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Tektronix Refrigerator TM 503 User's Manual

Contents

1. e ME NEE E DS ee B DEE u E EE Ux ANS AMAN aS SE ea SE AMI GE athe CTA TII RIA AE EN gereed ativan bie EN Nen ef nod toned MI ENA EE EE Te Me e qom AE ER MINIM AUIS GE I A IAN A NI OO eine AL MESON GR Sane ae De unte ID LINDEN Ee UO DEIN 8 EE SG N OE RANA AN fees EE 2 S EA EE NE E AMD PA RI ES e ERAN Yan SEMEN NE db kena aven A NL TNR TP QI EN OE NNI IQ ne QD eet ber ste E seran a Ng EDGE ec apes hho leas ATAYA TR LEED ELENA RR WISAN ANDA TANI NINE ADN ORNE mwa EA WE SEE TINTA NE TOL A oad iy EN ey Lio aor NN AA EE s TN RSE RRS ae ae NNI TR EDIT Ne AS E 9 ANSA 8 7 x d 2 G C d AS WEEE A Ne VAN RP EN IAEA NE SSN NTN ENN ENG N eo s EN Poe ere re tee ere rn e 5 eva 2 2 Neely LAIT SN ASA SINN ure rr NAL TI CONCRETO IR
2. age u ere 9 pap 283 0004 00 283 0004 00 283 0004 00 152 0488 00 152 0198 00 152 0198 02 152 0198 00 152 0198 02 159 0003 00 een 131 10 78 00 131 1978900 131 1078 00 151 0373 00 151 0349 00 151 0373 00 151 0349 00 151 0373 00 151 0349 00 308 0704 00 301 0202 00 301 0202 00 302 0102 00 315 0511 00 260 1222 00 260 0551 00 260 0551 00 120 0792 00 120 0793 00 REV D OCT 1979 Serial Model No Dscont 5010100 98 8113670 8010100 9 8113720 8010100 8060000 B010100 8060000 B059999 5059999 8010109 9 8040000 Replaceable Electrical Parts TM 503 Name amp Description CKT BOARD ASSY INTERFACE STANDARD AND OPTION 7 ONLY CKT BOARD ASSY INTERFACE OPTION 2 ONLY CAP FXD CER DI CAP FXD CER DI CAP FXD CER DI CAP FXD CER DI CAP EXD ELCTLT CAP FXD ELCTLT CAP FXD CER DI CAP FXD CER DI CAP FXD ELCTLT 0 02UF 1400VDCAC 10 02UF 80 20 150V 0 02UF 80 20 1509 0 02UF 80 201 150V 4500UF 100 02 40V 4500UF 1 00 03 40V 0 0 0 80 20 500V 0 01UF 80 20 500V LIOOOUF 100 10 15V STANDARD AND OPTION 7 ONLY CAP FXD ELCTLT 18 000UF 100 10 15V STANDARD AND OPTION 7 ONLY CAP FXD ELCTLT OPTION 2 ONLY
3. Wer 552 KR UA nk Marg ANA tet fh Ea nO DW ARP no W AT gen SANN inte SAL n Seef SEE Ses Ne en rtt E 8 God WARE ARE N e FT a ka an n AWA YS E y d n ee e L Lead eme sc 4 2 VELKE 8 EB st Set tae 5 EN i Wasika RnR 1 qute L WE pipo RING ALI ALINE MM Ny wHlx3 7 NENN EE N FA ERA AE TEE EE OE BEE EER EN ELE ig x 7 MEET 3 v LASA i rd WR 4 d recur Vanni men AK REN MOSO MAS e DEP BS EE A eren 4 9 6 AE EE TE IN MA IAE Gd vike nr BIO TOT 4 MOD L anak na NA GET I IER TE rate Nand edie POI EA Sere BA Yn M o ND aor LEMONS rr eyan m ia CRE trl I elit Ye EE AE MIR N T N EE KA ER rile roe iet N Da ETE ES EEN PR EN EVER ME N CR 2 ME a Met KD MU 8 5 N f WM 2 w x a AN VN gt 2 RIR T AAN N SE vien 12 E z 1 Got N Ct a i ity 2 3 Net Geng os 1 Ws SE OE TAR MEM EUM CRT PARNER sass gt
4. 0 p A y Toi 5 d 4 MANUAL CHANGE INFORMATION At Tektronix we continually strive to keep up with latest electronic developments by adding circuit and component improvements to our instruments as soon as they are developed and tested Sometimes due to printing and shipping requirements we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Since the change information sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your manual is correct as printed SERVICE NOTE Because of the universal parts procurement problem some electrical parts in your instrument may be different from those described in the Replaceable Electrical Parts List The parts used will in no way alter or compromise the performance or reliability of this instrument They are installed when necessary to ensure prompt delivery to the customer Order replacement parts from the Replaceable Electrical Parts List CALIBRATION TE Calibration Test Equipment Chari ST EQUIPMENT REPLACEMENT This chart compares TM 500 product performance to that of older Tektronix equipment Only those characteristics where significant specification differences occur are listed In some cases the new instrumen
5. REN ROEPEN A VAZE KAN N EPEAT ISSN ENGEN ENE AEN da EEE TEES ANA RNC NGA LPL PN EE AMAN OS ED ES YTS od 1 ARE ARR EAN EE Ze ALEN AL N ERAN NEK SE DEA al NEAR EN SN RR AN NANNAN NS eis Ye rn AES RE RASS INA AMT FRR Ne A NN PASSEN SAONE ANO SEDE EPE PEPE DER NEALE EE MINA Pd ET RA KAD DAN AA e SAN NO t AA EN PATENS DEE e E EE PE PA Y MAI DS ROP ARAN RTI SRN ENO ERE MATTIE MARLENA TELE NS RRR Rf INSANE AT PLIN AA I E u AY hene kn a KATRE SPE PONE WALLER SITIO A ROG ER 0 NARA PESTA ARTE AT GOOD FDR OE ATE EN NIA ES ANON i MENSAM MANI ENEN DRS FRR INARA IR RAD EUN Ne EE EE E Wer Se REP ODE PS gt b MA NIA NEN DEE AN NEN er lt n hate Fa 2 OS D RAN Q EC NY EA AYAR AES SATYN TOROS Y TY OSE STA AND AN RACES E ERAS EN EG aoe NAA L ATA RN AN SI YEN D ee IT NARI ANE SENATE TEE TAA DIS d EE SOS VENAE TAN ANNA SENDER SA e ATS SAN A y REA RY TA DES EE A
6. eee reyen A L ae AM ENE NENN E Dar re NTR Beton dd H H ANITA bee a NE E NIE TEVREDEN DEO Ar RRR EE NO RE eA ZE SER RES ayet e sev a A 0 H DEE MI ASE RE EDE SE RE NI ee MM ANNEER ye EN NAY AM SIN A RON RE ERIE DME Mr ye rette rere NDS Hers EEA ipee Ur RRR ie tenn d PRESEN SEVEN SEN ree EN ANNIS ORE NAMA pim WERAN NAN N INES CTE LT DAN NI PEAT ELA AOTER RST OTE RIN NTR REN RRR RR RET M e ANNE NT I rine UM waa ee e sagt De rere NN EM NA ai TA WE re A ne heen CO GR DE NNN 290 ED care Meee EY L ERN 2 OEE EE EE PD Pa Nares Nate AAA AW AA e dee ED PN PN sec ee de One ER n us ss i vrang Le UAM SPSS I TR ET A ei YO d KEE Meri e den 2 M Z MNT SUES CS Lee MITAD AS estate erer N 4 3 DER 2 a exe 2 0 OORT N ERGEN Ee f SE EES S
7. Yey GUN zi 6 8 DOE DOCE CES Mee ret D aar Nabe M KWA 0 Lat A A ZAN Art e GE 5 5 qed rend A WAN DWA ES EO 4 AASAD 5 0 KAPEL BERG Zei ISS 7 A gt jer ISSN SR eo SE EEN BEN k NS ot kousen EH El ERNS Z WE AYA N NW A MS key etan 8 DOREM ono LECHE d rt 7 ot oe Naat ATI NEE Ee 2 We en sis VEER AN cA We 2 PS SEA Fe MAN VIMNPIMUNTDLNSA rn HE ree KEE MM MG E REN Ed n TES d AMANTI MICE RA LON NE ATA SY IAN an Set KR NAND ED HEI R 4 SPY 3 5 VUELVE GE 7 2 EERSTENS A ee tie N NEN ANTENNEN I ESL S 2 ANN AIT IMON IRN ETT E ES ANA xWe NS ER AA en ERAS Kal 5 NENNE AEN AM A SEs i MAIS S Y DINDA ne NE ana A E M A Ye AR S N RE DT eg Le OS S Belin wan EA VONT sere gesq eer get EO E i Meet er EE ERG ZAN ceeds EN MAI DEE dk NET SR Ween ROG PEDES ODEO EID e GN i ANM NSS SESS SES ESS fe EN p 7 OT 0 Fag er M pie rp eee Deen ant Rvs TC le Le se Vs sos eta oe e w VAM H te Sere DERDE READ ASYE REG SAN MENN m ip vn ee e NE eee e 5 h eMe rane ee Need re
8. the operation of the part of the instrument that may be affected REV C JAN 1975 See manufacturer s specifications sheet Power Transistors i Heat System Maintenance TM 503 Pin 3 Ground Pind Input Pin 2 Gutput Regulator O s dissipator may be applied to some metal cased transistors Metal Cased Transistors Integrated Circuits Figure 2 Semiconductor device lead configurations found in the TM 500 family Replacement semiconductors should be of the original type or a direct replacement Figure 2 shows the lead configuration of the semiconductors used in this instrument system When removing soidered in transistors use a suction type de soidering tool to remove the solder from the holes in the circuit board An extracting too should be used to remove the 14 and 16 pin integrated circuits to prevent damage to the pins This tool is available from Tektronix Inc Order TEK TRONIX Part No 003 0619 00 if an extracting tool is not REV C MAY 1975 available use care to avoid damaging the pins Pull slowly and evenly on both ends of the IC Try to avoid having one end of the IC disengage from the socket before the other end To replace one of the power transistors mounted on the Power Module chassis adjacent to the interface circuit board first unsolder the leads Then loosen the nuts which clamp the transistor to the chassis Remove the defective transistor W
9. DYRLNE NIYA NG 9 3 20 X SU d Go A pan EEN wive ge er ment en uu nr PPM wenn PEE sees TELE TM 503 PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become availabie and to give you the benefit of the latest circuit improvements developed in our engineering department It is therefore important when ordering parts to include the following information in your order Part number instrument type or number serial number and modification number if applicable if a part you have ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number DOX Part removed after this serial number FIGURE AND INDEX NUMBERS items in this section are referenced by figure and index numbers to the illustrations INDENTATION SYSTEM This mechanical parts list is indented to indicate item relationships Following is an example of the indentation system used in the
10. TOU E AARD ND EN E vel ad ASPE L ns EE cf o VAGA Vo 1 0 SOE fe MM eren WAN te mH xa ux w Me M Rv 5 ba aa m 7 s r vr ss Perle ee e 2 3 Pettey memwa EE nA 4 ORNS NE HAMAN tna ku WT fU NI DA N tea T AA ETAN NE NARE VEE LON SANIT aausva HEE EAA NMOHS SLN4NO WO 3 dO 3015 Ova NO Ki TYD A fwan y Pei oer m 7 C K AN YE DW PIN i d EL EE WI W ir eee Toc AREND SAN RAY UR ERE e gt wt vi ar RS mmy o Make AINSI ki ns I ve NOD ET fet EE RRM M papan A RASAN Ay n N ie ROAD gt av 7 f 0 ML ar Bati KEK SEER pue k 5 3 fwa tot Gi n H qnm un 3 gt LE f M yee ENAM 2 age 5 5 H eeh SES IE er AEE RY NA e t YAI ur ttt HOE VER BEL N ph DEN RARA NEYE S aos Se NN ee e YANDA TE LET H NIN HARA dtan piet EEN Men ELE EEN FEE fan SEN Min AN Eh wA e KIN ANN 8 0132 a i em A REEN RIEN var eit m M 7 T
11. UiNIS4 A G LL r u pu m OVA SLL 9 8 9 03 ON 9 558 59895 NAN JO 1280310 3 L DA pe40111 A GEE 8 4 384 Uotuul o 56 6 peel PIBILS 994407 9 8 1 OL sseg S61195 ANd 19 Peel 02 LI 24 pee A GET L BuipuiM OV A Sc 51 vi SL 91 LI 8l SL sjuauluBisse 383965 10j SJENUBUI EPER di ur Bnjd 03 4ajey 53 9 L ubisse o 1090900490 ON ZZ EC vi Sc 9c LT 82 8 vL gi 9L LI 81 6L 06 LZ Le ET ve Sc 95 8e Buipuim SZ oa peel A G ii uinjeal A 4 84 UOWLUOD A G LL Buipuim JWA SLL SSE d salle NAN HO PES ase SSE J S91195S NdN jo peo 312 oa PHI A GEE 4 394 A GEEF 959 41 5914956 ANJ 10 pee 18331047 5594581495 10 peaj eseg DG 852538 A SEE Burpuim OWA SZ sjuouubisse 2tgtoeds 104 SJ PO ui bnjd oi 49104 5130 81555 O luauewied ON SLNAWNDISSV Nid JIVJdAJINI 609 WNL 1 9 6 NAP O Aat 0 n EN ozo gj pro Ev ZID 94 29 cv OLD ga O7 9a v3 Seo sa GE 91 DET 93 GED CH GEN 95 gri 3 DC CH og 50 OLT PH Z29 YO cH 022 U 5 na lt Le he Beal sie am PAM p ve PERSE MEN L TRIER ARIA ANE ee PC iN e fer YSN MN ie DUE Seet aye RE
