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Tektronix SC 502 Instruction Manual

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  • Page 3 COMMIT TED TO EXCELLENCE PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL. OSCILLOSCOPE INSTRUCTION MANUAL Tektronix, Inc. P.O. Box 500 •• 97077 Serial Number verton, Oregon First Printing APR 1975 070·1878·01 Product Group 75 Revised APR 1986...
  • Page 4 1975. 1980 Tektronix. Inc. All rights reserved. Contents of this publication may not be reprOduced in any form without the written permission of Tektronix. Inc. PrOducts of Tektroni Inc. and its subsidiaries are covered U.S. and foreign patents andlor pending patents.
  • Page 5 SC 502 TABLE OF CONTENTS P.g­ WARNING ILLUSTRATIONS • • ..UST OF INSTRUCTIONS ARE TABLES. SERVICE FOLLOWING • • • • • • • USE BY Y. TO QUALIFIED PERSONNEL ONL OPERATORS SAFEY SUMMARY. •...
  • Page 6 SC502 LIST OF ILLUSTRATIONS Fig. Fig. Page Page diagram SC 502 block preamplifier detailed Oscilloscope Input ...... showing signal current paths ..Plug-in installation/removal • • • • • •...
  • Page 7 SC502 OPERATORS SAFETY SUMMARY The general safety information ofthe summary rou n d of the i ng part connection by way this protective conductor in the power cord is essential for safe opera­ is for both operating servicing personnel. Specific e found throughout warnings...
  • Page 8 SERVICE SAFETY SUMMARY FOR QUALIFIED SERVICE PERSONNEL ONL Refer also the preceding Operators Safety Summary. Do Not Service Alone Disconnect power before removing protective panels. soldering. or replacing components. Do not perform internal service or adjustment of this product unless another person capable of rendering first aid and resuscitation is present.
  • Page 9 SC 50 2 187 8-1 Th e SC 50 2 Os cil los co REV APR 1982...
  • Page 10 Verso Filler Page...
  • Page 11 Section 1-SC sua SPECIFICATION Perfonnance Conditions Any conditions that are uniQue to a particular Character. istic expressly stated as par1 of that characteristic. The etectriCal this characteristics in specifica tion valid following conditions: with the been instrument must have adjusted at between ambient temperature +20·C...
  • Page 12 SpeeH l callon-SC 502 Table 1-1 (coni) Ch.,aderi"l� PtfiOlftlanA Requlremenls Supplement .. Informallon less with probe. with Hz or coupling 1 Hz less Response same mode Common Mode Common Signal Rejection Ratio At least to 1 at 1 MHz or less with limited to 5 divi.
  • Page 13 Spedflcatlon-SC 502 Table HORIZONTAL DEFLECTION SYSTEM Supplementa' Informetion Pet10rmance Requirementl Characteriltic s Sweep Rates 0.5 s/div to 0.2 Jts/div in 20 steps in a , ·2·5 Calibrated Range seq uence . X,O Horizontal Magnifief' extends fastest calibrated rate to 20 ns/div.
  • Page 14 SpeclflcaUon-SC 502 Table 1-3 TRIGGERING SYSTEM Supplemental Information Performance Requirements Characteri .tlcs Trigger Sensitivity (Minimum peak-to-peak signal re- Extemal CH1 or CH2 quired) 60mV 5 MHz or less 5 MHz to 15 MHz 150 mV 1.0div Coupling Minimum signal requirements extend to...
  • Page 15 Specltlca.lon-SC Table 1-4 CATHODE RAY TUBE Characteristics Performance Requirements Suppiemental Information CRT Type T3350. X 10 divisions with 0.25 inch/division Graticule (0.64 em/division). Phosphor P31. Acceleration Potential 12 kV (-1.9 kV cathode). Geometty and Orthogonality Bowing or tilt is 0.1 division or less with (exclude 4 comers) respect to graticule lines.
  • Page 16 Speclflcatlon-SC Table (coni) Performanc. Rlqulremenll Sup�emenlal Infonn a tlon Characterlilici watts or less operating. less Mainframe Power Une Draw TypiCally watt with mode switch set to than POWER OFF. hours 1000 months. Recommended Adjustment Interval Warmup Time minutes. minutes after exposure to or storage in high humidity (condensing) environment.
