Tektronix 2205 Service Manual Download

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I f O M

/ ; r T 7 i

ESC 3234 95 01

service Manual

Tektronix

2205

Oscilloscope

070-6716-00

Summary of Contents for 2205

Page 1: ...I f O M r T 7 i ESC 3234 95 01 service Manual Tektronix 2205 Oscilloscope 070 6716 00 ...

Page 2: ... ...

Page 3: ...structions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Referto the Safety Summary prior to performingservice Please check for change inform ation at the rear o f this manual First Priming April 1988 ...

Page 4: ...Tektronix Inc Beaverton Oregon USA E200000 Tektronix United Kingdom Ltd London J3Q0QQ0 Sony Tektronix Japan H700000 Tektronix Holland NV Heerenveen The Netherlands Instruments manufactured for Tektronix by external vendors outside the United States are assigned a two digit alpha code to identify the country of manufacture e g JP for Japan HKfor Hong Kong IL for Israel etc Tektronix Inc P O Box 500...

Page 5: ...herlocations this warrantyshall notapplyto anydefect failureordamagecausedby improper useorimproperorinadequatemaintenance andcare Tektronixshallnotbeobligatedtofurnishservice underthiswarrantya to repairdamage resultingfrom attempts by personnelotherthanTektronixrepresentativesto install repairorservicethe product b to repairdamageresultingfrom improperuseorconnectionto incompatibleequipment orc ...

Page 6: ... Gerates angezeigt und die Berechtigung zur Oberprufung der Serie auf Einhalfen der Bestimmungen eingeraumt TEKTRONIX NOTICE to the user operator The German Postal Service requires that Systems assembled by the operator user of this instrument must also comply with Postal Regulation Vfg 1046 1984 Par 2 Sect 1 HINWEIS fur den Benutzer Betreiber Die vom Betreiber zusammengestellte Aniage innerhalb d...

Page 7: ...OWER AND DISPLAY 2 3 VERTICAL 2 3 HORIZONTAL 2 5 TRIGGER 2 5 REAR PANEL 2 6 OPERATING CONSIDERATIONS 2 7 GRATICULE 2 7 CONNECTING SIGNALS 2 7 OPERATOR S CHECKS AND ADJUSTMENTS 2 8 INITIAL SETUP 2 8 TRACE ROTATION ADJUSTMENT 2 8 PROBE COMPENSATION Option 10X P robe 2 9 Section 3 THEORY OF OPERATION SECTION ORGANIZATION 3 1 INTEGRATED CIRCUIT DESCRIPTIONS 3 1 GENERAL DESCRIPTION 3 1 DETAILED CIRCUIT...

Page 8: ...DURE STEPS 4 9 EXTERNAL Z AXIS AND PROBE ADJUST 4 12 INITIAL CONTROL SETTINGS 4 12 PROCEDURE STEPS 4 12 INTRODUCTION PURPOSE STRUCTURE TEST EQUIPMENT REQUIRED LIMITS AND TOLERANCES ADJUSTMENTS AFFECTED B REPAIRS PREPARATION FOR ADJUSTMENT INDEX TO ADJUSTMENT PROCEDURE STEPS POWER SUPPLY AND CRT DISPLAY INITIAL CONTROL SETTINGS PROCEDURE STEPS VERTICAL INITIAL CONTROL SETTINGS PROCEDURE STEPS HORIZ...

Page 9: ...E MAINTENANCE 6 10 INTRODUCTION 6 10 MAINTENANCE PRECAUTIONS 6 10 OBTAINING REPLACEMENT PARTS 6 10 MAINTENANCE AIDS 6 10 RIBBON CABLE CONNECTIONS 6 H TRANSISTORS AND INTEGRATED CIRCUITS 6 12 SOLDERING TECHNIQUES 6 12 REMOVAL AND REPLACE MENT INSTRUCTIONS 6 13 Section 7 OPTIONS AND ACCESSORIES OPTION 1C v 7 1 OPTION IK 7 1 OPTION 1R 7 1 OPTION IT 7 1 OPTION 02 7 1 OPTION 22 7 1 OPTION 23 7 2 OPTION...

Page 10: ...agram of the Sweep Generator and Logic Block diagram of the Horizontal A m plifier Simplified diagram of the DC Restorer Block diagram of the Power Supply Attenuator trimmer adjustments 2 2 2 4 2 6 2 7 2 9 3 3 3 5 3 9 3 11 3 13 3 15 5 8 Multi connector holder orientation Color codes for resistors Semiconductor lead configurations Locating components on schematic diagrams and circuit board illustra...

Page 11: ...justments Affected by Repairs 5 2 5 2 Power Supply Lim its 5 4 5 3 Deflection Accuracy L im its 5 7 5 4 Settings for Timing Accuracy Checks 5 14 5 5 Settings for Holdoff Checks 5 15 5 6 Switch Combinations for Triggering Checks 5 17 6 1 Refative Susceptibility to Static Discharge Damage 6 1 6 2 External Inspection Checklist i 6 3 6 3 Internal Inspection Checklist 6 4 6 4 Power Supply Voltage and R...

Page 12: ...ndicates where applicable cautionary or other information is to be found For maximum input voltage see Table 1 1 Symbols as Marked on Equipment A Protective ground earth terminal ATTENTION Refer to manual Power Source This product is intended to operate from a power source that does not apply more than 250 V rms between the supply conductors or between either supply conductor and ground A protecti...

Page 13: ...gerous voltages exist at several points in this product To avoid personal injury do not touch ex posed connections or components while power is on Disconnect power before removing protective panels soldering or replacing components Power Source This product is intended to operate from a power source that does not apply more than 250 volts rms between the supply conductors or between either supply ...

Page 14: ...6716 01 ...

Page 15: ...ds from 0 5 s to 100 ns per division For greater measurement accuracy a X I0 magnifier circuit ex tends the maximum sweep speed to 10 ns per division The instrument is shipped with the following accessories 1 Operators Manual 2 IX Signal Adapters 1 Power Cord 2 Fuses 1 Power Cord Clamp 1 Washer 1 Screw Part numbers for these standard accessories as well as for other optional accessories are locate...

Page 16: ...s or less 8 0 C to 5 C and 35 C to 40 C 23 3 ns or less Bandwidth 3 dB 5 C to 35 C 20 MHz or more 0 C to 5 C and 35 C to 40 C 15 MHz or more 8 Ac Coupled Lower Cutoff Frequency 10 Hz or less at 3 dB 8 CHOP Mode Switching Rate 500 kHz 30 8 input Characteristics Resistance i M n 2 Capacitance 25 pF 2 Maximum Safe Input Voltage a DC or AC Coupled 400 V dc peak ac or 800 V ac p p to 10 kHz or less Com...

Page 17: ...t 10 kHz or less Trigger Level Range NORM Mode 15 division referred to the appropriate vertical Input EXT Source At least 1 6 V 3 2 V p p EXTHO Source At least 16 V 32 V p p HORIZONTAL DEFLECTION SYSTEM Sweep Rate Calibrated Range 0 5 s per division to 0 1 ps per division in a 1 2 5 sequence Magnification extends maximum usable sweep speed to 10 ns per division Accuracy 15 C to 35 C Magnified XI X...

Page 18: ...gned to center vertical graticule line 8 Z MODULATION Sensitivity 5 V causes noticeable modulation Positive going input decreases intensity Usable frequency range Dc to 5 MHz 8 Maximum Safe Inpyt Voltage 400 V dc peak ac or 800 V ac p p to 10 kHz or less X Y OPERATION XI MODE Deflection Factors Same as vertical deflection system with variable controls in the CAL detents 8 Accuracy X Axis 15 Y Axis...

Page 19: ...230 V Setting 185 Vac to 150 Vac Line Frequency 48 Hz to 440 Hz a Maximum Power Consumption 40 W 60 VA a Line Fuse UL 198 6 3AG 1 4 X 1 1 4 inch 115 V Setting 0 75 A Slow 230 V Setting 0 5 A Slow CATHODE RAY TUBE Display Area 8 X 100 mm Standard Phosphor GH P31 a Nominal Accelerating Voltage 1800 V 10 a Performance requirement not checked in manual 1 S ...

Page 20: ...eters 15 000 feet Maximum operating temperature decreased 1 C per 300 m 1000 feet above 1500 m 5 000 feet Nonoperating To 15 250 meters 50 000 feet Relative Humidity Operating 30 C to 40 C 85 0 5 Nonoperating 30 C to 60 C 85 0 5 Vibration Operating 15 minutes along each of three major axes at a total displacement of 0 015 inch p p 2 4 g at 55 Hz with frequency varied from 10 Hz to 55 Hz to 10 Hz i...

Page 21: ...sions Height 138 mm 5 4 in Width With Handle 380 mm 15 0 in Without Handle 327 mm 12 9 in Depth Without Front Cover 440 mm 17 2 in With Optional Front Cover 445 mm 17 5 in With Handle Extended 516 mm 20 3 in o 3 U J CL o Q g 10 kHz 50 kHz 100 kHz 500 kHz 1 MHz 50 MHz 6716 02 1 7 Figure 1 1 Maximum input voltage vs frequency derating curve for CH 1 OR X CH 2 OR Y and EXT INPUT OR Z connectors ...

Page 22: ...Specification 2205 Service 6718 03 1 8 Figure 1 2 Instrument dimensional drawing ...

Page 23: ...ll the appropriate fuse listed on the rear panel and in Table 7 1 The detachable power cord may have to be replaced to match the particular power source 2 Press in and slightly rotate the fuse holder cap counterclockwise to release it 3 Pull the cap with the fuse out of the fuse holder 4 Verify that the fuse is the same type listed on the back of the instrument The two types of fuses listed are no...

Page 24: ... CONDUCTOR MUST BE CONNECTED TO GROUND 00 NOT REMOVE COVERS REFER SERVICING TO QUALIFIED PERSONNEL CAUTION DISCONNECT INPUT POWER BEFORE REPLACING FUSE FOR CONTINUED FIRE PROTECTION REPLACE ONLY WITH SPECIFIED TYPE AND HATED FUSE P O W E R MAX WATTS 50 MAX VA BO FREOUENCY 48 440HI LINE VOLTAGE SELECTOR TEKTRONIX INC BEAVERTON OREGON U S A MADE IN HONG KONG FLAT WASHER1 SELF TAPPING SCREW W16 04 Fi...

Page 25: ...nnel 1 input sig nal for display BOTH Selects a combination of Channel 1 and Channel 2 input signals for display The CH 1 BOTH CH 2 switch must be in the BOTH position for ADD ALT and CHOP operation CH 2 Selects only the Channel 2 input sig nal for display MODE Switch NORM CH 2 INVERT Inverts the Channel 2 display when in the CH 2 INVERT position With CH 2 inverted the oscil loscope may be operate...

