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Tektronix 2235, Instruction Manual

The Savin 2235 Operator's Manual is a comprehensive guide for users to maximize the functionalities of their Savin 2235 device. This manual is available for free download from manualshive.com, enabling users to access clear instructions, troubleshoot common issues, and confidently operate their device with ease.

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Summary of Contents for 2235

Page 1: ...2235 OSCILLOSCOPE SERVICE INSTRUCTION MANUAL ...

Page 2: ...R Y PR IO R TO PERFO RM I NG ANY SERV IC E Tektronix National Marketing Center for Product Order Information call 1 800 426 2200 ext 41 In Oregon call collect 503 627 9000 ext 41 Tektronix National Marketing Center P O Box 500 D S Υ6 088 Beaverton OR 97077 PLEASE CHECK FOR CHAN GE INFORMATION AT THE REAR OF TH IS MANUAL 2235 OSCILLOSCOPE SERVICE I N ST RU CTIO N MANUA L Tektronix Inc Ρ Ο Box 500 B...

Page 3: ...nd price change privileges are reserved INSTRUMENT SER IAL NUMBERS Each i nstrument has α serial number on α panel insert tag or stamped on the chassis The first nu mber 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 ma...

Page 4: ...8 ADJUST 2 2 Line Trigger Amplifier 3 8 VERTICAL 2 3 Α TRIGGER GENERATOR 3 9 HORIZONTAL 2 4 Α Trigger Level Circuit 3 9 TRIGGER 2 6 Α Trigger Level Comparator 3 9 REAR PANEL 2 7 Α Schmitt Trigger and TV OPERATING CONSIDERATIONS 2 8 Trigger Circuit 3 9 GRATICULE 2 8 Α SWEEP GENERATOR AND GROUNDING 2 8 LOGIC 3 9 SIGNAL CONNECTIONS 2 8 Α Miller Sweep Generator 3 10 INPUT COUPLING CAPACITOR Α Sweep Lo...

Page 5: ...EGRATED CIRCUITS 6 11 HORIZONTAL 4 8 SOLDERING TECHNIQUES 6 12 TRIGGER 4 12 REMOVAL AND REPLACEMENT EXTERNAL Z AXIS AND PROBE INSTRUCTIONS 6 13 ADJUST 4 15 Cabinet 6 13 Cathode Ray Tube 6 13 SECTION 5 ADJUSTMENT PROCEDURE Power Supply Shield 6 14 INTRODUCTION 5 1 Filter Circuit Board 6 14 PURPOSE 5 1 Alt Sweep Circuit Board 6 15 STRUCTURE 5 1 Attenuator Circuit Board 6 15 TEST EQUIPMENT 5 1 Timing...

Page 6: ...cuitry 3 16 6 1 Multi connector holder orientation 6 6 LIST OF TABLES 2235 Service Table Page Table Page 1 1 Electrical Characteristics 1 2 5 4 Attenuator Compensation Adjustments 5 9 1 2 Environmental Characteristics 1 8 5 5 Settings for Bandwidth Checks 5 12 1 3 Physical Characteristics 1 9 5 6 Settings for Timing Accuracy Checks 5 17 4 1 Test Equipment Required 4 2 5 7 Settings for Delay Time A...

Page 7: ...her information is to be found For maximum input voltage see Table 1 1 Symbols as Marked on Equipment 114 DANGER High voltage Ο Protective ground earth terminal Danger Arising From Loss of Ground Upon loss of the protective ground connection all acces sible conductive parts incl uding knobs and controls th at may appear to be insulating can render an electric shock Use the Proper Power Cord Use on...

Page 8: ...aid and resuscitation is present Power Source 2235 Service This product is intended to operate from α power source Use Care When Servicing With Power On that does not apply more than 250 volts rms between the supply conductors or between either supply conductor and Dangerous voltages exist at several points in this product ground Α protective ground connection by way of the To avoid personal injur...

Page 9: ...2235 Service T he 2235 Oscilloscope ατο 6 ο 1 ...

Page 10: ...ith delayed sweep features for accurate relative time measurements Α Χ10 magnifier extends the Items listed in the Performance Requirements column maximum sweep speed to 5 ns per division are verifiable qualitative or quantitative limits while items listed in the Supplemental Information column are either explanatory notes calibration setup descriptions perfor ACCESSORIES mance characteristics for...

Page 11: ...ision 4 4 ns or less a 4ο ο 4 4 ρ ρ 12 12ο ο 12ο ο ρ ρ α Dc to at least 100 MHz Dc to at least 90 MHz Dc to at least 90 MHz Dc to at least 80 MHz 10 Hz or less at 3 dB a Performance Requirement not checked in Service Manual Table 1 1 Electrical Characteristics Performance Requirements Supplemental Information 5 mV per division to 5 V per division gain is adjusted with VOLTS DIV switch set to 10 mV...

Page 12: ...α 20 pF 2 ρF α Maximum Safe Input Voltage Α See Figure 1 1 for derating curve 400 V dc peak ac Or 800 V ac ρ ρ to 10 kHz or less α 400 V dc peak ac Or 800 V ac ρ ρ to 10 kHz or less α At least 20 to 1 at 50 MHz 1 0 ηΑ Or less 0 5 division trace shift at 2 mV per division α 0 75 division or less α 1 0 division or less α 1 5 division or less α 8Performance Requirement not checked in Service Manual G...

Page 13: ...ce Requirements Supplemental Information 10 MHz 60 MHz 100 MHz 0 3 div 1 0 div 1 5 div 35 mV Ι 120 mV 200 mV 20 Hz with 1 0 division internal or 100 mV external a 1 0 division of composite sync a 10 MHz L60 MHz _L100 MHz 0 3 div 1 0 div 1 5 div 1 ΜΩ 2 α 20 pF 2 5 pF a Performance Requirement not checked in Service Manual Table 1 1 cont TRIGGER SYSTEM 10 Hz or less at lower 3 dB point a Can be set ...

Page 14: ...mental Information Continuously variable between calibrated settings Extends the Α and Β sweep speeds by at least α factor of 2 5 Greater than 10 division 3 5 divisions or greater Applies to 0 5 As per division and slower 0 5 300 ns to 10 divisions One part or less in 20 000 0 005 of the maximum available delay time 1 ο ο 0 015 major dial division 2ο ο 0 015 major dial division Specification 2235 ...

Page 15: ...ts Supplemental Information Χ Υ OPERATION Χ 1 MAGNIFICATION Same as Vertical Deflection System with VOLTS DIV Variable controls in CAL detent 3 4ο ο α Same as Vertical Deflection System a Dc to at least 3 MHz Same as Vertical Deflection System a 3ο from do to 150 kHz a 0 5 V 5ο ο 1 kHz 20ο ο α 5 V causes noticeable modulation Positive going input decreases intensity 30 V dc peak ac or 30 VC ρ ρ ac...

Page 16: ...0 300 200 100 50 20 10 Specification 2235 Service 2 5ν l 10 KHz 50 KHz 100 ΚΗτ 500 ΚΗτ 1 MHz 100 MHz FREQUENCY 4207 28 Figure 1 1 Maximum input voltage vs frequency derating curve for CH 1 OR Χ CH 2 OR Υ and ΕΧΤ INPUT connectors ...

Page 17: ...on return to room ambient during step 6 Excessive condensation shall be removed before operating during step 7 To 4 500 m 15 000 ft Maximum operating temperature decreased 1 C per 1 000 ft above 5 000 ft Το 15 000 m 50 000 ft 5 cycles 120 hours referenced to ΜΙ L Τ 288000 paragraph 4 5 5 1 2 2 for Type III Class 5 instruments Operating and non operating at 95 0 to 5 relative humidity Operating at ...

Page 18: ... Handles Width With Handle Without Handle Depth With Front Cover Characteristics Without Front Cover With Handle Extended Table 1 3 Physical Characteristics Specification 2235 Service Description 7 1 kg 15 7 lb 6 1 kg 13 5 lb 8 2 kg 18 0 lb 137 mm 5 4 in 360 mm 14 2 in 327 mm 12 9 in 445 mm 17 5 in 440 mm 17 3 in 511 mm 20 1 in ...

Page 19: ...se it 240V 240V Section 2 2235 Service C EE 7 II IV VII IEC 133 Θ5 1363 IEC 83 Α1 Α2 Austra ιian 240Α 240ν AS C112 Α3 10Α ANSI ς73 2ρ 240V ΝΕΜΑ 6 15 Ρ Α4 I EC 83 Switzerland 220Υ 2201 SEV Α5 6Α Abbreviations ANSI American Natio nal Standards Institute Α5 Standar ds Association of Australia Β5 British Standar ds Institution ςΕΕ International Commission on Rules for the Approval of Electrical Eq ui ...

Page 20: ...US Control Adjusts far optimum display operator with the location operation and function of the defi n ition instrument s controls connectors and indicators POWER DISPLAY AND PROBE ADJUST Refer to Figure 2 3 for location of items 1 through 8 Internal Graticule Eliminates parallax viewing error between the trace and graticule lines Rise time ampli tude and measurement points are indicated at the le...

Page 21: ...VOLTSIDIV variable control must be in the calibrated CAL detest fully clockwise 1 Χ I ndicates the deflection factor selected when using either α 1 Χ probe or α coaxial cable 10Χ PROBE Indicates the deflection factor se lected when using α 10Χ probe VOLTSIDIV Variable Controls When rotated coun terclockwise out of their calibrated detest positions these controls provide continuously variable uncal...

Page 22: ...ut signal control moves the display horizontally X axis are coupled to the vertical deflection system 16 GND Connector Provides direct connection to the 13 INVERT Switch Inverts the Channel 2 display when instrument chassis ground button is pressed in Push button must be pressed in α second time to release it and regain α noninverted display 17 SERIAL and Mod Slots The SERIAL slot is imprint ed wi...

Page 23: ...ith an intensified zone and the Β Delayed Sweep The Α Sweep speed is deter mined by the setting of the Α SECIDIV switch The Β Sweep speed and the length of the intensifie d zone on the Α Sweep are both determined by the Β SECIDIV switch setting Figure 2 5 Horizontal controls Operating Instructions 2235 Service B Horizontal deflection is provided by the Β Sweep generator at α sweep speed determined...

Page 24: ...2 6 Trigger controls connector and indicator TV FIELD Press in both Ρ Ρ AUTO and N ORM 29 Α SOURCE Switch Determines the source of the push buttons Permits triggering on television field trigger signal that is coupled to the input of the Α Trig signals ger circuit ΙΝΤ Permits triggering on signals that are applied TRIG D READY Indicator The LED illuminates when to the CH 1 OR Χ and CH 2 OR Υ input...

Page 25: ...and the Β D ELAY TIME POSITION control Refer to Figure 2 7 for location of item 35 Operating Instructions 2235 Service REAR PANEL ΕΧΤ Z AXIS Connector Provides α means of con necting external signals to the Z axis amplifier to in tensity module the crt display Applied signals do not affect display waυeshape Signals with fast rise times and fall times provide the most abrupt intensity change and α ...

Page 26: ...rm α and the supplied 10Χ probe offers α high input impedance precharging network Th is network allows the input coupling that minimizes circuit load ing This allows the circuit under capacitor to charge to the average dc voltage level of the test to operate with α minimum of change from its normal signal applied to the probe Thus any large voltage condition as measurements are being made transien...

Page 27: ...cule line use small flat bit screwdriver to adjust the TRACE ROTATION control and align the trace with the center horizontal graticule line PROBE COMPENSATION OPERATOR S ADJUSTMENTS Operating Instructions 2235 Service loscope probes before making measurements Probe compensation is accomplished as follows 1 Connect the two 10Χ probes supplied with the instru ment to the CH 1 and CH 2 input connecto...

Page 28: ...d FOCU S Best focused display Vertical Both Channels BASELINE TRACE POSITION Midrange VERTICAL MODE CH 1 ΒW LIMIT Off button out VOLTSIDIV 50 m V O LTSIDIV Variable CAL detent INVERT Off button out AC GND DC AC OSCILLOSCOPE DISPLAYS ΑΙΒ SWP SEP Off midrange POSITION Midrange HORIZONTAL MODE Α Α and Β SECIDIV 0 5 ms SECIDIV Variable CAL detent Χ10 Magnifier Off knob in Β DELAY TIME POSITION Fully c...

Page 29: ...lay Set the Β S EC DIV switch until the intensified compressed display within the graticule area using the zone is the desired length Vertical and Horizontal POSITION control then release the BEAM FIND push button 5 Adjust the Β DELAY TIME POSITION control to move the intensified zone to cover that portion of the Α trace that 4 Adjust the ΑTRIGGER LEVEL control if necessary to is to be displayed o...

Page 30: ...etween the delayed sweep setting setting delay time two frequencies SI NGLE SWEEP DISPLAY 1 Obtain α Signal Display 2 For random signals set the Α TRIGGER LEVEL control to trigger the sweep on α signal that is approximately the same amplitude as the random signal 3 Momentarily press in the Α TRIGGER SGL SWP RESET push button If no trigger signal is present the TRIG D READY light should illuminate ...

Page 31: ...eld set VERTI CAL MODE to BOTH and ALT simultaneously This syn chronizes the Channel 1 display to one field and the Channel 2 display to the other field Operating Instructions 2235 Service To change the field that is displayed interrupt the trigger ing either by repeatedly setting the AC GN D DC switch to GN D or by disconnecting and reconnecting the signal from the input connector until the other...

Page 32: ...mbology and terminology Most logic functions are described using the positive logic convention Positive logic is α system of notation whereby the more pos itive of two levels is the TRUE or 1 state the more nega tive level is the FALSE or 0 state In this logic description the TRUE state is referred to as HI and the FALSE state is referred to as LO The specific voltages which constitute α HI or α L...

Page 33: ...gic circuit controls sweep generation Input signals are selected for display by the Channel and Ζ Axis unblanking for the Α Sweep display When the Switching circuit under control of the front panel VERTICAL Α TRIGGER Mode switches are set to either Ρ Ρ AUTO or MODE switches The output signal from the Channel TV FIELD and no trigger signal is present the Auto Baseline Switching circuit is applied t...

Page 34: ...e Ζ Axis Amplifier circuit sets PROBE ADJUST connector is α negative going square the crt intensity When using Chop Vertical mode α blanking wave that has α peak to peak amplitude of approximately 0 5 V and α repetition rate of approximately 1 kHz DETAILED CIRCUIT DESCRIPTION VERTICAL ATTENUATORS Input Coupling Theory of Operation 2235 Service The signal applied to the CH 1 OR Χ input connector ca...

Page 35: ...its the band for the two input transistors is supplied by R21 R22 R23 width of U 10 so that the slow path responds only to fre and R25 with R29 serving as the gain setting resistor be quencies below 100 kHz tween the two emitters In the 2 mV position amplifier gain is increased by closing contact 15 of S10 to shunt R29 with R26 In the fast path input signals are coupled through R6 C6 013 and Q18 t...

Page 36: ... Delay Line Driver as described in the Vertical voltages that drive the bases of the input transistors of Preamplifier section The Channel 2 Preamplifier will be U 130 and the Internal Trigger circuitry Emitter current for disabled the input transistors is supplied by Q114 and Q115 and the base bias is adjusted by R 111 The collector current of each input transistor of U130 serves as emitter curre...

Page 37: ...ill return the outputs of the Delay of U540A will toggle with each clock input The Delay Line Line Driver to an average do value of zero volts Delay Line Driver will then be driven alternately by the Channel 1 and D L210 provides α vertical signal delay of about 90 ns so Channel 2 Preamplifiers at α rate determined by that the Sweep Generator has sufficient time to produce α multivibrator U537D sw...

