Tektronix 7B50A, Instruction Manual

Page 1: ...7B5DA TIME BASE WITH O PTIONS...

Page 2: ...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 scanne...

Page 3: ...re you the fastest possible service Please include the instrument Type Number or Part Number and Serial Number with all requests for parts or service Specifications and price change privileges reserve...

Page 4: ...fication 1 7 Variable Hold Off 1 7 Mainframe Operating Modes 1 9 APPLICATIONS 1 10 TIME INTERVAL MEASUREMENTS 1 10 Period and Frequency Measurements 1 10 Rise Time and Fall Time Measurements 1 11 Puls...

Page 5: ...OOTING AIDS 4 3 TROUBLESHOOTING EQUIPMENT 4 5 TROUBLESHOOTING TECHNIQUES 4 6 CORRECTIVE MAINTENANCE 4 9 OBTAINING REPLACEMENT PARTS 4 9 ii PAGE SOLDERING TECHNIQUES 4 9 COMPONENT REMOVAL AND REPLACEME...

Page 6: ...lti pin connector assembly 4 5 End lead multi pin connector assembly 4 5 FIGURE NO 4 5 Location of pin numbers on Interface PAGE connector 4 5 4 6 7B50A troubleshooting chart 4 8 4 7 Readout board rem...

Page 7: ...iv PAGE Electrical Characteristics 2 1 Environmental Characteristics 2 3 Physical Characteristics 2 3 Basic Logic Reference 3 3 TABLE NO 3 2 5 1 5 2 5 3 PAGE Readout Character Selection 3 15 Test Equ...

Page 8: ...plosion Avoid Live Circuits Electrical shock hazards are present in this instrument The protective instrument covers must not be removed by operating personnel Component replacement and internal adjus...

Page 9: ...eases each sweep rate by a factor of 10 and a VAR IABLE TIME DIV control provides continuously variable sweep rates between calibrated steps Variable hold off and alphanumeric readout are provided Als...

Page 10: ...ocedure for checking the unit is given under Sweep Functions in the Functional Check procedure in this section SLOPE MODE COUPLING SOURCE POSITION TIME DIV VARIABLE Calibrated Pushed in To remove the...

Page 11: ...s 7B50A 0 1 JU I fI i H I TRIGGERING I I MODE COUPLING p p AUTO AC j AUTO AC IF REJ SWP r J I CAl TEKTRONIX 7 SOURCE INT D LINE Fig 1 2 Front panel controls connectors and indicators 1 2 TRIGGERING EX...

Page 12: ...oning FINE Control Provides precise horizontal positioning MAG Pushbutton Selects magnified X10 or unmagnified sweep HOLD OFF Control Permits hold off period to be varied to improve trigger stability...

Page 13: ...demonstrate the function of the related controls 1 Obtain a one cycle per division display as described in the preceding Normal Sweep procedure 1 4 2 Press to release the MAG button X 10 Note that th...

Page 14: ...ak amplitude of the trigger signal The LEVEL control can be set so that the displayed waveform starts at any point within this range on either slope The trigger circuits automatically compensate for a...

Page 15: ...which triggers the sweep AC AC COUPLING blocks the dc component of the trig ger signal Signals with low frequency components below about 30 hertz are attenuated In general AC COUPLING can be used for...

Page 16: ...IME DIV switch provides calibrated sweep rates from 5 seconds division to 50 nanoseconds division in a 1 2 5 Operating Instructions 7B50A sequence The VARIABLE TIME DIV control must be in the calibrat...

Page 17: ...TO NEGATIVE I TRI O 1 1P1li LEVEL U 5 TRIG O i l IPIli LEVEL 0 J TRIG O 1l 1P1li LEVEL o J f POSI IVEI 1 SLOPE J J1 1 I I V I 1 I 1 I J J w J POSITIVE r 1 SLOPE Jv f r If I I 1 r TI 1 J V J 1 NEGATIVE...

Page 18: ...base unit is required for delayed sweep operation Refer to the delaying time base unit instruction manual for additional information SECOND VERTICAL LINE TENTH VERTICAL LINE I I I r I I t I TIME MEAS...

Page 19: ...all the time base unit in a mainframe horizontal compartment either A or B horizontal in a four compart ment mainframe 2 Connect the signal to be measured to the vertical unit input 3 Set the mainfram...

Page 20: ...entered display with an exact number of divisions of amplitude 6 Set the TIME DIV switch and POSITION control to dis play the rising or falling portion of the waveform within the center 8 graticule di...