Page 26: ... ro tation indicates the Calibrated VOLTS DIV position of the variable knob j4 AC GND DC Input Coupling Switches Select the method of coupling the Input signal from the CH 1 ORX and CH 2 ORY connectors to the vertical amplifiers AC Capacitively couples the input signal to the vertical deflection system The do com ponent of the input signal is blocked The lower 3 dB bandpass is 10 Hz or less GND Gr...

Page 27: ...e going square wave signal at about 1 KHz for use in compensating voltage probes and checking the vertical deflection system The PROBE ADJUST output signal is not intended as a reference for checking either the vertical or the horizontal accuracy of the instrument 21 GND Connector rh Provides an auxiliary ground connection directly to the instrument chassis via a banana tip jack P P AUTO TV LINE T...

Page 28: ...l applied to the EXT INPUT or Z connector to the trigger circuit EXT Z Routes the signal applied to the EXT INPUT OR Z connector to the Z Axis amplifier rather than the trigger circuit 28 EXT INPUT OR Z Connector Provides for connection of external signals either to the trigger circuit for external triggering or to the Zr Axis amplifier for intensity modulation of the crt display REAR PANEL Refer ...

Page 29: ... test If this capacitance is disruptive to the circuit being tested use the optional 10X probe Waveform Fidelity and Probe Grounds When using a probe its ground lead must be used for accurate measurements and observations Use the shortest ground connection possible for best waveform fidelity In some cases a separate ground from the unit under test to the ground receptacle on the oscil loscope fron...

Page 30: ... the initial start up before applying power INITIAL SETUP 1 Verify that the POWER switch is OFF switch is in the out position and the Line Voltage Selector switch is set for the correct source voltage Then plug the power cord into the ac power outlet 2 Press in the POWER switch ON and set the instrument controls to obtain a baseline trace Display INTENSITY FOCUS Vertical Both Channels POSITION bot...

Page 31: ...ct the two 10X probes supplied with the instrument to the CH 1 OR X and CH 2 OR Y input connectors 3 Connect the Channel 1 probe tip to the PROBE ADJUST terminal 4 Use the CH 1 POSITION control to vertically center the display If necessary adjust the Trigger LEVEL control to obtain a stable display on the positive r SLOPE NOTE Refer to the Instruction manual supplied with the probe for more comple...

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Page 33: ...ent and simplified diagrams to illustrate their circuit operation GENERAL DESCRIPTION W V H H M B Si e W O T S H U m A tP In the following functional description of the 2205 Oscilloscope refer to the block diagram Figure 9 4 located in the Diagrams section of this manual In Figure 9 4 the numbered diamond symbol in each major block refers to the appropriate schematic diagram number Vertical Signal...

Page 34: ...disabled until the SGL SWP RESET button is pressed again The Sweep Logic circuit controls the operation of the Miller Sweep Generator circuit The Sweep circuit produces a linear sweep with a ramp time that is controlled by the SEC DIV switch setting The sweep signal is applied to the Horizontal Preamplifier for initial amplification and then to the Horizontal Output Amplifier to drive the crt hori...

Page 35: ...nnel 1 signal goes directly to the input of the High Impedance Attenuator stage When ac coupled the ac portion of the Input signal passes through the dc blocking capacitor C2 The blocking capacitor stops the dc component of the input signal from reaching the Attenuator circuit When switched into the signal path attenuator ATI attenuates the input signal by factors of 100 10 4 or 2 When S101 is set...

Page 36: ...raphase Ampli fier is circuitry that allows the polarity of the Chan nel 2 signal to be inverted When CH 2 INVERT switch S90 is in NORM the transistor pairs in U80 are biased as they are in U30 and CH 2 trace is not inverted In CH 2 INVERT position connections to the bases of the output transistor pairs are reversed to produce an inverted Channel 2 trace Potentiometer R83 is adjusted for minimal d...

Page 37: ...input of U540A LO through CR538 and the SET input is held HI by pull up resistor R538 The outputs of U540A are then Q LO and 3 HI enabling the Channel 2 Preamplifier signal to drive the Vertical Output Amplifier while the CH 1 Preamplifier is disabled fa display the ADD ALT or CHOP formats S550 must be in the BOTH position to ground the A C and F pins of S545 ADD DISPLAY In the ADD position of S54...

Page 38: ...5 goes low and bias Q202 and Q203 such that the amplifier dynamic range is limited Vertical Output Amplifier The Vertical Output Amplifier provides final amplification of the input signals for application to the vertical deflection plates of the crt Signals from the preamplifier are applied to a differential amplifier composed of Q230 and Q231 with frequency com pensatlon provided by R241 R280 and...

Page 39: ... and U300B will be HI Both Channel 1 and Channel 2 signal paths will be enabled and their output current will be summed at the inputs of the Internal Trigger Amplifier to produce the internal trigger signal In CHOP VERTICAL MODE position the CHUR ENABLE line places a LO on both inputs of U300D The output of U300D is held HI and applied to the inputs U304A and U304B and the signal to the Internal T...

Page 40: ...voltage set by the TRIGGER LEVEL control Positive or negative slope triggering is selected by the TRIGGER SLOPE switch Transistors U460B and U460E compare the wiper voltage on the TRIGGER LEVEL control to the input 1 rigger signal and the transistor with the higher base voltage will conduct more of the available emitter current The output collector currents supply emitter current to two transistor...

Page 41: ...wing the display See Figure 3 3 for the block diagram of the Sweep Generator and Logic circuitry Miller Sweep Generator The Miller Sweep Generator produces a linear voltage ramp that drives the Horizontal Amplifier It produces the ramp voltage by maintaining a con stant current through timing capacitors causing a linear voltage rise across them as they charge Field effect transistors Q704A and Q70...

Page 42: ... input of inverter U520A The inverted signal of U520A is applied to the input of U520B The signal from U520B is inverted by U520C to produce an OR function then fed to the SET input pin 12 of U530B This overrides the CLOCK input of U530B and puts a HI on the Q output pin 15 resetting the sweep The sweep reset is also fed to the input pin 12 of the monostable U500B which gives a holdoff time depend...

Page 43: ...mplifier Circuit X Y Amplifier In the X Y mode of operation the 7 signal buffered by Q736 is low biasing Q732 in the linear region Transistors Q732 and Q737 are a trans conductance amplifier that changes an input voltage to output current The input signal is applied through gain adjust R39S The X Offset adjustment is R736 The signal current flowing out of Q737 is fed into the shunt feedback stage ...

Page 44: ...oltage of VR776 goes negative and CR780 and CR890 become forward biased Current though these diodes causes the output common mode voltage of the two shunt feedback amplifiers to be shifted positively to reduce the available voltage swing at the crt plates This prevents the trace from being deflected off screen horizontally Z AX1S AMPLIFIER The Z Axis Amplifier shown on Diagram 7 con trols the crt ...

Page 45: ...lowing discussion Ac drive to the DC Restorer circuit is obtained from pin 3 of T902 The drive voltage has an ac peak amplitude of about 100V at a frequency of about 20 kHz and is coupled into the DC Restorer circuit through C853 and R853 The cathode of CR851 is biased by the wiper voltage of Grid Bias potenti ometer R851 and the ac drive voltage is clamped whenever the positive peaks reach a leve...

Page 46: ...age doubler of CR975 CR976 and C980 produces 1 8 kV for the crt cathode The 1 8 kV supply is filtered by a low pass filter formed by R976 R978 C976 and 0979 Focus Circuit Focus voltage is developed from the 1 8 kV supply by a voltage divider formed by R894 and R892 and FOCUS potentiometer R893 POWER SUPPLY AND PROBE ADJUST The Power Supply circuitry converts the ac power line voltage into the volt...

Page 47: ...Q933 turned on the 60 V supply from the line rectifier is applied to one end of 1950 via Q933 The other end of L950 is held to 20 V by the capacitive load that is reflected through the high frequency power trans former T9Q2 With a 40 V difference across L95Q the current in the inductor increases rising portion of the triangle shaped current pulse until Q933 is turned off by the Current Switch circ...

Page 48: ...n 3 exceeds the dc error voltage on pin 2 causing the output of U920 to change state from Hi to LO This LO is applied to pin 2 trigger input of U930 The TURN OFF signal from the output of U930 goes HI for a predetermined length of time about 8 ns With the Current Source Q933 turned off the load current voltage from U910A decreases below the level of the dc error voltage This will put a high on the...

Page 49: ...0 is a floating differential amplifier with a dc bias network comprising R905 R904 and R902 Resistors R906 and R903 apply a small line frequency signal from the secondary of T901 to the base emitter junction of Q900 The resultant collec tor current of Q900 is a line frequency sine wave that is applied to the trigger circuit Probe Adjust The Probe Adjust circuitry shown on Diagram 4 is a square wav...

Page 50: ...r i ...

Page 51: ...ment required to accomplish both the Performance Check Procedure in this section and the Adjustment Procedure in Section 5 Test equipment specifications described in Table 4 1 are the minimum necessary to provide accurate results Therefore equipment used must meet or exceed the listed specifications Detailed operating instructions for test equipment are not given in this procedure If more operatin...

Page 52: ...justment TEKTRONIX TG 501 Time Mark Generator 8 4 Test Oscilloscope with 10X Probes Bandwidth dc to 50 MHz Minimum deflection factor 5 mV div Accuracy 3 General troubleshoot ing holdoff check TEKTRONIX 2225 Oscilloscope 5 Digital Voltmeter DMM Range 0 to 250 V Dc voltage accuracy 10 15 4 1 2 digit display Power supply checks and adjustments Verttca1adjustment TEKTRONIX DM 501A Digital Multimeter 8...

Page 53: ...Accuracy and Linearity 4 6 2 Check Position Range 4 7 Performance Cheek Procedure 2205 Service 3 Check Variable Range 4 7 4 Check X Gain 4 7 5 Check X Bandwidth 4 7 Trigger t Check Internal Triggering 4 9 2 Check External Triggering 4 10 3 Check External Trigger Ranges i 4 10 4 Check Single Sweep Operation 4 10 External Z Axis and Probe Adjust 1 Check External Z Axis Operation 4 12 2 Check Probe A...

Page 54: ...for each CH 1 VOLTS DIV switch setting and corresponding standard amplitude signal When at the 20 mV VOLTS DIV switch setting rotate the CH 1 VOLTS DIV Variable control fully counterclockwise and check that the display decreases to 2 divisions or less Then return the CH 1 VOLTS DIV Variable control to the CAL detent and continue with the 50 mV check c Move the cable from the CH 1 or X input con ne...

Page 55: ...V Channel 2 AC GND DC GND SEC DIV 0 05 ms b Set the generator to produce a 20 MHz 5 division display c Set CH 1 VOLTS DIV switch to 0 5 V for a 10 division display d Set Vertical MODE switch to CH 2 and ALT e CHECK The display amplitude is less than 0 1 division f Move the test signal cable from the CH 1 or X input connector to the CH 2 OR Y input connector g Set Vertical MODE CH I Channel 1 AC GN...