Page 38: ...261 is removed and emitter matched current is now supplied through R261 and R262 in series This reduces the amount of available emitter current and The base bias voltages of one transistor in each output limits the Amplifier dynamic range differential amplifier pair is fixed by the divider network com posed of R321 and R322 The other base voltage is εοη Α Β Sweep Separation Circuit trolled by the ...

Page 39: ...th inputs to U565B and U565C will be HI and the gate outputs will be LO Both Channel 1 and Channel 2 signal paths will be en abled and their output current will be summed at the inputs of the Internal Trigger Amplifier to produce the internal trig ger signal The CHOP VERTICAL MODE position grounds the V Mode Τ line and places α LO on an input of both U555B and U555C The outputs of these two gates ...

Page 40: ...eak U480A by R474 This LO input will cause U480A to invert voltage Potentiometers R434 and R435 adjust for do off the output from U480D With Q403 off α LO will be placed sets in the trigger circuitry on one input of U480B by R405 and U480B will also act as an inverter The Α Trigger signal at the output of U480B is therefore the same as the input signal to U480A In the Norm mode 8 6 V is applied to...

Page 41: ...with Q704B sourcing current for 0704Α Since the gate and source of Q704B are connected together the source current of Q704A will be of α magnitude such that there is no voltage drop across its gate source junction The Sec Div Variable circuitry utilizes an operational am plifier to maintain α constant reference voltage at one end of When the sweep is not running 0701 is biased on to R721 independe...

Page 42: ... and biasing on 0576 With Q576 conducting holdoff one shot U504B will be triggered and the Α Miller Sweep Gener ator will be reset to turn off Q525 Theory of Operation 2235 Service During the previous holdoff period U532 B had reset U506B to cause the Q output to be LO The D input of U506A will therefore be HI and clock signals to the gate will keep the Q output LO and the sweep disabled When the ...

Page 43: ...VEL control is not fully clockwise 0637 is biased on and the Β Sweep is in the triggered mode The output of U660D will be LO the output of U660A will be HI and U670A will no longer be held set Operation of the Β Sweep Logic circuitry under both of these conditions is described in the Β Sweep Logic discussion Β Delay Time Position Comparator The Β Delay Time Position Comparator circuit compares the...

Page 44: ...nning the output of U665D will be LO This will cause the output of U 665B to also be LO and CR685 will be biased off If the Β Sweep is not running the output of With S648 set to ALT and for all settings of the VERTI U 665B will be HI and CR685 will be biased on This will bias CAL MOD E switches except BOTH ALT the V lt signal αρ off CR816 and the Α Sweep will not be intensified plied to U660E and ...

Page 45: ... will be biased off to enable the R730 The transistors are biased into the active or cutoff Χ Axis signal to drive the noninverting input of U758 The regions by the control voltage applied at the cathodes of output of U758 will then be α function of the Χ Axis signal CR732 and CR742 Switching between the Α and Β and the Horizontal POSITION control wiper voltage The Χ Sweeps occurs within U760 with...

Page 46: ...Amplifier if excessive signal levels are applied to the ΕΧΤ Ζ AXIS INPUT connector The intensity of the crt display in the Α Β and Alt Hori zontal modes is determined by the INTENSITY controls and associated circuitry The Α INTENSITY potentiometer con trols the base voltage of Q804 to determine the amount of emitter current that will flow through the transistor and therefore the level of the Ζ Axi...

Page 47: ...ol grid bias voltage through R858 and CR854 Initially both C855 and and couples both do and ac components of the Ζ Axis Am C854 will charge up to α level determined by the difference plifier output to the crt control grid Direct coupling of the Ζ between the Ζ Axis output voltage and the crt cathode volt Axis Amplifier output to the crt control grid is not employed age Capacitor C855 charges from ...

Page 48: ... Neon lamps DS858 and DS856 protect the crt from ex of the Preregulator by regulating the duty cycle of the pulse cessive grid to cathode voltage if the potential on either the applied to the gate of Q9070 It utilizes an oscillator with the control grid or the cathode is lost for any reason frequency determined by R919 and C919 approximately 60 kHz and with α sawtooth output voltage at pin 5 This ...

Page 49: ... drive of Q944 and thereby control the voltage on C944 This voltage will bias Q946 and Q947 to α level that will maintain the peak to peak input voltage of T948 The Instrument protection from excessive output voltage is amplitude of the voltage across the transformer primary supplied by silicon controlled rectifier 0935 Should the winding and thus that of the secondary voltages of Τ948 is Preregul...

Page 50: ...ime constant of R987 and C987 windings of Τ948 The 100 V supply uses CR954 and determining the oscillation period When the output of the CR955 for rectification and C954 for filtering Diodes CR956 multivibrator is at the positive supply voltage CR988 is for and CR957 rectify ac from taps on the 100 V winding and ward biased This reverse biases CR989 and the PROBE C956 filters the output to produce...

Page 51: ...stated in the test setup and in the procedure ter repair or component replacement itself may need to be altered STRUCTURE Detailed operating instructions for test equipment are not given in this procedure If more operating informatio n is re This procedure is structured into four major subsections quired refer to the appropriate test equipment instruction each of which can be performed independent...

Page 52: ...506 levels 10 mV to 50 V and adjustments Calibration Generator a Accuracy 0 3 High amplitude signal levels 1 V to 60 V Repetition rate 1 kHz Fast rise signal level 1V Repetition rate 1 MHz Rise time 1 ns or less Flatness 0 5 Table 4 1 Test Equipment Required Frequency 250 kHz to above Vertical horizontal and 100 MHz Output amplitude triggering checks and variable from 10 mV to 5 V adj ustments ρ p...

Page 53: ...f Suitable Test Equipment Tektronix Part Number 103 0030 00 Tektronix Part Number 013 0084 02 TEKTRONIX DM 501A Digital Multimeter a TEKTRONIX 2213 Oscillosco pe Triplett Model 630 NA Xcelite R 3323 J F D Electronics Corp Adjsutment Tool Number 5284 INDEX TO PERFORMANCE Page CHECK STEPS 4 Check Delay Jitter 4 11 Vertical Page 5 Check Position Range 4 11 1 Check Deflection Accuracy and Variable Ran...

Page 54: ...Σ VERT MODE Α SOURCE ΙΝΤ Α ΕΧΤ COUPLING AC PROCEDURE STEPS 1 Check Deflection Accuracy and Variable Range α Connect the standard amplitude generator output via α 50 Ω cable to the CH 1 OR Χ input connector VERTICAL 2 mV 5 mV 10 mV 20 mV 50 mV 0 1 V 0 2 V 0 5 V 1 V 2 V 5 V 10 mv 5 4 90 to 5 10 20 mV 4 3 92 to 4 08 50 mV 5 4 90 to 5 10 0 1 V 5 4 90 to 5 10 0 2 V Ι 4 0 5 V Ι 5 10 V Ι 5 20 V Ι 4 d Rep...

Page 55: ...onnect the test equipment from the instrument BW LI MIT Off button out e Move the cable from the CH 2 OR Υ input connector to VOLTS DIV both 2 mV the CH 1 OR Χ input connector and set the VERTICAL AC G N D DC both DC MODE switch to CH 1 Α SEC DIV 0 05 Ειs f Repeat parts c and d using the Channel 1 controls b Connect the fast rise positive going square wave out put via α 50 Ω cable α 10Χ attenuator...

Page 56: ...On button in CH 1 VOLTS DIV 10 mV Α SEC DIV 20 μs b Set the generator to produce α 50 kHz 6 division display c Increase the generator output frequency until the dis play amplitude decreases to 4 2 divisions d CHECK Generator output frequency is between 18 and 22 MHz 7 Check Common Mode Rejection Ratio α Set BW LI MIT Off button out CH 2 VOLTS DIV 10 mV INVERT On button in b Connect the leveled sin...

Page 57: ...ss f Move the cable from the CH 1 OR Χ input connector to the CH 2 OR Υ input connector VERTICAL MODE CH 1 g Set VOLTS DIV both 1 V VOLTS DIV Variable both CAL detent VERTICAL MODE CH 1 INVERT Off button out Channel 1 AC GND DC GND Channel 2 AC GN D DC GND Channel 2 AC GN D DC DC Α SEC DIV 0 1 us h CHEC K Display amplitude is 0 05 division or less b Connect the leveled sine wave generator output v...

Page 58: ...OPE OUT LEVEL Fully clockwise Α TRIGGER VAR HOLDOFF NORM Mode NORM SLOPE OUT LEVEL Midrange Α Β ΙΝΤ VERT MODE Α SO URCE ΙΝΤ Α ΕΧΤ COUPLING DC 10 HORIZONTAL I NITIAL CONTROL SETTI NGS PROCEDURE STEPS 1 Check Timing Accuracy and Linearity α Connect the time mark generator output via α 50 Ω cable and α 50 Ω termination to the CH 1 OR Χ input connector b Select 50 ns time markers from the time marker ...

Page 59: ...he 100th magnified division k Repeat parts i and j for the remaining Α SEC DIV and time mark generator setting combinations shown in Table 4 4 under the Χ10 Magnified column Ι Set HOR IZONTAL MODE Β Α SEC DIV 0 1 As Β SEC DIV 0 05 μs Χ10 M agnifier Off knob in m Repeat parts b through k for the Β Sweep Keep the Α SEC DIV switch one setting slower than the Β SEC DIV switch HORIZONTAL MODE Α Α and Β...

Page 60: ...μs 0 5 μs 5 μs 0 5 ms 50 As 0 5 ms 5 ms 0 5 ms 5 ms 0 5s 50 ms 0 5s Α SEC DIV 0 5 ms Β SEC DIV 50 μs Β D ELAY TIME POSITION 1 00 q Select 0 5 ms time markers from the time mark generator j Set r Adjust the Horizontal POSITION control so that the rising edge of the displayed time marker is aligned with the Channel 1 AC GND DC DC center vertical graticule line HOR IZONTAL MODE Β Α SEC DI V 0 5 As Β ...

Page 61: ...tandard amplitude generator output via leading edge of the time marker does not exceed 0 5 divi α 50 Ω cable to the CH 1 OR Χ input connector sion Disregard slow drift ε Set the generator to produce α 50 mV signal Vertically 5 Check Position Range center the trace using the Channel 1 POSITION control d CHECK Display is 4 85 to 5 15 horizontal divisions e Disconnect the test equipment from the inst...

Page 62: ...tor Item 2 50 Ω BNC Termination Item 5 50 Ω BNC Cable Item 4 INITIAL CONTROL SETTINGS ε Set the CH 1 VOLTS DIV switch to 50 mV d CHECK Stable display can be obtained by adjusting the Α TR IGGER LEVEL control for each switch combination given in Table 4 6 Table 4 6 Switch Combinations for Α Triggering Checks Α TRIGGER Mode g Set VERTICAL MODE CH 2 HORIZONTAL MODE Α Α Β ΙΝΤ CH 2 i Repeat parts d thr...

Page 63: ...utton e Set the generator output voltage to 120 mV and the frequency to 60 MHz Set the Χ10 Magnifier to On knob out f Repeat parts c and d g Set the generator output voltage to 200 mV and the frequency to 100 MH z h Repeat parts ε and d 3 Check External Trigger Ranges α Set CH 1 VOLTS DIV 0 5 V Α SEC DIV 20 μS Χ10 Magnifier Off knob in Α TR IGG ER Mode NORM b Connect the leveled sine wave generato...

Page 64: ... The Α INTENSITY control may require adjustment to observe the single sweep trace b Set Channel 1 AC GND DC GND f Press in the SGL SWP button several times Α SOURCE ΙΝΤ g CHECK Single sweep trace occurs and the READY c Press in the SGL SWP button The READY LED LED illuminates briefly every time the SGL SWP button is should illuminate and remain on pressed in and released d Set the Channel 1 AC GND...

Page 65: ...UTO SLOPE OUT LEVEL Midrange Α Β ΙΝΤ VERT MODE Α SOURCE ΙΝΤ PROCEDURE STEPS 1 Check External Ζ Axis Operation Performance Check Procedure 2235 Service b Set the generator to produce α 5 V 50 kHz signal c CHEC K For noticeable intensity modulation The positive part of the sine wave should be of lower intensity than the negative part d Disconnect the test equipment from the instrument 2 Check Probe ...

Page 66: ... col umn to determine whether available test equipment will suffice Detailed operating instructions for test equipment are not given in this procedure If more operating informatio n is re quired refer to the appropriate test equipment instruction manual The limits and tolerances stated in this procedure are instrument specifications only if they are listed in the Per formance Requirements column o...

Page 67: ...ocused low intensity display Unless otherwise α complete readjustment of the instrument whereas only α noted adjust the INTENSITY FOCUS and TRIGGER LEV partial adjustment might otherwise be required Only change EL controls as needed to view the d isplay Adjustments or Replacements Made 8 6V POWER SUPPLY TRACE ALIGNMENT GEOMETRY 2 5mV DC BAL ANC E CH 1 VAR BALANC E MF LF GAI N BA L δ FREQ COMP VERT...

Page 68: ...alance 5 7 16 Check Α Sweep Holdoff 5 19 4 Adjust Channel 2 Invert Balance 5 7 5 Adjust MF LF Compensation and Gain Balance 5 7 6 Adjust Vertical Gain 5 8 7 Check Deflection Accuracy and Variable Range 5 8 Trigger 8 Check Input Coupling 5 8 9 Adjust Attenuator Compensation 5 9 1 Adjust Trigger Offset 5 20 10 Check Alternation Operation 5 10 2 Adjust Trigger Sensitivity 5 20 11 Check Chop Operation...

Page 69: ...EC K Voltmeter reading is 8 56 to 8 64 V If CH 1 VOLTS DIV Variable CAL detent the reading is within these limits skip to part d Channel 1 AC GND DC GND c ADJU ST The 8 6 V Adj potentiometer R938 for α POSITION Midrange voltmeter reading of 8 6 V HOR IZONTAL MODE Α Α SEC DIV Χ Υ SEC DIV Variable CAL detent Χ10 Magnifier Off knob in d CHECK Voltage levels of the remaining power sup plies listed in ...

Page 70: ...nter hori zontal graticule line c Disconnect the voltmeter leads and replace the crt cap 6 Adjust Geometry R870 and cover α Set CH 1 VOLTS DIV 50 mV Α SEC DIV 0 1 ms α Connect α 50 Ω termination to the ΕΧΤ Ζ AXIS I NPUT connector located on the rear panel b Connect 50 Ειs time markers from the time mark gen erator via α 50 Ω cable and α 50 Ω termination to the CH 1 OR Χ input connector c Adjust th...

Page 71: ...On button in α Position the trace on the center horizontal graticule VOLTS DIV 50 mV line using the Channel 1 POSITION control VOLTS DIV Variable CAL detent I NVERT Off button out AC GND DC GN D b Set the CH 1 VOLTS DIV switch to 5 mV Horizontal c ADJU ST Ch 1 Step ΒαΙ R10 to set the trace on the POSITION Midrange center horizontal graticule line H ORIZONTAL MODE Α Α SEC DI V 0 5 ms d Set the CH 1...

Page 72: ...itions of the CH 1 VOLTS DIV Variable control g Return the CH 1 VOLTS DIV Variable control to the CAL detent c Set the INVERT button to On button in d ADJUST Ch 2 Invert ΒαΙ R75 to set the trace to the center horizontal graticule line e Set the INVERT button to Off button out f Repeat parts b through e until there is no trace shift when switching the I NVERT button between the On and Off positions...

Page 73: ... this procedure Ι Set the VERTICAL MODE switch to CH 2 α Set b CHECK Deflection accuracy is within the limits given in Table 5 3 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 ...

Page 74: ...or to produce α 5 division display ΝΟΤΕ Adjustment Ι Channel 1 1 Channel 2 10Χ LF Comp C12 C62 10Χ Input C C11 C61 100Χ LF Comp C5 C55 100Χ Input C C4 C54 h Replace the 50 Ω cable and 50 Ω termination with the probe and probe tip to BNC adapter i Set the generator to produce α 5 division display j ADJU ST The 10Χ Input C capacitor for best flat top h Disconnect the test equipment from the instrume...

