Tektronix 314 Instruction Manual Download

Page: 29 / 166

Summary of Contents for 314

Page 1: ...Toktronix inc P O lox 500 Beaverton Oregon 97077 ...

Page 2: ......

Page 3: ...oltage Controls and Connectors Front Panel Side Panel Rear Panel SECTION 3 THEORY OF OPERATION Block Diagram Description Vertical Amplifier Triggering Sweep Generator CRT and Power Supply Calibrator Circuit Operation CH 1 Preamp and Calibrator General lnput Coupling lnput Attenuator 5 Division Calibrator lnput Stage Preamp Stage CH 2 Preamp General Preamp Stage Channel Switch General Diode Gates S...

Page 4: ...put Inverter Amplifier 3 14 Storage 3 15 General 3 15 Storage Tube 3 15 Flood Guns and Collimation Electrodes 3 17 Target Control Amplifier 3 17 Erase Generator 3 17 Enhance Generator 3 18 Auto Erase 3 18 Auto Erase Generator 3 18 Sweep Reset Delay Multivibrator 3 18 Integrate 3 19 Power Supply 3 19 General 3 19 AC Power Input 3 19 Power Source Selector 3 20 Series Regulator 3 20 DC to DC Converte...

Page 5: ... 10 Attenuator Circuit Board Assembly A l 4 10 Vertical Circuit Board Assembly A2 4 11 Trigger Switch Circuit Board Assembly A3 4 12 Circuit Board Pins 4 12 Circuit Board Pin Sockets 4 12 Lead End Pin Connectors 4 13 Recalibration After Repairs 4 13 Instrument Repackaging 4 13 SECTION 5 PERFORMANCE CHECK CALIBRATION Performance Check Introduction Using the Procedure lndex Partial Procedure Control...

Page 6: ...trols and connectors Rear Panel Basic Block Diagram CH 1 Preamp Circuit Block Diagram CH 2 Preamp Circuit Block Diagram Channel Switching Block Diagram Signal Path CH 1 Signal Path CH 2 Vertical Output Amplifier Block Diagram Trigger Source Block Diagram Sweep Generator and External Horizontal Block Diagram Horizontal Amplifier Block Diagram Storage Block Diagram Power Supply Block Diagram CRT H V...

Page 7: ...igh frequency compensation idealized 5 27 Typical display of external XI0 attenuator compensation idealized 5 29 Semiconductor Lead Configurations Circuit Board Locations Adjustment Locations Adjustment Locations Adjustment Locations Adjustment Locations Al Attenuator Board A2 Vertical Amplifier Circuit Board A3 Trigger Switch Circuit Board A4 Horizontal Circuit Board A5 Storage Circuit Board A7 P...

Page 8: ...Fig 1 1 my Toktronix 314 Storb Oscilloscope 314 Service ...

Page 9: ...gle sweep writing rate The internal 1 kilohertz calibrator is connected inter nally to the vertical inputs and to a front panel connector The 314 operates from a line voltage of 100 115 120 200 230 or 240 volts ac or from a 12 or 24 volt dc source The following tables contain a detailed listing of the 314 characteristics TABLE 1 1 Electrical Characteristics Deflection Factor Characteristic Calibra...

Page 10: ...s to 0 5 ps Div 0 2 ps and 0 1 pslDiv TIME DIV Variable 1 2 Approximately 100 kHz 5 s to 1 ps Div XI0 magnifier extends sweep time div to 0 1 ps Within 4 over center 8 graticule divisions Within 5 over any 2 division interval within center 8 divisions Within 3 over center 8 graticule divisions Within 4 over any 2 division interval within center 8 divisions Within 5 over center 8 graticule division...

Page 11: ...Specification 31 4 Service TABLE 1 1 cont I CALIBRATOR I Output Voltage From 20 C 68 F to 30 C 86 F Repetition Rate 0 5 V peak to peak within 1 1 kHz within 250 Hz ...

Page 12: ...ce Sensitivity 1 5 V to C20 V direct coupled 62 pF Bandwidth Variable Range DC to at least 200 kHz At least 10 l CRT DISPLAY SYSTEM EXTERNAL BLANKING Usable Freqency Range Maximum Input Voltage CRT Graticule Area 8 x 10 divisions 1 4 inch div 100 kHz or greater 50 V dc plus peak ac Graticule Type Internal non illuminated Phosphor Erase Time P44 STORAGE SYSTEM Stored Writing Speed at 0 2 mA Cathode...

Page 13: ... Voltage Range 12 V 24 V vlaximum Input Current 12 v 29 W at 115 V 60 Hz M position Full Intensity in stored mode Environmental Characteristics Characteristic 1 Performance Requirement Supplemental lnformation lltitude Operating remperature Operating Non operating To 20 000 feet Maximum allowable ambient temperature decreased by 1 C 1 000 feet from 5 000 feet to 20 000 feet Non o eratina I I To 50...

Page 14: ...o 10 cycles sec in 1 minute cycles Hold for 3 minutes at 55 cycles sec All major resonances must be above 55 cycles sec Supplemental Information 30 g s 1 2 sine 11 ms duration 2 guillotine type shocks per axis for a total of 12 shocks 150 kHz to 1000 MHz 1 hour slightly in excess of 1 g 30 inches on any corner edge or flat surface Physical Characteristics Net wlthout accessories 10 pounds 4 7 k lo...

Page 15: ...Specification 314 Service FRONT VlEW SIDE VlEW 1824 13 Fig 1 2 314 dimensions ...

Page 16: ...This Document was scanned from the original Tektronix Service Manual For enquiries about high quality technical manuals Qservice otenet gr ...

Page 17: ... with a safety earth contact If an outlet with a safety earth contact is not available connect the instru ment frame to a safety earth system The color coding of the cord conductors is in accordance with recognized standards given in Table 2 1 TABLE 2 1 Grounded Neutral Blue 1 White Power Cord Conductor Identification Grounding Earthing 1 Green Yellow I Green Yellow Operating Voltage The 314 has a...

Page 18: ... or negative c oirtcj Vertical Modes 9 Cf lOP in Chop Mock sigtwls from both ct annols are tj splayoclsi t uftaneot sly cfiiai trace 1 Iio dtsplay is swrtched botwcer 1channels at a 100 kiloherftr rate 10 Al T In Alfort iato Mode sigtialsfrorrl bothvertical cfiar itels are dispiayecf alternately cfualtrace f tto display is switct ecfafter each sweep 11 Ct 1 I This btrtton selects c t m n e l 1vert...

Page 19: ...gnal are presented to the vertical amplifier input Horizontal 19 CH 2 POSITION This control vertically positions the channel 2 display 20 VARIABLE When this control is out of the CAL position it provides uncalibrated deflection factors between calibrated steps It extends the uncalibrated range to 25 V DIV 21 lnput Coupling Indicator and switch channel 2 AC out position Blocks dc component of input...

Page 20: ......

Page 21: ...e switching tran sients when in the chopped mode of operation A sample of the signal present in the Channel Switching circuit is supplied to the Trigger Pickoff circuit The output of the Channel Switching circuit is con nected to the Vertical Output amplifier through the delay line The Vertical Output Amplifier circuit provides the final amplification for the signal before it is connected to the v...

Page 22: ... OUTPUT 0 FIG 3 7 11 I 1 FIG 3 13 STORAGE FIG 3 11 UNBLANKING BLANK INPUT FIG 3 13 POWER TO ALL BLOCKS FIG 3 12 1824 18 INDICATES FIGURE NUMBER OF FIG DETAILED BLOCK DIAGRAM IN THIS SECTION INDICATES SCHEMATIC NUMBER 0 PULLOUT PAGES A T REAR OF MANUAL ...

Page 23: ...ction on the crt are connected to the CH 1 connector The Channel 1 Preamp circuit provides control of input coupling vertical deflec tion factor balance vertical position and vertical gain A sample of the Channel 1 input signal is provided to the Trigger Source and Trigger Preamp circuits to provide internal triggering from the Channel 1 signal only Fig 3 2 is a detailed block diagram of the Chann...

Page 24: ...alibrated deflection factors between the calibrated settings of the VOLTS DIV switch position Var Balance R31 adjusts for no base line shift of thecrt display when rotating the VAR control In the 1 and 10m position of the VOLTS DIV switch no attenuation is used in the input attenuator stage The correct vertical deflection factors are obtained by chang ing the gain of the Channel 1 Preamp stage Thi...

Page 25: ...can be thought of as switches that permit either of through vertical mode switch S130C R131 and CR130 the vertical preamp output signals to be coupled to the see simplified diagram Fig 3 5 This 6 volts forward biases CR111 and CR112 and reverse biases CR110 and Common Base Amplifier stage CR105 CR106 CR107 CR113 sincethe input to the common base amplifier stage and CR108 control the channel 1 sign...

Page 26: ...d CR112 are connected to 6 volts through R125 The Channel 1 Diode Gate blocks the signal and the Channel 2 Diode Gate permits signal to pass Switching Multivibrator ALT In this mode the Switching Multivibratoroperates as a bistable multivibrator 6 volts is connected to Q135 emitter Alternate Trace Switching Amplifier stage see Diagram 3 through R136 2135 is forward biased and supplies current to t...