12. NEEN Tasu MIN esse a Does GER DWA DROS ESTAS SINE TN NA AA LAU SENI BEE ED AN Aur N Ee ee gen RE VD fF triste Saas TESS Amen MENN SET YOL ese MO ed UNS Fat DAE ENDE RE AN Ad op ee yo Ns EEN SESE Z DOE E SE IM HAS SANE Enn er NNI S RERIG e NS AINT ANNIS m 2 7 6 NN A ENE a MIS KE RA RRS EE EE 5 RRR SEN LODS Me 2 5 MENS nm EE NC AMA DEE Lee EE EE es RES 3 S NEAN CH 6 T ESP ASPIRIN N EA ES DE TRANS ANN RE NAM 2 NT ENE ine Ss n ROES w on gt MEAS DANAN EDO tess M 7 ioe a P DN 2 GEN A NIMM NGEN MM BRR 8 unai fa RE 2 RR SALYE 2 2 ANTES NIMM 2 Taw PEEN AT EA EG L NNNM 5 ERG 5 N fus 2 2 REE senn VEM A 7 eI ES REED 5 WIN NUI ANE 8 MINE A FAN iste MIN SEN SES Ivy Na NEE NP ZENE RR 5 e 0 NET rr rrr 5 1 M CA DEO EACH ire DONN EE Ye INS ss ES 5 n RE AES GE 7 NNI NASA n NAY w DERBY RSE TAK RNR ki SE EUN AI H iMi 9 0 2 ERE SANS RES ERN INNO M MM 5 0 EEG M QD AN ee b e 7 PC AMNES 2 MIS 4 E
13. er Nn H i ure ae LE RA det ke jo ie eel seren ae 08 9 eye ete n bre e TY R aa N t NHK MK d i ar 8 Ee a 5 5 Ner BHL E on ka er er ECG GK paste e ER cyan 42 TE tL etre RSS pesen esera ke A DO e ret YOU 2 1 d KA EN 2 en E a ee Re H ive reeet eee maen IM eee hank niet e EE e eee gage eeN er Meye WL Se e a A EE ML k KI EUR E IMPIIS r 8 s d Vet 0 rette AN DEE luge ty BMV nat ke te e gente H MEE i PAPE CEDE HEC ate SRE whe LU ME AE EE M EE EO ian i erin ots ORE Fr eed se m Vern ee m Hort EE RL Er Ee Ke Ae AC GEN a Le e H KEE Ee ER e d EE EE H SA E eels IUD de eN De ee OK EE IS ats 0 n E e en on 0 H verle 3 Sief 0 5 E dE AER Rd ECL ELEC a DO Vet H 0 2 1 MIU wet ete a gute ew nn 7 DS LV d RE Re 8 EG taw j e onhe uo Dan oua va sa p ina 0 AA dE
14. Marsa man vA H PN yet pet Goman gouvene Fig 8 index No i 1 10 1 2 13 14 x 7 18 19 20 3 24 25 Tektronix Part No 390 0285 00 390 028 5 01 390 0285 02 211 062 0 211 0622 00 212 0112 00 Edid am am 367 0171 00 210 0586 00 210 0958 00 211 0012 00 210 0783 00 210 0993 00 348 0187 00 211 0511 00 348 0026 00 348 0027 00 348 0348 00 348 0275 00 390 0274 00 390 0388 00 390 0438 01 211 0105 00 meb den 390 04 38 00 348 0208 00 348 007 3 00 211 05 32 00 210 045 7 00 348 0207 00 3 8 00 74 00 11 03 32 00 210 0457 00 351 0334 00 351 0379 01 213 0254 00 211 0087 01 351 0286 00 351 0286 01 351 0286 02 351 0286 04 351 0286 07 211 0101 00 213 0814 00 211 0038 00 213 081 3 00 131 1254 00 2 0 REV L OCT 9 Eff 8010100 8030000 8090000 8010100 8030000 XB060000 5010100 5010100 58010100 8090000 B090000 5010100 8010100 8010100 8010100 8010100 8080000 5010100 5062279 8080000 XB080000 XB080000 8080000 X8080000 XB080000 X8080000 X8080000 XB080000 X8080000 801010180 BO30000 B010100 8030000 8010100 8020000 8070000 5090000 5121600 8010100 8121600 8010100 B121600 Serial Model No Dscont BO29999 B089999 8029999 B089999 8089999 5089999 BO79999X BO7
15. eee ae ENA ANN Ne Q MIN MENAS Cd WM A ND ODAN d 2 EC AN MIN TARNEN PAN EE PEYE ANN NNN N E PE A AN EAN DIN ONS PRR REP E SACRE DEN SESE ATA NON SIR RENE NS NE KS TA ED BTS Ge AA A NIRE bee ET I de 0 H ARNA NN NAP AAA OR NATI RS AEN NR REN SAN DAYA A DEZE LER AN AN DP REN INSANE INA PENNE A T DA AN TAA ES VIA AS ES ED DC ESE N ARE ARTEL DS oa ACT NARI 7 RED n INA TAL YOU y A M PAN ANZ ANA EE NP KEU 2 kitan APN REEDE Mama ORR len EN eie AUDIANT GED SNN ie NAYIN ASE NA LOUE DERE ANN Nahe EME NANAN SISAN A A MI RINT Red SHAS IS A AN EN VANA KIN E ee YAN 7 RRR Dr NAT EYE RE EG SNS RE NIK EN SCORE RS NES rth A AN LIN Aa ase A AEN YN ANN EE AN been E OEE testa tes ANTE CG EEN AW ANN Min MMA d pa T Ss SANA SR eet ON SEN SEMA IN INPN SLA teat A KENYA EE EE SISTA AR EN NENDE EE REDEN Avie M Nes boyo A PATAT AN
16. er atin DOER GR an A e GERE EEE AO E EE E EE ttn eye tenes SONS AE CAE 0 DERE NNN OE OG EDGE Zeng PN RE ERC PUES PONS ED GE I EKA e NEN aree SOS Mp eere irre frt N e e s Sh HEMA Merwe di bh 0 eg SEER Nee Re A IH AIRE Ae pr Me LEO EEN Me DR ED DR EEN tue NN ch KEE EE EE RE RR OOS ENEE EA Ve NEE Ee 3 iN TEN NPS AWA MON YOL ROSE SIISE An bve oh ON inay A EI OE ENG GE EG AAE YE ERE RRL TESS VIMUS ORE ebe eRe pay etit ite EE MEINE LNS T VeL i BEREA B 8 SESE AY N NA pans HESAS NAN Ma DE ENE NENE rene ES LID EEEN BAR DR EN QE A Hy ORR RO OF LE e p Ne e EN rere en yee ee ENN teers ver Sereke ZENE NAN A webe OS SNES y A erne SO ee e DN IN ee A ee APP EN SINN A PM L uy Qe N DEM AGA YANA zeve Hene IYANE SIM AN TDR NR ES re HA za Weren rented
17. 2 Y D ena ree N uf Pts a Ie Tet A 0 RIWWER ER CAE Wi m AB Je Pi PROC Sr ISIN e LAN MEASUREMENT a TANK Operating Instructions TM 503 members For instance some classes are Power Supplies Signal Sources Measurement and so forth Each modular member of a functional family will have a second slot peculiar to its family assignment located in its edge connector The TM 503 user can program one or more compartments to accept only members of that family by installing a second barrier in the interface connector to match the module s siot location Entire TM 503 s could be programmed in this manner to set up instrumentation systems for specific work functions For extra barriers order TEKTRONIX Part Number 214 1593 02 r Jumper wires can be used to further specialize the interface Compartments can be made to talk to each other by connecting jumpers on the back side of the interface board using pins 14 through 28 A side and B side both of the interconnecting jacks See the following description of catalog Option 2 Refer to each plug in module s Manual for the 1 0 assignments of each pin at the reat interface Once having made interconnections of a specialized nature it is recommended that barriers be installed on the interconnecting jacks to insure module compatibili
18. CAP FXD ELCTLT OPTION 2 ONLY CAP FXD CER DI CAP FXD CER DI CAP FXD CER DI SEMICOND DEVICE SEMICOND DEVICE SEMICOND DEVICE 11000UF 100 10Z 15V 18 000UF 100 10Z 15V 0 02UF 80 20 150V 0 02UF 150 0 02UF 80 20 150V SILICON 200 1500MA SILICON 200V 3A SILICON 200V 3A SEMICOND DEVICE SEMICOND DEVICE SILICON 200V SILICON 200197 3 FUSE CARTRIDGE 3AG 1 GA 250V SLOW BLOW FOR 120 VOLT OPERATION FUSE CARTRIDGE 3AG 0 8A 250V SLOW BLOW FOR 220 VOLT OPERATION CONNECTOR RCPT CONNECTOR RCPT CONNECTOR RCPT 28 56 CONTACT 28 56 CONTACT 28 56 CONTACT TRANSISTOR SILICON PNP TRANSISTOR SILICON NPN SEL FROM MJE2801 TRANSISTOR SILICON PNP TRANSISTOR SILICON NPN SEL FROM MJE2801 TRANSISTOR SILICON PNP TRANSISTOR SILICON NPN SEL FROM MJE2801 RES FXD WW 8 8 OHM 5 5W RES FXD CMPSN 2K OHM 52 0 50W RES FXD CMPSN 2K OHM 5 0 50W RES FXD CMPSN 1K OHM 10 0 50W RES FXD CMPSN 510 OHM 5 0 25W SWITCH PUSH PUL SW THERMOSTATIC SW THERMOSTATIC XEMR PWR STPDN XFMR PWR STPDN 10A 250VAC NC 10A 240VAC NC 10A 240VAC Mfr Code 80009 80009 80009 72982 72982 72982 56289 56289 72982 72982 90201 56289 90201 26289 72982 72982 72982 80009 04713 14099 04713 14099 71400 71400 95238 95238 95238 80009 80009 80009 80009 80009 80009 91637 0112
19. EE e latin Meu Ae GE Ve e seek De 0 OTHER VM 1 2 82 an 0 e ve RE RE esre VM EE a NA een BE K zs NN ME e v Settee tae 0 03 MEDE HD nr edru i KAN E Eer Kant mentee yin in 4 S EER a eye a R HERR AN RENE iim e nen DE SKETS Si eS gt tot SUPE EE hr e OE E UH e eye Nn DR se kecen ees 2 pa pa a eta H H VW 5 d k 0 ve Z u ose Be ve ee Lt Sunne ales oh he lr 7 ef he eeh ee ei de Wee o sei so Abee OG DOT Ha i 35 Leg tI Ber ER Bre 828 Se ate ooo qu e e ava t O E eren Bei ete erdeke eee e ee e S 7 AC Nr MM tn n DEDE EE Ho e eee ere e a beqe DE REDE E enn nana Siva Deda ola L EE EE at ENT Da le e We ER ipee Ke AE E e Tete erede eel 2 P Ries 3 INA AV eet eret NAT SE Pa PES a war ce Det ote Parr td tee Tere AE ra te 2 ay ees LA tee TAE ve H ane oes kai lete tet 1 NI 6 EE EE San e ON ni d WANN
20. NAN w Ve MA wen M win Wek kika VY x Un d ie e EN EET n MEEN ot MIRAN SRN PRET AN AN ABDO RON rare Wow OS e 51 ww SANN RE ADV YE dc aa eter N anwe Ka SEA NO 2 eri tt tees 5 4 5 LA gt WO MESYE RI WS AYE NM ENS VN N SHARIR Riv V z i dE MO N lt N RAY 4 x x 3 EN dens yi pe 5 E w ar TE Nes T 8 1 VAS WARAN RAN NE 7 SES se n VARS aides N 9 E INANE s A ITI DC TESS ze d MAN Ati ARS le RANN TR Has WAL u EDA CI EE o PE ii EI T ee YEN ze VAI rs CH aS E Yon 7 WN ARO thal LC OIS AN ER EINE errr Re OLD AA EE EE RL ER Ne Bue A CNL o Sy GE Ts 505 1 TM 503 PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements developed in our engineering department It is therefore important whe
21. ERN 3 TO A NAN NANNA Ye RE ASAE EY OT ATR 2 d RE 1 Ee EE ANSY A e Le EEN A NUN VIAM AAT GE OR ETE E QE Se OS OER SE GAN OST TASES ED SERENA NEE ES DS EEE NL 4 ASSAY ERIS ASS ER MTOR EE RENAE ALERTS St STEERER Sth VER REA M NN ATA RAIN RTECS ANNE TENESTE NA TE ISENS He re ONS EC TA AT S IM RR A 0 n SINNA AE du EEN tege D N NS Dei MISS i ANLASS ANN MWAN 7 AAT TED ETE WA TANT ebe j uer RR SN EAD IM AA M AN OS N n NO AAA NEI EAN STENA rrr won N NA ES ANA Wa A INE LATE el A PRESTON AS N NIA ON SAH EERE PSS 2 AMA EO AT Re TET RARER TET A eee REESE ANS REENER NOMAS IG DS ESOL ANN SORE ES LE had Ek IN YA E RS NA EG ae E NETS r LAS TANT NINA SNE AZ HS 2 EES EEE EE MV 2 LEDEN 7 D TYR ante 5 AN TE AN AN ARS ALIM d Eng NN ERNS ass ee EN EN RIA OREN PTT AN RASEN RIEN ee RAN A w ROH EH SAYA A DADE REESE ETAR EEE HATTON NINES H A S VARAN EG OR Ge
22. TS EA e oer ee EE eN ere et ANNIS Dr EDE IG A PA c A yen NNI PANNE i NIN Herr N A 0 0 OE A a eg sis vese irite TIAE Wel derey er ve N e DOE EE OES Eee DELLS uM EG MT T TN NW p ea ek A en crete TET RI DEER RE GE Meer Serre E EE e e E ee e MOI EE EE E GE H H i i H i i TM 503 TU 2 INSTALLATION PROCEDURE OPERATING INSTRUCTIONS POWERING UP BUILDING A SYSTEM SPECIFICATIONS SYSTEM MAINTENANCE GENERAL TROUBLESHOOTING AIDS TROUBLESHOOTING TECHNIOUES PARTS ORDERING AND REPLACEMENT OPTION INFORMATION 15 SERVICE INFORMATION 18 INTERFACE PIN ASSIGNMENTS 19 DETAILED BLOCK DIAGRAM 19 PARTS LOCATION GRID 20 ELECTRICAL PARTS LIST 21 POWER SUPPLY 1 MECHANICAL PARTS LIST 24 EXPLODED VIEW DRAWING REV C MAY 1976 TM 503 tart befor t Check the rear panel markings Hf the factory settings are compatible with the available tine voltage and frequency insert the desired plug ins Use the bail to raise the front of the instrument 40 to Operating instructions 2 if a change is needed follow these steps a Line