Page 75: ...Set the generator to produce α 1 MHz 5 division display d Set the top of the display to the center horizontal grati cule line using the Channel 1 POSITION control e ADJU ST HF Peak Comp C237 for 2 overshoot 0 1 division on the displayed signal f ADJU ST DL Compl 13240 and DL Comp2 R241 for best flat top on the front corner VERTICAL MODE BOTHand CHOP Α SEC DIV 1 As Α Β ΙΝΤ VERT MODE g Repeat parts ...

Page 76: ... the display to the center horizontal grati cule line using the Channel 2 POSITION control d ADJU ST Ch 2 2 mV Peak Comp C76 for 2 over shoot of the displayed signal e Move the cable from the CH 2 OR Υ input connector to 15 Check Position Range the CH 1 OR Χ input connector Set the VERTICAL MODE switch to CH 1 α Set f Repeat parts b through d for Channel 1 adjusting Ch 1 2 mV Peak Comp C26 in part...

Page 77: ...nstrument ΝΟΤΕ Install the instrument cabinet for the remaining vertical checks and allow α 20 minute warm up period before continuing with the Ad justment Procedure See the Cabinet remove and replace instructions located in the Maintenance section of the manual BW LI MIT Off button out VOLTS DIV both 2 mV VOLTS DIV Switch Setting 2 mV 5mV to5 V Generator Output Frequency 90 MHz 100 MHz d Repeat p...

Page 78: ...t continue with part h h Set the VERTICAL MOD E switch to CH 1 Ι Set the VERTICAL MODE switch to CH 1 m Set the generator to produce α 50 MHz 6 division display η Set the VERTICAL MODE switch to BOTH ο CHEC K Display amplitude is 0 6 division or less ρ Disconnect the test equipment from the instrument 20 Check Input Gate Current α Set VERTICAL MODE CH 1 VOLTS DIV both 2 mV VOLTS DIV Variable both ...

Page 79: ...e left Horizontal vertical graticule line using the Horizontal POSITION control POSITION Midrange HOR IZONTAL MODE Α Α and Β SEC DIV 0 1 ms SEC DIV Variable CAL detent Χ10 M agnifier Off knob in Β D ELAY TIME POSITION Fully counterclockwise Β TRIGGER SLOPE OUT LEVEL Fully clockwise Α TRIGGER See ADJUSTMENT L OCATIONS 1 and ADJUSTMENT LOCATIONS 3 at the back of the manual for test points and adjust...

Page 80: ...ime marker to the center vertical graticule line f Set the Χ10 Magnifier to On knob out and CHECK for no horizontal shift in the time marker g Repeat parts ε through f until no further improvement is noted 4 Check Sweep Length α Set Channel 1 AC GN D DC GND Χ10 Magnifier Off knob in b Position the start of the sweep at the first vertical graticule line using the Horizontal POSITION control Adjustm...

Page 81: ... generator c ADJUST Α High Speed Timing C703 for 1 time marker per division over the center 8 divisions d Set 9 Adjust 5 ns Timing and Linearity C775 and C785 α Set CH 1 VOLTS DIV 0 2 V HORIZONTA L MODE Α Α SEC DIV 0 05 μs Χ10 Magnifier On knob out b Select 10 ns time markers from the time mark generator c Align the time markers with the vertical graticule lines using the Horizontal POSITIO N cont...

Page 82: ...s 5 ms Α Sweep Only 0 1 s 0 2s 0 5s NOTE b Align the start of the Α Sweep with the 1 st vertical For checking the timing accuracy of the Α SEC DlV graticule line using the Horizontal POSITION control switch settings from 50 ms to 0 5 s watch the time marker tips only at the 2nd and 10th vertical graticule c CHECK Intensified portion of the trace starts within lines while ad justing the Horizontal ...

Page 83: ... us 5 ps 0 5 us 5 μs 0 5 ms 50 μs 0 5 ms 5 ms 0 5 ms 5 ms 0 5 s 50 ms 0 5 s Α SEC DIV 5 μs Β SEC DIV 0 5 μs Β DELAY TIME POSITIO N 1 00 q Select 5 μs time markers from the time mark generator r Adj ust the Horizontal POSITION control so that the rising edge of the displayed time marker is aligned with the center vertical graticule line s Without changing the Horizontal POSITION control setting tur...

Page 84: ...ront end of R707 toward the front panel which is locat ed on the Timing circuit board b Connect α 50 mV standard amplitude signal via α 50 Ω cable to the CH 1 or Χ input connector ε ADJUST Χ Gain R760 for exactly 5 divisions of horizontal deflection d Disconnect the test equipment from the instrument 15 Check Χ Bandwidth Adjustment Procedure 2235 Service d CHECK Display is at least 3 5 horizontal ...

Page 85: ... and VERTICAL MODE BOTH ALT Channel 2 POSITION controls BW LIMIT Off button out VOLTS DIV 0 5 V VOLTS DIV Variable CAL detent b Connect the digital voltmeter low lead to chassis I NVERT Off button out ground and the high volts lead to W4000 1 Alt Sweep AC GND DC GND Logic circuit board connector to the Main circuit board c CHECK The offset voltage reading is less than 80 Horizontal mV Note the rea...

Page 86: ...kwise Adjustment Procedure 2235 Service ε Set the CH 1 VOLTS DIV switch to 50 mV d CHECK Stable display can be obtained by adjusting the ΑTRIGGER LEVEL control for each switch combination 3 Adjust Slope Balance R471 given in Table 5 8 Table 5 8 Switch Combinations for Α Triggering Checks NORM Ρ Ρ AUTO Ρ Ρ AUTO e Set the HORIZONTA L MODE switch to Β b Set the generator to prod uce α 50 kHz 5 divisi...

Page 87: ...table display can be obtained by adjusting the Α TR IGG ER LEVEL control for each switch combination given in Table 5 8 Then release the TR IG VI EW button e Set the generator output voltage to 120 mV and the frequency to 60 MHz Set the Χ10 M agnifier to On knob out f Repeat parts c and d g Set the generator output voltage to 200 mV and the frequency to 100 MHz h Repeat parts c and d i Disconnect ...

Page 88: ...IGGER LEVEL con trol is rotated h CHECK Display is not triggered no trace at either extreme of rotation 8 Check Single Sweep Operation α Adjust the Α TRIGGER LEVEL control to obtain α sta ble display g CHECK Single sweep trace occurs and the READY LED illuminates briefly every time the SGL SWP button is pressed in and released b Set Adjustment Procedure 2235 Service e CHECK READY LED goes out and ...

Page 89: ...C DIV Variable CAL detent Χ10 Magnifier Off knob in 2 Check Probe Adjust Operation Α TRIGGER VAR HOLDOFF NORM Mode Ρ Ρ AUTO S LOPE OUT LEVEL Midrange Α Β ΙΝΤ VERT MODE Α SO URCE ΙΝΤ PROCEDURE STEPS 1 Check External Ζ Axis Operation b Set the generator to produce α 5 V 50 kHz signal c CHECK For noticeable intensity modulation The positive part of the sine wave should be of lower intensity than the ...

Page 90: ...linear microcircuits with MOS inputs Most Sensitive Schottky signal diodes Schottky TTL High frequency bipolar transistors JFETs Linear microcircuits Low power Schottky TTL TTL Least Sensitive Section 6 2235 Service Relative Susceptibility Levelse 2 3 4 5 6 7 8 9 2 Transport and store static sensitive components or assemblies in their Original containers or on α metal rail avoltage equivalent for ...

Page 91: ...trument can cause overheating and component water solution breakdown Dirt on components acts as an insulating blanket preventing efficient heat dissipation It also provides an electrical conduction path that could result in Interior instrument failure especially under high humidity conditions To gain access to internal portions of the instrument for inspection and cleaning refer to the Removal and...

Page 92: ...alcohol Loose plugs or connectors Burned broken or frayed wiring Dents deformations and damaged hardware If any electrical component is replaced conduct α Perfor CLEANING To clean the interior blow off dust with dry mance Check of the affected circuit and of other closely low pressure air approximately 9 psi Remove any remain related circuit see Section 4 If repair or replacement work ing dust wit...

Page 93: ... the switch control knob about 180 and again spray α very small amount of lubricant into each slot LUBRICATION Most of the potentiometers used in this instrument are permanently sealed and generally do not require periodic lubrication All switches both rotary and lever type are in stalled with proper lubrication applied where necessary and will rarely require any additional lubrication Therefore α...

Page 94: ...ciated Also provided in the Diagrams section is an illustration of the bottom side of the Main circuit board This drawing facilitates troubleshooting by showing the connection pads and the location of components that are mounted on the top side of the board Probing of Main board component signals that are inaccessible from the top side can be achieved with out the necessity of disassembling portio...

Page 95: ...ISTOR COLOR CODE Resistors used in this instru ment are carbon film composition or precision metal film types They are color coded with the ΕΙΑ color code howev er some metal film resistors may have the value printed on the body The color code is interpreted by starting with the strip that is nearest to one end of the resistor Composition resistors have four stripes these represent two significant...

Page 96: ...sitive current sensitive or volt age sensitive components or assemblies ensure that any voltage or current supplied by the test equipment 5 Isolate Trouble to α Circuit does not exceed the limits of the component to be tested To isolate problems to α particular area use the trouble symptom to help identify the circuit in which the trouble is located Refer to the troubleshooting charts in the Dia 1...

Page 97: ... on the schematic dia are small the best way to check them is by connecting α grams are not absolute andmay vary slightly between sensitive voltmeter across the junction rather than compar ίnstruments To establish operating conditions similar ing two voltages taken with respect to ground If the former to those used to obtain these readings see the Volt method is used both leads of the voltmeter mu...

Page 98: ...n the meter leads are reversed response when high frequency signals are passed through the circuit When troubleshooting α field effect transistor the volt age across its elements can be checked in the same manner CAPACITORS Α leaky or shorted capacitor can best be as previously described for other transistors However re detected by checking resistance with an ohmmeter set to member that in the nor...

Page 99: ...gh frequencies Always use direct replacement components unless it is known that α substitute will not degrade instrument performance Special Parts CORRECTIVE MAINTENANCE 1 Instrument type include modification or option numbers 2 Instrument serial number 3 Α description of the part if electrical include its com ponent number 4 Tektronix part number MAINTENANC E AIDS The maintenance aids listed in T...

Page 100: ...ance return them to their original board locations Unnecessary replacement or transposing of semiconductor devices may affect the adjust ment of the instrument When α semiconductor is replaced check the performance of any instrument circuit that may be affected Replace circuit board connector pins Isolate the instrument from the ac power source outlet Power supply ripple check Signal interconnecti...

Page 101: ... this section 2 When removing α multipin component especially an To avoid an electric shock hazard observe the follow IC do not heat adjacent pins consecutively Apply heat to ίηgprecautions before attempting any soldering turn pins at alternate sides and ends of the IC as solder is re the instrument off disconnect if from the ac power moved Allow α moment for the circuit board to cool before sourc...

Page 102: ... components Circuit board and component locations are shown in the Diagrams section WA RNI NG Cabinet Use care w hen handling α crt Breakage of the crt may cause high velocity scattering of glass fragments implosion Protective clothing and safety glasses WARNING should be worn Avoid striking the crt on any ob ject w hich may cause it to crack or implode When storing α crt either place it in α prot...

Page 103: ... reinstall the Power Supply shield perform the follow place Insert the crt crt shield anode lead and Trace Rota ing steps tion leads through the front panel opening Make sure all pins are straight and that the indexing keys on the crt base 7 Insert the shield into the chassis frame Make sure socket and shield are aligned Make sure that the ground that the shield s right and back edges are in their...

Page 104: ...ubpanel lo cated underneath the CH 1 and CH 2 input connectors 4 U nsolder the resistors from the CH 1 and CH 2 input connectors 5 Remove the following connectors from the Attenuator circuit board noting their locations for reinstallation reference α Ρ9103 α four wire connector located behind the CH 1 VOLTS DIV switch assembly b Ρ9108 α four wire connector located behind the CH 2 VOLTS DIV switch ...

Page 105: ...circuit board interconnecting pins are disengaged and the switch shaft is clear of the 14 Resolder the resistors to the CH 1 and CH 2 input Front Panel circuit board connectors disconnected in step 3 To reinstall the Timing circuit board perform the follow 15 Reinstall the two VOLTS DIV knobs at the positions ing steps noted in step 2 8 Insert the SEC DIV switch shaft through the hole in the Front...

Page 106: ...1 of the Attenuator Circuit Board reinstallation procedure and to steps 9 and 10 of the Tim ing Circuit Board reinstallation procedure 7 Insert the three switch shafts through the holes in both the Front Panel circuit board and the front panel refer to the Attenuator Circuit Board and the Timing Circuit Board reinstallation procedures 8 Reinstall the four screws holding the Bottom shield to the Ma...

Page 107: ...the ΕΧΤ I NPUT ground lug cuit board may be accessed for removal and replace unsoldered in step 4 ment Skip to step 11 of this procedure after component replacement If circuit board replacement 17 Replace the front panel knobs removed in step 3 is Intended continue with the remaining disassembly steps 18 Reinstall the Bottom shield Attenuator and Timing circuit board module see the preceding reins...

Page 108: ...es at the rear and right side of the frame and that the 39 wire straps are inserted into their corresponding holes The crt anode lead and the output terminal to the High Voltage Multiplier will retain a high voltage charge after the instrument is turned off To avoid 19 Reinstall three screws securing the Main circuit electrical shock ground the crt side of the anode lead board to the chassis frame...

Page 109: ...onnectors to the Attenuator and or industrial stapler Timing circuit boards removed in step 5 SELECTABLE COMPONENTS 31 Resolder five wires from the Filter circuit board to the Main circuit board unsoldered in step 4 If desired the trigger system bandwidth of the oscillo scope may be reduced from the normal 20 MHz to frequen cies shown in Table 6 6 To alter the bandwidth remove 32 Reinstall the Pow...

Page 110: ...OPTIONS Section 7 2235 Service There are currently no options for the 2235 except the optional power cords previously described in Section 2 ...

Page 111: ...he part is located C ROSS I ND EX MFR COD E NU MBER TO MANUFACTURER The Mfr Code Number to Manufacturer i ndex for the Electrical Parts List is located immediately after t his page The Cross Index provides codes names and addresses of manufac turers of components listed in t he Electrical Parts List ABBREVIATIO NS A bbreviations conform to American National Standard Y1 1 COMPO NENT NUMBER colum n ...

Page 112: ...S DEL MAR AVE SAN GABRIEL CA 91776 15238 ΙΤΤ SEMICONDUCTORS Α DIVISION OF INTER NATIONAL TELEPHONE A ND TELEGRAPH CORP Ρ Ο BOX 168 500 BROADWAY LAWRENCE MA 01841 15454 RODAN INDUSTRIES INC 2905 BLUE STAR ST ANAHEIM CA 92806 18324 SIGNETICS CORP 811 Ε A RQUES SUNNYVALE CA 94086 19396 ILLINOIS TOOL WORKS INC PAKTRON DIV 900 FOLLIN LANE SE VIENNA VA 22180 20462 PREM ENTERPRISES INC 3519 Ν CHAPEL HILL...

Page 113: ...E ELECTRICAL COMP ONENTS DIVISIO N SHERM AN AVE SIDNEY NY 13838 80009 TEKTRONIX INC Ρ Ο BOX 500 BEAVERTON OR 97077 80031 ELECTRA MIDLAND CORP MEPCO DIV 22 CO LUMBIA ROAD MORRISTOWN NJ 07960 82389 SWITCHCRAFT INC 5555 Ν ELSTON AVE CHICAGO IL 60630 90201 MALLORY CAPACITOR CO DIV OF 3029 Ε WASHINGTON STREET Ρ R MALLORY AND CO INC Ρ Ο BOX 372 INDIANAPOLIS IN 46206 91637 DALE ELECTRONICS INC Ρ Ο BOX 60...