Page 27: ... turned off When Q135 turns on again after the alternate trace sync pulse the charge on C119 determines whether Q115 or 2125 conducts For example when Q115 is conducting C119 is charged more positively on the CR118 side to the emitter level of 2115 and more negatively on the CR128 side This charge is stored while Q135 is off and holds the emitter of Q125 more negative than the emitter of Q115 When...

Page 28: ...nblanking circuit through R147 ADD In the Add mode S130A and B closed the Diode Gate stage permits both signals to pass to the Common Base Amplifier stage The Diode Gates are both held on by 6 voltsapplied to theircathodes through R108and R105 R106 Since both signalsareapplied to the Common Base Amplifier stage the output is the algebraic sum of the signals on Channels 1 and 2 The Common Mode Adju...

Page 29: ... diode gates consisting of two diodes each can be thought of as switches that allow one of the three internal trigger signals to be coupled to the Trigger Source Amplifier CR225 and CR226 control the Channel 1 signal CR229 and CR230 control the Channel 2 signal and CR222 and CR223 control the composite signal These diodes are controlled by the Trigger Source switch ganged with the DISPLAY switch Q...

Page 30: ...LF REJ and DC are available 10 X ATTENUATOR Q313A Q313B Q318 and 2320 see Fig 3 9 form a voltage comparator system to select the amplitude of a triggering signal on which a sweep can be initiated The triggering signal is applied to the gate of Q313A and a dc level established by R331 TRIGGERING LEVEL is applied to the gate of Q313B When the two halves of the comparator are balanced the voltage at ...

Page 31: ...ut and bright baseline generation Table 3 1 lists each IC pin and its function All pins are digital unless otherwise noted and positive logic is employed Pins not used are grounded The Triggering and Sweep Mode switch S341 permits three modes of operation Normal Auto and Single Sweep Fig 3 9 is a block diagram of the Sweep Generator and External Horizontal Amplifier circuits TABLE 3 1 SWEEP GENERA...

Page 32: ...rges toward the 3 5 vol threshold Above the 3 5 vol level U340 is conditioned t c provide a free running sweep at i rate determined by the holdoff R C Pin 13 Bright Baseline Control 14 Gate Output 15 Gate Output 16 Power Supply Function and sweep timing As soon as a trigger arrives at pin 4 of U340 pin 12 is driven to ground and C345 is discharged Current into pin 13 logic 1 for1 220 nanoseconds k...

Page 33: ...twork at pin 11 of U340 For U340 to function the voltage at pin 11 must be at least 3 5 volts When the sweep starts the voltage at pin 11 is driven to ground discharging the holdoff capacitors C347 C348 or C349 The capacitors begin to charge as the sweep progresses and continue to charge as the sweep terminates The time between sweep termination and the point at which pin 11 reaches the 3 5 volt t...

Page 34: ...ected to the emitter circuit of Q400 which is a common base amplifier The signal produced at 2400 collector is in phase with the applied signal Two steps of gain selection are available In X I gain position of theTIME DIV switch the deflection factor is about 200 mV Div In XI0 gain position the deflection factor decreases to about 20 mV Div As R385B is varied more resistance is added to the emitte...

Page 35: ...tive going signal at Q455 emitter is coupled through C459 to 2460 base This increases Q460 drive and therefore increases Q460 current aiding in the generation of the positive going signal for the right deflection plate During retrace the signal changes in a direction opposite to that just described and the Q445 and 2460 circuits reverse their functions STORAGE General The Storage circuit see Fig 3...

Page 36: ...528 FLOOD GEOMETRY ANODE R522 R375 GEOM ENHANCE MULTl ENHANCE TRIGGER PULSE FROM SWP ClRCUlT TO HIGH VOLTAGE t OFF AUTO RESET I FROM POWER 84 V SUPPLY ERASE DELAY AUTO ERASE MULTl RESET PULSE TRIGGER PULSE TO SWEEP CIRCUIT FROM SWEEP COLLlMATlON COLLlMATlON R568 CIRCUIT I ...

Page 37: ...urned to the ready to write state The following paragraphs describe how the erase waveform is generated The Erase Multivibrator is composed of 2510 2511 and 2512 and associated circuitry This is a monostable multivibrator with Q510 quiescently saturated and Q511 biased off The collector of Q512 is clamped slightly above ground by the conduction of CR513 C509 is charged to the voltage difference be...

Page 38: ...y 1 second to approximately 5 seconds Auto Erase Generator 2545 2548 and associated circuitry form a monostable multivibrator 2545 is an N channel FET that permits conduction when its gate is grounded through R542 and R5378 VIEWING TIME Q545 is quiescently conducting and the low voltage level at Q545 drain keeps Q548 turned off When the sweep ends the negative going pulse from the Sweep Generator ...

Page 39: ...n beam to sum small amounts of charge for successive sweeps These areas of ac cumulated charge shift to the stored state when the flood electrons are turned on again INTEGRATEbutton releas ed AC Power Input Pressing the INTEGRATE button also connects about 90 volts to the high voltage regulator HV Compensation input This 90 volts through R7228 shifts the high Power is applied to the primary of tra...

Page 40: ...nce holding the dc to dc converter output voltage constant R628 12 V Adjust sets the converter output level DC to DC Converter The converter multivibrator Q657 Q660 Q658 and T665 converts the dc supply voltage from Q607 to ac This ac is applied to T600 primary T600 secondary voltages are rectified to provide dc operating voltages for the instrument The voltage at 12 A provides the dc voltage to th...

Page 41: ...vity between store and non store modes are compensated by R721 High Voltage Compensation The Intensity Limit control R702 sets the minimum difference voltage that can exist between the crt control grid and cathode thus preventing excessive crt cathode current For SN 300200 and up an additional control R706 provides a second lntensity Limit adjustment to prevent excessive crt cathode current at swe...

Page 42: ...icule lines Blanking and Unblanking Signals for unblanking come from oneof threesources Sweep output U430 pin 15 Gate thevertical switching circuit chopped mode or the EXT BLANK connector on the rear panel The Unblanking amplifier consisting of 2723 Q730 Q734 Q744 2745 and associated circuitry provides crt beam blanking during sweep retrace and during switching interval in chopped mode C655 R656 h...

Page 43: ...ed components are found Overheating usually indicates other trouble in the instrument Therefore it is important that the cause of overheating be corrected to prevent recurrence of the damage Semiconductor Checks Periodic checks of the semiconductors in the 314 are not recommended The best check of semiconductor performance is actual operation in the instrument More details on checking semiconducto...

Page 44: ... L SQUARE WAVE IS DISPLAYED PUSH CH 2 BUTTON I N A N D CHECK FOR SQUARE WAVE I L STABLE 5 DIVISION DISPLAY SUPPLY S OUT OF LIMITS MEASURE POWER LINE VOLTAGE 115 230 OR DC SUPPLY i S T I L L O U T O F LIMITS DISPLAY NOT STABLE CHECK AFFECTED POWER SUPPLY NO H O R I Z O N T A L DEFLECTION CHECK TRIGGERING CIRCUIT 1 OK C H E C K F O R SAWTOOTH A T CRT NECKPINS CHECK CRT CIRCUIT CHECK N O U N B L A N ...

Page 45: ...UST CH CH POSITION TO POSITION EACH DISPLAY CHOPPED DISPLAY BE FOCUSED DISPLAY S CANNOT BE A L T E R N A T E DISPLAY O K CHECK ADJUST ASTlG CONTROL POSITIONED V E R T I C A L L Y PUSH A L T BUTTON IN S E T T I M E D I V T O 5 0 r n s CHECK FOR A L T E R N A T E TRACES DISPLAYED RELEASE CHOP A N D A L T BUTTONS CHECK H V Cl RCUlT CHECK V E R T I C A L C H A N N E L PREAMP S PUSH STORE BUTTON IN WAI...

Page 46: ...is suspected check each supply for correct voltage use a digital voltmeter preferably one that is accurate to within 0 1 and check ripple with a test oscilloscope See Table 4 1 for voltage and ripple tolerqnces The voltages shown in Table 4 1 are measured between the power supply test points and chassis ground Power supply test points are shown in Fig 4 2 TABLE 4 1 Voltage and Ripple Tolerances Ac...

Page 47: ... varies widely from the spccifiod value A leaky or sitortecf capacitor can ttsitally bedetectodby cfiecking resistance with an otln trnetcr on tho highest ratigo 30 rmt oxcccrf tho voltago rating of tho capacitor with tho internal ol tnniotor battery l ho rosistanco r0adii t st ould be highafter initial chargeof thocapacitor At1 open capacitor caii bcst be detected wrth a capacitarlco rrwtor Speci...

Page 48: ...ions pullout for fuse locations Refer to the Electrical Parts List for correct fuse values lnstrument Cabinet a Loosen the 4 screws holding the cabinet feet cord wrap and remove the cord wrap feet b Remove the gray plastic rear cover c Loosen do not remove the 2 screws holding the power cord strain relief 115 230 V ac selector switch mounting and slide the strain relief toward instrument center d ...

Page 49: ...positions of board pins I Fig 4 3 Location of connectors b Remove 2 screws holding the 30 pin connector to chassis See Fig 4 4A c Loosen socket head screws on Focus and lntensity control shafts at the insulated flexible connectors near the controls Loosen socket head screw from the collar on the lntensity control shaft Fig 4 4 Locations of screws holding power supply section to main chassis d Remo...

