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Summary of Contents for SC 501

Page 1: ...INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97005 Serial Number 070 1700 00 First Printing APR 1974...

Page 2: ...Horizontal Deflection System 1 6 Table 1 4 Triggering 1 6 Table 1 5 Display 1 7 Table 1 6 Environmental 1 7 SECTION 2 SERVICING INFORMATION Introduction 2 1 Contents 2 1 Maintenance 2 1 Cathode Ray T...

Page 3: ...sc 501...

Page 4: ...he triggering circuits allow stable triggering from either internal or external sources An AUTO triggering mode and manual LEVEL SLOPE selection is combined in a single control With no input signal au...

Page 5: ...p I i t 1 1 i ImTUISI Jl TY EXT HORIZ pin jack Operates in conjunction with internal swit to al low X Y operation Range EXT TRIG pin jack Allows sweep triggering from external sources Tima Div button...

Page 6: ...is monitored at a low impedance point However when any of these factors are missing it becomes increasingly important to use shielded cables In all cases the signal transporting leads should be kept...

Page 7: ...T NOTE Refer to Power Module instruction manual for information concerning pins labeled Not used INPUT ASSIGNMENTS The VERT INPUT signal EXT TRIG signal and EXT HORIZ signal can be applied through the...

Page 8: ...CTERISTICS PERFORMANCE CONDITIONS The electrical characteristics are valid only if the SC 501 has been calibrated at an ambient temperature between h 20 C and t 30 C and is operating at an ambient tem...

Page 9: ...fxartion within center eight divisions Within 5 Disregard first 0 5 is of total sweep length External Horizontal Amplifier Internal switch must be set to X Y position Bandwidth Dcto 100 kHz Internally...

Page 10: ...Information Temperature Operating 0 C to t50 C Storage 40 C to 75 C Altitude Operating To 15 000 feet Storage To 50 000 feet Vibration Operating and Non operating With the instrument complete and ope...

Page 11: ...ed in the Power Module instruction manal i e preventive main tenance troubleshooting aids parts removal and replace ment procedures parts ordering information etc Adjustment of the SC 501 may be requi...

Page 12: ...range from 1000 V to t 100 V For example a DM 501 Digital Multimeter or any high impjedance dc voltmeter meeting the above requirements 5 Amplitude Calibrator accuracy within 0 25 Out put amplitudes...

Page 13: ...s based on MIL STD 806B in terms of positive logic Logic symbols depict the logic function performed and may differ from the manufacturer s data The following special symbols are used on the diagrams...

Page 14: ...you concerning any chartge in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS XOOO Part first added at this serial number OOX Part removed after t...

Page 15: ...be Inc 1710 S Del Mar Ave San Gabriel CA 91776 22229 Solltron Devices Inc 8808 Balboa Ave San Diego CA 92123 24931 Specialty Connector Co Inc 3560 Madison Ave Indianapolis IN 46227 27014 National Semi...

Page 16: ...CAP C378 290 0410 00 CAP C380 285 0629 00 CAP FXD PLSTC 0 010F 1 200V 14752 FXD PLSTC 1UF 1 200V 14752 FXD CER DI O OIOF 80 20 150V 72982 FXD CER DI 150PF 30PF 500V 72982 FXD CER DI 6 2PF 0 25PF 500V...

Page 17: ...150MA SEMICOND DEVICE SILICON 30V ISOMA SEMICOND DEVICE SILICON 30V 1 SOMA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICC J 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICO...

Page 18: ...47 00 TRANSI STOR S ILICON NPN 80009 151 0347 00 C350 151 0301 00 TRANSISTOR S ILICON PNP 04713 2N2907A Q360 151 0519 00 TRANSISTOR SILICON SCR 04713 2N5063 C365 151 0254 00 TRANSISTOR SILICON NPN 035...

Page 19: ...5 0272 00 RES FXD COMP 2 7K OHM 5 0 25W 01121 CB2725 R200 315 0223 00 RES FXD COMP 22K CMM 5 0 25W 01121 CB2235 R205 315 0332 00 RES FXD CC a 3 3K C M 5 0 25W 01121 CB3325 R210 311 1686 00 RES VAR NON...

Page 20: ...S 0 25W 01121 CB1845 R336 315 0222 00 RES FXD CC P 2 2K C m 5 0 25W 01121 CB2225 R337 315 0472 00 RES FXD COMP 4 7K C M 5 0 25W 01121 CB4725 R339 321 0344 00 RES FXD FILM 37 4K OHM 1 0 125W 75042 CEAT...

Page 21: ...F R523 321 0226 00 RES FXD FILM 2 21K 0HM 1 0 125W 75042 CEAT0 2211F RS25 315 0121 00 RES FXD COMP 120 OHM 5 0 25W 01121 CB1215 R527 315 0121 00 RES FXD COMP 120 OHM S 0 25W 01121 CB1215 R532 321 0226...