Page 56: ...le line d CHECK Timing accuracy is within 3 0 24 division at the tenth vertical graticule line and linearity is within 5 0 10 division over any 2 of the center 8 divisions NOTE For checking the timing accuracy of the SEC DIV switch settings from SO ms to 0 5 s watch the time marker tips only at the second and tenth vertical graticule lines while adjusting the Horizontal POSITION controls to line u...

Page 57: ...ght of the center vertical graticule line by rotating the Horizontal POSITION control fully clockwise d CHECK The tenth time marker can be positioned to the left of the center vertical graticule line by rotating the Horizontal POSITION control fully counterclockwise e Select 0 5 ms time markers from the time mark generator f Align the 3rd time marker with the center vertical graticule line using t...

Page 58: ...nnect the leveled sine wave generator out put via a 50 ft coaxial cable and a 50 X1 termination to the CH 1 OR X input connector c Set the generator to produce an 8 division horizontal display at an output frequency of 50 kHz d Increase the output frequency until the X Axis horizontal deflection amplitude is 5 7 divisions e CHECK The frequency is 2 MHz or greater f Disconnect the test equipment fr...

Page 59: ...enerator to produce a 3 division display at an output frequency of 5 MHz c Set channel 1 VOLTS DIV switch to 1 V combination given in Table 4 4 Ensure that the TRIG D light comes on when triggered Table 4 4 Switch Combinations for Triggering Checks Trigger MODE Trigger SLOPE NORM Positive T NORM Negative V P P AUTO Negative V P P AUTO Positive e Move the test signal cable from the CH 1 OR X input ...

Page 60: ... i CHECK Display is not triggered at either extreme of rotation of the Trigger LEVEL control j Disconnect the test equipment from the instrument e Set CH 1 VOLT DIV 50 mV SEC DIV 0 05 ms Horizontal MODE MAG f Set the generator to produce a 3 division 150 mV horizontal display at an output frequency of 30 MHz 4 Check Single Sweep Operation a Set CH 1 VOLTS DIV 10 mV SEC DIV 0 5 ms Trigger SOURCE CH...

Page 61: ...ED goes out and a single sweep occurs h Press the SGL SWP RESET button several times i CHECK A single sweep trace occurs and the TRIG D READY LEO illuminates briefly every time the SGL SWP RESET button is pressed j Disconnect the test equipment from the instrument ...

Page 62: ...plitude signal from the calibration generator via dual input coupler to the CH 1 OR X and EXT INPUT OR Z connectors NOTE The INTENSITY level may need adjustment to view the intensity modulation on the dis played waveform b CHECK For noticeable intensity modulation The positive part of the sine wave should be of lower intensity than the negative part c Disconnect the test equipment from the instrum...

Page 63: ...its entirety to ensure that control settings will be correct for en suing steps All steps within a subsection should be completed TEST EQUIPMENT REQUIRED Table 4 1 is a complete list of the test equipment required to accomplish both the Performance Check Procedure in Section 4 and the Adjustment Pro cedure in this section To assure accurate measure ments it is important that test equipment used fo...

Page 64: ... internal adjustments and do not change the 8 6 V power supply adjustment Altering this adjustment may necessitate a complete readjustment of the instrument whereas only a par tial adjustment migfit othiriwise be required Only change an internal adjustment setting if a Performance Characteristic cannot be met with the original setting Before performing any procedure in this section set1 the POWER ...

Page 65: ...ion 5 9 12 Adjust High Frequency Compensation 5 9 13 Check Bandwidth 5 10 14 Check Channel Isolation 5 10 15 Check Common Mode Rejection Ratio 5 10 Horizontal 1 Adjust 1 ms Timing 5 11 2 Adjust Magnifier Gain 5 11 3 Adjust Magnifier Registration 5 11 4 Check Position Range 5 12 5 Check Variable Range 5 12 6 Adjust 0 1 ms and 0 1 ns Timing 5 12 7 Adjust High Speed Timing 5 12 8 Check Timing Accurac...

Page 66: ...EC DIV Variable CAL detent Trigger SLOPE LEVEL MODE SOURCE Positive Midrange P P AUTO EXT EXT PROCEDURE STEPS t Check Adjust Power Supply DC Levels R916 b CHECK Voltmeter reading is 8 5 V to 8 7 V If the reading is within these limits skip to part d c ADJUST The 8 6 V Adj potentiometer R916 for a voltmeter reading of 8 6 V d CHECK Voltage levels of the remaining power supplies listed in Table 5 2 ...

Page 67: ...for optimum alignment of the trace with the center horizontal graticule tine 5 Adjust Geometry R871 a Set CH 1 VOLTS DIV 50 mV SEC DIV 0 1ms b Connect 50 ms time markers from the time mark generator via a 50 fl coaxial cable and a 50 fl termination to the CH 1 OR X input connector c Position the baseline part of the display below the bottom horizontal graticule line using the CH 1 POSITION control...

Page 68: ...terclockwise b Position the trace on the center horizontal graticule line using the CH t POSITION control c Rotate the CH 1 VOLTS DIV Variable control clockwise to the GAL dSteht d ADJUST CH 1 Var Bal R33 to set the trace to the center horizontal graticule line e Repeat parts a through d until there is no trace shift between the fully clockwise and the fully counterclockwise positions of the CH 1 ...

Page 69: ... Gain R145 for an exact 4 division display e Move the test signal cable from the CHI or X input connector to the CH 2 OR Y input connector f Set the Vertical MODE switch to CH 2 g Center the display within the graticule using the CH 2 POSITION control h ADJUST CH 2 Gain R195 for an exact 4 division display VOLTS DIV STANDARD ACCURACY Switch Amplitude Limits Setting Signal Divisions 5 mV 20 mV 3 88...

Page 70: ...strument 6 Adjust Attenuator Compensation a Set VOLTS DIV both 10 mV AC GND DC both DC b Connect the high amplitude square wave output from the calibration generator via a 5 0 fl ter mination r a miniature probe tip to BNC adapter and the 10X probe to the CH 2 OR Y input connector c Set the generator to produce a 1 kHz 5 division display and compensate the probe using the probp compensation adjust...

Page 71: ...ision display C ADJUST Chop Sw Bal R140 for no trig gering on chop segments when rotating the Trigger LEVEL control a Set 20 mV DC BOTH NORM and ALT 0 5 ms XI CH 1 b Position both traces on the center horizontal graticule line using the CH 1 and CH 2 POSITION controls c Set the calibration generator to produce a 50 mV signal d Connect the output of the calibration generator to both the CH 1 or X i...

Page 72: ... Set the generator to produce a 20 MHz 5 division display c Set CH 2 VOLTS DIV switch to 0 5 V for a 10 division display d Set Vertical MODE switch to CH 1 and ALT NOTE e CHECK The display amplitude is less than 0 1 division Install the instrument cabinet for the re maining vertical checks and allow a 20 minute warm up period before continuing with the Adjustment Procedure See the Cabinet remove a...

Page 73: ...to CH 2 INV and ADD e CHECK Display amplitude is 0 6 division or less f Disconnect the test equipment from the instrument NOTE To continue with the Adjustment Pro cedure remove the instrument cabinet and allow a 20 minute warm up period See the Cabinet removal instructions located in the Maintenance section of the manual ...

Page 74: ... connector b Align the first time marker with the first extreme left vertical graticule line using the Horizontal POSITION control NOTE When making timing measurements use the tips of the time markers positioned at the center horizontal graticule line as the measurement reference points c ADJUST XI Gain R744 for one marker per division over the center eight divisions 2 Adjust Magnifier Gain R777 a...

Page 75: ...tch to X I0 h Check Magnified time marker can be positioned to the left of the center vertical graticule line by rotating the Horizontal POSITION control fully counterclockwise i Check The tenth time marker can be positioned to the right of the center vertical graticule by rotating the Horizontal POSITION control fully clockwise 5 Check Variable Range a Set Horizontal MAG switch to XI and center t...

Page 76: ...4 division over any 2 of the center 8 divisions Exclude any portion of the sweep past the 50th magnified division k Repeat parts i and j for the remaining SEC DIV and time mark generator setting combination shown in Table 5 4 under the X10 Magnified column l Disconnect the test equipment from the instrument 9 Adjust X Axis Gain R395 a Set VOLTS DIV both 10 mV SEC DIV X Y Horizontal MAG XI Table 5 ...

Page 77: ...K Holdoff time is between 1 5 ms 10 Check X Bandwidth 3 0 ms 50 mV DC CH 1 b Connect the leveled sine wave generator out put via a 50 ft coaxial cable and a 50 Xl termination to the CH 1 o r X input connector c Set the generator to produce an 8 division horizontal display at an output frequency of 50 kHz d Increase the signal frequency until the hori zontal deflection X axis is equal to 5 7 divisi...

Page 78: ...is less than 100 mV Note the reading for use in part e d Set the Trigger SOURCE switch to CH 1 e ADJUST Trig Offset Bal R338 so that the voltage reading is the same as that obtained in part c f Set the Trigger SOURCE switch to CH 2 g Repeat parts c through f until there is 1 mV or less difference in the voltmeter readings between the CH 1 and CH 2 positions of the Trigger SOURCE switch h Disconnec...

Page 79: ...tch to 50 mV d CHECK Stable display can be obtained by adjusting the Trigger LEVEL control for each switch combination given in Table 5 6 Ensure that the TRIG D READY LED comes on when triggered Table 5 6 Switch Combinations for Triggering Checks Trigger MODE Trigger SLOPE NORM Positive r NORM Negative v_ P P AUTO Negative _ P P AUTO Positive J e Move the cable from the CH 1 o r X input con nector...

Page 80: ... H I Positive b Connect 50 mV standard amplitude Signal from the calibration generator via a 50 0 coaxial cable to the CH 1 or X input connector c Adjust the Trigger LEVEL control to obtain a stable display d Set Channel 1 AC GND DC GND Trigger MODE SGLSWP b Set the leveled sine wave generator to pro duce a 50 kHz 6 4 division display c Position the waveform equally about the center horizontal gra...

Page 81: ...tude signal from the calibration generator via dual input coupler to the CH 1 oft X and EXT INPUT o r Z connectors NOTE The INTENSITY level may need adjustment to view the Intensity modulation on the dis played waveform b CHECK For noticeable intensity modulation The positive part of the sine wave should be of lower intensity than the negative part c Disconnect the test equipment from the instrume...

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Page 83: ...al containers or on a metal rail Label any package that contains static sensitive components or assemblies 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these components Servicing static sensitive components or assemblies should be performed only at a static free work station by qualified service personnel 4 Nothing capable of generating ...

Page 84: ...damage protection for the front panel and crt Whenever the instrument is stored or is being trans ported the front cover should be used k AAAAAAIVV CAUTION I vvvw vw v Do not use chemical cleaning agents that might damage the plastics used in this instru ment Use a nonresidue type cleaner pre ferably isopropyl alcohol or a solution of 1 mild detergent with 99 water Before using any other type of c...

