch PHS with lockwasher 210 004 1 LOCKWASHER i...

Страница 52: ...ch BHS 84 Mounting Hardware For 10 Watt Resistor 211 553 1 SCREW 6 32 x 1 2 inches THS phillips 210 601 1 EYELET 210 478 1 NUT hex resistor mounting 211 507 1 SCREW 6 32 x 6 inch BHS 85 441 563 1 CHAS...

Страница 53: ...included 211 0510 00 1 SCREW 6 32 x inch BHS 210 0803 00 1 WASHER 6Lx inch 210 0457 00 1 NUT keps 6 32 x 5 ii inch 92 202 0102 00 1 CAN relay cover Mounting Hardware not included 210 0457 00 2 NUT ke...

Страница 54: ...Parts List Type 543B CABLE HARNESS CERAMIC STRIP DETAIL 6 18...

Страница 55: ...6 00 2 STUD nylon Mounting Hardware For Each not included 361 0009 00 2 SPACER nylon 281 inch 13 124 0089 00 3 STRIP ceramic inch x 7 notches Each Includes 355 0046 00 2 STUD nylon Mounting Hardware F...

Страница 56: ...n 281 inch 20 124 087 1 STRIP ceramic inch x 3 notches Includes 355 046 1 STUD nylon Mounting Hardware For Each not included 361 009 1 SPACER nylon 281 inch 21 124 149 2 STRIP ceramic inch x 7 notches...

Страница 57: ...H quarter turn assembly Each Consisting Of 3 214 400 1 PIN securing index 4 358 218 1 BUSHING latch becrina 5 387 871 1 PLATE latch index 6 387 804 1 PLATE latch lockinc 7 214 359 1 SPRING latch 8 387...

Страница 58: ...387 0918 00 1 PLATE protector 378 0546 00 100 612 1 FILTER light smoke gray installed 378 0567 00 613 1 FILTER light smoke gray installed 6 012 0031 00 100 381 1 CORD patch 012 0087 00 382 1 CORD pat...

Страница 59: ...f all electrolytic capacitors as follows with exceptions 3V 50V 10 4 250 51 V 350 V 10 100 351 V 450 V 10 50 C1 281 534 3 3 pf Cer 500 v 0 25 pf C6 283 006 0 02 f Cer 600 v C9 281 529 1 5 pf Cer 500 v...

Страница 60: ...285 526 0 1 f PTM 400 v C181 281 515 27 pf Cer 500 v 1 35 pf C187 283 001 0 005 uf Cer 500 v C191 283 000 0 001 f Cer 500 v C195 281 509 15 pf Cer 500 v 10 C198 283 001 0 005 f Cer 500 v C310 281 012...

Страница 61: ...Use 283 002 0 01 f Cer 500 v C506 285 526 0 1 f PTM 400 v C513 283 088 0 0011 f Cer 500 v 5 C520 281 022 8 50 pf Cer Var C523 283 088 0 0011 f Cer 500 v 5 C533 283 002 0 01 f Cer 500 v C535 Use 283 00...

Страница 62: ...00 v C760A B Use 290 013 2x40 f EMC 450 v C780 283 001 0 005 f Cer 500 v C783 283 0002 00 0 01 f Cer 500 v C785 283 0002 00 0 01 f Cer 500 v C802 Use 290 190 40 f EMC 400 v C803 283 000 0 001 f Cer 50...

Страница 63: ...194 Fuses F601 159 011 6 25 Amp 3AG Slo Blo 115v 50 60 and 400 cps 159 005 3 Amp 3AG Slo Blo 230 v 50 60 and 400 cps Connector J11 131 018 16 Contact Female chassis mounted Relays K600 148 021 Relay D...

Страница 64: ...W c y R2 301 394 390 k W 5 R3 311 023 50 k W Var INT TRIG DC LEVEL R4 302 104 100 k W R6 302 106 10 meg W R9 302 225 2 2 meg W R12 302 105 1 meg W R13 302 104 100 k W R15 302 474 470 k W R17t 311 096...

Страница 65: ...223 22 k W R123 301 474 470 k W 5 R124 301 104 100 k W 5 R125 311 078 50 k Var LOCKOUT LEVEL ADJ R127 302 101 100 W R128 302 123 12k W R129 302 273 27 k W R130 306 223 22 k 2 W R131 308 077 1 k 3 W W...

Страница 66: ...R163 304 123 12 k 1 W R164 306 223 22 k 2 W R165 306 223 22 k 2W R166 306 223 22 k 2 W R167 302 155 1 5 meg W R168 302 473 47 k W R170 302 470 47 W R172 302 470 47 W R173 302 471 470 W R174 308 294 8...

Страница 67: ...2 223 22 k W R348 302 101 100 W R349 304 473 47 k 1 W R351 302 101 100 W R353 303 303 30 k 1 W 5 R354 323 268 6 04 k W Prec 1 R357 308 310 12k 5 W WW 1 R358 308 310 12k 5 W ww 1 R359 311 460 500 Var S...