Page 114: ...20932 401 ES 100AD102Z AlC220 281 0772 00 CAP FXD CER DI 0 0047UF 10 100 V 04222 GC701C472K AlC225 281 0862 00 CAP FXD CER DI O OOI UF 80 20 100 V 20932 401 ES 100AD102Z AlC226 281 0862 00 CAP FXD CER DI 0 001 UF 80 20 100 V 20932 401 ES 100AD102Z A lC228 283 0665 00 CAP FXD MICA D 190 PF 1 100V 00853 D155F191 F0 AlC229 283 0665 00 CAP FXD MICA D 190PF 1 100V 00853 D155F191 FO AlC237 281 0140 00 C...

Page 115: ...4222 GC101C182KAA AlC519 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 ΜΑ 205Ε104ΜΑΑ Α1 C520 290 0246 00 CAP FXD ELCTL T 3 3UF 10 15V 56289 162D335X9015CD2 AlC525 281 0895 00 CAP FXD CER DI 6 8PF t00WVDC 04222 MA101A6R8DAA AlC527 281 0797 00 CAP FXD CER D1 15PF 10 100 V 72982 8035D9AADCOG150K AlC531 281 0773 00 CAP FXD CER DI 0 01 UF 10 100 V 04222 SA201C103KAA Al C537 281 0775 00 CAP FXD CER DI ...

Page 116: ...F 20 3000V 59660 878 530 Y5SO102M AlC904 285 1192 00 CAP FXD PPR DI 0 0022UF 20 250 VAC OOOFG ΡΜΕ271 Υ422 AlC906 290 0978 00 CAP FXD ELCTLT 75UF 50 10 450V 56289 17D1149 AlC907 285 0932 00 CAP FXD PLSTC I UF 10 400 V 14752 230Β1Ε105Κ AlC908 283 0481 00 CAP FXD CER DI 220PF 10 250 VAC OOOLD RK0611 A1C917 281 0812 00 CAP FXD CER DI 1000PF 10 t00 V 72982 8035D9AADX7R102K A1C919 281 0852 00 CAP FXD CE...

Page 117: ...ILICON 30V 150 MA 01295 1 N4152R AlCR768 152 0141 02 SEMICOND DEVICE SILICON 30V 150 MA 01295 1 N4152R AlCR770 152 0141 02 SEMICOND DEVICE SILICON 30V 150 MA 01295 1 N4152R AlCR780 152 0141 02 SEMICOND DEVICE SILICON 30V 150 MA 01295 1 N4152R AlCR805 152 0141 02 SEMICOND DEVICE SI LICON 30V 150 MA 01295 1 N4152R AlCR818 152 0141 02 SEMICOND DEVICE SI LICON 30V 150 MA 01295 1 N4152R AlCR820 152 014...

Page 118: ...3 88724 Α 10102 151 0712 00 TRANSISTOR SILICON NPN 04713 SPS8223 A1Q103 151 0712 00 TRANSISTOR SILICON NPN 04713 SPS8223 Α10114 151 0190 00 TRANSISTOR SILICON NPN 07263 S032677 AIQ115 151 0190 00 TRANSISTOR SILICON NPN 07263 S032677 A1Q152 151 0712 00 TRANSISTOR SILICON NPN 04713 SPS8223 Α10153 151 0712 00 TRANSISTOR SILICON NPN 04713 SPS8223 A1Q164 151 0190 00 TRANSISTOR SILICON NPN 07263 S032677...

Page 119: ...ICON PNP 04713 SPS6868K Al 0825 151 0424 00 TRANSISTOR SILICON NPN 04713 SPS8246 Α10829 151 0199 00 TRANSISTOR SILICON PNP 04713 SPS6866K AlIQ835 151 0199 00 TRANSISTOR SILICON PNP 04713 SPS6866K Α10840 151 0347 00 TRANSISTOR SILICON NPN 56289 2Ν5551 AlQ845 151 0350 00 TRANSISTOR SILICON PNP 04713 SPS6700 A1Q885 151 0443 00 TRANSISTOR SILICON PNP 04713 SPS7950 Α10908 151 0164 00 TRANSISTOR SILICON...

Page 120: ...W 91637 MFF1816G19600 F A1 R164 321 0225 00 RES FXD FILM 2 15K ΟΗΜ 1 0 125 W 91637 MFF1816G21500 F A1 R165 321 0225 00 RES FXD FILM 2 15K ΟΗΜ 1 0 125 W 91637 MFF1816G21500 F Α1 R170 321 0123 00 RES FXD FILM 1870ΗΜ 1 0 125W 91637 MFF1816G187 ROF A1 R171 321 0123 00 RES FXD FILM 1870HM 1 0 125W 91637 MFF1816G187 ROF Al R172 315 0750 00 RES FXD CMPSN 750 HM 5 0 25W 01121 CB7505 Α1 R175 315 0242 00 RE...

Page 121: ...10 00 RES FXD FILM 137OΗΜ 1 0 125 W 91637 MFF1816G137 ROF Al R255 321 0110 00 RES FXD FILM 137ONΜ 1 0 125 W 91637 MFF1816G137 ROF Al R256 322 0175 00 RES FXD FILM 649 ΟΗΜ 1 0 25W 75042 CEBTO 649OF Al R257 322 0175 00 RES FXD FILM 649OΗΜ 1 0 25W 75042 CEBTO 649OF Al R258 322 0180 00 RES FXD FILM 732ONΜ 1 0 25W 75042 CEBTO 732OF Al R259 322 0180 00 RES FXD FI LM 732OΗΜ 1 0 25W 75042 CEBTO 732OF Al R...

Page 122: ...ILM 102 ΟΗΜ 1 0 125 W 91637 MFF1816G102 ROF Al R339 321 0170 00 RES FXD FILM 5760HM 1 0 125 W 91637 MFF1816G576 ROF Al R340 321 0170 00 RES FXD FILM 5760HM 1 0 125 W 91637 MFF1816G576 ROF Al R342 321 0209 00 RES FXD FILM 1 47K ΟΗΜ 1 0 125W 91637 MFF1816G14700 F Al R343 321 0198 00 RES FXD FILM 1 13K ΟΗΜ 1 0 125W 91637 MFF1816G1130O F Al R344 321 0213 00 RES FXD FILM 1 62K ΟΗΜ 1 0 125W 91637 MFF181...

Page 123: ...5 Α1 R424 315 0203 00 RES FXD CMP SN 20K ΟΗΜ 5 0 25W 01121 CB2035 All R426 315 0434 00 RES FXD CMPSN 430K ΟΗΜ 5 0 25W 01121 CB4345 Α1 R427 315 0434 00 RES FXD CMPSN 430K 0ΗΜ 5 0 25W 01121 CB4345 Α1 R 428 315 0102 00 RES FXD CMPSN 1 Κ ΟΗΜ 5 0 25W 01121 CB1025 Al R429 315 0102 00 RES FXD CMPSN 1 Κ ΟΗΜ 5 0 25W 01121 CB1025 Al R432 315 0823 00 RES FXD CMPSN 82K ΟΗΜ 5 0 25W 01121 CB8235 At R433 315 082...

Page 124: ...Μ 5 0 25W 01121 CB4715 Α1 R516 315 0392 00 RES FXD CMP SN 3 9K ΟΗΜ 5 0 25W 01121 CB3925 Al R517 315 0432 00 RES FXD CMP SN 4 3K ΟΗΜ 5 0 25W 01121 CB4325 At R518 315 0102 00 RES FXD CMP SN I K ΟΗΜ 5 0 25W 01121 CB1025 All R523 315 0153 00 RES FXD CMP SN 15K ΟΗΜ 5 0 25W 01121 CB1535 Al R524 321 0318 00 RES FXD FILM 20K ΟΗΜ 1 0 125W 91637 MFF1816G20001 F Al R525 321 0322 00 RES FXD FILM 22 1K ΟΗΜ 1 0...

Page 125: ...MFF1816G133 ROF AlR768 321 0158 00 RES FXD FILM 432 ΟΗΜ 1 0 125W 91637 MFF1816G432 ROF Α1 R770 315 0470 00 RES FXD CMP SN 47 ΟΗΜ 5 0 25W 01121 CB4705 Al R773 321 0182 00 RES FXD FILM 7680HM 1 0 125W 91637 MFF1816G768 ROF Al R775 323 0310 00 RES FXD FILM 16 5K ΟΗΜ 1 0 50W 75042 CECTO 1652 F Al R776 321 0205 00 RES FXD FILM 1 33K ΟHΜ 1 0 125 W 91637 MFF1816G13300 F Α1 R777 315 0470 00 RES FXD CMPSN ...

Page 126: ...OHM 5 0 25W 01121 CB5135 At R874 311 1555 00 RES VAR NONWIR 100 K ΟΗΜ 20 0 5W 73138 91 77 0 Α1 R875 315 0102 00 RES FXD CMP SN 1 Κ OHM 5 0 25W 01121 CB1025 All R877 315 0102 00 RES FXD CMPSN I K OHM 5 0 25W 01121 CB1025 AlR879 315 0514 00 RES FXD CMPSN 510K OHM 5 0 25W 01121 CB5145 AlR885 315 0912 00 RES FXD CMPSN 9 1 K 0ΗΜ 5 0 25W 01121 CB9125 AlR886 315 0184 00 RES FXD CMPSN 180 K OHM 5 0 25W 01...

Page 127: ...DPDT 4A 250V AC W BRKT 31918 ΝΕ15 F2U103EE ΑlΤ390 120 1401 00 X FMR TRIG 54937 OB D ΑlΤ906 120 1439 00 TRANSFORMER RF ENERGY STORAGE 20462 OB D ΑlΤ944 120 1347 00 TRANSFORMER RF DRIVER SATURATI NG POT CO RE 80009 120 1347 00 ΑlΤ948 120 1348 00 Β010100 8010379 X FMR PWR SDN SU HIGH VOLTAGE 80009 120 1348 00 ΑlΤ948 120 1348 01 8010380 X FMR PWR SDN SU HIGH VOLTAGE 80009 120 1348 01 ΑlΤΡ940 131 0589 ...

Page 128: ...8 JWW 0200ΕO Α1 W556 131 0566 00 BUS CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W558 131 0566 00 BUS CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W560 131 0566 00 BUS CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W570 131 0566 00 BUS CO NDUCTOR MUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W582 131 0566 00 BUS CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Al W590 131 ...

Page 129: ...S CONDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO AlW995 131 0566 00 BU S CONDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W997 131 0566 00 BUS CONDUCTORMUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W998 131 0566 00 BUS CONDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Α1 W999 131 0566 00 BUS CONDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO Al W9000 131 1817 00 LINK TERM CONNE 22 AWG 2 25 LONG...

Page 130: ...001UF 80 20 100V 20932 401 ES 100AD102Z A2C67 281 0862 00 CAP FXD CER DI 0 001UF 80 20 100V 20932 401 ES 100AD102Z A2C71 281 0773 00 CAP FXD CER DI 0 01UF 10 t00V 04222 SA201C103KAA A2C76 281 0158 00 CAP VAR CER D1 7 45PF 56V 73899 DVJ 5006 A2C77 281 0893 00 CAP FXD CER DI 4 7PF 0 5PF t00V 04222 MA101A4R7DAA A2C80 281 0775 00 CAP FXD CER DI 0 1 UF 20 50V 04222 ΜΑ205Ε104ΜΑΑ A2C85 281 0862 00 CAP FX...

Page 131: ... 5 0 25W 01121 CB1015 A2R35 321 0144 00 RES FXD FILM 309 ΟΗΜ 1 0 125W 91637 MFF1816G309 ROF A2R37 315 0102 00 RES FXD CMPSN 1Κ ΟΗΜ 5 0 25W 01121 CB1025 A2R38 321 0144 00 RES FXD FILM 309 ΟΗΜ 1 0 125W 91637 MFF1816G309ROF A2R39 315 0242 00 RES FXD CMPSN 2 4K ΟΗΜ 5 0 25W 01121 CB2425 Α21141 321 0154 00 RES FXD FILM 392 ΟΗΜ 1 0 125W 91637 MFF1816G392ROF A2R42 315 0333 00 RES FXD CMPSN 33K ΟΗΜ 5 0 25W...

Page 132: ...997 91 Ζ 1D ΖΟ7 ΕΑ0037 A2R96 315 0472 00 RES FXD CMP SN 4 7K ΟΗΜ 5 0 25W 01121 CB4725 A2R97 311 1224 00 RES VAR NONWIR 500 ΟΗΜ 20 0 50W 32997 3386F ΤΟ4 501 A2R98 315 0512 00 RES FXD CMP SN 5 1 K ΟΗΜ 5 0 25W 01121 CB5125 A2R9100 315 0620 00 RES FXD CMPSN 62 ΟΗΜ 5 0 25W 01121 C86205 A2R9510 315 0620 00 RES FXD CMPSN 62 ΟΗΜ 5 0 25W 01121 CB6205 A2S1 105 0934 00 ACTUATOR CAM SW AC GND DC 80009 105 093...

Page 133: ... ΟΗΜ 5 0 25W 01121 CB2205 A3R380 321 0459 00 RES FXD FILM 590K ΟΗΜ 1 0 125W 91637 MFF1816G59002F A3R438 311 2178 00 RES VAR NONWW PNL 500 ΟΗΜ 10 O 5W 01121 W8650A A3R519 315 0682 00 RES FXD CMPSN 6 8K ΟΗΜ 5 0 25W 01121 CB6825 A3R520 315 0912 00 RES FXD CMPSN 9 1 Κ ΟΗΜ 5 0 25W 01121 CB9125 A3R602 311 2147 00 RES VAR NONWIR PNL 5K ΟΗΜ 20 0 50W 01121 W8615B A3R726 311 2147 00 RES VAR NONWIR PNL 5K ΟΗ...

Page 134: ...1295 MICROA741C P A3W89 131 0566 00 BUS CO NDUCTORDUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO A3W515 131 0566 00 BU S CO NDUCTORMUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO A3W534 131 0566 00 BU S CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO A3W539 131 0566 00 BUS CO NDUCTOR DUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO A3W630 131 0566 00 BUS CO NDUCTORDUMMY RES 2 375 22 AWG 57668 JWW 0200ΕO 8 2α REV ΜΑΥ 1...

Page 135: ...TRANSISTOR SILICON NPN 04713 SPS8246 Α40704 151 1042 00 SEMICOND DVC SEWATCHED PAIR FET 01295 SKA5390 Α40706 151 0736 00 TRANSISTOR SILICON NPN 04713 SPS8317 Α40709 151 0424 00 TRANSISTOR SILICON NPN 04713 SPS8246 Α40710 151 1042 00 SEMICOND DVC SEWATCHED PAIR FET 01295 SKA5390 Α40712 151 0736 00 TRANSISTOR SILICON NPN 04713 SPS8317 Α40732 151 0712 00 TRANSISTOR SILICON NPN 04713 SPS8223 Α40737 15...

Page 136: ...1 K OHM 5 0 25W 01121 CB1135 Α4R749 311 1560 00 RES VAR NONWIR 5K 0ΗΜ 20 O 50W 73138 91 82 0 A4R750 315 0113 00 RES FXD CMP SN 11 K ΟΗΜ 5 0 25W 01121 CB1135 A4R751 321 0326 00 RES FXD FILM 24 3K 0NΜ 1 0 125W 91637 MFF1816G24301 F A4R752 315 0100 00 RES FXD CMP SN 10 ΟΗΜ 5 0 25W 01121 CB1005 A4R753 321 0216 00 RES FXD FILM 1 74K 0ΝΜ 1 b 0 125W 91637 MFF1816G17400F A4R754 311 0622 00 RES VAR NONWIR ...