Page 50: ...rd c Remove 3 pin connector red from P692 d Remove 2 pin connector red from P710 e Remove 2 screws holding the heat sink bracket See Fig 4 7 I Fig 4 5 Location of pin connector in power supply b Remove 3 hexagonal spacers see Fig 4 6 c Hold the Power Supply circuit board with one hand while pulling lnterface circuit board away from the Power Supply circuit board Pull the lnterface board evenly to ...

Page 51: ...of screws near Focus and Intensity controls c Disconnect black 2 pin connector from P726 d Disconnect black 5 pin connector from P601 e Unsolder leads from the circuit board terminals C black on gray A black P red on white and G black f Remove the 2 screws holding the power switch bracket to the chassis g Remove the circuit board Storage Circuit Board Assembly A5 a Remove the 8 screws see Fig 4 10...

Page 52: ...ircuit board to the module assembly I Carefully separate the horizontal circuit board from the remaining assembly Do not bend inter board connecting pins and avoid bending or distortiong the cam switch contacts on the Horizontal circuit board HORIZONTAL CIRCUIT BOARD Fig 4 11 Locationof screws holding Horizontal circuitboardto module assembly NOTE The cam switch shaft grounding springs and hex nut...

Page 53: ...he heat sink bracket e Pull CHOP ALT CH 1 CH 2 and CH 2 INVERT plastic buttons from the switch shafts f Remove 4 screws that hold the circuit board to the Fig 4 12 Location of interconnecting and ground leads be chassis supports beneath tween Attenuator and Vertical circuit boards g Carefully lift the rear of the circu t board upward Bend the cable assembly that passes through the chassis t as nec...

Page 54: ...placement pins is available from Tektronix Inc Order Tektronix part number 040 0542 00 To replace a pin that is mounted on acircuit board first disconnect any pin connector Then unsolderthedamag ed part and pull it from the circuit board with pliers Avoid damage to the board wiring with too much heat Reamout the hole in thecircuit board with a0 031 inch drill Remove the ferrule from the new interc...

Page 55: ...tion of the multi pin connector with the circuit board an arrow is stamped on the circuit board and a matching arrow is molded into the plastic housing of the connector body Align the arrows when connecting to the circuit board If individual lead end pin connectors are removedfrom the plastic holder note the wire color and position of the individual wires Recalibration After Repair After any elect...

Page 56: ...This Document was scanned from the original Tektronix Service Manual For enquiries about high quality technical manuals Qservice otenet gr ...

Page 57: ...5 1 is required for complete check and adjustment of this instrument Test equipment specifications given in Table 5 1 are the minimum required to meet instrument specifications listed in the Specification Section 1 Detailed operating instructions for test equipment are not included in this procedure Refer to the Test Equipment instruction manual if more information is needed Special Calibration Fi...

Page 58: ...r2 Square Wave Generator Repetition Rate 500 kHz Risetime of leading edge of positive pulse 1 ns Check and Adjust Volts Div compensation Check and adjust vertical high frequency compensation a Tektronix 106 Square Wave Generator b Tektronix PG 506 Calibration ene era to a Tektronix 191 Constant Amplitude Signal Generator Frequency Range to at least 15 MHz reference frequency 50 kHz Output amplitud...

Page 59: ... Adjust external atten uator compensation Test Oscilloscope with included 10X probe Adjust variable resistors Bandwidth dc to 10 MHz minimum deflection factor 1 mV Div accuracy with in 3 Screwdriver1 I LOW capacitance I Calibration Shield1 Plug in Extension Cable1 Adjust variable capacitors Adjusting attenuator compensation For extending time base storage module Examples of Applicable Test Equipme...

Page 60: ...6 Page 5 6 Page 5 7 Page 5 7 Page 5 7 Page 5 7 Page 5 7 Page 5 8 Page 5 9 Page 5 9 3 Check Time Div Accuracy Magnified Page 5 9 4 Check External Horizontal Deflection Factor Page 5 10 5 Check External Horizontal Bandwidth Page 5 10 Triggering System 1 Check Triggering Levels Page 5 11 2 Check DC Triggering Range Page 5 12 Storage System 1 Check Stored Writing Speed 80 div ms min Page 5 13 2 Check ...

Page 61: ...UTO 1 ms CAL midrange X I out non store out out CCW CCW 1X AC 115 V M 1 Check Low Line lndicator and pilot light a Connect variable autotransformer to power line b Set variable autotransformer output voltage level to 115 V c Plug 314 ac line cord into autotransformer output d Pull 314 POWER switch on e CHECK that LOW LlNE lndicator pilot light lights f Reduce autotransformer output voltage to 103 ...

Page 62: ...ntrol for stable display e CHECK square wave display amplitude is 5 divisions 3 k0 75 minor division f Turn CH 1 VOLTS DIV VARIABLE fully coun terclockwise g CHECK display amplitude decreases to 2 divisions or less h Switch DISPLAY to CH 2 and position display as necessary i CHECK square wave display amplitude is 5 divisions 13 lt0 75 minor division j Turn CH 2 VOLTS DIV VARIABLE fully coun terclo...

Page 63: ...Operation a Switch DISPLAY to CHOP b Switch CH 1 and CH 2 lnput Coupling switches to GND c Set TIME DIV to 2 ms d Adjust POSITION controls to separatethe traces by about 4 divisions e Set TIME DIV to 2 ps f Adjust LEVEL for stable display if necessary g CHECK chopped repetition rate for about 100 kHz 8 3 ps to 4 2 5 ps 4 1 5 to 6 2 5 divisions 6 Check CH 2 Invert a Switch DISPLAY to CH 2 and relea...

Page 64: ...for stable display See Fig 5 1 i Increase generator frequency until the display amplitude decreases to 2 8 divisions 3 dB point c CHECK risetime time between 10 and 90 amplitude points should be 36 nanoseconds 36 ns j CHECK the generator frequency should be at least 10 MHz k Switch DISPLAY to CH 2 and move generator signal to CH 2 VERT INPUT connector I Switch generator frequency to 50 kHz Set gen...

Page 65: ...CCW 1X AC 115 V M 1 Check 1 ms Timing a Apply 1 ms time markers from Time Mark Generator output to CH 1 VERT INPUT connector via 50 ohm cable and 50 ohm termination b Set CH 1 VOLTS DIV and VARIABLE for about 2 divisions of vertical display c CHECK for 1 time marker division t 3 t 1 2 minor division over the center 8 graticule divisions d Turn TIME DIV Variable fully counterclockwise e CHECK for 2...

Page 66: ...DIV to EXT HORlZ XI and Standard Amplitude Calibrator to 1 volt square wave i CHECK horizontal deflection between spots is 4 to 6 divisions j Turn TIME DIV Variable fully counterclockwise k CHECK not more than l lOthedeflection noted in part i I Switch Standard Amplitude Calibrator to 2 volt square wave m Adjust TIMEIDIV Variable for exactly 5 divisions between spots n Switch EXT ATTEN to 10X Swit...

Page 67: ...hat stable triggering can be obtained with SLOPE switch in either or for each set of conditions listed in Table 5 5 by adjusting LEVEL control Move signal input to CH 2 VERT INPUT connector and repeat parts b and c to check CH 2 triggering perTable 5 5 NOTE Use generator shown in the table for required frequency range Set TIMEIDIV for several cycles of display TABLE 5 5 leset TRIGGERING Source to ...

Page 68: ...d rotateTRIGGERING LEVEL control fully counterclockwise Turn LEVEL control slow ly clockwise and note level on graticule at which sweep triggers d Continue to turn LEVEL control clockwise to the point at which sweep is not triggered Note level on graticule e CHECK for at least 1 7 volts 3 4 divisions between points noted in parts c and d Notethat triggering occurs on positive slope of sinewave f S...

Page 69: ...iockwise from fully clockwise position f Press STORE button in Press ERASE button after background is fully lighted g Press RESET button Readjust TRIGGERING LEVEL if necessary to write 1 horizontal trace each time RESET button is pressed h Repeatedly push and release RESET button while slowly positioning trace vertically b Set TRIGGERING LEVEL for stable display of time markers i CHECK stored line...

Page 70: ...ct Function Generator set for sinewave output through 50 ohm cable 10X 50 ohm attenuator and 50 ohm termination to CH 1 VERT INPUT b Set generator frequency to 20 kHz and adjust generator output amplitude control for 6 4 div of vertical deflection c Center the display vertically on the graticule d Switch TRIGGERING Mode to SINGLE SWP h CHECK for astored display with no breaksgreater than 0 025 inc...

Page 71: ...h the trace does not store a Adjust LEVEL control to produce automatic erase b Hold INTEGRATE button in up to 5 seconds and release c CHECK that the trace stores b Using watch with sweep second hand time the interval between erasures d Release STORE button c CHECK time between erasures 1 second 5 Check Auto Erase Control Settings STORAGE STORE AUTO ERASE VIEWING TlME in in CCW d Turn VIEWING TlME ...

Page 72: ... to CH 1 VERT INPUT connector b Set TIME DIV to 1 ms and VOLTS DIV and VARIABLE to produce exactly 5 divisions of vertical display c Disconnect Standard Amplitude Calibrator signal from CH 1 INPUTand connect CH 1 INPUT to the 5 V CAL OUT connector b Connect dual input cable to CH 1 VERT INPUT connector and to a BNC banana patch cord d CHECK that the 5 V CAL OUT signal is 5 divisions within 0 25 mi...

