Tektronix 475 Instruction Manual Download

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Tektronix, Inc.

P .0. Box 500

Beaverton, Oregon

070-1332-00

TEKTRONIX®

OSCILLOSCOPE

SERVICE

I N S T R U C T I O N

M A N U A L

97005

Serial Number

273

Summary of Contents for 475

Page 1: ...Tektronix Inc P 0 Box 500 Beaverton Oregon 070 1332 00 TEKTRONIX OSCILLOSCOPE SERVICE IN S T R U C T IO N M A N U A L 97005 Serial Number 273 ...

Page 2: ...ill assure you the fastest possible service Please include the instrument Type Number or Part Number and lerial Number with all requests service g I Specifications and price change privileges reserved Copyright 1973 by Tektronix Inc Beaverton Oregon Printed in the United States of America All rights reserved Contents of this publication may not be reproduced in any form without permission of Tektr...

Page 3: ...c Displays Introduction 2 6 Normal Sweep Display 2 6 Magnified Sweep Display 2 7 Delayed Sweep Display 2 7 Mixed Sweep Display 2 7 X Y Display 2 7 SECTION 3 CIRCUIT DESCRIPTION Introduction 3 1 Digital Logic 3 1 Block Diagram 3 2 General 3 2 Channel 1 Preamp 3 3 General 3 3 Input Coupling 3 3 Input Attenuator 3 3 First Cascode Amplifier 3 4 Second Cascode Amplifier 3 4 Third Cascode Amplifier 3 4 ...

Page 4: ... 3 12 General 3 12 Delaying Sweep Generator 3 12 Main Gate Amplifier 3 12 Sweep Disconnect Amplifier 3 12 Sawtooth Sweep Generator 3 13 Sweep Start Amplifier 3 13 Output Buffer Amplifier 3 13 Logic Comparator 3 13 Delay Pickoff Comparator 3 13 Non Delaying Sweep Generators 3 14 B Gate Amplifier 3 14 Non Delaying Sweep Generator Differences 3 14 Mixed Mode Operation 3 14 Logic Comparator 3 14 Horiz...

Page 5: ...al Calibration Fixtures 5 1 Calibration Equipment Alternatives 5 1 Preliminary Control Settings 5 4 Performance Check 5 5 Introduction 5 5 Index 5 5 Preliminary Procedure 5 5 Vertical System Check 5 6 Trigger System Check 5 9 Horizontal System Check 5 11 Short Form Calibration 5 14 Introduction 5 14 Preliminary Procedure 5 14 Power Supplies Display Calibration 5 14 Vertical System Calibration 5 15...

Page 6: ...475 475 Oscilloscope ...

Page 7: ...by variations in line voltage and frequency Maximum power consumption of the instrument is approximately 100 watts The following instrument specifications apply over an ambient termperature range of 15 C to 55 C unless otherwise specified Warm up time for specified accuracies is 20 minutes The calibration procedure given in section 5 if performed completely will allow an instrument to meet the ele...

Page 8: ...to 10 ms div 2 3 A INT Sweep All rates 2 3 15 C to 55 C All Sweeps All Rates 3 4 X I0 Magnified Sweep Accuracy Within 5 over any two division interval Mixed Sweep Accuracy Within 3 Variable Time Division Control Range Provides continuously variable uncalibrated sweep rates between the calibrated settings of the T IM E D IV switch Extends the slowest A sweep rate to at least 1 25 seconds division E...

Page 9: ...DC to 3 MHz Input Resistance Same as vertical deflection system Input Capacitance Same as vertical deflection system Maximum Usable Input Voltage Same as vertical deflection system CALIBRATOR Output An approximate 1 kilohertz repetition rate 30 milliampere 2 300 millivolt 1 square wave signal Z AXIS INPUT Sensitivity A 5 volt peak to peak signal causes noticeable modulation at normal intensity Usa...

Page 10: ...PLEMENTAL INFORMATION The supplemental information listed here represents limits that when met ensure optimum instrument operation They are however not instrument specifications but are intended to be used only as maintenance or operational aids VERTICAL DEFLECTION SYSTEM Common Mode Rejection Ratio Low Frequency Linearity There should be no more than 0 1 division of compression or expansion of a ...

Page 11: ...the display start and the first 0 2 division or 0 1 microsecond whichever is greater after the transition of A to B Differential Time Measurement Accuracy Exclude DELAY TIM E POSITION dial settings of 0 00 through 0 50 for 0 5 second through 1 0 microsecond division delaying sweep rates Exclude DELAY TIM E POSITION dial settings of 0 00 through 1 00 for 0 5 microsecond through 0 05 microsecond div...

Page 12: ...e CH 2 VERT SIGNAL OUT connector is approximately 50 ohms Output resistance of A and B GATE outputs is approximately 500 ohms Raster Distortion CATHODE RAY TUBE 0 1 division or less Resolution Typically at least 15 lines per division horizontally and Nominal Accelerating Potential vertically Approximately 18 000 volts 1 6 ...

Page 13: ...select the correct nominal line voltage and regulating range proceed as follows 1 Disconnect the instrument from the power source 2 To convert from 115 volts nominal to 230 volts nominal line voltage set the selector switch to the 230 volts position toward the rear of the instrument Change the line cord plug to match the power source or use a 115 to 230 volt adapter NOTE Color coding of the cord c...

Page 14: ...2 0 R Y Input connector for Channel 2 deflection signals or Y axis deflec tion in the X Y mode of operation The feet on the rear panel provide a convenient cord wrap to store the power cord when not in use CONTROLS AND CONNECTORS General The major controls and connectors for operation of the 475 are located on the front panel of the instrument A few auxiliary functions are provided on the rear pan...

Page 15: ...l ouay rim m sm VOLTS DIV POSITION VOLTS DIV 16VEL CH 2 r SCAL ILIUM JFOCUS A B Sweep Calibrator Channel 1 Channel 2 Power A Triggering B Triggering A Front panel B Rear panel 8 2 3 Fig 2 2 Front and rear panel controls and connectors ...

Page 16: ...Accepts signals above about 60 Hz LF REJ Rejects DC and attenu ates signals below about 50 kHz LEVEL Accepts signals above about 50 kHz HF REJ Accepts signals between 60 Hz and 50 kHz Rejects DC and attenuates all signals outside the above range DC Accepts all trigger signals between DC and 200 MHz or greater Selects source of trigger signal N O R M Internal trigger signal obtained from Vertical D...

Page 17: ...elay time to be multiplied by the DELAY TIME POSITION dial set ting for delayed sweep operation The B TIM E D IV switch inner dark knob selects the sweep rate for A only displays or for the B portion of a delayed sweep display VAR control must be in the cali brated detent for calibrated sweep rates VAR Provides continuously variable un calibrated sweep rates between the calibrated settings of the ...

Page 18: ... current 300 mV squarewave volt 20 MHz BW Switch Not limited age signal with a repetition rate of INVERT Switch Button out approximately 1 kHz INTENSITY Control Fully counterclockwise FOCUS Control Midrange Turns instrument power on and off SCALE ILLUM Control Midrange Light that indicates the applied line voltage is below the lower limit of Trigger Controls both A ahd B if applicable the regulati...

Page 19: ...h to B DLYD The intensified zone on the display noted in step 3 is now being displayed in delay form The delayed sweep rate is indicated by the dot on the B T IM E D IV switch knob 6 For a delayed sweep display that will exhibit less jitter set the B Trigger SOURCE switch to the same position as the A Trigger SOURCE switch and adjust the B Trigger LEVEL control for a stable display If the A Trigge...

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Page 21: ... values and relationships Digital Logic Digital logic techniques are used to perform many functions within this instrument The function and opera tion of the logic circuits are described using logic sym bology and terminology All logic functions are described using the positive logic convention Positive logic is a system of notation where the more positive of two levels HI is called the true or 1 ...

Page 22: ...signal connected to the external trigger input connectors or a sample of the line voltage applied to the instrument Each trigger circuit contains separate level slope coupling and source controls There are three sweep generator circuits in the 475 For purposes of explanation they are called Delaying Slow Non Delaying and Fast Non Delaying The Delaying Sweep generates a range of sweep rates from 0 ...

Page 23: ...on Diagram 1 at the rear of this manual Input Coupling Signals applied to the input connector can be AC coupled DC coupled or internally disconnected from the input to the Vertical Input Amplifier circuit When Input Coupling switch S20A is set for DC coupling the input signal is coupled directly to the Input Attenuator stage When AC coupled the input signal passes through capacitor CIO This capaci...

Page 24: ...the variable function provide a variable attenuation ratio of approximately 2 5 to 1 The Channel 1 Variable Balance adjustment R110 adjusts for no trace shift in the display when rotating the VAR control The Channel 1 UNCAL light indicates when the Channel 1 VAR control is out of its calibrated detent The components connected between pins 2 and 3 of U120 provide high frequency compensation for the...

Page 25: ... The INVERT switch when pushed changes the biasing on the output transistors of U220 so that the normally inactive transistors are now carrying the signal Since their outputs are cross coupled from side to side the output signal is of opposite polarity to that available in the normal button out position of the INVERT switch The Channel 2 Invert Balance adjustment R215 adjusts the DC balance of the...

Page 26: ...e levels applied to the clear pins 1 and 13 and preset pins 4 and 10 inputs In the ALT mode of operation the flip flops are switched by the alternate trace sync pulse applied to their clock inputs through Q338 and U330B In the CHOP mode the clock pulse generated by U330C and U330D switch the flip flops at a one megahertz rate Two Megahertz Clock U330C and U330D form an astable multivibrator having...

Page 27: ...s Q314 off through the divider R313 R314 the X10 display factor bulb is on and the X I display factor bulb is off VERTICAL OUTPUT AMPLIFIER General The Vertical Output Amplifier provides the final amplifi cation for the vertical deflection signal This circuit includes the BEAM FIND function The BEAM FIND pushbutton when pressed compresses an overscan display to within the CRT viewing area A schema...

Page 28: ...uation In the HF REJ mode of trigger coupling the high frequency com ponents of the trigger signal above about 50 kHz are attenuated while the lower frequency components be tween about 60 Hz and 50 kHz are passed without attenuation The DC mode of trigger coupling passes unattenuated all signals from DC to 200 MHz and above Input Source Follower Transistor Q522 is an FET source follower It provide...

Page 29: ...urce voltage for Q662 and Q672 is switched on and off by the TRIG VIEW push button With the TRIG VIEW pushbutton not pushed the emitters of Q662 and Q672 are returned to ground through R665 This reverse biases the base emitter junctions of the transistors preventing any loading of the A Trigger Gen erator circuit When the TRIG VIEW pushbutton is pushed the emitters are now returned to 15 volts thr...

Page 30: ...d to this terminal disables all sweep action Pin 19 Auto mode terminal Grounding this terminal enables auto sweep operation Pin 20 Input terminal for positive voltage supply Main Gate Comparator Q572 and Q574 form the Main Gate Comparator and are connected as a voltage comparator where both transistors do not conduct at the same time The input signal to the stage is the positive going trigger sign...

Page 31: ...nd causes Q796 to turn on The circuit remains in this state until the Delaying Sweep Generator ends its sweep and resets the Delay Pickoff Comparator In the B ENDS A position of the A TRIG HOLDOFF control 5 volts is connected to R798 This enables the diode gate composed of CR799 and CR592 Now when the end of sweep pulse signals the end of a delayed sweep the positive movement at the collector of Q...

Page 32: ...e is selected by the A TIM E D IV switch Main Gate Amplifier Q902 is the Main Gate Amplifier stage The negative going Main Gate waveform from the Sweep Logic circuit is applied to the base of Q902 The amplified and inverted waveform at the collector of Q902 is applied to the Delaying Sweep Generator through CR903 or to both of the Non Delaying Sweep Generators through Q992 This initiates sweep gen...

Page 33: ...sed to the Horizontal Amplifier Logic Comparator Q944 and Q946 are connected as a voltage comparator and generate the logic pulses that signal the end of sweep and blank the CRT display at the end of the sweep Prior to the generation of a sawtooth voltage waveform by the Delaying Sweep Generator the base of Q944 is at an approximate 1 6 volt level The base of Q946 is held at about 3 volts by the d...

Page 34: ...ng points for the sweeps The slow generator Q974 Q980 Q984 Q988 and Q972 has an additional emitter follower Q972 This emitter follower increases the current gain of the loop to speed up the retrace time of the generator determined by the time required to discharge the timing capacitor Mixed Mode Operation Normally Q1086 is an emitter follower with a fixed DC level at its base established by R1094 ...

Page 35: ... and Q 1134 so that a center screen display does not change position when the X10 Magnifier is turned on Q1114 is a current source that is an interruptable path for the horizontal positioning currents When the T IM E DIV switch is in any position other than X Y the anodes of CR1103 CR1104 and CR 1111 are connected to 8 volts through R1104 which reverse biases them In the X Y position of the TIM E ...

Page 36: ...WER switch S I401 Thermal Cutout S1402 Line Voltage Selector switch S1403 and the Regulating Range Selector Line Voltage Selector switch S1403 connects the split primaries of T1400 in parallel for 115 volt nominal operation or in series for 230 volt nominal operation Line Fuse F1401 should be changed for each nominal line voltage current rating of fuse for 230 volt operation is one half the curren...

Page 37: ...Circuit Description 475 1 1 0 S E R IE S Fig 3 8 Detailed block diagram of the Power Supply 3 17 ...

Page 38: ...e this positive going change is applied to the base of Q1306 Q1306 conducts harder which in turn causes Q1308 and Q1316 to conduct harder This results in greater bias current to the base of Q1318 through the feedback winding of T1320 Now Q1318 is biased closer to its conduction level so that it comes into conduction sooner to produce a larger induced voltage in the secondary of T1320 This increase...

Page 39: ...ck resistance of the amplifier CRT Control Circuits Focus of the CRT display is controlled by FOCUS control R1380 ASTIG adjustment R1397 which is used in conjunction with the FOCUS control to provide a well defined display varies the positive level on the astigmatism grid Geometry adjustment R1390 varies the positive level on the horizontal deflection plate shields to control the overall geometry ...