  • Page 17 Speclflcatlon-SC Table ENVIRONMENTAL- Characteristic, Description Meets MIL-T-288008, class 5. Temperature Operating O°C to +SO°C. N on� -55°C to " O°C to +30°C. Humidity Exceeds Mll-T-288008, class 5. RH. to + ° RH, to +50°C. Altitude Exceed s MIL-T-288008, class 5. ft), Operating 4.6 km (15,000...
  • Page 18 Section 2-SC 502 OPERATING INSTRUCTIONS INTRODUCTION TheSC Oscilloscope is a general purpose. MHz, dual trace oscilloscope designed to operate in two Turn the Power Module off before inserting the plug· compartments Series Power Module. in: otherwise, damage may occur to the plug-in...
  • Page 19 Series Power Module switch to and install the six complete cycles (five complete cycles for 50 Hz line SC 502 into a Power Module compartment. Make sure the frequency) shown horizontally. Power Module is connected to a power source that meets the voltage and frequency requirement.
  • Page 20 Operating Instructlons-SC 502 TRIGGERING ® ® ® ®@@ ® 1878·32 Fig. 2-2. Controls and connectors. REV A APR 1980...
  • Page 21 Single sweep is armed or that the sweep is Read the deflection factor over the grey area triggered. when using a lOX probe. ® POWER Indicator. The light indicates that the SC 502 power is turned on. CAL Variable Control. Provides variable un­ calibrated deflection factors between calibrated settings of the VOL TS/DIV switch.
  • Page 22 Operating In"ructlons-SC 502 s in e is marked out, the sweep o pera te the s i ng l e measurements. ti cu l e i g h vertical sweep The g r a with horizontal divisions. Each division is 0.25 inch by mode.
  • Page 23 The i nternal cali brator of the SC 502 provi des a con­ ven i ent s ig n a l source for check...
  • Page 24 . - ' Instructl ons-SC 502 OperaUng p l i com p o n e Trigger Source I n the A C co g positi on, the nt of signal is bloc ked a c a the I n put ci rcuit.
  • Page 25 Operating Instructlons-SC tri ggering from p l ex waveforms, thi s positio n i s usef u l the normal mode to display Signals with repeti t i o n a stable d i sp l a y of the h i g h-freque ncy be/ow about 20 f o r provi d i ng rates...
  • Page 27 Operating Instructlonl-SC ss u m e a pea k-ta- pea k v erti EXAM PLE: defl ection of 4. 6 divi sions and a channel VOL TS/DI V swit ch setti n g 5 V . c h a n n e l Peak-to­...
  • Page 28 Operating Inllructlonl-SC to determ i n e t h e 2. Take of the period the reci procal freq u ency. of the EXAM PLE: The frequency signal shown Fi g. whi c h has a period of 0.5 2-5, i s: 2 kHz Frequency :;...
  • Page 29 Inltructlonl-SC 502 Operating 5. Adj ust the horizontal Posit i o n control to m o v e the 6. Set th e t o produce channel VOL TS/ D I V switches 10010 poi nt of the waveform to the second verti cai l i ne o n about four divisi ons of display waveform .
  • Page 30 Operating Instructlons-SC 502 Ch.nnel 1 M ultl�trace Phase Difference Measurement Ch.nnel 2 (reference) ("gging) comparison between two or m ore si g nals of the Phase same can be made u n g bot h vertical i n p ut frequency channels.
  • Page 32 Verso Filler Page...
  • Page 33 WA R N I NG T H E S E R V I C I N G I N ST R U CT I O N S FO LLOW I N G A R E FO R U S E Q U A LI FI E D P E R S O N N E L O N LY...
  • Page 34 Verso Filler Page...
  • Page 35 Section 3-SC 502 THEORY OF OPERATION <D <8> DIAGRAM & CIRCUIT DESCRIPTION Vertical Amplifier In addition to providing constant 100X attenuation at all vertical amplifier pr o attenuation within the bandwidth capabilities of the amplification for the vertical signal before...
