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Summary of Contents for 213 DMM

Page 1: ...ORM ANY SERVICING OTHER THAN THAT CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL 213 DMM OSCILLOSCOPE WITH OPTIONS SERVICE INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 070 1481 00 Product Group 40 Serial Number _ _ _ _ __ First Printing JAN 1975 Revised JUL 1989 ...

Page 2: ... NUMBERS Each instrument has a serial number on a panel insert tag or stamped on the chassis The first number or letter designates the country of manufacture The last five digits of the serial number are assigned sequentially and are unique to each instrument Those manufactured in the United States have six unique digits The country of manufacture is identified as follows 8000000 Tektronix Inc Bea...

Page 3: ... Power Line Operation Operating Temperature Operators Adjustments and Basic Displays Operators Adjustments Digital Multimeter Displays Oscilloscope Displays THEORY OF OPERATION Digital Logic Block Diagram Description Circuit Description Input Section Input Switching Voltage Coupling and Attenuation Current Shunt Resistors Ohms Converter Input Buffer Amplifier Digital Multimeter Functions Active Fi...

Page 4: ...nd Regulator Low Voltage Shutdown Circuit Low Voltage Rectifier Filter High Voltage Battery Charger Line Input Battery Charger Converter Battery Charger Regulator SECTION 4 MAINTENANCE Tektronix Field Service Preventive Maintenance Recalibration Cleaning Visual Inspection Lubrication Corrective Maintenance Obtaining Replacement Parts Soldering Techniques Component Removal and Replacement ii PAGE 3...

Page 5: ...5 1 Index to Performance Check Procedure 5 1 SECTION 6 CALIBRATION 6 1 Preliminary Information 6 1 Calibration Interval 6 1 Tektronix Field Service 6 1 Using This Procedure 6 1 Equipment Required 6 1 Special Calibration Fixtures 6 1 Calibration Equipment Alternatives 6 1 Equipment Preparation 6 3 Index to Calibration Procedure 6 3 SECTION 7 INSTRUMENT OPTIONS 7 1 SECTION 8 REPLACEABLE ELECTRICAL P...

Page 6: ...lead routing 4 5 Power Supply Board disassembly 4 6 Attenuator and Function Board disassembly 4 7 Secondary Power Supply disassembly 4 8 Power I ine fuse location 4 9 Current mA input fuse location 4 10 Terminal connector holder 4 11 Installation of extender cards 4 12 EIA color code example Section 9 figures are located near their associated diagrams on the foldout pages 9 1 9 2 9 3 9 4 9 5 9 6 9...

Page 7: ...rid locator A5 Power Supply circuit board voltage and waveform test points A4 Amplifier circuit board voltage and waveform test points Troubleshooting Chart LIST OF TABLES Digital Multimeter Electrical Specifications Oscilloscope Electrical Specifications Power Requirements Common Isolation Protection Environmental Physical Battery Charge Capacity NAND Gate Logic Chart Power Supply Operating Toler...

Page 8: ...213 Service 213 DMM Oscilloscope vi 213DMM fl 1 1481 5 ...

Page 9: ...em with calibrated deflection factors of 5 mV to 100 V division with a reduced bandwidth of de to 400 kHz on the 5 mV and 10 mV ranges Current deflection factors are 5 µA to 100 mA division from de to 400 kHz with a reduced bandwidth of de to 200 kHz on the 5 µA and 10 µAl division ranges The horizontal deflection system provides calibrated sweep rates from 0 5 s to 2 µs division with a variable s...

Page 10: ... C 10 V and 100 V Within 0 15 of reading 1 count Temp Coef is within 0 015 of reading 0 01 of full scale per C 1000 V Within 0 2 of reading 1 count Temp Coef is within 0 02 of reading 0 01 of full scale per C Settling Time 1 5 seconds for reading within 0 1 Normal Mode Rejection Ratio 60 dB at 60 Hz 3 dB at 1 Hz RMS VOLTS Temp Coef is within 0 05 of reading 0 1 of full scale per C Accuracy 20 C to...

Page 11: ...0 02 of reading 0 04 of full scale per C NOTE When operating on power line voltage add 10 C to the ambient temperature for internal heating before computing accuracy 0 1 mA Range Within 0 5 of reading 3 counts 1 mA to 1000 mA Within 0 25 of reading 3 counts SettIing Ti me 1 5 seconds for reading within 0 1 RMS CURRENT Accuracy 20 C to 30 C Temp Coef is within 0 05 of reading 0 1 of the full scale ...

Page 12: ...re for internal heating before computing accuracy 1 kn Within 0 5 of reading 3 counts Temp Coef is within 0 03 of reading 0 04 of full scale per C 10 kD to 1 Mn Within 0 5 of reading 1 count Temp Coef is within 0 02 of reading 0 02 of full scale per C 10 M Within 1 of reading 1 count Temp Coef is within 0 05 of reading 0 02 of full scale per C Accidental Voltage Input Protection 125 V max on all r...

Page 13: ...play Approximately 7 readings per second At least 200 of full scale Readout displays scrambled character segments or 8 s Indicates overrange when input signal peak 4X seJected range Indicates overrange when readout display exceed 2500 within 400 counts Indicates overrange when crest factor exceeds approximately 5 TABLE 1 2 Oscilloscope Electrical Specifications Performance Requirement VERTICAL DEF...

Page 14: ...ence centered vertically de coupled 1 Risetime 5 mV and 10 mV div 875 ns or less 20 mV to 100 V div 350 ns or less Aberrations 5 to 2 Total not to exceed 5 p p Input Resistance Voltage 10 MQ within 1 Input Shunt Resistance current Approximate 5 µA to 10 µA div 1000 n 20 µA to 100 µA div 100 n 200 µA to 1 mA div 10 2 n 2 mA to 10 mA div 1 2 n 20 mA to 100 mA div o 3 n Input Capacitance Voltage 5 mV...

Page 15: ...ss trace shift from open to shorted probe TRIGGERING 0 5 div 7 Hz to 1 MHz Same as Intl AC Norm except the sweep free runs and provides a bright reference trace when the vertical input signal is not sufficient to cause triggering 1 V de to 1 MHz 0 5 µs or less at 1 MHz 1 M Q 10 Approximately 20 pF 8 volts peak at 1 MHz or less 200 V de peak ac HORIZONTAL DEFLECTION SYSTEM 500 ms to 2 µs div Within...

Page 16: ...lls Typical Operating Time at Maximum Display Trace Intensity After Full Charge Cycle Charge and opera tion at 20 C to 30 C 3 5 hours Battery Condition Indicator Deep Discharge Protection Typical Charge Time Standard Voltage Option 1 Voltage Max Power Consumption Line Fuse 1 1 Supplemental information only 1 8 LED extinguishes when battery voltage to common drops below approximately 2 12 V within ...

Page 17: ...ument REV A MAR 1975 Common input composite de peak ac floating voltage plus 1 4 times the power line voltage not greater than 350 V peak TABLE 1 5 Environmental 15 C to 55 C 0 C to 40 C 40 C to 60 C Performance Requirement To 25 000 feet maximum operating temperature decreased by 1 C per 1 000 feet above 15 000 feet To 40 000 feet 80 or less relative humidity at 40 C or less 15 minutes along each...

Page 18: ...Description See Figure 1 1 Dimensional Drawing Approximately 3 7 lb 1 7 kg Blue plastic case gray plastic side panel I 2 10 I 53 3 mm 1 10 j i t 1 35 34 3 mm _i FRONT VIEW 213 DMM OSCILLOSCOPE 1 65 41 9 mm t 3 35 85 1 mm 9 05 229 9 mm EZ2II SIDE VIEW Figure 1 1 Dimensional Drawing l 2 95 74 1mm t 1 65 41 9 mm 1481 32 ...

Page 19: ...o the probe common clip and COMMON jack which could cause equipment damage only one should be connected to the circuit under test at any given time The probe with its common clip and the mA n input jack with its COMMON jack should not be connected simultaneously to a circuit under test Personal and equipment safety precautions are used through out this manual and are identified as follows 213 DMM ...

