Tektronix SC 502 Instruction Manual
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Tektronix SC 502 Instruction Manual

Tektronix SC 502 Instruction Manual

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Tektronix, Inc.
P.O. Box
500
970n
8eaverton, Oregon
070-1878-01
Product
75
Group
PLEASE CHECK FOR CHANGE INFORMATION
AT THE REAR OF THIS MANUAL.
SC
OSCILLOSCOPE
INSTRUCTION
COMMIT TED TO EXCELLENCE
502·
MANUAL
Serial Numbe r
First Printing
ReviSed APR 1986
APR 1975

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  • Page 1 COMMIT TED TO EXCELLENCE PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL. 502· OSCILLOSCOPE INSTRUCTION MANUAL Tektronix, Inc. P.O. Box Serial Numbe r 970n 8eaverton, Oregon 070-1878-01 APR 1975 First Printing Product ReviSed APR 1986 Group...
  • Page 2 Contents of this publication may not reproduced in any form without the written permission of Tektronix, Inc. Products of Tektronix. Inc. and its subsidiaries are covered by U.S. and foreign patents and/or pending patents. TEKTRONIX. TEK. SCOPE-MOBilE, and are reg- istered trademarks of Tektronix, Inc.

  • Page 3: Table Of Contents

    SC 502 TABLE OF CONTENTS WA ItN'NG Pege LIST OF ILLUSTRATIONS • • LIST O F TABLES..• • • • THE FOLLO WING SERVICE INSTRUCTIONS A RE OPERATORS SA FEY SUMMARY. • • • FOR USE BY QUALIFIED PERSONNEL ONL Y. TO AVOID PERSONAL INJURY, DO NO T PERFORM SERVICE SAFETY SUMMARY .

  • Page 4: List Of Illustrations

    Fig. Fig. Page Page The SC 502 Oscilloscope Input preamplifier detailed block diagram Plug-i n i nstallation/removal ..2-1 showing signal current paths ..

  • Page 5: Operators Safety Summary

    se 502 OPERATORS SAFETY SUMMARY The general safety i nformation i n this part of t he summary protective ground connection by way of the grounding is for both operating and servicing personnel. Specific conductor i n the power cord is essential for safe opera­ warnings and cautions wi l l be found throughout the tion.

  • Page 6: Service Safety Summary

    se 502 SERVICE SAFETY SUMMARY FOR QUALIFIED SERVICE PERSONNEL ONL Refer a/so to the preceding Operators Safety Summary. Do Not Service Alone Disconnect power before rem ovi ng protective panels, soldering, or replacing com ponents. Do not perform internal service or adjustment of this product u nless another person capable of renderi ng fi rst aid and resuscitation is present.
  • Page 7 se 50 2 Th e se 50 2 Os cil los co pe 18 78 -1 RE V AP R 19 82...

  • Page 8: Performance Conditions

    Section 1-SC 502 SPECIFICATION Performance Conditions Any conditions that are unique to a particular character­ istic are expressly stated as part of that characteristic. electrica l characteristiCs in this specifica t ion are valid with following conditions: been instrument must have adjusted at an ambient temperature between +20°C and +30°C.
  • Page 9 Specification-se 502 Table 1-1 (coni) Char.cterlstlcs Perform.nce Requirements Supplemental Inform.tlon 1 Hz or less with X10 probe. 10 Hz or less with ac coupling AC LF Response mode Common signal limited to :t 5 divi- Common Mode Rejection Ratio At least 30 to 1 at 1 MHz or less with same sions.

  • Page 10: Horizontal Deflection System

    Speclflcatlon-SC Table 1-2 HORIZONTAL DEFLECTION SYSTEM Performance Requirements Supplemental Information Characteristics Sweep Rates Calibrated Range 0.5 s/div to 0.2 �sfdiv in 20 steps in a 1 -2-5 sequence. X 1 0 Horizontal Magnifier extends fastest calibrated rate to 20 ns/div. Continuously variable between calibrated At least 2.5 to 1 .

