Tektronix 2336YA Instruction Manual Download

Page: 4 / 308

Summary of Contents for 2336YA

Page 1: ...CONTAINED IN OPERATING INSTRUCTIONS UNLESS YOU ARE QUALIFIED TO DO SO REFER TO OPERATORS SAFETY SUMMARY AND SERVICE SAFETY SUMMARY PRIOR TO PERFORMINGANY SERVICE PLEASE CHECK FOR CHANGE INFORMATION AT THE REAR OF THIS MANUAL OSCILLOSCOPE SERVICE INSTRUCTION MANUAL Tektronix Inc P O Box 500 Beaverton Oregon 97077 070 5011 00 Product Group 38 Serial Number First Printing OCT 1983 ...

Page 2: ...price change privileges are reserved INSTRUMENT SERIAL 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 manufact...

Page 3: ...DISPLAY 2 11 SIGNAL DISPLAY 2 11 MAGNIFIED SWEEPDISPLAY 2 12 DELAYED SWEEP DISPLAY 2 12 DELAYED SWEEP MEASUREMENTS 2 12 SINGLE SWEEP DISPLAY 2 12 X Y DISPLAY 2 13 Page SECTION 3 THEORY OF OPERATION INTRODUCTION 3 1 GENERAL DESCRIPTION 3 2 DETAILED CIRCUIT DESCRIPTION 3 6 CHANNEL 1 AND CHANNEL 2 ATTENUATORS 3 6 VERTICAL PREAMPLIFIERS DIODE GATES AND DELAY LINE DRIVER 3 7 VERTICAL OUTPUT AMPLIFIER 3...

Page 4: ... 12 INTRODUCTION 6 12 MAINTENANCE PRECAUTIONS 6 12 OBTAINING REPLACEMENT PARTS 6 12 MAINTENANCE AIDS 6 12 INTERCONNECTIONS 6 12 Page CORRECTIVE M AINTENANCE cont TRANSISTORS AND INTEGRATED CIRCUITS 6 14 SOLDERING TECHNIQUES 6 14 REMOVAL AND REPLACEMENT INSTRUCTIONS 6 15 Cabinet 6 16 Lid Cover 6 16 A30 Delta Time Logic Circuit Board 6 16 B Trigger Panel 6 17 Delta Time Interconnect Cable 6 17 Catho...

Page 5: ...tailed block diagram 3 14 Trigger signal slow path low frequency 3 15 Trigger signal fast path high frequency 3 16 Simplified diagram of the B Trigger Generator and B Source and B Slope switching circuitry 3 18 Sweep operation in the A Sweep Mode 3 23 Sweep circuit waveform relationships 3 24 Sweep operation in the B Sweep Mode 3 25 Horizontal Amplifier detailed block diagram 3 27 High Voltage Osc...

Page 6: ...6 main block diagram 2336 Delta Time block diagram A19 Attenuator exploded view A1I Negative Regulator A12 Positive Regulator and AlO Vertical Preamp1L V Power Supply boards A15 Vertical 0utputIH V Power Supply board A23 Trigger board A24 SweepIHorizontal Amplifier Option board A16 B Timing and A17 A Timing boards Timing Switch exploded view A30 Delta Time Logic and A31 B Timing Slope Switch board...

Page 7: ...Combinations for A Trigger Checks CH 2 4 14 Settings for Timing Accuracy Checks 4 19 A Time Readout Accuracy 4 20 Adjustment Interactions 5 3 Main Power Supply Tolerances and p p Ripple 5 6 Vertical DC Accuracy Checks 5 13 Switch Combinations for A Trigger Checks CH 1 5 21 Switch Combinations for B Trigger Checks 5 21 Switch Combinations for A Trigger Checks CH 2 5 21 A Time Linearity 5 28 Setting...

Page 8: ...ductor and ground A protective ground connection by way of the grounding conductor in the power cord is essential for safe operation Grounding the Product This product is grounded through the grounding conductor of the power cord To avoid electrical shock plug the power cord into a properly wired receptable before con necting t o the product input or output terminals A protective ground connection...

Page 9: ...ngerous voltages exist at several points in this product To avoid personal injury do not touch exposed connec tions or components while power is on Disconnect power before removing protective panels soldering or replacingcomponents Power Source This product is intended to operate from a power source that does not apply more than 250 volts rms between the supply conductors or between either supply ...

Page 10: ...2336 Service viii 4118 01 The 2336 Oscilloscope ...

Page 11: ... AGC fast blow fuses 0 5 A AGC fast blow fuse For part numbers and further information about acces sories refer to the Accessories page at the back of this manual Your Tektronix representative or local Tektronix Field Office can also provide accessories information AVAILABLE OPTION Option 03 100 Vl200 V Power Transformer permits operation of the instrument from either a 100 V or a 200 V nominal ac...