Page 137: ...5 151 0198 00 TRANSISTOR SILICON NPN SEL FROM MPS918 04713 SPS8802 1 A5R604 315 0242 00 RES FXD CMP SN 2 4K ΟΗΜ 5 0 25W 01121 CB2425 Α511605 321 0203 00 RES FXD FILM 1 27K ΟΗΜ 1 0 125 W 91637 MFF1816G12700 F A5R606 321 0201 00 RES FXD FILM 1 21 K ΟΗΜ 1 0 125 W 91637 MFF1816G1210O F Α513609 315 0222 00 RES FXD CMP SN 2 2K ΟΗΜ 5 0 25W 01121 CB2225 A5R610 315 0241 00 RES FXD CMP SN 240 ΟΗΜ 5 0 25W 01...

Page 138: ...LI DUAL DIFF AMPL 14 LID DI P 80009 156 0534 00 A5U625 156 1641 00 MICROCIRCUIT DI ECL QUAD 2 INPUT NO R GATE 80009 156 1641 00 A5U655 156 1126 00 MICROCIRCUIT LL VOLTAGE CO MPARATOR 51984 UPC311C A5U660 156 0385 02 M ICROCIRCUIT DI HEX INVER TER 01295 SN74LS04 Α51J665 156 0382 02 Μ ICROCIRCUIT DI QUAD 2 ΙΝΡ NAND GATE 01295 SN74LS00 Α51J670 156 1611 00 MICROCIRCUIT DI DUAL D TYPE EDGE TRIGGERED 07...

Page 139: ...0531 00 LEAD ELECTRICAL 18 AWG 3 0 L 8 01 80009 196 0531 00 A6W9091 196 0505 00 LEAD ELECTRICAL 18 AWG 3 0 L 8 9 80009 196 0505 00 CHASSIS PARTS DL9210 119 1515 00 DELAY LINE ELEC 93NS 150 OHM ASSY 80009 119 1515 00 F9001 159 0018 00 FUSE CARTRIDGE 3AG 0 8A 250V SLOW BLOW 71400 MDL 8 10 FL9001 119 1541 00 FILTER RFI 1 A 250VAC 05245 1 EF1 J9100 131 0126 00 CONNECTOR RCPT BNC FEMALE 77820 9663 1 NT...

Page 140: ...and one schematic diagram is u sed to illustrate the circuitryon correspon ding component locator illustration The α circuit board the circuit board illustration may only Replaceable Electrical Parts list isarranged byassemb lies appear opposite the first diagram on which it was il in numerical seq uence the components are listed by lustrated the looku p table will list the diagram number of compo...

Page 141: ...0 000 Figure 9 1 Colo r codes for resistors and capacitors COLOR I SIG N I FICA NT RESISTORS CAPACITORS DI PPED FIGURES MULTIPLI ER TO LERANCE MULTI PLI ER TO LERANCE TANTALUM I __1 VOLTAGE over 10 pF 1 under 10 pF I RATING BLAC K 0 1 BROWN 1 10 1 RED 2 102 or 100 2 ORANG E 3 103 or 1 Κ 3 Y ELLOW 4 104 or 10 Κ 4 G REEN 5 105 or 100 Κ Υ s BLUE 6 106 or 1 Μ α ο V IO LET 7 1 10 GRAY 8 1 0 or 0 01 80 ...

Page 142: ...AT PACK I NTEG R ATED CI RCUITS 8 I ND E X Ι I NDEX PLASTIC CASE TRANSISTORS Figure 9 2 Semiconductor lead configurations TR AN SISTOR SC R FET LEAD CONFIG UR ATION S AN D CASE STY LES ARE TYPICAL BU T MAY VARY DUE TO VEN DOR CHANGES OR IN STRUMENT MODI F ICATIONS 3826 17 4206 32 ...

Page 143: ...termine the location of the circuit board in the inst rument d Find the circ uit board in t he instrument and compare it with its illustration i n the manual to locate the desi red com ponent on the board b Ιη the man ual locate and pull out tabbed page whose title co rr es p onds wit h th e Asse mbly Nu m b er of t h e ci r cuit board Cir cuit board assembly numbers and board nomenclature are pri...

Page 144: ... Q610 R 610 C618 0615 R 614 Γ 619 0646 R616 C624 0656 R 623 C626 0665 β 624 CO MP O NEN TS LOCATE D ON SC HEM ATIC DIAG RAM C670 0670 R 677 671 0672 Ρ 679 C673 0673 β680 C680 681 Α671 U617 Ρ603 R673 υ 619 Ρ607 Ρ674 υ 619 0669 A67S Α 6 ASS EMBLY CRT CI RCU IT DIAGRA M CI R C U IT SCH E M BOA R D CI R C U IT 5 ςΗΕΜ BOARD NUMB E R L OCATION LOCATIO N N UM BE R LOCATIO N LOCATION Ι τ Ι 3C Q656 2 F 2 Θ...

Page 145: ...e Component Location Table adjacent to the schematic diagram and find the Circ uit Num ber of the desired component 4 5 Β 7 Α _ Β C 0 Ι Ε 1 4 05 ι s sv F sa s Ζ ΙΙ ξ cι s r 2 κ ι UV i ΡτθΟb ΦΝ 4 _ _ ην R M C CΠΜ Ι I όόΟ υΓ _ RO Ρα 5α_ έ ΗΡ Ι 3Ι ΗΟΜ 1 z η Ι S 491 4 Γ64 ι ύ 0 ιi β543 2 2Κ 176Ο ΛΉ θ ιααα 76ι Η κί ε Rb4 R624 R623 Ι 2 Κ F Numeral and letter at signal lines to or from othe r diagrams in...

Page 146: ...OTH CH 2 ADD ALT CHOP ω ω Ζ _ m ω ύ c ή ω ά φ υ VERTICAL α ή PREAMP έ AND OUTPUT Ι AMPL ΕΧΤ I NPUT Α TR I GGER LEVEL CH 1 CH 2 BW L I M I T CHOP ENABLE TR IGGER V I EW SI GNAL BEAM FI ND CHOP BLANK Ρ Ρ AUTO Α SOURCE NORM SGL SWP HOLDOFF ΙΝΤ L I NE ΕΧΤ VERT PLATE DEFL VALT SEP Α SWEEP GENER ATOR A ND LOGIC Α TR IGGER Figure 9 ...

Page 147: ...TIME ALTERNATE POS I T I ON Β SWEEP ΧΥ AMPL HOR I Z OUTPUT ο Η ε α ω m Α Β ΧΥ HOR IZ MODE Β I NTENS Ζ DR I VE HOR I Z PLATE DEFL VOLTAGES Β D I SP X AXIS SI GNAL BEAM Ι Ι F I ND PROBE ADJ UST ΕΧΤ Ζ L V SUPPL I ES TO ALL BOARDS AC POWER I NPUT BEAM F I ND CHOP BLANK Α Β ΙΝΤΕΝ AX I S ω υ ω Ο F 0 Ο υ 2235 Serv i ce CRT POWER SUPPLY AND Z AX I S AMPL 4206 34 Mw Ό LA ΑΛ σ ή Ι7 α D ...

Page 148: ... SW 1 ΤOM Η 2 C H 2 ΜΟD Ε CH 2 LOGIC C HANNEL DEL LΟ4 Σ PA RAPHAS E S545 ADD U537A ΑΤΤ ΕΝ9ΑΤΟ R AMPL ρLΤ C HOP SWITCH ρΙ1 R69 U80 U54 0 Α OSCI LL OATOR Ι CR200 CR2θ 1 ρ 2 θ AND C HOP CR202 CR2θ 3 Q2 ΘΕ C HOP BLA NK I NG Q440 ι Q441 L U540B υ 5379 U537C U5370 J θ TRIGG ER LEVEL CO MP ARATO R SCH MITT T RIGG ER SL O PE U6 Θ 5 Α θ D Ε F U625 A Β C D S6θ2 g6 Ιθ 1162 θ g630 Q631 LEVEL R6θ 2 CH 2 T RIG ...

Page 149: ... FIND Ι UNBLANKING LOG ιε Q586 C R 583 CR551 POWER ΙΝΡΙΤ PREREGULATOR 9θ 1 VR9 1 9θ8 Q928 CR90 CR9 0 1 Q930 Q9 0 7 CR9 2 CR903 U930 R9 04 PROBE ADJUST U985 PROBE ADJU ST ΧΥ AMPLIFIER HOR17ONTAL OUTPUT Α DIS P g732 Q737 A MPUF I ER Β 01 S P Q742 U760 Q77 0 Q775 8 S4P Q779 Q78O Q785 ρ789 FEED BACK 43V HORIFONTAL R726 PO S ΙΤΙΟΝ Α SWP HORI ΡRΕΑΜΡΙ HORI DUTPUT ΗΟ 1 ΙΣ DEFL TRIGGERING 5390 R893 ΘΕΑΜ F ...

Page 150: ...ter voltages on Diagram 7 These voltages are referenced as indicated on the schematic diagram POSITION Midrange VERTICAL MOD E CH 1 MIA ιιΜιΤ Off button out VOLTS DIV 10 mV RECOMMEN DE D TEST EQU I PMENT VOLTS DIV Variable CAL detent INVERT Off button out Test equipment in Table 4 1 in the Performance Check AC GND DC G ND Procedure section 4 of this manual meets the required specifications for tes...

Page 151: ...ne the circuit in isolated by removing service jumpers and those that cannot which α short exists may be located The power distribution and circuit board interconnections Always set the POWER switch to OFF before soldering diagrams are divided into circuit boards Each power supply or unsoldering service jumpers or other components and feed to α circuit board is indicated by the schematic diagram b...

Page 152: ... 4 7 7Ν DS9150 7 8 Α Ρ9870 5 7 6Ρ Ρ 9870 7 7 5Ρ F9001 7 5 Α Ρ9870 8 7 7Ρ FL 9001 1 7 1 5 Α I Q9070 1 7 1 8 1 J9100 1 1 Α R9100 1 1 Α J9376 3 5 Α R9272 2 8s J9510 1 6Α R9273 2 2S J9800 7 4Α R9376 3 5 Α J9900 6 2E R9510 1 6 Α R9521 4 3 Α Ρ 9272 7 5 Ρ R9644 5 5D Ρ9273 7 5 Ρ R9802A 7 2Α Ρ 9778 7 4 Ρ R9802B 7 3Α Ρ9788 7 4Ρ Ρ9070 1 7 81 V9870 7 2 Ρ Ρ9070 2 7 SJ Ρ9070 3 7 8 1 W9272 2 8s Ρ9870 10 7 4 Ρ Ρ9...

Page 153: ... 5C 20 Α TRIGGER LEVEL 3 8Μ Ρ9700 Α4 ΤΟ Α1 W9700 Α1 ΤΟ Α4 DIAG NO DIAG NO PIN GRID WIRE GRID NO LINE NAME COORDINATES NO LINE NAME COORDINATES 1 Α DISP 6 5E 1 Α DISP 6 5D 2 Β DISP 6 5E 2 Β DISP 6 5D 3 Β SWP 5 6E 3 Β SWP 5 6F 4 Η Ο 2 4 4D 4 Η Ο 2 4 4D 5 Η Ο 1 4 4D 5 Η Ο 1 4 4D 6 H O COM 4 4D 6 H O COM 4 4D 7 Α SWP 4 8Ν 7 Α SWP 4 8Μ 8 GND 5 7E 8 GND 8 2Ν 9 Β RETRACE 5 7E 9 Β RETRACE 5 6F 10 Α GATE 4...

Page 154: ...9D 28 Β SLOPE 5 9E 9 CH 2 2 613 29 TR IG D LED _ 4 9Κ 10 BW LI M IT 2 4Κ 30 SS 4 9Β 11 CH OP ENABLE 3 4C 31 GND 3 6C 12 8 6 Vει 8 5Ν 32 CH 1 Τ 3 2C 13 VALT 5 2E 33 CH 2 Τ 3 3C 14 CH 1 2 58 34 V MODE Τ 3 3C 15 Α ONLY 5 1 E 35 ΕΧΤ 3 7C 16 Β LEVEL 5 9E 36 LI NE 3 6C 17 TV TRIG ENABLE 4 98 37_ TNT 3 7C 18 ΧΥ 3 2C 38 G Ν D 3 6C 19 Α SLOPE 3 8Ν 39 ΕΧΤ I NPUT 3 5C 20 Α TRIGGER LEVEL 3 8Μ W9401 Α5 TO Α1 D...

Page 155: ...ω 9αΟο ω94 Ο1 5T E Ι Sεε TABLE TAB LE ΑΙ ΜΑi η I Α5 ALT SWPLObIC 2235 CI RCUΙΤ EOARD Ι NTERCONNECT10Ν5 azoe zz Γ z c Γ ί α ...

Page 156: ...ι Β τ C r ι Ε ι F CO MP ONENT NU MBER EXAMPL E Component Number Α 23 Α2 R1234 Assembly j11 ΙΙ Ι Sc ύe εiε cumatι c e Νυ mύeι Subassembly N umber Number if used Chassis mounte d ςpmpenenish ave πα Aswmbly Nυmheι ρι eΙίκ see end of ReplaceaUle EleCtFLCal Parts List Figure 9 6 A2 Attenuator hoard 4246 36 ...

Page 157: ...7 1 Ρ 9103 1 1 R26 1 R79 1 C21 1 Ρ 9103 2 1 R27 1 R 80 1 C26 1 Ρ 9103 3 1 R29 1 R81 1 C27 1 Ρ 9103 4 1 R30 1 R83 1 C30 1 Ρ9108 1 1 R31 1 R84 1 C35 1 Ρ 9108 2 1 R33 1 R85 1 C38 1 Ρ9108 3 1 R 34 1 R87 1 C52 1 Ρ 9108 4 1 R 35 1 R88 1 C53 1 Ρ 9200 1 1 R 37 1 R91 1 C54 1 Ρ 9200 2 1 R 38 1 R93 1 C55 1 Ρ9991 1 1 R 39 1 R96 1 C56 1 Ρ9991 2 1 R 41 1 R97 1 C59 1 Ρ9991 3 1 R 42 1 R98 1 C60 1 Q13 1 R 43 1 S1 ...

Page 158: ...03 3 3S 2F R 30 3 Μ 3E R87 8 Ν 4E C30 3Μ 2E Ρ 9103 4 3S 2F R31 3 Ν 3E R88 9 Ρ 3E C35 5Ν 1E Ρ 9108 1 7S 4E R33 3 Μ 3E R91 9 Μ 3E C38 4Ρ 1E Ρ9108 2 6S 4E R34 4 Ν 3E R93 9 Μ 4F C52 6 Β 3 Β Ρ 9108 3 SS 4E R35 5 Ν 1E R96 7 Η 3D C53 6F 3C Ρ9108 4 7S 4E R37 4 Ρ 2E R97 8 Η 3D C54 6D 48 Ρ9200 1 9L 3 Α R38 4 Ρ 1E R98 8 Η 3D C55 6D 3 Β Ρ9200 2 9L 3Α R39 4 Ρ 1 F C56 6G 4C Ρ 9991 1 8 Β 3F R41 4 Ρ 1E S1 4Β 2 Α ...