  • Page 11: Triggering System

    Speclflcatlon-SC 502 Table 1-3 TRIGGERING SYSTEM Supplemental Information Performance Requirements Characteristics Trigger Sensitivity (Minimum peak-te-peak signal re- Extemal quired) 6 0mV 5 MHz or less O.4div 150mV 5 MHz to 15 MHz 1.0div Coupling Minimum signal requirements extend to dc .

  • Page 12: Cathode Ray Tube

    Speclflcatlon-SC 502 Table 1-4 CATHODE RAY TUBE Characteristics Performance Requirements Supplemental Information CRT Type T3350. Graticule 8 X 10 divisions with 0.25 inch/division (0.64 cm/division). Phosphor P31. Acceleration Potential 12 kV (-1.9 kV cathode). Geometry and Orthogonality Bowing or tilt is 0.1 division or less with (exclude 4 corners) respect to graticule lines.

  • Page 13: Power Off

    Speclflcatlon-SC 502 Table 1-6 (cont) Performance Requirements Supplemental Information Characteristics Mainframe Power Une Draw Typically 29 watts or less operating, less than 1 watt with mode switch set to POWER OFF. 1000 hours 6 months. Recommended Adjustment Interval 20 minutes. 60 minutes after exposure to...
  • Page 14 Speclflcatlon-SC Table 1·8 ENVIRONMENTAL- Characteristics Description Temperature Meets M I L-T-28800B, class 5. Operating O°C to + SO°C. Non-operating -SsoC to + 7SoC. Humidity 9S% RH, O°C to + 30°C. Exceed s MIL-T-28800B, class 5. 7S% RH, to + 40°C. 4S% RH, to + SO°C.

  • Page 15: Section 2 Operating Instructions

    Section 2-SC 502 OPERATING INSTRUCTIONS INTRODUCTION The SC 502 Oscilloscope is a general purpose, 1 5 M Hz, dual trace oscilloscope designed to operate i n two Turn the Power Module off before inserting the plug­ compartments of a TM 500 Series Power Module.

  • Page 16: Controls And Connectors

    CH 1 i nput connector. Setup I nformation 1. Set the SC 502 MODE switch to PWR O FF. Turn the 9. The display should be 3 divisions in amplitude with TM 500 Series Power Module switch to off and i nstall the six com plete cycles (five complete cycles for 50 Hz line SC 502 i nto a Power Module com partment.
  • Page 17 Operating Instructions-Se 502 TII!KVo;aIClNG� se 502 OICILLOICOPE ®@@ 1878·32 Fig. 2-2. Controls and connectors. 2· 3 REV A APR 1980...
  • Page 18 Oper.tlng InstructIons-Se 502 ® TRIGGER VIEW Push button. Causes the sweep Calibrator Jack. Provides a positive going 0.6 V triggering signal to displ ayed on the crt. square wave at twice the l i ne frequency for cali bration of gai n and probe compensation. MODE Switch.

  • Page 19: General Operating Information

    Gratlcule tion can be obtained by applying signals between these The graticule of the SC 502 is i nternally marked on the l evels. Maxim um safe i nput voltage is + or - 1 0 V. Usable faceplate of the crt to provide accurate, parallax-free frequency range of the Z-Axis circuit is dc to 2 M Hz.

  • Page 20: I Nput Coupling

    Signal on the other channel). The i nternal calibrator of the SC 502 provides a con­ venient signal source for checki ng basic vertical gai n and sweep timi ng. The calibrator signal i s also useful for The fol lowin g general precautions should be observed: adjusti ng probe compensation.

  • Page 21: Trigger Source

    Operating Instructlons-SC 502 Trigger Source I n the AC coupling position, the dc component of the signal is blocked by a capacitor in the i nput circuit. The Internal Triggering. For most applications the sweep low-frequency -3 dB point in the AC positi on i s about can be tri ggered i nternally.