Page 12: ...reference signal from a 2542 source centered vertically with VOLTSIDIV VAR control in cali brated detent Frequency Response Dc to at least 100 MHz Reducesto 88 MHz at 2 mV per di ision Dc to at least 85 MHzma Reducesto 70 MHz a t 2 mV per di ision Ac Coupled Lower 3 dB Point 1X Probe 1OX Probe Step Response 5 division reference signal dc coupled at all deflection factors from a 25 2 source centere...

Page 13: ...sion from center screen when switching from normal to inverted Channel 2 Invert Trace Shift lnput Gate Current 1 5 to 30 c 0 1 division trace shift when moving lnput Coupling switch from GND to AC at 5 mV per division 0 5 nA or less 0 8 divisiontrace shift when moving lnput Coupling switch from GND to AC at 5 mV per division Attenuator Isolation CH 1 to CH 2 At least 100 to 1 With one vertical inp...

Page 14: ...nal at 100 MHz HF REJ Coupled Signal 0 3division internal or 50 mV external from 20 Hz 4 Hz to 50 kHz 210 kHz DC Coupled Signal 0 3division internal or 50 mV external from dc to 20 MHz increasingto 1 Idivisions internal or 150 mV external at 100 MHz B TRIGGER Ac Coupled Signal 0 3division internal or 50 mV external from 30 Hz to 20 MHz increasingto I Idivisions internal or 150mV external at 100 MH...

Page 15: ...n 50 ms per division to 0 05 ps per division in a 1 2 5 sequence X I 0 MAG extends maximum sweep speed to 5 ns per division 4 division reference signal from a 2542 source centered vertically Unmagnified 5 division signal with 5 ns rise time or less from 2542 source centered vertically equal cable length from signal source to vertical channel and external trigger inputs terminated in 50 Sl at each ...

Page 16: ...AG off Start of sweep must position to right of graticule center End of sweep must position to left of graticule center Checked at 1 ms per division f 1 of reading f 1 count 2 5 of reading I count a Exclude delayed operation when knobs are locked at any sweep speed or when the A SECIDIV switch is at either 0 1 ys per division or 0 05 ys per division Exclude the first 0 25 division on all A Sweep s...

Page 17: ... Cycle Output Voltage 0 C to 40 c Repetition Rate Output Impedance Z AXIS INPUT Sensitivity Usable Frequency Range 5 V p p signal referencedto ground causes noticeable modulation of display at normal intensity I Dc to20 MHz Positive goingsignal decreases intensity negative goingsignal increases intensity lnput Resistance I 1 10kQ 6 lnput Capacitance I Less than 15 pF Maximum lnput Voltage 25 V dc ...

Page 18: ... Standard Phosphor 60 W at 132 V 48 H z 75 V A Raster Distortion Geometry Measured at worst case load and frequency Nominal AcceleratingVoltage Electrode Voltages to Ground Heater Voltage Between CRT Pins 1 and 14 CATHODE RAY TUBE 8 by 10 divisionswith 0 8 centimeter divisions internal nonilluminated rise time graticu e Adequate to align trace with horizontal graticule lines Less than 0 1 division...

Page 19: ...cs INTERNAL POWER SUPPLIES Supplemental Information I Initial Setting Low VoltageSupply Accuracy 20 c to 30 C High Voltage Supply Accuracy 20 c to 30 C 1 960 V cathode Maximum p p Ripple I 6 kV anode High Voltage Oscillator Frequency p p Ripple REV FEB 1982 ...

Page 20: ...ng temperature decreased 1 C per 1 000 ft above 5 000 ft To 50 000 ft 55 90 relative humidity for at least 72 hours 60 C 90 relative humidity for at least 72 hours 15 minutes along each of 3 major axes at a total displacement of 0 025 inch p p 4 g a t 55 Hz with frequency varied from 10 Hz to 55 Hz to 10 Hz in l minute sweeps Hold 10 minutes at each major resonance or if none exists hold 10 minute...

Page 21: ... 3 in Width With Handle 315 mm 12 4 in 274 mm 10 8 in Without Handle Depth With Front Cover 432 mm 17 0 in 527 mm 20 8 in With Handle Extended Table 1 4 Option Electrical Characteristics Voltage Ranges AC rms 100 V Nominal Characteristics Power Consumption Typical 100 V 200 V POWER TRANSfORMER OPTION 03 Performance Requirements 200 V Nominal Line Frequency Measured at worst case load and frequency...

Page 22: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 23: ...or a 230 V nominal ac power input source with a line frequency ranging from 48 Hz to 440 Hz Before connecting the power cord to a power input source verify that the LlNE VOLTAGE SELECTOR switch located on the rear panel see Figure 2 I is set for the correct nominal ac power input source voltage To convert the instrument for oper ation from one line voltage range to the other move the LlNE VOLTAGE ...

