Tektronix 7D12 Service Instructions Manual Download Page 29

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Summary of Contents for 7D12

Page 1: ...Tektronix Inc P O Box 500 Beaverton Oregon 97005 070 1470 00 TEKTRONI 7D 2 AID CDNVERTER SERVICE INSTRUCTION MANUAL Serial Number Firs Printing JUNE 1974 ...

Page 2: ...etails This can often be done very reasonably in consideration for adding your manual to our library Typically the scans in our manuals are done as follows 1 Typed text pages are typically scanned in black and white at 300 dpi 2 Photo pages are typically scanned in gray scale mode at 600 dpi 3 Schematic diagram pages are typically scanned in black and white at 600 dpi unless the original manual ha...

Page 3: ...ssure you the fastest possible seniee Please Include the instrument Type Number or Part Number and Serial Number with all requests lor part or service Specifications and price c hange privileges reserved Copyright 1974 by Tektronix Inc Beaverton Oregon Printed in the United Slates of America All rights reserved Contents of this publication may not be reproduced in any form without permission 01 Te...

Page 4: ...3 4 PRELIMINARY INFORMATION 2 1 Soldering Techniques 3 4 BLOCK DIAGRAM 2 1 Component Replacement 3 5 Block Diagram Description 2 1 Circuit Board Replacement 3 6 LOGIC TRIGGERING 2 2 Switch Replacement 3 7 4 1 2 DIGIT A D CONVERTER AND LOGIC 2 3 SECTION 4 PERFORMANCE CHECK CALIBRATION READOUT LOGIC 2 5 THE TEKTRONIX READOUT PRELIMINARY INFORMATION 4 1 SYSTEM 2 8 Calibration Interval 4 1 INVERTER PO...

Page 5: ...iece 4 1 2 Digit AID Converter cont 2 7 1 2 7012 Front panel control 2 5 Block diagram of the and connector functions 1 1 Readout Logic section 2 9 1 3 Display mode switch 2 6 Block diagram of the location and functions 1 2 Inverter Power Supply 2 10 1 4 7012 and module installation 1 2 2 7 Block diagram of the Dual Trace 2 1 Block diagram of module and Vertical Amplifiersection 2 11 7012 A D Conv...

Page 6: ... Digit A D Converter adjustment locations 6 4 A1 Mainboard component locations 6 8 A2 Floating circuit board adjustment locations MECHANICAL PARTS LIST ILLUSTRATIONS Figure Number Exploded view 2 3 Accessories and Repackaging 4 Dimensions LIST OF TABLES Table Page Number 2 1 7012 Readout Format 2 8 2 2 U148 Input Output Table for CH 1 and CH 2 Display Modes 2 12 3 1 Fuse Ratings 3 7 4 1 Test Equip...

Page 7: ...WI _ _ M1 UNCTIO N OOU M3 _ m E IG 470 1 Fig 1 1 7012 A O Converter with M1 Multi function MOdule partially Installed M2 Sample Hold Module and M3 AM S Volts Module 7012 Service ...

Page 8: ... function is dictated by the module installed Instructions for operating the 7012 are located in the Operating Instructions for each module i e Ml M2 or M3 A brief description of the 7012 Front Panel Controls and Connectors is shown in Fig 1 2 TRIG O Indicator VER TI CAL DISPLAY POSITION ContrOl Positions he SIgnal displav verti cally on the crt en u ed in the vertical plug in compartment of VERTI...

Page 9: ... Refer to the Ma in te nance Section o f th is manua l fo r recommended clean ing methods and sol ents The 7012 is calibrated and ready for use with amodule as received It can be installed In any compartment of Tektronix 7000 series oscilloscopes but is intended prin cipally for use in vertical ptug in compartments To install align the upper and lower rails of the 7012 with the oscilloscope tracks...

Page 10: ...g 2 1 is readily apparent except for the Inverter Power Supply This supply permits floating the AID Converter section enabling measurements with the inputs elevated as high as 1 kV Further not all modules utilize the Display and Gate amplifier circuits shown Each block represents a major circuit within the instrument The numbered diamond in each block refers to the circuit diagram located at the b...

Page 11: ... AID Convert Command The M2 module however holds the trigger signal until the M2 sampling process is complete before releasing an AID Convert Command TRIGGERING SWITCH Auto Mode Free Run Oscillator 0610 is connected as the trigger source The oscillator has a nominal output frequency of4 hertz External Mode The Free Run Oscillator and 5 volt sources are disconnected External trigger signals connect...

Page 12: ...el at Input 2 as that of the offset voltage appearing at Input 1 thereby Theory of Operation 7D12 Service holding the IGml Converter output at zero volts Capacitor C302 stores the offset voltage required to hold the IGml Converter output at zero volts during integration 4 Sw 6 is closed setting the Integrator output to zero volts AT TIME ZERO to A negative going trigger pulse AID Busy Sets the 2 m...

Page 13: ...T RAMP PULSE SW4 CLOSED 1 to tl 1 2ms l 20 ms 1111111111111111111111111111111111111111111111111111111111111 I IREF I OUTPUT OF INTEGRATOR I x 0 20 000 COUNTS COUNTS 2 4 SW 5 CLOSED 1 SW 6 OPEN 1 20 K COUNT PULSE STOP COUNT PULSE 1 The switch states mentioned occur at the positive going transition Fig 2 3 Timing diagram of the 4112 Digit AID Converter 1470 7 ...

Page 14: ...begins discharging C379 and the 4 Decade Counters Latches are cleared to measure C379 discharge time AT TIME THREE t 3 The output of the Integrator C379 is discharged to zero volts and the Comparator output Resets the Stop Count ff The 0 output of the Stop Count ff changes the electronic switch states as follows 1 Sw 5 opens disconnecting the Reference Current Generator 2 Sets the Integrator Zeroi...