Page 21: ...icule divi sions as shown in Figure 1 8 7 Measure the horizontal distance in divisions between the 50 amplitude points of the displayed pulse see Figure 1 8 1 12 8 Multiply the horizonal distance meas...

Page 22: ...to 50 ns div in 25 steps Xl 0 Magnifier extends fastest calibrated sweep rate to 5 ns div Continuously variable uncalibrated sweep rates to at least 2 5 times the calibrated sweep rate setting With S...

Page 23: ...div 250mV Internal Trigger Jitter 0 5 ns or less at 150 MHz External Trigger Input Maximum Input Voltage 250 V dc plus peak ac Input Rand C 1 MQ within 5 20 pF within 10 Level Range Excluding pop AUTO...

Page 24: ...2 3 Physical Characteristics Approximately 2 1 pounds 1 kilogram See Figure 2 1 dimensional drawing OVERALL DIMENSIONS MEASURED AT MAXIMUM POINTS Specification 7B50A 1 2 lfooo f 12 5 _____ 3 01 31 7...

Page 25: ...rate the control signals for the mainframe DETAILED CIRCUIT DESCRIPTION The operation of circuits unique to this instrument is described in detail in this discussion Circuits commonly used in the elec...

Page 26: ...le 3 1 ICOUPLING I i I I I IMOD I I I I I I I I I I I IMODE AUTO TIME DIV TIME DIVISION READOUT DIAG NON DIGITAL DEVICES Not all of the integrated circuits in this instrument are digi tal logic device...

Page 27: ...and only if all LO LO HI of the inputs are at the HI state LO HI HI HI LO HI HI HI LO OR gate A device with two or more inputs Input IOutput and one output The output of the A B X c x OR gate is HI i...

Page 28: ...x The output of th is gate is HI if LO LO HI either the A input is LO or the B LO HI HI input is HI HI LO LO HI HI HI Dynamic Indicates that this input usually Indicator the trigger input of a flip t...

Page 29: ...with two inputs Set S and reset R in Flip Flop and two outputs either or both puts override data D with Direct s FF Qr outputs may be used When clock and clock C inputs Inputs ed the state of the Q ou...

Page 30: ...R AND 8 AMPLIFIER U65 A PEAK TO PEAK lEVEL RANGE AND R60 19 AUTOMATIC GAIN t CONTROL U55A 10 PARTIAL U65 TRIGGER MODE SWITCHING S220 PEAK DETECTOR U75A U75B 17 16 TRIGGER R85 TRIGGER 13 BAL NCE S60 14...

Page 31: ...of Operation 7B50A A sample of the line voltage is connected to the trigger cir cuits via interface connector pin A4 The line signal is connected to the Trigger Source Selector and Amplifier stage at...

Page 32: ...ger signal the Automatic Gain Control stage limits the output trigger signal amplitude at U65 pins 16 and 17 Cur rent into U65 pin 3 established by R51 determines the current reference that sets the A...

Page 33: ...O MODE OPERATION WITH TRIGGER SIGNAL Theory of Operation 7B50A In the absense of a trigger output at U85 pins 13 and 14 pin 3 is set LO and pin 4 is set HI The LO level from U85 pin 3 is coupled throu...

Page 34: ...OUT BUFFER AMPLIFIER I 0201 HOLD OFF 0202 CONTROL 0206 5800 I TIME DlV I t HOLD OFF TIMING 210 C211 C215 V Q203 0204 0210 1 0214 12 3 7 11 After completion of one sweep the hold off start pulse at U22...

Page 35: ...76 Theory of Operation 7B50A Timing Resistors and flows through the collector of 0732 to the Ramp Generator stages Ramp Generator The Ramp Generator stages produce a linear positive going ramp for the...

Page 36: ...SOURCE CURRENT GENERATOR U722 0732 SWEEP START GATE DIAG o r I I I I I I I I I I I I I I I ooo _J o _ 0000 I I BASELINE RAMP STABILIZER VOLTAGE FOLLOWER 0304A 0304B e 0334A 0334B 0314 0338 CURRENT SWI...

Page 37: ...0 0 f 3l t z 0 O AUXILIARY SWEEP PREAMPLIFIER 0344 0346 S435 r Xl0 I Xl I I I I POSITION I VOLTAGE I SOURCE U416 HORIZONTAL PREAMPLIFIER 0424 0428 0448 0434 0438 0458 Xl0 TIMESLOT 1 DlAG B33 OUTPUT PR...

Page 38: ...is coupled through emitter follower 0382 to the mainframe for sweep blanking 3 14 TIME DIVISION READOUT The Readout circuits provide information to the mainframe readout system Readout circuitry is s...