23. 4 5 inch long coaxial wire with squarepin receptacles on both ends 20 pieces These are used for connections which require shielding or which must maintain a 50 ohm characteristic impedance The outer conductor should be connected to either chassis ground or circuit ground Plug in lines which require coax leads usually have a specified ground pin assignment if necessary establish auxiliary ground connections at the appropriate wire ends These coaxial wires are a convenient length for connections between adjacent interconnecting jacks 5 9 inch long coaxial wire with squarepin receptacles on both ends 30 pieces These coax wires are for applications such as those mentioned in item 4 above The wire length is convenient for connections between the left and right hand interconnecting jacks or between any interconnecting jack and a rear panel connector When connecting one end of the coaxial wire to a rear panel connector it will be necessary to cut the wire to length separate the shielding braid then strip and tin the connector end of the wire TM503 POWER MODULE Fig amp Index Ne rr T a y PYNT AA HAVA m aC Er AL Er 17 Tektronix Part No 131 1319 00 131 1345 00 1 4 00 210 0586 00 2 0 15 1 0955 00 o 210 0255 00 333 1701 00 214 1593 02 670 34 05 0 om va 131 0608 00 020 0074 00 MECHANICAL REPLACEABLE PARTS LIST not inclu
24. REINE CET BD INTERFACE ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL NUT PLAIN EXT W 4 40 0 25 INCH STL RIVET BLIND 0 125 DIA GRIP AL ATTACHING PARTS FOR CKT ED ASSY SCREW MACHINE 6 32 X 0 375 INCH PNH STL NUT CHASSIS MTG 6 32 X 0 312 OD X 0 312 L NUT PLAIN EXT W 6 32 X 0 312 INCH STL WASHER SPR TNSN 0 146 ID X 0 323 OD STL TNSULATOR WSHR 0 812 OD X 0 0025 INCH THK CMM NE AR ECCE HEAT SINK XSTR ALUMINUM HEAT SINK XSTR ALUMINUM SWITCH THERMO SEE 83 54 EPL ATTACHING PARTS FOR EACH SCREW MACHINE 4 40 X 0 25 INCH PNH STL NUT PLAIN EXT W 4 40 X 0 25 INCH STL be e HE am BSHG STRAIN RLF CABLE ASSY PWR CABLE ASSY PWR 3 18 AWG 125V 92 0 L FOOT CABINET LEG ELEC EQUIP PLASTIC ATTACHING PARTS SCREW MACHINE 8 32 X 1 5 IRCH DNH STL NUT PLAIN EXT W 8 32 X 0 344 INCH STL mal TERMINAL LUG SE 8 COVER ELEC XFMR 3 125 X 3 75 X 0 875 ATTACHING PARTS SCREW MACHINE 10 32 X 2 INCH HEX HD STL SCREW MACHINE 10 32 X 2 250 HEX HD STL NUT EXTENDED WA 10 32 X 0 375 INCH STL INS SLV ELEC 0 187 ID X 1 50 INCH LONG WASHER NONMETAL 10 FIBER WASHER LOCK INT 0 20 ID X0 376 OD STL TERMINAL LUG SE 10 TRANSFORMER SEE TI EPL PANEL REAR PANEL REAR PANEL REAR OPTION 2 PANEL REAR OPTION 2 ATTACHING PARTS SCREW MACHINE 6 32 X 0 375 INCH PNH STL NUT PLAIN EXT W 6 32 X 0 312 INCH STL ka a 83385 Mtr Part Number
25. compartments 2 as much power as possible dissipated in external loads and 3 operating in an ambient temperature around The TM 503 provides each plug in module with access to a pair of heat sinked chassis mounted transistors one NPN and one PNP These Series Pass transistors allow the plug in modules to operate in power ranges not possible if the power had to be dissipated in the modules themselves Family Compatibility Mechanically the plug in modules are very similar to other TEKTRONIX product families However they are not electrically compatible Therefore the TM 503 inter face has barriers on the mating connectors between pins 6 and 7 to insure that incompatible plug ins cannot be inserted See Figure 1 A compatible module wil have a matching slot between pins 6 and 7 of its main circuit board edge connector This slot and barrier combination is the primary keying assignment Another modutes identifier for TM 500 compatible plug in is the white color of the release latch Customizing the Interface The modularity of this instrumentation system provides for a host of functions to be performed by the plug in modules Specific functions are grouped into families or classes of which there may be several plug in module gt a DOO 1 Was gr neg EE ES e uer SIGNAL SOURCE FAMILY KEY NPE N ME RAN LZ Me ve FAMILY KEY
26. purchasing or ordering replacement parts check the Parts Lists for value tolerance rating and description When selecting replacement parts it is important to remember that the physical size and shape of the component may affect its performance in an instrument AT replacement parts should be direct replacements unless it is known that a different component will not adversely affect the instru ment performance Special Parts Some parts are manufactured or selected by Tektronix Inc to satisfy particular requirements or are manufactured for Tektronix Inc to our specifications Most of the mechanical parts used in this system have been manufactured by Tektronix inc Order all special parts directly from the local TEKTRONIX Field Office or representative Ordering Procedure When ordering replacement parts from Tektronix Inc please include the following mini mum information 1 instrument Type PS 501 SG 502 DC 501 etc 2 instrument Serial Number For example 8010250 3 A description of the part if electrical include the circuit number 4 TEKTRONIX part number Please do not return any instruments or parts before receiving directions from Tektronix inc A listing of TEKTRONIX Field Offices Service Centers and Representatives can be found in the TEKTRONIX Product Catalog and Supplements 11 Replacing The exploded view drawings associated with the Mechanical Parts Lists located to the rear of most
27. 6 EPEN NN Mu RE toten em eze binn ee peen Hi 3 p OBE Hes change privileges reserved A ne Beaverton nix ektro Oregon of America All rights reserved i ee H 5 dewa REED SAMENESS 3 AEN Nat i QU deed RAYI TN oaeen w H NIS MENT H 6 5 age TOUTAN HANS oz INN 3 EEE ENS EE NE 9 evt 5 G 3 TR EE Es NE i RNN at A 4 RE 7 TO S E SMS 5 aa 5 MWAN IN WO i ANS AST 5 NS RRNA RU MAY SN HIN RONDE Set A ER INIT NM TED ERAT B E Cor H KR Reeg s Ee 0 ENE EELS Nee MIST ARE VAI TANZ 7 IDA ARR NNA enan EE EER EMRE gt RE ENTE AS EN DAR RCE EEN NATAS OS Ie fM REN 27 0 ee ee E DUX CERE ee asasina z Wert A n pe QE EG RR NIS AMI M mo EEN sies et AS G DEE EDS gon LANZ EECH e 5 pea EN er DAS MINES NAN NAR MA RASINN YO e MAY DE x INDUIT y ER 2 KEE ERGE sss Mur J OS DIRAN w AI t AA TERE Mete
28. Drafting Practices Y14 2 1973 Line Conventions and Lettering Y1G 5 1968 Letter Symbols for Quantities Used in Electrical Science and Electrical Engineering The following prefix letters are used as reference designators to identify components or assemblies on the diagrams The following special symbols may appear on the diagrams REV B JUN 1978 Assembly separable or repairabie H Heat dissipating device heat sink S Switch or contactor circuit board etc heat radiator etc 11 Transformer Attenuator fixed or variable HR Heater TC Thermocouple Motor HY Hybrid circuit TP Test point Battery J Connector stationary portion U Assembly inseparable or non repairabie Capacitor fixed or variable K Relay integrated circuit etc Circuit breaker L inductor fixed or variable Electron tube Diode signal or rectifier M Meter VR Voltage regulator zener diode etc Delay line P Connector movable portion W Wirestrap or cabie indicating device lamp Q Transistor or silicon controlied Y Crystal Spark Gap Ferrite bead rectifier L Phase shifter Fuse R Resistor fixed or variable Filter RT Thermistor Plug to E C Board Identifies Panel Controls Connectors and Strap or Link indicators Cam Switch ss ia Closure Chart w 12V gt Dot indicates switch closure Modified Component See Parts List Depicted in grey or with grey outline Plug index SEL Value Selec
29. MACHINE 6 32 X 0 75 INCH FILH STL NUT PLAIN EXT W 6 32 X 0 312 INCH STL gt NR FOOT CABINET RIGHT FRONT AND LEFT REAR HINGE BLOCK STA R FR L REAR BLACK ACETAL ATTACHING PARTS SCREW MACHINE 6 32 X 0 75 INCH FILH STL NUT PLAIN EXT W 6 32 X 0 312 INCH STL GUIDE PL IN UNI GUIDE PL IN UPPER ATTACHING PARTS FOR EACH SCREW TPG TF 2 32 X 0 250 100 DEG FLH SCREW MACHINE 2 56 X 0 188 82 DEG FLH STL dam Ga cui se GUIDE PL IN UNI GUIDE PL IN UNI GUIDE PL IN UNL GUIDE PL IN UNI LOWER BLACK NYLON GUIDE PL IN UNI LOWER NYLON TTACHING PARTS SCREW MACHINE 4 40 X 0 25 100 DEG FLH STL SCREW TPG TR 4 20 0 25 L PLASTITE SCREW MACHINE 4 40 X 0 312 100 DEG FLH STL SCREW TPG TR 4 20 0 312 L PLASTITE Se CONTACT ELEC GROUNDING PH BRZ ATTACHING PARTS EYELET METALLIC 0 089 OD X 0 125 5 lt gt 12136 78189 18871 83385 07707 86928 80009 83385 80009 80009 83385 80009 80009 80009 80009 83385 80009 80009 80009 83385 83385 80009 80009 83385 83385 80009 80009 45722 83385 80009 80009 80009 80009 80009 83385 93907 83385 93907 80009 57771 Mir Part Number aaa u ddking A Yx evve uv sea aaa rere 390 0285 00 390 0285 01 390 0285 02 OBD OBD OBD 8455 R 372 140 37 211 04
30. S L punoib 03 13 523 He eae 8 pue yg Sulg g pue WE suid 1 0 UI pejoauuoo s A GEE ueuwiseduoo 589 jo 8 pue z suid 01 jatjeded ui po128uuO2 SI GEE p AOtu i s semod uaya 5953 48319 ayy 103 syed abseyosip apiaoid zzy pue OZH sjuounsedwoo ayi jo yore 5906 H 940 9 DA aur do zeg pue 0 11781 6 yoe ui OG Poto senddns OLHD 5puq aporg Butpuia Asepuoooas e jo de 43 93 popunoJB eui oi peouaiejai st Ajddns 3 53118405 A GEE PYE A Geer as ou sseaddns 0 iojoauuod au le pejunus si Burpuim 3uounieduroo yoga jo 8 pu VEL surd 550438 samod y mes Ajddns sBuipuim Ae puoo988 99441 SONIGNIM OVA SC DV A OZE A 1 uongiodo NEHOA au jeuruou A OZZ 404 59195 UI sBuipujia 499 461 sun 68 O perm si Zd uoneisdo eBej OA Sun A 0 1 747 404 jejyesed 74 14 at 93514 oi 0341 SI id 3911 out jo 5 leanou 848 421 i ou sjunus ZO PND puna d 943 ejajdwoo pue 85913 jj PS pue S 916003 au AUM j faaaj 93855 DAOGE 41 5940 54861 53 eu tert 4 amod Awd 511 yata 5100 1113 5 patunou sisseyo 938 YS pue ES Ze 40 Ld POI 8 pou ou pue pS ES ZS zz BIA semue 68 49 1141 80 j AUViNTUd LJ WVHOVIG 20738 0371913 0 1 d Buipuim JWA SZ L OG Pari A 9 LL 4 84 A GEL
31. Selector Blockis Remove the five hold down screws on the top of the dust cover cabinet and lift the cabinet off This gives easy access to the Line Selector blocks located on the main circuit board a UAI T DESC ING SEENEN EES KE tnn MES anyen ee eA teg 0 d rt 2 SANT N Ne 8 4 1 eee 1 4 mete ee eg eN ag RRS in service EEN selector block selector block The instrument can be damaged by using the 120 V Line Selector block with a 220 V nominal tine voltage REV JULY 1974 GETT an H H ba H Na 0 H 1 b Line Range Taps oan DARGEROUS UNE POTERTIRIS Ei ARE PERSENT ON THES BOARD TTT DT p EE npe kote vt eem T swe rrt l l PONES AISLE x NDEI im vw wx 1 sev y en 120 Volts 1 6 A siow biow Line Fuses 3 Replace the cabinet TM 503 Universal Transformer SN BO50000 up Line Regulating Ranges Selector Block _Position 120 Volts Nominal 220 Volts Nominal 5 L 90 VAC to 110 VAC 180 VAC to 220 VAC M 99 VAC to 121 198 VAC to 242 VAC H 108 VAC to 132 VAC 216 VAC to 264 VAC Line Fuse Data 1 6 A slow blow 0 8 A slow blow Standard Transformer SN 5050000 below Line 7 Block Position Regulating Ranges L Do not u