Page 159: ...b ι CRT Rφ oV 4ΤΟςς Ι 1 Υ bΚ GA3140 ιωο ι Ι ον 2 R9 0 Ι ι ι ΙΚ Ι R5 ω QIS Ι Ι Κ s ιοόόΤ α Ι α15 Ι f cιο αωυκ ι m c9a Ι zzοο ο ι ί Ι ι Ι R10 ι Ι 1ρΚ 8 αVΚ Ι Ι ο R11 2 bVK Ι ι5χ ΙΙ ΤεΑ Ι ι 9 ι CSb ιyF R5b 4 TΟΚ 0 η3 ιρα Cb3 Β φ U ςq α3l υ C RS Cr Γ Qb οοκ CA3tgo 2 RS9 ω ι ικ R55 3 c ι C Υ ωb ι Pro5 zzo ιαα co ό S F2b ι Ftb α b νL ι s κ sτεΡ BAL CH2 αων Rfo4 WO sι st CA 4 Cλ 3 α ωνΚ αb ν CO MPORE h C...

Page 160: ... Elι8C ΗΕΜλ71C Ob 23 S54 Ι ι Ι 4 Ι Ι Ι ι ηΝγΕRΥ BAL ι RT3 ι Rk Γ c 7 η ρι ν R 5 α η R 11 Γ ΔΙΝ Ο Ι Αηί αα 5 ι R T Ζ IS NO C U C ι Γ 45 4 7 L5ρΚ ρ 215mv E ΙΧ γ Cα βλ L Α ΡΑΙ UΤΙΑL FR ONT GANF L ξιρΑΑD 1 11 Coo Rel 04F F ξ 75 VV93 R35 309 1C35 Τ m4 ν 6I Υ ιιι 14 Rβ 4 R87 g 2 CW ιρΟ Ι ΙΚλ Α85 Τ ΟΟ αιF ςω z ιιω μγ43 R42 33 Κ b νC4 7 3Ο9 Cη τ lF ιVER7Ep ςΕ α sΖ m 1 ε 3 cω μρΝ ιΝVEFRED Q ω C36 CH ι CH 2...

Page 161: ...0 m z 71 2235 Service 5 wp 4 6 7 8 am 15 20 25 30 031 These Components are located on the reverse side of the circuit board Figure 9 7 Al Main board R267 R266 R26C R27 ...

Page 162: ... Section COMPONENT NUMBER EXAMPLE Component Number Α 23 Α2 R1234 Assemδφ J L5ciιemα1fc mbeε sυbas Numbeε sem6ly LL Giιcuit Number MumOer i υτ ed Chaas Ι mourned cumpuoeuts h ave no Asaemh ίyNumber ρre5ε see en d of Re placeable Εf ecirical Parts List_ ...

Page 163: ...R 324 3 C369 3 C873 7 CR 945 7 Q576 4 R 194 2 R 326 3 C381 3 C875 7 CR 946 7 Q578 4 R 195 2 R 327 3 C389 3 C877 7 CR 947 7 Q586 7 R 200 2 R 328 3 C390 3 C879 7 CR 954 7 Q756 6 Ρ 202 2 R 329 3 C392 3 C893 7 CR 955 7 Q770 6 R 203 2 R 330 3 C396 7 C904 7 CR 956 7 Q775 6 R 204 2 R 331 3 C397 3 C906 7 CR 957 7 Q779 6 R206 2 R 332 3 C405 3 C907 7 CR 960 7 Q780 6 R207 2 R 335 3 C408 3 C908 7 CR 961 7 078...

Page 164: ... 6 R910 7 U537 2 W9190 7 W9400 8 7 R452 3 R756 6 R912 7 U537 2 W9778 6 W9400 9 7 R453 3 R757 6 R913 7 U537 2 W9788 6 W9440 1 2 R455 3 R758 6 R914 7 U537 2 W9800 7 W9440 2 2 R457 3 R759 6 R915 7 U540 2 W9001 10 2 W9440 3 2 R458 3 R760 6 R916 7 U540 2 W9001 11 3 W9440 4 2 R459 3 R761 6 R917 7 U555 3 W9001 12 8 W9700 10 4 R460 3 R762 6 R919 7 U555 3 W9001 13 5 W9700 1 6 R461 3 R764 6 R921 7 U555 3 W9...

Page 165: ... m 31 R342 0 Β393 ω r 21 0 15 6 9ΙΘΘΖ υ9ι6ο 04 on on d ω ω κ 8 C364 3 1 ς Ρz η ε R344 Ν 79 R 312 1 ε3Ι ω114 4 44 ρ ω R335 Α 336 R346 Η34 ί F λ L h ιΙ Η_ ϋ Ri44 Ν 4λ R342 Φ 0 02 i R29 ω999 R 292 R ι 84 Ηιθ χιθ ο Figur ...

Page 166: ...R890 Αθ8 ΑθΒ 8 R886 3 1 2 C R655 1 ss α978 Me C R85 ω919 σ R976 θ sα7ε αΡε 7 894 ωαααυ Χ955 ΤΡ 842 Η851 Φ η RΒα2 ΑΘ40 0 88CaM 10835 0840 wow W 965 νRε ω _ _ ρο 84 RR780 0 6 W979 CB I L W974 ι fi Ει r ν R 844 47 11 R797 0 W975 W537 ΑΒ 32 ι ρ R845 W556 c Αβ23 I CR845 6 Α 796 R830 R567 R 823 R822 _ q Α 826 i R182 I ί J R547 α ya R541 ω 047 _ RB 28 ο C340 Α548 ώ C274 Ρ544 ο 000 0 α 153 ι Α 545 0 F 272...

Page 167: ...GND V OL TS D I V bot h θ Ιγ VERT I CAL MODE BOTH CHOP Α TR IGGER Mode Ρ Ρ AUTO Α SWP 0 θ SWP θ 4μs μθ θμs 0 Η L Π L Η L Η Η L HI IN Α 0R 8 LO IN ALT 3γ SO WAVE REFERENCED TO 3V OR DEPEND ING ON SETTI NG OF SEP POT AMPL ITUDE ALSO DEPENDS ON SETTING OF SEP POT 42θ6 93 ...

Page 168: ... J C281 2 Μ 1 F R 125 2E 3C R233 5 Ν 1E U537B 4E 1J C292 1 Ν 2E R126 2E 3C R234 6 Μ 2E U537C 5D 1 J C537 9 Μ 1 J R 130 2 F 3C R235 4 Μ 1E U537D 5C 1 J C538 50 3G R131 3 F 3C R236 5 Ν 1E U540A 5E 2Η C539 6D 3G R132 5 F 1G R239 5 Μ 2E U540B 5C 2Η C540 9 Μ 2Η R133 5 F 2C R240 5 Μ 1E C545 5C 1 J R 135 4 F 2C R241 5 Μ 1D VR 200 5G 2D C547 4D 2J R 136 4 F 2C R242 5 Μ 2D R138 5 F 2C R244 5 L 2D W282 3 L ...

Page 169: ...SD 48 CR 537 48 2 Β R280 2 L 1C W9000 10 4Κ 4 Β W9000 8 9D 48 C R538 68 2 θ W9000 14 58 48 W9000 9 68 4Β S200 6Α 2 Β W9000 2 2D 4 Α R 111 2D 1 Β S226 3 Κ 2C W9000 3 3D 4Α R112 3D 1 Β S545 4Α 2C W9000 4 2L 4 Α R161 9D 1C S550 5Α 2 Β W9000 6 78 4 θ NU CIRCUIT SCHEM MBER Ι LOCATION Ι LOCATION Ι NUMBER Ι LOCATION Ι LOCATION Ι NUMBER LOCATION Ι LOCATION Ι NUMBER Ι LOCATION Ι LOCATION C9272 SS CHASSIS D...

Page 170: ...55 τD Ά ξ L R54o ι ι4 CHI ον οσιμF 5 ΙΚ 455 ιο 5 5 2 l Q Ι 4 ο ϊ Q 9 Ι 2 Ιι Ι θ Ι 3 W 538 3 D ΙΙ 9 ί3 53Ί U537D U 537A λ 4 τ4ι5ι3τ ι α R 74L513ε W537 74 ι5Ι 32 U540 5 R544 7gL574 49Ο ALT Sv N C F αιΛ ρ525 ΤF R 175 2 4 Κ Cι25 ι 47σρ Θ 6Υ 9700 C FM 4 ΑΙ 3Ο S ι Ζ R126 ι θΚ ΟΙασ Ιθ C126 1500 Το Cw R 32τ0 GιΝTFR 4F _ CCw Φ 4 οι cι6s L 1 33 ο αΥ G5 161 C176 ISF ISOO ΗΙ 55 ι_g_ __g Τ 2 Η_6 Vbl ΙΙΟ 3 R653...

Page 171: ...ee ΜαίΝΓeιωπεe Secfian Static Sensitive Devices φmmν σhemατίσ Νυ mΝΙ 5 Ο My ΓτπιΓ Νυ m η 1 Nυmbcr Γϋ5 σ Ch i mπσπι σ p m5ηασ τεπικν ΗπmΙνι pιetia see eπσ σf Replaceable L eclnral Ρeds List HUM ΑΝΟ LL77FR Α7 S L LRΣS 70 OR FRΦΡ 07ΗΕβ ΟΙΑΟ RβΜS ΙΝΟΙCβΤΕ5 ΤΝΕ GSI ΕΟΟασ1ΝΑΤΕ8 ON ANOTHER KIVIATIC FOR ΕΧΑΜΡ L Ε 7ΕΙ Α1 PARTIAL MAW BOARO R269 ISO ow LIMIT ρzΤΙ S50 Rτ 7α ι Sο C9273 3 3 ω927 4 i 1 RΤΡΡΣR VE...

Page 172: ...P ONENT NUMBER EXAMPLE Cοmραπeπ1 Nu mheε f I R23 Α2 R 1234 Assembly Sc hematic Number Sυbassembly Circuit Number number ιΓ used hmsis moueled co po euts have πα Assembly N um heι prelia see πd αΙ R eplaceable Εlect ical P ads L ist Figure 9 9 A3 Front Panel board 4206 39 ...

Page 173: ... W9000 26 5 Jθ250 1 6 S401 4 W9000 27 5 J9250 2 3 S401 4 W9000 28 5 J9250 3 3 5401 4 W9000 29 4 J9250 4 4 S460 3 W9000 2 2 Ρθ 006 1 7 S545 2 W9000 30 4 Ρ9006 2 7 5550 2 W9000 31 3 R89 1 5555 3 W9000 32 3 R 92 1 S602 5 ω9000 33 3 R 111 2 S648 5 W9000 34 3 R112 2 U985 6 W9000 35 3 R161 2 W89 8 ω9000 36 3 R162 7 W515 4 W9000 37 3 R 280 2 W534 2 W9000 38 3 R 377 3 W539 3 W9000 39 3 R 378 3 W630 3 W900...

Page 174: ... R340 4 1 3D R435 9 Κ 7Β U565B 3F 2Η CR381 5C 8Α R342 3 F 3D R446 7 Μ 6C U565C 2F 2Η CR393 7F 6C R343 3G 4D R452 8 Κ 6C U565D 4F 2Η CR399 7F 5C R344 5 J 4D R453 7 L 6C CR414 8J 68 R346 6 J 4D R455 8 L 6C W310 1 J 4D CR 415 91 68 R347 6 1 4D R457 6 Κ 6C W335 4 1 3D CR556 2D 4E R349 6 Η 4D R458 7 L 6C W350 1 Κ 4D R350 1 Κ 5C R459 7 Ν 6C W351 3 Κ 4D 0302 2G 3C R351 3 Κ 5C R460 4Κ 7C W410 7G 6C 0303 3...

Page 175: ...W630 2 Β 3Β W9000 34 3C 4E C379 6Β 2F R379 68 2E W9000 11 4C 4Β W9000 35 7C 4E C380 5Β 3F R380 58 4F W9000 18 2C 4C W9000 36 6C 4E R438 8Μ 2F W9000 19 8 Ν 4C W9000 37 7C 4E CR 539 1 θ 2 Β W9000 20 8 Μ 4C W9000 38 6C 4E CR 648 18 3D S380 48 3F W9000 22 8 Μ 4C W9000 39 4C 4F S392 6Β 3E W9000 23 9 Μ 4C J9250 2 28 3D S460 8Ν 2E W9000 31 6C 4E J9250 3 3Β 3E S555 2Β 3E W9000 32 2C 4E CIRCUIT SCHEM NUMBE...

Page 176: ...R305 kάα 7 ι yτκ gιο3 Q3O3 Βω ιτΜΙΤ R3Ιι Ι ο2 Κ 8103 Tς21GG6R Κ U 5ηο 5 6 ι2 2Κ CHOf ΕΝΑ6ιΕ 6 F ι3 1 CH ι SELE CT ED ί 13 R565 TO Ν 9900 ιτ ςρ 36 c561 3ΟΟ C565 2F ρ V Β ΑVΑ Ua 6όD 97 Ο R390 C39o g331 Ιοα ιοοΟ R327 α7 6 ο FROM gι52 220 ω _ 3g εΚΤ INPUT Rα R329 R335 h θC Q327 Ι 5κ Ι 27Κ R3Η1 1C361 ιΚ 3 α 5 13 4 ΙΖΚ Ι 6 θ 8 6VD1 ν 4389 R9Β4 R 3 B5 326 4 7 R336 R328 Β Ι ρ Ι 27 Κ C Β 6b 1 FROM Q153 22 ...

Page 177: ...ρε Lz7k ι Ι 8 R Α 112 τΡη 60 Ι 2 Ικ U960D R 4 8 Α3i ο2Ε 60r Αl Ισ 2 Ε 8 6vq θ 6VA R 9 S9 2 4 Κ B 6V q C42a 924 0 F U 96ΟΣ υ46σΒ RA53 220 Κ 2οκ CΑ3 Ιο 2 ε Α3 Ια 7 Ε α 47 953 ΙΟ ι 00Ο Q420 4 Ζ 2 9 4 ιτ sυθ sτιτΑτ e Ο ο b1 ρ ρΑιπα R 4 5z α4ss αΤ Q1GGE R NORM 2 7 Κ 1 ο L Ενει τΟ R441 7G Α SLOP R 4 14 24 κ 28 W90DI ω 9 ΟΟο ω 9 οοο z0 19 ο ω ν ΝοRΜ t ω4 ίυοτωι _z2 zx 8416 ΡΡ R 92 6 op ΡΑυτα α 7 κ Αυτο 9...

Page 178: ...itive Devices See Maintenance Section CO MP ONENT NUMBER EXA MPLE Co mponent Number Α23 2 R1234 Asτem biy 5 chem αδc Number subasτembly Cσ υ Nυmber Number used Chαsss mσυπ edcomponents have πσ Assembly Number 0 p re fix see en d σΣ Replaceable Electrical P arts List α β to _ _ Η ιοι e 7π0 R741 Figure 9 11 A41 Timing board 4206 41 ...

Page 179: ... R738 6 C712 5 0701 4 R740 6 C713 5 Q704 4 R741 6 C714 5 Q704 4 R742 6 C715 4 Q706 4 R743 6 C720 4 0709 5 R745 6 C724 6 0710 5 R746 6 C728 6 0710 5 R748 6 C749 6 Q712 5 R749 6 C750 6 0732 6 R750 6 C751 6 0737 6 R751 6 C752 6 Q742 6 R752 6 C755 6 R701 4 R753 6 CR 732 6 R702 4 R754 6 CR 742 6 R703 4 R755 6 Ρ 9250 1 6 R705 4 S701 4 Ρ 9250 2 3 R707 4 S701 4 Ρ 9250 3 3 R709 5 S701 5 Ρ 9250 4 4 R710 5 S...

Page 180: ...E C OIV 0 1 ms Α T R IGGER Mode Ρ Ρ AUTO AC Wave for πs VERT ICAL MODE CH I CH Ι VOLTS OIV 1 V CH Ι AC CND OC DC HORIZONTAL MODE Α Α T RIGGER LEVEL Midrange Α T R IGGER Mode Ρ Ρ A U TO Α SOURCE ΙΝΤ ΑδΒ ΙΝΤ CH 1 CH 1 I NPUT SIGNAL 1 k Hz sine wave 4V Ρ Ρ 4 4V 3 4V Η L H 3 5V HI ΙΝΤΕΝ 2 6V LO ΙΝΤΕΝ L 3 5V HOLOOFF TIMING I 9V Θ 9Υ Η L Η L 42θ6 97 ...