Page 40: ...2 The multivibrator symmetry is set by R1502 and R1504 Q1502 and Q1504 alternately conduct pro ducing a square wave signal that is taken from the collector of Q1504 Output Amplifier The output signal from the Multivibrator overdrives Output Amplifier Q1512 to produce a square wave at the output When the base of Q1512 goes positive Q1512 is cut off and the collector level drops down to ground When ...

Page 41: ...ned as often as opera ting conditions require Accumulation of dirt in the instrument can cause overheating and component break down Dirt on components acts as an insulating blanket and prevents efficient heat dissipation It also provides an electrical conduction path which can result in instrument failure The cabinet provides protection against dust in the interior of the instrument Operation with...

Page 42: ...re air Remove any dirt that remains with a soft paint brush or a cloth dampened with a mild detergent and water solution A cotton tipped applicator is useful for cleaning in narrow spaces or for cleaning circuit boards Lubrication The fan motor and most of the potentiometers used in the 475 are permanently sealed and generally do not require periodic lubrication The switches used in the 475 both c...

Page 43: ...ed applications of heat to circuit board connections Use only isopropyl alcohol when cleaning this circuit board When soldering to the ceramic strips in the instrument a slightly larger soldering iron can be used It is recommended that a solder containing about 3 silver be used when soldering to these strips to avoid destroying the bond to the ceramic material This bond can be broken by repeated u...

Page 44: ...e Vertical Mode Switch circuit board 8 Remove the four nuts that secure the attenuator assemblies to the front casting 9 Remove the Vertical Mode Switch circuit board from the instrument To reinstall the Vertical Mode Switch circuit board reverse the order of the removal steps To align the VERT MODE switch pushbuttons hold the assembly in place with a slight forward pressure and use a small tool t...

Page 45: ...rigger Board 6 Remove the transformer leads from the Regulating Range Selector Assembly It will be necessary to use a special pin removing tool available under TEKTRONIX Part Number 003 0707 00 It is only necessary to use this tool to remove the transformer leads from the Selector Assembly The leads may be reinstalled by simply pushing them into place Note wire color codes to facilitate correct re...

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Page 47: ...CK part of the step is not met If readjustment is necessary also check the calibration of any steps listed in the INTERACTION part of the step TEST EQUIPMENT REQUIRED General The following test equipment and accessories or its equivalent is required for complete calibration of the 475 Specifications given for the test equipment are the mini mum necessary for accurate calibration Therefore some of ...

Page 48: ...rtical deflection system checks Trigger View deflec tion factor adjustment X Gain adjustment a Tektronix calibration fix t u r e P a r t N u m b e r 067 0502 01 6 High Frequency Con stant Am plitude Signal Generator Frequency 65 megahertz to above 200 megahertz refer ence frequency three mega h ertz output amplitude variable from 0 5 volt to 4 volts amplitude accuracy within 1 Vertical system band...

Page 49: ...fier fre quency response adjustment a Tektronix calibration fix t u r e P a r t N u m b e r 067 0676 00 13 Signal Pickoff Connectors GR874 thru signal connectors and BNC signal pickoff connector Trigger system checks and ad justments a Tektronix Part Number 017 0061 00 14 Cable Impedance 50 ohms type RG 213 electrical length five nanoseconds connectors GR874 Used fo r signal inter connection a Tek...

Page 50: ...r signal inter connection a Tektronix calibration fix t u r e P a r t N u m b e r 067 0525 00 26 Screwdriver1 Three inch shaft 3 32 inch bit Used throughout procedure to adjust variable resistors a Tektronix Part Number 003 0192 00 2 7 Low Capacitance Screwdriver1 1 1 2 inch shaft Used throughout procedure to adjust variable capacitors a Tektronix Part Number 003 0000 00 PRELIMINARY CONTROL SETTIN...

Page 51: ...Accuracy 9 Check Channel 1 and 2 Variable Volts Page 5 8 Division Range 10 Check Alternate Mode Operation Page 5 8 11 Check Chop Mode Operation Page 5 8 12 Check Vertical Amplifier Bandwidth Page 5 8 13 Check Cascaded Bandwidth Page 5 9 TRIGGER SYSTEM CHECK 14 Check A Triggering Page 5 9 15 Check B Triggering Page 5 10 16 Check A Normal Mode Operation Page 5 10 17 Check Single Sweep Operation Page...

Page 52: ...viewing area c CHECK That the CH 2 UNCAL light comes on when the VAR control is out of the detent position d Release the BEAM FIND button d CHECK CRT display for 2 divisions or less of vertical trace shift when rotating the CH 2 VAR control through its range 2 Check Channel 1 and 2 Gain Switch Balance e Set the VERT MODE switch to CH 1 a Set both VO LTS DIV switches to 2 mV and both AC GND DC swit...

Page 53: ...tude Calibrator for a 20 mV square wave output c CHECK CRT display for 4 divisions of deflection within 0 12 division d Set the VERT MODE switch to CH 2 e CHECK CRT display for 4 divisions of deflection within 0 12 division 7 Check Add Mode Operation a Set both AC GND DC switches to DC b Adjust the Standard Amplitude Calibrator for a 10 mV output c Set the VERT MODE switch to ADD d CHECK CRT displ...

Page 54: ...ions apart c CHECK That the sweeps alternate in all settings of the T IM E D IV switch except X Y 11 Check Chop Mode Operation a Set the A T IM E D IV switch to 1 jus the A SOURCE switch to NORM and the VERT MODE switch to CHOP e CHECK CRT display for complete blanking of switching transients between chopped segments see Fig 5 1 12 Check Vertical Amplifier Bandwidth a Set the TRIG MODE switch to A...

Page 55: ...or Type 191 7 18 inch 50 ft BNC Cable A X f l A A It1 A A 8 X I0 BNC Attenuator 3 50 2 Signal Pickoff Unit Type CT 3 9 X2 BNC Attenuator 4 50 2 5 nanosecond GR Cable 10 50 2 BNC Termination two 5 GR to BNC female Adapter 11 Dual Input Coupler two Control Settings Preset instrument controls to the settings given under Preliminary Control Settings except as follows 18 inch 50 2 BNC cable a 50 2 BNC ...

Page 56: ...ch k CHECK That a stable display can be obtained by adjusting the LEVEL controls in both slopes of the displayed waveform in the AC and DC positions of the B COUPLING switch o Replace the X2 BNC attenuator and set the A SOURCE switch to EXT r 10 1 Remove the X2 BNC attenuator from the External Trigger test setup p Remove the X I0 BNC attenuator from the External Trigger test setup q CHECK Repeat s...

Page 57: ...d Amplitude Calibrator for a 200 mV square wave output f CHECK READY light comes on when SINGL SWP button is pressed and remains on until the test signal is re applied d Push the TRIG VIEW button and hold it in g Reconnect the test signal to the CH 1 input e CHECK For 3 2 to 4 8 divisions of display h CHECK READY light is extinguished f Release the TRIG VIEW button i Press the SINGL SWP button g D...

Page 58: ...1 1 3 0 02 is 10 ns 2 1 3 0 05 ju s 50 ns 1 1 3 0 1 ju s 0 1 M s 1 1 3 0 2 ju s 0 1 M s 2 1 3 0 5 ju s 0 5 M s 1 1 3 1M s 1M s 1 1 3 2 ms 1M s 2 1 3 5 ms 5 m s 1 1 3 10 ms 10 ms 1 1 3 20 ms 10 ms 2 1 3 50 ms 50 ms 1 1 3 0 1 ms 0 1 ms 1 i 3 0 2 ms 0 1 ms 2 1 3 0 5 ms 0 5 ms 1 1 3 1 ms 1 ms 1 1 3 2 ms 1 ms 2 1 3 5 ms 5 ms 1 1 3 10 ms 10 ms 1 2 3 20 ms 10 ms 2 2 3 50 ms 50 ms 1 2 3 0 1 s 0 1 s 1 2 3 ...

Page 59: ...gnal generator for an eight division horizontal display of 50 kilohertz signal SOURCE switch to STARTS AFTER DELAY and the DELAY TIME POSITION dial fully clockwise d Center the display vertically and horizontally with the CH 1 and CH 2 POSITION controls b Select 1 ms time marks from the Time Mark Generator e CHECK CRT display for an opening at the center horizontal line of 0 14 division or less c ...

Page 60: ...ernal adjustments are initial capitalized only e g Grid Bias POWER SUPPLIES and DISPLAY CALIBRATION 1 Low Voltage Power Supplies a A D JU S T 50 V supply R1430 0 5 b Check 110 V supply 3 c Check 15 V supply 1 5 d Check 5 V supply 1 5 e Check 15 V supply 1 5 f Check 8 V supply 1 5 g Check ripple on supplies except 110V supply is 2 mV P P maximum 110V supply ripple is I V P P maximum h Check regulat...

Page 61: ...e to CH 1 input 7 Adjust Vertical Output Bias b Check that the left light goes out and the right comes on a Connect a 200 MHz sine wave to CH 1 from the High Frequency Constant Amplitude Signal Generator 067 0532 01 c Repeat for CH 2 b ADJUST Output Bias R488 for maximum signal deflection 13 Check CH 1 and 2 AC GND DC Switches 14 Adjust CH 2 Switch Balance 8 Adjust Vertical Shield Volts a Vertical...

Page 62: ... VO LTS DIV to 5 mV b Connect 20 mV signal from Standard Amplitude Calibrator to CH 2 input c ADJUST CH 2 5 mV Gain R265 for 4 divisions deflection within 3 d CH 2 VO LTS DIV to 2 mV test signal to 10 mV 5 16 e ADJUST CH 2 2 mV Gain R225 for 5 divisions deflection within 3 f Check all attenuator ranges for proper deflection within 3 g Check Variable Range CH 2 VAR control must reduce a 5 division ...

Page 63: ... signal h ADJUST R239 R475 C471 and C477 for no more than 4 aberrations i Disconnect Square Wave Generator Calibration 475 j Connect output of Fast Rise High Amplitude Pulse Generator Type 109 to the CH 1 input k Adjust for 5 divisions of deflection I ADJUST C l75 R175 C133 R133 Cl 12 and R112 for no more than 4 aberrations m Move test signal to CH 2 n ADJUST C275 R275 C233 R233 C212 and R212 for ...

Page 64: ...NORM T IM E D IV to 10ms b Position a 2 division display of 350 kHz signal to the center horizontal line c ADJUST B Trigger Symmetry R547 so trigger point is the same in both slopes d ADJUST B Trigger Center R543 for a triggering point at graticule center e ADJUST A Trigger Symmetry R767 so triggering point is the same in both slopes f ADJUST A Trigger Center R754 for triggering point at graticule...

Page 65: ...y time 35 Check External LEVEL Range a E X T at least 2 V 4 V P P for both A and B b EXT T 10 at least 20 V 40 V P P for A only 36 Adjust TRIG VIEW a ADJUST Trigger View Centering R673 so trace is at center horizontal line within 1 division b Connect 200 mV square wave signal from Standard Amplitude Calibrator to A External Trigger input c Check for 3 2 to 4 8 divisions of display with TRIG VIEW i...

Page 66: ... within 1 from 20 C to 30 C 1 time marker division within 3 from 1 5 C to 55 C d HORIZ DISPLAY to A INTEN B T IM E D IV to 0 01 Ms e ADJUST C l023 for 1 time marker division within 1 from 20 C to 30 C 1 time marker division within 3 from 1 5 C to 55 C 44 Adjust 0 1 ms Timing a DELAY TIM E POSITION to 1 00 HORIZ DISPLAY to A INTEN B T IM E D IV to 0 1 Ms b Use 0 1 Ms time markers c ADJUST Cl 025 fo...

Page 67: ...thin 2 from 20 C to 30 C or 4 from 75 C to 56 C proceed to step 47 If timing is within given tolerance proceed to step 48 48 Check A and B Timing Accuracy a From 0 01 ms to 5 ms at 20 C to 30 C accuracy is 1 47 Adjust High Speed Timing Current Probe Method a A T IM E D IV to 0 0 5 ms b From 10 ms to 0 5 s at 20 C to 30 C accuracy is 2 X I0 MAG pushed in b Use 5 nanosecond time markers and 0 1 Ms t...

Page 68: ...X Y Phasing and Bandwidth a Connect an 8 division display of 50 kHz signal from Medium Frequency Constant Amplitude Signal Generator to the CH 1 and 2 inputs b Check X Y phase shift is no more than 0 14 division c Increase output frequency of signal generator to 2 MHz d Check X Y phase shift is no more than 0 42 division e ADJUST L1103 for minimum phase shift f Check bandwidth is at least 3 MHz 56...

Page 69: ...ion Page 5 29 14 Check Channel 1 Variable Volts Division Balance Page 5 29 15 Adjust Channel 1 Gain Switch Balance Page 5 30 16 Check Probe Indicator Lights Page 5 30 17 Check AC GND DC Switches Page 5 30 18 Adjust Channel 1 Position Centering Page 5 31 19 Adjust Channel 2 Variable Volts Division Balance Page 5 31 20 Adjust Channel 2 Gain Switch Balance Page 5 31 21 Check Channel 2 INVERT Balance ...

Page 70: ...acy Page 5 50 64 Adjust Horizontal Amplifier Gain Page 5 50 65 Adjust Magnifier Registration Page 5 51 66 Check VAR T IM E D IV Range Page 5 51 67 Check Horizontal POSITION Control Range Page 5 51 68 Adjust 10 Microsecond Timing Page 5 51 69 Adjust 0 1 Microsecond Timing Page 5 52 70 Adjust Horizontal Output Centering Page 5 52 71 Adjust High Speed Timing Visual Method Page 5 53 72 Adjust High Spe...

Page 71: ... given under Preliminary Control Settings 1 Check Power Supply DC Levels and Ripple a Connect the Precision DC Voltmeter between test point 50 V and GND negative meter lead to ground on the main interface board See Fig 5 2 c ADJUST 50 volt supply adjustment R1430 see Fig 5 2 for a meter reading of 50 volts within 0 1 or 50 mV d Using the Precision DC Voltmeter measure the low voltage power supplie...