Page 85: ...ems bent pins broken or frayed cables and damaged connectors Replace damaged or missing items frayed cables and defective parts INSPECTION inspect the internal portions of the instrument for damage and wear using Table 6 3 as a guide Deficiencies found should be repaired immediately The corrective procedure for most visible defects is obvious however particular eare must be taken if heat damaged c...

Page 86: ...nductor per formance is actual operation in the instrument PERIODIC READJUSTMENT To ensure accurate measurerrienfs check the performance of this instrument every 2000 hours of operation or if used infrequently once each year In addition replacement of components may ne cessitate readjustment of the affected circuits Complete performance check and adjustment in structions are given in Sections 4 an...

Page 87: ...ams sec tion on the back of a foldout page preceding the first schematic diagram s to which it relates The locations of waveform test points are marked on the circuit board illustrations with hexagonal outlined numbers corresponding to the waveform numbers on both the schematic diagram and the waveform illustrations Also provided in the Diagrams section is an illus tration of the bottom side of th...

Page 88: ...CODE The cathode end of each glass encased diode is indicated by either a stripe a series of stripes or a dot For most diodes marked with a series of stripes the color combination of the stripes identifies three digits of the Tektronix Part Number using the resistor color code system The cathode and anode ends of a metal encased diode may be identified by the diode symbol marked on its body Semico...

Page 89: ...ore that one circuit first check the power supplies then check the affected circuits by taking voltage and waveform readings Check first for the correct output voltage of each individual supply These voltages are measured between the power supply test points and ground see the associated circuit board illustration and Table 6 5 Voltage levels may be measured either with a DMM or with an oscillosco...

Page 90: ...miconductors observe the static sensitivity precautions located at the beginning of this section TRANSISTORS A good check of a transistor is actual performance under operating conditions A transistor can most effectively be checked by substi tuting a known good component However be sure that circuit conditions are not such that a replace ment transistor might also be damaged If substitute transist...

Page 91: ...p provides a convenient means of clipping a test probe to an 1C When checking a diode do not use en ohm meter scale that has a high internal current High current may damage a diode Checks on diodes can be performed in much the same manner as those on transistor emitter to base junctions DIODES A diode can be checked for either an open or a shorted condition by measuring the RESISTORS Check resisto...

Page 92: ...Parts list for the proper value rating tolerance and description NOTE Physical size and shape of a component may affect instrument performance particularly at high frequencies Always use direct replacement components unless it is known that a substitute will not degrade instrument performance Special Parts In addition to the standard electronic com ponents some special parts are used in the instru...

Page 93: ...s is inserted into the multipin connector while the other end is soldered to the circuit board The ribbon cable to the multipin connector can be removed or installed by pressing down on the release bar of the cwhector as shown in Figure 6 1 To remove the ribbon cable pull it straight out from the connector to install the ribbon cable insert the bare wires up to the insulation into the connector Re...

Page 94: ...d re move the leads from the circuit board one at a time If the device must be removed intact for possible reinstallation do not heat adjacent conductors con secutively Apply heat to pins at alternate sides and ends of the 1C as solder is removed Allow a moment for the circuit board to cool before proceeding to the next pin SOLDERING TECHNIQUES The reliability and accuracy of this instrument can b...

Page 95: ...e circuit board so that the replacement component is positioned the same as the original component Most components should be firmly seated against the circuit board 5 Touch the soldering iron to the connection and apply enough solder to make a firm solder joint Do not move the component while the solder hardens 6 Cut off any excess lead protruding through the circuit board if not clipped to the co...

Page 96: ...t shield through the instrument front panel Place the eft in a safe place until it is reinstalled If the plastic ert corner pads fall out save them for reinstallation NOTE When installing the ert into the instrument reinstall any loose plastic ert corner pads that are out of place Ensure alt ert pins are straight and that the indexing keys on the ert base socket and shield are aligned Ensure that ...

Page 97: ...e straps from the Front Panel circuit board that comes from the Attenuator circuit board 2 Place the instrument down normal position and use a 1 16 inch hex wrench to loosen the set screws on the CH 1 VOLTS DIV CH 2 VOLTS DIV and SEC DIV Variable knobs 3 Remove CH 1 VOLTS DIV CH 2 VOLTS DIV and SEC DIV Variable knobs and switch knobs from the instrument 4 Disconnect the following cables from the T...

Page 98: ... edge of Main circuit board noting their locations for reinstallation reference J1 42 43 J5 and 46 7 Remove the five screws that secure the Front Panel circuit board to the front chassis noting their respective positions 8 Remove the Front Panel circuit board from the front chassis taking care not to lose the slider switch covers To reinstall the Front Panel circuit board per form the reverse of t...

Page 99: ...screws from the middle of the Main circuit board that secures the Timebase Attenuator post spacers and inner chassis to the Main circuit board 14 Remove three screws and two nuts that se cure the Main circuit board and Timebase Attenuator spacer post to the left side of the chassis frame 15 Remove three screws and nuts that secure the Main circuit board to the right side of the chassis frame 16 Pu...

Page 100: ...i ...

Page 101: ... Option IK is specified a K212 Portable Instrument Cart is included in the shipment The cart provides a stable movable platform that is well suited for on site instrument mobility OPTION 1R When the oscilloscope is ordered with Option 1R it is shipped in a configuration that permits easy installation into virtually any 19 inch wide electronic equipment rack All hardware is supplied for mounting th...

Page 102: ...ut power cord options is provided in Section 1 Preparation for Use OPTIONAL ACCESSORIES Table 7 2 lists recommended optional acces sories for your instrument Table 7 1 International Power Cords and Fuses Description Part Number Option A1 Europe Power Cord 2 5 m 181 0104 06 Fuse 0 5 A 250 V 3AG W x IVk Slow 159 0032 00 Option A2 United Kingdom Power Cord 2 5 m 161 0104 07 Fuse 0 5 A 250 V 3AG VV x ...

Page 103: ...rnative Power Cords Standard United States 161 0104 00 European 020 0859 00 United Kingdom 020 0860 00 Australian 020 0861 00 North American 020 0862 00 Swiss 020 0863 00 Attenuator Voltage Probes 10X Standard P6103 10X Subminiature P6130 1X 10X Environmental P6Q08 1X 10X Selectable P6062B 100X High Voltage 1000X High Voltage P6009 P6015 Current Probes P6021 P6022 A63Q2 AM503 A6303 AM503 Current P...

Page 104: ...DARD ACCESSORIES Each instrument is shipped with the following standard accessories Quantity Description Part Number 2 IX Signal Adapters 103 0275 00 1 Operator s Manual 070 6717 00 1 Standard United States Power Cord 2 5 m 161 0230 01 1 Fuse 0 75 A 25 V 3AG 1 4 x 1 1 4 slow 159 0042 00 1 Fuse 0 5 A 250 V 3AG 1 4 x 1 1 4 slow For optional power cord and fuse see Table 7 1 159 0032 00 1 Power Cord ...

Page 105: ...mbly nurnber C ircuitnumber Read Resistor 1234 ot Assembly 23 Exam ple b A23A2R1234 component number A23 A2 R1234 Assembly number Subassembly number __ X Circuit number Only the circuit number w ill appear on the diagrams and circuit board illustrations Each diagram and circuit board illustration is clearly marked with the assembly number Assembly numbers are also marked on the mechanical exploded...

Page 106: ...o 4539 LYN C H B U R G VA 24502 4535 19701 MEPCQ CENTRWJ A N O R TH AMERICAN PHILIPS C O MINERAL W ELLS AIRPORT TO B O X 760 MINERAL W ELLS TX 76067 0760 24546 CORNING GLASS W O R K S 550 HIGH ST BRADFORD PA 16701 3737 31918 ITT SCHAfXlW INC 8081 W ALLACE RD EDEN PRAIRIE NN 55344 2224 32997 B O U R N S INC 1200 COLUMBIA AVE RIVERSIDE C A 92507 2114 TRIMTOT DIV 34899 FAIR RITE PRO DUCTS C O R P 1 C...

Page 107: ... TX 75085 3904 TK0900 UNITED CHEMI CON INC 9801 WHIGGINS SUITE 430 R O S E M O N T IL 60018 4704 TK O D Y A F BULGIN C O LTD BYE PA SS R O A D BARKING ESSEX E N G LA N O TK O EA A R M O N ELECTRONICS HERO N HOUSE 1 S W EPB LY HILL R O A D W E M B LY MIDDX EN G LA N D TROD C O M PO N EN TS B U R EA U UNIT 4 135 OITTON H A Y CAM BRIDGE EN G LA N D TK O E M MOLEX ELECTRONICS MOLEX HOUSE FAKIHAM R O A...

Page 108: ...ive Dscont________Name Description______________________Code 671 0425 00 CIRCUIT BD ASSY MAIN 80009 671 0390 00 CIRCUIT 80 ASSY TIf BASE ATTEN 80009 671 0392 00 CIRCUIT 80 ASSY FRONT PAHEl 80009 A4 671 0391 00 CIRCUIT HI ASSY HA1N INPUT 800 M fr Part No 671 0425 00 671 0390 00 871 0392 00 671 0391 00 8 4 REV JAfi 1990 ...

Page 109: ...VAR PLASTIC 0 25 1 5PF 60W 52769 ER 530 013 A1C245 281 0775 01 CAP FXD CER DI 0 1UF 20 5W 04222 SA105E1Q4MAA A1C246 281 0775 01 CAP FXD CER DI Q 1UF 20 50V 04222 SA105E104NAA A1C247 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 SA105E104HAA A1C248 281 0775 01 CAP FXD CER DI 0 1UF 20 5QV 04222 SA1O5E104MAA A1C320 290 0183 00 CAP FXD ELCTLT 1UF 10 35V 05397 T3228105KD35AS A1C321 290 0183 00 CAP FXD ...

Page 110: ...AA Aicaffi 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 SA105E104HAA A1C832 281 0775 01 CAP FXD CER QI 0 1UF 2Q 50V 04222 SA105E104MAA A1C834 281 0775 01 CAP FXD CER DI 0 1UF 20 50V 04222 5A105E104HAA A1C835 281 0775 01 CAP FXD CER DhO lUF 20 50V 04222 SA105E104MAA A1C845 281 0771 00 CAP FXD CER D1 22Q0PF 2Q 200V 04222 SA106E222MAA A1C847 283 0057 00 CAP FXD CER D 1 Q lUF 48O 20 a OV 04222 SR306E...

Page 111: ...30V 150MA 30V DO 35 SEMICOHD DVC DI SW SI 30V 15QHA 30V DO 35 SEMICOHD DVC DI SW SI 30V 15CWA 30V DO 35 SEMICONO DVC DI SW SI 30V 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 150MA 30V DO 35 SEMICO DVC 01 SW SI 30V 150MA 30V DO 35 SEMICO DVC OI SW SI 30V 15DMA 3OV DQ 35 SEMICO 0VC 0I SW 51 30V 150MA 30V 00 35 SEMICOND DVC DI SW SI 30V 150MA 30V DO 35 SEMICOND DVC DI SW SI 30V 150MA 30V DO 35 SEMICOND...