Page 20: ...t is connected to the power line charging power is provided to the batteries in either position of the switch INPUT COUPLING Selects method for coupling of input signal from voltage probe into input amplifier AC Signal is capacitively coupled and the de com ponent is blocked GND Connects the input amplifier to common to provide a zero reference voltage without physically disconnecting the probe fr...

Page 21: ...el to the probe lead and attach the common clip to the probe lead with the small plastic clip provided on the common clip Then snugly wrap the leads in the direction of the arrow on the vinyl cord wrap cover see Fig 2 4 When the common clip is in position to be wrapped into the bottom side of the storage slot gently press the common clip down into the slot see Fig 2 4 and continue to wrap the lead...

Page 22: ...e instrument off This pre vents excessive discharge which would result in battery damage Battery Charging To charge the batteries connect the instrument to the po wer line and allow at least 16 hours for the batteries to 2 4 reach full charge To obtain the longest operating life for the batteries the instrument should be turned on at least once a month and the batteries discharged and then re char...

Page 23: ...mpartment Potentials applied to the common connectors may cause small amounts of current to flow in the power line circuitry creating a possible shock hazard on the power plug prongs Operating lnstructions 213 Service I_ WARNING I The probe common clip and the COMMON jack are electrically connected to each other and potentials applied to one are present on the other creating a possible shock hazar...

Page 24: ...esistor and connect this combination be tween the mA Q jack and the COMMON jack with test leads The display represents the value of the de current Disconnect the de source and resistor 2 6 6 Depress the RMS pushbutton and select a VOLTS mA DIV range blue scale compatible with the amplitude of the current generated by the ac voltage source and a series current limiting resistor Connect the ac volta...

Page 25: ...ins the logic symbol and truth table for the logic device used in this instrument BLOCK DIAGRAM DESCRIPTION The following discussion is provided to aid in understanding the overall concept of the 213 DMM Oscilloscope before the individual circuits are discussed in detail Refer to the Block Diagram pullout page in the Diagrams section Signals to be displayed on the crt are applied to either voltage...

Page 26: ...out physically disconnecting the probe 3 2 to ground it In this position the input coupling capacitor C101 is precharged through R101 to ground The signal enters the attenuator section and passes through without attenuation or is attenuated by 1000 1 100 1 or 10 1 depending upon the position of the S120 switch con tacts When contact 18 is open and 16 is closed 10 1 atten uation is provided by R108...

Page 27: ...the amplifier This feedback sets the current flow through O145B 0144 and O140B As 0140 is a current mirror whatever current flows in O140B also flows in O140A thus setting the signal level at the base of 0150 One times or ten times gain is controlled by the grounded or ungrounded condition of R141 4 When grounded only 10 of the output is fed back to the inverting input giving the Buffer Amplifier ...

Page 28: ...itter base junction and feedback from O190A and O190B In this configuration the ratio of the collector current of O 194A to the collector current of O194B is the same as the ratio of the collector current of O192B to the collector current of O192A Inte grated circuit U188 is used to vary the offset voltage around the loop of 0194 and 0192 and also serves as an rms gain control The current from O19...

Page 29: ...Figure 3 4 and the schematic diagrams for the remainder of the A D Con verter description Emitter coupled multivibrator 0240 and 0245 generates a clock pulse of approximately 70 kilohertz which is applied through buffer 0247 to pin 7 of the four decade counter U260 During the count C227 is ramping in the positive direction in response to the unknown input After the coun ter reaches a count of 9999...

Page 30: ...UTPUT U260 PIN 8 U250C PIN 9 0254 U250D 12 U260 PIN 5 U250o U250C 13 8 U250D U250C 11 10 HI LO HI LO ON OFF HI LO HI LO HI LO HI LO 0 0 0 0 n I I r I I I I I r V Fig 3 4 A D Converter timing diagram 0 0 0 0 n I I r I I I I I r I I I I r I I I I L I 1481 12 ...

Page 31: ... a positive sign while about 0 7 volts positive causes a negative sign A positive 6 volts will turn the sign off In therms mode of operation when RMS pushbutton S185 is selected a positive 6 5 volts is applied through R267 and turns the sign off In the ohms mode of operation S160 applies a current to the base of 0182 which causes it to saturate and apply a positive 6 5 volts through R267 again tur...

Page 32: ...CONVERTER BUFFER AMPLI Fl ER OUTPUT CR206 INTEGRATOR 1 OUTPUT 15 V D Buffer Amplifier positive overrange is controlled by CR 157 CR158 0158 R163 and R166 while negative overrange is controlled by CR156 CR159 0159 R164 R167 and 0162 Resistors R163 R166 and R164 R167 establish the operating threshold on their respective transistors When RMS CONVERTER INPUT 5 V R204 COUNTER OUTPUT PIN 8 U260 O190A U2...

Page 33: ... 0204 OFF U250A PIN 2 HI LO U2508 PIN 5 HIV LO HI U250A PIN 3 U2508 PIN 4 LO U250A PIN 1 HI U250B PIN 6 LO ON 0256 OFF Theory of Operation 213 Service reset the overrange latch As soon as the overrange condi tion disappears pin 2 of U250A goes HI On the next reset pulse pin 1 goes HI pin 3 goes LO 0256 turns off and the overrange indication disappears OSCILLOSCOPE FUNCTIONS 0 9 Preamplifier The Os...

Page 34: ...cal deflection voltages and consists of transistors 0340 and 0345 whose output is inductively peaked by L340 and L344 Rectifiers CR350 and CR355 prevent saturation of the output amplifier 3 10 Horizontal Output Amplifier The Horizontal Output Amplifier section consists of a hori zontal output amplifier driven by a differential amplifier for the digital multimeter function or a differential amplifi...

Page 35: ... unblanking Deflection is accomplished with internal deflection plates driven directly by the vertical and horizontal output ampli REV A MAR 1975 Theory of Operation 213 Service tiers Each graticule division of vertical deflection requires about 12 8 to 14 1 volts difference between the plates while each graticule division of horizontal deflection re quires about 8 2 to 9 2 volts difference betwee...

Page 36: ... 4 volts and pin 3 is about 2 12 volts This causes a negative output from U450 which turns CR450 on but does not affect SCR 0458 When the battery voltage falls below 2 12 volts the output of U450 begins to rise and CR450 turns off The battery 3 12 voltage continues to decrease until it reaches about 2 02 volts at which time the output of U450 reaches about 4 5 volts and CR454 starts to conduct Thi...

Page 37: ...g on 90 to 136 volts ac In Option 1 the section acts as a bridge rectifier when operating on 180 to 250 volts ac and as a de filter when operating on 180 to 250 volts de Its output is ap proximately 330 volts de which operates the Battery Char ger Converter Battery Charger Converter The battery charger converter is frequency controlled with the battery charge current regulated by the control trans...

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Page 39: ...ed in this instrument In particular avoid chemicals which contain benzene toluene xylene acetone or similar solvents Recommended cleaning agents are isopropyl alcohol lsopropanol or ethyl alcohol Fotocol or Ethanol EXTERIOR Loose dust accumulated on the outside of the instrument can be removed with a soft cloth or small brush The brush is particularly useful for dislodging dirt on and around the c...

Page 40: ...l Tektronix Field Office or representative However many of the standard electronic components can be obtained locally in less time than is required to order them from Tektronix Inc Before purchasing or ordering replacement parts check the parts Iist for value tolerance rating and description NOTE Physical size and shape of a component may affect instrument performance particularly at high frequenc...

Page 41: ...ectronic equipment should be used when working on this instrument Ordinary 60 40 rosin core electronic grade solder and a 15 watt solder ing iron is adequate for most soldering in the 213 Should a larger wattage soldering iron be required on some of the metal shields or larger common connection circuit pads use a 35 watt or 40 watt pencil type soldering iron After soldering is completed clean the ...