Page 72: ...ettings Preset instrument controls to the settings given under Preliminary Control Settings except as follows INTENSITY Fully Counterclockwise TRIG MODE NORM 3 Adjust CRT Grid Bias a Connect the DC Voltmeter between TP1364 and ground Negative meter lead to ground See Fig 5 3 b Set the INTENSITY control for a meter reading of 15 volts c CHECK CRT display for the dimmest well defined dot d ADJUST CR...

Page 73: ...ks from the Time Mark Generator Type 2901 to the CH 1 input via a 42 inch 50 2 BNC cable and a 50 12 BNC termination Calibration 475 b Set the CH 1 AC GND DC switch to DC and the CH 1 VO LTS DIV switch to 0 1 V c Adjust the A LEVEL control for a stable display the ASTIG and FOCUS controls for a well defined display d Adjust the VAR T IM E D IV control for 1 time marker division e CHECK For no more...

Page 74: ...itude Signal Generator 14 18 inch 50 2 BNC Cable 067 0532 01 15 X I0 BNC Attenuator 4 Medium Frequency Constant Amplitude Signal Genera tor Type 191 16 X I0 GR Attenuator two 5 Fast Rise High Amplitude Pulse Generator Type 109 17 X5 GR Attenuator 6 Square Wave Generator Type 106 18 50 2 BNC Termination two 7 Precision DC Voltmeter 19 GR 50 2 Termination 8 X I0 Probe two 20 20 Picofarad Normal izer...

Page 75: ...ON control b CHECK Precision DC Voltmeter for a reading of 0 volts c ADJUST Delay Line Driver Centering adjustment R385 see Fig 5 7 for a reading of 0 volts at both ends of the delay line d Remove the Precision DC Voltmeter connections 13 Check BEAM FIND Operation a Position the trace off screen with the CH 1 POSITION and horizontal POSITION controls b Push the BEAM FIND pushbutton and hold it in ...

Page 76: ...ght under 5 mV setting is extinguished and the light under 50 mV setting turns on Fig 5 8 Location of CH 1 Var Voits Div Balance and Gain Switch Balance adjustments d Set the VERT MODE switch to CH 2 e Move the X I0 probe to the CH 2 input f CHECK Light under 5 mV setting is extinguished and the light under 50 mV setting turns on g Remove the X I0 probe 17 Check AC GND DC Switches a Set both AC GN...

Page 77: ...UST CH 2 Variable Balance adjustment R210 see Fig 5 10 for minimum trace shift when rotating the CH 2 VAR control through its range Fig 5 9 Location of CH 1 Position Centering adjustment e Return the CH 2 VAR control to the detent position 20 Adjust CH 2 Gain Switch Balance a Set the CH 2 VO LTS DIV switch to 2 mV b Position the trace to the center horizontal line c CHECK CRT display for minimum t...

Page 78: ...h VO LTS DIV switches to 5 mV e Connect two X I0 probes from the Test Oscilloscope to the preamp side of the delay line Fig 5 11 Location of CH 2 Position Centering adjustment f CHECK The Test Oscilloscope for a 200 mV peak to peak signal g ADJUST CH 1 5 mV Gain adjustment R165 see Fig 5 12 for a 200 mV peak to peak display on the Test Oscilloscope NOTE 200 m V value is dependent on the CRT sensit...

Page 79: ...en in Table 5 6 Deflection factor accuracy to be within 3 in all switch positions Standard Vertical Maximum VO LTS DIV Amplitude Deflection Error Switch Calibrator in for 3 Setting Output Divisions Accuracy 2 mV 10 mV 5 Previously set 5 mV 20 mV 4 Previously set 10 mV 50 mV 5 0 15 div 20 mV 0 1 V 5 0 15 div 50 mV 0 2 V 4 0 12 div 0 1 V 0 5 V 5 0 15 div 0 2 V 1 V 5 0 15 div 0 5 V 2 V 4 0 12 div 1 V...

Page 80: ...sion or expansion e Position the bottom of the display to the bottom graticule line f CHECK CRT display for 0 1 division or less of compression or expansion g Return the CH 1 VAR control to the detent position h Disconnect the test setup 5 34 28 Check ALT Mode Operation a Set the VERT MODE switch to ALT and the A LEVEL control fully clockwise b Position the two traces 2 divisions apart c CHECK Tha...

Page 81: ... minimum aberrations C466 and R466 for flat response over the first 5 ns C470 and R470 for flat response over the first 15 ns R450 should be adjusted as far counterclockwise as possible j INTERACTION Between all adjustments in this step Re adjust for best flat top response Fig 5 16 Location of vertical output high frequency adjustments k Disconnect the test setup and reconnect the Delay Line to th...

Page 82: ... ns from the leading edge C l33 and R133 affect aberrations 2 ns from the leading edge Cl 12 and R112 affect the front corner aberrations v Move the test signal to the CH 2 input w Set the VERT MODE switch to CH 2 and adjust the Pulse Generator for five divisions of deflection x CHECK Repeat step 31 d y ADJUST C275 R275 C233 R233 C212 and R212 see Fig 5 17 with a low capacitance screwdriver for th...

Page 83: ...s C32 and C33 Re adjust both for optimum response u Turn the CH 2 VOLTS DIV switch to 0 1 V v CHECK Repeat step 32 d w Turn the CH 2 VOLTS DIV switch to 0 2 V x CHECK Repeat step 32 d y Turn the CH 2 VOLTS DIV switch to 0 5 V z CHECK Repeat step 32 d aa ADJUST Channel 2 s C30 and C31 see Fig 5 19 with a low capacitance screwdriver for best corner and flat top waveform ab INTERACTION Between Channe...

Page 84: ...ig 5 19 with a low capacitance screwdriver for best corner and flat top waveform aa INTERACTIO N Between Channel 1 s C30 and C31 Re adjust both for optimum response ab Repeat step 33 d for 1 V 2 V and 5 V positions of the CH 1 VO LTS DIV switch ac Disconnect the test setup 34 Check Vertical Amplifier Bandwidth a Connect the output of the High Frequency Constant Amplitude Signal Generator 067 0532 ...

Page 85: ...o BNC adapter 42 inch 50 12 BNC cable X I0 BNC attenuator 50 12 BNC termination and a dual input coupler c Adjust the Medium Frequency signal generator for a 4 division display of a 50 MHz signal d Set both VO LTS DIV switches to 20 mV and the VERT MODE switch to CH 1 e CHECK CRT display for no more than 0 2 division of deflection f Set the CH 2 AC GND DC switch to GND the CH 1 AC GND DC switch to...

Page 86: ... the A and B External Trigger inputs via a 50 2 5 ns GR cable 50 2 Signal Pickoff Unit Type CT 3 thru output GR to BNC adapter X10 BNC attenuator 50 2 BNC termination and a dual input coupler b Connect the 10 BNC output connector of the Signal Pickoff Unit to the CH 1 and CH 2 inputs via an 18 inch 50 2 BNC cable a 50 2 BNC termination and a dual input coupler c Adjust the Medium Frequency signal ...

Page 87: ...AY switch to A and the A SOURCE switch to NORM b CHECK CRT display begins at the same vertical point in both slopes of the displayed waveform c AD JU S T A Trigger Symmetry adjustment R547 see Fig 5 20 so that the trace begins at the same point in both slopes of the displayed waveform d ADJUST A Trigger Centering adjustment R534 see Fig 5 20 for the trigger point of the display to be at the gratic...

Page 88: ... k CHECK Repeat step 44 i d Adjust the CH 1 VO LTS DIV switch to obtain a 0 3 division display 45 Check A Internal 40 Megahertz Triggering a Set the HORIZ DISPLAY switch to A e Position the display to the vertical center of the graticule viewing area f CHECK That a stable display can be obtained on both slopes of the displayed waveform in the NORM and b Adjust the Medium Frequency signal generator...

Page 89: ...BNC attenuator to the test setup k CHECK Repeat step 46 d 47 Check B External 40 Megahertz Triggering a Set the HORIZ DISPLAY switch to B DLY D the B SOURCE switch to EXT and the A SOURCE switch to NORM b Adjust the Medium Frequency signal generator for a five division display c CHECK A stable display can be obtained by adjusting the LEVEL controls on both slopes of the displayed waveform in the A...

Page 90: ... slopes of the displayed waveform by adjusting both LEVEL controls in the LF REJ position of the B COUPLING switch 49 Check B Internal 200 Megahertz Triggering a Set the B SOURCE switch to NORM and both VOLTS DIV switches to 10 mV b Adjust the High Frequency Constant Amplitude Signal Generator 067 0532 01 for a 1 5 division display of a 200 megahertz signal c CHECK That a stable display with no mo...

Page 91: ...l generator to 1 megahertz h CHECK That a stable display cannot be obtained in the HF REJ position of the A COUPLING switch i Set the A SOURCE switch to EXT j CHECK That a stable display cannot be obtained in the HF REJ position of the A COUPLING switch k Reduce the Medium Frequency signal generator output frequency to 50 kilohertz I CHECK That a stable display can be obtained on both slopes of th...

Page 92: ...ing the LEVEL controls c CHECK That a stable display can be obtained on both slopes of the displayed waveform in the AC HF REJ and DC positions of the A COUPLING switch by adjusting the A LEVEL control f CHECK That a stable display cannot be obtained in the LF REJ position of the B COUPLING switch d CHECK That a stable display cannot be obtained in the LF REJ position of the A COUPLING switch g Se...

Page 93: ... k CHECK That the display can be triggered at any point along the negative slope of the displayed waveform in the AC HF REJ and DC positions of the A COUPLING switch when rotating the A LEVEL control throughout its range l CHECK Repeat step 54 e m Set the A SLOPE switch to n CHECK That the display can be triggered at any point along the positive slope of the displayed waveform in the AC HF REJ and...

Page 94: ... A the TRIG MODE switch to AUTO the A SOURCE switch to LINE the A COUPLING switch to AC and the A SLOPE switch to b Push the TRIG VIEW button and hold it in c CHECK CRT display is triggerable on the positive slope by rotating the A LEVEL control d Release the TRIG VIEW button 59 Check Automatic Recovery Time a Set the A T IM E D IV switch to 50 ms the A SLOPE switch to and the A SOURCE switch to N...

Page 95: ... Time Mark Generator Type 2901 9 Dual Input Coupler 4 Test Oscilloscope 10 Three inch Screwdriver 5 X I0 Probe 11 Low Capacitance Screwdriver Control Settings Preset instrument controls to the settings given under Preliminary Control Settings except as follows c A D JU ST Delay Start adjustment R938 see Fig 5 23 so the left side of the intensified zone starts on the leading edge of the second time...

Page 96: ...A Y TIME POSITION dial fora reading one division less within 0 01 division from 15 Cto 35 C one division less within 0 02 division from 15 C to 55 C than the reading noted in step 63 b e Rotate the DELAY TIM E POSITION dial to position each successive time marker to the beginning of the sweep f C H EC K D ELA Y TIM E POSITION dial for a reading of one division less within 0 01 division from 15 C t...

Page 97: ...Horizontal FINE control to midrange and the A TIM E D IV switch to 2 ms b Turn the horizontal POSITION control fully clock wise c CHECK Start of sweep is to the right of the center vertical graticule line d Turn the horizontal POSITION control fully counter clockwise e CHECK End of sweep is to the left of the center vertical graticule line f Rotate the horizontal FINE control g CHECK That the FINE...

Page 98: ...r 1 time marker division e Set the HORIZ DISPLAY switch to B DLY D and the B TIME DIV switch to 0 01 Ms f Adjust the DELAY TIME POSITION dial to position the time marker to the center vertical graticule line g Note the reading of the DELAY TIME POSITION dial for use in step 69 h h Turn the DELAY TIME POSITION dial 8 divisions higher than the reading in step 69 g i CHECK Time marker is at center ve...

Page 99: ...tep is intended only as a touch u p o f the timing adjustments If the adjustments are greatly misadjusted or major portions o f the circuitry have been replaced proceed with step 72 a Set the A TIME DIV switch to 0 05 jus the X I0 MAG button in the A SOURCE switch to EXT and the A COUPLING switch to LF REJ b Connect the output of the Time Mark Generator Type 2901 to the CH 1 input via a 42 inch 50...

Page 100: ...ent probe around the crossed horizontal deflection leads on the 475 see Fig 5 29 e Horizontally center the trace with the horizontal POSITION control f Set the Test Oscilloscope VOLTS DIV switch to 5 mV TIME DIV switch to 0 5 jus and the X10 MAG switch engaged g CHECK Test Oscilloscope for current waveform with approximately 16 mA amplitude h ADJUST See Fig 5 27 R1175 to midrange R1185 to midrange...

Page 101: ...d timing adjustments preset Calibration 475 v CHECK Timing error at 2 ns and 5 ns ranges N O TE I f 2 ns timing is long and 5 ns timing is short decrease C l 179 and increase C 1233 and or C1253 w INTERACTIO N R1175 and R1185 should be readjusted for best symmetry and flatness on the 1 ns and 2 ns ranges if Cl 179 Cl 233 Cl 253 or R1075 is re adjusted x Remove the current probe being sure not to s...

Page 102: ...given in Table 5 9 check that delayed sweep accuracy is within the given tolerance First set the DELAY TIME POSITION dial to 1 00 and rotate the dial until the sweep starts at the top of the second time marker Note the control setting then set the dial to 2 00 and rotate it slightly until the sweep starts at the top of the third time marker The error for intervals less then 1 dial division cannot ...

Page 103: ...sition the time marker near the center of the display area with the DELAY TIME POSITION dial c CHECK Jitter on the leading edge of the time marker does not exceed 1 division d Turn the DELAY TIME POSITION dial to 9 00 and adjust it so the time marker is displayed near the center of the display area e CHECK Jitter on the leading edge of the time marker does not exceed 1 division 78 Check Mixed Swee...

Page 104: ...the output frequency of the Medium Frequency signal generator to 2 megahertz g CHECK CRT display for an opening at the center horizontal line of 0 42 division or less h ADJUST L1103 see Fig 5 31 for maximum closing of the display i Remove the dual input coupler from the test setup j Reconnect the test signal to the CH 1 input k Adjust the signal generator for a 4 division horizontal display of 50 ...