32. circuitry must be considered when evaluating the measurement Except for soldered in transistors and integrated circuits most compo nents can be lifted at one end from the circuit board a System Maintenance TM 503 Transistors and IC s Turn the power switch off before removing or replacing any semiconductor A good check of transistor operation is actual perform ance under operating conditions A transistor can most effectively be checked by substituting a new component for it or one which has been checked previously However be sure that circuit conditions are not such that a replacement transistor might also be damaged substitute transistors are not available use a dynamic tester Static type testers are not recommended since they do not check operation under simulated operating conditions suction type desoidering tool must be used to remove soldered in transistors see component replacement procedure for details Integrated circuits can be checked with a voltmeter test oscilloscope or by direct substitution A good under standing of the circuit description is essential to trouble shooting circuits using IC s Operating waveforms logic levels and other operating information for the IC s are given in the circuit description information of the appro priate manual Use care when checking voltages and waveforms around the IC s so that adjacent leads are not shorted together A convenient means of clipping a tes
33. ee tatem D 1 N to sp ene e see EE FIG 1 EXPLODED SN BO80000 8 UP m p mr TE ENE d 8 20 gt m D SN B030000 amp UP AE PAAS EE ee i gt m TM 503 POWER MODULE REV D JAN 1979 C E ber marge Pa IE Pete Cob tale ze xxx m eee ep STANDARD ACCESSORIES res dla e QUIT Ke 8 A A dito EGG 270 FX 52 P dd rede po Ko L a ATT oet amp Fig Index Mfr Code Tektronix Serial Model No Part No Eff Mfr Part Number OAOA OM FRIDAG WAN AR AA dl he dd AAN I PD ADA rus DIV M LAL 0 LANEY Us Uo ERR Name amp Description 1 No SJ 5003 19898 80009 DIA X 0 195 GRAY POLY UCTION ASTIC 0 45 l MANUAL TECH INSTR 1 4 BUMPER P 1 348 0429 00 070 1305 00 00 070 1305 TM 503 POWER MODULE REV A MAY 1976 EPI l Me M Ss 1 3 a 2 err vere dte He te emo EP 288 De U DD ses a mee p ren
34. manuals may be especially helpful when disassembling or re assembling individual components or sub assemb lies Circuit Boards If a circuit board is damaged beyond repair the entire assembly including all soldered on com ponents can be replaced Part numbers are given in the mechanical parts lists for the completely wired 670 prefix board To remove or replace a board proceed as follows 1 Disconnect all leads connected to the board both soldered lead connections and solderless pin connections 2 Remove ali screws holding the board to the chassis or other mounting surface Some boards may be held fast by plastic mounting clips around the board edges For these push the mounting clips away from the circuit board edges to free the board Also remove any knobs etc that would prevent the board from being lifted out of the instrument 3 Lift the circuit board out of the unit Do not force or bend the board 4 To replace the board reverse the order of removal Use care when replacing pin connectors if forced into place incorrectly positioned the pin connectors may be damaged Transistors and iC s Transistors and 1C s should not be replaced unless they are actually defective lf removed from their sockets during routine maintenance return them to their original sockets Unnecessary replacement or switching of semiconductor devices may affect the calibra tion of the instruments When a transistor is replaced check
35. mount a single TM 503 with a half rack assembly and slide out tracks order TEKTRONIX Part Number 040 061 7 01 To convert from a rackmount to a bench configuration for a single TM 503 order TEKTRONIX Part Number 040 0618 01 SPECIFICATIONS 33 5 V and 33 5 V I A maximum each supply shared l by all compartments 2 227 4070 SYE 17 5 VAC and 11 5 V 3 6 A maximum shared in any combination between these two supplies and shared among all SEA VIL LSS Z 4 15 7 NOTE Lt Current voltage ratings are for main frame maintenance only In practice not al available power may be used at once More detailed information is supplied with kit 040 0652 02 TM 500 plug in Temperature Range Operating 070 to 50 C Nonoperating 40 C to 75 C Altitude Range Operating To 15 000 feet Nonoperating To 50 000 feet Other Dimensions with Feet and Bail H 60 in W 8 7 in LI 15 3 in Weight without Plug ins Approximately 9 5 ib REV F JAN 1977 introduction This section of the manual is meant to support the entire TM 500 Series family of modules with a general coverage of the most commonly needed service information pertinent to preventive maintenance troubieshooting ordering parts and replacing components and sub assembties Cabinet Removal Dangerous potentials exist at several points through out the system When the system must be operated with the cabinet removed do no
36. 0 166 0227 00 210 0812 00 210 0010 00 210 0206 00 333 1597 00 333 1901 00 333 1701 00 mm HOES n cax 211 0510 00 210 0457 00 B121600 8010100 8010100 8074840 B010100 B120990 XB080000 8100000 X8080000 XB080000 8010100 8040000 XB050000 B0 74840 X8074840 8010100 8080000 8010100 8080000 5080000 XB080000 BO74839 8074839 8120989 5099999 8039999 8074839 8079999 209 Qty 12345 peoe EE aR ARL A AAAA DIETT aan Oe mcd WA O E Lt S L EL ge 7 o 1 n Name amp Description EXTENSION SHAFT 13 612 L X 0 048 STL W PB EXTENSION SHAFT 13 612 L X 0 048 STL W PB ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 100 DEG FLH STL SCREW TPG TR 4 20 0 188 L PLASTITE ADAPTR SW ACTR POWER SWITCH PUSH PUL 10A 250VAC SEE 52 EPL CET BOARD ASSY INTERFACE SEE Al EPL TERMINAL PIN 0 365 L X 0 25 PH BRZ GOLD PL CONNECTOR RCPT 28 56 CONTACT KEY CONN PLZN CKT BD CONN CLIP ELECTRICAL FOR 0 25 INCH DIA FUSE RETAINER CAP ATTACHING PARTS SCR ASSEM WSHR 6 32 X 0 312 INCH PNH STL NUT PLAIN HEX 6 32 X 0 25 INCH BRS Lo WE st 05 LINK TERM CONN 8 22 AWG 1 5 L LINK TERM CONN 8 22 AWG 1 5 L
37. 1 01121 01121 01121 91929 81439 81439 80009 80009 Mfr Part Number 670 2024 00 670 3405 00 283 0022 00 855 558 25V02032 855 558 25V02032Z 855 558 25V02032Z 68D10474 68D10474 811 546E103Z 511 132 20 2 68510444 20 2 68010444 855 558 25VO203Z 855 358 25V020 32 855 558 25V02032 152 0488 00 1N472 38M2 ING721 3SM2 MDX16 10 MDL 8 10 600 1156Y256DF30 600 1156Y256DF30 600 0 1 0 11 0 1317 037 3200 151 0349 00 151 0373 00 151 0349 00 CW5 8R800J EB2025 EB2025 EB1021 CB5115 2DM 301 636336T21 590 1 120 0792 0900 120 079300 23 oe fonn NN n amem mr 5 K DPI H EEN fe sae nQ m POWER SUPPLY 4 ATddNS YIMOd LEI NOP ta 58 j eos WL 25 50 M GARS TBA ASN AL it mi IES lt TEI I ouan vg AVA 1 i za NT NOWWOS ASH aa L EE TE FP T NOWWOD Att A Si 7 ELA E jili N Q x a A irs SS J USdwno AOE id J OY TT Aa HS 3 0 TNW 1 Do an wes zm mmm mm mmm em men mmm e mm mm mm mm o ez mz mm ri eM mes SANIT ANIHA A 7 1 vy7 3 wadwan 2 24 ame mama a lt lt SAINT 3
38. 1800 00 OBD OBD AD 44 ABS OBD 348 0187 00 OBD 348 0026 00 348 0027 00 OBD 348 0275 00 390 0274 00 390 0388 00 390 0438 01 OBD 390 0438 00 348 0208 00 348 0073 00 OBD OBD 348 020700 348 0074700 OBD OBD 351 0334 06 351 0379 01 OBD OBD 351 0286 00 351 0286 01 351 0286 02 351 0286 04 351 0286 07 OBD 000 OBD OBD 131 1254 00 653 4 26 Replaceable Mechanical Parts TM 503 Fig amp index No 27 1 26 AV 28 ao 31 SE 34 33 36 sat 38 39 40 41 m 2 3 m 45 46 47 48 49 5 0 53 54 gt 93 Sach y 58 59 60 61 62 63 64 65 66 67 Tektronix Part No 384 1166 00 384 1166 01 ET BO10169 BO30000 Serial Model No Dscont B029999 211 0101 00 B010100 B121599 212 0815 00 214 1790 00 zen m nn an n Maka MARAS TER wert raven 131 0608 00 131 1078 00 214 1593 02 344 0154 00 3527032200 211 0 74 00 210 0407 00 131 1895 00 131 1896 00 386 1938 00 211 0008 00 210 0586 00 210 0777 00 211 0510 00 220 0546 00 210 0457 00 210 0071 00 342 0136 00 214 1764 00 214 1791 00 211 0008 00 210 0586 00 358 0365 00 161 0033 04 161 0033 05 348 0190 00 348 0191 00 21290027900 210 0458 00 210 0205 00 200 0772 02 212 0516 00 212 0515 00 220 0410 0
39. 384 1166 00 384 1166 01 OBD OBD 2 0 22526 35238 80009 80009 80009 47357 600 1156Y256DF 30 214 1593 02 344 0154 00 352 0322 00 83385 73743 OBD 3038 0228 402 80009 80009 80009 131 1895 00 131 1896 00 386 1938 00 83385 78189 45722 OBD 211 041800 00 AD42AB5 OBD 220 0546 00 OBD 4706 05 01 0531 OBD 80009 83385 78189 04713 80009 80009 214 1764 00 214 1791 00 83385 78189 OBD 211 041800 00 80009 16428 80009 80009 80009 358 0365 00 KH854 2 161 0033 05 348 0190 00 348 0191 00 83385 83385 OBD OBD 2104 08 00 2520N 200 0772 02 78189 80009 77250 83385 83385 80009 86445 78189 86928 OBD OBD OBD 166 0227 00 OBD 1210 00 00 0541C A373 147 1 80009 80009 80009 333 1597 00 333 1901 00 333 1701 00 80009 333 1900 00 83385 83385 GBD OBD REV H OCT 1979 gave tese n Fig 8 index No 1 68 9 70 SCH m 3 74 75 16 77 78 Tektronix Part No 352 0076 00 352 0362 00 210 0873 00 407 1062 00 40771062 0 211 0507 00 210 047 7 00 407 1178 00 407 1178 01 211 0507 00 210 0457 00 210 0204 00 210 0586 00 426 0919 00 426 0919 01 426 0919 02 426 0919 04 334 2709 00 334 2037 00 334 3379 01 REV F OCT 1979 serial Model No Eff 8010100 8050000 00 5114740 8010100 Bi14740 8010100 8030000 8080000 8106690 0 Dscont bebat kman BO49
40. 999 B114739 Bil4739 BO29999 8079999 8106689 Qty jd WE Repiaceable Mechanical Parts TM 503 12345 FUSEHOLDER W HARDWARE FUSEHOLDER W MOUNTING HARDWARE FRAME ASSY CAB FRAME ASSY CAB FRAME ASSY CAB FRAME SECT CAB MARKER IDENT MARKED CAUTION MARKER IDENT MARKER IDENT MARKED GROUND SYMBOL Mfr Name amp Description Code Mfr Part Number 75915 342012 L 75915 345001 WASHER NONMETAL 0 5 ID X 0 688 INCH OD NPRN 70485 OBD BRACKET ANGLE CKT BOARD RIGHT ALUMINUM 80009 407 1062 00 BRACKET ANGLE CKT BOARD RIGHT ALUMINUM 80009 407 1062 01 ATTACHING PARTS SCREW MACHINE 6 32 X 0 312 INCH PNH STL 83385 OBD NUT PLAIN EXT W 6 32 X 0 312 INCH STL 83385 OBD m BRACKET ANGLE CKT BOARD LEFT ALUMINUM 80009 407 1178 00 BRACKET ANGLE CKT BOARD LEFT ALUMINUM 80009 407 1178 01 ATTACHING PARTS SCREW MACHINE 6 32 X 0 312 INCH PNH STL 83385 OBD NUT PLAIN EXT W 6 32 X 0 312 INCH STL 83385 OBD mm TERMINAL LUG 0 146 INCH DIA DE 45 DEG BEND 78189 2157 96 01 2520N ATTACHING PARTS NUT PLAIN EXT W 4 40 X 0 25 INCH STL 78189 211 041800 00 80009 426 0919 00 80009 26 0919 01 80009 426 0919 02 80009 426 0919 04 80009 334 2709 00 80009 334 2037 00 80009 334 3379 01 28 n n Mate erem t s r e goman ema aja ete vern ass ea