Page 42: ...wdriver 4 3 16 blade Nutdriver or socket 3 16 1480 16 SCREWS SECURING CABINET HALVES 2 SCREWS ON RIGHT SIDE ARE INSIDE PROBE STORAGE WELL Figure 4 3 Location of screw securing cabinet halves 4 4 Pliers longnose Soldering Iron 15 watt Soldering Iron 35 40 watt Integrated Circuit Extractor 1 Tektronix Part No 003 0619 00 Kit Circuit Board Pin 1 Tektronix Part No 040 0542 00 Desolder Tool 1 Tektronix...

Page 43: ...ot to overtighten the battery retainer hold down screw A D CONVERTER BOARD REMOVAL To remove the A D Converter Board remove the cabinet and batteries see Cabinet Removal and Battery Removal then proceed as follows Maintenance 213 Service 1 Turn the instrument over on its bottom and remove the two nuts holding the A D Converter Board to the Line Converter Chassis see Figure 4 2 2 Gently remove the ...

Page 44: ...t connected to the Power Board and the instrument power plug is connected to and then disconnected from the power line the two large capacitors C417 and C418 under the shield on the parts side of the board do not discharge which could create a possible shock hazard 1 Being careful not to lose the small spacers under the laminate shield on soldered side of board remove the three screws from the lam...

Page 45: ...unction Boards by lifting it up and free of the Amplifier Board terminal pins 2 Remove all knobs from the front panel and side panel retained only by a tight fit Depress all pushbuttons so they remain in a depressed condition the VOLTS mA and Q pushbuttons will have to be pushed simultaneously to lock them in the depressed position 3 Remove the two side panel attaching screws located on the Functi...

Page 46: ...ide switch covers and potentiometer insulator bushings are installed before installing the board assembly into the side panel Also insure that the LED is installed in the side panel and its lead is properly placed in the Attenuator Board cam switch shield cut out 4 8 ATTENUATOR BOARD REMOVAL To remove the At tenuator Board perform the Removal steps for the side panel then proceed as follows see Fi...

Page 47: ...HASSIS Maintenance 213 Service 1 Disconnect the terminal connector holder between the Secondary Power Supply Board and the Power Supply Board 2 Turn the instrument on its side and remove the two nuts holding the Line Converter Chassis to the Amplifier Board see Figure 4 2 3 Gently Iift the Line Converter Chassis out of the instru ment Remove the electrical contacts and set them aside for reinstall...

Page 48: ...ogether so they will self align when the bracket is attached to the chassis in step 2 and when the cover is installed in step 1 4 10 2 For step 3 Insure that the mica insulating strip and insu lating washer is installed properly and on the correct transis tor If the transistors or the mica strip have been replaced or the bracket cleaned coat the transistor tabs mica insula tor and the bracket with...

Page 49: ...transfer Replace the silicone grease when replacing these transistors WARNING I Silicone grease can cause eye irritation there fore handle it with care and avoid getting in the eyes Wash hands thoroughly after use An extracting tool should be used to remove the integrated circuits to prevent damage to the pins This tool is available from Tektronix Inc as Tektronix Part No 003 0619 00 If an extract...

Page 50: ...the holder part nearest the cable away from the cable in the direction of its hinged side 2 Reinsert the connector into its proper hole in the plug in portion of the holder see color coding comment in next paragraph and bend the grooved part of the holder so the connector is inserted into the groove The plastic holder has each connector hole numbered ex cept number one which is identified with an ...

Page 51: ...point the switch can be removed or dis assembled for inspection cleaning or parts re placement Complete removal is explained first REV A JUNE 1976 Maintenance 213 Service 2 Carefully remove the two nuts and spacers from the plastic posts on the opposite side of the board Remove the switch by pulling it away from the board being careful not to lose the small switch contacts under the switch Disasse...

Page 52: ...extender card reverse the installation proce dure POWER SUPPLY EXTENDER CARD To install the Power Supply Extender Card perform the Power Supply Board steps then refer to Figure 4 11 and proceed as follows 4 14 POWER SUPPLY EXTENDER CARD Fig 4 11 Installation of extender cards POWER SUPPLY BOARD i 1481 28 1 With the terminal pins and terminal sockets of the card so ets of the card facing upward ins...

Page 53: ...alibration If the trou ble is not located by these checks the remaining steps aid in locating the defective component or part 1 Check Control Settings Incorrect control settings can indicate a trouble that does not exist If there is any ques Maintenance 213 Service tion about the correct function or operation of any control refer to the Operating Instructions section 2 Check Associated Equipment B...

Page 54: ...stem and protects the instrument from damage should the test in strument earth ground be connected to the 213 power line connection RESISTOR AND CAPACITOR COLOR CODE MULTIPLIER TOLERANCE VOLTAGE FIGURES RESISTORS CAPACITORS RESISTORS CAPACITORS RATING 102 10 101 5 0 1 1 20 or 4 voe 2 pF 1 10 10 1 1 or 6 voe 0 1 pF 2 102 102 2 2 10VDC 3 103 103 3 3 15 voe 4 104 104 4 100 20VDC 9 5 105 105 0 5 5 or ...

Page 55: ...capacitor An open capacitor can best be detected with a capacitance meter or by checking if the capacitor passes ac signals 8 Repair and Readjust the Circuit If any defective parts are located fol low replacement procedures Be sure to check the performance of any circuit that has been repair ed or had any electrical components replaced REV A MAR 1976 Maintenance 213 Service INSTRUMENT REPACKAGING ...

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Page 57: ...ings precede each major function to be perfor mance checked Titles for controls are fully capitalized in the procedure e g INTENSITY INDEX TO PERFORMANCE CHECK PROCEDURE A DISPLAY 1 Check Adjust Focus 2 Check Adjust Trace Rotation B VERTICAL SYSTEM 1 Check Adjust DC Balance 2 Check Vertical Deflection Accuracy 3 Check VOLTS mA D IV VAR Range 4 Check Adjust Attenuator Compensation 5 Check Bandwidth...

Page 58: ...range of control CAL detent CAL detent 1 CHECK ADJUST FOCUS a Set SEC DIV to 5 spot will slowly sweep across the screen b CHECK Spot is well defined c ADJUST FOCUS side panel screwdriver adjustment for the best spot definition d Reset SEC DIV to 1 m 2 CHECK ADJUST TRACE ROTATION a Vertically position the trace on the center horizontal graticule line b CHECK Trace is parallel to the center horizont...

Page 59: ...nge of the control b Connect the probe to the Amplitude Calibrator with a probe adapter Set the Calibrator for an output of 1 kHz and adjust for a stable display c Set VOLTS mA DIV and Calibrator as shown in Ta ble 5 1 d CHECK Vertical deflection accuracy is within limits shown in Table 5 1 TABLE 5 1 Vertical Deflection Accuracy VOLTS mA DIV Amplitude Deflection Limits Setting Calibrator Divisions...

Page 60: ...p waveform m Disconnect the Calibrator 5 4 5 CHECK BANDWIDTH a Set VOLTS mA DIV SEC DIV 5 m black scale 5 m b Connect the probe to the Sine Wave Generator with a dual banana plug to BNC adapter 5X attenuator 50 n feedthrough terminator and a probe adapter Set the Generator frequency to 10 kHz and its output amplitude for a 6 division crt display c Set the Generator frequency to 400 kHz d CHECK Ver...

Page 61: ...isplay of the markers b Set the Time Mark Generator and SEC DIV control as shown in Table 5 2 The horizontal POS control may REV A JUNE 1976 need adjustment to align a timing mark with a vertical graticule line c CHECK Sweep timing accuracy is 1 marker division within 0 4 division over the center 8 divisions d Disconnect the Generator TABLE 5 2 Sweep Timing Accuracy Time Mark SEC DIV Setting Gener...

Page 62: ...he positive and negative slope of the LEVEL SLOPE con trol and free runs when not triggered d Set TRIGGER to INTL AC NORM 5 6 e CHECK Sweep triggers at some point on both the positive and negative slope of the LEVEL SLOPE con trol and there is no sweep when not triggered f Set TRIGGER to INTL AC AUTO and SEC DIV to 2 µ g Set the Generator to 1 MHz with an output ampli tude of 0 5 division h Repeat...