  • Page 22: Trigger Slope

    Operating Instructions-Se 502 Use the normal mode to display signals with repetition triggering from complex waveforms, this position is useful for providing a stable display of the high-frequency rates below about 20 Hz. This mode provides an i ndi cation components.

  • Page 23: Sweep Magnification

    This technique also used make ment. Contact your local Tektronix Field Office or measurements between any two pOints on the representative for additional assistance. waveform, rather than peak peak_ Peak-to-Peak Voltage Measurements-AC 6.
  • Page 24 Operating Instructions-Se 502 EXAM PLE: Assume a peak-ta-peak vertical deflection of 4.6 divisions and a channel VOl TS/DIV switch setting of 5 V. Peak-ta­ 5 (channel peak X VOl TS/DIV (divisions) volts volts setti ng) I A I Vertical distance NOTE If an attenuator probe is used, m ultiply the right side ___ _...

  • Page 25: Determini Ng Frequency

    O peraUng Instructions-Se 502 Take the reciprocal of the period to determi ne the frequency. EXAMPLE: The frequency of the signal shown in Fig. 2-5, which has a period of ms is: Frequency = period Rlsetlme Measurement � � I Risetime measurements employ basically the same Horizontal 1 000·20...

  • Page 26: Time Difference Measurements

    The risetime i s 4 IJs. Channel 1 (reference) Time Difference Measurements The SC 502 Oscil l oscope permits measurement of time � difference between two or more separate events. To Illude measure time difference, use the foll owing procedure: 1 .
  • Page 27 Operating Instructions-Se Multi-trace Phase Difference Measurement Channel Channel (reference) (lagging) Phase comparison between two or more signals of the same frequency can be made usi ng both vertical i n put channels. This method of phase difference measurement can be used up to the frequency limit of the vertical system.

  • Page 28: R Ear Interface

    Ch8nnel 2 Unassigned pins are available at the rear connector for routi ng signals to and from the SC 502 for specialized applications (see Rear I nterface Connector ASSignments in Section 5). One or more compartments of a m ulti-plug­...

  • Page 29: Theory Of Operation

    Section 3-SC THEORY O F OPERATION & � � DIAGRAM CIRCUIT DESCRIPTIO N Verti cal Am plifier vertical amplifier provides attenuati on and I n addition to providing constant l 00X attenuation at all amplification for the vertical signal before it i s appl i ed to frequencies within the bandwidth capabilities of the the vertical deflection plates of the crt.
  • Page 30 Theory of Operatlon-SC The operational amplifiers are composed of 0 1 25A, R 1 3D-R1 50. Conduction of 0 1 60 and 0 1 75 is changed by 0 1 50 and 0 1 60 on one side, and 0 1 25B, 0 1 70 and 0 1 75 the amount of this current, devel opi ng the output voltage on the other side.
  • Page 31 Theory of Operation-Se appropriate connections of the trigger pickoff circuit to be i nput channel that is connected to the output am plifier at the end of each sweep. used a triggeri ng signal source for that verti cal channel. The channel 1 tri gger amplifier also supplies the signal to an auxiliary trigger am plifi er.
  • Page 32 Theory of Operatlon-SC � D I AG RAM CI R C U I T D ESC R I PT I O N Tri g ger Pi ckoff a n d G en erator The tri gger pi ckoff selects the i nternal tri gger sig nal. It by the tri ggering signal, appl ied sim ultaneously to the also selects and am plifies the external trigger si gnal to the bases of 0555 and 0565.

  • Page 33: Horizontal Amplifier

    Theory of Operation-Se � D I AG RAM C I R C U I T D ESCRI PTI O N Sweep C ontrol a n d Generator Sweep Control Sweep Generator U650, with additional external ci rcuity, controls the The sweep ramp is generated d uring the time 0670 is sweep generator.
  • Page 34 Theory of Operation-Se pickoff is amplified by common base amplifier 0720. 0720 0700 to be reverse biased to prevent the sweep ram p from provides a l ow i nput impedance and isolati on for the i n put reaching the output ampl ifier. signal.