41. 9999X BO79999X BO79999X B079999 8662278 8079999 B029999 B029999 B019999 B069999 B089999 B121599 B121599 B121599 Qty 12345 N bemi des E gt ND dent kal UO UJ wu Replaceable Mechanical Parts TM 23 Name amp Description COVER PWR SPLY WRAPAROUND COVER PWR SPLY WRAPAROUND COVER PWR SPLY WRAPAROUND ATTACHING PARTS SCREW MACHINE 6 32 X 0 188 TRH SST POZ SCREW MACHINE 6 32 X 0 188 TRH SST POZ SCREW MACHINE 8 32 X 0 188 TRH SST d A COVER INCLUDES HANDLE CARRYING ATTACHING PARTS NUT PLAIN EXT W 4 40 X 0 25 INCH STL WASHER FLAT 0 115 ID X 0 469 INCH OD STL SCREW MACHINE 4 40 X 0 375 INCH PNH STL RIVET BLIND 0 125 OD X 0 357 L DOMED HEAD WSHR SHOULDERED 0 143 ID X 0 75 OD BRS Siet ve ST FOOT CABINET 0 780 X 1 650 INCH LONG ATTACHING PARTS FOR EACH SCREW MACHINE 6 32 X 0 50 INCH PNH STL HINGE BLOCK STA LEFT HINGE BLOCK STA RIGHT STAND ELEC EQPT FLIPSTAND CAB COVER PWR SPLY BOTTOM COVER PWR SPLY BOTTOM COVER PWR SPLY BOTTOM ATTACHING PARTS SCREW MACHINE 4 40 X 0 188 100 DEG FLH STL ORE CABINET BOTTOM ASSY INCLUDES COVER PWR SPLY BOTTOM FOOT CABINET LEFT FRONT AND RIGHT REAR HINGE BLOCK STA L FR R REAR BLACK ACETAL CATTACHING PARTS SCREW
42. E Re SCH L ck EE mati meneren 0 ee NEE M t e nsen i Ya K e Pa e a EE e OO ba L DT GROEN ere ek e kuren ee inn att te atte NAT ar AN 5 e ne MEA dl d 0 tan et L ae d 0 DEER te sel He NN de ANE 0 MER VE EE A alete 0 SID ls i RM MIT DRIN ned EE e edet Doo pg deren on rr De ere 69 ko eene gan er e d Gei eel lees eret MISSIS NEM en pter eter H H 3 H H DP si Fa gt H H H H H H H i 0 2 Hi i D H 2 n 9 TM 503 Power Module with plug ins REV B JUN 1978 D JDUCTION Description The TEKTRONIX TM 503 Power Module is a three compartment wide mainframe for the TM 500 Series of Modular Instrumentation It accepts up to three independ ently functional plug in modules to form a compact versatile and low cost instrumentation system The TM 503 is a basic power source and provides an interconnecting scheme for the other members of the TM 500 Series family Factory options allow customer modification using signa
43. ERAMIC HEX HEXAGON CHAS CHASSIS HEX HD HEXAGONAL HEAD CKT CIRCUIT HEX SOC HEXAGONAL SOCKET COMP COMPOSITION HLCPS HELICAL COMPRESSION CONN CONNECTOR HLEXT HELICAL EXTENSION COV COVER HV HiGH VOLTAGE CPLG COUPLING iC INTEGRATED CIRCUIT CRT CATHODE RAY TUBE ID INSIDE DIAMETER DEG DEGREE IDENT IDENTIFICATION DWA DRAWER IMPLR IMPELLER REV F OCT 1975 IN INCH SE SINGLE END INGAND INCANDESCENT SECT SECTION INSUL INSULATOR SEMICOND SEMICONDUCTOR INTL INTERNAL SHLD SHIELD LPHLDR LAMPHOLDER SHLOR SHOULDERED MACH MACHINE SKT SOCKET MECH MECHANICAL SL SLIDE MTG MOUNTING SLFLKG S LF LOCKING NIP NIPPLE SLVG SLEEVING NON WIRE NOT WIRE WOUND SPR SPRING OBD ORDER BY DESCRIPTION SQ SQUARE OD OUTSIDE DIAMETER SST STAINLESS STEEL OVH OVAL HEAD STI STEEL PH BAZ PHOSPHOR BRONZE SW SWITCH PL PLAIN or PLATE T TUBE PLSTC PLASTIC TERM TERMINAL PN PART NUMBER THD THREAD PNH PAN HEAD THK THICK PWR POWER TNSN TENSION ROPT RECEPTACLE TPG TAPPING RES RESISTOR TRH TRUSS HEAD RGD RIGID VOLTAGE RLF RELIEF VAR VARIABLE RTNR RETAINER Wi WITH SCH SOCKET HEAD WSHR WASHER SCOPE OSCILLOSCOPE XEMR TRANSFORMER SCR SCREW XSTR TRANSISTOR 24 Replaceable Mechanical Parts TM 503 Mfr Code Manufacturer 000 81 STAUFFER SUPPLY 105 S TAYLOR 04713 MOTOROLA INC SEMICONDUCTOR PROD DIV 5005 E MCDOWELL RD PO BOX 20923 07707 USM CORP USM FASTENER DIV 510 RIVER RD 12136 PHILADELPHIA HANDLE COMPANY INC 1643 HADDON AVENUE 12360 ALBANY
44. INSTRUCTION MANUAL ETT Ve AN MN Serial Number 572 Tektronix Inc P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 1305 00 201311101105 7 H 1 ki RE Sew aa AMS 7 ARRAN NL Lr NA A E EE YIN AA DANS ALA sa 1 SEER ED AE DO REN SE A n ONE OS SEE ta KONN EPA GO AN e MO OES RA Gar SANN SPE AN RLY EE DE NAT N SNORT LCE LEREN EE ENE EE GE NAAN SATO Mer EE ANE A TONS ME N ATAS EN O PRENANT ANA ZA A MRE A ATAA SS PASTE IN RA Ne SAT SEE EE NEE REA ASON SE PANINI H ZE Z ODE ENT ELE SAN NATAT PAN TAN FI PENT AA SANT SAYAY AREE VILAM ER FOTN ARAS SIM EA ON AER SARI e a OR NESE Ke i FERDEN RD TESTE aces Ai T AQUI EAA DANAN DA NET d NER NA gt PA AN NA EI MA ANTENNA ESA ANN ARES DU RAA NA e NN N Ze zar LS wi GE RR EN AE CAO AAN BERT deg AE SEAN KS ANA GRANN n 4 ASIAN isa ees DERE ANN An SSI es ANK ANT ON N NE
45. OLA INC SEMICONDUCTOR PROD DIV 5005 E MCDOWELL RD PO BOX 20923 PHOENIX AZ 85036 14099 SEMTECH CORP 652 MITCHELL RD NEWBURY PARK CA 91320 56289 SPRAGUE ELECTRIC CO NORTH ADAMS MA 01247 71400 BUSSMAN MFG DIVISION OF MCGRAW x EDISON CO 2536 W UNIVERSITY ST ST LOUIS MO 63107 72982 ERIE TECHNOLOGICAL PRODUCTS INC 644 W 12TH ST ERIE PA 16512 80009 TEKTRONIX INC O BOX 500 BEAVERTON OR 97077 81439 THERM O DISC INC 1320 S MAIN P O BOX 1538 MANSFIELD OH 44907 90201 MALLORY CAPACITOR CO DIV OF 3029 E WASHINGTON STREET P R MALLORY AND CO INC P O BOX 372 INDIANAPOLIS IN 46206 91637 DALE ELECTRONICS INC P 0 BOX 609 COLUMBUS NE 68601 91929 HONEYWELL INC MICRO SWITCH DIV CHICAGO amp SPRING STS FREEPORT IL 61032 95238 CONTINENTAL CONNECTOR CORP 34 63 56TH ST 22 WOODSIDE NY 11377 REV F OCT 1979 Qe eee PE fees anga pot Ckt No Al Al CZ C10 C12 C14 C20 C22 C30 C32 C35 C35 CAA CRIO CR30 CR30 CR32 CR32 F2 F2 Jio J20 J30 Q10 Q12 Q20 Q22 Q30 Q32 R2 R20 R22 R30 R35 2 54 11 Ti Tektronix Part No 670 2024 00 vite we se v t w 283 0022 00 283 0004 00 283 0004 00 283 0004 00 290 0520 00 290 0520 00 283 0002 00 283 0002 00 290 0321 00 ama nane s t ib wer
46. PRODUCTS CO DIV OF PNEUMO DYNAMICS CORPORATION 145 WOODWARD AVENUE 16428 BELDEN CORP P O BOX 1331 22526 BERG ELECTRONICS INC YOUK EXPRESSWAY 45722 USM CORP PARKER KALON FASTENER DIV 57771 STIMPSON EDWIN B CO INC 900 SYLVAN AVENUE 70485 ATLANTIC INDIA RUBBER WORKS INC 571 W POLK ST 73783 FISCHER SPECIAL MFG CO 446 MORGAN ST 75915 LITTELFUSE INC 800 E NORTHWEST HWY 77250 PHEOLL MANUFACTURING CO DIVISION OF ALLIED PRODUCTS CORP 5700 W ROOSEVELT RD 78189 ILLINOIS TOOL WORKS INC SHAKEPROOF DIVISION ST CHARLES ROAD 78471 TILLEY MFG CO 900 INDUSTRIAL RD 80009 TEKTRONIX INC P 0 BOX 500 83385 CENTRAL SCREW CO 2530 CRESCENT DR 86445 PENN FIBRE AND SPECIALTY CO INC 2032 E WESTMORELAND ST 86928 SEASTROM MFG COMPANY INC 701 SONORA AVENUE 93907 CAMCAR SCREW AND MFG CO 600 18TH AVE 95238 CONTINENTAL CONNECTOR CORP 345 63 56TH ST 25 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Address City State Zip PORTLAND OR 97214 PHOENIX AZ 85036 SHELTON CT 06484 CAMDEN NJ 08103 SOUTH NORWALK CT 06586 RICHMOND IN 47374 NEW CUMBERLAND PA 17070 CAMPBELLSVILLE KY 42718 BAYPORT NY 11705 CHICAGO IL 60607 CINCINNATI OH 45206 DES PLAINES IL 60016 CHICAGO IL 60650 ELGIN IL 60120 SAN CARLOS CA 94070 BEAVERTON OR 97077 BROADVIEW IL 60153 PHILADELPHIA PA 19134 GLENDALE CA 91201 ROCKFORD IL 61101 WOODSIDE NY 11377 REV M OCT 1979 rrr ann DN jl
47. R ANNE NASA EEE PS SN SE RD AE N AEN Ir eee E DAE MANTIENEN NT nd U A BENNEN pene Ee AE NN EEE ORE ER RD S OS ETE a geren RR RT FRR A IEN PI MIA NI PPN EE S De ANI SN AEN SDSS OG 2 DE W L ee SSH sane tos ea DE gas eee Ver 2 N 0 d NNNM N e 3 EPSE 6 Ze MAN T Da be NIS oe AA 5 a e wonn IN SAIS LA Halana DA yA NENA TDI M RES NINA YA KIN A shed EN e MAN SEY rt NE DE NEEN ep FT AND SAN NN AN n IIT I PR eos MO SANTE MAN OE ay cet de MA ye VIN IAN EELER Ee EE NNI SERIES ton ASIN rd Ie ka S RT athe OR EDDA m a pe kan e NP NIN e ae er Puis QAZI SRR E PS eye CARES EE dure DOE tern Kareke E Anne en arie CO ee Oe PERERA VIDIT NT UN RR ORE RUSLAN GE AE RE AHRENS et goatee DA bennet A N IAS EA EE EN e M GEN perii e Ei Rr A ri eie De M e Tr e S RRR port EE ERS NRE TRIS RRO FR TTR RR TERRESTRES ER Ner ere sss a ENEE
48. SINS AAy KEVNA VANA ede as Ya MON A HOO SENE Sew NANE IAS TN ewa Die D ANA EE 9 9 5 ROSES VANIA YOU LO N 7 MAMAS RN QANE EE YANE KI RENEE REENDER lt MA vo H EE ANS Rd RES ana NERA RE AA GEN YN SSN ZAN ANS ev A VRAE OS ERG NS NIA ER rd SSE Ae 8 Y SS MS AN ASA SCH Z AN NANA EE Me EER SE RE dd PER AA ret EIS 8 EGER SODO sh AN EN RS ied Mi 7 EN A NAYA RE NA ME TED M ANSA SN TAYA VPN ANA is TENTEN NNT MEANS VN NUES x SON SE ANE Se enn EEEN BEDE A DAN BA A N BANA AAN NAS KN PIRA KAD AS NN I NE LED eer EDI Ege Ne 2 MENS PERES EG ee UA SEN MAVI PAT SAN Pe N ALAN Ese oem MANI DIEA NY AN Sr ere EN VA HUN 5 8 3 AAS eed TA oe DAS K DAE EA ee Son VASA E DIN NR TEENS YANA k va tense H iu NA Net S t 2 bR Ne MMI N e BERGER ATIS N SMA STE REPS GEN SE ee EE EN ya adr A ES RST RO NR Wan RS OS Ed 5 NEAN ETRE ALE NIN N AERA 8 EE ASA VEN INST 6 M MANMAY ori ATE EN EOF STO SRT MATE SO EE LN AS 3 2 5 5 K
49. Y Y TEM RNG EY BAN ON E 2 N N A SAZA SE NER NE NNDS NN A AMAN EE A NN DREN Sa 2 TN SE AN NS NNI P I SAN AQ AN EA DA AN END RAN EUREN A AI DANS SET NE RE LANK A ALIS SOUL PETIA TAREAS AN ENS ANM A NEN AA ANN M T ESIR ACY IEEE ANNEN AS AAA TERRI NON SS NE EN AIDE HAN ko PN ATP ANO E SINAN SESE ADDR ATAN SA SE ANN EE T IENA N E AERA ETERS ee N EAN SERA EEEN EISE AV SRM iA REET TS AANEEN E AA ROR TSR A e Na SN Day FAN NITE ORE 2 22 KIN NAN EE E AE KAY d Bea on TAN EE ENTANS sok RE DE AN MO ANN SO DAN TAa EN SEA STEN ae MN ANN YY YAN ANE AAA ENS A AT S Seraya u agente FER LRAT TRUE OR N DERE EN SAN AA SALANDA ARAM RG Be esse EN ERAN Ade RAS ve WANAN PN DAYA RE g 5 DIANE SEDANS 0 TA RAL ND HANA KONNE NENNE EN SENNA veve DT je t ZOE en steden INNAM XR ES 0 Ae AT Nee EE AT iN
50. a SUE AA AT CAUTION NI mS Umso ms AA MO ams PN Turn the Power Module off before inserting the plug in otherwise damage may occur to the plug in circuitry Module Installation 1 Check the location of the white plastic barriers on the interconnecting jack to insure that their locations match the slots in the edge of the plug in module s circuit board REV B JAN 1975 2 Align the plug in module chassis with the upper and lower guides of the selected compartment Push the module in and press firmly to seat the circuit board in the interconnecting jack Remove the plug in module by pulling on the white release latch located in the lower left corner of each module 3 Pull the PWR button on the left side of the TM 503 Some plug in modules have independent power switches usually labeled OUTPUT controlling application of main frame power to the module itself Push this button to activate the plug in module Loading Considerations With three plug in modules installed the TM 503 can require up to 120 W of power from the tine at high line Operating Instructions TM 503 voltage range settings Actual power consumed of course depends on the particular module combination selected at any one time This power capability can best be utilized by carefully planning the functional combinations of plug ins their external loads and the resulting power distributions Optimum conditions would be 1 equal loads in all three