Page 63: ...dings are within 0020 of each other 3 CHECK CHARACTER GENERATOR a Set VOLTS mA DIV to 1 blue scale b Connect the probe to the DC Voltage Standard with a dual banana plug to BNC adapter and probe adapter Set the Standard to 1 005 volts c CHECK Readout displays 1 005 d Rotate the Standards 100 mV selector from Othrough 9 1 005 to 1 905 e CHECK Millivolt digit on the readout displays a 0 through 9 1 ...

Page 64: ... a cable 5 8 TABLE 5 5 DC Current Measurement Accuracy VOLTS mA DIV DC Current Setting Standard Setting Reading Limits blue scale 0 1 ALL ZEROS 0003 to 0003 0 1 0 1 mA 0992 to 1008 1 1 mA 0 994 to 1 006 10 10 mA 09 94 to 10 06 100 100 mA 099 4 to 100 6 1000 1 A 0994 to 1006 TABLE 5 6 Resistance Measurement Accuracy VOLTS mA DIV Resistance Standard Reading Limits Setting Setting 1 kn o 5oo n 0 494 ...

Page 65: ...For further information refer to the following in Section 6 a Calibration procedure step 13 b Item 5 and footnote 3 in Table 6 1 Performance Check 213 Service a Set mA pushbutton in b Connect the AC Calibration Standard Current con figuration to the mA n and common jacks using two banana plug to BNC adapters and a cable c Set VOLTS mA DIV and the Standard as shown in Table 5 8 d CHECK Reading is w...

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Page 67: ...EQUIPMENT REQUIRED The test equipment and accessories given in Table 6 1 or its equivalent are required for complete calibration of the 213 Specifications given for the test equipment are the minimum necessary for adequate calibration Therefore the specifications of any test equipment used must meet or exceed the listed specifications All test equipment is assumed to be correctly calibrated and op...

Page 68: ...tor com pensation check and adjust ment variable vertical gain check Marker outputs 2 µs to 0 2 s Sweep timing check and ad in 1 2 5 sequence accuracy justment horizontal mag within 0 1 nifier check sweep lineari ty check Bit size 3 32 inch shank at Used throughout procedure least 3 inches to adjust variable capacitors Bit size 3 32 inch shank at Used throughout procedure least 3 inches to adjust ...

Page 69: ...unless the batteries are fully charged I WARNING I Potentially dangerous high voltages which create a possible shock hazard exist inside this instru ment when it is operating with the cabinet re moved Do not remove protective shields unless the instrument is turned off and the power plug is removed from the power line Purpose Example of Applicable Test Equipment Trigger check rms converter Tektron...

Page 70: ...ternal Trigger 6 11 9 Check Resistance Measurement Accuracy 6 15 5 Check External Trigger 6 12 10 Check Adjust RMS Converter 6 15 11 Check RMS Converter DC Voltage 6 15 Response D DIGITAL MULTIMETER MEASUREMENT 6 13 SYSTEM 12 Check RMS Voltage Measurement 6 16 Accuracy 1 Check Adjust Decimal Point Position 6 13 12A Alternate Check of RMS Voltage Measure 6 16 2 Check Input Leakage Current 6 13 ment...

Page 71: ... V d Connect the Digital Voltmeter between each of the test points shown in Table 6 2 and common e CHECK Readings are within tolerance shown REV B MAR 1976 TABLE 6 1 Power Supply Voltage Tolerance Test Point Reading Tolerance TP550 6 5 V 6 5 V 0 3 V TP555 6 5 V 6 4 V 0 3 V TP540 75 V 75V 3V 2 CHECK ADJUST HIGH VOLTAGE POWER SUPPLY a Connect the Digital Voltmeter between TP530 1000 V and common b C...

Page 72: ...K ADJUST UNBLANKING FOCUS AND ASTIG MATISM a ADJUST Blank R580 for maximum brightness re duce INTENSITY as required to maintain a visible trace without blooming 6 6 b Set SEC DIV to 5 spot will slowly sweep across the screen c CHECK Spot is well defined d ADJUST FOCUS R565 and Astig R575 for the best spot definition e Reset SEC DIV to 1 m 6 CHECK ADJUST TRACE ROTATION a Vertically position the tra...

Page 73: ...A DIV switch b CHECK Display has the same count approximately zero and polarity sign in both switch positions c ADJUST DC BAL R145 for the same count and polarity sign d Remove the DC Cal Jumper wire see Figure 9 4 e Repeat steps a through c f ADJUST DC Zero R185 for a minimum reading g Replace the DC Cal Jumper wire 2 CHECK ADJUST 10X GAIN a Set VOLTS mA DIV 0 1 blue scale INPUT COUPLING DC b Con...

Page 74: ...DIV INPUT COUPLING 6 8 2 black scale 2m DC b Set the Amplitude Calibrator for 1 Vat 1 kHz and adjust the 213 for a stable display c CHECK Crt display for a flat top waveform d ADJUST 10X compensator capacitor C108 middle unmarked hole in side panel for the best flat top wave form e Set VOLTS mA DIV to 2 black scale f Set the Calibrator output to 10 V g CHECK Crt display for a flat top waveform h A...

Page 75: ...Set the Generator frequency to 10 kHz and its out put amplitude for a 6 division crt display h Set the Generator frequency to 1 MHz Calibration 213 Service i CHECK Vertical deflection is at least 4 2 divisions j Disconnect the Generator 6 9 ...

Page 76: ...CHECK ADJUST SWEEP TIMING a Connect the probe to the Time Mark Generator trigger output jack with a probe adapter Set the generator for 0 1 ms markers 6 10 b CH ECK 1 marker division within 0 4 division over the center 8 divisions c ADJUST Sweep Cal R312 for 1 marker division over the center 8 divisions d Set the Time Mark Generator SEC DIV and VOLTS mA DIV as shown in Table 6 4 The horizontal POS...

Page 77: ...ck scale 1 µs 1 0 2 ms 5 1 µs 1 0 1 ms 5 HORIZ MG VAR Setting CAL detent CAL detent Set fully clockwise Then adjust coun terclockwise to 1 marker division Set fully clockwise Then adjust coun terclockwise to 1 marker division 1 The horizontal POS control may need adjustment to align a timing mark with a vertical graticule line b Connect the probe to the Sine Wave Generator with a dual banana plug ...

Page 78: ...the Generator to 1 kHz and adjust the output amplitude for a 2 division display 1 V p p c Set TRIGGER to EXT DC 6 12 d CHECK Sweep will trigger at some point on both the positive and negative slope of the LEVEL SLOPE control there is no trace when not triggered e Set TRIGGER to INTL AC AUTO and SEC DIV to 2µ f Set the Generator to 1 MHz and adjust the output amplitude for a 2 division display 1 V ...

Page 79: ...y between the 3rd and 4th character b ADJUST Character Spacing Adj R280 so the deci mal point is midway between the 3rd and 4th character 2 CHECK INPUT LEAKAGE CURRENT a Set VOLTS mA DIV INPUT COUPLING 0 1 blue scale DC b Connect the probe tip and the probe common clip together and note the reading Then disconnect them and note the reading c CHECK Readings are within 0020 of each other 3 CHECK ADJ...

Page 80: ...Set VOLTS mA DIV mA 0 1 blue scale Button in b Connect the DC Current Standard to the mA n and common jacks using two banana plug to BNC adapters and a cable 6 14 TABLE 6 6 DC Voltage Measurement Accuracy VOLTS mA DIV DC Voltage Setting Standard Reading Limits blue scale Setting 0 1 0 1000 V 1000 0996 to 1004 0 1000 V 1000 0996 to 1004 10 20 00 V 20 00 19 96 to 20 04 20 00 V 20 00 19 96 to 20 04 1...

Page 81: ...mplitude control on the Genera tor is not sensitive enough to be adjusted to exactly 0 150 V rms in the above step or to exactly 1 500 V rms is a later step set it to a stable setting that is as close as possible to the specified voltage When this is done the CHECK step reading must be modified to that shown on the Digital Voltmeter plus or minus the tolerance given in the CHECK step e g if the ge...