Page 181: ...own on diagrams 2 3 5 6 7 and 8 ASS EMBLY Α 3 CIRCUIT NUMBER Ι L OSCHEM CATIO N Ι BOARD LOCATIO N Ι NUMBER Ι SCHEM LOCATIO N I LOCOATIO N ARD Ι CIRCUIT NUMBER Ι SCHEM LOCATION Ι LOCATION Ι NUMBER LOCATIO N LOCATIO N DS518 9L 2E R 520 3Β 2E W515 9Α 1 F W9000 25 5Β 4D W9520 4 Β 3E W9000 29 9Κ 4D J9250 4 4 Β 3E S401A 5Α 2E W9521 38 3E W9000 30 9Β 4D S4018 8Α 2E W9000 17 9 Β 4C R 519 3 Β 3E S401 C 9Α ...

Page 182: ...R 508 DI R 568 τξ 569 3 3Κ 9 3 Κ Τ 5 ίνΑτ λ414 Σ ΓR951 Iz R 5ΟΖ RS01 ξ 910 s ικ ια KY Τσ Rl3 7 κγ Το p gz5o 2 XY To P9250 3 R 507 390 2 2Κ R 5 22pF 15 8 Κ Rll9 ζ12σ 8 6Vς 33 o l ηrF RΤ1ί5 5οο 2 Q509 R So9 ΡαπΥιΑι 57σια Α AIJD s ΖΕ C l olV R 701 R702 5 4 Ν IN γ 2 99 Μ Ρο 5ΙΤΙσα ρ TIMI NG 977 g σΟΥ ΙΝΟΙ CΑΤΕ 2 25Κ POSITIOH WHE N 5ωΙΤCΗ S5 CLO ςρ Ι2Κ 4 5χ g Α ΑΝ U θ 3ECJ 01Υ ι Θ 2 5 Κ 9 R722 4ι 2κ ιο...

Page 183: ...6 szs7e 10 μΙ S1 REIN 560 Soo 15 CR 519 470 W582 Vp 11 ago R527 ωgταο Ρ4700 Ι9 4 7 Κ _fo Ισ ρ GΑΤΕ Ι9 R 4 R512 4511 R ηθΟ ΤΟ CR583 AGA7 E 4 3 Κ β525 1CO C577 22 ικ α5 Α Sw P τ Ι Ι7 Ι Α Sw P Lλ 1J 1 Lf ύί Α4 Ρλ R ΤιΑL TI M ING BOARD U504 U50 E 0532 U502 yb1502 Ιοκι3ι ΙοΗιοζ 10 ι98 8 Α SWEEP G ENERATO R LOGIC 9 CQ0048 ς CTO6 αοιμ F ι S 5 Ί t5 12 5 Z V 5 2 Vς 5 ΖV Α2 Static Sensitive Devices See Μαίη...

Page 184: ... DC HORIZONTAL MODE ALT Α SEC DI V 50 μ s Β SEC DI V 5 μs Β DELAY TIME POSITION 5 0 Β TR IGGER LEVEL Cμ RUN AFTER DELAY Α TR I GGER Mode Ρ Ρ AUTO Α Β ΙΝΤ CH 1 Α SOURCE ΙΝΤ μΗ 0 ΤΙΜΕ H 0 ΤΙΜΕ LO FOR Α d Α ΙΝΤ HI FOR Β SWEEP L 12V 0 8V Η If L Η Η HI IN Α 0R 8 ι φ LO IN ALT L Η SET θ TR IGGER LEVEL TO M IDRANGE π π π ι ι Η L CH 1 I NPUT SIGNAL 5 d iv 1 kHz si ne wove Η L L Η ι 42θ6 94 ...

Page 185: ...ber Α 23 R1 234 S Assembly chematlε Circυ Number Subassembly Number Nnmδer ρ7 nsed Chassis mounted components have no Assembly N um ber prefix see end of Replaceable F Jectrιcαl Parts List 4 ε rt ιτ y ί 2 η ι ι ι ε σ ι ι έ5 ί ιΑ t ι 42W42 Figure 9 12 AS Altn Sweep L ogic board A5 ALTERNATE SWEEP BOARD ...

Page 186: ...5 R664 5 U680 5 W9401 26 5 R605 5 R665 5 U680 5 W9401 27 5 R606 5 R666 5 U680 5 W9401 2 5 R609 5 R670 5 VR 624 5 W9401 3 5 R610 5 R671 5 VR660 5 W9401 4 5 R611 5 R672 5 W637 5 W9401 5 5 R614 5 R674 5 W638 5 W9401 6 5 R616 5 R677 5 W643 5 W9401 7 5 R617 5 R690 5 W655 5 W9401 8 5 R619 5 R693 5 W662 5 W9401 9 5 R620 5 R816 5 W668 5 R621 5 R817 5 W670 5 Β TIMI NG ALTERNATE Β SWEEP NUMBER LOCATIO N LOC...

Page 187: ...6 7 Ν 1D C690 4 Η 3Β R 631 8L 18 U625B 7 Κ 2Α W698 7 Ν 1 θ C693 4G 1E R 632 5Μ 28 U625C 8J 2Α W9401 10 2G 4Β C694 4 Η 18 R 633 7Μ 3 Β U625D 8 Κ 2Α W9401 11 2S 48 R 634 7L 1 Β U655 5J 3C W9401 12 2G 4C CR 680 5 Ρ 2C R 637 9Κ 3 Β U660A 9 Μ 2D W9401 13 1G 4C CR 685 4 Ρ 2C R 638 9L 2D U660B 5 Μ 2D W9401 14 5G 4C CR 816 4 Ρ 2C R 640 9L 2D U660C 4 Ν 2D W9401 15 4G 4C CR 817 5 Ρ 3C R 642 6Κ 3D U660D 9L 2...

Page 188: ... Οτ ω 1ΡΕΑ 5ωιτ0κ Ιο ι Ι Ι Ι C6464 ιF j ι Ι 227 R 651 μs Α SWP νzΟ 2 σ Α 5ωΡ 7 50κ Ι R646 5 ι 4 Κ 2 FR0Μ Ι ι ν ρΕ LΑΥ W θΙΟΟ Ι η 9τΑRτ Βιη q 4 Ι 1 ΟΕLΑΥ σ 5 ι c ΝΟ ι Ι Ι Ι Ι Ι ι 30Vg 6 R 11 Ι Ι Ι Ι Ι Ι Ι Ο ΙΡ 97 Οσ Ι ι ι Ι ι ι ι ι Ι lσΙο 7 R7t 3 ς 4 Ι 2Κ 4 ΙΟ 1 Ι 1 Ι Ι 7 1NF ΖΚ Β 5W Ρ 5 LG 4c Ο 7 ΙΥ Ι 1 ς Ι Ι Ι Ι R 7Ο9 α2 5Κ 9 2 ι ι ι Ι Ι ι 1 ιο 0 Ιρs Βκ IS R712 Ι C1 ο1C 5ΡΕΕί ΤΙππιμc 9 ΙΙ Ι f 1 ί...

Page 189: ...Ο ορ 3 ε A o Ι 1 ΟΚ U 60D 74L504 UG70 V 60 UG65 U680 U 625 711Ρ7q 74 ι5Ο4 74LSO0 74 ι50 Ο IoWloZ Static Sensitive Devices See II Se εlion COMPONENT NUMBER EXAMPLE A Component NOmb er 23 Τ RR 1234 L Assemb Ν 0 k ςυευJ N umber SubassemhΓy Γ Νυm Β e ι ΓιΓ νκω Νυmber Ρπαττι s mσυπτeα rnm φπeπη have πσ μ5embly ΝυΜ beι preliσ see πδ ν1 R eplasxaGe ΕΙ Ι ιc αΙ Ραιϋ L ist ΝLΙΜΕRΑL AND LE77ER Α7 SIGNAL LINE...

Page 190: ... IZONTAL MODE Α Α TR IGGER Mode Ρ Ρ AUTO AC W ave f arms AC G ND DC bot h GND HOR I ZONTAL MODE Α Χ1 θ Magnifier Off knob in V AR HOLOOFF MIN fu ll y ccw Α TR IGGER Mode Ρ Ρ AUTO 12V Z 7V 1 9ν a Z ι 1 9V 7θγ 25V Φ Z Ι 7θγ 25V 5 95ν 5 85ν 5 95ν 5 e5V 0 500mV 42θ6 95 ...

Page 191: ... NUMBER Ι SCHEM LOCATION Ι LOCATIO N Ι NUMB E R Ι SCHEM LOCATION Ι LOCATIO N Ι CIR NUMBER Ι SCHEM LOCATIO N Ι LOCATION 2 Β 2C 2D 1D 1 J 9250 1 1D Ι R 726 1D R 985 R 986 3E 3D R 987 2C R988 2C 3Β 1D R 989 2D 2 Β 1D R 990 2D 1C 1D 1D Ι U985 1D 2D W9900 1 Β W9000 21 2C 2D 38 C987 CR988 C R989 Partial Α 3 also sh own on diag rams 1 2 3 4 5 7 a nd 8 ASS EMBLY Α4 CI R CUIT NUMBER C707 C724 C728 C749 C75...

Page 192: ...L BQΑ RD 5 351 QΊ 5 Δ S bVgl R7e ω9τ4S 3 7 5 6UC ι λ R7w Ι Gα ιΝ ι ηακ Ρ9τΟ5 Ε Ι ω97ΟΟΙ Ρ9ΤΟΟ Χ AXSS 5ιυ α Α SW EE P Α SWP GAIN Q7C1z θ SWΡ 470 PROM5 RSb b Ι _ΖτΚ ι5 ρ 5ΙΟ Η ΟΗ 5Ρ ω732 ως7Ο z Ζ θ Οι sρ 5 νεΕ ΡRΟΜ W94m ΙΙ Ιημ β SWP C R T32 25 ρ τ έο ι Ι Α 5W Ρ R5βώ 1C Λ φ1β RT24 20 8 bνΒΖ Τ C724 oι y F GN D IN Ι4ι Η bUC 6ΝD 1 B ε 11 θ ιουι W9Τ05 2Ν η R 741 4 b 4S WΡ Rτ42 Α Ι 13Κ γ1 7 Ι 3ή4Οκ 0S SWΡ...

Page 193: ...ND W FRΟλΛ 9oOS Ι 41 ζϊ GRτθq Ζ2ο RTbb 4 Ι33 GΑΤΓοθ VRTb4 C GRT6S RΤώΒ ς ς8ο ο ι Ρ ΚΤΤ5 Ιώ 5Κ GTT5 Υε 3 5π 5 τιΜΙΝG ξξξ R Τθ CΤ89 1 33Κ _ο72ι F ΤΖΤΒ Q Ε39 Rτ 92 5 3bsc ΡΤ93 sω zκ 1OQVRT α 7 5 ιαοVgl φ bVFl fl aVFI 14DVgl 12 όΥ CΤb4 432 4 4Τ α ίίί Σ4 πΤ ω Q7Ϊ Ο CTTS 22μ F 1 1 33Κ _ νιττο 47 24K QZZ 9 Ρ 773 Τ6Β Static Sensitive Devices SeeΜαίπ teπαπεe 5eεΙίαπ COMPON EN T NUMBER EXAM PLE Cοmφπeπ Ν Α2...

Page 194: ...ly Number Number ίλ used Chassιs mountedcomponents have no Assembly N umber prefix see en d of R eplaceable Electrical P aris L ist W9041 W91 91 λ 4C 91 W901 R T901 Figure 9 13 A6 Filter board A6 FILTER BOAR D SCHFM NU CIRCUIT MBER Ι NUMBER SCHFM Ι N U circl MBER Ι NUMBER C900 7 Τ 901 7 C902 7 Τ903 7 C903 7 υR901 7 R900 7 W9011 7 R901 7 W9041 7 R903 7 W9091 7 RT901 7 W9191 7 4206 43 ...

Page 195: ... 3J 3 1 C941 9G 6 Η L961 91 8 F R 872 5S 1 Η ΤΡ900 9L BE C942 9D 8 Η R873 4S 1G ΤΡ940 9D 8 1 C943 9C 8 Η Ρ 9802 1 3Β 4θ R874 6S 1G ΤΡ950 9C 7Η C944 9F 7 Η Ρ 9802 2 3Β 4θ R875 6S 1G C945 9 F BJ Ρ 9802 3 2 Β 48 R877 7S 1 Η U930 9G 7 1 C954 6 Κ 6F Ρ 9802 4 3 θ 48 R879 ΒΝ 6F U 975 4 Κ 5F C956 7 Κ 6F Ρ9802 5 28 48 R885 1 Κ 4Η C960 9 L 6F R 886 2 L 4G VR 828 4F 3 Η C961 9 L 8F Q586 1D 6D R888 1 L 4G VR ...

Page 196: ... R 903 5C 18 Τ903 5C 2 Α W9041 5C 18 C903 5C 7 Α W9091 5 Α 1C RT901 58 18 VR 901 5Β 1C W9191 5C 7 θ R900 5C 1 Β CH ASSIS MO UN T E D PA R TS NU CIRCUIT SCHEM MBER Ι LOCATION Ι LOCATIO N Ι NUMBER Ι LOCATION SCHEM Ι LOCATION Ι NU CIRCUIT MBER Ι LOCATO N I LOCATIO N Ι NU CIRCUIT MBER Ι L OSCHEM CATION Ι L OCATIO N DS9150 8Α CH ASSIS Ρ9273 5 Ρ CH ASSIS Ρ9870 1 8 Ρ CHASSIS R9802A 2Α C HASSIS Ρ9778 4Ρ C...

Page 197: ...ω 9ΟΙι Ι 5μt S 1K T11 1 ω9Ο41 W904o j I M 9 1 φ 7 3 b 5 Ι R9p VR9Ql R90ο Ι GR904 C3 47οΚ Ι C5O4 t e Ζ α 4ζλμλΙ 2 Ι 3 22οΟ CR90Z 55 R42b C ω9Ο J 9Οέ L R τ5ΟΙ Τ5Ο1 RSO3 ς9Ο2 W 5Ι9ι ω 9ιω ι R ΖΙ 5οΚ δΤS F FL9Cbl Ι 1C 33Ο 205 R9p5 R9 CR9O1 ob ΒΖΚ ΗΖΚ R929 2 ι 3Κ R915 C917 1Ο ΟΚ ίΟα o LINE TR G ro g397 b6 R913 pal 7 ξξξ R914 Ιο οΚ 3ΟΚ Ι 34 5 Κ R912 35 Θ ωVΒ cι ιοQ It I Ζ DRIVE Β L ΑΝΚ 1CR824 W FROM _ C...

Page 198: ...9b 10 24 ω 9Β r0 η 2_ ιιr Α3 αΑπΤΙΑι sαflΝ PANEL 1 Qλ R9 β 93 5 CR 55 cx υ Α RW31 Gp n51 2αΚ G R ιu f ΤΟ ι ε C65ι Τ tΦΟ 8ΙΑ5 ΩΖb Ομ 2 R653 24οΚ η5e ro CR9 b2 1C9ω1 C 3 zz ααΟ ε βαο s βθV CR9b3 L9b L ΤΟ IOyH ΓΑ R5 1 o b2 5 2Υ C9ι 13 CID77 ε36ιΟyF Β4QλιF Rθ ρ b2 M Ρ1392 5ιοΚ 0553 z ο C1τβΥ9 CST9 F8f9 Ο 1μ F S ιοΚ _4 9870 WAVEF OR M S ι L9 αΟ GR JΓ oο ro ια Θ αΥ z0 static Sensitive Devices C ο C z CR...