51. a time 2901 TG 501 Trigger output siaved to marker output from 5 sec through 100 ns One time mark can be generated at time NOTE All TM 500 generator outputs are short proot Ali TM 500 plug in instruments require TM 500 Series Power Module REV B JUN 1978 115 better than equipment being replaced 02 250 kHz to 250 MHz 108 Positive and Negative going trigger output signal 50 ns and 1 V High Amplitude output 100 V 0502 01 Comparator output can be alternateiy chopped to a refer 190B Amplitude range 40 mV to 10 V p p 0532 01 Frequency range F 0532 01 Frequency range 65 MHz to 500 MHz 180A Trigger pulses 1 10 100 Hz 1 10 and 100 kHz Multiple time marks can be generated simuitan eously 181 Multiple time marks 184 Separate trigger pulses of 1 and 1 sec 10 1 and 0 1 ms 10 and 1 us 2901 Separate trigger pulses from 5 sec to 0 1 us Multiple time marks can be generated simuitan eously EEE TM 506 amp TM 515 B committed to technical excellence CHANGE DESCRIPTION OPTION 7 IM 503 TM 504 TM 506 and TM 515 The following described bus wires and keys are added to the connector boards of the above named TM 500 Series Power Modules to provide rear interface connections between the DC 502 Option 7 the TR 502 and the SW 503 Bus Wires Six conductor
52. are turned by front panel knobs and sets of spring leaf contacts mounted on adjacent circuit boards The contacts are actuated by lobes on the cams These switches can be disassembled for inspection cleaning repair or replacement as follows 1 Remove the screws which hold the metal cover on the switch and lift the cover off the switch The switch is now open for inspection or cleaning Gen Sn Red dot cathode l Al Anode Short bulb Long buib 2 To completely remove a switch from the circuit board first remove any knobs or shaft extensions Loosen the coupling at the potentiometer at the rear of the switch and putt the long shaft out of the switch assembly 3 Remove the screws from the opposite side of the circuit board which hold the cam drum to the board 4 To remove the cam drum from the front support block remove the retaining ring from the shaft on the front of the switch and slide the cam drum out of the support block Be careful not to lose the small detent roller 5 To replace defective switch contacts follow the instructions given in the switch repair kit 6 To re install the switch assembly reverse the above procedure Pushbutton Switches The pushbutton switches are not repairable and should be replaced as a unit if defective Use a suction type de soldering tool to remove solder from the circuit board when removing these switches incandescent Bulbs Most of these light
53. before pro ceeding to extensive troubleshooting Control Settings Incorrect control settings can indicate a trouble that does not exist If there is any question about the correct function or operation of any control see the Operating instructions section of the manuali for the instrument involved System and Associated Equipment Before proceeding with troubleshooting the TM 500 Series system check that the instruments in the system are operating correctly Check for proper interconnection between the power module and the plug in modules Check the line voltage at the power source Check that the signal is properly connected and that the interconnecting cables and the signal source are not defective The associated plug in modules can be checked for proper operation quickly by substituting other like units REV B AUG 1976 known to be operating properly If the trouble persists after substitution then the power module is probably at fault Moving a properly operating plug in from compartment to compartment will help determine if one or more compart ments has a problem Visual Check inspect the portion of the system in which the trouble is suspected Many troubles can be located by visual clues such as unsoldered connections broken wires damaged circuit boards damaged components etc instrument Calibration Check the calibration of the suspected plug in module or the affected circuit if the trouble is obviously i
54. bulbs are mounted on the sub panel using plastic sleeve stand offs Unsoider the lead wires and pull the bulb out of the sleeve from the rear of the sub panel Light Emitting Diodes LED s used as indicators are mounted on the sub panels with plastic sleeve sockets similar to the incandescent bulb mountings or they are soldered directiy to a sub assembly and so mounted that they protrude through holes in the panel In these cases the sub assembiy must be exposed and the anode and cathode lead orientations carefully noted before unsoldering the defective LED See Figure 3 for LED lead identifying information Top of character Decimal point Bent leads Cathode Seven segment character chip Figure 3 Light emitting diode LED lead orientation illustration 13 System Maintenance TM 503 Power Transformer Replace the transformer only with a 1 Obtain a carton of corrugated cardboard having inside TEKTRONIX direct replacement transformer Refer to the dimensions of mo less than six inches more than the exploded view drawing at the rear of the Power Module instrument dimensions this will allow for cushioning manuals for disassembly of the rear panel to expose the Refer to the following table for carton test strength power transformer Refer to the schematic diagram color requirements coding information for correct wiring After replacement check out the power supply voltages before installing a plug in module 2 Surround
55. conductor checking information under Troubleshooting Techniques which follow A convenient time to perform preventive maintenance is just before instrument calibration Calibration To insure accurate signal generation and measurement the performance of individual units comprising the system should be checked periodically Refer to the instruction Manual for each unit for complete calibration and verifica tion procedures System Maintenance TM 503 Introduction The following is provided to augment information contained elsewhere in this and other TM 500 Series family manuals when troubleshooting becomes necessary Circuit Descriptions Each manual has a section devoted to explaining circuit operating theory Used conjointly with the schematics this can be a powerful analytic tool Diagrams Block diagrams and detailed circuit schematics are located on foldout pages in the service section of most of the TM 500 Series family manuals The schematic diagrams show the component values and assigned circuit reference numbers of each part necessary to the circuit design Usually the first page of the service sections defines the circuit symbolis and reference designators used in that particular instrument Maior circuits are usually identifi able by a series of component numbers Important wave forms and voltages may be shown within the diagrams or on adioining aprons Those portions of the circuits located on circuit boards a
56. ded w conn Q Serial Model No t 77 Ef Disc y rz aie ci Description 1 CONNECTOR COVER MOLD PLASTIC w hardware l CONN RCPT ELEC 50 CONT FEMALE 1 CONN PLUG ELEC 50 CONT MALE mounting hardware 2 NUT PLAIN EXT W 4 40 X 0 25 INCH STL 2 SCREW MACHINE 4 40 X 0 25 INCH PNH STL 3 CONN RCPT ELEC BNC FEMALE w hardware mounting hardware for each l TERMINAL LUG 0 391 ID INT TOOTH 1 PANEL REAR FOR TM503 OPT 2 15 KEY POLARIZING CONN l CKT BOARD ASSY OPTION 2 INTERFACE Circuit board assembly includes 84 TERMINAL PIN 0 365 INCH LONG Other subparts same as standard interface circuit board 1 WIRE KIT FOR TM503 OPTION 2 Service Information TM 503 Symbols and Reference Designators Electrical components shown on the diagrams are in the following units unless noted otherwise Capacitors Values one or greater are in picofarads pF Values tess than one are in microfarads pF Resistors Ohms 53 Graphic symbols and class designation letters are based on ANSI Standard Y32 2 1975 Logic symbology is based on ANS Y32 14 1973 in terms of positive logic Logic symbols depict the logic function performed and may differ from the manufacturer s data The overline on a signal name indicates that the signal performs its intended function when it goes to the low state Abbreviations are based on ANSI Y1 1 1972 Other ANSI standards that are used in the preparation of diagrams by Tektronix Inc are Y14 15 1966
57. description column 12345 Name amp Description Assembly and or Component Attaching parts for Assembly and or Component x m Detail Part of Assembly and or Component Attaching parts for Detail Part Parts of Detail Part Attaching parts for Parts of Detail Part Attaching Parts always appear in the same indentation as the item it mounts while the detail parts are indented to the right Indented items are part of and included with the next higher indentation The separation symbol indicates the end of attaching parts Attaching parts must be purchased separately uniess otherwise specified ITEM NAME In the Parts List an ltem Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification the U S Federal Cataloging Handbook H6 1 can be utilized where possible ABBREVIATIONS 0 INCH ELCTRN ELECTRON NUMBER SIZE ELEC ELECTRICAL ACTA ACTUATOR ELGTLT ELECTROLYTIC ADPTR ADAPTER ELEM ELEMENT ALIGN ALIGNMENT EPI ELECTRICAL PARTS LIST AL ALUMINUM EGPT EQUIPMENT ASSEM ASSEMBLED EXT EXTERNAL ASSY ASSEMBLY FIL FiLLISTER HEAD ATTEN ATTENUATOR FLEX FLEXIBLE AWG AMERICAN WIRE GAGE FLH FLAT HEAD BD BOARD FLTR FILTER BRKT BRACKET FR FRAME or FRONT BRS BRASS FSTNR FASTENER BRZ BRONZE FI FOOT BSHG BUSHING FXD FIXED CAB CABINET GSKT GASKET CAP CAPACITOR HDL HANDLE CER C
58. ee NERA lt ree RRR i BANZA 3 SERS EE Ee 5 w z 4 A D A AVANA GAN NS ANN EE EE EE SI N 4 DAS jenn MANA AAN 8 S NE EE Ser 6 MS AENEIS E N E y PAS INR Nat den guns 2 gt nnn Hy ESE ED MIEL 0 d 0 0 ar 2 Ke EL S tere ANTEN ROKER KAN 3 D TREE EH NAN RAYS 3 GN D TE e NITE VAT NUS CESTA 5 B 7 L OE aS 7 ed ZEN weie cece D EE EH ED we AVAN SEN T NS Vx BENN ANS EH DATI NI e ere i M 6 AR SEN MS EE pan kp A 2 Weis 2 HE NEAR AYAC ISENE 4 ati ANANAS ens BEAN MN Er HE A NEED PAR He VM RRS i 3 dere ROS VD 1122555 DAN SSIES IAMS DE NN gt AIS AN ENE NUNAN ARN EN AA AT A LAS OR SENTI EEE RAE NN EE THEY Mees SAMAN NN VESLE EINEN ARE A AND ran REEN enyen SEEN ee A De A TX e os ADU AD ANNI BWA MI SISTER RIN SERENE YAZ ANS NTN eS INN SESE _ LIB A NELE EE GE EE PAR ANTT SG nA e A YAN RR II MANIA A RIS bere ket ee ew ES ER YE Res RSS N is 5 KE VEN OSI PANI Pi 0 0 2 0 VER SEG ENN 2