Page 22: ...umber 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 irxficate item relatio...

Page 23: ...ELECTROLYTIC OD OUTSIDE DIAMETER TRH TRUSS HEAD ELEM ELEMENT OVH OVAL HEAD V VOLTAGE EPL ELECTRICAL PARTS LIST PH BRZ PHOSPHOR BRONZE VAR VARIABLE EQPT EQUIPMENT PL PLAIN or PLATE w WITH EXT EXTERNAL...

Page 24: ...12SVAC 10389 23 021 309 22 1 RES VAR SEE R130 EPL ATTACHING PARTS 23 210 0583 00 1 NUT PLAIN HEX 0 25 32 X 0 312 INCH BRS 73743 2X20319 402 24 210 0940 00 1 WASHER FLAT 0 2 5 ID X 0 375 INCH OD STL 7...

Page 25: ...SINR ELEC 0 28 X 0 18 OVAL X 0 187 H 80009 214 0973 00 65 260 0723 00 1 SWITCH SLIDE DPDT 0 5A 12 5VAC 80009 260 0723 00 66 260 1332 00 1 SWITCH PUSH 1 BUTTON 71590 2RAB010010 XXX 67 361 0542 00 2 SP...

Page 26: ...und Check that each supply withi the tolerance liisted below Supply Tolerance 20 V 19 9 V to 30 1 V 20 V 19 6 V to 20 4 V 8 V 7 9 V to 8 5 V 8 V 7 8 V to 8 6 V 65 V 60 V to 70 V 980 V 950 V to 1010 V...

Page 27: ...marks from Time Mark Generator to VERT INPUT connector on SC 501 Adjust SC 501 controls so that second marker is on the second vertical graticule line Check for proper timing over the center eight div...

Page 28: ...NOTE AFTER COMPLETION OF STEPS 16THROUGH 18 REPEAT STEPS 13 THROUGH 15...

Page 29: ...EFERENCE DATE 9 10 74 DESCRIPTION M22 921 ELECTRICAL PARTS LIST AND SCHEMATIC CHANGES CHANGE TO R165 308 0349 00 RES FXD WW 3 6K OHM 1 3W R167 322 0205 00 RES FXD Fim 1 33K OHM U 0 25W R176 322 0205 0...

Page 30: ...E REFERENCE Cl 1074 DATE 10 8 74 CHANGE DESCRIPTION 070 1700 00 CALIBRATION ADJUSTMENTS Step 21 Adjust Ramp Out CHANGE TO READ With SC 501 controls set the same as for step 8 attach probe of test osci...

Page 31: ...1700 00 DATE 1 7 75 CHANGE DESCRIPTION CALIBRATION ADJUSTMENTS Step 10 CllANCi AJiust C112 to read Adjust C104 CllANCn Adjust CllO to read Adjust C102 Step 11 CHANGE Adjust C104 to read Adjust Cl 12...

Page 32: ...0 U CHANGE REFERENCE 3 539 DATE 7 17 75 CHANGE DESCRIPTION 070 1700 00 ELECTRICAL PARTS LIST AND SCHEMATIC CHANGES CHANGE TO A1 670 3304 02 CKT BOARD ASSY MAIN C154 281 0637 00 CAP FXD CER DI 91 PF 5...

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Page 35: ...0250 KT 9X00 I i Eveu si ope SOUR ce FOL LOWER SV EEP GENERATOR HORIZONTAL amplifier Q2SZ Q28E Q Z10 Q2HO Z AXIS amplifier asiE Gisau GiaRO QS4E as4S MI H VOLTA E SUPPLIES Q850 SlSTO Q 3C 0 Q3SO S134...

Page 36: ...f R142 so that there is no current through the gain setting resistor R129 when the VARIABLE control is fully clockwise The input stages are diode clampred by CR121 and CR125 protecting the input stage...

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Page 38: ...he sweep capacitors Sweep length is controlled by a voltage applied to pin 6 from R212 Sweep Adjust Sweep VARIABLE control R225 controls the charging current to the sweep integrating capacitors and wh...

Page 39: ...80TM OUT XI 1 XJOOl Ixiol S115 I yn S out T T T IZOWT L AMPUlFiEfa oi Ol...

Page 40: ...ilament A separate transformer tap and rectifier circuit CR382 in the second ary of T380 produces about t70 V dc for the vertical horizontal and Z axis amplifiers The 350 volts peak to peak output of...

Page 41: ...sc 5 01 REV 6 AUC Z Axis and CRT Cir cuit OKM 0174...

Page 42: ...n Q510 controlling or regulating the conduction of the PNP series pass transistor located in the mainframe to correct for a change in the 20 V supply R500 20 V Adjust sets the quiescent level at the b...

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