Page 24: ...tlet that has a properly grounded protective groundcontact Instruments are shipped with the required power cord a s ordered by the customer Available power cord options are illustrated in Figure 2 2 Contact your Tektronix representative or local Tektronix Field Office for additional power cord information Nominal Line Configuration Usage Voltage lug AC North is 120 Universal 1 Eu1 0 1 240V 240Vl 1...

Page 25: ...rt trace with the horizontal grati cule lines Internal Graticule Eliminates parallax viewing error between the trace and graticule lines Rise time amplitude measurement points are indicated at the left edge of the graticule SERIAL and Mod Slots The SERIAL slot is imprinted with the instrument s serial number The Mod slot contains the option number that has been installed in the instrument VERTICAL...

Page 26: ...ush button switches that select the mode of operation for the vertical amp1ifier system CH l Selects only the Channel 1 input signal for display ALT The display alternates between Channel 1 and Channel 2 vertical input signals The alter nation occurs during retrace at the end of each sweep This mode is useful for viewing both vertical input signals at sweep speeds from 0 2 ms per division to 0 05 ...

Page 27: ...a 1 2 5 sequence The A SECIDIV switch sets the time between the B Sweeps delay time For calibrated sweep rates the TlME PULL VAR control must be in the calibrated detent fully clockwise position A SECIDIV The A Sweep speed is shown between the two black lines on the clear plastic skirt This switch also selects the delay time used in conjunction with the B DELAY TlME POSI TION control for delayed s...

Page 28: ...ger signal at which the sweep is triggered The LEVEL control is usually adjusted for the desired display after trigger SLOPE COUPLING and SOURCE switch settings have been selected Trigger Mode Switches Three push button switches that determine the trigger mode for the A Sweep AUTO Permits triggering on waveforms with repetition rates down to approximately 10 Hz Sweep free runs and provides a basel...

Page 29: ...o the A Trigger circuitry This position is useful for displaying low frequency or low repetition rate signals TRIG HOLDOFF PUSH VAR Control Provides continuous control of holdoff time between sweeps This control improves the ability to trigger on aperi odic signals such as complex digital waveforms and increases the minimum holdoff time to at least 2 5 times at any sweep speed B TRIGGER Refer to F...

Page 30: ...A SECI DIV switch B DELAY TlME POSITION and A TlME POSITION controls The readout displays UNCAL when the TlME PULL VAR control is out of calibrated detent It indicates units of time difference between the two intensified zones on the crt display in seconds s milliseconds ms micro seconds ps or nanoseconds ns REAR PANEL Refer to Figure 2 8 for location of items 40 and 41 GND Connector Provides dire...

Page 31: ...en horizontal major divisions In addition each major division is divided into five subdivisions The vertical deflection factors and horizontal timing are calibrated to the graticule so that accurate measurements can be made directly from the crt Also percentage marks for the measurement of rise and fall times are located on the left side of the graticule 1ST OR LEFT CENTER 11TH OR RIGHT VERTICAL V...

Page 32: ...hat may accidentally appljed to the amplifier input switched from GND to AC The be generated will not be when input coupling is precharging network also provides a measure of protection to the external circuitry by reducing the current levels that can be drawn from the external circuitry during capacitor charging The following procedure should be used whenever the probe tip is connected to a signa...

Page 33: ...and set it to the calibrated detent fully clockwise then push in the VAR knob Select A Off push button out Midrange Fully counterclockwise Midrange A Trigger SLOPE LEVEL Trigger Mode COUPLING SOURCE TRIG HOLDOFF PUSH VAR B Trigger SLOPE LEVEL SOURCE push button out Midrange Select AUTO AC VERT MODE Fully clockwise and pushed in UP Midrange A TlME 2 Press in the POWER switch button ON and allow the...

Page 34: ... TlME POSITION control to move the measurement point to the second pulse of interest 5 Select the B HORlZ MODE and adjust the A TlME POSITION control to superimposethe waveforms 6 Read the time difference on the LCD readout SINGLE SWEEP DISPLAY 1 Obtain a Signal Display 1 Obtain a Signal Display For random signals set the A TRIGGER LEVEL control to trigger the sweep on a 2 Set the B TRIGGER SOURCE...

Page 35: ...dvance the INTEN control setting until two dots are displayed The display can be positioned horizontally with the Horizontal POSITION control and vertically with the Channel 2 POSITION control NOTE The display obtained when sinusoidal signals are applied to the X and Y axis is called a Lissajous Figure This display is commonly used to compare the frequency and phase relationship of two input signa...

Page 36: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 37: ...hown enclosed within a diamond symbol on the tab of the appropriate foldout page For optimum understanding of the circuit being described refer to both the applicable schematic diagram and the functional block diagram INTEGRATED CIRCUIT DESCRIPTIONS Digital Logic Conventions Digital logic circuits perform many functions within this instrument The operation of these circuits is represented by speci...