Page 15: ...62 INTEGRATOR COUNT CONVERTER V V STOP U276 Q267 Q367 Q369 FF Q270 Q278 r Q275 U283 g jg U342D C I E I r U L _r r T I I I I I I I I I I I I I I I AID STANDBY FF o OFFSET VOLTAGE STORAGE CAPACITOR C302 J lIA 1 Q290 53 r _ on 0 AUTO ZEROING I y CIRCUIT V U301 Q290 Q296 Q298 1 START RAMP FF T348 Q344 Q342A B Q336 56 L __ I J 00 1 v vrAvv J I I I I 1 INTEGRATOR ZEROING LOGIC U317B Q332 S r 0 r l ___ I...

Page 16: ... INVERTER POWER SUPPLY 4 DECADE COUNTERS LATCHES U500 Q507 TRANSFER Q480 S MEASUREMENT PERIOD FF R U476A D o HOLD FROM OSCILLOSCOPE READOUT SECTION NOT USED HELD LO CARRY 20 K COUNT 4 FF Q507 U509A 8 RESET TO OSCI LLOSCOPE LATCHES t t 6 gl U514A 8 SECTION 20 ms AID t C i6NG MODULE t CD o o o CD m O I I c II tn CD 1470 168 L __________________________________________________________________________...

Page 17: ... Time slot pulse TS 7 encodes Least Significant Digit Blanking depending upon the module POLARITY AND OVER RANGE INDICATOR The Polarity Enable information to OS24 is determined by the module Time slot pulse TS 2 is coupled to OS24 via switching in the module to provide the Polarity Enable pulse If the input to the base of OS24 goes to a 10 level current is added to the Column Current output during...

Page 18: ... a 1 r _ _ TS 6 bI6 __ T S 5 _ _ _ TS 5 TS 4 a17 _ _ _ _ _ TS 4 TS 3 1330 A31 831 1 32 B32 a18 _ T S 3 _ _ _ _ _ a19 TS 2 TS 2 1 33 a20 ___ _T S I __________________________________________ _ _ _ _ _ TS 1 833 b18 COLUMN CURRENT REFERENCE r_ r_ r _r __I GENERATOR R499 20 K _ _ J ___ 1 DTOA CONVERTER OVER RANGE COUNT TRANSFER Q547 OUTPUT __ ______ PULSE ENABLE l S r_ H O L D N O T U S E D 822 Fig 2 ...

Page 19: ...s selecting a character to be displayed or a special instruction to be followed J100 TO PLUG IN __ MODULE GUARD a2 15V F b3 15 v F a4 5 v F a3 GND F b2 C I 15 V REGULATOR U618 0622 0620 0626 h 15 V f l REGULATOR 0639 U643 0646 5V REGULATOR U669 0661 0664 POWER CONNECTORS L INVERTER POWER SUPPLY INVERTER The block diagram of the Inverter Power Supply is shown in Fig 2 6 The Inverter is driven with ...

Page 20: ...onics industry are not described in detail If more information is desired on these commonly used circuits refer to the following textbooks Jacob Millman and Herbert Taub Pulse Digital and Switching Waveforms McGraw Hili New York 1965 Robert C Baron and Albert T Piccirilli Digital Logic and Computer Operations McGraw Hili New York 1966 Thomas C Bartee Digital Computer Fundamentals McGraw Hili 1962 ...

Page 21: ...of 0177 should be zero volts during a no signal in condition The amplifier is balanced by setting the 0177 collector TP177 to zero volts using the Trig Level adjustment R169 In the balanced condition signal display information to the base of 0170 will have equal amplitude in the positive and negative going excursions to internal ly trigger the time base GATE DISPLAY Gate display information from t...

Page 22: ... GENERATOR The emitter current of 0353 is held constant by VR350 and U351 thereby holding the input of U356 at a constant Theory of Operation 7D12 Service voltage The output of U356 drives JFET 0363 allowing current to flow through series resistors T362 R361 R360 and R359 AID Gain adjustment R361 sets the current necessary to discharge C379 in a given period of time therefore the AID Gain adjustme...

Page 23: ...ent The U500 An output current determines the Column current to the mainframe readout circuit At t2 the 20K Count pulse enables U492A and pin 6 of U514C samples the polarity information At hi input at U514C pin 6turnson 0524and the Polarity Enablegoes 10 providing a readout information to the mainframe readout circuit 2 14 LOGIC TRIGGERING SINGLE SWEEP RESET The Single Sweep Reset pulse from the m...

Page 24: ...el drops below 3 5 volts 0626 turns off thereby disabling the supply Theory of Operation 7D12 Service 15 Volt Regulator Current flows from the 15 volt output through R640 and R641 to the 5 volt reference voltage The resultant voltage drop across the divider sets U643 pin 3 at zero volts Any attempted output voltage change in the 15 volt supply appears at pin 3 of U643 thus changing the output leve...

Page 25: ...the interior of the unit should precede calibration since the cleaning process could alter the settings of the calibration adjustments Use low velocity compressed air to blow off the accumulated dust Harden ed dirt can be removed with asoft dry brush cotton tipped swab or cloth dampened with mild detergent and water solution Lubrication The reliability of potentiometers switches and other moving p...

Page 26: ...Tester Some means of testing the transistors diodes fet s used in this instrument is helpful A transistor curve tracer such as the Tektronix 576 Curve Tracer will give the most complete information 2 Multimeter A voltmeter is required for checking voltages within the circuits and an ohmmeter for check ing fuse continuity and resistance values 3 Test Oscilloscope A test oscilloscope s required to v...

Page 27: ...n ient means of clipping a test probe to the 14 and 16 pin IC s is Maintenance 7D12 Service with an IC test clip This device also doubles as an extraction tool The lead configuration for the semicon ductors used in this instrument are shown on the diagrams preceding the diagrams section Diodes can be checked for an open or shorted condition by measuring the resistance between terminals With an ohm...