Page 112: ... Z i s a ta w vj w In VM V W W V3 4 O T f 4 j tn t tn tn tn tn in tn t 1 7 f i nl w n i m m m 4 m p f 0 0 0 0 s s da 0 tb ds tb g g K S s S s o r j m m m m 3 3 3 3 t i l l U t d U i U fltfllO lO P ti db to tlo 0 fs ro ro ro inj ro 0 0 ro ro r C j 3 3 v 3 S3 j4 f I 4 H g g g g g g 3 3 2 1L1H LL11 rnooo 1 IIII 3 SSEsoosoo at ss at s ts 7 ro no ro I n I n I n I n w l o o S S S rj H 3 3 3 O O r t L fO...

Page 113: ... e g 3 8 3 3 3 o i Ea b o b d S 2 a J5 55 H i i i p tn 25 2 2 2 M gg I W H H IT ft c 5 S S 5 5 5 5 5 C 5 l5 i q n Q I j H InInIn1 g i i oj 8 CO U 1 g P intn tntn i ntn mmq a rn BeoS S S I I I V 3 C9 S 57 S3 O O O O O O S 3 3 8 F 3 F F 3 f i p p p w DiQQipGIO H 3 S y 22 S2 P3 SwP3P3 o n n n n H O I H In In tn tn tn co p r 9 s 9 S11 g g g g MS d 4 3 k O T H frH cx w u i b y y S s jjf 1 7 3 W I esse ...

Page 114: ...TOR NPN S I TO 80009 151 0190 00 A1Q825 151 0190 00 TRANSISTOR NPN SI TO 92 80009 151 0190 00 A1Q829 151 0188 00 TRANSISTOR PNP SI TO 92 80009 151 0188 00 A1Q835 151 0199 00 TRANSISTOR PNP SI TO 92 80009 151 0199 00 A1Q840 151 0347 02 TRANSISTOR NPN S I TO 92 56289 CT7916 A1Q845 151 0350 00 TRANSISTOR PNP SI TO 92 04713 SPS67QQ A1Q932 151 0347 02 TRANSI5TQR NPN SI TO 92 56289 CT7916 A1Q933 151 125...

Page 115: ... 91637 OT55U6GS3R10F A1R156 321 0170 00 RES FXD FILM 576 OHM 1X 0 129W TOTO 07716 CEAO576R0F AIR 58 321 0223 00 RES FXD FILM 2 05K 0 U 0 125W TW0 19701 5033ED2KD5F A1R15S 321 0223 00 BO RXO FHfLM 2 SSK OW 1X 0 125V TWO 19701 5033ED2KD5F A1R161 307 0106 00 RES FX0 CMPSN 4 7 0M 5X 0 25W 01121 CB 4785 A1R16Z 307 0106 00 RES FXD CMPSN 4 7 0HM SX 0 25W 01121 8 47S5 A1R164 321 0223 00 RESrFXD FILM 2 05K...

Page 116: ... 4 7 0FM 57 0 25W 01121 CB 4765 A1R245 315 0222 00 RES FXD FILM 2 2K 0HM 5 0 25W 57668 NTR25J EQ2K2 A1R246 315 0620 00 RB FXD FILM 62 0H4 5X 0 25W 19701 5043CX63RO0J A1R247 315 0120 00 RES FXO FILM 12 0H4 5X 0 25W 57668 NTR25J R12 A3R248 315 0331 00 RES FXO FILM 330 0HM 5 0 25W 57668 NTR25J E330E A1R249 315 0913 00 RES FX0 FIlM 91K 0HM S O 25W 19701 5O43CX91K00J A1R250 315 0222 00 RES FXD FILM 2 2...

Page 117: ...S 1X6 FILM 98K 0H4 l 0 125tf Tt T0 19701 5043ED6K980F A1R354 315 0272 00 RBffO D fILM 2 7K GHH SX 0 2514 57658 NTR2SJ E02K7 A1R356 315 0622 00 R E S iijlL M 6 2K CWI 5 0 294 19701 5043CX6K20QJ A1R357 321 0149 00 RES F3 Fi 348 OHM IX 0 1294 TC T0 07716 CEAD348R0F A1R358 315 0101 00 RES FXD FILM 100 QHM 5X 0 25W 57668 NTR25J E 10OE A1R3S9 321 0148 00 RES FXO FILM 340 OHM 1 0 1294 TC T0 07716 CEAD340...

Page 118: ... TO L9701 5033ED1K43F A1R445 311 1550 00 RES VAR N0NW4 TRMR 2M 0HM 0 5W 32997 3352T 1 205 A1R446 311 1550 00 RES VAR NQNUR TRMR 2M OHM 0 5W 32997 3352T 1 205 A1R45G 315 0202 00 RES FXD FILM 2K 0MM S 0 25W 57668 NTR25J E 2K A1R451 315 0101 00 RES FXD F1LM 100 OHM 5 0 294 57668 NTR25J E 100E A1R480 315 0103 00 RES FXD FILM 10K OI i 5 Q 25W 19701 5043CX10K00J A1R481 311 2361 00 RES VAR N0NWW 7RMR 10K...

Page 119: ... A1R550 315 0512 00 RES FX0 FILM 5 1K OHM 535 0 234 57668 NTR25J E05K1 A1R551 315 0182 00 RES FXD FILM 1 8K Otft5 0 25W 57688 NTR25J E1K8 A1R552 315 0222 00 RES FXD FILM 2 2K 0HM 5 0 25W 57668 HTR25J E02K2 A1RS53 315 0511 00 RES fXD FILM 51D OHM 535 0 234 19701 5043CX510R0J A1R554 315 0222 00 RES FXD FILM 2 2K 0H4 5X 0 25W 57668 NTR25J E02K2 A1R555 315 0391 00 RES FXD FILM 390 0HM 5X O 25W 57668 M...

Page 120: ... i i i ri ti nu n M 2 2 S 2 sj j g tgK s N OOj Vi oin 1 rn w I g a a s s w p D D O l j S 2 2 3 3 f S S S S S M M H U S o o t s s P i S o o P K s p o o o S f S V N N O P o W 5 ie e S a iffiiRBjg tV U t fn nt n 3 r r t 52 N tii ii N s e a 75 3 O O Q L nV v V h 2 2 i O O H O P le S ie u 2 g fV J Pissii s Sop 2 P P S S g f s s S 2 B g g IE V w O S o 8 5 9 6 S s s s l S I SSgJri fS ro o a 1 c mmh B 2 g...

Page 121: ...r u t ji r i i s S i 2 S 2 S p p p s0 C E S n t n n ti rn n4 o no no no no 551 Sell iv j k oi J n S im M W 5 4 3 o o P N N S K S S i s J5i 4 O o U hr S 7 Q l p O N r O 4 U a s 3 S l l l g s s s s l S 2 g S g g s f f gorges s fe s 30 S S 3 2 2 2 2 3 3 I S S S S te w w g W i g g i g s V JujIoSS O S S o o V h p p g K S y g v s s s a a N il JfiCH 40 5 tP S i 535 h O 55 i 2 3 5 Z s S 4 e s 73 70 tgcgfS...

Page 122: ... FILM 8 ZK OW 5 0 25W 19701 5043CX8K200J A1R932 315 0822 00 RES FXD FILM 8 2K 0HM 5 0 25W 19701 5043CX8K200J A1R933 315 0241 00 RES FXD FILM 240 0HM 5X 0 25W 19701 5043CX240R0J A1R934 315 0303 00 RES FXD FILM 30K QHM 5 0 25W 19701 5Q43CX30KC0J A1R935 315 0303 00 RES FXD FILM 30KQHM S 0 25W 19701 5043CX30K00J A1R93B 315 0512 00 RES FXD FILM 5 IK OHM 55 Q 25W 57668 NTR25J EQ5K1 A1R939 315 0303 00 RE...

Page 123: ... FLOP SC RN 80009 156 0388 03 A1U550 156 0205 03 MICROCKT DGTL ECL Q UAD 2 INPUT N O R GATE 04713 MCI0102 L OR P A1U560 156 2902 00 MICROCKT LINEAR K5856 CA 3046 A1U570 156 1639 00 MICROCKT DGTL ECl DUAL D MA SLAVE F 04713 MC10H131 P O R L A1LS80 156 0853 00 MICROCKT LINEAR OPNL AMPL DUAL 04713 LM358N A1U9X0 156 0853 00 MICROCKT LI AR 0PNL AMPL DUAL 04713 LM358N A1U920 156 1126 00 MICROCKT LIICAR ...

Page 124: ...M A 07 A1W94S 131 0566 00 BUS CONDUCTOR DUMMY RES 0 094 03 X 0 225 L 24546 D M A 07 A1W951 131 0566 00 BUS CONDUCTOR DUMMY RES 0 094 00 X 0 225 L 24546 O M A 07 A1W976 131 0566 00 BUS OONDUCTOR DUMMY RE 0 Q94 00 X 0 225 L 24546 D M A 07 A1W984 131 0566 00 BUS CONDUCTOR DUMMY RES 0 094 O D X 0 225 L 24546 O M A 07 A1W985 131 0566 00 BUS C O NDUCTO R D U M M Y RES 0 094 O D X 0 225 L 24546 O M A 07 ...

Page 125: ...CAP FXO CER 01 0 1UF 20 50V 04222 SA105E10WAA A2C708 281 0756 00 CAP FXD CER DI 2 2PF 0 5PF 200V 04222 SA102A2R20AA A2C709 281 0775 01 CAP FXO CER 01 0 1UF 20 50V 04222 SA105E104MAA A2C710 281 0775 01 CAP FXD CER Bl p 1UF 2Q 50V 04222 SA105E104MAA A2C712 290 1153 00 CAP FXD ELCTLT 47UF 50 10 10V K8996 030 24479 A2C713 290 1153 00 CAP FXD ELCTLT 47UF 50 l K 10V mm 030 24479 A2C715 290 1153 00 CAP F...

Page 126: ...0HH 5X 0 25M 57668 MR25J E 100E A2R37 315 0102 00 RES FXD FILM IK OHM 5X 0 25W 17068 NTR25JE01K0 A2R38 321 0144 00 RES FXD FILM 3Q9 0HH 1 0 125W TC T0 07716 CEAD309ROF A2R39 315 0242 00 RES FXD FILM 2 4K 0HM 5 0 25W 57668 NTR25J EQ2K4 A2R41 321 0154 00 RES FX0 FILM 392 OHM l 0 125W TC T0 07716 CEAD392R0F A2R42 315 0333 00 RES FXD FILM 33K 0HM 5 0 25W 57668 NTR25J E33K0 A2R53 315 0330 00 RES FXD FI...