Page 39: ...mal magnitude number of zeros displayed or prefix change information Indicates calibrated or uncali brated sweep rates and delay times Scaling TIME DIV Defines the prefix which modifies the units of m...

Page 40: ...onditions The best way to clean the interior is to blow off the accumulated dust with dry low pressure air Remove any dirt which remains with a soft brush or a cloth dampened with a mild detergent and...

Page 41: ...ng semiconductor operation are given under Troubleshooting ADJUSTMENT AFTER REPAIR After any electrical component has been replaced the ad justment of that particular circuit should be checked as well...

Page 42: ...ipes or a dot The cathode and anode ends of metal encased diodes are identified by the diode symbol marked on the case For most silicon or germanium diodes with a series of stripes the color code iden...

Page 43: ...EX 5 4 I I I I 0r INDEX I 1 I 8 1 I L LIGHT EMITTING J DIODE L E D G S D G PLASTIC CASE L ____ FETS 7 INDEX DUAL METAL CASE TRANSISTORS E L DUAL METAL J CASE FET L _ _ _ _ _ _ _ _ _ _ _ _ _ _ INTEGRAT...

Page 44: ...or corrected by adjustment TROUBLESHOOTING EQUIPMENT The following equipment in addition to that listed in the Performance Check and Adjustment section is useful for troubleshooting Transistor Tester...

Page 45: ...strument in which the trouble is located Many troubles can be located by visible indications such as unsoldered connections broken wires damaged circuit boards damaged components etc 4_ CHECK INSTRUME...

Page 46: ...of the diagrams section J Do not use an ohmmeter scale that has a high internal current High currents may damage the diode Maintenance 7B50A Diodes A diode can be checked for an open or shorted con di...

Page 47: ...TIME DIV switch to 1 ms One trace displayed t Connect the calibrator output to the am plifier input Set calibrator and ampli fier controls for a 2 division crt display Rot te7B50Atrigger LEVE L knob...

Page 48: ...and accuracy of this instrument can be main tained only if proper soldering techniques are used when re pairing or replacing parts General soldering techniques which apply to maintenance of any precis...

Page 49: ...ink 5 Clip any excess lead protruding through the board if not clipped in step 3 6 Clean the area around the solder connection with a flux removing solvent Be careful not to remove information printed...

Page 50: ...OF REMOVAL 1986 70 Fig 4 7 Readout board removal procedure 4 Note color of multi pin connectors see Figure 4 4 for identification and P numbers to which each connect Dis connect all multi pin connecto...

Page 51: ...that the switch be removed and replaced as a unit Refer to Figure 4 9 for special instructions on cam switch removal Repair of a cam switch should be undertaken only by experienced maintenance person...

Page 52: ...ble Mechanical Parts list An alternative solution is to refer the replacement of the defective connector to your local Tektronix Field Office or representative Maintenance 7B50A END LEAD PIN CONNECTOR...

Page 53: ...o which each attach Then disconnect cables 2 Remove the TIME DIV and VARIABLE CAL IN knobs as follows a Set the TIME DIV switch to the 2 ms position and the VARIABLE CAL IN knob out to expose set scre...

Page 54: ...d the contacts may drop free and be damaged or lost BodV salts or acids can contaminate the switch contacts Wear cotton gloves to prevent touching the contacts in the switch or on the board with bare...

Page 55: ...lead wires to the socket cap as noted previously In stall the cap in the sleeve Incandescent lamps are used to illuminate the transparent push button switches Tp replace incandescent lamps un solder t...

Page 56: ...complete adjustment pro cedure make each adjustment to the exact setting indicated PARTIAL PROCEDURES The following procedure is written to completely check and adjust the instrument to the Performan...

Page 57: ...end Provides access to internal er adjustments and test points Impedance 50 Sl type Provides signal intercon RG 58 U length 42 and 18 nections inches connectors BNC Connectors BNC External trigger che...

Page 58: ...introductory information Performance Check and Adjustment 7B50A PRELIMINARY PROCEDURE 1 Install an amplifier unit in the left vertical compartment of the oscilloscope mainframe 2 Install the 067 0589...

Page 59: ...factor for a 0 3 division display at 50 kilohertz Center the display vertically d Set the TR IGGER ING LEVEL control to approxi mately 0 midrange and TRIGGERING SLOPE to j Performance Requirement che...

Page 60: ...J Performance Requirement check see introductory information Performance Check and Adjustment 7B50A c Set the amplifier unit deflection factor for 0 5 volts division Set the low frequency sine wave ge...