Page 38: ... at this point is the Bandwidth Limit circuitry that when B W LIMIT is selected reduces the upper frequency response limit of the vertical deflection system Three stages of amplification are contained in the input amplifier The vertical portion of the Beam Find circuitry acts on the third stage of amplification in the integrated circuit When the Beam Find function is activated by pressing in the B...

Page 39: ...TRIC VIEW ENABLE VERT TRIC DISABLE CH 1 SELECT CH 2 SELECT ...

Page 40: ...is deflection signal The Y Axis deflection signal is supplied from the CH 2 OR Y input connector In A TIME Delayed Gates are generated from the A Sweep Generator at different delay times on alternate sw eeps One Delayed Gate corresponds to the delay time set by the B DELAY TlME POSITION control the other corresponds to the delay time set by the A TlME POSI TION control The resulting display appear...

Page 41: ... to supply required circuit operatingvoltages Fan drive voltage is produced by a three stage switching circuit The Fan s speed is determined by both the ambient temperature and the line voltage level via the 5 V unreg ulated voltage source The Amplitude Calibrator circuit provides a square wave output signal with accurate voltage amplitude This signal is useful both for checking the instrument ver...

Page 42: ... set to GND With C15 precharged the trace will remain within the graticule area of the crt whenever the input coupling switch is moved from GND to AC The GND position of S2 provides a ground reference without the need to disconnect the applied signal from the input connector lnput Attenuator The effective overall deflection factor of each vertical channel is determined by the setting of the associ...

Page 43: ...der remains in the signal path for all attenuation factors capacitors C15 and C20 compensate the divider network to maintain a 75 Cloutput impedance for all VOLTSIDIV switch settings The signal from the Output Attenuator is fed to the Vertical Preamplifier via a 75 atransmission line VERTICAL PREAMPLIFIERS DIODE GATES A N D DELAY LINE DRIVER Channel 1 and Channel 2 Vertical Preamplifiers are shown...

Page 44: ...EW feature is used the output of the common base stage is blocked by a diode gate to prevent the vertical input signal from reaching the Delay Line Driver Channel 2 Invert Operation The Channel 2 common base output stage is composed of two transistor pairs In the noninverting mode tran sistors Q132 and Q134 are biased on to carry the signal current When the INVERT push button switch is pressed in ...

Page 45: ...ed on to pass the Channel 1 and Channel 2 vertical signals Both channel signal currents are summed at the input to the Delay Line Driver to produce the ADD display signal ALTERNATE AND CHOPPED DISPLAY The Diode Gates are switched on and off by the channel select signals from the Vertical Switching Logic circuit When ALT VERTI CAL MODE is selected the Diode Gates are switched at the end of each swe...

Page 46: ...at would otherwise occur between the Vert Mode Trigger output and the Trig View input Diode CR180 provides thermal compensationof the 2182 base to emitterjunction voltage Delay Line Delay Line DL900 provides about 90 ns of delay in the vertical signal When usinginternal triggering VERT MODE CH 1 or CH 2 the delay time allows the Sweep Generator circuits sufficient time to initiate a sweep before t...

Page 47: ...AL MODE switch During chopped operation the Chop Blanking portion of the circuit supplies a blanking signal to the Z Axis Amplifier When switching between channels this blanking signal turns off the Z Axis Amplifier to prevent transients from appearing in the display CHANNEL 1 DISPLAY When only the CH 1 push button is pressed in the remaining VERTICAL MODE switches are released The Reset input of ...

Page 48: ... then HI and C197 charges through CR201 and R201 to make U196A pin 2 HI At the moment the CHOP VERTICAL MODE switch is pressed in U196A pin 1 becomes HI and U196A pin 3 is then switched LO Capacitor C197 begins discharging through parallel resistor R197 toward the LO threshold of U196A When the LO input threshold is reached U196A pin 3 is switched HI to start charging C197 back to the HI thresh ol...

Page 49: ... to prevent either channel signal from passing to the Delay Line Driver X Y DISPLAY To obtain an X Y display both CH 1 and CH 2 VERTICAL MODE push buttons are pressed in simultaneously A LO is placed on the Set input of U211A by the CH 2 VERTICAL MODE switch and the Channel 2 Diode Gate is biased on The Channel 2 signal is then applied to the Vertical Output Amplifier to provide Y Axis vertical cr...

Page 50: ...ger COUPLING switch Signals are applied to the Trigger Generator via two different signal paths A portion of the A COUPLING switch S67A selects either AC or DC coupling to apply the external triggering signal to the A External Trigger Amplifier When set to DC coupling all components of the input signal are passed in ILEVEL I S22A S22B EXT 10 EXT hKcl SLOPE CTR SLOPE OP AMP I N GATE OP AMP OUT U81 ...