Page 105: ...f Q1504 together see Fig 5 32 c CHECK For a meter reading of 0 3 volt within 3 mV d ADJUST Calibrator Amplitude adjustment R1515 see Fig 5 32 for 0 3 volt within 1 from 0 C to 40 C for 0 3 volt within 1 5 from 15 C to 55 C Fig 5 32 Location of Q1504 and Calibrator amplitude adjustment e Remove the Precision DC Voltmeter connections and the short between emitter and base of Q1504 84 Check A and B G...

Page 106: ... 191 to the CH 1 input and the EXT Z AXIS input on the rear panel via a GR to BNC adapter a BNC T connector and two 42 inch 50 2 BNC cables d Adjust the Medium Frequency signal generator for a 5 volt peak to peak 50 kilohertz signal e CHECK CRT display for noticeable intensity modu lation of the positive peaks f Disconnect the test setup 5 60 ...

Page 107: ... Paper metal cased etc EMT electrolytic metal tubular PT paper tubular W W wire wound F Fuse Y Crystal Tektronix Seriai Model No Ckt No _________ Part No Eff Disc____________ Description A S S E M B L I E S A1 670 2100 00 CH 1 A T T E N C i rcuit Board As s e m b l y A2 670 2100 00 CH 2 A T T E N C i rcuit Board Assem b l y A3 670 2240 00 V E R T PREAMP C i rcuit Board As s e m b l y A4 670 2243 0...

Page 108: ... 00 5 25 pF Var Cer C136 283 0213 00 300 pF Cer 100 V 5 C137 283 0178 00 0 1 uF Cer 100 V 80 20 C138 283 0177 00 1 uF Cer 25 V 80 20 C139 283 0268 00 0 015 uF Cer 50 V 10 C 1 4 2 1 C144 290 0534 00 1 uF E l e c t 35 V 20 C147 C15l C152 C153 283 0186 00 B010100 B029999 27 pF Cer 50 V 5 C153 281 0504 00 B030000 10 pF nominal v a l u e selected C157 290 0534 00 1 uF E l e c t 35 V 20 C158 283 0156 00...

Page 109: ...100 0 C320 283 0000 00 0 001 uF Cer 500 V 100 0 C329 283 0024 00 XB030000 0 1 uF Cer 30 V 80 20 C335 283 0632 00 B010100 B010274 87 pF Mica 100 V 1 C335 283 0677 00 B010275 82 pF Mica 500 V 1 C336 283 0632 00 B010100 B010274 87 pF Mica 100 V 1 C336 283 0677 00 B010275 82 pF Mica 500 V 1 C343 281 0549 00 68 pF Cer 500 V 10 C346 281 0543 00 270 pF Cer 500 V 10 C375 281 0544 00 5 6 pF Cer 500 V 10 C3...

Page 110: ...0546 00 330 pF Cer 500 V 10 C508 283 0081 00 0 1 uF Cer 25 V 80 20 C509 281 0508 00 12 pF cer 500 V 20 C510 281 0505 00 12 pF Cer 500 V 10 C 5 1 1 9 281 0572 00 6 8 pF cer 500 V 0 5 pF C 5 1 3 z C515 281 0523 00 100 pF cer 350 V 20 C516 283 0003 00 0 01 uF Cer 150 V 80 20 C517 281 0579 00 21 pF Cer 500 V 5 C519 290 0524 00 4 7 uF Elect 10 V 20 C520 281 0508 00 12 pF Cer 500 V 20 C521 283 0003 00 0...

Page 111: ... l e c t 10 V 20 6 8 uF Elect 20 33 uF E l e c t 10 V 20 4 7 uF E l e c t 10 V 20 1 uF E l e c t 35 V 20 33 uF Elect 10 V 20 4 7 pF Cer 500 V 0 5 pF 4 7 uF E l e c t 10 V 20 0 001 uF Cer 500 V 100 0 0 01 uF Cer 150 V 80 20 100 pF Cer 350 V 20 0 01 uF Cer 150 V 80 20 0 001 uF Cer 500 V 100 0 35 pF Cer 500 V 1 0 01 uF Cer 150 V 80 20 0 01 uF Cer 150 V 80 20 281 0629 00 33 pF Cer 600 V 5 281 0519 00 ...

Page 112: ...t 20 V 20 C811 281 0509 00 XB050000 15 pF Cer 500 V 10 C813 281 0509 00 XB 0 3 0 0 0 0 B049 9 9 9 X 15 pF Cer 500 V 10 C819 290 0524 00 4 7 uF Elect 10 V 20 C823 281 0523 00 XB050000 100 pF Cer 350 V 20 C824 281 0617 00 XB 0 3 0 0 0 0 15 pF Cer 200 V 10 C825 290 0524 00 4 7 uF Elect 10 V 20 C826 290 0523 00 2 2 uF E l e c t 20 V 20 C905 290 0523 00 2 2 uF Elect 20 V 20 C913 290 0527 00 15 uF E l e...

Page 113: ...00 0 C1124 283 0003 00 0 01 uF Cer 150 V 80 20 C1134 283 0003 00 0 01 uF Cer 150 V 80 20 C1140 283 0010 00 0 05 uF Cer 50 V C1152 283 0003 00 0 01 uF Cer 150 V 80 20 C1162 283 0003 00 0 01 uF Cer 150 V 80 20 C1171 281 0564 00 24 pF Cer 500 V 5 C1178 283 0631 00 95 pF nominal v a l u e selected C1179 281 0118 00 8 90 pF Var Mica C1187 283 0010 00 0 05 uF Cer 50 V C1201 283 0005 00 0 01 uF Cer 250 v...

Page 114: ...0 C1352 281 0064 00 0 25 1 5 pF Var Cer 600 V C1354 283 0005 00 0 01 uF Cer 250 V 100 0 C1358 283 0057 00 0 1 uF Cer 200 V 80 20 C1363 283 0057 00 0 1 uF Cer 200 V 80 20 C1366 281 0627 00 1 pF Cer 600 V C1371 285 1040 00 0 0012 uF Plastic 4000 V 10 C1372 285 1040 00 0 0012 uF Plastic 4000 V 10 C1373 283 0178 00 0 1 uF Cer 100 V 80 20 C1374 290 0164 00 1 uF E l e c t 150 V C1380 285 1040 00 0 0012 ...

Page 115: ...licon W C 7 pF 4 V PG1084 CR204 152 0323 00 Silicon SE365 CR205 152 0323 00 Silicon SE365 CR207 152 0141 02 Silicon 1N4152 CR270 152 0422 00 Silicon W C 7 pF 4 V PG1084 CR274 152 0422 00 Silicon W C 7 pF 4 V PG1084 CR290 152 0141 02 Silicon 1N4152 CR301 152 0141 02 Silicon 1N4152 CR306 152 0141 02 Silicon 1N4152 CR312 152 0141 02 Silicon 1N4152 CR322 152 0141 02 Silicon 1N4152 CR336 152 0141 02 Si...

Page 116: ...mA 25 pF selected from 1N3718 CR787 152 0141 02 Silicon 1N4152 CR788 152 0141 02 Silicon 1N4152 CR792 152 0141 02 Silicon 1N4152 CR793 152 0141 02 Silicon 1N4152 CR794 152 0141 02 Silicon 1N4152 CR795 152 0141 02 Silicon 1N4152 CR796 152 0141 02 Silicon 1N4152 CR797 152 0141 02 Silicon 1N4152 CR799 152 0141 02 Silicon 1N4152 CR801 152 0141 02 Silicon 1N4152 CR802 152 0141 02 Silicon 1N4152 CR806 1...

Page 117: ...R1037 152 0141 02 Silicon 1N4152 CR1044 152 0141 02 Silicon 1N4152 CR1046 151 0141 02 Silicon 1N4152 CR1049 152 0141 02 Silicon 1N4152 CR1052 152 0141 02 Silicon 1N4152 CR1054 152 0141 02 B010100 B049999 Silicon 1N4152 CR1054 152 0061 00 B050000 Silicon CD8393 or FDH2161 CR1056 152 0141 02 B010100 B049999 Silicon 1N4152 CR1056 152 0061 00 B050000 Silicon CD8393 or FDH2161 CR1058 152 0141 02 B01010...

Page 118: ...n TI60 or 1N647 CR1366 152 0141 02 Silicon 1N4152 CR1367 152 0107 00 Silicon TI60 or 1N647 CR1371 152 0061 00 Silicon CD8393 or F D H2161 CR1373 152 0061 00 Silicon CD8393 or FDH2161 CR1377 152 0242 00 Silicon selected from 1N486A CR1379 152 0242 00 Silicon selected from 1N486A C R H 12 152 0488 00 Silicon full wave bridge 1 5A 200 V CR1415 152 0107 00 Silicon TI60 or 1N647 CR1421 152 0141 02 Sili...

Page 119: ...m A DS1382 150 0002 00 Neon NE2 DS1383 150 0002 00 Neon NE2 DS1482 150 0129 00 I n c andescent 2112 6 3 V 200 m A DS1483 150 0129 00 Incan d e s c e n t 2112 6 3 V 200 m A DS1492 150 0130 00 Incandescent 5 V 60 m A FUSES F1318 159 0016 00 Cartridge 1 5A 3AG fast blo F1401 159 0016 00 Cartridge 1 5A 3AG fast blo CONNECTORS J10 131 0679 00 Receptacle electrical 3 contact BNC J50 131 0679 00 Receptac...

Page 120: ...ptacle e l e c t r i c a l BNC J1333 131 1003 00 Receptacle e l e c t r i c a l coaxial cable J1334 131 1003 00 Receptacle e l e c t r i c a l coaxial cable J1478 131 0771 00 Receptacle electrical 4 contact J1479 131 0771 00 Receptacle electrical 4 contact RELAY K1103 148 0076 00 Mag reed INDUCTORS Ll4ll L 1 4 2 1 L 1 4 7 1 L 1 4 8 1 L151 108 0743 00 52 nH L152 108 0743 00 52 nH L170 108 0440 00 8...

Page 121: ... 0507 00 B010100 B029 9 9 9 X Core ferramic suppressor L588 276 0507 00 XB030000 Core ferramic suppressor L600 120 0402 00 XB020000 Toroid 3 turnsi single L771 108 0433 00 0 09 uH L772 276 0528 00 Core ferramic suppressor L781 108 0433 00 0 09 uH L782 276 0528 00 Core ferramic suppressor L794 276 0507 00 Core ferramic suppressor L802 276 0507 00 XB050000 Core ferramic suppressor L804 276 0507 00 X...

Page 122: ...184 151 0188 00 Silicon PNP 2N3906 Q188 1 5 1 0 271 00 Silicon PNP SAB4113 Q272 151 0271 00 Silicon PNP SAB4113 Q278 151 0271 00 Silicon PNP SAB4 113 Q282 151 0271 00 Silicon PNP SAB4113 Q284 151 0188 00 Silicon PNP 2N3906 Q288 151 0271 00 Silicon PNP SAB4113 Q312 151 0301 00 Silicon PNP 2N2907 Q314 151 0301 00 Silicon PNP 2N2907 Q322 151 0301 00 Silicon PNP 2N2907 Q324 151 0301 00 Silicon PNP 2N2...

Page 123: ...Silicon PNP 2N3906 Q688 151 0223 00 B 0 10100 B 0 10161 Silicon NPN 2N4275 Q688 151 0367 00 B010162 Silicon NPN SKA6516 Q698 151 0223 00 B010100 B010161 Silicon NPN 2N4275 Q698 151 0367 00 B010162 Silicon NPN SKA6516 Q712 151 0367 00 Silicon NPN SKA6516 Q714 151 0367 00 Silicon NPN SKA651 6 Q716 151 0367 00 Silicon NPN SKA6516 Q742 151 1042 00 Silicon FET N channel selected from Q744J 2N5245 m a t...

Page 124: ...Silicon NPN 2N3904 or TE3904 151 1025 00 Silicon KE4416 JFET N channel similar to 151 0127 00 Silicon NPN selected from 2N2369 151 0188 00 Silicon PNP 2N3906 151 0188 00 Silicon PNP 2N3906 151 0199 00 Silicon PNP MPS3640 151 0347 00 Silicon NPN 2N5551 151 0367 00 Silicon NPN SKA6516 151 0347 00 Silicon NPN 2N5551 151 1025 00 Silicon KE4416 JFET N channel similar to 151 0127 00 Silicon NPN selected...

Page 125: ... Silicon PNP 2N3906 Q1352 151 0124 00 Silicon NPN selected from 2N3501 Q1354 151 0270 00 Silicon PNP selected from 2N3495 Q1358 151 0199 00 Silicon PNP MPS3 6 4 0 Q1362 151 0188 00 Silicon PNP 2N3906 Q1424 151 0347 00 Silicon NPN 2N5551 Q1426 151 0349 00 Silicon NPN SJE924 Q1432 151 0347 00 Silicon NPN 2N5551 Q1444 151 0302 00 Silicon NPN 2N2222A Q1446 151 0302 00 Silicon NPN 2N2222A Q1448 151 034...

Page 126: ...1 00 3 1 7 0474 00 315 0300 00 30 ohm k W 5 43 ohm k W 5 100 ohm h W 10 470K ohm 1 8 W 5 5 317 0391 00 315 0470 00 317 0332 00 317 0332 00 311 1228 00 315 0103 00 311 1259 00 317 0102 00 315 0151 00 390 ohm 1 8 W 5 47 ohm h W 5 B010100 B049999 3 3K ohm 1 8 W 5 B050000 3 3K ohm nominal value selected 10K ohm Var 10K ohm h W 5 100 ohm Var IK ohm 1 8 W 5 150 ohm h W 5 315 0300 00 315 0104 00 321 0239...