Page 127: ...K1450 GF06UT 2K A2R745 315 0681 00 RES FX0 FILM 680 0HM 5 Q 25W 57668 NTR25J E680E A2R756 315 0203 00 RES FXD FILM 20K OH4 5 0 2SW 57668 NTR25J E 20K mm 321 0272 00 RB FX0 FILM 6 65K OffU 0 125W TC T0 19701 5043ED6K650F mm 321 0207 00 RES FXD FILM 1 40K OFM 1 0 125W TC TO 19701 5Q3301KAOOF A2R761 321 0240 00 RES FXD FILM 3 Q9K 0ffl l O 125W TC T0 07716 CEAD3Q900F A2R762 321 0240 00 RB FXD FILM 3 Q...

Page 128: ...A2W752 Tektronix Serial ftssartjly to Kfr Part Wo _____ Effective Dscont Hare Description Coda H fr Part Mb 131 0566 00 BUS COIffiUCTOR D U M M Y RES O 094 0D X 0 225 L 24546 0MA 07 131 0566 00 BUS W WJCT K DUMMY RES 0 094 0D X 0 225 L 24546 D M A 07 8 22 REV JAN 1990 ...

Page 129: ...0HM SX 0 25W 57668 NTR25J E620E A3R376 315 0101 00 RES FXD FILM 100 OW 5 0 25W 57668 MTR25J E 100E A3R377 315 0394 00 R S FXD FILM 390K 0HM 5 0 25M 57668 NTR25J E390K A3R378 315 0433 00 RES FXD FILM 43K 0HM 5X 0 25W 19701 5O43CX43K0OJ A3R379 315 0470 00 RES FX0 FILM 47 OHM 5 0 29V 57668 NTR25J E47EO A3R383 315 0564 00 RES FXO FILM 560K 0HH SC 0 2SU 19701 5O43CX560KQJ A3R426 311 2368 00 RES VAR NQN...

Page 130: ...C 6A CICr B O MT TIS00Y A4L901 108 1375 00 COIL RF FXD 82UH 1A TK O Q A A4L902 108 1375 00 COIL RE FXD 8214 1A mooA A4PSQ2 PART OF T901 A4Q90Q 151 0350 00 TRANSI5T0R PNP SI TO 92 04713 A4R902 315 0473 00 RES FXD FILM 47K 0HM S 0 25W 57668 A4R9Q3 315 0243 00 RES FXD FMM 24I OHM SX 0 25W 57668 A4R904 315 0562 0 RES FXDfFItM 5 84 0HM S 0 25W 57868 A4R905 315 0104 0 RES FXD FILM 1QQK 0HM 5 0 25W 57668...

Page 131: ... 00 TERM FEEDTHRU 0 658 MX 0 75 0IA BRS AU P L KQ491 001 1401 041140P R1 315 0470 00 RES FXO FILM 47 0HM 5K 0 25W 57668 NTR25J E47E0 RSI 315 0470 00 RES FXD FILM 47 0W 5 0 25W 57668 NTR25J E47E0 R3S2 315 0470 00 RES FXD FILM 47 0HM SS 0 25W 57668 NTR25J E47E0 R893 311 2357 00 HKIOIOO HK11183 RES VAR f MA PNL 2 2M 0HM 20 0 25W T K O O C ORDER BY DESCR R893 311 2444 00 HO U84 RES VAR tK IMrf TRMR 2 ...

Page 132: ......

Page 133: ...182 6G SL R540 5 6 SL C247 5N 8K R103 38 1H R183 6H 4K B541 6 6 SK C248 4N 9K R104 2C 2H R185 106 3K R544 BE SK C536 6F 6K RIOS 3C 1H R186 8 6 2K R54S 6E 6K C537 9N 6K R10B 2C 1H R1S5 6H 4L R547 5F 6K 0538 5F 5L R108 SB 1H R1S2 BJ 2J RS48 SF 6K C539 7F 5K R109 2B 1H R193 8H 3K R548 56 8K CS40 9M 3J R114 2E 2H R194 8H 2J R561 5D sc CS45 6E 6L m is 3E 1H R1S5 10J 3K R566 5D 5K C547 5F 8K R116 1C 2H ...

Page 134: ...337 6L ZE 8427 80 38 U33SO 4L 2E CR417 70 4B 8338 6K 2E R428 8D 38 U335E a 2E CR431 80 3C 8339 3K 3D 8429 7C 38 U335F 4K 2E CR450 30 3C R340 3L 3E 8430 BC 4A mm 1M 2E CB4S1 40 3C 8343 SL 3D 8431 1L sc U380A 3H 3C CR452 48 38 R344 4J 3E R432 fiD 48 U3808 3M 3C R350 2K 3D 8433 90 48 LB80C 33 3C J3 SB 128 R351 3J 30 R43S 70 3C U380D 23 3C R352 Zi 30 8441 40 3E U380E 80 3C 0370 4C 2A 83S3 33 30 8442 4...

Page 135: ...WAVEFORMS FOR DIAGRAM 4 WAVEFORMS FOR DIAGRAM 4 2205 Service s AC Waveforms for 4E through 4N VOLTS DIV 0 1 V AC GND DC AC SEC DIV S s Input signal 4 division 50 kHz reference sine wave S716 31 ...

Page 136: ...ships Following is an example of the indentation sys tem used inthedescriptioncolumn 1 2 3 4 5 Nam e Description Assembly and or Component Attaching parts for Assembly and or Component END ATTACHING PARTS QetaU Part o f Assembly and or Component Attaching parts for Detail Part END ATTACHING PARTS Parts o f Detail Part Attaching parts for Parts o f Data Part END ATTACHING PARTS ITEM NAME In the Par...

Page 137: ...21 V BIG B EAVER RD TROY MI 48098 83486 oKLtK LtNlrWL U1V ELCO INDUSTRIES INC 1101 SA M UELSO N R D R O C K FO R D IL 61101 86113 MICRDOOT M FG INC CENTRAL SCREV KEENE OIV 149 EM ERALD ST KEENE NH 03431 3628 93907 TEXTRON INC C A M C A R DIV 600 18TH AVE R O C K FO R D I I 61108 5181 K1935 JERMIN DISTRIBUTION VESTRY ESTATE QTFORD R O A D wmms KENT EN G LA N D K2504 R S C O M PO N EN TS LTD P O B O...

Page 138: ...DIAL CONTROL 32W4 X 3 75MM MKD 2 X LINES TKOEJ ORDER BY DESCR 14 15 16 366 0635 00 2 1 3 PUSH BUTT0N GRAY 4 45MM X 7 75MM X TERM FEEDTHRU SEE J590 REPL CONN RCPT ELEC BNC FEM ALE SEE J100 J151 J300 REPL TKOEJ ORDER BY DESCR 17 210 0255 00 3 TERMINAL LU6 0 391 ID LOCKING BRS C O P L 12327 O R D ER BY DESCR 18 386 5483 00 1 SUBPANEL FRONT TKOEJ O RDER BY DESCR 19 333 3565 00 1 PANEL FRONT 80009 333 ...

Page 139: ...G SHAFT RGD W 213 0153 00 TKDEC ORDER BY DESCR 17 384 1714 00 1 EXTENSION SHAFT I33MM L X 2M M OO SST 80009 384 17l4 18 1 CIRCUIT 80 ASSY FRONT PANEL SEE A3 REPL A TTJU U ITM Q 19 211 0305 00 6 Ail 1WluilUrfPHllJ SCR ASSEM WSW 4 40 X 0 437 PNH STL CD PL 01536 ORDER BY DESCR END ATTACHING PARTS 20 337 3365 00 1 SHIELO ELEC ATTENUATOR TKDEO ORDER BY DESCR ATTACHING PARTS 21 211 0730 00 3 SCR ASSEH W...

Page 140: ...PARTS 48 3 TRANSISTOR SEE A1Q933 Q942 Q946 REPL PARTS 49 211 0305 00 3 SCRiASSai WSHR 4 40 X 0 437 PNH STL CD PL 01536 OR D ER BY DESCR 50 210 0886 00 3 NWTiPL ASSB MA 4 40 X 0 25 STL CO PL 78189 211 041800 00 END ATTACHING PARTS 51 342 0829 00 3 INSULATOR PLATE TRANSISTOR SIL PAD TKDET ORDER BY OESCR 342 0804 00 3 fNSULAIQR W SHR 5 6M M 00 X 3 0MM ID X 1 6MK 80009 342 0804 00 52 214 4112 00 t mj ...

Page 141: ...P O N E N T KIT AUSTRALIAN 80009 020 0861 00 020 1686 00 HK10500 1 C O M P O N E N T KIT AUSTRALIAN P W R C O R D ASSY 80009 020 1686 01 7 161 0104 05 1 CABLE ASSY PWR 3 18 AWG 240V 98 0 L OPTION A3 ONLY S3109 O RDER B Y DESCR 020 0862 00 HK10100 HK10499 1 C O M P O N E N T KIT NORTH AMERICAN 80009 020 0862 00 020 1687 00 HK10500 1 C O M P O N E N T KIT NORTH AMERICAN P W R C O R D A S 80009 020 1...

Page 142: ...PIG 3 ACCESSORIES QO t Q 2205 Service ...

Page 143: ...CE STATUS MAY 8 1988 C1 0588 Effective FEB 15 1989 M67537 Effective FEB 20 1989 M67538 Effective MAY 2 1989 M68110 Effective JAN 20 1990 M67539 Effective FEB 2 1990 C1 0290 Effective MAR 20 1990 C2 0390 Effective AUG 23 1991 M73789 REV Effective FEB 5 1992 C3 0292 Effective JUL23 1992 M77514 Effective JUL23 1992 M74107 Effective FEB 10 1993 M75549 REV Effective Page 1 of 1 ...

Page 144: ...GRAM CHANGES DIAGRAM VERTICAL PREAMP OUTPUT AMPLIFIER Change the voltage for the ON condition at pin 3 of U225 location 8K to 5 0V DIAGRAM SWEEP GENERATOR HORIZONTAL AMPLIFIER At the Collector of Q780 location 3L remove the voltage level of 14 4V from the circuit The correct voltage level is 6 2V DIAGRAM POWER SUPPLY Z AXIS CRT At transistors Q941 and Q945 location 7J remove the connection shown b...

Page 145: ...PARTS LIST CHANGES ADD A2CR14 151 0141 02 HK10100 SEMICOND DVC Dt SW SI 30V 150MA 30V DO 35 A2CR64 151 0141 02 HK10100 SEMICOND DVC DI SW SI 30V 150MA 30V DO 35 REPLACEABLE MECHANICAL PARTS LIST CHANGES CHANGE TO 2 9 337 3468 01 HK10500 1 SHIELD CRT DIAGRAM CHANGES DIAGRAM VERTICAL ATTENUATORS Add diodes CR14 and CR64 to pins 2 and 3 of U30 and U80 respectively as shown with the partial schematics...

Page 146: ...MANUAL CHANGE INFORMATION Product 2205 SERVICE Date 2 15 89 Change Reference M67537 DESCRIPTION Product Group 46 DIAGRAM CHANGES cont DIAGRAM VERTICAL ATTENUATORS cont Page 2 of 2 ...