  • Page 35: High-Voltage Outputs

    Theory of Operation-Se set at about +3.7 V. The i nput i ntensify signal must go more negative than +3.7 V before it controls the blanki ng amplifier output. Pin 5 of nOD All the controll i ng input signals pass through common base amplifier OS1 5, which provides a l ow i nput im­...
  • Page 37 Theory of Operation-Se Trigger cali brator jack on the front panel as a 0.6 V (ground to peak) square-wave voltage. A l i ne-frequency signal is obtained from the secondary of TM Series Power Module transformer and atten­ uated by R905, R907, and R90S to provi de a l i ne-trigger source for the time-base.

  • Page 38: Calibration Procedure

    0° C to +50° C. This procedure checks the electrical characteristi cs of the SC 502 that appear in the Specification portion of t his section. If the i nstrument fai l s to m eet the requirements Tolerances that are specified in this performance check...
  • Page 39 Description Performance Requirements Applications Example Termi nation Im pedance, 600 0; accuracy, low frequency Tektronix part no. withi n 2%; connectors, bnc. response. 01 1 -0092-00. DC voltmeter 0-200 V, accuracy, 0. 1 %. Power supply TEKTRON I X DM 501 A.

  • Page 40: Calibration Procedur.-Sc

    50 kHz and set the amplitude for si x graticule divi sions. generator output connector to the SC 502 C H 1 i nput connector. g. Repeat parts c and d to check t he CH 2 bandwidth.
  • Page 41 Calibration Procedure-SC Performance Check 5. Check the Vertical Bandwidth ( 1 mV/dlv) e. Check-that the displayed am plitude is greater than 4.2 divisions. VOl TS/DIV (CH 1 and CH 2) f. Set the M O D E switch to C H 2, reconnect the generator to the CH 2 i nput connector and repeat parts Return the generator to 50 kHz and adj ust the through e.
  • Page 42 Calibration Procedure-SC 502 Performance Check 1 1 . Check Chopped Operation c. Check-that the positive and negative peaks of the waveform can be positioned to the center graticule l i ne. SECONDS/ D I V M O D E CHOP d.

  • Page 43: Pull X1 0 Horiz Mag

    Calibration Procedure-SC 50� Performance Check Table 4-3 a. Connect the cali brati on generator to the EXT TRIG i nput connector through a 50 coaxial cabl e and set its HORIZONTAL DEFLECTION ACCURACY output amplitude for 0.2 V. SECONDS/DIY b. Adj ust the generator vari able control until exactly 0.5 s/div to 0.

  • Page 44: Source Ch

    Calibration Procedure-SC 502 Performance Check e. Check-that the horizontal opening, at screen m. Connect a 5 MHz signal from the leveled si ne-wave center, is less than 0.4 graticule divi si on. generator through a 50 n coaxial cable, to a 50 n termi na­...
  • Page 45 Calibration Procedure-SC Performance Check m. Release the AC pushbutton and press the AUTO j. Set the SOURCE switch to CH 1 . button. k . Press the SI NGLE SWP button i n. n. Reconnect the generator to the CH 1 i nput connec­ tor.
  • Page 46 Callbratfon Procedure-SC 502 Performance Check f. Adj ust the TRI G G ER I N G lEVEL control fully b. Set the generator frequncy to 50 kHz and adj ust the clockwise. amplitude for a display of eight divisions. g. Check-that the R EADY TRIG'D light is off and the c.

  • Page 47: Prelimi Nary Procedure

    LEVEL (Triggering) As is ±5° C. 1 . Check that the power i s O FF i n both the SC 502 and TM 500 Series Power Module. 4. Turn the Power M odule on by pulli ng the Power switch out.