Page 127: ...R164 321 0147 00 332 ohm 1 8 W 1 R165 311 1225 00 IK ohm V a r R168 315 0222 00 2 2K ohm h W 5 R170 315 0152 00 B010100 B029999 1 5K ohm h W 5 R170 315 0122 00 B030000 1 2K ohm nominal value RT170 307 0181 00 1 0 OK ohm Thermal R171 315 0100 00 100 ohm h W 5 R172 315 0471 00 B010100 B010244 470 ohm h W 5 R172 315 0331 00 B010245 330 ohm h W 5 R17 3 321 0018 00 15 ohm 1 8 W 1 R174 315 0154 00 150K ...

Page 128: ...8 00 10K ohm Va r R211 315 0103 00 10K ohm h W 5 R212 311 1259 00 100 ohm Var R213 317 0102 00 IK ohm 1 8 W 5 R214 315 0151 00 150 ohm h W 5 R215 311 1268 00 10K ohm Var R216 315 0103 00 10K ohm h W 5 R217 321 0277 00 7 5K ohm 1 8 W 1 R218 321 0277 00 7 5K ohm 1 8 W 1 R219 315 0300 00 30 ohm h W 5 R220 315 0104 00 100K ohm w 5 R221 321 0307 00 1 5 4K ohm 1 8 W 1 R222 321 0253 00 4 22K ohm 1 8 W 1 ...

Page 129: ... 1 R264 321 0147 00 332 ohm 1 8 W 1 R265 311 1225 00 IK ohm Var R268 315 0222 00 2 2K ohm W 5 R270 315 0152 00 B010100 B029999 1 5K ohm h W 5 R270 315 0122 00 B030000 1 2K ohm nominal value RT270 307 0181 00 1 0 OK ohm Thermal R271 315 0100 00 100 ohm k W 5 R272 315 0471 00 B010100 B010244 470 ohm h W 5 R272 315 0331 00 B010245 330 ohm h W 5 R273 321 0018 00 15 ohm 1 8 W 1 R274 315 0154 00 150K oh...

Page 130: ... R301 321 0164 00 499 ohm 1 8 W 1 R302 321 0131 00 226 ohm 1 8 W 1 R304 315 0102 00 IK ohm k W 5 R306 315 0121 00 120 ohm k W 5 R310 315 0101 00 100 ohm k W 5 R311 315 0152 00 1 5K ohm k W 5 R312 315 0120 00 12 ohm k W 5 R313 315 0222 00 2 2K ohm k W 5 R314 316 0822 00 8 2K ohm k W 10 R316 315 0223 00 22K ohm k W 5 R320 315 0101 00 100 ohm k W 5 R321 315 0152 00 1 5K ohm k W 5 R322 315 0120 00 12 ...

Page 131: ... 5 R374 315 0470 00 47 ohm k W 5 R38 0 321 0078 00 63 4 ohm 1 8 W 1 R381 321 0078 00 63 4 ohm 1 8 W 1 R382 323 0130 00 221 ohm h W 1 R38 3 323 0130 00 221 ohm h W 1 R384 322 0107 00 127 ohm k W 1 R385 311 1221 00 50 ohm Var R388 315 0270 00 27 ohm W 5 R391 321 0154 00 392 ohm 1 8 W 1 R392 321 0124 00 B 0 10100 B010309 191 ohm 1 8 W 1 R392 321 0122 00 B010310 182 ohm 1 8 W 1 R393 315 0200 00 B 0 10...

Page 132: ...44 6 321 0136 00 255 ohm 1 8 W 1 R447 321 0249 00 B010100 B049999 3 83K ohm 1 8 W 1 R44 7 321 0239 00 B050000 3 01K ohm 1 8 W 1 R448 321 0193 00 IK ohm 1 8 W 1 R449 311 1238 00 5K ohm Var R450 311 1260 00 250 ohm Var R451 317 0101 00 100 ohm 1 8 W 1 R452 317 0200 00 20 ohm 1 8 W 5 RT452 307 0127 00 IK ohm Thermal R453 317 0200 00 20 ohm 1 8 W 5 R454 317 0681 00 680 ohm 1 8 W 5 R455 317 0102 00 IK ...

Page 133: ...2 ohm k W 1 322 0157 00 422 ohm k W 1 315 0560 00 56 ohm k W 5 315 0100 00 10 ohm k W 5 315 0301 00 300 ohm k W 5 311 1236 00 250 ohm Var 315 0911 00 910 ohm k W 5 301 0100 00 10 ohm k W 5 323 0134 00 243 ohm k W 1 323 0134 00 243 ohm k W 1 317 0621 00 620 ohm 1 8 W 5 323 0134 00 243 ohm k W 1 323 0134 00 243 ohm k W 1 307 0292 00 Thick film 307 0106 00 4 7 ohm k W 5 307 0106 00 4 7 ohm k W 5 315 ...

Page 134: ...538 316 0332 00 3 3K ohm k W 10 R541 316 0682 00 6 8K ohm k W 10 R542 316 0392 00 3 9K ohm k W 10 R543 316 0221 00 220 ohm k W 10 R544 315 0302 00 3K ohm k W 5 R545 315 0242 00 2 4K ohm k W 5 R546 316 0470 00 47 ohm k W 10 R547 311 1230 00 20K ohm Var R551 321 0082 00 69 8 ohm 1 8 W 1 R552 322 0283 00 8 66K ohm k W 1 R553 321 0082 00 69 8 ohm 1 8 W 1 R554 321 0059 00 40 2 ohm 1 8 W 1 R555 321 0185...

Page 135: ...3 00 XB010310 R611 321 0174 00 R612 321 0190 00 R613 315 0101 00 R622 307 0103 00 R626 315 0201 00 R627 315 0101 00 R628 321 0184 00 R629 321 0205 00 R641 321 0222 00 R642 321 0275 00 R644 311 1401 00 Furnished as a unit w i t h S644 Description 100 ohm k W 10 7 87K ohm 1 8 W 1 180 ohm h W 5 10 ohm k W 5 866 ohm 1 8 W 1 4 3K ohm W 5 150 ohm k W 5 3 57K ohm 1 8 W 1 499 ohm 1 8 W 1 200 ohm h W 5 22 ...

Page 136: ...78 321 0178 00 698 ohm 1 8 W 1 R67 9 316 0220 00 22 ohm k W 10 R68 0 321 0225 00 2 15K ohm 1 8 W 1 R681 321 0209 00 1 47K ohm 1 8 W 1 R682 315 0102 00 IK ohm k W 5 R68 3 315 0202 00 2K ohm k W 5 R684 321 0248 00 3 74K ohm 1 8 W 1 R685 321 0248 00 3 74K ohm 1 8 W 1 R68 6 321 0210 00 1 5K ohm 1 8 W 1 R687 321 0209 00 1 47K ohm 1 8 W 1 R688 321 0141 00 287 ohm 1 8 W 1 R68 9 315 0432 00 4 3K ohm k W 5...

Page 137: ...R75 9 321 0259 00 RT759 307 0124 00 R761 316 0682 00 R762 316 0392 00 R763 316 0221 00 R764 315 0302 00 R765 315 0242 00 R766 316 0470 00 R767 311 1230 00 R76 9 321 0279 00 R771 321 0082 00 1 Furni s h e d as a unit w i t h S750 Description 1 5K ohm k W 10 220 ohm k W 10 1 5K ohm k W 10 220 ohm k W 10 150 ohm k W 10 1 5K ohm k W 10 62 ohm k W 5 62 ohm k W 5 62 ohm k W 5 33 ohm W 10 750K ohm k W 5 ...

Page 138: ...ohm 1 8 W 1 R795 321 0225 00 2 15K ohm 1 8 W 1 R796 321 0227 00 2 26K ohm 1 8 W 1 R797 315 0101 00 100 ohm k W 5 R798 321 0249 00 3 83K ohm 1 8 W 1 R799 316 0102 00 XB 010 2 05 IK ohm h W 10 R801 315 0332 00 3 3K ohm k W 5 R802 315 0471 00 B010100 B010204 470 ohm k W 5 R8 02 315 0221 00 B010205 220 ohm k W 5 R803 307 0103 00 2 7 ohm k W 5 R804 321 0166 00 523 ohm 1 8 W 1 R805 321 0193 00 IK ohm 1 ...

Page 139: ... 5 R922 315 0821 00 820 ohm W 5 R923 316 0100 00 10 ohm k W 10 R924 301 0682 00 6 8K ohm W 5 R925 321 0218 00 1 82K ohm 1 8 W 1 R926 321 0193 00 IK ohm 1 8 W 1 R927 321 0238 00 2 94K ohm 1 8 W 1 R928 321 0193 00 IK ohm 1 8 W 1 R929 316 0123 00 12K ohm k W 10 R930 311 1458 00 5 OK ohm Var R931 316 0392 00 3 9K ohm k W 10 R932 316 0102 00 IK ohm k W 10 R933 321 0338 00 32 4K ohm 1 8 W 1 R934 321 019...

Page 140: ...00 390 ohm k W 5 321 0268 00 6 04K ohm 1 8 W 1 321 0354 00 4 7 5K ohm 1 8 W 1 315 0562 00 5 6K ohm k W 5 315 0182 00 1 8K ohm k W 316 0101 00 100 ohm k W 10 301 0682 00 6 8K ohm k W 5 316 0103 00 10K ohm k W 10 316 0332 00 3 3K ohm k W 10 315 0680 00 68 ohm k W 5 321 0225 00 2 15K ohm 1 8 W 1 321 0155 00 402 ohm 1 8 W 1 315 0221 00 220 ohm k W 5 315 0392 00 3 9K ohm k W 5 315 0332 00 3 3K ohm k W ...

Page 141: ...81 04 1M ohm 1 8 W 1 10 R1073 321 0976 04 602K ohm 1 8 W 1 10 R1074 321 0431 04 301K ohm 1 8 W 1 10 R1075 311 1246 00 50K ohm Var R1076 321 0973 04 6 0 2K ohm 1 8 W 1 10 R1077 321 0977 04 1 2 0 4K ohm 1 8 W 1 10 R1078 321 0973 04 6 0 2K ohm 1 8 W 1 10 R1079 321 0973 04 6 0 2K ohm 1 8 W 1 10 R1080 311 1246 00 XB010316 1M ohm Var R1081 316 0101 00 100 ohm k W 10 R1082 321 0973 04 6 0 2K ohm 1 8 W 1 ...

Page 142: ...47 ohm f e W 5 315 0561 00 560 ohm f e W 5 315 0622 00 6 2K ohm w 5 311 1411 00 IK o h m x 10K ohm Var 315 0560 00 56 ohm f e W 5 315 0201 00 200 ohm W 5 307 0124 00 5K ohm Thermal 315 0201 00 200 ohm f e W 5 321 0134 00 243 ohm 1 8 W 1 321 0108 00 130 ohm 1 8 W 1 321 0056 00 37 4 ohm 1 8 W 1 311 1230 00 20K ohm Var 315 0273 00 27K ohm W 5 315 0151 00 150 ohm h W 5 315 0271 00 270 ohm few 5 321 01...

Page 143: ... ohm 1 8 W 1 315 0102 00 IK ohm h W 5 315 0102 00 IK ohm k W 5 321 0218 00 1 82K ohm 1 8 VI 1 321 0234 00 2 67K ohm 1 8 W 1 321 0213 00 1 62K ohm 1 8 W 1 311 1007 00 B010100 B010274X 20 ohm Var 321 0121 00 178 ohm 1 8 W 1 315 0102 00 IK ohm h W 5 321 0218 00 1 82K ohm 1 8 W 1 321 0153 00 383 ohm 1 8 W 1 321 0260 00 4 99K ohm 1 8 W 1 315 0101 00 100 ohm h W 5 321 0385 00 100K ohm 1 8 W 1 321 0193 0...

Page 144: ...21 0174 00 634 ohm 1 8 W 1 R1340 321 0120 00 174 ohm 1 8 W 1 R1341 322 0197 00 1 1K ohm h W 1 R1342 315 0331 00 330 ohm h W 5 R1343 321 0322 00 2 2 IK ohm 1 8 W 1 R1344 316 0102 00 IK ohm h W 10 R1345 315 0390 00 B010100 B039999 39 ohm h W 5 R1345 315 0201 00 B040000 200 ohm h W 5 R1346 315 0682 00 6 8K ohm k W 5 R1349 315 0682 00 6 8K ohm h W 5 R1352 315 0911 00 XB040000 910 ohm h W 5 R1354 301 0...

Page 145: ...00 1 2K ohm h W 5 R14 25 315 0563 00 56K ohm h W 5 R1426 307 0052 00 3 ohm h W 5 R1430 311 1226 00 2 5K ohm Var R1431 321 0351 00 4 4 2K ohm 1 8 W R1432 321 0284 00 8 87K ohm 1 8 W R1444 321 0761 03 35K ohm 1 8 W R1445 321 0684 00 15K ohm 1 8 W h R1446 315 0471 00 470 ohm k W 5 R1447 315 0622 00 6 2K ohm h W 5 R1448 308 0245 00 0 6 ohm 2 W WW R1454 321 0775 03 45K ohm 1 8 W k R1455 321 0816 03 5K ...

Page 146: ...0 127 ohm 1 8 W 1 R1517 321 0001 00 10 ohm 1 8 W 1 R1691 303 0150 00 15 ohm 1 W 5 R1692 321 0062 00 43 2 ohm 1 8 W 1 R1693 323 0140 00 280 ohm h W 1 R1694 323 0140 00 280 ohm h W 1 R1695 321 0228 00 2 32K ohm 1 8 W 1 RT1696 307 0124 00 5K ohm Thermal R1697 321 0201 00 1 21K ohm 1 8 W 1 R1698 315 0363 00 36K ohm h W 5 SWITCHES S 2 0 A 2 105 0282 00 A c t u a t o r assembly Cam A C G N D D C S 2 0 B...

Page 147: ... R I G G E R SLOPE A c t u a t o r assembly A B TIME D I V D E L A Y TIME Pushbutton HORIZ D I SPLAY Push X10 MAG Toggle P O W E R Thermostatic open 75 deg C close 55 deg C Slide Toroid 3 turns bifilar Toroid 3 turns bifilar HV Power varnished HV Power molded LV Power Hybrid dual FET input amplifier Monolithic vert i c a l amplifier Hybrid dual FET input amplifier Monolithic v e r tical amplifier ...