  • Page 36 Operatlon-SC 502 Theory of 012SA. The operational amplifiers are p o s e d of R130-R150. Conduction of 0160 and 01751s changed by 0175 0150 and 0160 on one side. and 0125B. 0170 the amount of this current, d v e l o p in g the output voltage r oss R162 and R175.
  • Page 38 Theory Operallon-SC <?> CIRC UIT DESC RIPT ION DIAG RAM Trigg er Picko ff and Gene rator the triggering The trigger the internal trigger signal. It al , applied simultaneously to the pickoff selects Sign amplifies the external trigger s i g a l to the bases of also...
  • Page 39 Theory of Operatlon-SC 502 � DIAGRAM CIRCUIT DESCRIPTION Sweep Control and Generator Sweep Control Generator Sweep 0670 U650, wit h additional external circuity, controls the sweep ramp is generated during the time 0675 e p generator. I n the automatic triggering mode, pin off.
  • Page 40 Theory Operatlon-SC 502 pickoff is amplified by common base a m p f i er 0720.0720 0700 to be reverse biased to prevent the sweep ramp from vi d e s a input im pe d a n c e and isolationforthe input reaching the output amplifier.
  • Page 41 Operatlon-SC Theory of about +3.7 V. The input intensify signal must go more negative than +3.7 before it controls the blanking amplifier output. Pin 5 of T800 the controlling input signals pass through common O S15. which if ie r provides a low Input im­...
  • Page 42 Theory Operatlon-se controls e bee n i ncorporated r ri v i n Diodes CR885 R 884 provide the rectifi ed n egative a n op­ R894 voltage for o n tro l evel crt display, FOCUS control provi des the control he crt c l grid.
  • Page 43 Oper"'on-SC Theory of jack on Trigger cali brat or the front panel as a 0. 6 ( g round to peak) square-wave voltage. Ii ne-frequency si gnal is obtai ned from the seco ndary Series Power M odul e transformer and atten­...
  • Page 44 SC 502 t h at a p ear i n the Specifi cati on portion of this section. I f th e i nstrument fai l s to m eet t he req u i rem ents...
  • Page 46 Cali bration Procedure-SC 502 Perf ormance C heck b. Adj ust t h e ge nerator for a crt display of exact l y si x Re peat parts a t o u g h d for CH 2. grat i c u l e divisi ons.
  • Page 47 Cali bration Procedure-SC 502 Check Perform ance mVldlv) 5. Check the Vertical t han Bandwidth (1 e. Check -that the displayed am p l i t ude is greater di visi ons. VO L TS/ D I V (CH 1 and...
  • Page 48 Cal i b ration Procedure-SC 502 Perform ance Check 1 1 . Check Chopped Operati on C h ec k-that the positive and negative peaks of t h e waveform c a n b .e posit i o ned to the center grat i c u l e...
  • Page 50 Calibration Procedure-SC Performance Check si gnal 5 M Hz e. C heck-t h at the horizontal open i ng , at s creen Connect f rom the l eveled si n e- wave through generator a 50 0 coaxial cable, to a 50 0 termi center, is l ess than 0.4 graticule di vi sion.
  • Page 52 Calibration Procedure-SC Performance C heck control ful ly adj ust Set the generator freq u ncy to 50 kHz and t he f. Adj ust LEVEL am p l i t ude a display of ei ght di viSi ons. cl ockwise.
  • Page 53 Remove SC 502 Osci l l oscope si de and t o p t h e osci l l oscope to t h e Power M od u l e , covers and connect Before complete cal i brat i o n , t h o roug h l y clean and...
  • Page 55 Calibration Procedure-SC 502 Adju.tment Procedure Adjust Preamplifier i nput Channel 1 " 2 AHenuator connector. Adj ust CH 1 (CH 2 ) PO SI TI ON (Main Board) display. and R235 Circuit control Balance R 1 35 nd the Set the CH 1 AC-GND-DC switch to GND a 0.2.
  • Page 56 Remove th e SC 502 S E C O N D S/ D I V swi tch IJ. and the j umper. p ulse generator for a 1 IJ.S pulse period.
  • Page 57 Adj ust t h e tri g geri ng LEVEL to si ne-wave si gnal its 50% point; i.e., SC 502 SECO N D S/ D I V swi t c h to 5 m a n d o ta te ri g g e r the...