Page 28: ...cal parts used in this instrument have been manufactured by Tektronix Inc Order all special parts directly from your local Tektronix Field Office or representative 3 4 Ordering Parts When ordering replacement parts from Tektronix Inc include the following information 1 Instrument Type 2 Instrument Serial Number 3 A description of the part if electrical include circuit number 4 Tektronix Part Numbe...

Page 29: ...se integrated circuits pull slowly and evenly on both ends of the device Try to avoid having one end of the integrated circuit disengage from the socket before the other as the pins may be damaged Interconnecting Pin Replacement Two methods of interconnection are used in this instrument to connect the circu it boards with other boards and components When the interconnection is made with a coaxial ...

Page 30: ...omponents Part numbers for completely wired circuit boards are given in the Mechanical Parts List The Triggering switch board is mounted on the front panel and the Floating Board is mounted as a sub assembly on the back of the mainboard pin connectors are used for most interconnections with other circuit boards and components Use the following procedure to remove the subassemblies and panel mounte...

Page 31: ...per operation of the switch For assistance in maintenance of cam type switches contact your local Tektronix Field Office or representative CAM TYPE SWITCH Disassemble VERTICAL DISPLAY ATTEN cam type switch as follows Maintenance 7D12 Service NOTE A cam type switch repair kit including necessary tools instructions and replacement contacts is available from Tektronix Inc Order Tektronix Part Number ...

Page 32: ...ckaging If this instrument is to be shipped for long distances by commercial transportation it is recommended that it be 3 8 repackaged in the original manner for maximum protec tion The original shipping carton can be saved and used for this purpose An illustration associated with the Mechanical Parts List shows how to repackage the 7D12 and gives the part numberforthe packaging components New sh...

Page 33: ...to touch up the adjustment of a portion of the instrument between major recalibrations To check or adjust only part of the instrument start with the Equipment Required list preceding the desired portion of the procedure To prevent unnecessary recalibration of other parts of the instrument readjust only if the tolerance given in the CHECK part of the step is not met If readjustment is necessary als...

Page 34: ...multaneously connect a signal to two inputs Signal connection and termination informa tion for the test equipment should be available in the associated instruction manual Description Minimum Specifications 1 Indicator Tektron ix 7000 series Oscilloscope oscilloscope equipped with a readout system and a calibrator square wave output 0 2 V and 0 4 V into 500 2 Calibration Tektronix 7012 Fixture Cali...

Page 35: ...r adjustments Digital Multimeter c Fluke Model 825A Differential DC Voltmeter 9 Square Wave Risetime greater than Attenuator high a Tektronix Type 106 Generator 1 nS output amplitude frequency compen Square Wave Generator at least 500 mV into sation adjustment 50 O 10 1X Voltage Compatible with Tek Inverter signal a Tektronix P6011 Probe tronix amplifier neutralization ad Probe units justment Gate...

Page 36: ...ples of Applicable Specifications Test Equipment 16 Screwdriver l Three inch shaft Used throughout a Xcelite R 3323 3 32 inch bit procedure to adjust variable resistors 17 Tuning Tool l Low Capacitance Used throughout a Tektronix Part procedure to adjust 003 0675 00 variable capacitors 4 4 ...

Page 37: ...IInless staled olhorwisQ Insert the 7D12calibration fixture into the 7012 see Fig 4 and install them in a vertical plug in compartment of the indicator oscilloscope Fig 4 1 7D12 Calibralion Fixture installed 2 Install a time base unit Into the horizontal compart ment of the indicator oscilloscope 3 Connect th e indicator oscilloscope to a power source which meets the voltage and frequency re quire...

Page 38: ...e limits for each switch setting listed in Table 4 2 TABLE 4 2 2 7012 Calibration Fixture 3 50 ohm coaxial cable f Disconnect the calibrator signal 2 Check Chopped and Alternate Mode a Remove the 7012 from the indicator os cilloscope b Remove the 7012 left side panel and set the internal Display Mode switch to the Alt position See Fig 1 3 c Insert the 7012 into the oscilloscope vertical plug in co...

Page 39: ...loscope calibrator f Set the 7D12 TRIGGERING switch to EXT g CHECK TheTRIG D indicator light should not be on 3 50 ohm coaxial cable 4 Special purpose cable 5 Dual banana plug to female BNC adapter h Disconnect the calibrator signal i CHECK The voltage readout obtained in part e should remain displayed on the crt j Connect a 4 volt 1 kilohertz signal from the oscillator calibrator to the TRIGGERIN...

Page 40: ...K Rotate the GATE POSITION control fully clockwise and counterclockwise The gate trace should move off the graticule area in both directions 3 50 ohm coaxial cable 4 Special purpose cable d Set the gate trace 1 division below the center horizontal graticule line e Connect a 200 millivolt signal from the oscillator calibrator to the 7D12 Calibration Fixture Gate Waveform Direct Input connector f CH...

Page 41: ... 4 15 Analog to Digital Converter 12 Adjust auto Triggering Measure ment Rate 13 Check Manual and External Page 4 16 Triggering Measurement Rate 4 16 14 Adjust AID Bias 4 17 15 Adjust Column Current 4 17 16 Adjust AID Gain 4 18 17 Adjust Gain Pulse Neutralization 4 18 PRELIMINARY PROCEDURE FOR CALIBRATION NOTE This instrument should be calibrated at an ambient temperature of 250 C for best overall...

Page 42: ... 5 00 volts d INTERACTION Any change in the selling 01 A61 3 may affect AI D Gain Check step 30 TABLE 4 3 2 Check all Floating Power Supply Voltages a CHECK Table 4 3 tists the floating power supply voltages in the instrument Check each supply with the precision dc voltmeter for output voltage withIn th e given limits b_ Disconnect the voltmeter 3 Adjust Inverter Signal Neutralization a Install an...

Page 43: ...ALIZED Performance Check Calibration 7D12 Service e CHECK That the inverter pulse is neutralized chopped signal nUll Referto example in Fig 4 2b f ADJUST The Inverter Sig Neut adjustment C593 to neutralize null the inverter pulse shown in Fig 4 2a NOTE The transformer TS9S leads can be dressed to optimize the CS93 adjustment if necessary g Disconnect the 1X voltage probe and remove the amplifier p...