Страница 68: ...W R382 310 506 25 k 6 k 5 W WW 1 R384 308 311 24 k 5 W ww 1 R386 302 101 100 W R387 310 614 41 5 k W Prec R388 310 614 41 5 k W Prec R389 302 125 1 2 meg W R390 302 474 470 k W R391 302 103 10k W R39...

Страница 69: ...WW 2 R533 308 307 5k 3 W WW 2 R535 302 184 180 k W R536 302 123 12k W R537 302 685 6 8 meg W R538 302 224 220 k W R539 302 104 100 k W R541 302 681 680 W R543 302 101 100 W R544 315 753 75 k W 5 R545...

Страница 70: ...R601 308 142 30 3 W WW 5 R602 311 055 50 Var WW SCALE 1LLUM R604 308 052 6k 5 W WW 5 R608 302 333 33 k W R610 302 104 100 k W R615 323 369 68 1 k W Prec 1 R616 311 015 10k Var 150 ADJ R617 323 356 49...

Страница 71: ...2 meg W R690 302 102 1 k W R693 302 155 1 5 meg W R697 302 105 1 meg W R698 302 274 270 k W R699 302 563 56 k W R700 R710 R711 306 100 324 458 323 422 10 576 k 243 k 2 W 1 W W Prec Prec 1 1 R712 302 1...

Страница 72: ...35 3 3 meg 1 W R846 311 121 5 meg Var R847 301 364 360 k W R853 302 103 10k W R857 302 273 27 k W R858 302 105 1 meg W R859 302 471 470 W R861 311 026 100 k Var R862 323 391 115 k W R863 323 394 124 k...

Страница 73: ...Lever RESET SW160 260 230 262 244 Rotary TIME CM TIME BASE TRIGGER SW160Y 311 108 SW310 260 207 262 663 Rotary EXTERNAL HORIZONTAL SW360 260 210 262 664 Rotary HORIZONTAL DISPLAY SW601 260 199 Toggle...

Страница 74: ...88 V609 154 052 5651 V624 154 043 12AX7 V627 154 044 12B4 V634 154 022 6AU6 V637 154 044 12B4 V647 154 044 12B4 V664 154 022 6AU6 V677 154 056 6080 V684 154 043 12AX7 V694 154 022 6AU6 V724 154 022 6A...

Страница 75: ...CMD fe 4 TYPE 54 SB OSCILLOSCOPE BLOCK DIAGRAM...

Страница 76: ...Fl rv TVS iMAU VSft 4 VARA VE RTICAU AMPLIFIE R CHASSIS REFERENCE DRAWINGS S CRT CIRCUIT VERTICAL AMPLIFIER 4 TlMl BASE TRIGGER DON TYPE 5436 OSGIULOSCOPE HEATER WIRING DIAGRAM...

Страница 77: ...A 3b5 POWER SUPPLY O...

Страница 78: ...INGS were obtained under the following conditions INTENSITY Counterclockwise Voltaqe readings marked with asterisk were obtained with the control set for normal operation Also see IMPORTANT note on Ti...

Страница 79: ...CMD CRT CJRCUIT 4 TYPL543B OSCILL05COPL A...

Страница 80: ...Input Signal None Test Function TU 7 Common Mode If a letter series or 1 series plug in unit is used adjust the plug in unit Vertical Position Control to obtain zero volts reading between pins 1 and 3...

Страница 81: ...SEE PARTS LIST FOR SEMICONDUCTOR TYPES DON 9fo5 TYPE 5zl3B OSCILLOSCOPE VERTICAL AMPLIFIER L...

Страница 82: ...ise noted on the diagram being used Return controls to the positions listed below before moving to the next diagram AMPLITUDE CALIBRATOR HORIZONTAL DISPLAY SINGLE SWEEP VARIABLE OFF NORMAL XI NORMAL S...

Страница 83: ...ULFERL GE DRAWINGS HtATER WIRING DIAGRAM VERTICAL AMPLIFIER TIME BASE GENERATOR TYPE 5 3 B OSCILLOSCOPE GMO 11 65 TIME BASE TRIGGER J...

Страница 84: ...INGS were obtained under the fol lowing conditions STABILITY For Waveforms Clockwise For Upper Voltage Readings Counterclockwise but not switched to PRESET For Lower Voltage Readings Clockwise Also se...

Страница 85: ......

Страница 86: ...TO CATK PIN 8 VIS3A HOLDOFF C F s HOLDOFF CAPACITORS RESISTORS MRW 4 6 4 TYPE 5456 OSCILLOSCOPE A TIMING SW1TC H...

Страница 87: ...ISPLAY For Waveforms NORMAL XI For Voltage Readings EXT STABILITY For Waveforms Clockwise For Voltage Readings PRESET HORIZONTAL POSITION For Upper Voltage Readings Counterclockwise For Lower Voltage...

Страница 88: ...TYPE S43B OSCILLOSCOPE c HORIZONTAL AMPLIFIES 7...

Страница 89: ...CALIBRATOR WAVEFORMS AND VOLTAGE READINGS were obtained under the fol lowing conditions AMPLITUDE CALIBRATOR 100 VOLTS Also see IMPORTANT note on Time Base Trigger Diagram...

Страница 90: ...TYPE 543B OSCILLOSCOPE CALIBRATOR...

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