  • Page 58 ) Lift the board slightl y away from the SC 502 and readustment. Refer to the Adj u stment section of t h i s ri bbon wi re disco n n ect t h e...
  • Page 59 Mal nten ance-SC 502 ReplKlng the cathode-ray tube, FIg. 5-1. and drcult board removal. M AY 1 960...
  • Page 60 M alntenanc e- SC 502 6. Disconnect ci rcuit p l u g g ed-toget h er board required. assem bly as I NSTA L LATI O N 1 . Reverse t h e Circuit Board Rem oval proced u re. t he n foll ow t he R e p l acem ent procedure.
  • Page 61 Malntenance-- SC 502 External Z-Axis In Cent� Coaxi,_ Conductor Input A n external Z-axis s i g n al c a n b e used to t urn the off. To do cable from Ground crt beam on or t h i s, connect a coaxial Partial F ..
  • Page 64 Tektronix. Inc. represen­ Fi.ld Offic.or y ou tative will contact concerni ng any cha n g e in part n u mber.
  • Page 65 Replaceable Electrical Parts - SC 502 CROSS INDEX MFR. CODE NUMBER TO MANUFACTURER Mfr. Code 00853 SAN&V() WESTOO SAt@l() RD PICKENS 29671 SAN&V() CAPACITOR POBOX 128 01121 ALLEN-BRADLEY SOUTH 2ND ST MI LWALl<EE WI 53204 1201 01295 TEXAS INSTRUMENTS 13500...
  • Page 66 Parts Replaceable Electrical SC 502 CROSS INDEX MFA. CODE NUMBER TO MANUFACTURER Mfr. 80000 TEKTRONIX 4900 S W GRIFFITH DR BEAVERTON OR 97077 POBOX 500 MEPCO/ELECTRA 80031 COLLMBIA RD MORRISTOWN NJ 07960 83003 VARO INC WALNUT 5T GrlRLANO TX 75040...
  • Page 67 Replaceable Electrical Parts - SC 502 Serial/Assmb l y Tektronix Mfr. Part Effe::t ; ve & Description Mfr. Part No. Ha!e 670-3758-00 B023819 670-3758-00 8010100 CIRCUIT ASSY:HAIN 80009 670-3758-01 B023820 CIRCUIT BD ASSY:HAIN 80009 670-3758-01 670-3760-04 B010100 B041555 CIRCUIT BD ASSY:FOCUS &...
  • Page 68 Replaceable Electrical Parts SC 502 Serial/Assemb l y Tektmrix Mfr. Part No. Effe::t i Ye Name & Oeser; Nfr. Part No. (I'l A1C85O 290-0272-00 8010100 8040399 CAP,FXO,ELCTLT:47UF,20% , 5OV 109D476X0050F2 56289 AIC850 290-0986-00 804D400 CAP,FXO,ELCTLT:47UF,20%,5OV 55680 TLBIH470M A1C851 290-0272-00 8040399...
  • Page 69 Replaceable Electrical Parts SC 502 Serial/�ly No . Mfr. Tektronix Effective Part Name & Mfr. Part No. AIQl60 151-0325-00 TRANSISTOR:PNP,SI,TO-92,SEL 80009 151-0325-00 AlQ170 TRANSISTOR:PNP,SI,TO-92 80009 151-0220-00 AIQ175 151-0325-00 TRANSISTOR:PNP, ,TO-92,SEL 80009 151-032S-OO A1Q225 151-1031-00 TRANSISTOR:FET,N-(HAN,SI 80009 IS1-1031-oo A1Q250 lS1-0325-00 8010100...
  • Page 70 Electrical SC 502 Parts Replaceable Serial/AssBIb l y Mfr. Tektrcnix Mfr. Part No. NaIl! Itt Part No. Efffrtive 5043CX 1 ORROOJ 19701 RES.FXD,FIUM: I0 OHH,5%,O.25W 315-<l100-00 A1R2l0 19701 5043CXI0RROOJ RES,FXD,FIUM:I0 OHH,5%,O.25W AIR211 315-0100-00 OHH,O.2S%,O.25W,TC�T 2 91637 MFF 1 421D99 00 2C...