Page 51: ... a s an input signal by a portion of the A Trigger SOURCE switch This switch controls the Trigger Generator input pins using enabling voltages rather than by directly switching trigger signals Each signal is applied to a separate internal emitter follower in U81 When 0 V is applied to the input pin by grounding out the pull down voltage the emitter follower associated with that pin will conduct th...

Page 52: ...Generator the AC LF REJ and DC positions pin 4 is enabled by the The A Trigger Generator consists of integrated circuit ground applied to R56G through the LINE contacts of the U81 and associated components Contained within U81 is A Trigger SOURCE switch In the HF REJ position a the necessary circuitry to generate the Gate output signal ground is applied to R56G through the HF REJ contacts at U81 p...

Page 53: ...Trigger Generator U122 diagram 5 Switching transistors on the Source Select lines U365A B C and D are forward biased whenever the B SOURCE associated with that select line is not selected The transistors conduct and apply the 5 V emitter voltage to the Trigger lnput pins of the B Trigger Generator U122 diagram 5 The negative voltage keeps the B Trigger Generator IC emitter followers reverse biased...

Page 54: ...5 I U365A I CH 1 1 CH 2 7 R372 lw BGATE TO B SWEEl GENERATOR INVERTER Q Q13Q 3 6 5 0 IR125 t7 EXT 5 lW a R l 2 6 I I B RESET TP153 A SWEEP 9OR RESET U122 B TRIGGER GENERATOR B EXT p q HYST f RC FILTER LEVEL I N FREE RUN SLOPE 1BVE IB RESET DISABLE TO R62 DELTA TIME I I SWEEP TRIGGER 0 Figure 3 9 Simplified diagram of the B Trigger Generator and B Source and B Slope switching circuitry ...

Page 55: ...posed of source follower Q88 constant current source 089 and emitter follower Q92 In addition to acting as a constant current source for Q88 FET 089 also provides thermal compensation for the amplifier stage The output trigger signal is taken from the emitter circuit of Q92 and fed to the B Trigger Generator diagram 5 where it is available for selection a s the B Trigger signal B Trigger LEVEL con...

Page 56: ...s used in conjunction with the logic level on pin 14 Sweep Disable on U43 Delayed Gate In on U24 to start and stop the sweep A negative going gate pulse applied to pin 13 starts the sweep if pin 14 is LO Also a negative goinggate pulse applied to pin 14 starts the sweep if pin 13 is LO When either A TlME or RUNS AFTER DLY is selected pin 13 of B Sweep Generator U24 is held LO by the B Gate signal ...

Page 57: ...sed and the 5 V from 0208 to U216B pin 9 is removed If either A INTEN or B HORIZ MODE is also selected CR202 is reverse biased and the Alt Sync signal applied to U216B pin 9 via CR208 is enabled to drive U216B In this condition the dc level applied to the Delay Time In pin of U43 alternates between the output voltage of U197A and the output voltage of U197B On one A Sweep the Delayed Gate to the B...

Page 58: ...th each timing components pin of the IC Pin 1 NORM Mode When this pin is grounded through the A Trigger Mode switch S210 the sweep operates in the single sweep mode When the ground is removed from this pin by pressing in the NORM push button the sweep operates in the repetitive mode Pin 2 Single Sweep Reset Pressing in and releasing the SGL SWP push button prepares the single sweep circuitry to re...

Page 59: ...2 to cause the A Reset signal at U87 pin 9 to go HI The HI A Reset signal is then applied to Trigger Generator U81 a t pin 17 via 3104 to reset U81 and the In Sweep Control IC U87 application of the A Gate signal at pin 5 prevents the generation of an Auto Gate output at pin 6 Output gates automatically occur at pin 6 A Gate signal appliedto U43 at pin 13 goes HI TO B SWP w SWITCH I N SHOWN I N A ...

Page 60: ...13 the 5output pin is applied to the Vertical Switching Logic circuitry to synchronize vertical switching between channel displays when ALT VERTICAL MODE is selected When A TlME is selected the Alt Sync pulse is also applied to CMOS switch U216B via CR208 The Alt Sync pulse switches the delay time between that set by the B DELAY TlME POSITION control and that set by the A TlME POSITION control Whe...

Page 61: ...SWITCH I N HO START OUT DLY GATE OUT US3 A SWEEP GENERATOR A GATE I N DELAY T I E A RESET 5V 1 RESET JL2 SUP B 5W P I N SUP U l 2 8 HORIZ PREAMP HORIZ 7 A AUTO I ChfE TRIG SIG I N GATE HO START I N HO OUT LOGIC GATE U87 SWEEP CONTROL HO DELAY TIME FROM U216B 5v I I RAW I TRIGGER I SWEEP HORIZ AMPLIFIER Figure 3 12 Sweep operation in the B Sweep Mode ...