Page 148: ... VR570 152 0217 00 S e l ected fr o m 1N756A 0 4 W 8 2 V 5 VR608 152 0278 00 1N4372A 0 4 W 3 V 5 VR647 152 0195 00 S e l ected fr o m 1N751A 0 4 W 5 1 V 5 VR796 1 5 2 0226 00 Selected fr o m 1N751A 0 4 w 5 1 V 5 VR798 152 0278 00 1N4372A 0 4 W 3 V 5 VR930 152 0265 00 1N970B 0 4 W 24 V 5 VR938 152 0304 00 1N968B 0 4 W 20 V 5 VR956 152 0278 00 1N4372A 0 4 W 3 V 5 VR1026 152 0278 00 1N4372A 0 4 W 3 V...

Page 149: ...refix letters are used as reference designators to identify components or assemblies on the diagrams A Assembly separable or repairable circuit board etc AT Attenuator fixed or variable B Motor BT Battery C Capacitor fixed or variable CR Diode signal or rectifier DL Delay line DS Indicating device lamp F Fuse FL Filter H Heat dissipating device heat sink heat radiator etc HR Heater J Connector sta...

Page 150: ...C H I pream CH Z PREAMP VEXTERNAL TR GGER INPUT CRT C IR C U IT 475 OSCILLOSCOPE SWEEP GENERATOR BLOCK DIAG RAM 1 15 73 JEN BLOCK D IA G R A M ...

Page 151: ...A B C D E F G Fig 7 4 P 0 A4 Vertical Mode Switch circuit board ...

Page 152: ...n m m m 1 t siumm c ii im ...

Page 153: ...5 7B R188 7B C112 11B C182 7B R119 11C R136 9A R157 9C R176 7C R189 6C Cl 13 11B Q172 7B R122 11C R137 9A R161 9C R177 7B C l 19 11B CR107 12C Q178 7C R123 12C R138 9A R162 9C R178 7C RT170 7C Cl 33 9B CR170 7B Q182 7B R124 11C R139 9A R163 9C R179 6D C136 9A CR174 7B Q184 8C R125 IOC R142 10B R164 9C R180 7A U120 11B Cl 37 9A Q188 7B R126 11C R143 10B R165 IOC R181 8C U140 9B C l 38 9A L151 8B R1...

Page 154: ...Diagrams 475 A B C D E F G ...

Page 155: ...GRID LOCATOR Fig 7 8 P O A3 Vertical Preamp circuit board ...

Page 156: ...E L282 7E Q272 7F Q278 7F Q282 7E Q284 8F Q288 6E R205 11G R210 12D R211 11E R212 H E R213 11E R214 12E R215 H D R216 H D R217 H F R218 HG R219 11F R221 11G R222 11G R223 12F R224 11F R225 10F R226 11F R227 11F R230 9D R231 9E R232 9E R233 9E R234 9E R235 9D R236 9E R237 9E R238 9D R239 9D R242 10E R243 10E R245 11F R249 9F R251 8E R252 8F R254 8E R255 8E R256 8F R257 8F R261 9F R262 9F R263 10F R...

Page 157: ...Diagrams 475 ...

Page 158: ...GRID LOCATOR 2 3 4 5 6 7 8 9 1 10 11 1 12 Fig 7 10 P 0 A3 Vertical Preamp circuit board ...

Page 159: ...384 3C R412 7E S375A 4D C346 4G CR351 4E L375 4D R336 2F R361 5E R385 2B R414 7D S375B 3C C347 5F CR352 4E L376 4C R338 2E R363 5E R388 3C R415 7D C375 4D CR359 4E L439 4B R339 2E R364 5E R391 3B R419 5B U330 2E C376 4C CR361 5E R341 2F R365 5E R392 3B R420 6B U340 4F C393 3B CR368 4E Q338 2E R342 2G R366 5E R393 3C R421 5B U350 5F C396 3B CR369 4E Q390 4B R343 4G R367 5E R394 4B R422 5A U370 6D C...

Page 160: ...Diagrams 475 GRID LOCATOR Fig 7 11 A5 Vertical Output circuit board ...

Page 161: ... 3B R479 4B R493 2C U470 3C C455 5A C494 3B R447 6C R458 6A R468 4D R480 2C R494 3B C460 5D C498 2A R448 6C R459 2A R469 3B R483 3D R495 3B VR462 4C C466 5B C499 2A R449 6C R460 5D R470 4C R484 3B R496 2B VR464 4B C470 4B R450 5B R461 5C R471 4A R485 2C R498 1A VR482 3B C471 4A L498 1A R451 6B R462 5C R474 3C R486 2C R499 1A C475 4A L499 IB R452 6B R463 4C R475 3A R487 1C C476 4B R453 5B R464 5B R...

Page 162: ...ED CIRCUIT BOARD S E LE C TE D VALUE V 9 4 R494 a 2o R493 R495 243 243 1 2 CRT V E R T IC A L DEFLECTION PLATES I5V R 4 8 7 300 R4S61 lo R468 250 nmr nnr W l_R49fc R44I 10 184 847 50V f Lc4 1 X 0 0 wv 1 UjUUL l U R496 243 A 5 VER T C A L O U T P U T B P A R D 4 7 5 O S C I L L O S C O P E VERTICAL OUTPUT AMPLIFIER V E R T IC A L OUTPUT A M P LIFIE R ...

Page 163: ...Diagrams 475 GRID LOCATOR Fig 7 12 P O A8 Trigger Generator And Sweep Logic circuit board ...

Page 164: ...79 4E R500 2C R522 5E R546 5C R579 4E R679 4F C517 3E P530 4C R501 3C R523 4D R547 6C R661 5D R701 2C C519 4E CR519 4D R502 2D R524 4D R551 6D R662 5E R702 2C C520 4C CR556 7D Q502 2C R503 3C R525 5E R552 6D R663 5E R703 3C C521 4E CR566 7C Q504 3C R504 3D R526 4D R553 6D R664 5E R704 3C C524 4D CR701 2C Q506 4C R505 3C R527 4D R554 6D R665 5E R705 4C C525 4E CR703 3C 0522 4D R506 4D R528 4C R555 ...

Page 165: ... ti u s view sus t o y b s o H o o o o m 30 7 m z m 30 H O 30 475 OSCILLOSCOPE A T R IG G E R G E N E R A T O R S 7Z ...

Page 166: ...B R765 6A R783 6B C715 4C C763 5B Q772 6B R722 2B R746 5B R766 6A R784 7B C717 3C C766 5A L771 6B Q776 7B R723 2B R748 5B R767 7A R785 7A C718 2C C771 6B L781 6B Q782 6B R731 5B R752 4A R771 6B R786 7B C719 3C C774 6B Q786 7B R735 3A R753 5B R772 6C R787 7B C722 2B C775 7C P750 5A R736 3B R754 6A R773 6B R789 7B C735 3B C776 7B R711 3C R737 4B R755 5A R774 6B C736 3B cm 6B Q712 3C R713 2C R738 4B ...

Page 167: ... 415 OSCILLOSCOPE B T R IG G E R G E N E R A T O R g B TR IG G E R GEN ER A TO R ...

Page 168: ...Diagrams 475 GRID LOCATOR ...

Page 169: ...8D CR689 10B J1 10E Q698 11C R593 10E R680 10D R798 10F R826 12B C683 11C CR693 10B J2 8E Q788 9C R594 10D R681 10D R799 8C C684 IOC CR694 11B J3 5E Q790 8C R595 10D R682 IOC R801 8E TP572 7D C693 12C CR699 11C J584 12A Q792 8C R596 10D R683 11C R802 9C TP588 8B C695 11C CR787 10B J694 11B Q794 8A R597 9D R684 IOC R803 9C TP802 7B C698 12B CR788 10B J824 12A Q796 8A R598 9D R685 10B R804 8D TP826 ...

Page 170: ...PARTIAL A 9 INTERFACE BOARD REAR PANEL pR O fAO O LL ai 4 pR O Mcoll a 415 OSCILLOSCOPE SWEEP H A X IS LO G IC sa e 8 2 1 7 2 SWEEP Z A X IS L O G IC ...

Page 171: ...1010 9G R924 12J R951 12G R1010 9G U930 131 Cl 009 8H CR1001 91 P2 8J 01014 9H R925 121 R953 11G R1011 8G C1010 9H CR1006 10H P3 10J 01018 9H R926 12J R955 7H R1015 8H VR930 121 Cl 033 10H CR1015 8H P930 131 Q 1022 8H R927 12J R956 7H R1016 11H VR938 12J C l 045 10H CR1017 91 01026 9G R928 12J R971 8J R1017 9H VR956 7G CR1018 9H Q902 91 Q1034 9H R929 121 R972 101 R1018 9H VR1026 7G CR903 111 CR102...

Page 172: ...SWEEP G E N ER A TO R S ...

Page 173: ...Diagrams 475 GRID LOCATOR 1 2 3 4 5 6 1 7 8 A B C D E C1071 C1082 ON UNDERSIDE OE BOARD Fig 7 16 P O A7 Timing circuit board ...

Page 174: ...C1081 6B CR1060 7D R1052 7b R1073 3D R1083 6D R1094 4D C l 052 7D C1083 5B CR1061 7E Q 1002 8D R1053 7C R1074 3D R1084 6D R1095 4D C l 054 7D Cl 085 5B CR1062 7D 01008 8E R1056 4B R1075 7 A R1085 6D R1096 5D C l 056 7D C1091 4D CR1075 7B Q1052 8D R1057 4B R1076 3D R1086 6D R1097 6D C l 058 7C C1093 7D CR1097 6B Q1054 7C R1058 4B R1077 3D R1087 6D C1059 3A Q1056 7D R1059 4A R1078 3D R1088 6D S1090 ...

Page 175: ...TIM IN G HORIZONTAL DISPLAY SWITCHING ...

Page 176: ...4 10E R1186 9D R1256 9D Cl 162 9E CR1103 12F L1251 8E Q 1212 8D R1121 11E R1155 10E R1187 8D R1257 9E C1171 9F CR1104 12F L1261 7D Q1214 8E R1122 11E R1156 10E R1188 8D R1258 8E Cl 178 9E CR1111 12F L1263 7D Q1233 8F R1124 10F R1159 10E R1189 8D R1259 9E C l 179 9E CR1121 11E L I 265 8C Q1234 8F R1125 10E R1162 9E R1201 8 F R1267 7F Cl 187 9D CR1122 11F 01254 8D R1126 10D R1163 10D R1202 7F R1268 ...

Page 177: ...A 011 HORIZONTAL AMPLIFIER 8 l j k J Ll J Ol Z o N C O X U 1 C L O o v O o _J V v P O in r ...

Page 178: ...0 2G R1465 2E U1418 3G C1431 2F CR1426 51 Q1468 2D R1431 2G R1466 2D U1454 2H Cl 442 5J CR1428 6G P1482 12C Q1474 3F R1432 2G R1467 2E U1464 2E Cl 448 11 CR1432 2F Q1478 4F R1445 2H R1468 2E C1452 6H CR1442 4J Q1424 2F Q1482 12C R1446 2H R1473 2F VR1416 2G Cl 458 21 CR1448 6G Q1426 2F R1447 2H R1474 3F VR1418 4G Cl 462 5H CR1452 6H Q1432 2F R1416 3G R1448 1H R1475 3F VR1422 2F C l 468 5G CR1456 3H...

Page 179: ... 476 OSCILLOSCOPE ...

Page 180: ...POWER SUPPLY ...

Page 181: ...5F R1368 3D R1398 6B Cl 320 3B C1388 8C CR1345 4E Q1362 2D R1332 5F R1369 4E R1399 6A Cl 322 3B C1390 7B CR1352 2D L1265 4G R1335 9C R1371 3D C l 323 5B C1394 6A CR1353 3D L I 330 4G R1302 6F R1336 8B R1372 3C S450 10B Cl 326 2C C1397 7B CR1354 3E L1387 7D R1303 5D R1337 5F R1373 2C Cl 328 5B C1399 7A CR1358 3E L1388 7C R1304 6F R1339 5F R1375 2C TP1354 4D Cl 330 5G CR1360 4F R1305 6D R1340 5F R13...

Page 182: ...CRT CIRCUIT ...

Page 183: ...GRID LOCATOR Diagrams 475 i 2 3 4 5 6 7 8 9 10 11 12 13 1 14 1 1 1 2 3 4 5 6 A B C ____ 1 ____ 1 ____ 1 ____ 1 ____ 1 ____ Fig 7 20 A6 Fan Motor circuit board Fig 7 21 P 0 A9 Interface circuit board ...

Page 184: ...R1691 3C R1693 4A CR1692 2C R1694 4B CR1694 2C R1695 IB CR1696 3C R1697 2C CR1699 2B R1698 IB Fig 7 21 Interface circuit board CKT NO GRID LOC CKT NO GRID LOC C1505 IOC Q1512 11C C1511 12D C1512 12D R1501 IOC R1502 IOC R1503 11C L1511 IOC R1504 11C R1506 12C R1515 12C Q1502 IOC R1516 13D Q1504 11C R1517 13D Diagrams 475 47 B O S C I L L O S C O P E ...

Page 185: ...C A L IB R A T O R A N D F A N C I R C U I T 4 C A LIB R A TO R FAN MOTOR C IR C U IT ...

Page 186: ...40 x 0 45 inch knurled 3 337 1674 00 1 SHIELD implosion blue 4 366 0494 00 3 KNOB g r a y POSITION A TRIG HOLDOFF each kno b i n c l u d e s 213 0153 00 1 SETSCREW 5 40 x 0 125 inch HSS 5 358 0378 01 14 BUSHING sleeve 6 358 0216 00 3 GROMMET gray plastic 7 366 1031 02 2 KNOB r e d V A R each knob includes 213 0153 00 1 SETSCREW 5 40 x 0 125 inch HSS 8 366 1425 00 2 KNOB g r a y V O L T S D I V eac...