Page 73: ...ectly adjusted and performs within tolerances given in the Performance Requirements in the Specification Section 1 For best overall performance when performing acompletecalibra tion make each adjustment to the exact setting indicated 3 Adjust Limit Centering Page 5 25 4 Adjust Deflection Plate DC Level Page 5 25 5 Adjust CH 2 Limit Centering Page 5 25 6 Adjust Add Deflection Plate DC Level Page 5 ...

Page 74: ...al K on Storage board See Fig 7 3for location of terminals V and K e Check for a DVM reading of 12 0 V 360 mV 11 640 to 12 360 V f ADJUST R628 see Fig 7 3 12 V for 12 00 V 2 Adjust High Voltage Supply a Connect dc voltmeter between TP701 and ground see Fig 7 3 for location W A R N I N G Hazardous voltages in this area b Check for a voltmeter reading of 1900 V 2 O o 1862 to 1938 V c ADJUST R719 H V...

Page 75: ...ndicator blinks then trace disappears h Push 314 POWER INTENSITY switch in off i Change External DC Selector to 22 V 28 V j Set variable dc supply to 24 V Pull POWER INTENSITY switch out on k Slowly decrease variable dc supply output voltage until 314 just turns off I CHECK variable dc supply voltage should be between 20 and 21 V on DVM 4 Adjust 5 V Calibrator Signal a Remove Q261 see Fig 7 4 for ...

Page 76: ...obtain display c Set INTENSITY midway between a barely visible trace and fully clockwise d ADJUST R651 Astig see Fig 7 4 for location and FOCUS for best definition of time marks over the full screen using CH 1 POSITION control to position the display 3 Adjust Trace Rotation a Set CH 1 lnput Coupling to GND and observe horizontal trace f Set TIME DIV to 10 ms b Position trace vertically to graticul...

Page 77: ...race reaches its maximum length advance INTENSITY to top and bottom graticule line and check for maximum of enough to ensure that all of the start of the trace is fully 0 1 division of curvature of the baseline over 10 horizontal visible divisions Adjust INTENSITY as necessary f Set TIME DIV to 10 ms and TRIGGERING LEVEL fully counterclockwise f ADJUST R575 Geom see Fig 7 5 for location for minimu...

Page 78: ...the crt tag Remove DVM in the pullout Diagrams section NOTE If the operating level is not available from the crt tag adjust the operating level as follows a Release STORE button to out position b Turn R519 see Fig 7 5 Operating Level fully counterclockwise C d e Then Set CH 1 lnput Coupling to GND Set INTENSITY control for normal viewing level Push STORE button in Let background light fully press ...

Page 79: ...e Fig 7 5 Collimation to produce a display during erase cycle that is pulled in at top and bottom by about one half major division 3 Adjust High Voltage Compensation a Release STORE and AUTO ERASE buttons b Set CH 1 Input Coupling to DC c Connect 100 mV square wave from Standard Amplitude Calibrator to Ch 1 VERT INPUT connector via 50 ohm cable d Set CH 1VOLTS DIV to 10 m and adjust VARIABLE for 5...

Page 80: ...t out CCW CCW X1 1 Adjust CH 1 Step Atten Balance and VoltsIDiv Balance a Using CH 1 POSITION control position trace to graticule center adjust INTENSITY and FOCUS as necessary b Switch CH 1 VOLTS DIV to 5 m c ADJUST R27 see Fig 7 4 Step Atten Bal to position trace to graticule center d Switch CH 1 VOLTS DIV to 10 m and repeat parts a through c until there is no shift when switching between 10 m a...

Page 81: ... volt DVM a Connect Constant Amplitude Signal Generator out reading put to CH 1 VERT INPUT connector via 50 ohm cable and 50 ohm termination d Reconnect DVM set to 200 volt range between upper deflection plate terminal AB and ground b Connect test oscilloscope 1O X probe ground lead to 314 chassis ground e ADJUST 493 see Fig 7 4 Limit Centering for a DVM reading of 50 V c Connect probe tip to Q150...

Page 82: ...witch CH 2 VOLTS DIV to 1 mV and standard amplitude calibrator to 5 mV Adjust R73B for exactly 5 divisions of vertical deflection c Disconnect standard amplitude calibrator signal from the 314 9 Adjust and Check Volts Div Compensation a Install calibration shield See Fig 5 2 b Connect Square Wave Generator High Amplitude Output through 50 ohm cable 50 ohm termination and 47 pF Normalizer to CH 1 V...

Page 83: ...ending on Generator used Check Check C14B Check h Switch DISPLAY to CH 2 CH 1 INPUT COUPLING to GND CH 2 INPUT COUPLING to DC Check Check C14A Check 0 MEANS ADJUST FOR i Set Square Wave Generator output amplitude for about 5 divisions of vertical display I MINIMUM ABERRATIONS I HERE j ADJUST Cl1 for flat top on square wave Fig 5 4 Display of correct high frequency compensation idealized k Using CH...

Page 84: ... for 1 time marker division 3 I 2 minor CAL divisions over center 8 graticule divisions Horizontal POSITION midrange SWEEP MAG X1 STORAGE d ADJUST C455 see Fig 7 6 High Speed Timing STORE out for 1 marker division over center 8 graticule divisions ENHANCE out AUTO ERASE out e Horizontally position display start to first left Pull Storage Time Div module out and extend on plug graticule line in ext...

Page 85: ...Compensation a Connect Standard Amplitude Calibrator output via 50 ohm cable to EXT TRIG OR HORIZ INPUT right side panel Set Standard Amplitude Calibrator for 10 V square wave b Set 314 TIME DIV to EXT HORIZ XI and Variableto CAL Set INT button out and EXT ATTEN to X10 c Set test oscilloscope Volts Div to 2 and Time Div to 5 ms d Connect test oscilloscope 1O X probe ground to 314 chassis ground an...

Page 86: ...This Document was scanned from the original Tektronix Service Manual For enquiries about high quality technical manuals Qservice otenet gr ...

Page 87: ...tive 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 X O O O Part first added at this serial number O O X Part removed after this serial number ITEM NAME In the Parts List an ltem Name is separated from the description by a colon Because of space limitations an ltem Name may sometimes appear as incomple...

Page 88: ...ATION SWITCHCRAFT I N C RADIO MATERIALS COMPANY D I V O F P R MALLORY AND COMPANY I N C DALE E L E C T R O N I C S I N C R E P U B L I C E L E C T R O N I C S CORPORATION BENDIX C O R P THE ELECTRICAL COMPONENTS D I V MICROWAVE D E V I C E S PLANT SEALECTRO CORP P 0 BOX 1 4 HANEDA A I R P O R T P 0 BOX 1 2 8 1 2 0 1 2ND S T R E E T SOUTH E L E C T R O N I C S PARK P 0 BOX 867 1 9 T H AVE SOUTH 500...

Page 89: ... 1 8 10PF1500V CAP FXD CER DI 35PF 10 500V CAP VAR PLSTC 2 18PF 500VDC OOOOM 283 0597 01 80031 2805D00218BN02FO 80031 2805DlR81OBH02FO OOOOM 283 0288 00 80031 2805D00218BN02FO 80031 2805DlR810BH02FO 80031 2805DlR810BH02FO 80031 2805D00218BN02FO OOOOM 283 0287 00 OOOOM 283 0231 01 CAP VAR PLSTC PF OOVDC CAP FXD PLSTC 0 019UFl10 600V CAP FXD PLSTC O O UF lO 6OOV CAP VAR PLSTC 2 18PF 500VDC CAP VAR P...

Page 90: ...6 3V CAP FXD CERDI 47PF 9 4PF 5OOV CAP FXD CER DI O O1UF 10 50V OOOOM 290 0728 00 56289 109D905C2125F2 OOOOM 290 0731 00 72982 301 000U2J0470M 72982 8121N075X7R0103K 56289 19C611 72982 301 000U2J0470M 56289 19C611 OOOOM 290 0728 00 OOOOM 283 0229 00 CAP FXD ELCTLT 2 2UF 20 2OV CAP FXD CER DI O O01UF lOO 0 500V CAP FXD ELCTLT 2 2UF 20 20V CAP FXD ELCTLT 2 2UF 20 20V CAP FXD CER DI 4 7PF 0 5PF 50OV ...

Page 91: ... 0 O U F 80 20 25V CAP FXD CER 1 0 022UF 80 20 25V CAP FXD CER DI PF PF OOV CAP FXD CER DI 47PF 9 4PF 500V CAP FXD MICA D 33PF 0 5PF 300V CAP FXD CER DI O O22UF 80 20 25V CAP FXD ELCTLT 2 2UF 20 20V 00853 D10 3E330GO 56289 19C611 OOOOM 290 0728 00 CAP FXD CER DI 0 022 80 20 25V CAP FXD CER DI 470PF 10 500V CAP FXD MICA D 304PF 2 300V CAP VAR PLSTC 0 25 1 5PF 600V CAP VAR PLSTC 0 25 15PFt60OV 56289...