Page 62: ... signal pro duced at U24 pin 12 during the B Sweep time adds to the A Crt Unblanking signal to produce the intensified zone s on the crt display trace X Y Mode When both CH 1 and CH 2 VERTICAL MODE push buttons are pressed in the X Y display is enabled The X Y Enable signal is applied to U43 pin 14 to disable both the A and B Sweep outputs to the Horizontal Amplifier How ever the X Y Enable signal...

Page 63: ...ied to the Horizontal Output Amplifier Pin 3 Gain Set The amplifier gain setting circuitry is connected between this pin and pin 6 Relay K127 is actuated by the front panel XI0 MAG push button to switch either the X I or X I 0 gain setting components into the circuit FROM CH 1 AND CH 2 XY ENABLE 12 VERTICAL lODE SWITCHES FROM A SWEEP 10 A AND B SWEEP B SWEEP 9 ENERATORS FROM BEAM F I N D MAGNIFIER...

Page 64: ...nal amplifier is composed of Q160 Pin 12 X Y Mode Switches the amplifier circuitry to Q167 and Q168 the positive going signal amplifier is amplify the signal connected to pin 11 A LO on pin 12 is composedof 0174 0176 and Q181 Transistor Q155 is normal for A or B Sweep amplification a constant voltage source which is common to both input transistors Q160 and Q174 Pin 13 Frequency Compensation Conne...

Page 65: ...r 102 V Low Voltage Power Supply High Voltage Rectifier High Voltage Multiplier and the Crt controls High VoltageOscillator Transistors Q l 6 l and Ql63 and associated components compose a High Voltage Oscillator that produces drive for HighTVoltageTransformer T167 The frequency of oscil lation is determined by the resonant frequency of TI67 approximately 38 kHz Waveform relationships in the circu...

Page 66: ...scillation is reduced If the crt cathode voltage becomes more negative due to less loading of the high voltagesupply the charging current to C183 through 0184 is reduced even more to hold the voltage across C183 at a more negative level The feed back voltage at TI67 pin 3 must rise to a higher positive level to overcome the voltage on C183 and Q161 will turn on later in the resonant cycle The redu...

Page 67: ...isplay and CH 2 display Chop Blanking Amplifier 0209 diagram 4 is turned on and current of opposite polarity to the unblanking signal current is drawn through R92 The unblanking signal current is completely cancelled and additional current is drawn from the emitter current available to Q93 Less current flows through Q93 and the collector voltage rapidly rises toward the 40 V supply voltage level T...

Page 68: ...cuit is referenced to the crt cathode voltage inside U130 Capacitor C connected to pin 6 of U130 initially charges to a level determined by the differ ence between the Z Axis Amplifier output level and the cathode referencevoltage The charging path is from the crt cathode through the DC Restorer components internal to U130 diode A resistor E l and capacitor C to U130 pin 6 then to R134 CR130 and R...

Page 69: ...utput level then follows the Z Axis output voltage level to set the new bias voltage for the crt control grid Neon lamps DS196 and DS197 prevent arcing in the crt if the potential on either the control grid or the cathode is lost for any reason LOW VOLTAGE POWER SUPPLY The Low Voltage Power Supply circuit shown on schematic diagram 10 includes five regulated supplies to provide the operating power...

Page 70: ...will turn on The collector of Q239 then moves in the negative direction and Q244 and Q246 begin turning off to limit the output current Even though the supply is limited transistor Q246 will continue to conduct current in order to produce enough voltage drop across R246 to keep 0239 biased on The limited output voltage can be any value between the supply s regulated value and zero depending on the...

Page 71: ... respectively These parallel RC combinations produce a slightly different time constant circuit to each of the three driver circuits to ensure that the start up sequence is in the correct order for proper direction of Fan rotation Only one of the driver sections is on at any one time Negative feedback to the other sections holds them off during the period of time that the conducting stage is suppl...

Page 72: ... contained in the lid of the instrument provides the time measuring capability of the 2336 In the A TlME position of the B Trigger SOURCE switch two intensified zones will appear on the A INTEN HORlZ MODE Sweep display These two zones mark the timing set by the 6 DELAY TlME POSITION control and PrescalingCircuit The voltage levels from the B DELAY TlME POSITION and A TlME POSITION controls are app...

Page 73: ... psldivision 10 V is applied to the base of Q222 either through R223 or R224 Transistor 2222becomes forward biased and 10 V is applied to the A SECIDIV Setting UNCAL gate of Q213 to bias it off This removes the shunting resis tance of R212 from across R214 and improves the linearity for the faster time measurements AID Converter The prescaled voltage difference between the B DELAY TlME POSITION an...

Page 74: ...274 CR202 A SWP MODE N 4 b U216B m m L DELAY TIME TO A SWP R214 GENERATOR 4 0K R918A 4b U216A TO A D CONVERTOR 1 SEQUENCE FROM 2 SEQUENCE FROM A SEC DIV SWITCH A SEC DIV SWITCH 41 18 43 Figure 3 18 Simplified diagram of the Delay Time Switching and Prescaling circuit ...