  • Page 48: Power Supply

    Connect the positive lead of the dc voltmeter to the beam current test point ( located on main circuit board) 5. All ow 1 5 mi nutes for the SC 502 to warm-up and and the voltmeter negative l ead to a chassiS ground. Set stabilize.
  • Page 49 CH 2 i nput connector. Adj ust the tri gger­ i ng lEVEL control for a stable display. Rotate the CH 2 Change the SC 502 M O D E switch to CH 1, along with vertical POSITION control to each of its extremes and...
  • Page 50 Adj ustment Procedure 1 3. Adjust Sweep Offset R681 (Mai n Circuit Board) Change the SC 502 M O D E switch to CH 1 , al ong with the appli cable C H 1 controls, and repeat t he above step...
  • Page 51 Board) and R723 (Main Circuit Board) switch positions. Set the SC 502 SECOND S/ D I V switch to .2 m and the triggering SOURCE switch to EXT. Set t he AUTO tri gger mode push button to its out position. Connect a properly...

  • Page 52: Maintenance

    5 . Replacing t h e c rt wil l require partial i nstrum ent wires . ) Lift the board slightly away from the SC 502 and readustment. Refer to the Adjustment section of this disconnect the S-pin ri bbon wire connector and the two manual (section 4).
  • Page 53 M8Inten.nc�SC 502 5-1. FIg. Replacing the cathode-ray tube, and circuit board removal. MAY 1 980...
  • Page 54 Malntenanc�SC 502 Disconnect the pl ugged-together circuit board assembly as requi red. B. I N STALLATION 1. Reverse the Circuit Board Rem oval procedure. t hen fol l ow the CRT Repl acement procedure. Variable Trigger Holdoff/Varlable Sweep Time The knob i n the center of the Ti me-Div switch is normally used for varying the time per division setti ngs of the sweep generator.
  • Page 56 Maintenance-Se OUlpul « OUIpul or ..LaveI LaveI ActIn PIli '''"' ' Acltv. llee_ended " Loadt o V CIc 50 mVldlv Line., -100 Chllnnel l >10 kO Output Output Chln".l l Ground '2 7 Dellying 5)'11_ Logic Triggered a.,ri. Output See not.' Gat.

  • Page 57: Section 6 Options

    Section 6-SC OPTIONS There are no options avail able at this time. REV A APR 1 980...

  • Page 58: R E Plac Ea B L E E L Ectri Cal Parts

    Changes to Tektronix instruments are sometimes made to Alsembly numbers are also marked on the mechanical exploded views located in the Mechanical Parts list. The component accommodate improved components as they become altail able.