Page 92: ...8 150V CAP FXD ELCTLT lOUF 20 16V CAP FXD ELCTLT 1OUF 2O 16V CAP FXD CER DI O OlUF 80 20 15OV CAP FXD ELCTLT lUF 50 10 150V CAP FXD CER DI O IUF 80 20 12V CAP FXD ELCTLT UF IO V CAP FXD CER DI O IUF 20 50V CAP FXD CER DI 0 001UF 10 200V CAP FXD CER DI 0 1UF 80 2O lOOV CAP FXD CER DI 0 47UF 80 20 10OV CAP FXD CER DI 0 56UF 2O 100V CAP FXD ELCTLT 3UF 20 150V CAP FXD CER DI 0 56UF 20 100V CAP FXD ELC...

Page 93: ... 0246 00 80009 152 0323 00 OOOOM 152 0327 00 80009 152 0246 00 80009 152 0323 00 80009 152 0246 00 80009 152 0323 00 OOOOM 152 0327 00 SEMICOND DEVICE SILICON 400PIV 2OOMA SEMICOND DEVICE SILICON 35V O lA SEMICOND DEVICE SILICON 400PIV 200MA SEMICOND DEVICE SILICON 35V O lA SEMICOND DEVICE SILICON BAX 13 OOOOM 152 0327 00 OOOOM 152 0327 00 OOOOM 152 0327 00 OOOOM 152 0327 00 OOOOM 152 0327 00 SEMI...

Page 94: ... SEMICOND DEVICE SILICON BAX 13 SEMICOND DEVICE SILICON BAX 13 SEMICOND DEVICE SILICON BAX 13 SEMICOND DEVICE SILICON BAX SEMICOND DEVICE SILICON 400V 80009 152 0107 00 80009 152 0107 00 OOOOM 152 0327 00 OOOOM 152 0327 00 OOOOM 152 0327 00 SEMICOND DEVICE SILICON 4OOV SEMICOND DEVICE SILICON 4OOV SEMICOND DEVICE SILICON BAX SEMICOND DEVICE SILICON BAX SEMICOND DEVICE SILICON BAX SEMICOND DEVICE S...

Page 95: ...27 00 OOOOM 152 0327 00 OOOOM 152 0327 00 SEMICOND DEVICE SILICON 175V lOOMA FUSE CARTRIDGE 315MA 250V FAST BLOW FUSE CARTRIDGE O l6OA 250V FAST BLOW FUSE CARTRIDGE 1 6 AMP FAST BLOW FUSE CARTRIDGE 800MA 250V FAST BLOW OOOOM 159 0130 00 OOOOM 159 0131 00 OOOOM 159 0098 00 OOOOM 159 0132 00 JACK TIP BANANA JACK ASSY JACK TIP BANANA JACK ASSY JACK TIP BANANA JACK ASSY CONN RCPT ELEC 15 30CONTACTS 80...

Page 96: ...0 80009 151 0220 00 OOOOM 151 0376 00 OOOOM 151 0376 00 80009 151 1049 00 80009 151 0221 02 80009 151 0221 02 OOOOM 151 0376 00 80009 151 0342 00 80009 151 0220 00 80009 151 0220 00 80009 151 0220 00 OOOOM 151 0376 00 OOOOM 151 0376 00 80009 151 0220 00 TRANSISTOR SILICON PNP SEL FROM 2N4888 TRANSISTOR SILICON NPN TRANSISTOR SILICON PNP TRANSISTOR SILICON PNP TRANSISTOR SILICON PNP SEL FROM 2N4888...

Page 97: ... 00 80009 151 0219 00 OOOOM 151 0489 00 80009 151 0270 00 OOOOM 151 0489 00 OOOOM 151 0306 00 OOOOM 151 0455 00 75042 CEBTO 1004D 01121 CB1055 75042 CEBTO 9903D OOOOM 321 1289 31 OOOOM 322 0621 31 RES FXD FILM 1 M OHM 0 5 O 25W RES FXD CMPSN 1 M OHM 5 0 25W RES FXD FILM ggOK OHM 0 5 0 25W RES FXD FILM 1O lK OHM 0 5 0 125W RES FXD FILM 900K OHM 0 55 O 25W RES FXD FILM lllK OHM 0 5 0 125W RES FXD FI...

Page 98: ...ES FXD FILM 909 OHM 1 0 125W RES VAR NONWIR 50 OHM 10 0 50W RES VAR NONWIR 100 OHM 10 0 50W RES VAR NONWIR 2K OHM X 500 OHM O lW RES FXD CMPSN 100 OHM 5 0 25W RES FXD CMPSN 200 OHM 5 0 25W RES FXD CMPSN 200 OHM 5 0 25W RES FXD FILM 536 OHM 1 0 125W RES FXD CMPSN 13K OHM 5 O 25W RES VAR NONWIR IK OHM 10 0 50W RES FXD CMPSN 100 OHM 5 0 25W RES FXD FILM 536 OHM l O 125W RES FXD FILM 2 49K OHM 1 0 125...

Page 99: ... 50W RES VAR NONWIR lOO OHM 10 0 50W RES VAR NONWIR 2K OHM X 500 OHM O lW RES FXD CMPSN IOO OHM 5 0 25W RES FXD CMPSN 200 OHM 5 0 25W RES FXD CMPSN 200 OHM 5 O 25W RES FXD FILM OHM l O l25W OOOOM 311 1736 00 01121 CB1015 01121 CB2015 01121 CB2015 OOOOM 321 0167 30 RES FXD CMPSN 13K OHM 5 0 25W RES VAR NONWIR 1K OHM 10 O 50W RES FXD CMPSN 100OHM 5 0 25W REs FXD FILM 536 0 M 1 0 125W RES FXD FILM 2 ...

Page 100: ...499 OHM l O 125W RES VAR NONWIR 2K OHM 10 0 50W OOOOM 321 0242 30 OOOOM 321 0242 30 OOOOM 321 0164 30 OOOOM 321 0164 30 73138 82 26 0 RES FXD CMPSN 33K OHM 5 0 25W RES FXD FILM 499 OHM 1 0 125W RES FXD FILM 90 9 OHM 1 0 125W RES FXD FILM 499 OHM 1 0 125 RES FXD FILM 499 OHM 1 0 125W 01121 CB3335 OOOOM 321 0164 30 OOOOM 321 0093 30 OOOOM 321 0164 30 OOOOM 321 0164 30 RES FXD CMPSN 470 OHM 5 0 25W R...

Page 101: ...CB6815 RES FXD CMPSN lOOK OHM 5 0 25W RES FXD FILM K OHM 1 O l25W RES FXD FILM K OHM 1 0 125W RES FXD CMPSN lOOK OHM 5 0 25W RES FXD CMPSN 680 OHM 5 0 25W 01121 CB1045 01121 CB6815 OOOOM 321 0201 30 01121 CB8225 01121 CB2425 RES FXD CMPSN 100K OHM 5 0 25W RES FXD CMPSN 680 OHM 5 0 25W RES FXD FILM l ZlK OHM l O l25W RES FXD CMPSN 8 2K OHM 5 0 25W RES FXD CMPSN 2 4K OHM 5 0 25W 01121 CB3925 01121 C...

Page 102: ... 25W RES FXD FILM 5K OHM 0 25 0 125W RES FXD FILM 289 OHM 0 25 0 125W RES FXD FILM 6 19K OHM 1 0 125W RES FXD FILM 100K OHM l 0 125W RES VAR NONWIR IOK OHM IO IW RES FXD CMPSN 8 2K OHM 5 0 25W RES FXD CMPSN 3 9K OHM 5 0 25W RES FXD FILM l I8K OHM 1 0 125W RES FXD FILM 2 41K OHM 0 25 0 125W 01121 01121 01121 01121 01121 01121 71590 01121 01121 01121 01121 01121 01121 01121 01121 01121 01121 01121 0...

Page 103: ...30 OOOOM 321 0168 30 RES FXD FILM 4 42K OHM 1 0 125W RES FXD FILM 4 64K OHM 1 0 125W RES VAR NONWIR lK OHM 10 0 50W RES FXD FILM 4 02K OHM 1 0 125W RES FXD FILM PlK OHM l O l25W OOOOM 321 0255 30 OOOOM 321 0257 30 OOOOM 311 1740 00 OODOM 321 0251 30 OOOOM 321 0320 30 01121 CB2425 01121 CB3325 OOOOM 321 0394 30 OOOOM 321 0394 30 OOOOM 321 0226 30 RES FXD CMPSN 30K OHM 5 0 25W RES FXD CMPSN 200 OHM ...

Page 104: ...01121 CB1535 OOOOM 31l 17 4 OO RES FXD FILM gO gK OHM 1 0 125W RES FXD FILM 107K OHM 1 0 125W RES FXD FILM 17 8K OHM 1 0 125W RES FXD CMPSN 15K OHM 5 0 25W RES VAR NONWIR 20K OHM 10 0 50W OOOOM 321 0351 30 75042 CECTO 2433F 01121 CB7535 01121 CB7535 01121 EB1045 RES FXD CMPSN 3 3K OHM 5 0 25W RES FXD CMPSN 1K OHM 5 O 25W RES FXD CMPSN OK OHM 5 0 25W RES FXD CMPSN KOHM 5 0 25W RES FXD CMPSN lZK OHM...