Page 199: ... I NGS 3V Θν 15V θν 150MV 100MV 175V 0ν Θν 175V PROBE GROUND LEAD ON TP940 PROBE GROUND LEAD ON TP940 PROBE GROUND LEAD ON TP940 PROBE GROUND LEAD ON TP940 VOLTAGE A ND DUTY CYCLE VARY W ITH INPUT L INE VOLTAGE PROBE GROUND LEAD ON TP940 ...

Page 200: ...urce using ο 1 1 isolation are referenced to chassis ground t ransformer Do not connect t he test osci ll oscope probe ground l ead to t he I nver ter circu it test poi n ts 1f t he Instrument is not isolated AC source vo l tage exists on reference poi n ts ΤΡ940 and ΤΡ95θ V ARIES W ITH I NTENSITY SETTING 85V 3θV 80V 0V 80V 0V PROBE GROUND LEAD ON TP950 PROBE GROUND LEAD ON TP950 0 8V PROBE GROUND...

Page 201: ...MODE ALT Α SEC D I V Sops Β SEC DIV Β DELAY TIME POSITION 5μθ Β TRIGGER LEVEL RUN AFTER DELAY CW Α TRI GGER Mode Ρ Ρ AUTO Α Β ΙΝΤ CH 1 Α SOURCE ΙΝΤ CH 1 I NPUT SIGNAL 1 kHz sine wove 5 div CRT BLANKED Α I NTENSIFIED Β SWEEP r Γ 3 ΘV 2 6V 45V 30V 15V A MPLITUDE VARIES WITH INTENS ITY ...

Page 202: ...955 1C 4 Η W9400 23 6Ν 7E C799 2D 3F W956 2C 5 F W 9400 24 6Ν 7E W959 1 C 4E W9400 25 6Ν 8Ε E200 4G 4E W960 3 Β 7F W 9400 26 6Ν 8Ε E201 8 Η 4E W961 7 Β 8F W 9400 27 5Ν 8Ε E272 3D 1G W964 2C 3 Η W 9400 3 6Ν 6E E590 6G 8C W965 2C 3 Η W9700 8 2Ν 7E W968 6D 8 F W 9705 1 3Ν 5E R220 4 Η 2D W 971 3C 7E W 9705 4 3Ν 5E R451 8 Ε 6D W 972 3C 6 Ε W 9705 6 3Ν 5E R494 4D 5E W 974 4J 3 Η W 9705 7 3Ν 5E R499 8 Ε ...

Page 203: ... τa ε z τz ω 99 ι R9Co4 W SS b R b 4 R τ J 7 2 F 52 Vι ο Ο ΤΡ 9 b ι W SID ω sτι ω τz 6 bνμ Ο Ο 41 ω992 B b VF Ο Οτ ω 7m Θ bνΑ Ο W 995 Β CσV τ Ο ω9 Β 1 Zk lν Ο Ι α ο Rα 99 3 3 W 7 7 W 954 Β b νς Ο θ σνρ C494 C 1yF 499 οΙριF β ωνς Ι RR 99 3 3 RA 51 1 Ο g59a 4τΟΟ Β eν z R22o 4Z q 3 3 czoc ί 2 Β βνρ W592 4Ζο ...

Page 204: ...8 bVg Ι ι CND i B b V g ΟΓ 41 C Νρ t3 bVς υV5ΟΟΙ Ι Ι gCoc 5 71 W 3 1ΡΟΙ zτ Η ΙΘ_bVq _3 ι POWER Di5TRISUTiON Α 3 ΡΑ RΤΙλ _ ΡRΟΝΤ PAN EL Ι οΑ Rί 7 ω85 r i ΟΟ ω Η g bU S 2 α 8 ω 46 ρ Ο 5 I α θ νΓ Ορ ΟΟ 5 2 Ν i l Νρ i GND λ Gh1D λ GΝδ αGΝζ αG NL D i Β ωρ Static Sensitive Devices See Μαίπεe παπεe seεtipn CO MP O NENT NUM BER EXAMPLE C α m ρσπ πΓ Num b e Γ 6 hαττiεπιουυιΟ dεπmσοπeπϋ pave πσ Αsseπιχγ rv ...

Page 205: ...R760 Χ GAIN R479 TR IGGER SENSITIVITY R471 SLOPE BAL R435 Γ i AUTO R646 D ELAY START R241 DL CO MP2 C 8240 DL Ρ COMP C Al MAIN BOARD ADJUS ...

Page 206: ...Ρ NT LOCATIONS R874 R870 ASTIG GEOM 4206 44 2235 Service ...

Page 207: ...NPUT C COMP COMP HAL C61 10Χ I NPUT C C53 CH 2 ΝΙF LF COM P R 10 CH 1 STEP BAL R26 CH 1 2 mV GAI N R25 CH 1 VAR BAL R97 R76 C76 R83 CH 2 CH 2 CH 2 CH 2 MF LF 2 mV 2 mV 2 5 mV GAIN GAIN PEAK DC BAL COMP BAL A2 ATTENUATOR BOAR D ADJUSTME NT LOCATIONS C26 CH 1 2 mV PEAK COMP 4206 45 R33 CH 1 2 5 mV DC BAL R75 CH 2 INVERT BA L R60 CH 2 STEP BAL ...

Page 208: ...R749 MAG REGIS R 754 Χ 10 GAIN C713 Β R730 R740 H IGH Β SWEEP Α SWE EP SPEED GAIN GAIN TIM I NG A4 TIMING BOARD ADJUSTMENT LOCATIONS C703 Α HIGH SPEED TIMING ...

Page 209: ...AS ALT SWEEP LOGIC BOARD ADJUSTMENT LOCATIO NS α2α6 α7 2235 Service R652 D ELAY EN D ...

Page 210: ... t he i nstrumen t to t he ac power source through an iso l ation t ransformer to preven t the pos si b i l ity of persona l Injury or equ i pmen t damage when t roubleshooting t hese circu its TROUBLESHOOT I NG GU I DE SET I N IT I AL FRONT PANEL CONTROL SETT I NGS NOTE 1 CONNECT POWER CORD TO Α SU I TABLE AC POWER SOURCE AND APPLY POWER TO THE I NSTRUMENT POWER Switch ON bu tton in DOES Α Α I NT...

Page 211: ...UTTON DOES Α BASE L I NE TRACE APPEAR ΝΟ TURN CRT GR I D B I AS ADJ R851 FULLY CLOCKW I SE 7 TROUBLESHOOT Z AXIS AND CRT CI RCU I TS 7 RELEASE BEAM F I ND CHECK TP842 FOR Z AXIS UNBLANK I NG PULSE VAR I ES FROM 10V TO 60V Ρ Ρ W I TH I NTENS I TY CONTROL 7 TROUBLESHOOT S YES DC RESTORER UNBLANK I NG PULSE AND CRT R SENT C I RCU I T 7 NO CHECK R707 FOR THE Α SWEEP SAWTOOTH 12V Ρ Ρ 4 Α SWEEP _ IS COR...

Page 212: ...UTTON ΝΟ ςΕΝΤΕR HOR I ZONTALLY OFF CENTER AND MOMENTAR I LY Ό OR VERT I CALLY SHORT ACROSS ρ DELAY L I NE LEADS HOR I ZONTALLY ς OFF CENTER G m DOES TRACE NO COME TO NEAR CENTER OF GRAT I CULE AREA YES TROUBLESHOOT VERTICAL ATTENUATOR X1 X10 AMPL VERT I CAL PREAMPL I F I ER AND DELAY L I NE DR I VER FOR SOURCE OF I MBALANCE 1 2 TROUBLESHOOT VERT I CAL OUTPUT AMPL I F I ER 2 TROUBLESHOOT I NG GU I ...

Page 213: ...ns an Item Name may sometimes appear as incomplete For f urther Item Name identification the U S Federal Catalogi ng Handbook Η6 1 can be utilize d where possi ble ABBREVIATIO NS Section 10 2235 Service This mechanical parts list is indented to indicate item relatio nships Followi ng is an exam ple of the indentation system used in t he desc ription column ITEM NAME I NCH ELCTRN ELECTRON IN INCH S...

Page 214: ...Y NEW CUMBERLAND PA 17070 24931 SPECIALITY CO NNECTOR CO INC 2620 ENDRESS PLAC E GREENWOOD IN 46142 71400 BUSSMAN MFG DIVISIO N OF MCGRAW EDISON CO 2536 W UNIVERSITY ST ST LOUIS MO 63107 73743 FISCHER SPECIAL MFG CO 446 MORGAN ST CI NCINNATI OH 45206 77820 BENDIX CO RP THE ELECTRICAL CO MPONENTS DIVISIO N SHERMAN A VE SIDNEY NY 13838 78189 ILLINOIS TOOL WORKS INC SHAKEPR OO F DIVISION ST CHARLES R...

Page 215: ... 00 ATTACH ING PARTS 3 211 0691 00 2 SCREW MACHINE 6 32 Χ 0 625 ΡΝΗ 01536 OBD END ATTACHING PARTS 4 213 0882 00 1 SCREW TAPPING 6 32 Χ 0 437 TYPE C 01536 OBD 5 334 4714 00 1 MARKER IDENT MARKED HANDLE TAG 80009 334 4714 00 6 367 0289 00 1 HANDLE CARRYING 13 855 SST 80009 367 0289 00 ATTACHING PARTS 7 212 0144 00 2 SC REW TPG TF 8 16 Χ 0 562 L 93907 225 38131 012 EN D ATTACHING PARTS 8 390 0790 06 ...

Page 216: ...ω 1Ι1y1ι ΙΙ ...

Page 217: ...2235 SERVICE 2 ...

Page 218: ...ΙΙ ΙΙΙΙ U1 ς ι ΙΙυφ ι Φ Φ φ 64 59 79 ...

Page 219: ...L FRONT 80009 333 2918 00 25 386 4850 00 1 SUBPANEL FRONT 80009 386 4850 00 ATTACHING PARTS 26 213 0881 00 3 SCREW TAPPING 6 32 Χ 0 25 ΤΥΡΕ C 01536 OBD 27 213 0882 00 2 SCREW TAPPING 6 32 Χ 0 437 ΤΥΡΕ C 01536 OBD END ATTACHING PARTS 28 348 0660 00 4 CUSHION CRT POLYURETHANE 80009 348 0660 00 29 361 1192 00 1 SPACER SLEEVE 0 45 L Χ 0 25 ID AL 80009 361 1192 00 30 407 2824 00 1 BRACKET GROUND PANEL ...

Page 220: ...457 00 1 NUT PL ASSEM WA 6 32 Χ 0 312 STL CD PL 83385 OBD END ATTACHING PARTS 69 334 3379 02 1 MA RKER IDENT MARKED GROUND SYMB OL 80009 334 3379 02 70 407 2729 00 1 BRACKET HEAT SK AL 80009 407 2729 00 ATTACHING PARTS 71 211 0304 00 1 SCREW MACHINEA 40 Χ 0 312 ΡΝΗ 01536 OBD 72 210 0586 00 2 NUT PL ASSEM WA 4 40 Χ 0 25 STL 83385 OBD END ATTACHING PARTS 73 211 0302 00 1 SCREW MACHINE 4 40 Χ 0 75 ΡΝ...

Page 221: ...361 1191 00 1 SΡΑCΕR CΚΤ BD 0 222 Χ 0 125 Χ 0 25 80009 361 1191 00 22 337 3014 00 1 SHIELD ELEC ATTENUATOR TOP 80009 337 3014 00 ATTACHING PARTS 23 211 0325 00 1 SCR ASSEM WSHR 4 40 Χ 0 25 PNH TORX DRIVE 01536 OBD 24 211 0326 00 2 SCREW MACHINE 4 40 Χ 1 25 PNH TORX DRIVE 93907 OBD END ATTACHING PARTS 25 670 7561 00 1 CKT BOARD ASSY ATTENUATOR 80009 670 7561 00 SEE Α2 REPL ATTACHING PARTS 26 211 03...

Page 222: ...S 44 211 0325 00 3 SCR ASSEM WSHR 4 40 Χ 0 25 PNH TORX DRIVE 01536 OBD END ATTACHING PARTS 45 131 0608 00 18 TERM I NAL PIN 0 365 L Χ 0 025 ΡΗ BRZ GOLD 22526 47357 46 131 0787 00 4 CONTACT ELEC 0 64 INCH LONG 22526 47359 47 337 2944 00 1 SHIELD ELEC SW BOARDS BOTfOM 80009 337 2944 00 48 210 0406 00 2 NUT PLAIN HEX 4 40 Χ 0 188 INCH BRS 73743 12161 50 49 129 0906 00 2 SPACER POST 0 685 L W 4 40 ΙΝΤ...

Page 223: ...Α3 Ο Φ 5 4l R ...

Page 224: ...y ν Α2 τs ύ as Α4 α3 2235 S ERVICE ...

Page 225: ...SCILLOSCOPE 80009 070 4207 00 OPTIONAL ACCESSORIES 2 01 3 0191 00 2 TIP PROBE W ΑCΤUΑΤΟΑ 80009 013 0191 00 020 0672 00 1 ACCESSORY ΚΙΤ 80009 020 0672 00 3 200 2520 00 1 COVER SCOPE FRONT 80009 200 2520 00 016 0677 00 1 POUCH ACCESSO RY 80009 016 0677 00 4 016 0535 01 1 POUCH ACCESSORY 80009 016 0535 01 5 386 4647 01 1 PLATE MOUNTING BAεK ALUM 80009 386 4647 01 6 159 0019 00 1 FUSE CARTRIDGE 3AG 1A...

Page 226: ...to printing and shipping requirements we can t get these changes immediately into printed manuals Hence your manual may contain new change information on following pages Α single change may affect several sections Sincethe change information sheets are carried i n the manual until all changes are permanently entered some d uplication may occur If no such change pages appear following this page you...

Page 227: ...rt No See Below 2213 070 3827 00 Β029390 2215 070 3826 00 Β031640 2235 070 4206 00 ΒΟ 10380 2236 070 4204 00 Β010550 DESCRIPTION REPLACEABLE ELECTRICAL PARTS LIST CHANGES 2213 2215 CHANGE TO Α 10Τ940 120 1348 01 XFMR PWR SDN SU HIGH VOLTAGE 2235 2236 CHANGE TO Α 1 Τ 948 120 1348 01 XFMR PWR SDN SU HIGH VOLTAGE 00 0 2775 00D Page 1 of 1 ...

Page 228: ... 321 0218 00 RES FXD CMPSN 1 82Κ ΟΗΜ 1 0 125W PC16 Α 1 R343 Β010450 321 0193 00 RES FXD CMPSN 1 Κ ΟΗΜ 1 0 125W PC16 Al R344 Β010450 321 0212 00 RES FXD CMPSN 1 58Κ ΟΗΜ 1 0 125W PC16 Al R347 Β010450 321 0238 00 RES FXD CMPSN 2 94Κ ΟΗΜ 1 0 125W PC16 Al R352 Β010450 321 0274 00 RES FXD CMPSN 6 98Κ ΟΗΜ 1 0 125W PC16 All R353 Β010450 321 0274 00 RES FXD CMPSN 6 98Κ ΟΗΜ 1 0 125W PC16 Α1C500 ALL S N s 28...

Page 229: ... and R347 location 6J to 2 94Κ ohm resistors B01 0450 PC16 Change 8319 location 2Η and R344 location 5J to 1 58Κ ohm resistors B01 0450 PC16 Change R318 location 1G and R343 location 3G to 1 ΟΚ ohm resistors B01 0450 PC16 Change R317 location 1 F and R342 location 3F to 1 82Κ ohm resistors B01 0450 PC16 Add R354 2 7Κ ohm from the junction of pins θ and 14 of U350 location approximately 3Κ to 8 6 V...

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