  • Page 59: Cross Index - Mfr. Code Number To Manufacturer

    SC 502 Repl aceabl e El ectri cal Parts CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER Mfr. MaOOfacturer Code SANGG.KJ PICKENS SC 29671 00853 WESTON INC SANGAIo«) RD SANGI\I() CAPACITOR DIV 01121 ALLEN-BRADLEY CO 1201 SOUTH 2N0 ST MI LWAU<EE WI 53204...
  • Page 60 Repl aceabl e Electrical Parts - SC 502 CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER Mfr. Manufacturer 80009 TEKTRONIX INC 4900 S W GRIFFITH DR BEAVERTON OR 97077 P 0 BOX 500 80031 MEPCO/ELECTRA INC 22 COLLMBIA RD MORRI STOWN NJ 07960...
  • Page 61 Repl aceab l e El ectrical Parts - SC S02 Mfr. Tektroni x Seri al/Assemb l y No . No . Part No . Effective Name & Descrip tion Mfr. Part No. 670-3758-00 B010100 B023819 CIRCUIT BD ASSY:MAIN 80009 670-3758-00 670-3758-01 670-3758-01 B023820...
  • Page 62 Repl aceabl e E l ectrical Parts - se 502 Tektronix Serial/Assemb l y No. Mfr. Part No . Effective Dscont NcIne & Descripti on Mfr. Part No. A1C8SO 290-0272-00 6010100 6040399 CAP , FXD, ELCTLT : 47UF,20%, SOV 56289...
  • Page 63 Repl aceabl e El ectrical Parts - SC 502 Mfr. Telctroni x Seri al/Assemb l y No . Part No. Hfr. Part No. Effecti ve Name & Descrip tion A1Ql60 151 -0325-00 80009 151-0325-00 TRANS I STOR : PN P , SI , TO-92 , SEL...
  • Page 64 Repl aceabl e Electrical Parts se 502 Mfr. Seri al /Assemb l y No. TeIctronix Mfr. Part No. Effecti lle Dscont Name & Descrip tion Part No. 19701 5043CX10RROOJ RES , FXD , F I LM : I0 OHM , 5% , O . 2SW A1R210 315-01 00-00 19701...
  • Page 65 Repl aceabl e El ectrical Parts Mfr. Serial /Assemb l y Tektroni x Mfr. Part NiIle & Part No. Effe:tive CEAD196ROF 07716 RES , FXD, FILM: 196 OHM , 1% , O . 125W, TC=TO 321-0125-00 A1R725 19701 5033ED 37K40F RES , FXD, FILM : 37 .4K OHM, 1% , O .
  • Page 67 Repl aceabl e El ectri cal Parts - SC 502 Mfr. Tektroni x Serial/Assemb l y No . Mfr . Part No . Nane & Descripti on Effective Dscont Part 151 -0188-00 80009 TRANSI STOR : PNP , SI , TO-92...
  • Page 68 Repl aceabl e Electrical Parts - se 502 Tektronix l /Assemb l y No. Hfr. Mfr. Part No. Effective N<m! & Part No. A2R394 3 1 1-1594-00 RES , VAR,NO�: TRMR , 10 OHM , O . SW 32997 3352T-1-100...
  • Page 69 Repl aceabl e El ectrical Parts - SC 502 Tektroni x Seri al/Assemb l y No. Hfr. Hfr . Part No. Part No. Effecti ve Name & A2R834 321 -0335-00 RES , FXD , FILM:30 . 1 K OHM , 1% , O . 12SW, TC=TO...
  • Page 71 Repl aceabl e El ectri cal Parts Seri al/Assemb l y No. Mfr. Tektroo i x Part No. NiIne Mfr . Part No. Effective & A3Q520 151-1042-00 SEMICOND DVC S E : FET . 5I . TO-92 04713 SPF627M2 A3Q525 151-0190-00 TRANS I STOR : NPN .
  • Page 73 Repl aceabl e El ectrical Parts - SC 502 Tektroo i x Mfr. Seri al /Assemb l y Mfr. Part No. Part No. Effecti ve Dscont Name & A3R649 57668 NTR25J-E33KO 315-0333-00 RES , FXD , FILM : 33K OHM,5% , 0 . 2SW...
  • Page 74 Repl aceabl e E l ectrical Parts Tek.troni x Seri al/Assemb l y No . Mfr. Part No . ffect i ve Oscont Name & Mfr. Part No . MC10216 P OR L A3U600 156-0369-00 MICROCKT , DGTL : ECL , TRIPLE L I N E RECEIVER 04713 A3U650 155-0049-01...
  • Page 75 Repl aceabl e El ectrical Parts - se 502 Seri al/Assemb l y No. Tektronix Mfr. Mfr. Part No . Part No. EffEcti ve Nane & A4R770 3352T- 1-251 311-1565-00 RES , VAR, NDNWW : TRMR, 2SO OHM, O . SW...
  • Page 76 Repl aceabl e El ectrical Parts Telctroni x Seri al/Assemb l y No. Mfr. Part No. EffEcti ve Dscoo t Mfr . Part No . Name & R674 311-1803-00 RES . VAR.NONWW : PNL . 20K O HM . 1 0% . 1W. RTRY OPST 01121 25M910 ( PART OF S7OO)