Page 61: ...frequency signal generator for a 7 5 division display 375 millivolts at 150 megahertz Set the TIME DIV switch to 05ps and the MAG switch to X10 J Performance Requirement check see introductory inform...

Page 62: ...ustment 7B50A v s CHECK Set the TRIGGERING MODE to P P AUTO and check for a stable display at all settings of the LEVEL control TR IG D light on with COUPLING set to 1 AC 2 DC V t CHECK Set the SLOPE...

Page 63: ...on Set the amplifier unit for approximately a 2 division display centered vertically on the graticule d Set the front panel SWP CAL adjustment for exactly 1 marker division over the center 8 divisions...

Page 64: ...ol counterclockwise to MIN and set the LEVEL control for a stable display J Performance Requirement check see introductory section Performance Check and Adjustment 7B50A B5 ADJUST SWEEP TIMING C330 a...

Page 65: ...0 TABLE 5 3 Magnified Sweep Timing Tolerance TIME DIV Time Markers 15 to 35 C 051ls 5 ns Within 0 32 div 1 IlS 10 ns Within 0 32 div 2 fJ S 20 ns Within 0 32 div 51ls 50 ns Within 0 24 div 1 IlS 1 IlS...

Page 66: ...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 th...

Page 67: ...COMPONENTS IRC FIXED RESISTORS PHILADELPHIA DIVISION TEKTRONIX INC INTERNATIONAL RECTIFIER CORP MALLORY CAPACITOR CO DIV OF P R MALLORY AND CO INC DALE ELECTRONICS INC Address POBOX 128 1201 2ND STREE...

Page 68: ...FXD CER DI 0 047UF 10 100V CAP FXD CER DI 0 47UF 20 SOV CAP FXD CER DI 0 1UF 20 SOV CAP FXD CER DI 0 OIUF 10 100V CAP FXD CER DI 680UF 10 SOV CAP FXD CER DI 0 01UF 10 100V CAP FXD CER DI 0 OIUF 10 10...

Page 69: ...0MA 07910 IN4152 CR24 152 0141 02 SEHICOND DFVICE SILICON 30V 150MA 07910 IN4152 CR53 152 0141 02 SnlICOND DEVICE SILICON 30V 150MA 07910 IN4152 CR55 152 0141 02 SEIHCOND DEVICF SILICON 30V 150MA 0791...

Page 70: ...R SILICON PNP 80009 151 0271 00 Q96 151 0271 00 TRANSISTOR SILICON PNP 80009 151 0271 00 Q98 151 0325 00 TRANSISTOR SILICON PNP SEL FROM 2N4258 80009 151 0325 00 Q201 151 0325 00 TRANSISTOR SILICON PN...

Page 71: ...9 315 0222 00 RES FXD CMPSN 2 2K OHM 5 0 25W 01121 CB222S R30 315 0104 00 RES FXD CMPSN I00K OHM 5 0 25W 01121 CBI04S R31 31S 0202 00 RES FXD CMPSN 2K OHM S 0 25W 01121 CB2025 R32 315 0510 00 RES FXD...

Page 72: ...00 315 0201 00 RES FXD CMPSN 200 OHM S 0 2SW 01121 CB201S R201 315 0223 00 RES FXD CMPSN 22K OHM 5 0 25W 01121 CB2235 R202 315 0202 00 RES FXD CMPSN 2K OHM 5 0 2SW 01121 CB2025 R203 315 0391 00 RES FX...

Page 73: ...ES FXD CHPSN 220 OHM 5 0 2SW RES FXD CMPSN 2 2K OHM 5 0 25W RES FXD CMPSN 330HM S 0 2SW RES FXD CMPSN 330HM S 0 2SW RES FXD CMPSN S6 OHM S 0 2SW RES FXD CMPSN 470HM S 0 25W RES FXD OIPSN I00 OHM S 0 2...

Page 74: ...NWIR lOOK OHM 20 0 50 11237 300SP 41334 R706 321 0438 00 RES FXD FILM 357K OHM 1 0 125W 91637 MFF1816G35702F R711 321 0458 00 RES FXD FILM 576K OHM 1 0 125V1 91637 MFF1816G57602F R712 315 0912 00 RES...

Page 75: ...3 3K OHM 5 0 25W RES FXD CMPSN 3 3K OHM 5 0 25W ACTR ASSY PB 1 PUSH 7 5 MM l CONTACT ACTR ASSY PB 4 LATCHING 7 5 MM 5 CONTACT ACTR ASSY PB 3 LATCHING 7 5 MM RES VAR NONWIR I0K OHI1 20 lW ACTR ASSY PB...