Page 75: ...elop the proper logic levels for use in the TTL circuits that follow Converter In addition to auto ranging the AID Converter The output of comparators U25B and U25C switches the Auto Range bit addresses data from PROM U38 that between high impedancefor a HI input and 10 V for a LO automatically switches the decimal point in the LCD input In the output of U25B a voltage divider composed readout to ...

Page 76: ...he signal lines The logic levels produced are buffered by U55A B C and D and then applied to the address inputs A through A4 of PROM U38 The output data from the address selected 0011 may be determined from the logic listing for U38 in Table 3 1 Scale Factor Decoder PROM The A through A4 bits applied to the input pins of PROM U38 address memory locations within the PROM Each addressed location pro...

Page 77: ... opened to shut that device off and second the 10 V is applied to the comparators at the output of PROM U38 to ensure that the display is blanked Setting the y and z signal lines HI is accomplished via different pairs of switching diodes for each of the pre viously mentioned blanked conditions For each of the B SOURCE switch positions except A TIME 5 V is applied via CR51 and CR52 to the y and z s...

Page 78: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 79: ...acy check its performance after every 2000 hours of operation or once each year if used infrequently LIMITS AND TOLERANCES The limits and tolerances given in this procedure are valid for an instrument that has been calibrated a t an ambient temperature between 2 0 and 30 is oper ating at an ambient temperature between 1 5 and 5 5 unless otherwise noted and has had a warm up period of a t least 20 ...

Page 80: ...tput amplitude variable from 0 5 to 5 5 V p p Output impedance 50 a Reference frequency 50 to 350 kHz Amplitude accuracy constant within 3 of refer ence frequency as output frequency changes Vertical centeringchecks and adjustments Bandwidth and isolation checks Trigger checks and adjustments X Y phase difference check X Y bandwidth check TEKTRONIX SG 503 Leveled Sine Wave Generat r 4 Time Mark Ge...

Page 81: ...s GR to bncmale Connectors GR to bnc female Signal interconnection Signal interconnection 16 Adapter Tektronix Part Number 017 0063 00 17 Low Frequency Generator Frequency 60 Hz to 1 kHz Output amplitude variable from 30 mV to 4 V p p TEKTRONIX FG 502 Function Generat r Low frequency trigger checks 18 Variable Auto transformer General Radio W8WT3VM Variac Autotransformer Capable of supplying 1 5 A...

Page 82: ...H 1 and CH 2 Gain Balance 4 8 14 Check Vertical Low Frequency Compensation 4 8 15 Check CH 1 and CH 2 VOLTSIDIV Compensation 4 8 16 Check CH 1 and CH 2 Transient Response 4 9 17 Check Signal Isolation 4 9 18 Check CH 1 and CH 2 Bandwidth 4 9 19 Chxk Trigger View Gain 4 10 20 Check Trigger View Centering 4 10 21 Check Trigger View Low Frequency Compensation 4 10 22 Check Trigger View High Frequency...

Page 83: ...ECIDIV TlME PULL VAR B DELAY TlME POSITION A TlME POSITION X I 0 MAG POSITION A 1 ms knobs locked Pulled out and in calibrated detent Fully counterclockwise Fully counterclockwise Off button out Midrange 1 Check Trace Alignment and Astigmatism a Position the baseline trace to the center horizontal graticule line b CHECK Trace is parallel with the center horizontal graticule line If necessary readj...

Page 84: ...H 2 OR Y input via a precision 50 G2cable and a 5042 termination Set the generator frequency to 50 kHz and adjust the output for avertical display of 4 8 divisions Press in the CH 2 INVERT push button CHECK Trace shift is 0 4 division or less when c Set CH 2 VOLTSIDIV to 10 m switching between normal button out and invert button in d CHECK Top of display can be positioned down to the center horizo...

Page 85: ...ithin the limits AC GND DC both DC Vertical Deflection given in Table 4 2 b Change the generator output to 10 mV d Repeat part c for each CH 1 VOLTSIDIV switch setting and corresponding standard amplitude signal in c CHECK Display increases to at least 5 divisions Table 4 2 when the CH 2 VOLTSIDIV VAR control is rotated to its extreme clockwise rotation e Select CH 2 VERTICAL MODE and set CH 2 d M...

Page 86: ... CH 1 and CH 2 Gain Balance a Press in CH 2 INVERT push button 15 Check CH 1 and CH 2 VOLTS DIV Compensation b CHECK Displayed vertical amplitude is approxi a Set both A and B SECIDIV to 0 2 ms knobs locked mately zero division b Connect a 10X probe to the CH 2 OR Y input c Return the CH 2 INVERT push button to normal button out and disconnect the test equipment c Connect a I kHz high amplitude sq...