Page 44: ...center lineol the graticule using the VERTICAL DISPLAY POSITION control c Set the VERTICAL DISPLAY ATTEN switch to IX d CHECK For no vertical trace shift e ADJUST Display Ollsel adjustment R138 10 return the trace to the horizontal center line of Ihe graticule f INTERACTION Repeat parts a through e several times 10 minimize vertical trace shift g CHECK Rotale the VERTICAL DISPLAY POSITION control ...

Page 45: ...eep rate to 50 milliseconds per division e CHECK The vertical display trace and the gate trace should be displayed alternately with each sweep on the crt f Set the internal Display Mode switch to the Chop position g CHECK Thevertical display trace and the gate trace should start at the same time h Set the time base unit sweep rate to 50 microseconds per division i CHECK Rotate the GATE POSITION co...

Page 46: ...Camp and Display HF Comp adjustments Cl02 and C198 alternately for besl front corner aill 1 Ilat toP h Set the VERTICAL DISPLAY ATTEN switch to 2X I Adjust the square wave generator con trols 10 display 2 8 divisions o f signal amplitude on the crt i Position the top of the square wave to the horizontal cenler tine of the gralicule k CHECK Abberrations should nOI exceed 1 0 14 division I ADJUST 2X...

Page 47: ... Response a Position the vertical display trace off the graticule area Performance Check Calibratlon 7D12 Service b Set the GATE switch to ON c Connect the medium frequency generator out put to the 7D12 Calibration Fixture Gate Waveform Direct Input connector d Set the medium frequency generator for 6 divisions of vertical deflection at its reference frequency 50 kilohertz e Without changing the o...

Page 48: ...ent R4 41 to Ihe desired measurement rate See the lollowmg note NOTE 1he measurement ra le can be adjusted from one 10 approximately fOU f ftmasurements per second determmed by lIle selting of Trig Rate adjus lment R441 This IS factory preset to approximately lour measllloments per second The Trig Rate range carl be adJtlsled 10 12 mcasurements per second by chal qlllg 1 0 value of A407 030 KO 4 1...

Page 49: ...loscope column data switch IC integrated circuit pin 7 located on the oscilloscope readout circuit board c Connect a 10X probe from the time base unit external trigger input to the indicator oscilloscope row data switch IC integrated circuit pin 3 located on the oscilloscope readout circuit board d Connect a dc voltage calibrator output to the 7012 Calibration Fixture AID Direct Input jacks e Set ...

Page 50: ...are displayed in the tens readout repeat parts h through n q ADJUST Column Current adjustment R499 to position the numeral 8 time slot pulse amplitude up to the numeral 9 level the digital readout display 8 will change to 9 r Repeat parts m and n If all numerals are displayed in the tens readout repeat parts h through n s Disconnect all connections 16 Adjust AID Gain a Set the TRIGGERING switch to...

Page 51: ... I 90 f l 10 l l jf l I I 2 10j s A GATE PULSE Performance Check Calibratlon 7D12 Service h Disconnect all connections This completes the Calibration Procedureforthe 7012 Disconnect all test equipment and replace the os cilloscope side panels and the 7012 side covers I i 1000 10jlV I I gO 8 GATE PULSE NEUTRALIZED 1470 13 Fig 4 4 Typical example of gate pulse neutralization 4 19 ...

Page 52: ...contact you concerning any change 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 this serial number ITEM NAME In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further ...

Page 53: ...ents IRC Philadelphia Div Littelfuse Inc Miller J w Co Tektronix Inc Bourns Inc International Rectifier Corp Mallory Capacitor Co Radio Materials Co Dale Electronics Inc ADDRESS 1201 2nd St P O Box 5012 P O Box 530 Route 202 5005 E McDowell Rd 464 Ellis st 12515 Chadron Ave Commerce Drive Lower Washington St 1300 Terra Bella Ave 2201 Laurelwood Rd 811 E l rques 68 Lincoln I y P O Box 760 3560 Madi...

Page 54: ...982 855 547E103Z C245 290 0535 00 CAP FXD ELCTLT 33UF 20 10V 56289 196D336X0010KAI C250 283 0111 00 CAP FXD CER DI 0 1UF 20 50V 72982 8131N075651104M C264 283 0111 00 CAP FXD CER DI 0 1UF 20 50V 72982 8l31N075651104M C269 283 0078 00 CAP FXD CER DI 0 001UF 20 500V 56289 20C114A8 C272 283 0111 00 CAP FXD CER DI 0 1UF 20 50V 72982 8131N075651104M C274 281 0512 00 CAP FXD CER DI 27PF 2 7PF 500V 72982...

Page 55: ...2982 301 000COG0808B C598 283 0111 00 CAP FXD CER DI 0 1UF 20 50V 72982 8131N075651104M C603 281 0557 00 CAP FXD CER DI 1 8PF 10 500V 72982 301 000COK0189B C604 281 0529 00 CAP FXD CER DI 1 5PF 0 25PF 500V 72982 301 000COK0159C C609 290 0135 00 CAP FXD ELCTLT 15UF 20 20V 06751 TS2K20 156 C612 290 0135 00 CAP FXD ELCTLT 15UF 20 20V 06751 TS2K20 156 C613 283 0111 00 CAP FXD CER DI 0 1UF 20 50V 72982...

Page 56: ...1 1003 00 CONN RECP ELEC CKT BD MT 3 PRONG 80009 131 1003 00 J415 131 0955 00 CONN RECP ELEC BNC FEMALE 24931 28JR200 1 J426 131 1003 00 CONN RECP ELEC CKT BD MT 3 PRONG 80009 131 1003 00 J587 131 1003 00 CONN RECP ELEC CKT BD MT 3 PRONG 80009 131 1003 00 J597 131 1003 00 CONN RECP ELEC CKT BD MT 3 PRONG 80009 131 1003 00 L563 108 0245 00 COIL RF 3 9UH 76493 B6310 1 L566 108 0245 00 COIL RF 3 9UH ...