Page 76: ...Catalog or contact your Tektronix Field Office OPTION 2 This option provides an X V display feature Horizontal X and vertical Y deflection signals are applied to the inputs of either a dual trace amp...

Page 77: ...m numbers 7 3 Operation and 4 6 Replaceable electrical parts are listed in Section 6 of this Replaceable manual Parts unique to the Option 2 Time Base are re Electrical ferenced to the footnote Option...

Page 78: ...mainframe 3 Turn on the mainframe power x V Display 1 Set the DISPLAY MODE push button to X V Set the mainframe intensity control for convenient brightness of the displayed spot 2 Any available verti...

Page 79: ...tal for X horizontal deflection All other front panel controls and the readout display func tion are disabled in this mode provided An external X signal can now be connected to any vertical amplifier...

Page 80: ...for the amplifier units to be used DUAL TRACE AMPLIFIERS Set the vertical display mode controls of both the amplifier and mainframe to select the input of the Y vertical signal set the trigger source...

Page 81: ...me an unusual case the X bandwidth is this lower value x Y PHASE SH 1FT X V Phase Shift is determined by the circuitry in the main frame For mainframes without X V horizontal compensa tion the mainfra...

Page 82: ...se Mode When the DISPLAY MODE button is pressed and latched to the IN TIME BASE position all time base electrical oper ation and functions are the same as described for the stand ard instrument see Se...

Page 83: ...y disabled in this mode The resultant HI at the collector of 0372 is coupled through emitter follower 0382 to the mainframe to keep the crt display unblanked at all times Option 2 Page 6 READOUT INHIB...

Page 84: ...stationary portion C Capacitor fixed or variable K Relay CB Circuit breaker L Inductor fixed or variable CR Diode signal or rectifier LR I nductor resistor combination DL Delay line M Meter OS I ndic...

Page 85: ...SINGLE I INDEX INDEX L LIGHT EMITTING 1 DIODE L E D PLASTIC CASE I i ill I GJs D L _ _ FETS 8 INDEX 7 INDEX METAL CASE TRANSISTORS E INDEX W G3 E S Ii D I D S G L DUAL METAL CASE FET L _ _ _ _ _ _ _ _...

Page 86: ...A2 TRIGGER the 7B50A Location of circuit boards In Fig 8 2 7B50A 1986 40 m n i o 2 XI C G lJ s...

Page 87: ...7BSOA l REV B FEB 1977 See P rts List for _ial number r nges q e 1 j be Fig 8 5 A3 R dout eirtll1t r boa d _ mblv...

Page 88: ...I cirClli1 IxNrd bly ircui1 rd laembly M 1986 43 1986 41...

Page 89: ...1986 42 TRIGGER...

Page 90: ...AC DC AC LF REJ AC HF R J INT p p AUTO AUTO 510 IN 1 t OUT 10 I I l I I I I _1 ___ _ I 1 I 1 I 1 I C1 0 o V TO Q 22 A OlA9 Ft S 0 08 h IP410 lSV I 11 4 1 1 I 14 R 410 iPOSITIONI 4...

Page 91: ...MICOND AI INTER CE 60 I FROM U 2 2 0 1 Z OlAf FROM Q 4 2 4 D A t TtlR4 1 Y ro R4 9 DIA L NOI lnan l iSI 3N d lNO TO DIAGj II P410 il 15V I R4 I l I 14 U4 ro 2 W1 1 I Iii 1 V I U P70 c J lB R705 r oy I...

Page 92: ...GRID CKT GRIO CKT GRID LOC NO LOC NO LOC NO LOC NO LOC 20 P1 A a34ll 2C R208 3K R274 5E 40 P2l0 3L 0352 2G R20S 21 R275 4A 2B P230 4L 0356 2G R2ll 21 R30 2F 2H P4l0 4L 0358 3K R212 21 2H P70S 4L 0362...

Page 93: ...R422 2E I CKT NO A424 R426 R427 R428 R430 R431 R432 R433 R434 R435 R436 R437 R438 R439 A440 R442 R444 R445 R446 R447 R448 R449 R454 R455 R456 A4S7 GR ID LOC 30 20 2C 2C 40 30 3E 40 30 2B 40 3C 4C 2E 3...