Page 187: ...I 0 M A G 1 P U S H B U T T O N B D L Y D 1 P U S H B U T T O N A INTEN 1 P U S H B U T T O N SINGLE SWP 1 P U S H B U T T O N A 1 P U S H B U T T O N A U T O 1 P U S H B U T T O N N O R M 1 P U S H B U T T O N MIX 5 LENS indicator light 2 KNOB g r a y SLOPE each knob includes 1 SETSCREW 5 40 x 0 125 inch HSS 1 RESISTOR variable w h a r d w a r e m o u n t i n g hardware not included w resistor 1 ...

Page 188: ...01 00 1 SCREW 2 56 x 0 25 inch PHS 56 348 0276 00 ft _ _ SHIELDING GASKET electrical 2 75 feet 57 426 0926 01 1 FRAME cabinet front m o u n t i n g hardware not included w frame 213 0183 00 4 SCREW thread froming 6 32 x 0 50 inch PHS not shown 58 386 2340 00 4 SUPPORT CRT front 59 _ _ _1 1 CIRCUIT BOARD A S S E M B L Y GRATICULE ILLUM A10 circuit board a s s e m b l y includes 60 378 0728 00 1 REF...

Page 189: ......

Page 190: ...4 T 475 OSCILLOSCOPE FIG 1 FRO NT PANEL ...

Page 191: ...475 OSCILLOSCOPE FIG 2 MAIN FRAME ...

Page 192: ...ectrical 2 75 feet FILTER air COVER rear m o u n t i n g hardware not included w cover SCREW 4 40 x 0 25 inch 100 deg csk FHS PLATE c o n n e c t o r m o u n t i n g CONNECTOR electrical female B N C w h a r d w a r e m o u n t i n g h a rdware for each not included w connector TERMINAL lug solder 0 391 inch ID CONNECTOR receptacle electrical m o u n t i n g h a rdware for each not included w conn...

Page 193: ...x 0 25 inch PHS 45 210 0994 00 2 WASHER flat 0 125 ID x 0 25 inch OD 46 210 0201 00 1 LUG solder SE 4 47 337 1688 00 1 SHIELD electrical high vol t a g e m o u n t i n g hardware not included w shield 48 211 0065 00 3 SCREW 4 40 x 0 188 inch PHS 49 348 0115 00 1 GROMMET plastic u shape 50 1 1 CIRCUIT BOARD A S S E M B L Y FAN M O T O R A6 c i rcuit board a s s e m b l y includes 51 136 0269 00 1 S...

Page 194: ...o u n t i n g hardware not included w bracket 77 210 0457 00 1 NUT keps 6 32 x 0 312 inch 78 1 3 TRANSI S T O R m o u n t i n g h a r dware for each not included w transistor 79 211 0012 00 1 SCREW 4 40 x 0 375 inch PHS 80 210 0071 00 1 WASHER spring tension 81 342 0163 00 1 INSULATOR t r a nsistor 82 1 1 T R A N S F O R M E R t r a n s former i n c l u d e s 83 407 1066 00 1 BRACKET t r a n sform...

Page 195: ...rical 6 w i r e ribbon 8 inches 104 175 0830 00 ft WIRE electrical 7 wir e ribbon 6 50 inches 105 175 0833 00 ft WIRE electrical 10 w i r e ribbon 5 50 inches 106 352 0171 00 2 HOLDER t e r minal connector 1 wire 107 352 0169 00 2 HOLDER terminal connector 2 wire 108 352 0161 00 4 HOLDER terminal connector 3 wire 352 0162 00 2 HOLDER terminal connector 4 wire 109 352 0163 00 2 HOLDER terminal conn...

Page 196: ...t o r pin 0 181 inch long 16 131 0608 00 14 TERMINAL pin 0 365 inch long 17 136 0499 02 1 SOCKET cir c u i t board 2 contact 18 136 0499 10 1 SOCKET c i r c u i t board 10 contact 19 136 0499 12 1 SOCKET c i r c u i t board 12 contact 20 355 0175 00 2 STUD press mount 4 40 x 0 35 inch 21 200 0945 01 2 COV E R HALF transistor 22 200 0945 00 2 COVER HALF transi s t o r m o u n t i n g hardware for e...

Page 197: ...ER slide switch 46 354 0165 00 2 RING r e t a i n i n g m o u n t i n g hardware not included w c i r c u i t board assembly 47 211 0116 00 5 SCREW sems 4 40 x 0 312 inch PHB 48 129 0386 00 1 POST hex 1 613 inches long _ _ _ 49 ______2 1 CIRCUIT BOARD A S S E M B L Y TIMING A7 circuit board a s s e m b l y includes 105 0363 00 1 A C T U A T O R ASSEMBLY cam s w i t c h TIME CM actuator a s s e m b...

Page 198: ...315 1 SHIELD 337 0896 00 B010316 2 SHIELD 75 260 1422 00 1 SWITCH p u s h b u t t o n TRIG MQDE 76 361 0411 00 4 SPACER p u s h b u t t o n switch 77 384 1068 00 1 SHAFT extension 8 inches long 78 352 0331 00 2 HOLDER lamp 79 260 1423 00 1 SWITCH p u s h b u t t o n HORIZ MODE 80 361 0385 00 4 SPACER p u s h b u t t o n switch m o u n t i n g hardware not included w c i r c u i t board assembly 81...

Page 199: ......

Page 200: ...FIG 3 RIGHT SIDE l 475 OSCILLOSCOPE ...

Page 201: ...V S X O t l B O T T OVJ 8 8 ...

Page 202: ...0 1 CONNECTOR electrical B N C w h a r d w a r e 15 220 0569 00 1 NUT knurled 0 50 28 x 0 235 inch 16 361 0424 00 1 SPACER ring 17 105 0243 00 B010100 B029999 1 LEVER s w i t c h AC DC 1 0 5 0 243 01 B030000 1 LEVER s w i t c h AC DC m o u n t i n g hardware not included w lever 18 213 0214 00 1 SCREW 2 56 x 0 375 inch CAP SOC 131 1314 00 XB030000 1 CONTACT electrical gro u n d i n g not shown 19 ...

Page 203: ... E M B L Y GAIN SWITCH A4 cir c u i t boa r d a s s e m b l y includes TERMINAL pin 0 365 inch long TERMINAL pin 0 46 inch long SWITCH p u s h b u t t o n V E R T MOD E SPACER p u s h b u t t o n switch HOLDER lamp C O N T A C T ASSEMBLY cam switch top SOCKET pin c o n n e c t o r RESISTOR v a r i a b l e SPACER switch plastic m o u n t i n g hardware not included w c i r c u i t board assembly SC...

Page 204: ...nsi s t o r 75 2 2 RESISTOR v a r i a b l e m o u n t i n g hardware not included w c i r c u i t board assembly 76 211 0116 00 4 SCREW sems 4 40 x 0 312 inch PHB 77 211 0008 00 1 SCREW 4 40 x 0 25 inch PHS 78 210 0054 00 1 WASHER lock split 0 118 ID x 0 212 inch CD 79 210 0994 00 1 WASHER flat 0 125 ID x 0 25 inch OD 80 214 0276 00 1 SPRING g r ound 81 129 0413 00 1 POST metallic stud hex 0 62 in...

Page 205: ...TSINK 105 1 1 TRAN S I S T O R m o u n t i n g hardware not included w t r a n s i s t o r 106 211 0180 00 1 SCREW sems 2 56 x 0 25 inch PHB 107 210 1156 00 1 WASHER shouldered plastic 0 091 ID x 0 121 inch OD 108 342 0166 00 1 INSULATOR t r a n s i s t o r 109 1 1 C I RCUIT BOARD A S S E M B L Y INTERFACE A9 circuit board a s s e m b l y includes 110 131 1003 00 4 RECEPTACLE coaxial cable 111 131...

Page 206: ... NUT hex 0 25 32 x 0 312 inch 1 WASHER flat 0 25 ID x 0 375 inch OD not shown 1 WASHER lock 0 261 ID x 0 40 inch OD 1 SUPPORT re s i s t o r 1 M U L T I P L I E R m o u n t i n g hardware not included w m u l t i p l i e r 2 NUT self locking hex 8 32 x 0 344 inch 1 SWITCH p u s h X10 M A G 2 SPACER p u s h b u t t o n switch 0 133 inch long 1 SWITCH p u s h BEA M F I N D E R 2 SPACER p u s h b u t...

Page 207: ...0 0774 00 10 210 0775 00 10 179 1906 00 1 131 0707 00 8 155 352 0169 00 4 Description 1 2 3 4 5 W I RING H A R N E S S m a i n wi r i n g harness includes CONNECTOR terminal HOLDER temrinal connector 1 wire EYELET metallic 0 152 inch OD EYELET metallic 0 126 inch OD WIRI N G HARNESS probe power wi r i n g harness i n c l u d e s CONNECTOR terminal HOLDER terminal connector 2 wire 8 16 ...

Page 208: ...andle latch 5 367 0140 03 1 HANDLE c a r rying m o u n t i n g hardware not included w handle 6 2 1 1 0 512 00 4 SCREW 6 32 x 0 50 inch 100 deg csk FHS 334 1999 00 1 PLATE i d e n t i f i c a t i o n not shown 7 214 0516 00 2 SPRING handle index 8 214 0513 00 2 INDEX handle ring 9 214 0515 00 2 INDEX handle hub m o u n t i n g hardw a r e for each not included w index 10 213 0182 00 1 SCREW 0 25 2...

Page 209: ......

Page 210: ...5 ...

Page 211: ...4 4 75 O S C ILLO S C O P E FIG 5 CAB IN ET ...

Page 212: ...60 7 5 0 3 2 PRO BE P A C K A G E 4 337 1674 01 1 S H IE L D im plosion clear 5 134 0016 01 1 P LU G tip w binding post 6 003 0 3 0 1 0 0 1 T O O L alignm ent 7 159 0016 00 2 FU S E 1 5 A fast blo 159 004 00 1 FU SE 0 7 5 A fast blo 070 1 3 3 2 0 0 1 M A N U A L instruction not shown 070 1 3 3 3 0 0 1 M A N U A L operators not shown 4 7 5 O S C ILLO S C O P E ...

Page 213: ...o E ff Disc 1 2 3 4 5 Description 0 6 5 0185 00 1 C A R T O N A S S E M B LY carton assembly includes 1 0 04 0850 00 1 BOX 2 0 04 1208 00 2 F R A M E 3 0 0 4 1209 00 1 F R A M E fro n t pad 4 0 0 4 1149 00 1 PAD 5 0 04 1158 00 1 PAD ...

Page 214: ...mmediately into printed manuals Hence your manual may contain new change information on following pages A single change may affect several sections Sections of the manual are often printed at different times so some of the information on the change pages may already be in your manual Since the change information sheets are carried in the manual until ALL changes are permanently entered some duplic...

Page 215: ......

Page 216: ...n required Chg C515 281 0605 00 B060000 200 pF Cer 500 V Remove C517 281 0579 00 B059999X 21 pF Cer 500 V 5 Remove C708 281 0579 00 B059999X 21 pF Cer 500 V 5 Chg C735 281 0605 00 B060000 200 pF Cer 500 V Chg C913 290 0523 00 B060000 2 2 pF Elect 20 V 20 Add CR910 152 0141 02 B060000 Silicon 1N4152 Remove L552 276 0528 00 B059999X Core ferramic suppressor Remove L562 276 0528 00 B059999X Core ferr...

Page 217: ... 2 kfi 1 8 W 17 Chg R912 321 0261 00 B060000 5 11 kn 1 8 W 17 Chg R952 321 0198 00 B060000 1 13 kfi 1 8 W 17o Add R1103 315 0272 00 B060000 2 7 kfi 1 4 W 57o Chg T1400 120 0799 01 B0 70000 LV Power SCHEMATIC DIAGRAM and BOARD PHOTO CHANGES Schematic R125 was a variable resistor in early production Second board outline down from top of page should be titled PARTIAL A4 VERTICAL MODE GAIN SWITCH BOAR...

Page 218: ...or in early production Second board outline down from top of page should be titled PARTIAL A4 VERTICAL MODE GAIN SWITCH BOARD Output at right of T278 should read CH 2 VERT SIGNAL To Pin 3 U370 The line between R293 and R295 should be connected Output at right of R289 should read CH 2 VERT SIGNAL To Pin 2 U370 Refer to accompanying partial schematics for other changes I 15 V U 120 H 136 PARTIAL C H...

Page 219: ..._ C 2 5 3 SEL V W 1 C 2 5 8 O O I 14 15 7 8 C 4 9 4 A 0 22 o V V H R 4 9 4 A R 4 9 Z S 6 2 I R 4 9 3 C 4 9 4 B o E L I W v v i R n R 4 9 5 R 4 9 6 p a r t i a l V E R T IC A L 4 OUTPUT AMR R 2 S 2 R 2 5 5 PARTIAL U240 CH Z VEl R T lc AL M 8 4 P R E A M P 5 V Cl 373 Rev 573 ...

Page 220: ...e input to R320 should read CH 2 SCALE FACTOR From S53 The input to R310 should read CH 1 SCALE FACTOR From S13 1 U370 Pin 11 input should read CH 1 VERT SIG From Q178 J410 output should read CH 2 TRIG SIG TO CR703 C420 value is changed to 2 7 pF Fig 7 11 C494A and C494B are added at the right of R492 and R493 Preexisting R494 and C494 are changed to R494B C494B Schematic 4 Change the details for ...

Page 221: ...hanged to 200 pF Input to Base of Q712 should read CH 2 INT TRIG SIG FROM CR703 R721 C721 and J720 are located outside of the A 8 Board outline The output for the lead shown connected to the right contact of the left section of S705 should read TO CR814 7 Fig 7 14 These parts are located as follows for some S N C644 below VR647 C572 left of Q572 C575 right of R574 L600 right of R600 C811 below CR8...

Page 222: ...TIC CORRECTIONS PARTIAL A INTERFACE BOARD PROM COLL P A R T I A L rcorX N T E R F A C E IOAI B O A R D pi 41k 4 3k ak C 2 4 4 470 ________ J 2 1 Z AX I Si rUNBLANKl P A R T IA L S W E E P f Z A X I S LO G IC 44 4 4 af C l 373 Rev 573 ...