59. hen replacing the transistor use a mica washer on the metal tab to increase heat transfer from the transistor to the chassis 12 System Maintenance TM 503 interconnecting Pins To replace a pin which is mounted on a circuit board first disconnect any pin connectors Then unsolder the damaged pin and pull it out of the board with a pair of pliers Be careful not to damage the wiring on the board with too much heat Ream out the hole in the circuit board with a 0 031 inch drill Remove the ferrule from the new interconnecting pin and press the new pin into the hole in the circuit board Position the pin in the same manner as the old pin if the old pin was bent at an angle to mate with a connector bend the new pin to match the associated pins NOTE A pin replacement kit including necessary tools instructions and replacement pins is available from Tektronix Inc Order TEKTRONIX Part No 040 0542 00 Cam Switches Repair of cam type switches should be undertaken only by experienced maintenance personnel Switch alignment and spring tension of the contacts must be carefully maintained for proper operation of the switch For assistance contact your local TEKTRONIX Field Office or representative NOTE A cam type switch repair kit including necessary tools instructions and replacement contacts is 7 able from Tektronix Inc Order TEKTRONIX Part No 040 054 7 00 The cam type switches consist of rotating cam drums which
60. l access at the plug in module power module interface to provide rear panel inputs and outputs and interconnections between compartments Power Source This instrument is designed to operate from a power source with its neutral at or near earth ground potential with a separate safety earth conductor It is not intended for operation from two phases of a multi phase system or across the legs of a single phase three wire system Power Usage With three plug in modules installed the TM 503 can require up to 120 W of power at the upper limits of the high line voltage ranges Actual power consumption depends on the particular module combination and operating mode selected at any one time Operating Temperatures The TM 503 can be operated in an ambient air temperature of OC to 50 C Thermal cutout devices protect the system by disconnecting the power to the TM 503 Power Module when internal temperatures rise above a safe operating level These devices automatically return power to the unit when the internal temperatures return to a safe level Since the TM 503 can be stored in temperatures between 40 C and 75 C allow the instrument s chassis to return to within the operating limits before applying power POWERING UP Plug in Modules t is not necessary that all the plug in compartments be utilized in order to operate the Power Module The only modules needed are those necessary to accomplish the task k u a su alf
61. n ordering parts to include the following information in your order Part number instrument type or number serial number and modification number if applicable If a part you have ordered has been replaced with a new or improved part your local Tektronix inc Field Office or representative will contact you concerning any change in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number 00X Part removed after this serial number ITEM NAME In the Parts List an item Name is separated from the description by a colon 1 Because of space limitations an item Name may sometimes appear as incomplete For further item Name identification the U S Federal Cataloging Handbook H6 1 can be utilized where possible ABBREVIATIONS ACTR ACTUATOR PLSTC PLASTIC ASSY ASSEMBLY QTZ QUARTZ CAP CAPACITOR RECP RECEPTACLE CER CERAMIC RES RESISTOR CKT CIRCUIT RF RADIO FREQUENCY COMP COMPOSITION SEL SELECTED CONN CONNECTOR SEMICOND SEMICONDUCTOR ELCTLT ELECTROLYTIC SENS SENSITIVE ELEC ELECTRICAL VAR VARIABLE INCAND INCANDESCENT WW WIREWOUND LED LIGHT EMITTING DIODE XFMR TRANSFORMER NONWIR NON WIREWOUND XTAL CRYSTAL REV E OCT 1975 21 Replaceable Electrical Parts TM 503 CROSS INDEX MFR CODE NUMBER TO MANUFACTURER Mfr Code Manufacturer Address City State Zip 01121 ALLEN BRADLEY COMPANY 1201 2ND STREET SOUTH MILWAUKEE WI 53204 04713 MOTOR
62. n a certain circuit The trouble may only be a result of misadjustment or may be corrected by re calibration Complete calibration instructions are given in the manual for each instrument in the system Circuit Isolation Note the symptom it often identifies the circuit in which the trouble is located When trouble symptoms appear in more than one circuit check the affected circuits by making waveform and voltage measurements Incorrect operation of ali circuits often means trouble in the power supplies Using a multimeter check first for correct voltages of the individual regulated supplies according to the plug in module schematics and calibration procedures Then check the unregulated supplies of the power modules Defective components elsewhere in the instruments can appear as power supply problems In these instances suspected circuits should be disconnected from apparently bad power supplies one at a time to narrow the search Voltages and Waveforms Often defective components can be located by using waveform and voltage indications when they appear on the schematic or in the calibration procedures Such waveforms and voltage labels are typical indications and will vary between instruments To obtain operating conditions similar to those used to take these readings refer to the first diagram in the service sections Component Checking If a component cannot be disconnected from its circuit then the effects of the associated
63. nd 8 This will keep the interface flexible by making it easy and fast to change customized wiring using prepared wires with squarepin receptactes and long nose pliers or tweezers it also protects the circuit board from damage by repeated soldering and unsoidering of jumper wires This option also adds three BNC connectors and one 50 pin connector to the rear panel These connectors are not pre wired in order to give a system designer as much flexibility as possible instead prepared jumpers coax cables and interconnection jack barriers are included in the TM503 SYSTEM DESIGN DIRECTIONS 1 Plan the plug in location left middle or right based on front panel controls and operator convenience as well as interface connections 2 Pian the wiring between interconnecting jacks and to the rear panel connectors carefully before starting assembly A mating rear panel 50 pin connector and cover are provided for external cabling NOTE There are no pin assignments for the rear panel connectors due to the great variety of possible connections When high frequency or fast digital signals are involved plan the wires so as to minimize crosstalk Make allowance for the possible need to make auxiliary ground connections The 50 pin rear panel connector will be easier to wire if it is removed and then reinstalled after wiring is complete The rear panel cutout exposes the 50 pin connector mounting hardware for ease of removal and replacement 3 Pin as
64. re enclosed with a blue tint outline Cam Switch Charts Cam switches shown on the diagrams are coded on comprehensive charts to locate the cam number of the switch contact in the complete switch assembly counting from the front or knob end toward the rear of the switch The charts also indicate with a solid dot when each contact Is closed Circuit Board Hlustrations Line illustrations showing component locations keyed with a grid scheme for each circuit board are usually placed on the back of a foldout page and sequenced as close as possible to an associated schematic The GRID LOC column in the Electrical Parts Lists keys each component to the Location illustrations Component and Wiring Color Codes Colored stripes or dots on electrical components signify electrical values tolerances etc according to EIA standards Components not color coded usually have information printed on the body The wiring coding follows the same EIA standards Testing Equipment Generally a wide band oscilloscope a probe and a muitimeter are all that is needed to perform basic waveform and voltage checks for diagnostic purposes The calibration procedures in the manuali for each plug in module list specific test equipment and the features necessary to adequately check out that particular module TROUBLESHOOTING TECHNIQUES Introduction This troubleshooting procedure is arranged in an order which checks the simple trouble possibilities
65. ribbon cable Tektronix Part No 175 0829 00 is used to make bus runs between the following points TM 503 TM 504 TM506 and TM515 814 on J10 J20 and 0 BLS on Jl0 J20 and J30 B16 on J10 J20 and 0 bil 110 320 And 430 B18 on J10 J20 and J30 Al8 on J10 J20 and J30 Barrier Keys Plastic barrier keys Tektronix Part No 214 1593 02 are inserted between pins 21 and 22 on J10 between pins 23 and 24 on J20 and between pins 17 and 18 on J30 Once the above bus connections are made and barrier keys inserted the three connectors so changed are system dedicated and the three slots should only be used for system dedicated plug ins PAGE 1 OF i CHANGE REFERENCE OPTION 7 O ZO L X 1 patens EN PILLE LP ee eee ke e ece e Pe ete te enan man encom amann ees e
66. se internally Disconnected M 110 V Nominal 99 VAC to 121 VAC H 120 V Nominal 108 VAC to 132 VAC hange Reco rd 1 H 4 1f necessary change the line cord power plug to match the power source receptacle or use an adapter 5 Plug the cord into the power source 6 Insert the desired plug ins 7 Use the bail to raise the front of the instrument REV D SEPT 1974 00 to Operating Instructions DTN tetti E y ku BEE eez ue etnies IUE mu wen EBD 2 H y ap n H KR rr p ee sere te tt b ene stot ios die tet E Ed E te Mer nM LV RS 5 H 5 Serer SES AE h 1 LEN RENT g p teye DAN ae ns oes ns DIM eS Sn ee ee na eye erer ph H WEER A s tete etc Ar ir ws FOCUS ne We te Meee s ER VIRIS ar re NEN eee p 5 H miennes ed n a We ED en DE oo 7 MV te bo DANA Geet H e FED lUe v 0 dern D D REDE Or DE H H Ze les aran E see 5990 Ze tete ene 08 teni Peu J 5 2 erd Pr eel 1 0 rna d 0 0 8 se oe eee
67. signments for individual plug ins will be found in the appropriate instruction manual 4 install an interconnection jack barrier at the appropriate location on the interconnection jack refer to TM503 instruction manual for keying assignments for family functions 5 Select and install the wires hook up or coax following the guidelines in the Wire Use part of these instructions 6 Wires or cables which may be at large potential differences should be dressed or bundied so as to avoid contact Keep all interface wiring away from the TM503 primary line wiring WERE USE 1 5 inch tong hook up wire with squarepin receptacie on both ends 20 pieces These may be used for low frequency or DC circuits where impedance levels and crosstalk are not a probiem This wire length is convenient for connections between adjacent interconnecting jacks 2 B inch long hook up wire with squarepin receptacie on both ends 20 pieces These may be used for low frequency or DC circuits where impedance levels and crosstalk are not a problem This wire length is convenient for connections between the left and right hand interconnecting jacks 3 9 inch long hook up wire with a squarepin receptacle on one end only 20 pieces These may be used for low frequency or DC connections from any interconnecting jack to any rear panel connector it will be necessary to cut the wire to length then strip and tin the end of the wire to be connected to the rear panel connector