Page 105: ... 20K OHM 10 0 50W RES FXD CMPSN 62K OHM 5 0 25W OOOOM 321 0329 30 01121 CB3325 01121 CB3935 OtiOOM 311 1744 00 01121 CB6235 RES FXD CMPSN 1K OHM 5 0 25W RES FXD CMPSN 62K OHM 5 0 25W RES FXD CMPSN 27K OHM 5 0 25W RES FXD CMPSN 270 OHM 5 O 25W RES FXD CMPSN 47K OHM 5 0 25W 01121 CB6225 01121 CB2445 OOOOM 311 1746 00 01121 CB3935 OOOOM 311 1743 00 RES FXD CMPSN 1 2 OHM 5 0 5OW RES FXD COMP 4 7 OHM 5...

Page 106: ...1 0 125W RES VAR NONWIR 50K OHM 10 0 50W RES FXD CMPSN 470 OHM 5 0 25W RES VAR NONWIR lOOK OHM 10 0 50W RES FXD CMPSN 200K OHM 5 0 25W RES FXD CMPSN glK OHM 5 0 25W RES FXD CMPSN 3 9K OHM 5 0 25W RES FXD CMPSN lK OHM 5 0 25W RES FXD CMPSN lOK OHM 5 0 25W RES FXD CMPSN 3 3M OHM 5 0 25W RES FXD CMPSN l2K OHM 5 0 25W RES FXD CMPSN 22M OHM 5 0 25W RES FXD CMPSN lOK OHM 5 0 25W RES FXD CMPSN 120 OHM 5 ...

Page 107: ...AS SWITCH PUSH SWITCH PUSH 4 BTN 2 4 POLE SWITCH PUSH SPDT lA 115AC MOM SWITCH TOGGLE 82389 46206LFE OOOOM 260 1728 00 09353 U21 SHZQE OOOOM 260 1728 00 SWITCH SLIDE LO M H SWITCH TOGGLE DPDT 5A 125VAC 0 25 40 THD SWITCH SLIDE AC TRANSF0RMER TOROID CORE FERRITE TRANSF0RMER POWER TRANSF0RMER CONVERTER TRANSF0RMER EXCITING OOOOM 120 0764 00 OOOOM 120 0943 00 OOOOM 120 0944 00 OOOOM 120 0945 00 MICRO...

Page 108: ...OND DEVICE ZENER O 4W 6 2V35 81483 69 9035 VR603 152 0243 00 SEMICOND DEVICE ZENER 0 4W 15V 5 80009 152 0243 00 VR604 152 0283 00 SEMICOND DEVICE ZENER O 4W 43V 5 04713 1N976B SEMICOND DEVICE ZENER 0 4W 6 2V 5 81483 69 9035 SEMICOND DEVICE ZENER 0 4W 5 1V 5 80009 152 0195 00 SEMICOND DEVICE ZENER 0 25W 5 9V 04713 SZ50850 SEMICOND DEVICE ZENER O Z5W 5 9V 04713 SZ50850 SEMICOND DEVICE ZENER 0 25W 5 ...

Page 109: ...t o r Battery Capacitor fixed or variable Circuit breaker Diode signal or rectifier Delay line Indicating device lamp Spark Gap Fuse Filter Heat dissipating device heat sink heat radiator etc Heater H y b r i d circuit Connector stationary p o r t i o n Relay Inductor fixed or variable Meter Connector movable p o r t i o n Transistor o r silicon controlled rectifier Resistor fixed or variable Ther...

Page 110: ...SISTORS TRANSISTORS FET DUAL FET I METAL CASED I INTEGRATED CIRCUITS TAB 4 E C B SILICON CONTROLLED RECTIFIER GATE I R O U N D J I METAL DUAL IN LINE PACKAGE Figure 7 1 Semiconductor lead configurations REV A FEB 1977 ...

Page 111: ...G ATTEN GEOMETRY I I COLLIMATION I COLLIMATION FLOOD GUN R575 R 5 6 8 ANODE Q570 Q574 CH I CH 2 TRIGGER SOURCE 5305 TRI GGEH SOURCE TARGET CONTROL AMPLIFIER Q528 Ql65 SWITCH Q237 OR HORlZ A T T E N ENHANCE 2535 Q537 J AG 170V INPUT POWER IooV RECTIFIER SUPPLIES t 1 2 V 12v CR600 4605Q607 4 7v I I Q609 Q610 tv I Q I Q612 U615 Tz 1 2 2 4 DC El DC I 4635Q637 60v J605 I I Q638Q6404 12ov I I 5600 5603 ...

Page 112: ...1 314 Service A6 H I G H VOLTAGE UNBLANKING BOARD Figure 7 2 Circuit board locations ...

Page 113: ......

Page 114: ...CKT GRlD NO LOC C1 1D C2 1D C4A 3 6 C4B 2B C4C 2 6 C5A 3C C5B 2C C5C 2C C6A 3C C6B 2C C7A 3D C7B 2D C7C 2 D C9 3E CKT GRlD NO LOC CKT GRlD NO LOC CKT GRlD NO LOC R15B 2F R15C 2F R16B 2F R16C 2G R17B 2G R17C 2G R301 1H S2 1C S12 1E A 1 ATTENUATOR BOARD ...

Page 115: ...nstrument to instrument Waveforms The 314 control settings used for most of the waveforms are as follows VOLTSIDIV TIMEIDIV TRIGGERING Mode Coupling Source SLOPE DISPLAY AUTO AC INT CH 1 orCH 2 Any deviation from these settings is included with the waveforms for each circuit diagram The signal source for the tests was a 50 kHz sine wave connected through a 50 fi termina tion and Dual lnput Cable f...

Page 116: ......

Page 117: ...314 Service Figure 7 8 A2 Vertical Amplifier circuit board See Parts List for serial number ranges REV B FEB 1977 ...

Page 118: ...9 C200 CKT GRlD NO LOC I I CKT GRlD NO LOC CKT G R l D NO LOC CKT GRlD NO LOC L l O l 41 L103 41 L104 41 L232 5E L234 5F Q25AB I E 0 5 1 3E Q55 3 D Q65AB 1H Q91 3G Q95 2G Q105 4F Q l l O 4E Q115 3C Q125 4C Q135 4C Q145 2C Q150 4F Q160 4E 0165 5E Q188 41 Q198 4H Q200 41 Q202 5 H Q205 61 Q206 61 Q210 4H Q212 5G Q215 6G 0216 6 H 0220 5E 0235 5F 0236 5F 0237 5F 0260 6 D 3261 6C CKT GRlD NO LOC CKT GRl...

Page 119: ...VERTICAL PREAMP CIRCUIT BOARD REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 120: ...ESlST SET T R I G I FEEDBACK O U T I R I C H 2 T R I G q 6 V 3 C R 2 2 9 D l A G SIGNAL IN S I G N A L OUT 3 44 CH 2 SIGNAL TO C R l l O R 9 0 14 2 0 0 d R 9 5 125 W l T H DISPLAY C H 2 SIGNAL R 6 0 536 i W l T C U IN C H 2 TO C R 1 1 3 20 0 6 V 3 2 7 6v 6 V 3 6 V 3 6 V 2 2 F iL2 2 F C 6 0 BAL 1 U 8 0 PREAMP B A L S I G N A L OUT SIGNAL IN LOAD R E S I S T FEEDBACK h R66 2 1 100 0 1 CH 2 VOLTS DIV...

Page 121: ...TPUT AMPLIFIER Waveforms 1 and 3 Waveforms 5 6 and 9 Waveforms 7 and 8 Test oscilloscope ac coupled DISPLAY CHOP DISPLAY ALT REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 122: ...E V750 CH 2 SIGNAL FROM 1 N 1 CR113 C 2 0 9 IpF 0 25 1 5pF m i COMPOSITE TRl GGER TO I30 OOK 4131 3 9 0 d l 6 2 DlAG CHOP BLANK PULSE THRU P761 9 P762 I DlAG A L T SYNC PULSE FROM P761 DlAG ft IOOV FROM P 7 6 0 I 6 V FROM P760 2 SEE PARTS LIST FOR SEMICONDUCTORTYPES 6 V FROM P760 3 a24 57 REV 0 SEP 1978 VERTICAL OUTPUT AMPLIFIER btdU I I 6 V PARTIAL A2 VERTICAL AMPLIFIER BOARD SEE DIAG 3 1 4 ...

Page 123: ...i t a 0 6 i smounted on war srde a board I i 1 1 1 1 1 I 1324 25 F gure 7 98 A3 Trl gerSwirl l a r c board be ow SR 302339 ...

Page 124: ...1 31 6 Service SWf TCH BOARD ...

Page 125: ...TRIGGER SOURCE REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 126: ...LINE TRIG FROM P748 8 DlAG THRU P762 8 P760 7 TRIGGER SIGNAL T 0 R3l1 SEE PARTS LIST FOR SEMICONDUCTOR TYPES TRIGGER SOURCE PS 3 74 ...

Page 127: ...R336 5B CR337 4C CR341 5 D CR346 4D CR368 3F CR387 5F CR403 2 F L453 4H L472 3 H L473 3 H Q313 2C 2318 l a CKT GRlD NO LOC CKT GRlD NO LOC R311 1C R313 2C R316 I D R318 1D R319 2D R320 2D R321 2D R323 2 D R325 2 D R326 2C R327 3 D R328 2C R329 3B R330A 3C R332 4C R333 5C R334 5C R335 4 D R336 4C CKT GRlD NO LOC R337 4B R338 4B R339 4C R340 3 8 R341 3B R342 3 8 R343 5C R344 2D R345 5C R346 4D R347 ...