Page 57: ... 0426 00 TRANSISTOR SILICON NPN 03508 044Hll 0600 151 0347 00 TRANSISTOR SILICON NPN 07263 S35939 0603 151 0426 00 TRANSISTOR SILICON NPN 03508 044Hll 0620 151 0342 00 TRANSISTOR SILICON PNP 07263 2N4249 0622 151 0235 00 TRANSISTOR SILICON PNP 04713 2N4890 0626 151 0190 00 TRANSISTOR SILICON NPN 04713 2N3904 0637 151 0190 00 TRANSISTOR SILICON NPN 04713 2N3904 0646 151 0260 00 TRANSISTOR SILICON N...

Page 58: ... 00 RES FXD CbMP 51 OHM 5 0 25W 01121 CB5105 R178 315 0102 00 RES FXD COMP IK OHM 5 0 25W 01121 CBI025 R179 315 0431 00 RES FXD COMP 430 OHM 5 0 25W 01121 CB4315 R181 315 0510 00 RES FXD COMP 510HM 5 0 25W 01121 CB5105 R184 321 0091 00 RES FXD FILM 86 6 OHM I 0 125W 75042 CEATO 86R60F R186 322 0173 00 RES FXD FILM 6190HM I 0 25W 75042 CEBTO 6190F R187 321 0126 00 RES FXD FILM 200 OHM I 0 125W 7504...

Page 59: ...35 R332 315 0202 00 RES FXD COMP 2R OHM 5 1s 0 25W 01121 CB2025 R333 315 0112 00 RES FXD COMP 1 1R OHM 5 1s 0 25W 01121 CB1125 R335 315 0203 00 RES FXD COMP 20R OHM 5 1s 0 25W 01121 CB2035 R341 315 0102 00 RES FXD COMP 1R OHM 5 1s 0 25W 01121 CB1025 R344 315 0302 00 RES FXD COMP 3R OHM 5 1s 0 25W 01121 CB3025 R346 315 0223 00 RES FXD COMP 220R OHM 5 1s 0 25W 01121 CB2235 R347 315 0152 00 RES FXD C...

Page 60: ...25W 01121 CB3025 R482 315 0223 00 RES FXD C9MP 220K OHM 5 0 25W 01121 CB2235 R483 315 0152 00 RES FXD COMP 1 5K OHM 5 0 25W 01121 CB1525 R485 315 0432 00 RES FXD COMP 4 3K OHM 5 0 25W 01121 CB4325 R486 315 0432 00 RES FXD COMP 4 3K OHM 5 0 25W 01121 CB4325 R488 315 0752 00 RES FXD COMP 7 5K OHM 5 0 25W 01121 CB7525 R489 315 0752 00 RES FXD COMP 7 5K OHM 5 0 25W 01121 CB7525 R491 315 0752 00 RES FX...

Page 61: ...00 RES FXD COMP 24K OHM 5 0 25W 01121 CB2435 R648 308 0075 00 RES FXD WW 1000HM 5 3W 91637 RS2B B100ROJ R650 317 0100 00 RES FXD COMP 100HM 5 0 125W 01121 BB1005 R652 315 0202 00 RES FXD COMP 2K OHM 5 0 25W 01121 CB2025 R660 315 0511 00 RES FXD COMP 510 OHM 5 0 25W 01121 CB5115 R663 315 0202 00 RES FXD COMP 2K OHM 5 0 25W 01121 CB2025 R667 303 0560 00 RES FXD COMP 56 OHM 5 lW 01121 GB5605 S110 105...

Page 62: ...00 INTEGRATED CKT OPERATIONAL AMPLIFIER 07263 UA741 VR245 152 0227 00 SEMICOND DEVICE ZENER 6 2V 5 0 4W 80009 152 0227 00 VR250 152 0168 00 SEMICOND DEVICE ZENER 12V 5 0 4W 04713 1N963B VR264 152 0226 00 SEMICOND DEVICE ZENER 5 1V 5 0 4W 80009 152 0226 00 VR272 152 0226 00 SEMICOND DEVICE ZENER 5 1V 5 0 4W 80009 152 0226 00 VR281 152 0278 00 SEMICOND DEVICE ZENER 3V 5 0 4W 07910 1N4372A VR282 152 ...

Page 63: ...nolorm e Motor HY Hvbrid circuit TC T hermocoupll eT aallerV Connector I t tionarv portion T ilt point C Capacitor IIMld Or variable K Relav U AuemblV In apar ble Dr non rep lrable ce Circuit b ker C Inductor lixed or vari lble integrated CirCuit ItC CR Dioda lignal Or rletille r CR Inductor resiuo combin ion V Eleclron tubl D C OIIIV linl M Met VR Voltage r ulato zine diod etc OS Indicating divic...

Page 64: ...OLLECTOR fflEMITTER BASE METAL CASED TRANSISTORS ______ J GATE DRAIN SOURCE SOURCE DRAIN GATE EMITTER L METAL CASED I UNIJUNCTION TRANSISTORS BASE COLLECTOR L PLASTIC POWER TRANSISTORS GATE SOURCE DRAIN DRAIN LDUAL FIELD EFFECT PLASTIC CASED FIELD _______ J TRANSISTORS EFFECT TRANSISTORS 5 INDEX 16 PIN INDEX 8 PIN 7 4 TAB FOR METAL CASE 7 8 L INTEGRATEDCIRCUITS Fig_ 6 1_ Semiconductor lead configu...