68. t may not be a totai functional replacement Additional support instrumentation may be needed or a change in calibration procedure may be necessary Comparison of Main Characteristics DM 501 replaces 7D13 PG SOT Fsetime Joss Wan a 3 5 ns into 50 0 10 PG 501 5 V output pulse 8 3 5 ns Risetime PG 502 repiaces 107 108 PG 502 5 V output 111 PG 502 Risetime less than 1 ns 16 ns PG 508 replaces 114 aan a ta mar RE RE s s 3 0 ns into 50 A 108 10 V output pulse ns Risetime poss tt 108 10 V output 111 Risetime 0 5 ns 30 to 250 ns Pretrigger pulse Pretrigger pulse RRR O Performance of repiacement equipment is the same or 2101 PG 506 replaces 106 PG 506 Positive going trigger output sig nal at least 1 V High Amplitude out put 60 V 067 0502 01 PG 506 Does not have chopped feature 190A 1908 SG 503 Amplitude range 5 to 5 5 V p p 191 067 0532 01 SG 503 Frequency range p SG 504 repiaces 067 0532 01 SG 504 Frequency range 245 MHz to 1050 MHz PES 067 0650 00 TG 501 replaces 180 180A TG 501 Trigger output slaved to marker output from 5 sec through 100 ns One time mark can be generated at a time 181 184 TG 501 Trigger output slaved to market output from 5 sec through 100 ns One time mark can be generated at
69. t probe to the 14 and 16 pin in line IC s is with an integrated circuit test clip This device also doubles as an extraction tool Diodes Do not use an ohmmeter that has a high internal current High currents may damage the diode A diode may be checked for an open or shorted condition by measuring the resistance between terminals With an ohmmeter scale having an internal source of between S00 mV and 3V the resistance should be very high in one direction and very low when the leads are reversed Resistors Check the resistors with an ohmmeter Resis tor tolerances are given in the Electrical Parts List in every manual Resistors do not normally need to be replaced unless the measured value varies widely from the specified value Capacitors A leaky or shorted capacitor can be detected by checking resistance with an ohmmeter on the highest scale Use an ohmmeter which will not exceed the voltage rating of the capacitor The resistance reading should be high after initial charge of the capacitor An open capacitor can best be detected with a capacity meter or by checking whether it passes AC signals 10 System Maintenance TM 503 Ordering Standard Parts All electrical and mechanical replacement parts can be obtained through the local TEKTRONIX Fieid Office or representative However many of the standard electronic components can be obtained locally in less time than is required to order them from Tektronix Inc Before
70. t touch exposed connections or components Some transistors have voltages present on their cases Disconnect power before cleaning the system or replacing parts Two screws on the top secure the cabinet to the TM 503 frame Remove them and lift the cabinet straight up Do net operate the system with the cabinet removed any longer than necessary for troubleshooting and calibration Re install the cabinet to protect the interior from dust and to remove personnel shock hazards Cleaning CAUTION Avoid using chemical cleaning agents which might damage plastic parts Avoid chemicals containing benzene toluene zylene acetone or similar solvents Exterior Loose dust may be removed with a soft cloth or a dry brush Water and a mild detergent may be used however abrasive cleaners should not be used interior Cleaning the interior of a unit should precede calibration since the cleaning processes could alter the settings of calibration adjustments Use low velocity compressed air to blow off accumulated dust Hardened dirt can be removed with a soft dry brush cotton tipped swab or a cloth dampened in a solution of water and mild detergent Preventive Maintenance Preventive maintenance steps performed on a regular basis will enhance the reliability of the instrumentation system However periodic checks of the semiconductors in the absence of a malfunction are not recommended as preventive maintenance measures See the semi
71. ted at Factory Refer to Waveform _ Refer to Diagram Number Coaxial Connector Shielding Heat Sink Decoupled or Filtered m Vol tage Assembly Number ad NN Etched Circuit Board Board Name disse UNI Black Schematic Name and Number e te en 5 INTERFACE ASSIGNMENTS amp BLOCK DIAGRAM 6l 90 6021 OVA 6 punossy AS Li JVA FLL A 59 puno4tc 59 OVA SE 509 WL 846 NAP 9 38 89 0 ssaJddns 40339 03 su Je pejunus 70 3 99 64901 103 11028 jo g pug yi Suid 550438 lamod Jw mes Ajddns sBuipuim 210200085 aart SDNIANIM OVA SZ AjGOns DWA GLE eut UHM peoj 9 591005 Atddns siyi OEH punoub anoge pajejosi Buipuim 958 jo 05 493 93 au 01 4 194 0 39344 456 403 yoee g pue yg pue g pue YE sul ui 3ueunaeduioo2 qoea jo 8 pug YZ suid je papraosd si Ajddns 91 GEH 40151581 1208080 pue GED deo 4911 ZEO pue OED Sde uononpa sesiou ZEYI pue OEHO Sepoip 4955023894 Ag Buipuim AVA GLE out 850438 padojanap st jddns sib ATddNS A 7 Ajddns A G Li au yum Buipeo saaeus Ajddns siu 468 8 480 03 yoee jo 8 pue wg suid 550435 aamod Jy Mes senddns Guipuim Asepuases 5811 DNIONIM OVA
72. the instrument with polyethylene sheeting to protect the finish of the instrument 3 Cushion the instrument on all sides by tightly packing dunnage or urethane foam between carton and instru ment allowing three inches on ail sides REPACKAGING FOR SHIPMENT 4 Seal carton with shipping tape or industrial stapler if the Tektronix instrument is to be shipped to a Tektronix Service Center for service or repair attach a tag showing SHIPPING CARTON TEST STRENGTH owner with address and the name of an individual at your firm that can be contacted complete instrument serial number and a description of the service required rose Me ant Pal Parton best sng 0 10 200 10 30 275 Save and re use the package in which your instrument was 30 120 375 shipped If the original packaging is unfit for use or not 120 140 500 available repackage the instrument as follows 140 160 600 REV B AUG 1976 14 Option Information TM 503 Your instrument may be equipped with one or more options This section describes those options or directs the reader to where the option is documented Pages Option 2 Optional interface Described in this section 2 15 Option Information TM 503 OPTION 2 INTRODUCTION This factory installed option adds 25 mil squarepin connectors to the rear of the interconnecting jacks at all pin locations from pins 14A and B through pins 28A a
73. tog an atate H Vul 3 E SMe 2 RS tn SS e ER APR casei RF FRY RRR EE ed TIN ND RR A es or ral 1 yusa UII NA SAGT ER EE EM Ene MNA ANNUI OENE M RRA eo V gt MUN PEE RS Sep EE EE i van INE DE EE EG EE RT SASH EE IN LA pan An SHO ATE ne NARA BOETE 3 d Kal E 7 Qr De H EEN EE NAA Ae ie n AN TN RA SE W n hen PIN RA tt gee E RR M PITRE rre reef GENERE ANIM ei AA NG ER Miri eri M Qr IM ee NA rr NR ee AN NT IT OO RI ETIANI MINA II EK ber TEN DO DEN EE een SA rre eee i NM TERROR ete GE H a eere e ee T EN e a T e ONT pon gee H ATIS RAE XY 0 MSAN x 3 w SY N e TTA T RAT Ner SNN 6 Sven An 0 n TRIER ASSEN NENNE ad Ra SSS MEAN ERI NAR EE A Ne MA t RN TE EN EVDAN AY A cap ENN NEON Erna re tU DUANE DINEM SE EE 0 AE EE ESSIEN EE EGO RE OS CEE EINEN ATARI en Dern NERS ee NNN AED EN ste TANN EAN E Ann EE S Pe IE DN YA DO RA Ee ee ORE FT reee ee
74. ty with the customized wiring 4 2 2 8 25 is i gt a Aus 2 L 2 POWER SUPPLY 2 FAMILY KEY a Frere AA PAS gt MARAN gt t A A ae VENN AA vn ROOS DAANEN YEN DN 5 Figure 1 Keying assignments for family functions One of many possible sequence combinations Operating Instructions TM 503 Rear Panel The rear sub panel is punched for BNC and muiti pin connector mountings Customer or factory installed connectors and wiring see following description of catalog Option 2 could provide external access to the interface for external I O control This feature makes the TM 500 Series Modular Instrumentation System very flexible in bench top or rackmounted systems Option 2 This factory installed option adds 25 mil squarepin connectors to the rear of the interconnecting jacks at all pin locations from pins 14A and B through pins 28A and B This will keep the interface flexible by making it easy and fast to change customized wiring using prepared wires with squarepin receptacles and long nose pilers or tweezers ft also protects the circuit board from damage by repeated soidering and unsoldering of jumper wires This option also adds three BNC connectors and one 50 pin connector to the rear panel These connectors are not pre wired in order to give a system designer as m
75. uch flexibility as possible Instead prepared jumpers coax cables and interconnection jack barriers are included in a kit Power Hequirements Line Voltage Ranges Universal Transformer 100 110 120 200 220 240 VAC all within 1096 Range changing for transformer accomplished with dquick change line selector block Line Frequency Ranges Universal Transformer 48 Hz to 440 Hz Power Consumption Maximum primary power approxi mately 120 W at high line Actual power consumption depends on plug in selection and operating modes Power Cord Conductor identification Alternate Color Ungrounded Line Brown Black Grounded Neutral White Grounding Earthing Green Yellow Green Yellow Conductor Supplies Unregulated Two 25 VAC windings 500 mA each supplied to each compartment independently 2 do SOA 7 Stacking and Rackmounting TM 503 s with their cabinets and feet place may be stacked on top of each other The feet provide clearance for the lower unit s handle and at the same time give adequate spacing for the necessary ventiiation The TM 503 is designed to be half rack width Field conversion kits with slide out tracks are available to mount one or two TM 503 s in a standard 19 inch rack Vertical space needed is 5 1 4 inches For the necessary hardware and instructions to mount two TM 503 side by side with slide out assemblies order TEKTRONIX Part Number 040 0616 01 To

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