Page 128: ...SWEEP GENERATOR Waveforms 1 and 2 l o p s Waveforms 3 4 5 and 6 1 ms REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 129: ......

Page 130: ...HORIZONTAL OUTPUT REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 131: ...AL BB 8ER 6 V C261 PARTIAL A5 STORAGE BOARD R 2 7 3 0 1 1 37 a J 2 7 5 l k 1I 0 5V GAL OUT Q26I CR270 CR27I f YG262 T2 2 uF R 2 6 2 NOTE 330 5 DIV INDICATES SEPARATE CAL SIGNAL 6V I GROUNDING RETURNED TO 5YSTEM GROUND T O 55 22 AT T E R M I N A L A L K ON POWER SUPPLY SEE PARTS LIST FOR O BOARD SEMICONDUCTOR TYPES 5 DIV GAL SIGNAL PARTIAL A2 VERTICAL AMPLIFIER BOARD TO 515 22 d DlAG 1824 60 REV a ...

Page 132: ...RlD NO LOC CKT GRlD NO LOC R502 3 8 R504 2B R505 2 8 R506 1B R507 1B R508 2C R509 2C R510 1C R511 1C R512 2D R513 I D R514 I D R515 I D CKT GRlD NO LOC RCi6 1E R518 1E R519 1B R522 2D R523 I F R524 2E R525 1E R527 2F R529 2G R530 2G R531 2G R532A 4D R532B 4E CKT GRlD NO LOC R533 4D R534 3D R535 4E R538 3E R539 4 F R540 4 F R541 4 F R542 4 F R545 3F R546 4G R547 3F R548 3G R550 4G CKT GRlD NO LOC R...

Page 133: ...STORAGE TRIGGERING Mode ST0RE AUTO ERASE SINGLE SWP Button in Button in REFER TO VOLTAGE AND WAVEFORM CONDITIONS ASSEMBLY A1 FOLDOUT FOR ADDITIONAL INFORMATION ...

Page 134: ... I2 I 5 5 0 0 A IsTonEI C I I I I SEE DlAG I oov GEOMETRY GATE PULSE G FROM c U340 15 DlAG FROM GATE PULSE H FROM U340 14 DlAG I GATE PULSE TO J 7 7 0 P R 5 3 9 DlAG 3 3 K SEE PARTS LIST FOR SEMICONDUCTOR TYPES PARTIAL A 4 HORlZ BOARD 6 PARTIAL A 5 STORAGE BOARD PARTIAL A 5 STORAGE BOARD STORAGE 6 PS 9 74 ...

Page 135: ...oltage protection If 12v rises above 15 or 27 8 rises above 43 then Q605 latches and blows whichever fues is supplying power U615 regulates in put votage to T660 so that the 12v is 12v S605 in 11 14v range uses a different set of taps on T660 and the output voltage from Q607 will be lower to match Q658 is a constant current bias circuit which powers the inverter transistors Q657 and Q660 Q612 and ...

Page 136: ...680 o 2bB A B V R 6 5 8 G 5 IV R655 7 5K I S E E DlAG T U R N O F F L E V E L T 6 6 5 NOTE I INDlCATES SEPARATE GROUNDING SYSTEM R E T U R N E D TO GROUND SEE PARTS LIST FOR AT T E R M I N A L AL SEMICONDUCTOR TYPES ON POWER SUPPLY BOARD 1 P A R T I A L A7 P O W E R SUPPLY B O A R D I 1024 62 POWER SUPPLY P A R T I A L A8 INTERFACE B O A R D REV B AUG 9T7 31 4 ...

Page 137: ... 1D 3 A CKT GRlD N0 LOC Q612 2E 0635 3E 0637 2E 0638 4D 0640 4E Q767 3C 0772 3C CKT GRID N0 LOC R610 3E R611 I D R612 3E R614 2E R615 3E R616 3E R618 1C R619 I D R620 1C CKT GRID NO LOC R622 I D R626 1E R627 I D R628 I D R629 1C R630 I D R634 3D R636 4E R638 4D CKT GRID NO LOC CKT GRID NO LOC R762 4 8 R763 3 8 R770 3C R771 3C U615 1E U765 3C VR630 I D VR760 3 8 REV 4 FEE 1977 ...

Page 138: ... II I 12V A 0 m 1 0 FROM C680 o lO OK T U R N O F F L E V E L SEE DlAG T 6 6 S NOTE I l NDICATES SEPARATE G R O U N D I N G SYSTEM RETURNED TO GROUND SEE PARTS LIST FOR AT T E R M I N A L AL SEMICONDUCTOR TYPES O N POWER S U P P L Y P A R T I A L A7 P O W E R SUPPLY B O A R D POWER SUPPLY PARTIAL A8 I N T E R F A C E B O A R D 1 1624 62 REV B AUG S T 7 314 ...

Page 139: ...R574 OIAG THRU PIN L P762 GATE TO DlAG P761 3 GATE PULSE FROM DlAG R532A THRU PIN J 6VI R33I TRIG IOK 1 SEE DlAG 6 DIAG TO R 3 3 0 DIAC GATE PULSE FROM R539 THRU PIN I 6VI SEE DlAG 5338 R147 THRU PIN Y DlAG D A C SLOPE SELECT TO R 3 3 9 I SEE DlAG P760 I L I 1 1 14 1 6 1 l l r l I a 62 r 4 PARTIAL A2 VERTICAL A M P L l FlER BOARD IOOV h 6 V LINE TRIG TO 6 V 6V IOOV CHOP BLANK LINE TRlG THRU TO TO ...

Page 140: ... WiGH VOLTAGE GMBLAK iKil iG BOAR3 CKT GRID XO LOC C601 36 C602 4 6 C692A 2F C692E 2E C692C 2D C692D 2E C692E 2E C692F 230 C694 2 6 6700 2A C70 3A C712 36 CKT GRtD CKT GRIO NQ LOC NQ LOC I CKh GRlD CKT GRtD CKT GRID CKT GRlD NO LQC NO LOC NO LOC NO LOC CKT GRtD NO LOC ...

Page 141: ... board See Pam Lit or Figure 7 14A A6 EV 2nbianking circuit board iSN 30 5 up CKB GWlD NO LOB 07 2 29 62727 2 6 Q723 36 0730 3F a734 3E 0744 33 0745 3D CKT GRfD NO LOC P748 4G CKT GRiD NO LOC A6 HIGH VOLTAGE UNBLANKING BOARD ...

Page 142: ......

Page 143: ...OS DlAG 470 l0OVl IOOV R748 R 7 4 2 1 0 0 IOOV 6 V 47 K CR74 1 7 U I 6 V 1 ECV A 6 V A A N I R 7 4 6 CR742 1 2K 6 V R74 0 6 V 100 Q723 C731 C740 01 180 R724 I I IK C R 7 2 6 CR728 r Q73 0 C 7 2 8 6 V 6 V 2 2 0 I CR725 P702 r FROM R346 3 4 9D I A L 0 4i l RY ARTIAL A 8 NTERFACE I BOARD GATE PULSE FROM I DIAG THRU P770 M P762 2 DlAG CHOP BLANK DlAG THRU DlAG T J700 P72 I 6 V PARTIAL A 6 HIGH VOLTAGE...

Page 144: ...This Document was scanned from the original Tektronix Service Manual For enquiries about high quality technical manuals Qservice otenet gr ...

Page 145: ...Assembly andlor Component Attaching parts for Assembly andlor Component _ _ _ _ _ _ Detail Part of Assembly andlor 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 i...

Page 146: ...ANT I N D U S T R I A L R E T A I N I N G R I N G CO MALCO A MICRODOT COMPANY I N C CONNECTOR AND CABLE D I V I S I O N 1 0 5 S E TAYLOR P 0 BOX 1 4 HANEDA AIRPORT P 0 BOX 3608 AUDUBON ROAD 7 1 0 0 LAMPSON AVE 9 3 0 1 ALLEN DRIVE YOUK EXPRESSWAY 1 21 E A S T JEFFERSON S T PO BOX 85 O F F ROUTE 4 5 P 0 DRAWER 570 5 7 1 W POLK S T P 0 BOX 2 2 4 4 4 0 B R I S T O L S T 4 4 6 MORGAN S T 3 1 BROOK S T ...

Page 147: ...X 0 125 INCH HEX SOC STL RES VAR LEVEL SLOPE SEE R331 S338 EPL ATTACHING PARTS NUT PLAIN HEX 0 25 32 X 4 6 MM LG BRS WASHER FLAT 7 6 MM ID X 1 1 MM OD RES VAR POS CHl AND CH2 SEE R44A B R84A B ATTACHING PARTS FOR EACH NUT PLAIN HEX 6 MM THD X 4 6 MM LG BRS WASHER FLAT 7 6 MM ID X 1 1 MM OD WASHER LOCK INTL O 26 ID X 0 40flOD STL I FR PUSH BUTT0N GRAY PLASTIC FRAME PUSH BTN PLASTIC PANEL FRONT MAIN...