Page 65: ... D C I To91 AUTO EROING I TEGRATOR ELECTRON IC EROING 5WITCHING ELECTRONIC i 5 TCH I He OPTICAL I c 0 COUPLER AID STANDBY POLARIT ST BY LOGIC 0 281 U189 r I 0 313 0 0 3 2 1 Y HIG a I T 24 U311A B 1 20K COUNT1 JERTER 20K cou rt 5V 1 lT59S 321 o 2 I REFEI NCE R 3 YRbl GUARD 0 2 I ISV tt ISV I REGULATOR RECTIFIER I I lU 8 0 22 INVERTER CRbO J I SYNC t o 5 2 t f CRIo07 PULSES I I CR OB r QS90 I rRECoU...

Page 66: ...N1 LOGoIC STOP COUNT U 42 D C I T3 11 POLARITY INFO OKCOUNTl 10K COUNT II JVERTER r 32 Q 2 48 L Ie CLOCK II I P i5 I GENERATOR U4S I I 1449 I U4SB U402DE f I ISV ISV SECTION J OFF L DIS LAY I t t 1 rr T ER I I COUNTER 1 MEMORIES 0 0 CONVEI1 T R U4 1lA B U500 0 07 U50 Q l U514A B 0 540 0 547 0 551 TltE SLOT PUL E t rPOL RITY I LOGoIC lU4Q 2 A 0 5 2 4 U51 C HOLD I JVERTER U402A I TSl I COLUMN I ROW ...

Page 67: ... 4B 5C C573 60 4E C575 20 2C C577 5C 4B C579 12B 3 4 R499 COLUMN CURRENT CKT GRID NO LOC CRl72 8B CR432 50 CR440 5E CR460 6B CR462 6B CR500 5B CR526 40 CR535 20 CR542 3D CR549 3C CR554 3B Jl00 6C J181 7B J183 20 J207 12C J209 2E CKT GRID NO LOC J217 12A J219 2C J426 60 L563 12B L566 2E L579 12B P120 13B P405 20 P412 12A P464 5A 0144 12B 0170 7A 0177 7B 5 6 R441 TRIG RATE TRI Fig 6 2 Al 110 CKT GRI...

Page 68: ...s to indicate their relative positions U148 R158 R213 R140 R129 Rl02 Rl06 Rll0 C158 Cl07 GRID CKT GRID CKT GRID CKT GRID LOC NO LOC NO LOC NO LOC 9A R197 12B R430 5D R467 5E 7A R198 12B R432 5D R468 5E 7B R201 lOB R434 5D R470 5C 7B R203 llC R437 6D R471 5C 7B R205 llB R440 5E R477 4E 7B R206 12B R441 5F R478 3E 7B R213 llA R442 5E R480 2C 7B R215 llA R444 5E R482 2D 7B R216 12A R446 4E R483 2C 2D...

Page 69: ...lent a Tektronix Part No 067 0589 00 rigid or Tektronix Part No 067 0616 00 flexible Center traces on graticule Out atten readout check Chop Voltage measurements are taken with no signal applied and the trace centered on the graticule The voltmeter common is connected to chassis ground The 7D12 is connected to one of the vertical compartments of the oscilloscope mainframe through the plug in exten...

Page 70: ...IOS I 80 I HF CO 1 I CliO WO 0 25_1 5 300 1 111 R IIZ 711 7 T7 I M 7DI 2 IOIA J O SCALE fr T b FA TDII I DIS 8LE RII4 RII5 150 1 11 114 37 k CIIZ 4 9 I w 0 TRI L VE L RH o I k RITO CRI7Z 11 72 2 k ISV O h Sv QI77 lIn 1 0 TPt77 RIT9 0 11 178 _O n RIS ...

Page 71: ...RI a I r DISPI AY CI rHF C O P 14 C HI 2 18 5 El PI RTIAL M N e OA RD AI 1 0 I PI U l r I i l l H I S MOOt I 11 0 3 4 lo n 1 5 1 5 6 JI8 TI DIM JI 81 Tle4 AI TRIGGER I I L VERT ICAL AMPLI FI ER o SEe PARTS LIST FOR SEMICONDUCTOR TYPES SEE PARTS LIST FOR EARLIER VALUES AND SER IAL NUMBER RANGES OF PARTS MARKED WITH BLUE OUTLINE o ...

Page 72: ...10C C631 88 CR339 10C 108 C633 100 CR364 100 J587 118 C635 58 CR365 100 J597 118 C647 8A CR385 118 2A C648 88 CR386 118 L581 18 C649 5A CR587 28 L585 lC C650 88 CR589 38 L609 38 C652 8C CR597 28 L635 4A C657 5C CR599 38 L657 38 C658 5C CR606 48 38 C666 6C CR607 4A 0224 3C C667 68 CR608 4A 0228 4C CR609 4A 0233 58 CR226 70 CR655 4C 0237 58 CR263 80 CR656 5C 0242 5 6 j TP 244 I C 5 GATE HF COMP l VH...

Page 73: ...44 R346 R347 R350 R357 R359 R360 R361 R362 R369 R371 R377 R381 R383 R386 R388 R390 11 12 CKT GRID NO LOC R628 7B R629 7B R631 7C R633 90 R637 7A R638 7A R640 7B R641 6B R643 7B R648 6A R650 8B R652 8C R660 8B R663 8B R667 7C T324 11E T326 11B T348 110 T391 11B T595 4B TP224 80 TP340 10C TP389 100 U248 80 U260 80 U276 90 U283 90 U289 110 U301 90 U317 10B U342 10C U351 100 U356 10E U375 9C U380 11 G...

Page 74: ...ild Model 7050 or equivalent a Tektronix Part No 067 0589 00 rigid or Tektronix Part No 067 0616 00 flexible 1X AUTO OUT OFF Center trace on graticule Out atten readout check Chop Voltage measurements are taken with no signal applied and the trace centered on the graticule The voltmeter common is connected to floating ground The 7D12 is connected to one of the vertical compartments of the oscillos...

Page 75: ...FI OM MOIHJI J OU G 7DI2 15V ...