Page 94: ...8 20 0 20 1E 092 20 2E 096 10 2E 098 lE 48 R8 3A 48 R A 28 R12 58 3A R14 58 3C R15 SA 4C R15 lC R 58 SA R2 4A 48 R21 58 50 R22 4A lE R29 lC 2C R3 4A 50 R31 4C R32 50 50 R33 50 5E R34 50 SE R35 C 3C R3...

Page 95: ...ed using a digital multimeter with a 10 Mfl input impedance Tektronix DM 501 Digital Multimeter or Tektronix 7D13 Digital Multimeter used with readout equipped 7000 series oscilloscope Waveform Condit...

Page 96: ...IExr T1l11 1J l IN F12 0M DIAtij S PAAfiALAI 1Nl iRFAC E ee lBSQA s 1U V L I __ 5 0 PA T A i XT LINE 0 1 rsv FflOM l A _ _ _ r_ ___ _ _ _ J oo CIs l1ct t V fOZ c fD J 401 01 H AMPLIFol...

Page 97: ...l Ie tl PEAI DETECTOR OUT 8 11Ja TI 14 10S III sv PA flTlA L 51 0 e HF Il J I TRlq D r lE Q241 G 0 SLope tAL _SV so 0 2 101 PART1A L AI INTER I A Ce o l AUTO ENABLE qATE h ll Ul 2 0 Y I 4 TRI ER NERAT...

Page 98: ...ircuit bolIrd b GRID CKT GRID CKT GRI D CKT GRID CKT LOC NO LOC NO LOC NO LOC NO 20 PI 034 2C R208 3K R274 0 P2l0 3L 0352 2G R209 21 R27S 28 P230 4L a356 2G R211 21 R301 2M P4l0 4L 0358 3K R2l 2 21 2H...

Page 99: ...3K R334 3F A412 4E R243 2 R33S 2G A413 4E R244 2 RlJ6 3F R414 4E R271 4J RlJ1 2F R416 4E R272 50 RlJS 4F R422 2E I oJ j j ttar i CKT GRID CKT GRID NO LOC NO LOC R424 3D R458 3D R426 20 R459 3C R427 2...

Page 100: ...A1 INTERFACE...

Page 101: ...voltages shown on the dl8ilf am were obtained using e digital multimeter wilh a 10 MO Input Impedance T ktroniK OM 501 Olgllli Multim8l r or TektronjK 7013 Digital Multlmeter used with readout equippe...

Page 102: ...TO I ROM 0200 2 PIA AUTO ENABLE AUTO 7 I I I I I I I 4 I I I I IS c 1 2 2S CQ 2 2 1 11 224 L ___ ___ I w _ _ o 2y R 2 14 24 9 1 2 12 1 0y 0114 I I 1421 100 r r I I I I I c R 2 0S R 2 0S I C ll I lOO...

Page 103: ...SY 0 tt rn 101 ITRI ol DELAY C2 lS J l l 1 l I O ______________________________________ I l O ______________ 141 100 r njn 1 1 I l lr SII I u CI l 2 R fADY II LI HT bl N GtLI INEEP L vW L__ ____ AIO...

Page 104: ..._ ircult boe d ably GR ID C T GRID C T GRI D C T GRID C T GI LOC NO LOC NO LOC NO LOC NO LC 20 PI OJ 2C R208 3 A274 40 P21 3L OJ52 2G R209 21 A275 2 P230 4L OJ56 2G A211 21 AlO1 2f 2 P4l0 4L OJ58 3 R2...

Page 105: ...tri 1 number ranges Alll 2G R351 1F A434 30 R72 2H Al14 2G R352 2F R435 28 R722 4 T3S 3A R3lS 2G R3S3 2G A436 40 A723 4 Rl2l 2G A354 2G R437 3C R724 4 TP345 2F A322 2H R355 1G A438 4C A728 1H Al2l 2G...

Page 106: ...ID CKT GRIO NO LOC NO LOC NO LOC CR72S lC A7S1 2 R782 20 CR751 2 R752 2 A783 20 CR752 2 R756 2C R784 2C CR772 20 A761 2F R793 2E CR773 20 R794 2 CR782 20 R764 2F CR783 20 AnI 20 5725 2C R772 20 5800 l...

Page 107: ...get show 0 the dillgl 1lm w obtllned using I dlgltll multlm t r with I 10 Mn I put impedlJnea fT ktromx OM 501 DII Itli Muhimet r or T ktro ix 7013 Oil itll Multlmller uMd with readoul Ipped 701l0 wri...