  • Page 71 Replaceable Electrical Parts SC 502 Serial/Assemb l y Mfr. Tektra1ix Part No. Effective Mille & Description RES,FXD, FILM: 196 OHM,I%,O.12SW, TC=TO 07716 CEA0196ROF 1-012 5-00 5033 ED 37K40F 321-0344-00 AIR727 RES,FXD,FILM:37.4K OHM,l%,O.12SW,TC=TO 19701 5043ED1SK70F AIR729 321-0315-00 RES,FXD,FILM:lS.7K OHM,I%,O.12SW,TC=TO RES,FXD,FILM:46.4K OHM,I%,O.12SW,TC=TO...
  • Page 73 Repl aceabl e El ectri cal Parts SC 502 Seri al/Assemb l y Tektroni x No . Mfr. Mfr . Part No. Part No . Effect h e Nan!! & 151 -01 88-00 TRANS I STOR : PNP , SI , TO-92...
  • Page 74 Repl aceabl e El ectrical Parts - SC 502 Serial/Assemb l y Mfr. Tektroni x No . Mfr. Part No. Part No . Effe::t i ve Nime & Descripti on 3352T- 1-100 AZR394 RES, VAR , NONW.I : TIMl , 10 OItl , O . 5'W...
  • Page 75 Parts Repl aceabl e El ectri cal SC 502 Seri al /Assemb l y No. Mfr. Tektroni x Part No. Effecti w Hille & Mfr. Part No . A2R834 321 -0335-00 TC=TO RES , FXD, FI lJI : 30 . 1 K OHU % , O . 12SW,...
  • Page 76 Repl aceabl e El ectri cal Parts - SC 502 Serial /Assemb l y Tektroni x No . Mfr. Part No. Mfr . Part No. NiIne & Descri 27P{M) A3C660 281 -0543-00 CAP . FXD . CER DI : 270PF , 10% . 50OV...
  • Page 77 Replaceable Electrical Parts SC 502 Serial/Assemb l y Tektl"O'1ix Mfr. Nare Part No. Effective & Mfr. Part No. 151-1042-00 A3Q525 80009 A3Q520 SEMICOND DVC SE:FET,SI,TO-S2 SPF627M2 04713 80009 A3Q530 151-01S0-00 151-01S0-00 TRANSISTOR:NPH,SI.TO-S2 A3Q540 TRANSISTOR:NPN.SI.TO-S2 151-01S0-00 151-01S0-00 151-0342-00 SI. TO-S2 A3Q55O S035S28 TRANSISTOR: PNP.
  • Page 79 Replaceable Electrical Parts SC 502 Serial/Assarb l Mfr. Tektronix Part Mfr. Part Ito. Effective N!m! & A3R649 315-0333-00 RES.FXD,FILH:33K OHM.5%,O.2SW 57668 NTR2S.J-E33KO 5043CX12OKOJ RES.FXD,FILH:12OK A3R651 315-0124-00 OHM,5%,O.2SW 19701 DHM,5%,O.2SW A3R653 315-0622-00 RES,FXD,FILH:6.2K 19701 5043CX6K20OJ A3R655 DHM,5%,O.2SW S.J-E03K9 315-0392-00 RES.FXD,FILH:3.9K 57668...
  • Page 81 Replaceable Electrical Parts SC S02 Serial/Assemb l y Mfr. Tektronix Part Part No. Mfr. Effective Hale lit A4R770 3352T-I-251 311-1S6S-OO RES,VAR,NDNWW : TRMR,250 DHM,O.SW 32997 315-0S12-OO A4R771 RES,FXD,FILM:S.IK OHM,5%.0.2SW S7668 NTR25J-EOSK1 A4R773 CEAD33 2 01F 321-0339-00 RES,FXD,FILM:33.2K OHM,l%,O.12SW,TC=TO 07716 5043CXSl!R0J...
  • Page 82 Replaceable Electrical Parts - SC 502 Serial/AssmD l y Tektronix Mfr. Part No. Name & Description Mfr. Part No. 25M910 R674 (PART RE5.VAR.NO�:PNL.2OK OIfl.lo%.IW.RTRY OPST 311-1803-00 01121 OF 57(0) 01121 R714 311-0642-00 OHM.O.SW RE5.VAR.NO�:PNL.20K W-7707 5W CAM ACTR AS:VOLT5/0IV/AC-GNO-OC 80009...