Page 76: ...U T r D R3 t Cl3b3 ISV 11 37 I 1 1 k VR 71 1 V Q3 3 1331 II 1 1 k Q332 F 33S ISV Vi I A LL C38 001 0 ALL IS 5 IS VOLTA c ES RE LOATnH SE e 0 OR DETA1L5 SEE PARTS LIST FOR SEMICONDUCTOR TYPES SEE PARTS LIST FOR EARLIER VALUES AND SERIAL NUMBER RANGES OF PARTS MARKED WITH SLUE OUTLINE I CII 36S CR3e U 542D t V4HOON m i 391 U 810 E COUNT T l 4 8 01 4 PARTIAL FL O a TI NG BOARD At c _ _ 4 2 DIGIT AID ...

Page 77: ... 4E C563 12B 4E C566 2E 3E C569 4E 5C C571 4B 5C C573 6D 4E C575 2D 2C C577 5C 4B C579 12B 3 4 5 6 R499 COLUMN CURRENT 6 JIG J TRIG RATE Fig 6 4 CKT GRID CKT GRID CKT GRID CKT NO LOC NO LOC NO LOC NO CRl72 8B J217 12A 0190 llB Rl08 CR432 5D J219 2C 0200 llB Rl09 CR440 5E J426 6D 0404 3D R110 CR460 6B 0410 13B Rl11 CR462 6B 0434 5D R112 CRSOO 5B L563 12B 0480 2C R114 CR526 4D L566 2E 0507 4C R115 C...

Page 78: ...s are electrically identical The following components are located on the circuit board rear The circuit numbers are shown on this to indicate their relative positionsJ U148 R158 R213 R140 R129 Rl02 Rl06 R110 C158 Cl07 GRID CKT GRID CKT GRID CKT GRID loe NO loe NO lOC NO loe 9A R197 12B R430 50 R467 5E 7A Rl98 12B R432 50 R468 5E 7B R201 lOB R434 50 R470 5C 7B R203 llC R437 60 R471 5C 7B R205 llB R...

Page 79: ... GRID NO LOC NO I DC R534 3D TP177 7A R538 40 R539 40 U124 11C R541 3D U148 10B R544 U402 3D R546 3C U436 50 R548 2B U440 60 R553 3C U458 5C R557 2B U476 5E R578 6C U492 5C U495 4C S110 8A U500 4B S142 138 U509 4B S165 13C U514 4C U546 5B T125 10C VR577 5C T184 20 Y449 3E ...

Page 80: ...er oscillo scope system must have readout b Fairchild Model 7050 or equivalent a Tektronix Part No 067 0589 00 rigid or Tektronix Part No 067 0616 00 flexible 1X AUTO OUT OFF Center trace on graticu Ie Out atten readout check Chop Voltage measurements are taken with no signal applied and the trace centered on the graticule The voltmeter common is connected to chassis ground The 7012 is connected t...

Page 81: ... 400 1 U4 3 I 71 r JL t i2i r tt l r r 1 l I i W no I O j J __ J 11 2 P RT I 0 TR1 f R I N G W ITCW 80 11 C 1 t h Q l 80 c c il U 4 A 4 0 0 7011 11 1 1J4 0lC 74 0 4 1 _0 11 0 1 PART I L TR IioGofiIlIOJ W I T 80ARO I c R M J I I O l cseo l OOU U 01 l l _ 1 14 0 1 1 001 ...

Page 82: ... U50 S I 4 o Wi ttl 0 LOGIC 5 Q n ...

Page 83: ...OB C633 100 CR364 100 J587 11 B C635 5B CR365 100 J597 llB C647 8A CR385 llB 2A C648 8B CR386 llB L5131 lB C649 5A CR587 2B L585 lC C650 8B CR589 3B L609 3B C652 8C CR597 2B L635 4A C657 5C CR599 3B L657 3B C658 5C CR606 4B 3B C666 6C CR607 4A 0224 3C C667 6B CR608 4A 0228 4C CR609 4A 0233 5B CR226 70 CR655 4C 0237 5B CR263 80 CR656 5C 0242 5 6 TP244 I C235 I c GATE itJ1i1 HF COMP I U VHI Fig 6 6 ...

Page 84: ... 11E R326 7E R327 llA R328 10A R329 llC R331 9A R332 9B R333 9B R335 9A R341 10C 11 12 CKT GRID NO LOC R628 7B R629 7B R631 7C R633 90 R637 7A R638 7A R640 7B R641 6B R643 7B R648 6A R650 8B R652 8C R660 8B R663 8B R667 7C T324 11E T326 11B T348 110 T391 11B T595 4B TP224 80 TP340 10C TP389 100 U248 80 U260 80 U276 90 U283 90 U289 110 U301 90 U317 10B U342 10C U351 100 U356 10E U375 9C U380 11A CK...

Page 85: ...r calib rated offset voltages a Tektronix 7013 Digital Multimeter oscillo scope system must have readout b Fairchild Model 7050 or equivalent a Tektronix Part No 067 0589 00 rigid or Tektronix Part No 067 0616 00 flexible 1X AUTO OUT OFF Center trace on graticule Out atten readout check Chop Voltage measurements are taken with no signal applied and the trace centered on the graticule The voltmeter...

Page 86: ...5w E P 1 5 1If T I I nI GG 13 OUT I ONO HtZ I SIGN L II C I T 011 1 I I I I _ H I I I I I 1 1 1 MAn 1I 0 CONNECTOR TO NFRA MIt F RO VII W 7DI2 POWER I ROM M o INltRA ME CQNNEC lOR V A l17 C 5 11 S IV 0 1 C l15 11 518 ___ __ _a ______ c _____ 15V _I 1 51 1 9 tH TO as JIOO _15V IlCP TO fLOATIN G SUPPLY PIUM RV D l S I t It lVE RT 1l f T5 15 S IC NEU T 1 591 5 1 I ItOM 5 1 a c s y Q S f ll 3 4T PIN 5...