Page 148: ...3 2x12161 402 78189 1104 00 00 0541C 83385 OBD 93907 OBD 83385 OBD OOOOM SHIELD ELEC VERTAMP OOOOM SW PUSH VERT MODE TRIG SOURCE SEE S130 EPL SPACER PB SW 9 5 MM X 21 5 MM L TEFLON OOOOM SWITCH PUSH CH2 INVERT SEE S98 EPL SPACER PB SW 0 164 INCH LONG 80009 WIRE ELECTRICAL 3 WIRE RIBBON 80009 CKT BOARD ASSY TRIGGER SWITCH SEE A3 EPL ATTACHING PARTS SCR ASSEM WSHR 4 40 X 0 312 INCH PNH BRS 83385 SPA...

Page 149: ...88245 88245 22526 00779 EPL OOOOM 83385 78189 86928 80009 83385 78189 80009 83385 OBD 1204 00 00 0541C 5714 147 20N OBD 1204 00 00 0541C OBD ACTUATOR ASSY INCLUDES CONTACT ELEC GROUNDING NUT PLAIN HEX 4 40 X 0 188 INCH BRS SPRING FLAT GREEN COLORED SPRING FLAT RED COLORED ROLLER DETENT O l25 DIA X 0 125 INCH L BEARING CAM SW FRONT ATTACHING PARTS RING RETAINING 0 39511FREE ID X 0 025 STL ACTR CAM ...

Page 150: ...8 L 22 26AWG WIRE CONN BODY PL EL 2 WIRE BLACK CABLE SP ELEC APPROX 4 N SEC FORM DELAY LINE BOBBIN NYLON ATTACHING PARTS SCR TPG THD FOR 2 32 X 0 188 INCH PNH STL SPACER POST 4 40 X 10 MM THD EA END ATTACHING PARTS SCREW MACHINE 4 40 X 0 375 100 DEG FLH STL SCREW MACHINE 4 40 X 0 25 INCH PNH STL WASHER LOCK C4 INTL O O15THK STL CD PL BLOCK MOUNTING 15 MM SQ X 3 0 MM THK STL ATTACHING PARTS SCREW M...

Page 151: ...9 4706 05 01 0531 80009 342 0163 00 OOOOM 441 1270 00 ATTACHING PARTS SCREW MACHINE 4 40X 0 25 INCH PNH STL WASHER LOCK 4 INTL O O15THK STL CD PL I SKT PL IN ELEK ELCTRN TUBE 12 CONT W LEADS WIRING HARNESS CRT SOCKET CONNECTOR TERM 0 48 L 22 26AWG WIRE CONN BODY PL EL l WIRE BLACK CONN BODY PL EL 5 WIRE BLACK CONN BODY PL EL 6 WIRE RED WIRING HARNESS VERTICAL AMPLIFIER CONNECTOR TERM 0 48 L 22 26A...

Page 152: ... 4 FRAME PUSH BTN PLASTIC 80009 426 1072 00 1 PANEL FRONT STORAGE MODULE 80009 333 2016 00 1 SUBPANEL FRONT STORAGE MODULE OOOOM 386 3202 00 1 SWITCH PUSH W HDWR RESET SEE S337 EPL ATTACHING PARTS 1 WASHER LOCK INTL O 172 ID X 0 331 ODlSTL 78189 1208 00 00 0541C 1 SW PUSH W HDWR INTEGRATE SEE S565 EPL 1 SHIELD ELEC REAR STORAGE MODULE OOOOM 337 2153 00 ATTACHING PARTS 4 SCR TPG THD FOR 2 32 X 0 18...

Page 153: ...009 WIRE ELECTRICAL 2 WIRE RIBBON 80009 175 0825 00 CONNECTOR TERM 0 48 L 22 26AWG WIRE 22526 75691 005 CONN BODY PL EL 2 WIRE BLACK 80009 352 0169 00 CKT BOARD ASSY HORIZONTAL SEE A4 EPL TERM PIN 0 46 L X 0 025 SQ PH BRZ GL 22526 TERMINAL PIN 0 365 L X 0 25 PH BRZ GOLD PL22526 CONTACT ELEC 1 15 INCH LONG 22526 HOLDER TERMINAL FOR 8 SQUARE PINS 80009 CONTACT ELEC CKT BD SW SPR CU BE 80009 SOCKET P...

Page 154: ...IP ELECTRICAL FUSE MOUNT CONNECTOR TERM 0 48 L 22 26AWG WIRE CONN BODY PL EL 2 WIRE RED CONN BODY PL EL 3 WIRE RED CONN BODY PL EL 6 WIRE RED BRACKET HEAT SK ATTACHING PARTS SCREW MACHINE 4 40X 0 188 INCH PNH STL WASHER LOCK 4 INTL O O15THK STL CD PL SCREW MACHINE 4 40X 0 25 100 DEG FLH STL EXTENSION SHAFT O 124 OD X 9 35 INCH LONG CPLG SHAFT FLEX FOR 0 125 INCH DIA SHAFTS SETSCREW 40 X 0 188 INCH...

Page 155: ... 6 32X 1 75 INCH PNH STL WASHER FLAT 0 15 ID X 0 312 INCH OD COVER REAR GRAY SWITCH SLIDE LINE SEE S602 EPL ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL WASHER LOCK SPLIT O 118 ID X 0 212 OD STL CAPACITOR W HDWR SEE C600 EPL ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL WASHER LOCK 4 INTL O O15THK STLCD PL CLAMP CAPACITOR 0 5 MM THK STL JACK TIP BANANA JACK ASSY ATTACHING PARTS ...

Page 156: ... DEG FLH STL 1 TERMINAL LUG SE 4 ATTACHING PARTS 1 SCREW MACHINE 4 40 X 0 188 100 DEG FLH STL 1 NUT PLAIN HEX 4 40 X 0 188 INCH BRS 2 TERMINAL LUG SE 4 ATTACHING PARTS FOR EACH 1 SCREW MACHINE 4 40 X 0 25 INCH PNH STL 3 GROMMET PLASTIC 0 312 INCH DIA 1 SPACER CKT BD 0 188 INCH HEX BRASS ATTACHING PARTS 1 SCREW MACHINE 4 40 X 0 25 100 DEG FLH STL 1 CHAS PWR SUPPLY 27 CONNECTOR TERM 0 48 L 22 26AWG ...

Page 157: ...RYING BLK VINYL ATTACHING PARTS SCREW MACHINE 8 32 X 0 312 INCH PNH STL WASHER LOCK INTL O 172 ID X 0 33lWOD STL WASHER FLAT 0 156 ID X 1 125 INCH OD DIA OOOOM 83385 83385 80009 80009 OOOOM OOOOM OOOOM 83385 78189 OOOOM OBD OBD OBD 1208 00 00 0541C 210 1144 00 OOOOM 386 2181 00 OOOOM 386 2582 00 4 PLATE FRICTION OOOOM 386 2182 00 l l 2 RETAINER HANDLE 32 5 MM OD X 11 7 MM L STL OOOOM 343 0542 00 A...

Page 158: ...DGE 0 800A 250V FAST BLOW FUSE CARTRIDGE 0 315A 250V FAST BLOW FUSE CARTRIDGE O l60A 250V FAST BLOW MANUAL TECH SERVICE MANUAL TECH OPERATORS OPTIONAL ACCESSORIES ADAPTER CONN BNC TO BINDING POST VISOR CRT FILTER LT CRT BLUE FIXTURE CAL SHIELD FIXTURE CAL EXTENSION CABLE 80009 010 6049 11 80009 010 6149 03 OOOOM 016 0612 00 OOOOM 346 0131 00 OOOOM 012 0406 00 OOOOM 159 0098 00 OOOOM 159 0132 00 OO...

Page 159: ...TYPE 314 OSCILLOSCOPE ...

Page 160: ...TYPE 314 OSCILLOSCOPE ...

Page 161: ...REV B FEB 1976 TYPE 314 OSCILLOSCOPE ...

Page 162: ...TYPE 314 OSCILLOSCOPE ...

Page 163: ... 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 someelectrical parts in your instrument may be different from those described in the Replaceable Electrical Parts List ...

Page 164: ... output sig nal at least 1 V High Amplitude out put 60 V PG 506 Does not have chopped feature SG 503 Amplitude range 5 mV to 5 5 V p p SG 503 Frequency range 250 kHz to 250 MHz SG 504 Frequency range 245 MHz to 1050 MHz TG 501 Trigger output slaved to marker output from 5 sec through 100 ns One time mark can be generated at a time TG 501 Trigger output slaved to market output from 5 sec through 10...

Page 165: ...I DESCRIPTION MANUAL CHANGE INFORMATION P R O D U C T E 1CHANGE REFERENCE M 3 2 0 4 8 MECHANICAL PARTS L I S T CHANGES EFF SN 3 0 2 4 0 7 FIG INDEX 2 162 1 6 1 0 0 3 3 2 4 1 CABLE ASSY PWR 3 18 AWG 1 2 5 V 2 1 6 5 3 4 4 0 2 7 0 0 0 1 CLIP POWER C0RD BLACK NYLON PAGE 1 OF 1 3 CONDUCTOR ...

Page 166: ...This Document was scanned from the original Tektronix Service Manual For enquiries about high quality technical manuals Qservice otenet gr ...

Search results

Summary of Contents for 314

Reviews:

Related manuals for 314

Brands by name

Popular brands

Tektronix 314, Instruction Manual

Search results

Summary of Contents for 314

Reviews:

Related manuals for 314

Brands by name

Popular brands