  • Page 84 ADJ U ST ft C473 CH 1 CH 2 Vert Po. Vert Pos R335 R394 Beam R 873 Ext Bal R 535 TP980...
  • Page 86 502 � > < � WAVE Triggered Sweep -O.7V Trigger <D S ignal TPS7S Triggering Signal Removed <D Trigger at US9S Compa rator US9S Complementary Gate Triggered Comp lementary sign al at U S 95 p i n US9S pin...
  • Page 87 WAVE FOR M COND ITIONS I NTENSITY WAVE FO RM S Midra nge M O DE POSITION (Horizonta l) Mid range S E C ONDS/ D I V CAL/SWP M A G clockwise and Fully pu lled Trigger Mode AUTO ��Lt(- -- -- -- C O UPLING LINE...
  • Page 89 SC 502 Trace R o tation Vertical Delay Output line Amp liller View Romp Q U I l OA - - - - , Sweep Horizontal Sweep H orizon tal O utput Control A m pliller Generalo r Prea m p l i l ier Generator·...
  • Page 90 SC 502 A1 M AI N B OAR D PA RTS L O CAT I O N - - - -- 5 2. 52.5 0 5 1 00 5 1 :; 0 R EV APR...
  • Page 91 .. ------ r T800 U850 -� 1878-16 • -----� .' . 1986 REV APR...
  • Page 92 Table 8-1 GRID CKT GRID GRID GR ID .LOC R 9 l7 R259 C R l 26 R987 R 2 60 CR145 0730 C l 0 0 Rlooo R2 6 2 CR1 5 0 0850 C l 0 3 R264 Rl003 CR153 0855...
  • Page 93 BOAR 5100 � � O �5HOWN DC POSITION JI OO RI25 JIO I ��o CRI,c" R'�O II<. -20V f,.. F Clllt­ +20V , � Q I 2 S B y.. F j - Z O V 1 60.4 K R I 3 5 50 1( Ri ll -2 0V...
  • Page 94 MAIN BOARD +2 0V RISq VR'5� 6 . §.-. F R 1 5 S RI2q 2..2/k R 1 5 .3 QI2SA elso CRISD RI48 RISO RI60 R I 2.<0 4.D2K -2 0 "- ·zov -2 0V , R 1 7 2. RI41 II<.
  • Page 95 ' .-.. +20VZ C. ZIO C2.II� +2 P V2 Q2 2 5 B , ,,<e F t- - 20Va R2.11 501<.. - 2. 0 V C H 2. STEP BAL 52.50 mll/DIV IN I $I-IO'WN POSITION REVAPRI9B6 sc 502. 1878-2.3...
  • Page 96 BOARD +z.ov � 'IR256 R255 +2.0V DC.PL R'2.2.Q 2.2.1 k o.2.25A R22.S R253 R2.30 R248 R2.5O R2"O R2.ZCC> 4.0l/<. -2.0Vz -LOY -20V2 R27Z 4.02. (R245 azZSB R270 � 60.41.:. CR27'0 VOLTS COliPONI NI MUMIIIIlUPL! MVOLTS ..cu-- _ tllll "" "' ..,_�...
  • Page 97 SC 50 2 A2 F & I BOARD PARTS LOCATI ----:"-- R694 • GRID GRID GRID GRID GRID CK T GRID GRII GRID C4 7 6 C895 0320 C331 0830 R336 0415 l475 R338 04 17 0835 33 3 0840 C338 C480 CR800...
  • Page 98 ARTS LOCATION GRID U355 R831 GRID GRID GRID GRID GRID GRID GRID GRID R336 R396 R364 R447 R478 R822 R894· 0835 R338 R397 R449 R895 -See Parts List for R365 0840 R399 R826 R897 serial number ranges. R340 R367 R4S0 R480 R400 0845...
  • Page 99 �l. To F 2 <1> +S" A 3 T 1'1.' GoGo ER SOARD R '\"U � c '!o � a ... 2,0'1' R'!>OO I ,. , ,. 1..11<. � R:n� RA MP R.'!.� � B 1 3 + 5V FROM �...