Page 82: ... 10 of full scale to verify the per formance specification a Set INPUT COUPLING to AC b Connect the probe to the AC Calibration Standard Voltage configuration with a dual banana plug to BNC adapter and a probe adapter c Set VOLTS mA DIV and the Standard as show in Table 6 9 6 16 d CHECK Reading is within limits shown in Table 6 9 e Disconnect the Standard TABLE 6 9 RMS Voltage Measurement Accuracy...

Page 83: ...as been checked and adjusted therefore further measurement accuracy checks may not be necessary for the instru ments intended use a Set mA pushbutton in b Connect the AC Calibration Standard Current con figuration to the mA D and common jacks using two banana plug to BNC adapters and a cable Cal ibration 213 Service c Set VOLTS mA D IV and the Standard as shown in Table6 11 CHECK Reading is within...

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Page 85: ... the batteries or operate from a power line source of 180 to 250 V ac 48 to 62 Hz or 180 to 250 V de Refer to the parts list and Diagram 5 in this manual for information concerning C416 which is used with Option 1 but not with the standard 213 Refer to Accessories page at the back of the manual for the power cord cable assembly included with Option 1 for adapting to appropriate power plugs Part nu...

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Page 87: ...u concerning any change in part number Change information if any is located at the rear of this manual SPECIAL NOTES AND SYMBOLS X000 Part first added at this serial number 00X Part removed after this serial number ITEM NAME In the Parts List an Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name ...

Page 88: ...RODE CORP 5 FORBES RD LEXINGTON MA 02173 7305 14433 ITT SEMICONDUCTORS DIV WEST PALM BEACH FL 14552 MICROSEMI CORP 2830 S FAIRVIEW ST SANTA ANA CA 92704 5948 14752 ELECTRO CUBE INC 1710 S DELMA RAVE SAN GABRIEL CA 91776 3825 14936 GENERAL INSTRUMENT C ORP 600 WJOHN ST HICKSVILLE NY 11802 DISCRETE SEMI CONDUCTOR DIV 19396 ILLINOIS TOOL WORKS INC 1205 MCCONVILLE RD LYNCHBURG VA 24502 4535 PAKTRON DI...

Page 89: ...ELPHIA PA 19108 1001 PHILADELPHIA DIV TRW FIXED RESISTORS 75498 MULTICOMP INC 3005 SW 154TH TERRACE 3 BEAVERTON OR 97006 75915 LITTELFUSE INC 800 E NORTHWEST HWY DES PLAINES IL 60016 3049 SUB TRACOR INC 79727 C W INDUSTRIES 130 JAMES WAY SOUTHAMPTON PA 18966 3818 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON OR 97077 0001 PO BOX 500 80031 MEPCO ELECTRA INC 22 COLLMBIA RD MORRISTOWN NJ 07960...

Page 90: ... 285 0997 00 Cl03 283 0260 00 CAP FXD CER DI 5 6PF 0 25PF 200V 51642 150 200NP0569C Cl04 281 0182 00 CAP VAR PLASTIC l 8 10PF 300V 19701 280501R810BH03FO C106 283 0669 00 CAP FXD MICA DI 360PF 1 500V 00853 D155F361FO C108 281 0178 00 CAP VAR PLASTIC 1 3 5PF 500V 80031 28050013R5BH02FO Cl09 283 0615 00 CAP FXD MICA DI 33PF 5 500V 00853 D155E330JO CllO 283 0185 00 CAP FXD CER DI 2 5PF 0 5 50V 51642 ...

Page 91: ...T PART NUMBER THE LETTER SUFFIX AND TOLERANCE PRINTED ON EACH TIMING CAPACITOR SI OULD BE THE SAME FOR ALL THOSE USED IN A MATCHED SET EXAMPLE 285 XXXX XX F C327 283 0000 00 CAP FXD CER DI 0 001UF 100 0 500V 59660 831 610 Y5U0102P C328 290 0283 00 CAP FXD ELCTLT 0 47UF 10 35V 05397 T320A474K035AS C329 283 0003 00 CAP FXD CER DI 0 01UF 80 20 150V 59821 D103Z40Z5UJDCEX C331 283 0149 00 CAP FXD CER D...

Page 92: ...14 00 CAP FXD CER DI 1500PF 5 200V 59660 805 534 Y5D0152J C530 283 0013 00 CAP FXD CER DI O OlUF 0 100 lOOOV 59660 818 602ZSU0103P C532 283 0001 00 CAP FXD CER DI 0 005UF 100 0 500V 59821 2DDH61L502P C534 283 0003 00 CAP FXD CER DI 0 01UF 80 20 150V 59821 D103Z40Z5UJDCEX C540 290 0164 00 CAP FXD ELCTLT 1UF 50 10 150V 56289 500D105F150BA2R2 C543 290 0527 00 CAP FXD ELCTLT 15UF 20 20V 05397 T368B156...

Page 93: ...D0 35 03508 DA2527 1N4152 CR369 152 0141 02 SEMICOND DVC Dl SW SI 30V 150MA 30V D0 35 03508 DA2527 1N4152 CR371 152 0141 02 SEMICOND DVC Dl SW SI 30V 150MA 30V D0 35 03508 DA2527 1N4152 CR374 152 0141 02 SEMICOND DVC Dl SW SI 30V 150MA 30V D0 35 03508 DA2527 1N4152 CR391 152 0141 02 SEMICOND DVC Dl SW Sl 30V 150MA 30V D0 35 03508 DA2527 1N4152 CR392 152 0141 02 SEMICOND DVC DI SW Sl 30V 150MA 30V ...

Page 94: ...1A A59 04713 1N5817 CR554 152 0581 00 SEMICOND DVC DI RECT SI 20V 1A A59 04713 1N5817 Fl61 159 0124 00 FUSE WIRE LEAD 3A 125V 0 05SEC 75915 272003 F410 159 0080 00 FUSE CARTRID3E DIN 0 2A 250V 10SEC 75915 218 200 Jl20 129 0397 01 POST CONTACT 940 OA LG CD PL BR TK 2278 ORDER BY DESCR J125 129 0397 00 POST CONTACT TIP JACK CKT BD MTG TK 2278 ORDER BY DESCR J315 129 0397 00 POST CONTACT TIP JACK CKT...

Page 95: ...75 151 0341 00 TRANSISTOR NPN SI T0 106 04713 SPS6919 0278 151 0341 00 TRANSISTOR NPN SI T0 106 04713 SPS6919 0280 151 0190 00 TRANSISTOR NPN SI T0 92 80009 151 0190 00 0335 151 0410 00 B010100 B010359 TRANSISTOR PNP SI T0 92 04713 SPS6765 0340 151 0432 00 TRANSISTOR NPN SI 625MW T0 92 04713 SPS8512 0345 151 0432 00 TRANSISTOR NPN SI 625MW T0 92 04713 SPS8512 0346 151 0190 00 TRANSISTOR NPN SI T0 ...

Page 96: ...M 1 0 125W TC TO 07716 CEAD13700F R129 321 0165 00 RES FXD FI LM 511 OHM 1 0 125W TC TO 07716 CEAD511ROF R130 311 1535 00 RES VAR NONWw PNL 2K OHM 0 5W W SW 01121 GH 8151 R132 311 1566 00 RES VAR NONWw TRMR 200 OHM O SW 32997 3352T 1 201 R133 321 0155 00 RES FXD FILM 402 OHM 1 0 125W TC TO 07716 CEAD402ROF R134 315 0113 00 RES FXD FILM llK OHM 5 0 25W 19701 5043CX11KOOJ Rl35 311 1500 00 RES VAR NO...

Page 97: ...7668 NTR25JE01KO R197 315 0105 00 RES FXD FILM lM OHM 5 0 25W 19701 5043CX1MOOOJ R198 321 0193 07 RES FXD FILM lK OHM 0 1 0 125W TC T9 19701 5033RE1KOOOB R199 321 0929 07 RES FXD FILM 2 5K OHM 0 1 0 125W TC T9 19701 5033RE2K500B R203 315 0103 00 RES FXD FILM lOK OHM 5 0 25 J 19701 5043CX1OKOOJ R204 315 0103 00 RES FXD FILM lOK OHM 5 0 25 J 19701 5043CX10KOOJ R205 315 0153 00 RES FXD FILM 15K OHM 5...