Page 108: ...t _ 2111 O _1 l O I I2 T14 Rn l 001 51 R 3 4 100 15v 2 l l 1 11 C 32 CRH lTlA IT ME DIVI 5800 14 1 1 4 144 1 106 M 1000 8001 2 1 ____ l _____ _____ ______ ____ 1 ____ _____ _ 1t V n s SWEEP STAIlT AT...

Page 109: ...2 DIA q AA41 l I 1A I 5 ATE FltOM 1100 4 PIA 9 i C r v RUb s o SOV IS 10 I V AAS4 I_SO R 2 II IOV RU9 l_ 0 Q44S 11 455 I S LI Q 4SS Sy 0 I c 4 I I REMOVE FOIl OPTION 7 I Ilt MOVE OPTION 7 A1 S EH ATE...

Page 110: ...3 2 D CKT GRID NO LOG P1 1A P210 3L P230 4L P410 L P705 4L P8l0 1K 0201 4K 0202 4K 0203 4J Q204 3K Q206 K 021 21 0214 21 02 4K 0234 4K 0242 3K 0272 5D 0274 5D 0304 2f 0314 2G 0322 2G 0324 2G 0334 3F...

Page 111: ...R432 2B R 33 1F R 34 2F R 35 2G R 36 2G R437 G R 38 K R 39 3K R440 4J R442 B R 44 B R445 B R 46 B A447 R448 R44 R 54 R 56 R 56 2 R457 1 HOI GRID LDC 3D 2D 2C 2C D 3D 3E D 3D 2B D 3C C 2 3C 3D 3C 20 3D...

Page 112: ...116 50 I I I I I I I Fig 8 12 A3_ R dout circuit bo d mbly CKT GRID CKT GRID CKT GRID NO LDC NO LDC NO LDC CA725 1C R7S1 2 R782 20 CR151 2 R752 2 R783 20 CR752 2 56 2C 84 2C CR772 20 R761 2F R793 2E C...

Page 113: ...01 I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I I 10 3 3 t r f r r r l re r I f r f f r fe fe re re i I i re f I re r r re I fj f r...

Page 114: ...l I l I l I f l I I f I r i l I l I l I foe I I f I Ie l I l I l I l I Ii f I 1 1 Ii i l I l I l I l re f f I f I t f t foe l I l I l f f f I f I Ie l I l I l f I f I l f I f I 1 f l I I f I f f l I...

Page 115: ...4 D ia CKT GAIO NO LOC PI P210 3L 30 4L P410 4L P705 4L P810 lK 0201 4K 02 2 4K 0203 4J 0204 3K 0206 3K 021 21 0214 21 0230 4K 0234 OK 0242 3K 0272 5D 0274 5D 0304 2F 0314 2G 0322 2G 0324 2G 0334 3F 0...

Page 116: ...A332 3F A3B2 4 4K A241 3K R333 3 R3S3 4A 4K R242 3K R334 3F R412 4 3K R243 2K FI33S 2G Fl4 13 4E 4K R244 2K R336 3F R4 4 4 3K FI271 4J RlJ7 2F R416 4 3K A212 50 Rl3S 4F A422 2E I oJ CKT GRID CKT GR ID...

Page 117: ......

Page 118: ...2 I 11 10 I roT3S I DIA 19 I IS I I I 110 I II FROM U2 UH1 I OIA 14 I 13 NO TP 30 4 CS l O LR820 I l OOj4H LR 810 ri H O C 9 i 12 I I ROM W4 I I OIA I I0 FROM R l 11 8 J I csi J 0 1 J I I V I O 9 I SV...

Page 119: ...I I lie 22 TO I c l no I IN ILE SWEEP R ET OJJ OIAq I 0 iEl 14 mn I llm 1 CIln CO I 02 HI 2 liND 02 rm FIlOM 1 4 I n t OIA II SI NAL 0 FROM PIN L I JJ OPTION 2 10 X V COMPeNc Tl0N DIAl I 0 I Q 2 0 2...

Page 120: ...J II i u 7B50A A 2 3 a 36 FR T 36 BA c D Fig 8 14 A5 X Y Switch circuit board assembly CKT GRID CKT GRID NO COORD NO COORD CR965 18 S935 38 S936 38 R961 28 R962 28 T935 20 R965 18 R972 18 E F 1986 54...

Page 121: ...I I I S93 D 0 I I S93 B I IO I I S9 A T935 H _______00 G I j I I 593 C I I t t lo I I 593 D 0 448 DIAG 114 0 swp F R OIA 0 458 WS II p 4 1 S93bB X I I L COMP BID 4 SWEEP I II J 12 972 3 3 eOACo oOuUrT...