  • Page 100 CH I P 3 - Z ) Q � " O � TO 1"3- 1 R.�""'\ + o;; V Il.'''' R � 4 1 1·4k R� '8 Z.� 'k (S> 1t� �S (SEL.) I,. , • • 4 C " •...
  • Page 101 80ARD � �.I R445 71.S R425 S400 R427 -:iov VIE. W - 2 0 '1 R 4� 1 �. 0.330 II!!. 8 - ., Q335 ,.,. Q4 10 C· R.4�O «:425 73 2 -20V R4S3 71.'5 Q430 Q� R4 S, 1S.4 2.(11/ -2r:H...
  • Page 102 +20V R475 L470 LOWEr<' 6.4",, 101 DEFL R44S PLATE 71.S � Q4bS -20V -c ov R47& R4�1 R465 10 k 732- R470 '476 1 1 5 C47Q .00 1 C465 R4E>O R480 27 0 73 2 �e -20V -2 0V 0.
  • Page 103 SC 502 A3 TRIGGER BOARD PARTS LOC, 12 : 5500 S600 8550 o� o ort .. Numbers leHet's In.lde pa nthesls Indicate .rd designation. ule connection. :j: Power back of board. -See Parts Hfial numbe ranges. L�t L· GRiD CI<T...
  • Page 104 GRID R947 R949 R953 R951 R955 R956 �I R957 R960 R961 R959 R963- R965 R967 R973 R97 5 R979 R982 8500A 8500B TP940 TP941 TP942 TP980 U595 U600A U600B U600e U650 U930 U950 VR930 U960 VR950 VR969 GRID G R ID GRID CKT GRID GRID...
  • Page 105 S500 SMOWN �550" �O " 1"0 10,,. ,0101 LIN E �� � � JE XT I � C�OO ..;- - - -1 TO P '-3 �'50' ..t� TO PI_ I ") <;"''SOO • � TO PI-Z 0·' �� v LIN E.
  • Page 106 �'5'508 �S50A !I. E '; +'5" � � COVPL.. 11.'510 .."7 • Q'510 � -2° "1 q"7IS� 1 + l : � !5 ' .q40 � ��Io. + lO v 10.'55<. R.t.�o 2.7k �.'1"" c ..:l"7 ItCo40 01..
  • Page 107 Z-Ax .� I NPUT .1..<.6U � .. • 11 ItC7S ..o v �75 �'OOO ��'7Z 12.0M; R410 C.R6. 10 '�K � p" "' 1 . �,�O "" '''OM ... -.--t:3 "!> TR.,,'''' '' � " •...
  • Page 108 _-- _ .. z.. - A)("l5 � P20-',� �� Z(I) ::D m lNPUT r-" ���2J��;:O?� ::DZ XC> N(I) A."� a ,,� <S> ::Dm TO "'0-8 ." ." +lOV... . <SO < M +4.�" R��' Q'T20 $'0 00 44l:k St4QWH ",ss..
  • Page 109 SC 502 A4 HORIZ DEFL BOARD PARTS LOCATION GRID -T--- -- - --f .. 1. ______ ____ _ GRI D GRID GRID C740 0780 R781 C742 0785 R7 83 C744 0790 R785 C746 0795 R786 C748 R 788 C766 R740...
  • Page 110 GoND PQ 8-. Q765 R766 R762. -20'12 1t755 SWEEP CENTER 'i.76k 1t7�O 1i!753 R757 t.4Qk S.IIK R7S"I �2.S0 Q755 GAIN C766 -20V� Z.OO +20'1 FRoM R788 Q745 PQ-7 R7S0 CR786 +5'12 C:78S R74"l II.OK REV c: APR 1980 181f>-28 SC 502.
  • Page 111 :.. Z �;;! ;!! r m,.. :D r +70V3 R,777 82. 0 Q7 80 TO CR.T �ORI� OE.F PLATE R78 3 � C7B� Q.785 �.Ol R77'1 7.5k - 7 0 R768 ''1 Eo C7 75 0. 1 GAI N 2.50 +2 0V A7 8S CR78S...
  • Page 112 SC 502 AS AUX BOARD PARTS LOCATION GRID " GRID � � C881 C882 § > C883 C88S C887 CR884 CR88S OS880* CR881§§ R882 R88S R886 1878-21A R888 R889 R891 VR880. 82 backside VR890. Mounted on Aux board Main board.