Page 98: ... 307 0308 00 1 5 R306 325 0118 00 RES FXD FILM 3M OHM 1 0 125W TC TE 19701 5053YL3MOF R310 315 0513 00 RES FXD FILM 51K OHM 5 0 25W 57668 NTR25J E51KO R312 311 1556 00 RES VAR NONwW TRMR 50K OHM 0 5W 32997 3352T DY7 503 R313 315 0513 00 RES FXD FILM 51K OHM 5 0 25W 57668 NTR25J E51KO R314 315 0914 00 RES FXD FILM 910K OHM 5 0 25W 19701 50430 9lOKOOJ R315 315 0114 00 RES FXD FILM llOK OHM 5 0 25W 1...

Page 99: ...00 RES FXD FILM lM OHM 5 0 25W 19701 5043CX1MOOOJ R423 315 0153 00 RES FXD FILM 15K OHM 5 0 25W 19701 5043CX15KOOJ R426 315 0335 00 B010100 B047085 RES FXD FILM 3 3M OHM 5 0 25W 01121 CB3355 R426 315 0105 00 B047086 B047390 RES FXD FILM lM OHM 5 0 25W 19701 5043CX1MOOOJ R426 315 0754 00 B047391 RES FXD FILM 750K OHM 5 0 25W MI 19701 5043CX750KOJ R427 315 0103 00 RES FXD FILM lOK OHM 5 0 25W 19701 ...

Page 100: ...0 5W 32997 3352T 1 205 R570 311 1269 00 RES VAR NON rM TRMR 20K OHM 0 5W 32997 3329P L58 203 R575 311 1242 00 RES VAR NON rM TRMR 200K Of l 0 5W 32997 3386X T07 204 R580 311 1241 00 RES VAR NON rM TRMR lOOK Ol fvl 0 5W 32997 3386X T07 104 SlOO 105 0661 00 ACTUATOR SWITCH SLIDE W 0 CONTACTS 80009 105 0661 00 S120 105 0451 00 ACTUATOR CAM SW ATTENUATOR 80009 105 0451 00 S155 260 1479 00 B010100 B042...

Page 101: ...149 00 SEMICOND DVC DI ZEN SI 10V 5 0 4W 00 7 04713 1N961B VR217 152 0317 00 SEMICOND DVC DI ZEN SI 6 2V 5 0 4W 00 35 04713 1N825 VR362 152 0127 00 SEMICOND DVC Dl ZEN SI 7 5V 5 0 4W 00 7 04713 IN958B VR395 152 0284 00 SEMICOND DVC DI ZEN SI 47V 5 0 4W D0 7 80009 152 0284 00 VR440 152 0280 00 SEMICOND DVC DI ZEN SI 6 2V 5 0 4W D0 7 OR 04713 1N753A 00 35 VR458 152 0127 00 SEMICOND DVC Dl ZEN SI 7 5...

Page 102: ...C ...

Page 103: ...pating device heat sink s Switch or contactor circuit board etc heat radiator etc T Transformer AT Attenuator fixed or variable HR Heater TC Thermocouple B Motor HY Hybrid circuit TP Test point BT Battery J Connector stationary portion u Assembly inseparable or non repairable C Capacitor fixed or variable K Relay integrated circuit etc CB Circuit breaker L Inductor fixed or variable V Electron tub...

Page 104: ...GES OR INSTRUMENT MODIFICATIONS TYPICAL CASE FLAT PACK TRANSISTOR C BE 4 C PLASTIC CASE TRANSISTORS c t B METAL CASE TRANSISTORS C B E DUAL B E E SINGLE D G D FETS 8 16 1 16 PIN C E B DUAL D s G 9 L INTEGRATED CIRCUITS 1481 30A REV MAY 1981 Fig 9 1 Semiconductor lead configurations I I I I I I I I I I I I I I ...

Page 105: ...AL R235 UNDER BOARD OHMS ADJ R215 UNDER BOARD A3 A D CONVERTER H BOARD OLD DOWN NUTS A1 ATTENUATOR BOARD LINE CONVERTER CHASSIS 0 A2 FUNCTION BOARD A6 SECONDARY POWER SUPPLY BOARD INSIDE COVER CHARGE ADJ R448 15 V ADJ R467 A4 AMPLIFIER BOARD DC ZERO R185 THROUGH HOLE nverter circuit b Fig 9 4 A 0 Co A5 POWER SUPPLY BOARD NOTE A4 Amplifier Board are in same locat hold down nuts Of h on on bott t e ...

Page 106: ...also used voltages above 1 kV above 800 Vdc when 213 is used Range 0 to at least 1 5 kV Pulse Generator Output Frequency 1 kHz Tektronix FG501 requires TM500 Power Module Output Voltage 4 V p p Duty Factor 20 Sinewave Generator Output Frequency 1 kHz Tektronix FG501 Requires TM500 Power Module Output Voltage 5 V p p VOLTS mA D IV SEC DIV RMS VOLTS INPUT COUPLING POWER 213 Control Settings 1 black ...

Page 107: ...OVER RANGE q1sa Q 5 7 Q 62 6 SV S1B5 i POLAR TY SIGN CONTROL Q 82 FIL TE R U1756 S185 Grr CONVERTER UIB0 180 1B5 U186 QIBB RMS CONVERTER Ul7SA D U 88 g1 lo 5 l 72 196 q1q 4 1 18 5185 l RMsi I 01 G Q OVER RANGE Q204 I Q206 U250AtB 256 IRMS I 0 A D CONVERTER U220 262 Q230 264 8240 Q266 245 Q280 24 7 U250C D 254 258 U260 q2 0 DMM REFERENCE Q214 Q215 VA217 Q36G _ I _L 368 R37O I HORIZ MGF VA U i i 1 1...

Page 108: ...1 resistor for measurement 4 For voltages at test points Input Test Coupling Point Ground 17 0 55 18 6 4 V 19 0 55 20 ov 0 00 see Table 9 1 TABLE 9 1 Overrange Voltages 5 V INPUT Input Coupling DC VOLTS mA DIV Range 10 Blue 1 Blue Normal Overranged ov 4 2 6 4 V 6 4 V 1 V 4 5 V ov 0 7 V 5 V INPUT Input Coupling DC VOLTS mA DIV Range 10 Blue 1 Blue Normal Overranged 1V 5 3 6 4 V 5 7 V ov 4 2 V 0 0 7...

Page 109: ...CKT GRID CKT GRID CKT GRID CKT GRID NO LOC NO LOC NO LOC NO LOC NO LOC l C140 1F CR155 2E 0155 2E R147 3E R172 2D C142 2F CR156 2E 0156 2E R150 2E R173 2D C143 3F CR157 2E 0158 2E R152 1F R174 3C C144 3E CR158 2E 0159 2E R153 2F R175 3D C145 1F CR159 2E 0162 2E R154 2E R178 1E 2 C146 3E 0170 2D R156 2E R182 10 C150 2E F161 3H 0172 2C R157 2E C154 1E 0174 3D R158 2E S155 1H C165 3B J120 2F 0182 1D ...

Page 110: ...uw fl i C M Fig 9 8 A1 Attenuator circuit board voltage and waveform test points Fig 9 9 A2 Function circuit board voltage and waveform test points TOP END OF CR142 CR143 ...

Page 111: ...I Q275 Q PROBE TIP P 0 Al ATTENUATOR BOARD Jl20 _ l lmA Sl t 1 Rl20 I Sl60 VOLTS I I I I I I I I I I I 15V Rl44 1 5K R143 36 5K Rl42 170K Cl43 2 2pFT 6 SV j 2V 200µs 2 sJ ov t 15V Rl41 I 2 2K Rl4T 2K CRl47 _J F mV 200 I a s I f I O l i Rl41 5 Rl52 2 20K 100 0 I IOK rq 2_ I 10 0K Rl21 90 0K 0 6 Vv L D 1l o Rl41 3 7 5K I J l25 IOOK fl 3 Rl22 900 0K ICOMMON D IM n Rl23 9 00M IOMn P O Al ATTENUATOR BO...