  • Page 77: D Iag Ram S An D C I Rcu I T B O A R D I L L U Strati O N S

    Other ANSI standards that are used in the preparation (PF). (0). of diagrams by Tektronix, I nc. are: Resistors = Ohms --- The i nformation and speci al sym bols bel ow may appear i n this m anual. Assembly Number. and Grid Coordinates The schematic diagram and ci rcuit board component l ocation i l l ustration have grids.
  • Page 78 Trig Time Center View ADJ U STM E N T L O CAT I O N S C1 005 Offset R433 R681 C473 A2 F & I BOARD A1 MAIN BOARD 1 878-1 0B C387 CH 2 CH 2 Vert Pos Ste p R394 Beam...
  • Page 79 WAVEFORM CONDITIONS INTENSITY Mldrange MODE POSITION (Horizontal) Mldrange WAVE FO RM S SECONDS/DIV CALlSWP MAG Fully clockwise and pulled ou Trigger Mode AUTO 1980 REV B APR COUPLING SOURCE LINE SLOPE LEVEL (Triggering) Midrange ---- -- -- --j.�t.4 '- - t�.--- -- - Triggered - --- - Triggered...
  • Page 80 B LOCK DIAGRAM Ch 1 Ch 1 Ch 1 Input Trace & Gain Stage Allenuator Vertical Rotation Preampllfler Coupling Vertical Channel Trigger Delay Output Switch View Line Amplifier Switch Ch 2 Ch 2 Ch 2 Input Vertical Gain & Allenuator Preampllfler Slage Coupling...
  • Page 81 -- --- -- r--- ..---T- ---" ----T A1 M AI N B O A R D PARTS L O CAT I O N G R I D - - - '1" --- ---- '-" -- " -r-- -+----_. ----_.-.- ._ ------- -- - --- - t- -..
  • Page 82 Table 8- 1 G R I D G R I D CKT G R I D CKT G R I D CKT G R I D CKT R917 R259 C R 1 26 0720 R987 R260 0730 CR145 C100 R 1 000 R262 CR150 0850...
  • Page 83 M A I N B O A R D +20 V 5 1 0 0 C O U P L I N G R I S "I 6 8 0 V R / 5 6 l O V R I 5 5 R l 2q 2o.2 1 k RI 5 3...
  • Page 84 PlO AI M A l N B O A R D 520 0 +ZOy R2.59 " B O VR256 T � SHOWN I O V RZ5S +20V D C. OC.PL P O S I T I O N R Z Z q 2 .
  • Page 85 A2 F & I B O A R D PARTS L O CAT I O N G R I D SC 502 REV JAN 1 986 G R I D CKT G R I D CKT G R I D...
  • Page 87 � plo A 2.. F I B OA R D +2011 R475 -20V 1 1< R4� q L470 LOWEI? 7 5 . 0 ..D E. F L R44 5 PLAT E 7 1 . S � Q4bS R425 S400 R427 -20V V I E.
  • Page 88 SC 502 REV APR 1 984 A3 T R I G G E R B O A R D PARTS L O CAT I O N G R I D G R I D R947 R949 R951 R953 R955 R956...
  • Page 89 5 5 0 0 S H O W N I N �550A � � IEXT I 5'5'508 -i- - - -1 3 . q� H I.R.'SOO csoo 'I-''' Q '5 1 0 � � R'501 "- TO P 1 - l <:"''500 ' 0 1 - - -...
  • Page 90 AUX z.·A)IC,.I� A V ' Z.�X\� P '2. 0 - '. 2. IN�UT J" ' '11,.' ' ' ' TO P' 2.-�� • -lOV, a.-.- � M <$> "' ''''0 Plo-8 .."'20". •. � 068' +zov I •• Q670 OFFS&T SK &...
  • Page 91 se 502 A4 H O R I Z D E FL B O A R D PARTS L O CAT I O N G R I D G R I D CKT G R I D CKT REV B APR 1 980 G R I D C740 0780...
  • Page 92 R777 R78 1 8 2.0 R 7 7 1 : ; C. 7 7 1 '- :t . 0 1 5 . 1 k G780 +20\1 , C.776 R76 5 .0 I · O IO. 7 k: R773 'TO CRT 33 .
  • Page 93 se 502 AS AUX B OAR D PARTS L O CAT I O N G R I D � G R I D -.---..�-- C881 § � C R B B ! C882§ C883 C88S C887§ CR884 ",�� -�-" CR88S '"...
  • Page 95 P I S F �OO R 9 '3 S R( .;l3<? . ""!> A R92.9 R. 9 0 7 R.90S �9lo 7 LOCAT E D IN I I A -t. ����E �� s' 0 � R934 C940 CR940 C.900 131< 4.