Page 223: ...036 for some S N R911 is moved to left of R917 for some S N Schematic 8 Input to anode of CR910 should read to J3 8 7 J6 l 9 Voltage source for R911 should be 50 V Components at left of J5 10 are located on A7 Timing Board Input to J5 3 should read FROM CR1075 q S Schematic 9 Connectors P6 5 right to P4 1 should read FROM ii For S1050 row 7 and 8 detail refer to attached partial schematic 9 Cl 373...

Page 224: ...7 output should read to R 6 8 3 R684 7 Fig 7 17 R1103 is added below R1140 for some S N 6 V PARTIAL HORIZ AMI PAR TIAL POW ER S U P P LY TO I5V TO TO S 4 5 0 A 8 V BEAM f i n d P O A 9 I N T E R F A C B O A R P C l 3 3 6 O O I o w 20OA H L R I3 3 5 L R 1336 2 0 0 xjH r y l l p 0 A 3 V E KT P R E A M P BRD Cl 373 Rev 573 ...

Page 225: ... FROM Q956 Q1026 8 Schematic Refer to attached partial schema tic for changes near P300 Change voltage for Q1482 collectors to 5V UNREG Fig 7 19 R1352 is located above C1352 for some S N C599 is located below R1335 for some S N C1335 C1336 LR1335 LR1336 are located or connect above and left of R1396 for some S N Schematic 12 Change R1335 INTENSITY control details per the attached partial IN TERFAC...

Page 226: ... i f applicable B SO URCE setting should read STARTS AFTER DELAY Page 5 7 ADD Step 6a pull 20 MHz 20 or 100 M Hz for SN BlOOOOO up B W switch fu lly out and set A and B TIME DIV switches to 10ys Page 5 8 ADD Step 12a 12b at the end of 12a push 20 MHz 20 or 100 M Hz for later SN B W switch fu lly in FULL BW Set VERT M O D E switch to CH 1 For step 12b two X10 BN C attenuators in series may be requi...

Page 227: ...ine 2 of the 109 to provide adequate pulse width to perform the adjustments Following Step lc NOTE I f 50 V supply is readjusted the entire calibration procedure w ill have to be performed Step 3c and 3j read 3c CHECK CRT display for a well defined dot 3 j controls to mid range and TRIGGER M O D E to AUTO Step 7a Fig 5 4 and Step 7d read 7a Connect 1 0 m s and 0 1 m s time marks Fig 5 4 See accomp...

Page 228: ... to existing text Set CH 2 AC GND DC Switch to AC For S N Below B030000 in steps 23i and 23j change 100 m V to read 250 mV Page 5 32 and 5 33 Page 5 32 23 For SN B030000 and up replace the existing steps 23 and 24 with the following steps Refer to the accompanying revised Figures for correct location of adjustments Adjust C H 1 and Vertical Output Gain SN B030000 up a Set the Vertical Mode Switch ...

Page 229: ...2 for 4 divisions of deflection k CHECK Accuracy of the C H 1 Volts Div switch using the settings given in Table 5 6 The deflection factor accuracy for each position must be within 3 24 Adjust C H 2 Gain SN B030000 up a Set the Vert Mode switch to C H 2 the C H 2 Volts Div switch to 2 mV and AC GND DC switch to DC b Move the test signal to the C H 2 input c Adjust the STANDARD AMPL CALIBRATOR for ...

Page 230: ...Location of Delay Line Driver Centering adjustment R385 and delay line ends Fig 5 S Location of CH 1 Var Volts Div Balance and Gain Switch Balance adjustments Fig 5 9 Locations of CH 1 position centering adjustment R176 Pig 5 11 Locations of CH 2 position center R276 CH 2 2 mV and CH 1 2 mV Gain R195 SIM B030000 up Gain R295 and CH 1 2 mV Gain R195 for SN B030000 up C 573 ...

Page 231: ...SN and CH 1 2 mV Gain R125 Below SN B030000 Fig 5 14 Location of CH 2 5 mV Gain R265 all SN and 1 2 mV Gain R225 Below SN B030000 F 5 18 Location of R475 C471 C477 and R494B Selected Fig 5 19 Location of VO LTS DIV Compensation adjustments SN B050000 up I C2 573 ...

Page 232: ...suppressor selected L271 276 0528 00 Core ferramic suppressor selected L274 276 0528 00 Core ferramic suppressor selected Q178 151 0434 00 Silicon P N P 2N4261 Q188 151 0434 00 Silicon PNP 2N4261 Q278 151 0434 00 Silicon PNP 2N4261 Q288 151 0434 00 Silicon PNP 2N4261 R109 311 1268 00 10 kfl Var R110 311 1228 00 10 kfl Var R113 317 0681 00 680 Q nominal value selected R137 317 0242 00 2 4 k 2 nomin...

Page 233: ... FET input amplifier U220 155 0085 01 Hybrid dual FET input amplifier VR144 152 0166 00 Selected from 1N753A 0 4 W 6 2 V 57 VR244 152 0166 00 Selected from 1N753A 0 4 W 6 2 V 57 VR290 152 0166 00 Selected from 1N753A 0 4 W 6 2 V 57 VR396 152 0166 00 Selected from 1N753A 0 4 W 6 2 V 57 R E M O V E C375 281 0544 00 5 6 pF Cer 500 V 107 C376 281 0589 00 170 pF Cer 500 V 57 R149 321 0260 00 4 99 kft 1...

Page 234: ... 39 333 1636 02 1 PANEL front Fig 1 51 384 1162 01 1 SHAFT extension w Knob TRIG VIEW BW ADD Page 8 12 Fig 4 53 129 0385 00 1 POST standoff Fig 4 53 211 0116 00 1 SCREW 4 40 x 312 w 2 lockwashers Page 8 12 CHANGE TO Fig 4 53 105 0421 00 1 ACTUATOR ASSEMBLY slide switch TRIG VIEW Page 8 13 CHANGE TO Fig 4 263 1019 00 1 ACTUATOR ASSEMBLY 100 or 20 MHz BW actuator assembly includes Fig 4 57 376 0146 ...

Page 235: ...C 475 SPRING detent KNOB not shown ROD glass epoxy CORRECTION C 2 0 9 C l 0 9 0 2 2 C l 13 C 2 I 3 R I 09 R 209 IO K R I 0 l R 2 O t loo w v R I I Z R 212 7 w v A 4 RII3 R2I3 2 R I 0 6 K 2 0 6 7 I0 O J U120 U 220 H I 3 6 P A R T IA L C H l Z V E R T IC A L P R E A M P M 1 9 911 573 ...

Page 236: ... I z 2 2 m o m e n ta ry f u l l I n FULL BW T z I z 1 1 i F IR S T DETENT PROM FULL 1N IOO MHz 2 1 z 1 I 1 1 1 CENTER D E TE N T 2 0 M H z Z 1 z 1 z 2 1 1 PULLO U T N 2 A 2 L j 4 DELAY LINE D L 3 8 0 S H O W N IN F U L L B A N D W I D T H V E R TIC A L CHANNEL S W ITC H IN G NOTE S 3 7 5 C ON g IS I N C L O S E D P O S IT IO N FO R T R Q r V I E W 475 Sche m a t i c C o r r e c t i o n P a g e 5 ...

Page 237: ......

Page 238: ...cted from 2N23 Q1140 151 0223 00 Silicon NPN 2N4275 Q1496 151 0280 00 Silicon PNP MM4003 R1114 321 0126 00 200 ft 1 8 W 1 R1116 315 0182 00 1 8 kft 1 4 W 5 R1117 315 0303 00 30 kft 1 4 W 5 R1124 315 0361 00 360 O 1 4 W 5 R1128 321 0045 00 28 7 ft 1 8 W 1 R1134 315 0431 00 430 ft 1 4 W 5 R1138 321 0045 00 28 7 O 1 8 W 1 R1141 321 0190 00 931 ft 1 8 W 1 R1259 321 0287 00 9 53 kft 1 8 W 1 R1483 315 0...

Page 239: ...0141 02 L1252 Q1112 Q1497 276 0507 00 151 0302 00 151 0301 00 R1112A 316 0100 00 R1112B 321 0212 00 R1113A 316 0100 00 R1113B 321 0300 00 24 pF Cer 500 V 5 0 01 iF Cer 500 V 100 pF Cer 350 V 20 3 9 iH 4 75 kft 1 8 W 1 3 32 kft 1 8 W 1 47 ft 1 4 W 5 56 0 1 4 W 5 200 ft 1 4 W 5 5 kft Var 1N989B 0 4 W 150 V 5 2 7 pF 500 V 10 0 05 nF Cer 50 V 0 1 p F Cer 50 V 0 01 iF Cer 500 V 0 02 j F Cer 150 V 390 p...

Page 240: ...21 00 620 ft 1 8 W 57o R1329 316 0106 00 10 Mft 1 4 W 10 R1335A 311 1533 00 Dual 5 kft R1335B 2 5 Mft R1489 315 0180 00 18 ft 1 4 W 5 R1495 316 0221 00 220 ft 1 4 W 107 VR1124 152 0175 00 5 6 V Zener Diode VR1134 152 0166 00 Selected from 1N753A NOTE C1455 is added in parallel with R1444 Page 3 of 5 0 4 W 6 2 V 5 I iOS loO V M 19 919 473 ...

Page 241: ... 1 I R I II9A po S IT I o n f i n e I R l 130 PAGE 4 OF 5 R 1234 Ml 9 91 9 473 ...

Page 242: ...V 50V RI504 47 k 5V U 5II J Q 504 y C R I5 I2 CI5II 50 xF RI506 5 1 k P A R T I A L C A L I B K A T O R s CI5I2 T T RI515 50 AM PLITUDE ICALIBRATOR I 30 0 mV 30 mA IkMz RI5I7 f 1 0 I5V PI4 3 I5 v P I464 PARTIAL AO INTERFACE 0OARD M1 9 919 473 ...

Page 243: ...CR104 152 0323 01 Silicon SE365 CR105 152 0323 01 Silicon SE365 CR204 152 0323 01 Silicon SE365 CR205 152 0323 01 Silicon SE365 CR103 152 0323 01 Silicon SE365 CR203 152 0323 01 Silicon SE365 Add CR103 and CR203 in series with CR104 and CR204 respectively M20 093 673 ...

Page 244: ...O up CHANGE TO Page 8 6 Fig 2 66 MECHANICAL PARTS LIST CORRECTION 369 0031 00 B O 10100 B109999 1 IMPELLER fan w setscrew 369 0031 01 B 110000 1 IMPELLER fan w setscrew 105 0507 00 X B 110000 1 STOP end play M20 261 773 ...

Page 245: ... ELECTRICAL PARTS LIST CORRECTION CHANGE TO U140 155 0078 07 Monolithic vertical amplifier selected U240 155 0078 07 Monolithic vertical amplifier selected U450 155 0078 05 Monolithic vertical amplifier selected M20 394 673 ...

Page 246: ...0 470 ft 1 4 W 5 REMOVE C984 281 0503 00 8 pF 500 V RT1123 307 0124 00 5 kft Thermal ADD C985 281 0523 00 100 pF 350 V R984 315 0201 00 200 ft 1 4 W 5 R1105 315 0510 00 51 ft 1 4 W 5 RT1103 307 0125 00 500 ft Thermal TO GR 988 5 J 5 9 PARTIAL S W E E P GEN 3V J IIO I r iio 3 2 7 K 0 1 R 1 101 R II0 5 a m t i r R T II0 3 5 0 0 L I 1 0 2 P A R T IA L HORIZONTAL AM F M20 433 473 ...

Page 247: ... kft nominal value selected R466 311 1278 00 250 ft Var R467 317 0240 00 24 f t nominal value selected R468 321 0061 00 42 2 ft 1 8 W 1 R469 321 0061 00 42 2 ft 1 8 W 1 R470 311 1279 00 500 ft Var R474 317 0240 00 24 f t nominal value selected R477 315 0821 00 820 ft 1 4 W 5 R EMOVE L466 22 Bare Strap R446 321 0136 00 255 ft 1 8 W 1 ADD C472 281 0558 00 18 pF Cer 500 V LR467 108 0328 00 0 3 pH R45...

Page 248: ...HEMATIC CORRECTION Note Original schematic was in error R466 always connected to U450 pins 8 and 9 and C466 always connected to pins 5 and 6 with L466 located between R466 and C466 This mod removes L466 M20 525 473 U4 70 ...

Page 249: ...RTS LIST CORRECTION CHANGE TO R142 321 0072 00 54 9 ohm nominal value selected R143 321 0072 00 54 9 ohm nominal value selected R242 321 0072 00 54 9 ohm nominal value selected R243 321 0072 00 54 9 ohm nominal value selected M20 563 773 ...

Page 250: ...120 00 12 fi 1 8 W 5 R144 317 0120 00 12 fl 1 8 W 57 R241 317 0120 00 12 0 1 8 W 5 R244 317 0120 00 12 fl 1 8 W 5 R I 2 3 R 2 2 M TT R I4 I R2 4 X CI4 2 L 1 1 4 1C L2L4 D c c 2 4 2 T 8 P A R TIA L C H I fC H Z V E R T IC A L P R E A M p C l 4 7 C c 2 4 7 T U I2 0 U 2 2 0 5 M20 642 573 ...

Page 251: ... 00 R397 315 0471 00 Silicon NPN 2N2857 10 ft 1 4 W 57 2 7 pF Cer 500 V 12 f t nominal value selected 12 f t nominal value selected 470 ft 1 4 W 57 3V RIO 3 SEL C R I07 8 V C R 2 0 3 R204 13 A A R203 SEL XZ R201 U I 2 0 p a r t i a l C H I VERTICAL PREAMP U220 PARTIAL CH2 VERTICAL PREAMP R 397 4 70 1 1 I W f R394 Q 3 9 6 JZ 394 2 7 R 395 8 v PARTIAL VERT c h a n n e l S W IT C H IN G M20 864 773 ...

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Tektronix 475, Instruction Manual

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