Page 112: ...l conditions are established after all controls are set as specified in 213 CONTROL SETTINGS on the VOLTAGE AND WAVEFORM CONDITIONS pullout page 1 DMM mode of operation 6 Input is a 4 V p p sine wave at 1 kHz INPUT COUPLING is AC 7 RMS button in 8 RMS button out MORE ...

Page 113: ...176 2A R195 1C C180 1C CR189 1A R177 2A R196 1C C181 2E CR190 1A R179 1F R197 1B C182 1E CR197 2C R180 2B R198 2B C183 2D CR199 2C R183 1D R199 3B C185 1D R184 2D C186 2D 0180 2D R185 1E S185 1H C187 2C 0185 2D R186 2D C188 2D 0188 2D R187 1C U175 2B C189 1D 0190 3B R188 1D U180 1E C190 3C 0192 2B R189 1A U186 2D 0194 2B R190 2B U188 2C CR183 1D 0195 2C R191 3C CR184 1D 0196 1C R192 3C VR188 2B ...

Page 114: ...l IC l f l f f IC f l l I l Fig 9 11 A2 Function circuit board voltage and waveform test points ...

Page 115: ... 5V D CAl87 CE 0 _________ ____ _ Ul86 2625 Cl87 Cl 8 l 27 _PART OF CIRCUIT BOARD 15V o CRl90 CRl89 CRl88 Rl89 I SK VRl88 IOV GID 1 CE1 1 7 Cl90 Rl90 15pF 25 0K ____ 1 7 CTI I I i AC GAIN RIBB IOK Ul88 741 Ql98A I DC I Ql92A O S 1 7 8 6 1 0196 Q198B 2 1 1 0190A Rl97 IM Rl92 I OOK Ql90B AC ZERO 1sv o 1 1196 Rl95 4 l __ __ __ 111 I K ____ IM J Rl94 IM Ul75D 1 4 324 Rl98 l OOK 1 1 1 1 CRl97 OVERAANGE...

Page 116: ...at each pin when the INPUT COUPLING is set to GND and O s should be displayed Establish the logic LO by setting the de signal source for the display character that has a logic LO at the pin being measured The character being displayed should appear in only one position and the other positions should display O s Select a VOLTS mA DIV switch setting that will display the character being checked in o...

Page 117: ...D C238 3C 0206 4E C245 5C 0214 4G C255 3E 0215 C258 4E 0230 3B C261 3E 0240 C263 3G 0245 C268 2C 0247 C270 3G 0254 C280 3D 0256 C282 4H 0258 C284 3G 0260 CR206 2C 0262 CR217A 38 0264 CR2178 3C 0266 CR230 3C 0275 CR261 3F 0278 CR263 3F 0280 REV C DEC 1980 C D E F G H 15 16 17 18 19 8 9 10 11 12 13 14 I CR206 R267 R268 0214 0204 0206 C268 CR268 R216 l M R236 c N C227 a CZJB M 0 I a a N U U QO N 0280...

Page 118: ...IC I Ai I 0 I I I Fig 9 13 A3 A 0 Converter circuit board voltage and waveform test points l L l l l ...

Page 119: ...V 7 9 Q256 DECADE COUNTER SY 16 V55 E q 1To 8 __ OUTPUT R256 IOK 5V R258 22K t2V E Q258 I r 103 r 1 fy_ r r roms 1 r 1 9 ov P OA l FUNGTIO J BD 6 5Y D SIGN OFF R267 FROM Q182 R266 v 0 _ 0 t i 110 0 Al A2 AS Q240 R240 15K C245 678 R245 15K 6 SV D 6 5V D TYPE 74LOO 5V GND 14 1 5V R249 5 IK 9 SCAN __ _ _ t INPUT 14 U260 5007 5 36K R268 l I INPUT i f __ 5 y j IK _____t __t __t _ 12 1 FROM 7 C268 CR268...

Page 120: ...ntrols are set as specified in 213 CONTROL SETTINGS on the VOLTAGE AND WAVEFORM CONDITIONS pullout page 2 Oscilloscope mode of operation 5 Input is a positive 4 V peak pulse at 1 kHz with a duty cycle of 20 INPUT COUPLING is AC Pattern centered vertically A4 AMPLIFIER BOARD MORE ...

Page 121: ... 3F R354 2E 3 C376 3D Q350 2F R355 3F U335 3B C547 4E Q355 2E R356 2E U365 2E C590 c Q360 2G R357 3E CR326 JA Q364 2G R358 2F VR362 2F CR332 3B Q366 2E R360 2G VR395 2F CR333 3B Q368 2E R362 2F CR345 t Q370 2D R363 2D 4 CR350 3F Q374 2D R364 1G CR355 3F Q380 2F R365 2E CR360 2G Q385 2G R366 2E CR365 2E Q390 2G R368 2D CR369 2E 0394 2G R369 1E CR374 2D R372 2E CR391 1B R328 3B R373 2D 5 ee parts li...

Page 122: ...I L l l c I Fig 9 16 A4 Amplifier circuit board voltage and waveform test points ...

Page 123: ... 9 I L L I I e 2 5 I i w I l 3V d R316f r E Q s IOK 31 j Vi TRIGGER r __ 5V l 3V _ 1 I C333 LEVEL SLOPE 2 l 3V T 022 TRIG LVL 2 SLP SWEEP MULTI SEE PARTS LIST FOR EARLIER VALUES ANO SERIAL NUMBER RANGES OF PARTS OUTLINED OR DEPICTED IN GREY 0 I I 1i R3l2 K 43 2 sLLJ l 3V C329 SWEEP o T CAL IEXT TRIG I J315 F 313 SIK 5V VERT SIGNAL sv __ ao FROM 0174 t 2 6 6 SV 5 10 l SWEEP LENGTH UN BLANK J C316 I...

Page 124: ...nditions are established after all controls are set as specified in 213 CONTROL SETTINGS on the VOLTAGE AND WAVEFORM CONDITIONS pullout page 1 DMM mode of operation 2 Battery charger is operating 3 POWER switch is ON battery charged instrument is operating normally 4 POWER switch is ON battery is discharged instrument is off due to low voltage shutdown 5 The common lead of the test oscilloscope mu...

Page 125: ...R412 2F R454 2A 1B R413 2F R455 2B 1C R442 1C R456 2C 2C R443 1B R457 2B 1B R444 1C R458 28 1B R445 1C R459 2C F G 2 CKT GRID CKT GRID NO LOC NO LOC R460 2B R480 2D R462 1B R482 10 R464 1B R484 20 R465 1A R466 1B T415 1F R467 1B T490 20 R468 1B R470 1D U450 2B R472 1D R473 2C VR440 2B R474 1A VR458 28 R475 10 VR460 28 R476 10 R477 1A A B C CR430 CR432 1 9 J T430 9 8 7 l _ T 23_ Ll l nCO z R427 3 4...

Page 126: ...l Ic I l L l Fig 9 19 A5 Power Supply circuit board voltage and waveform test points Fig 9 20 AG Secondary Power Supply circuit board voltage and waveform test points ...

Page 127: ... VOLT SHUT DOWN 6 5V Q 158 P444 g 1 BT444 _ 2 D kTi P444 Y 0444B _ _ QL14 1A C440 R443 33JJF 931 R447 060 n 10E2E s f To iffi m I _ r___ Q47LJ P 473 220 R475 430 Q475 0 6 SV 5 41 6 SV II I I 6 SV 4 4 2 r 6 5V 1IP oA A DlON BPI 19 rk Pio l 1 ATTENUATOR BO a Q486 q P o Al ATT Nl lATOR BC 70 190V P P TO C505 2 75V P P 111i o ro cs40 3 15V P P II i TO C543 C INVERTER OUTPUT TO 0 6V P Pj TO CRT FILTER ...