Page 122: ...q3 B 12 972 3 3k T935 X VIA INTERIJAL TR IGGER PATH LJ en 0 972 G 9h2 c 11 II FJJ M x v LOGIC TO Q 372 OIAG U TO JIS TR IG I U TO JI I AII 51 NAL I 611 51e NAI SEE PARTS LIST FOR SEMICONDUCTOR TYPES O...

Page 123: ...r t I 0 j I C 1986 53 Fill_ 8 16 loution of Tripring Idju tmlnts R43 MAG GAIN C330 50 1 TIMING Fit_ 8 15 loution of SWMP TIming Jutt ts A85 DC SAL...

Page 124: ...1986 52 INTERFACE 7850A...

Page 125: ...ust be purchased separately unless otherwise specified 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 app...

Page 126: ...KS INC SHAKEPROOF DIVISION WALDES KOHINOOR INC TEK1 RONIX INC CENTRAL SCREW CO N L INDUSTRIES INC SOUTHERN SCREW DIV Address POBOX 5012 13500 N CENTRAL EXPRESSWAY 510 RIVER RD 7100 LAMPSON AVE 10 ESNA...

Page 127: ...EMITTING DIODE SEE CR232 EPL 3 LAMPHOLDER WHITE PLASTIC 1 RESISTOR VAR SEE R60 EPL ATTACHING PARTS 1 NUT PLAIN HEX 0 25 32 X 0 312 INCH BRS 1 RESISTOR VAR SEE R410 R415 EPL ATTACHING PARTS 2 NUT PLAIN...

Page 128: ...ACT CLIP SWITCH FRONT 7 5 MM l UNIT ATTACHING PARTS EYELET METALLIC 0 59 OD X 0 156 INCH LONG CLIP SWITCH REAR 7 5 MM 1 UNIT ATTACHING PARTS EYELET METALLIC 0 59 OD X 0 156 INCH LONG 1 HEAT SINK ELEC...

Page 129: ...TACT ELEC GROUNDING NUT PLAIN HEX 4 40 X 0 188 INCH BRS SPRING FLAT RED COLORED ROLLER DETENT BEARING CAH SW FRONT ATTACHING PARTS RING RETAINING 0 338 ID X 0 025 THK STL SHAFT CAM SW W DRIVER DRUM CA...

Page 130: ...426 0505 11 137 426 0499 11 1 FR SECT PLUG IN BOTTOM 80009 426 0499 11 138 131 0707 00 50 CONTACT ELEC 0 48 L 22 26 AWG WIRE 22526 75691 005 139 352 0169 00 1 CONN BODY PL EL 2 WIRE BLACK 80009 352 01...

Page 131: ...REV B AUG 1977...

Page 132: ...7B50A TIME BASE o m o...

Page 133: ...Part No Eff Dscont 070 1985 00 070 1986 00 Qty I 2 J 4 5 Name Description STANDARD ACCESSORIES 1 MANUAL TECH OPERATORS 1 MANUAL TECH INSTRUCTION Mfr Code Mfr Part Number 80009 070 1985 00 80009 070 19...

Page 134: ...211 0008 00 1 SCREW MACHINE 4 40 X 0 25 INCH PNH STL 83385 OBD 8 211 0116 00 1 SCR ASSEM WSHR 4 40 X 0 312 INCH PNH BRS 83385 OBD 9 1 CKT BOARD ASSY X Y SWITCHING SEE A5 EPL 10 384 1425 00 BOI0100 B01...

Page 135: ...ince 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 corr...

Page 136: ...0 V Amplitude output 100 V 067 0502 01 PG 506 Does not have chopped feature 0502 01 Comparator output can be alter nately chopped to a reference voltage SG 503 replaces 190 190A 190B SG 503 Amplitude...

Page 137: ...O A2 670 4180 01 CKT BOARD ASSY TRIGGER 7B50A A2 670 4181 01 CKT BOARD ASSY TRIGGER 7B80 7B85 C30 281 0813 00 CAP FXD CER DI 0 047UF 20 100V R8 315 0622 00 RES FXD CMPSN 6 2K OHM 5 0 25W R69 315 0820...

Page 138: ...T CHANGE REFERENCE _______ DATE ________ CHANGE DESCRIPTION SCHEMATIC CORRECTIONS DIAGRAM 9 TRIGGER GENERATOR Partial 12 R l4 CI2 RI3 47 C R53 C53l 5V C51 R51 3 1 R 48 D S Q48 R 4 9 500 PAGE 2 OF 2 C2...

Page 139: ...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 scanne...