Page 87: ...t 9 0O IS LoS7 00 I III I io t u uu co fl jJ F j L 15 1 U S9 z abb IU 6 J LA 4 C 4 Rh O 1 f t c GE WAVEFORM PQ c 04 ONDITIONS c C T T C 4 pI V 0 1 J 1 0 15V 0 1 iV FJ OCPL 1V 0 0 0 ____________ __ ___________c c c c o cT c o o c o c POWER CONNECT ORS JIOO JIOO TO b I S IG N L I 20f TS I DISPL y I I 1 4 S 2 o NO I I 1 8 T POLA II 1 I EtOA SlE 11 f o T_ G O I I Ibf l lI GE I SIG NA L TO I IS f TS OW...

Page 88: ...183 GREEN WHITE P209 ORANGE WHITE f i R499 COLUMN lRlG RATE C593 INVERTER SIG P587 NEUT RED WHITE I YELLOW WHITE P181 GREEN WHITE Fig 6 7 A11 Main circuit board adjust C235 GATE HF COMP Fig 6 8 A21 Floating circuit board ...

Page 89: ... OMP 5XHF MP 1 R138 C102 C198 liPLAY OFFSET 1X HF COMP OISPLAY HF COMP J I P426 BROWN WHITE lin circuit board adjustment locations_ 15 COMP FGND Floating circuit board adjustment locations R249 R361 AID GAIN 7012 Service ...

Page 90: ...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 description column 1 234 5 Name Description Assembly and or Component Attaching parts for Assembly and or Component Detail P...

Page 91: ...H OVAL HEAD V VOLTAGE EPL ELECTRICAL PARTS LIST PH BRZ PHOSPHOR BRONZE VAR VARIABLE EQPT EQUIPMENT PL PLAIN or PLATE wi WITH EXT EXTERNAL PLSTC PLASTIC WSHR WASHER FIL FILLISTER HEAD PN PART NUMBER XFMR TRANSFORMER FLEX FLEXIBLE PNH PAN HEAD XSTR TRANSISTOR CROSS INDEX MFR CODE NUMBER TO MANUFACTURER MFR CODE MANUFACTURER OOOOC 00779 05574 05820 13257 22526 24931 70276 71785 73743 73803 74445 7725...

Page 92: ... LOCK EXT 4 1 RES VAR SEE R120 EPL ATTACHING PARTS 1 SETSCREW 6 32 X 0 125 INCH HEX SOC STL 2 SHLD GSKT ELEC 4 734 INCH LONG 1 SUPPORT CKT BD ATTACHING PARTS 4 SCR TPG THD FOR 6 32 X 0 50 INCH PNH STL 1 BOLT LATCH 0 475 X 0 21 X 0 184 PLSTC 1 SPRING DETENT LATCH 1 GUIDE MODULE BOTTOM ATTACHING PARTS 3 SCREW MACHINE 4 40 X 0 25 100 DEG FLH STL 1 1 1 4 2 2 126 4 16 1 6 1 2 1 1 BRACKET MODULE RETAINI...

Page 93: ...H LONG CONTACT ELEC 0 088 OD X 0 247 INCH L CLIP SPR TNSN CRYSTAL RES VAR SEE R131 EPL ATTACHING PARTS WASHER LOCK INTL 0 26 ID X 0 40 OD STL NUT PLAIN HEX 0 25 32 X 0 312 INCH BRS TERM TEST PT 0 40 INCH LONG SWITCH SLIDE DPDT 0 5A 125VAC SWITCH PUSH 1 BUTTON DOUBLE POLE GUIDE CKT CARD STUD SELF LOCK 4 40 X 0 625 INCH L BRS CPLG SHAFT FLEX FOR 0 125 INCH W SETSCREW SETSCREW 4 40 X 0 094 INCH HEX S...

Page 94: ...20 0547 00 1 NUT BLOCK 0 38 X 0 25 X 0 282 INCH OA 80009 220 0547 00 ATTACHING PARTS 95 211 0105 00 1 SCREW MACHINE 4 40 X 0 188 100 DEG FLH STL 83385 OBD 96 426 0499 15 1 FR SECT PLUG IN BOTTOM 80009 426 0499 15 97 179 1882 00 1 WIRING HARNESS WIRING HARNESS INCLUDES 98 131 0707 00 8 CONTACT ELEC 0 48 L 22 26 AWG WIRE 22526 47439 99 352 0162 00 1 HOLDER TERM CON 4 WIRE BLACK 80009 352 0162 00 100...

Page 95: ... ...

Page 96: ... 7012 AID CONVERTER m CI r o C m C m ...

Page 97: ...Qty 1 2 J 4 5 Name Description Code Mfr Part Number 3 065 0125 00 1 CARTON ASSY 80009 065 0125 00 1 004 0241 00 2 CASE HALF 80009 004 0241 00 2 004 0242 00 1 END CAP REAR 80009 004 0242 00 3 004 0243 00 1 END CAP FRONT 80009 004 0243 00 4 004 0748 00 1 CARTON 80009 004 074 8 00 ...

Page 98: ...Index No 2 Tektronix Serial Model No Part No Eff Dscont 070 1470 00 7012 AID CONVERTER ACCESSORIES Qty 1 2 3 4 5 Name Description 1 MANUAL TECH INSTRUCTION NOT SHOWN Mfr Code 80009 Mfr Part Number 070 1470 00 Fig Index No 3 1 2 3 4 ...

Page 99: ...D CO 2 8 _ 7 1 Note Top figures are in inches and lower figures in centimeters OVERALL DIMENSIONS MEASURED AT MAXIMUM POINTS 4 _____________ 14 5 _______________________________ 36 8 Weight 2 2 Ibs 992 kg ...

Page 100: ...e done as follows 1 Typed text pages are typically scanned in black and white at 300 dpi 2 Photo pages are typically scanned in gray scale mode at 600 dpi 3 Schematic diagram pages are typically scanned in black and white at 600 dpi unless the original manual had colored high lighting as is the case for some 70 s vintage Tektronix manuals If you purchased this manual from us typically through our ...

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