Page 128: ...ation TABLE 9 3 Typical High Voltage Multiplier Voltages Measurement Location Test Point Typical Voltage Vdc Across C506 12 190 Across C511 13 185 Across C513 14 185 Across C515 15 185 Across C523 16 175 From junction of C515 C519 to junction 17 180 of C517 and C521 From junction of C517 C521 to junction 18 180 of C519 and CR519 CR520 From junction of C519 and CR519 CR520 19 170 to junction of C52...

Page 129: ...3 2E C543 2C CR517 2F C514 2E C544 2B CR518 2F P560 3F C515 2E C545 2C CR519 2F 0525 3D C516 2F C550 3B CR520 2F 0527 3D C517 2F C552 2C CR521 2F 0528 30 C518 2F C554 2B CR522 2F C519 2F C555 3B CR523 2F R442 1C C520 2F C556 38 CR540 2C R522 3D C521 2F CR542 2C R523 30 C522 2F CR505 2E CR543 2C R524 3E C523 2F CR506 2E CR544 2C R525 1C C524 3E CR508 2E CR550 2C R526 30 C525 3D CR511 2E CR552 28 R5...

Page 130: ...r C l L Fig 9 22 AS Power Supply circuit board voltage and waveform test points Fig 9 23 A4 Amplifier circuit board voltage and waveform test points ...

Page 131: ...K II ISV BLANK CENTER R535 L 3 6 C534 5001 _ 12 65at v o i I I I I 5 0 34 _______ 3_ t 4 I 1 351 I I V R534 fio 1100 330K R537 R538 P 0 A4 AMP e D ___ 2 L537 10 10 r 7 1 05 JH 21 c 10 _ 1 2 0 6V P P I_____________________ P S oO C540 CA542 75V I flt t ov Tos 4 o F 75V P P Jt t 1 7 11 7SV CR540 C590 cs43 CR544 15 uF CR543 L543 64 u H TP545 ISV llO uF I SV P P 4 01 rYTYr 6 15V J_C547 C545 o v 1oµil ...

Page 132: ...OR CHECK INPUT BUFFER AMPL FOR l0X GAIN ON 5mV l0mV RANGES AND IX GAIN ON ALL OTHER RANGES CHECK R128 R129 AND SCOPE PREAMP CHK VERT OUTPUT AMPL CHK CRT VERT DEFLECTION SENS OF 12 8 to 14 1 V div LEGEND LOGIC DECISION STEP A performance check that results in a logic decision to determine the next step in the troubleshooting process ACTION STEP A step involving setting of con trols component or par...

Page 133: ... To use this chart begin at START and perform any instrument perfor mance checks necessary to answer the question in the Logic Deci sion Step on the top horizontal flow line of the chart Whenever a negative logic decision No is reached perform each Logic Decision Step and Action Step in the sub flow lines of the chart until the original logic decision No is corrected to a positive logic decision Y...

Page 134: ...se this chart begin at START and perform any instrument perfor mance checks necessary to answer the question in the Logic Decision Step on the top horizontal flow line of the chart Whenever a negative logic decision No is reached perform each Logic Decision Step and Action Step in the sub flow lines of the chart until the original logic decision No is corrected to a positive decision Yes Then cont...

Page 135: ...l flow line of the chart Whenever a negative logic decision No is reached perform each Logic Decision Step and Action Step in the sub flow lines of the chart until the original logic decision No is corrected to a positive decision Yes Then continue through the chart until the END is reached at which time the instrument Performance Check should be performed and the instrument calibrated as required...

Page 136: ...ts must be purchased separately unless otherwise specified ITEM NAME In the Parts List ar Item Name is separated from the description by a colon Because of space limitations an Item Name may sometimes appear as incomplete For further Item Name identification the U S Federal Cataloging Handbook H6 1 can be utilized where possible ABBREVIATIONS INCH ELCTRN ELECTRON IN INCH SE SINGLE END NUMBER SIZE ...

Page 137: ...454 71279 INTERCONNECTION PRODUCTS INC 2601 S GARNSEY ST SANTA ANA CA 92707 3338 73743 FISCHER SPECIAL MFG CO 111 INDUSTRIAL RD COLD SPRING KY 41076 9749 75915 LITTELFUSE INC 800 E NORTHWEST HWY DES PLAINES IL 60016 3049 SUB TRACOR INC 79136 WALDES KOHINOOR INC 47 16 AUSTEL PLACE LONG ISLAND CITY NY 11101 4402 80009 TEKTRONIX INC 14150 SW KARL BRAUN DR BEAVERTON OR 97077 0001 PO BOX 500 82104 STAN...

Page 138: ...EE CR450 REPL 22 175 0825 00 AR CABLE SP ELEC 2 26 AWG STRD PVC JKT RBN 80009 175 0825 00 23 131 0707 00 2 CONTACT ELEC 22 26 AWG BRS CU BE GLD PL 22526 47439 000 24 352 0169 00 1 HLDR TERM CONN 2 WIRE BLACK 80009 352 0169 00 25 333 1718 00 1 PANEL SIDE TK2165 ORDER BY DESCR ATTACHING PARTS 26 211 0014 00 2 SCREW MACHINE 4 40 X0 5 PNH STL 93907 ORDER BY DESCR END ATTACHING PARTS 27 200 1512 00 3 C...

Page 139: ...55 00 ATTACHING PARTS 62 354 0219 00 RING RETAINING EXT CRESCENT U 0 0 25 DIA 79136 5103 25 S ZD R END ATTACHING PARTS 63 105 0451 00 1 ACTUATOR CAM SW ATTENUATOR 80009 105 0451 00 64 210 0405 00 2 NUT PLAIN HEX 2 56 X0 188 BRS CD PL 73743 12157 50 65 401 0156 00 1 BEARING CAM SW REAR 0 454 DIA CAM 80009 401 0156 00 66 105 0661 00 1 ACTUATOR SWITCH SLIDE W 0 CONTACTS 80009 105 0661 00 ATTACHING PA...

Page 140: ...2 0272 00 1 INSUL CRT SHLD POLYESTER 80009 342 0272 00 114 337 1458 00 1 SHIELD CRT 23740 337 1458 00 D 672 0414 00 1 CIRCUIT BO ASSY LINE CONN 80009 672 0414 00 ATTACHING PARTS 115 210 0406 00 2 NUT PLAIN HEX 4 40 X0 188 BRS CD PL 73743 12161 50 116 210 0994 00 2 WASHER FLAT 0 125 ID X 0 25 OD X0 022 STL 86928 A371 283 20 117 131 1367 00 1 CONTACT ELEC LINE CONV GND CU BE TIN PL 80009 131 1367 00...

Page 141: ... NYLON 0 188 HEX 33669 ORDER BY DESCR END ATTACHING PARTS 158 361 0548 00 3 SPACER SLEEVE 0 11 LX0 125 ID DELRIN TK2041 ORDER BY DESCR 159 131 0589 00 3 TERM PIN 0 46 LX0 025 SQ PH BRZ GLD PL 22526 48283 029 160 346 0032 00 1 STRAP RETAINING 0 075 DIA X4 0 L MLD RBR 98159 2829 75 4 161 1 CKT BOARD ASSY OUTPUT AMP SEE A4 REPL 162 131 0589 00 48 TERM PIN 0 46 L X0 025 SQ PH BRZ GLD PL 22526 48283 02...

Page 142: ...111 107 REV JUN 1986 213 SERVICE ...

Page 143: ... STRAP CARRYING LEAD ELECTRICAL 32 0 L BLK BANANA PL ONE LEAD ELECTRICAL 32 0 L RED BANANA PL ONE FUSE CARTRIOGE 5 X20MM 0 1A 250V 0 04 SEC MANUAL TECH OPERATORS MANUAL TECH INSTRUCTION CABLE ASSY PNR 2 18ANG 125V 10 0 L OPTION 1 ONLY MARKER IOENT MKO PROPERTY OF MARKER IOENT INSTRUMENT IO Mfr Code Mfr Part No 80009 016 0199 01 TK0174 016 0512 00 80009 346 0104 00 80009 012 0014 00 80009 012 0015 ...

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