Page 147: ...K10500 4 NUT PLAIN HEX 8 32 X0 312 BRS CD PL STANDARD ACCESSORIES Replace the power cord kits Options A1 through A5 as follows Replace With 020 0859 00 020 1684 00 Option A1 020 0860 00 020 1685 00 Option A2 020 0861 00 020 1686 00 Option A3 020 0862 00 020 1687 00 Option A4 020 0863 00 020 1688 00 Option A5 The new power cord kits contain the following accessories a Appropriate Power Cord b 159 0...

Page 148: ...i 4 ...

Page 149: ...____________________ Product Group 46 EFFECTIVE SERIAL NUMBER HK11184 REPLACEABLE ELECTRICAL PARTS UST CHANGES CHASSISPA R TS CHANGE TO R893 311 2444 00 RES VAR NONWW TRMR 2 2M OHM 30 REPLACEABLE MECHANICAL PARTS LIST CHANGES REMOVE Fig Index________ Part Number________ Oty_________ Name Description________________ _ 2 26 384 1710 00 1 EXTENSION SHAFT 13MM X 7MM OD W STEP 4MM ID Page 1 of 1 ...

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Page 151: ...umber_________ Qty__________ Name Description_______________ 342 0804 00 3 211 0305 00 6 ADD 211 1178 00 3 Washer shoulder u w TO 220 transistor 211 0304 00 6 4 40 X 312 pan head T9 torx NOTE To keepthe vertical output transistorscooladdathin layerofthermalgrease0249therm alloy 006 2655 00 on the cases of vertical output transistors Q 236 0237 0238 0239andonbothsidesofthew hitew asher w hichISpart...

Page 152: ...E92 276 0752 00 E93 276 0752 00 CHANGE TO L93 R97 307 0106 00 RESISTOR FIXED 4 7 0 5 1 4W L96 R96 307 0106 00 RESISTOR FIXED 4 7 0 5 1 4W E90 R92 307 0106 00 RESISTOR FIXED 4 70 5 1 4W E91 R93 307 0106 00 RESISTOR FIXED 4 7 0 5 1 4W E92 R94 307 0106 00 RESISTOR FIXED 4 7 ft 5 1 4W E93 R95 307 0106 00 RESISTOR FIXED 4 7 ft 5 1 4W L712 W712 131 0566 03 DUMMYRESISTOR L713 W713 131 0566 03 DUMMY RESIS...

Page 153: ...TICAL ATTENUATORS Orange the value and circuit number of L93 location 7B to R97 4 7 XL Changethe value and circuit numberof L96 location 7B to R964 7 1 Change the value and circuit number of E9Q location 8B to R92 4 7 XL Change the value and circuit number of E91 location 7B to R93 4 7 XI Change the value and circuit number of E92 location 8B to R94 4 7 XI Change the value and circuit numberof E93...

Page 154: ...s ...

Page 155: ...ONS AND ACCESSORIES Page 7 1 Option 23 Two P6119 1X 1 OX Selectable attenuation Probes Page 7 2 Option 23 TWo P61191X 10X Selectable attenuation Probes are provided In place of the standard P610310X Probes Page 7 3 Table 7 2 Optional Accessories Description Part Number Attenuator Voltage Probes 10X Standard P6103 10X Submininature P6130 10X Environmental P6008 1X 10X Selectable P6119 100X High Vol...

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Page 157: ...n thefirst timemarkerthat is 40ns beyondthe startof the sweep with the second vertical graticule line PAGE 4 7 CHANGE Step 1 parti i CHECK Timing accuracy is within 4 0 32division atthetenthvertical graticule line andlinear ity is within 10 0 2 division over any 2 of the center 8 divisions Exclude any portion of the sweep past the 50th magnified division PAGE 5 14 CHANGE Step 8 parts e I and j e C...

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Page 159: ...st oscilloscope VERTICAL MODE to CHI CHI to 1V DIV X10 probe or 10V DIV XI probe DC Coupled HORIZONTAL MODE to XI 5ms DIV TRIGGER MODE to P P AUTO CHI SOURCE e Monitor the waveform atW951 via XI orXIO probe The period ofthe waveform will be approximately 3 divisions or 15p s f ADJUST R998 SW FREQ ADJ until the period of the waveform is 4 8 divisions or 24 is g CHECK Period of the waveform is withi...

Page 160: ...uct Group 46 DIAGRAM CHANGES DIAGRAM POWER SUPPLY Remove C932 location 5E and add A6 Frequency Stabili2ing Circuit Board to power supply Connect J901 1 to hole where C932 was previously installed Connect J901 2 to hole ground where C932 was previously installed on A1 Connect W301 to U930 pin 5 location 7F ...

Page 161: ...51712 RES FXD FILM 1 IK OHM 5 0 25W M70018 A1R432 315 0104 00 HK54142 RES FXD FILM 100K OHM 5 0 25W M70967 A1R445 311 2470 00 HK52626 RES VAR NONWW TRMR 470K OHM 0 5 W M70276 A1R446 311 2470 00 HK52626 RES VAR NONWW TRMR 470K OHM 0 5 W M70276 A2R740 321 0270 00 HK51241 RES FXD FILM 6 34K OHM 1 0 125W M70017 REPLACEABLE MECHANICAL PARTS LIST CHANGES Rg Index Tektronix No Part No Serial Number Effec...

Page 162: ...MANUAL CHANGE INFORMATION Product 2205 SERVICE MANUAL Date 2 5 9 2 Change Reference C3 0292 DESCRIPTION Product Group46 Partial Figure 2 Exploded View Page 2 of 3 ...

Page 163: ... resistor R145 location 2J to 1 kQ Change the nominal value of variable resistor R195 location 10J to 1 kQ DIAGRAM E TRIGGER Change the value of resistor R368 location 4C to 1 1 kQ Change the value ofvariable resistor R445 location 7C to 470 kQ Change the value ofvariable resistor R446 location 8C to 470 kQ Change the value of resistor R432 location 9D to 100 kQ DIAGRAM SWEEP GENERATOR V HORIZONTA...

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Page 165: ...ON Date 7 2 3 9 2 Change Reference M77514_______ _________________ ManualPart Number 070 6716 00 DESCRIPTION Product Group 46 EFFECTIVE SERIAL NUMBER HK10001 REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE TO F901 159 0301 0 0 FUSE CARTRIDGE 0 75A 250V SLOWBLOW Page 1 of 1 ...

Page 166: ...f ...

Page 167: ..._________ ManualPart Number 070 6716 00 EFFECTIVE SERIAL NUMBER HK61981 REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE TO A4S901 260 1849 00 SWITCH PUSH DPDT 4A 250VAC REPLACEABLE MECHANICAL PARTS LIST CHANGES Fig Index No Part No ______________Qtjr________ NAME DESCRIPTION_________________ REMOVE 2 200 2735 00 1 COVER POWERSW BLACK POLYCARBONATE Page 1 of 1 ...

Page 168: ......

Page 169: ...K58740 HK61954 HK61981 HK62321 HK62331 Above REPLACEABLE ELECTRICAL PARTS LIST CHANGES CHANGE TO Comp Tektronix Part No Description A2 671 0390 01 A2S701 260 2408 01 CIRCUIT BOARDASSY TIMEBASE ATTEN INCLUDESA2R721 REPLACEABLE MECHANICAL PARTS LIST CHANGES Fig Index Tektronix No Part No Qty Description REMOVE 2 16 376 0224 01 2 17 384 1714 00 1 CPLG SHAFT RGDR W 213 0153 00 1 EXTENSION SHAFT 133MM ...

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Page 171: ...9 3 Change Reference M75549 Rev DESCRIPTION Product Group 46 DIAGRAM CHANGES DIAGRAM SWEEP GENERATOR V HORIZONTAL AMPLIFIER The new S701 has several modifications which require circuit wiring modifications These changes are illustrated with the partial schematic below Page 3 of 3 ...

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Page 177: ...sted by component number see following illustration for constructing a component number The schematic diagram and circuit board component location illustration have grids A lookup table with the grid coordinates is provided for ease of locating the component Onlythe componentsillustrated onthefacing diagram are listed in the lookup table When more than oneschematic diagram is usedtoillustratethe c...

Page 178: ...FOR INSTRUMENT BOARD LOCATION XVMOTTO SOARD DIAGRAM i t COMPONENT LOCATION TABLE NUMERAL AND LETTER AT SIGNAL LINES TO OR PROM OTHER DIAGRAMS INDICATES TOE GRID COORDINATES ON ANOTHER SCHEMATIC FOR EXAMPLE 8J H t o f ix J 4 U O Q1011f 4j ssfe Ugc O Wo P M 2 M a ts y r U iO Q lir a B Y o etWf iiJW a g j x x 1 Ji cmmJ L I B S PEl4 OOMN I CIRCUIT I 5Sf p j p n A C s s 1 T 5 i 1 X AND V I L p r A g S ...

Page 179: ...2205 Service 6716 18 Figure 9 4 Block diagram ...

Page 180: ...anceSection CO M PO NENT NUM BER EXAM PLE C om ponentN um ber Assembly Number A23 AZJU234 XT Subassembly Number Aused Schematic Circuit C hassis m ountedcom ponentshavenoA ssem blyNum ber prefix seeendofReplaceableBedrical fans Ust A3 FRONT PANEL BOARD ...

Page 181: ...6 C392 6 R113 2 S505 4 R113 6 S505 6 CR401 6 R123 2 S545 2 CR534 2 R123 6 S545 6 CR534 6 R163 2 S550 2 CR537 2 R163 6 S550 6 CR537 6 R173 2 S555 6 CR538 2 R173 6 S601 6 CR538 6 R365 6 R376 6 W1 2 DS370 6 R377 6 W1 4 OS560 4 R378 6 W1 6 DSS60 6 R379 6 W2 2 R383 6 W2 6 J987 6 R426 3 W3 3 R426 6 W3 6 R2 1 R726 6 W3 8 R2 6 R800 6 W5 4 R4 1 R802 6 W5 6 R4 6 R986 6 W6 4 R52 1 R987 6 W6 6 R52 6 W7 1 R54 ...

Page 182: ...MENTS SETUP To test the instrument for waveforms and voltages set the initial control settings as follows Vertical Both Channels POSITION MODE VOLTS DIV VOLTS DIV Variable AC GND DC Midrange CH 1 NORM 5 mV CAL detent GND Test equipment in Table 4 1 in the Performance Check Procedure Section 4 of this manual meets the required specifications for testing this instrument POWER SUPPLY ISOLATION PROCED...

Page 183: ...ER PARTS CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER J100 1 P902 7 R51 6 J100 6 P906 7 R382 6 J151 1 P910 7 R983 7 J151 6 J300 6 R1 1 T901 7 J590 4 R1 6 R51 1 V900 7 ...