  • Page 113 A, F BOARD R8 0e. +Ii.v -3 � t-3 •. 301<. Re lS R80 9 +5"". FROM 331< �,74K � F R O M P II -I Rel3 R82.1 AlJ X +�OV �'2.-A)(\'" 1.2.1(. INP UT R 8 3� C& 34 3 0.11( O.&...
  • Page 114 BOARD cReoo Pll-2<@ C 800 u:o:Q] "JOO CRS'TZ BOARD MAIN '180 0 +"2.0'1 TRAC. E C8 79 LS 9S R893A � i'l'n J�, F1--" "'I' \"7.5"", Ho!tIZ <i> _+70'1 _-70V RB93B VERT +70V SOOK -2K.V "Z R�99 R.89'3C 1001<. CS9S -70V II (I - - -...
  • Page 115 I I I R.90S R.907 �S V LIN� T�I<io TO !;O500 IS * � R.9-a� -a. SOlI R92S R'1'a 7 5.'3<01< O > v ' . 9 0 , 1 . 3 .* .o.c 1'1.900 e.90 0 2.41< I,O,... F 8 1 0 810�...
  • Page 117 This mechanical parts list is indented to indicate item Replacement parts are available from or through local Following is example of system Tektronix. Inc. Field Office or representative. used in the column. your relationships. the indentation Changes to Tektronix instruments...
  • Page 118 -- ---- - - - . Repl aceabl e Mechani cal Parts SC 502 CROSS INDEX MFR. CODE NUMBER TO MANUFACTURER Mfr . 06229 ELECTROVERT HARTfORD AVE MXMT VERt«lH 10553 07707 USN CORP 510 RIVER RD SHELTON CT etiART INDUSTRIES I NC 06484 USN FASTf.HER...
  • Page 119 Repl aceabl e Mechani cal Pa rts SC 502 Fi g . " Irxec Tektroo i x Mfr. Part No . EffectiYe " Mfr. Part No. Serial /AssatiJ l y 1 - 1 337 - 1399 - <l4 HalE &...
  • Page 120 Repl aceabl e Mechani cal Parts SC 502 Fi g . ,. Index Tektroo i x Mfr. Part No . Effectiw NiIre ,. Descri Mfr. Part No. Serial/Assemb l y SCREW, MACHINE : 6-32 X ATTAOU NG 80009 1-34 21H537-00...
  • Page 121 Parts - SC 502 Repl aceabl e Mechanical Fi g . & Index T ekt1"Q1i Mfr . Part No. & Mfr. Part No. Seri al /Assmb l y WASHER , FLAT : 0 . 312 10 X X 0 . 00...
  • Page 122 Mechanical Pa rts SC 502 Replaceabl e Fi g . & Index Tektroni x Mfr . Part No. Mane & Mfr. Part No . Serial /AssartJ l y Effect i ve . ACTR ASSY , CAM S ; O I SPLAY( SEE S3 00 REPL 8028340 .
  • Page 123 Repl aceabl e Mechani cal Parts - SC 502 Fi g . & Index Mfr. Mfr. Part No. Hale & Tektronix Serial /k>smtIly Part No. Effld:i w TK0507 ORDER BY OESCR 1 - 1 48 CONTACT ELEC : <lROl.flOING, . . SPRING, FlAT : 0 . 885 X 0 . 156 CU BE...
  • Page 124 Repl aceabl e Mechani cal Pa rts SC 502 Fi g . & Index Teldrmix Mfr. Part No. Effective Ncne 3. Mfr. Part No. Serial/�ly 2 1 1 -0292-00 8028340 7Bl89 ATTACH ING -186 . . SHIELO , ELEC : RI GHT , CKT BD MIG...
  • Page 125 REV MAR 1 984...
  • Page 126 § SC 50 2...
  • Page 127 2 3 4 5 N a me & Description ACCESSORIES Dscont TECH : MANUAL . 80009 0 7 0 - 1 8 7 8-0 1 0 7 0- 1 8 7 8-0 1 INSTRUCTION APR 1 980 SC 502 L·...