  • Page 96: R E P Laceab Lem E Chan I Cal Parts

    Following is an example of the indentation system Tektronix. Inc. Field Office or representative. used in the description column. 1 2 3 4 5 & Changes to Tektronix instruments are sometimes made to Name Description accommodate improved components as they become available. Auembly and/or Component...
  • Page 97 - se 502 Repl aceable Mechanical Parts CROSS INDEX - MFR. CODE NUMBER TO MANUFACTURER Mfr. COOl! 06229 ELECTROVERT INC 86 HARTFORD AVE �T VEIOO N NY 10553 06484 SHEL Ta. CT 07707 USM CORP 510 RIVER RD SIJ3 OF EMHART I NDlIS TR I ES FASTENER DIV Gl\RDEN GROVE CA 92642 08261...
  • Page 98 Repl aceabl e Mechanical Parts - Fi g . & Tektronix Seri al/Assemb l y No. Mfr. Index 12345 Part No. Effecti ve Hfr . Part No. Name & 337-1399-04 337-1399-04 SHIELD,ELEC : S I DE SOO09 200- 1837 -00...
  • Page 99 Repl aceabl e Mechani cal Parts SC 502 Fig. Mfr. I ndex Tektronix Seri al/Assemb l y No . No . Part No. Effecti� Hem! lit Mfr. Part No. 1-34 211 -0537 -00 TK0435 ORDER BY DESCR SCREW, MACHINE : 6-32 X 0 . 375 , TRH, STL...
  • Page 100 Repl aceab l e Mechanical Parts se 502 Fig. & Tektroo i x Mfr. lrxiex Seri al/Assemb l y No. Part No. Effective Mfr . Part No. 12345 Name & ORDER 8Y DESCR 210-0066-00 8021604 B021641 WASHER, FLAT : 0 . 31 2 ID X 0. 875 OD X 0 . 09 86928 SPRING, FLAT : 73MM X 3 .
  • Page 101 Repl aceabl e Mechanical Parts Fi g . & Mfr. Index Tektronix Serial/�ly No. Part No. Hare Mfr. Part No . i ve 12345 & . ACTR ASSY , CAM S : DI SPLAY(SEE S300 REPL) . (ATTACHI NG PARTS )
  • Page 102 Repl aceabl e Mechanical Parts se 502 Fi g . & Serial/�ly No. Mfr. Index Tektronix Part No. NiJIe Mfr. Part No . EffEcti ve 12345 & 1-148 131 -0963-00 TKD507 ORDER BY DESCR . . CONTACT , ElEC : GROUNDING , PH BRZ , W/BRACKET...
  • Page 103 Repl aceabl e Mechan ical Pa rts SC 502 & Fi g. Index Serial/Assemb l y No. Mfr . Tektronix Mfr. Part No . Part No. Effective 12345 Hale & 2 1 1 -0292-00 8028340 . . SCR ,ASSEM WSHR : 4-40 X 0 . 29 , PNH, BRS NI PL...
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  • Page 105 Seri a l / Model N o . 2 3 4 5 & Code Mfr Part N u mber Part No. Dscont Name Description ACCESSORIES 80009 070- 1 87 8-0 1 MANUAL , TECR : tNSTRUCTtON 070- 1 8 78-0 1 1 980 SC 502 @ APA...

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