Page 184: ...U f fi AT5I C I oooooooooooo JOG i OOOOOOOOOOOO i ig o gESSSSi i I CC703 6716 21 O _ i Figure 9 7 A2 Timebase Attenuator board Static Sensitive Devices SeeM aintenanceSection CO M PO N EN T NUMBER EXAM PLE C om ponentN um ber Assembly Number A23A2 R1234 JSubassembly Number fit used Schematic Circuit Chassis m ountedcomponentshavenoAssem blyNumber prefix see endat Replaceable Electrical Puts List 0...

Page 185: ... 5 C95 1 L93 1 R73 1 R765 5 C96 1 L96 T R78 1 R766 5 C97 1 L712 5 R79 1 R767 S C98 1 L712 8 R80 1 R768 S C701 5 L713 5 R81 1 R769 5 C702 5 L713 8 R82 1 R770 5 C703 5 R83 1 R771 5 C704 5 Q13 1 R85 1 R772 5 C705 5 Q14 1 R86 1 R773 5 C706 5 Q63 1 R87 1 R774 5 C708 5 Q64 1 R88 1 R777 5 C709 5 Q701 5 R91 1 R780 5 C710 5 Q704 5 R701 5 R782 5 C712 5 Q706 5 R702 5 C713 5 Q725 5 R703 5 S701 5 C715 5 Q732 5...

Page 186: ...083 7B IB Q14 2E 4B R41 4H 3B U30 10 38 C94 70 IB 063A 5F 4 0 R42 40 2B U80 50 3C 086 7 0 10 Q63B 5F 4 0 R53 6C 5D U83A 5H 2B C86 88 IB 064 5E 4 0 R56 50 4D U83B 5H 2B C87 80 IB R56 6E 40 U83C 2H 2B C88 80 1C R3 20 6B R83 4F 50 U83D 2H 2B R5 2D 4B R64 5F 40 U83E 4K 28 E80 70 IB R6 2E 4B PartialA2alsoshownon diagrams5 0 and8 ASSEMBLY A3 CIRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD CIRCUIT SCHEM BOARD CI...

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Page 188: ...r 4 r 2 1 1 8432 1 U 4 1 8 r t s U3B0 TS m f i o r T JS S j rl R396 t w a o r A i 5 C3 0 4 t4Mi l C320 r V 6 3 R161 t S j 1 3 T 1 v i M s j i i i p f l T i a 4 j s i r 540 Stittio J s 9 6 7 4 eH J S 9573 i v r 2 j sso ij us7o C i w o o t J its s s s i w o u v R5Z6 j V i C52S RS76J t iV T jg j RSZ fR 572 r 95 52 r fiBflUk 9 wVCRBBtf rfl508 t 9 f S t t V 1 PB ___ 520 t gg R581 1S87 H ga 7 4_ S86 R88...

Page 189: ...Q536 4 R168 2 R311 3 C322 3 C946 7 CR986 7 Q770 5 R169 2 R311 8 C380 3 C952 7 CR987 7 0775 5 R170 2 R312 3 C381 3 C974 7 CR988 7 0776 5 R171 2 R312 8 C387 3 C976 7 CR989 7 0779 5 R172 2 R316 3 C389 3 C979 7 CR990 7 0760 5 R174 2 R317 3 C401 3 C980 7 CR991 7 0765 5 R175 2 R318 3 C402 3 CS82 7 Q789 5 R176 2 R319 3 C408 3 C983 7 08856 7 0804 7 R177 2 R320 3 C418 3 C984 7 OS858 7 0817 7 R180 2 R322 3 ...

Page 190: ... R980 7 W30 2 R416 3 RS25 4 R775 5 R875 7 R981 7 W90 2 R417 3 R526 4 R776 S R888 7 R982 7 W90 7 R418 3 R530 4 R778 5 R889 7 R983 7 W90 8 R419 3 R53Y 4 R779 6 R890 7 R984 7 W224 2 R426 3 R532 3 R780 5 R691 7 R988 7 W225 2 R427 3 R532 4 R 7B 1 5 R892 7 R986 7 W500 4 R428 3 R533 4 R783 5 R894 7 R967 7 W590 4 R429 3 R534 4 R784 5 R899 7 R988 7 W701 4 R430 3 R53S 4 R785 5 R900 7 R989 7 W755 5 R431 3 RS...

Page 191: ...L y____ K____ j _____J i y_____E____j _____E _____D____j _____C ____ B____j _____fl 220 J ...

Page 192: ...WAVEFORMS FOR DIAGRAM 2 AC Waveforms VERTICAL MODE BOTH andCHOP ...

Page 193: ...WAVEFORMS FOR DIAGRAM 3 AC Waveforms VOLTS DIV 0 1 V AC GND DC AC SEC DIV 5m Input signal 4 division 50 KHz reference sine wave ...

Page 194: ...H R622 4F S 3 R570 70 43 U560B OK 5H RS23 4D SH R57B 6E 6K U S O O O IE 6H CR621 4C SH R624 60 6K R661 70 4H U500E SC SH CR530 2D 40 R525 70 43 R662 68 5H U57QA 7E 43 CR540 2D O H R526 70 43 R563 88 SH U57DB 00 43 CR571 4L SO R630 60 53 R584 7B 40 U570 13 43 CR584 7B 40 R531 3D 6K R585 73 4H U58QA 73 4H CR686 7K 4H RS32 30 63 R586 7K 4H US60B 7B 4H CRS88 7L 40 R633 3H 63 R567 7K 4H R634 43 5K R566...

Page 195: ... 1H IF R722 7F ID R769 8H 2F C7G2 7B 4E R723 7F ID R770 8H 2F 6703 46 5F L712 IB 1C R724 7L 2F R771 83 IF C704 40 5F L713 IB 1C R725 6M 3F R772 63 IF 0705 4D 5F R726 2F 3F R773 8J 3F 0706 50 5F 0701 5B 4F R727 2F 3F R774 a IF CTOS 50 6F 0704A 6D 5F R726 3B 2 0 R777 7K IE C700 56 4E Q704B 60 56 R729 30 20 R780 7M 2F 6710 3E 5F 0706 5D 5F R732 20 10 R762 6K 2F 6712 16 1C 0725 6L 26 R733 2E 3E 6713 1...

Page 196: ...FIG 9 10 2205 Service c i i ...

Page 197: ...r SCHEM CIRCUfT SCHEM NUMBER NUMBER NUMBER NUMBER NUMBER NUM8ER C900 7 R903 7 C903 7 FS901 7 R904 7 C904 7 R905 7 C305 7 J901 7 R906 7 C907 7 J902 7 R907 7 C8901 7 L901 7 S901 7 CR902 7 L902 7 S902 7 CR903 7 CR904 7 0900 7 W903 7 F901 7 R902 7 ...

Page 198: ...87 68 2A R377 7J 2F S302 7J 3F C52 3J 40 R376 8H 2E S401 50 2F C377 8J 2E R2 U 4B R379 8H 2E 8480 4D IF C378 6H 2E R4 1J 4B R363 8K 4F S505 4K 2F 0363 7K 4E RS2 3J 4C R426 4C IF S545 2H 20 C392 7K 2F R54 3J 4C R728 7C IE S550 20 2B R64 6E 3C R800 IE 2A S555 4H 3F CR401 50 2F R89 5D 2C R6Q 2 IE 1A S801 7F 2E CR534 3F 2B R82 6C 2D R086 6E 3A CR537 30 28 R94 5C 20 R987 80 2A W1 1C 4A CR536 2E 28 R113...

Page 199: ...DIAGRAM 7 2205 Service WAVEFORMS FOR DIAGRAM 7 AC Waveforms SEC DIV 20ms 1 VOLT PER DIVISION EQUALS 1 AMP PER DIVISION FOR WAVEFORM 7F 1 VOLT PER DIVISION EQUALS 1 AMP PER DIVISION FOR WAVEFORMS 71AND 7J 6716 32 q 9 ...

Page 200: ...E C943 7J 8B R891 2J 9G R992 10M 9C C945 9H 9B P900 5L 9G R892 2J 9G R995 5K 9E C946 8J 9B P901 4L 9G R894 2J 9G C852 7E 8B P902 4L 9G R899 58 2A 7902 5K 90 C974 3E 7J P903 4L 7F R900 5B 2A C976 5J 11G R901 58 6A U910A 8F IOC C979 4J 11G 0804 3C 6G R910 8H 9B U910B 9F IOC C980 5K 10E 0817 2C 5H R911 8G IOC U920 8D lie C982 6E 10D 0818 3C 4G R912 8F IOC U930 8F 108 C983 8L 7E 0825 ID 7H R913 8F IOC...

Page 201: ...0804 OC SO F901 OB 1A ROOT 7B 1C C8Q6 SB 30 0900 88 1 D COOT 7B 1C FS0O1 OB 1A S801 OC 4C R002 7B ID 8002 60 4A CR001 7B ID J901 10B 2A R003 6C ID CR902 7B 1C JOOZ 7B 2B R904 68 ID WOOS 6B ID CROOS 7B 1C CHASSIS MOUNTED PARTS c cun r SCHEM BOARD d R c u r SCHEM BOARD cffcunr SCHEM BOARD c n c u rr SCHEM BOARD NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATIO...

Page 202: ... S J 8 6V2 3 8 6V3 3 8 6V4 3 J3 T R312 v w 5V 3 v 2 U i PARTIAL A1 MAIN BOARD PARTIAL A2 timebase attenuator board M3 1 L712 E91 0 E90 0 L713 r r w E93 h E92 0 PARTIAL A3 22V 5 8 6V3 8 6V5 8 6V6 8 6V3 5 8 6V5 8 6V6 1 8 6 V 6 8 6VJ 6 FRONT PANEL BOARD 2205 6716 40 POWER DISTRIBUTION I ...

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Page 204: ...h c u w 0 Hwwil 03 rs a f c i i s s i ig seas A c s t i l l d j SP f t CU4 V i 1 t w f B w C241 HF COMP R241 HF COMP SiSiS L Sils lC O O IO f 5 toll S v rfrrw e f to A t DO C1 s i t e s f ggfi s rww S T w iT f rh t m v v8 0 0 0 b se SiS t 1 I j 8 S 5W jb 699 0 v M O O s f a 4 t jR 7 8 0 hi Q T M P W J J s 793il n 829i g R 7 B 8 J Z lW fc m i i s i C r 6 a t i f 8 j Ss s i d 5 44 0I W I N leu1iiiB ...

Page 205: ...R145 CH 1 GAIN DIM TRIG OFFSET BAL 220S R195 CH 2 G AIN4 6716 28 Figure 9 12 Adjustment locations of A1 Main board circuit view 1 3 3 ...

Page 206: ...Figure 9 13 A2 Timebase Attenuator board adjustment locations ...

Page 207: ...C392 2205 Service R84 CH 2 INVERT BAL ...

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Page 209: ...2205 Service ...

Page 210: ... o m 2205 S e r v i c e ...

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