Page 87: ...R Y input connector Re connect the 1O X attenuator if previously re moved and reduce the generator amplitude to minimum g Set VERTICAL MODE to CH 1 and connect the test signal to the CH 1 OR X input connector Set the generator output amplitude for a 5 division vertical display h Vertically center the display using the CH 1 POSI TION control i CHECK Repeat parts d and e for CH 1 j Disconnect the te...

Page 88: ...enter the displayed signal d CHECK Start of sweep is within 1 vertical division of the center horizontal graticule line h Disconnectthe test setup e Disconnect the test signal 19 Check Trigger View Gain a Set A and B SECIDIV 0 2 ms knobs A TRIGGER COUPLING DC A TRIGGER SOURCE EXT A TRIGGER LEVEL Midrange locked b Connect a 0 2 V standard amplitude signal to the A EXT input connector via a 50 2 cab...

Page 89: ... a 50 a Trigger View signals by alternately pressing in the TRlG cable and a 50 atermination VIEW push button and releasing it is 3 ns f2 ns 0 2 to 1 horizontal graticule division or less c While holding in the TRlG VlEW push button adjust the generator output for a signal display of 2 vertical divi sions and use the A TRIGGER LEVEL control to vertically h Disconnectthe test setup center the displ...

Page 90: ...ecision 50 a cable and a 50 2 termination j Adjust CH 2 VOLTSIDIV VAR for minimum display amplitude best CMRR c Press in the TRIG VIEW push button and adjust the generator output for a 4 division vertical display Vertically center the display using the A TRIGGER LEVEL control k Change the generator frequency to 50 MHz d Set the generator output frequency to 80 MHz I CHECK Display amplitude is 0 6 ...

Page 91: ...eep HORlZ MODE A A and B SECIDIV 5 ms knobs locked TIME PULL VAR Pulled out and in calibrated detent B DELAY TlME POSITION Fully counterclockwise X I 0 MAG Off button out POSITION Midrange I Check A and B Internal Triggering a Connect a low frequency 60 Hz sine wave signal to the CH 1 OR X input connector via a 50 L cable a 10X attenuator a 2X attenuator and a 50 L termination b Adjust the generat...

Page 92: ...D is illuminated by adjusting the A TRIGGER LEVEL control for each of the switch combinations listed in Table 4 6 except as noted in Table 4 6 footnotes B TRIGGER SLOPE and and Table 4 6 Switch Combinations for A Trigger Checks CH 2 AC I and AC TRIGGER COUPLING LF REJa I and A TRIGGER SLOPE DC I and HF R E J a i l l not trigger at 60 Hz in A HORlZ MODE b i l l not trigger at 20 MHz and 100 MHz in ...

Page 93: ...nput connector to the B EXT input connector g CHECK Stable display can be obtained by adjusting the B TRIGGER LEVEL control with the B TRIGGER SLOPE switch in either or h Remove the 10X attenuator from the test setup and move the signal from the B EXT input connector to the A EXT input connector i Set CH 1 VOLTSIDIV 0 1 HORlZ MODE A A TRIGGER SOURCE EXTe10 d Repeat Step 1 parts k and I j Repeat St...

Page 94: ...e through h of this step s Set HORlZ MODE A A TRIGGER SOURCE EXTtlO ad Repeat Step 1 parts k and I ae Set the A TRIGGER COUPLING switch to AC and adjust the A TRIGGER LEVEL control for a stable display af CHECK For less than 0 2 division of horizontal waveform jitter HORlZ MODE A A TRIGGER SOURCE EXTt10 ag Set the A TRIGGER SOURCE switch to EXT and reinsert the 10X attenuator into the test setup t...

Page 95: ...rnal Trigger Ranges a Set CH 1 VOLTSIDIV 0 5 TRIGGER SLOPE both TRIGGER SOURCE both EXT A TRIGGER Mode AUTO b Connect a 50 kHz sinewave signal to the CH 1 OR X and A EXT input connectors via a precision 50 52 cable a 50 52termination and a dual input coupler c Set the generator output for a 4 division vertical display d CHECK Display is triggered along the entire positive slope of the waveform as ...

Page 96: ...time markers from the time mark generator via a 50 i 2 cable and a 50 i 2 termination to the CH 1 OR X input connector Trigger A and B if applicable Sweep AC As needed for a stable display VERT MODE VERT MODE AUTO Off in detent c Use the Horizontal POSITION control to align the first time marker with the first vertical graticule line d CHECK The SECIDIV timing accuracy is within 2 0 2 division at ...

Page 97: ...or and adjust the A and B TRIGGER LEVEL controls if necessary for a stable display Normal 50 ns 0 1 p s 0 2 p s 0 5 p s 1P S 2 I rs 5 P S j CHECK Repeat parts d through g for the B Sweep XI0 MAG 5 ns 10 ns 20 ns 50 ns 0 1 p s 0 2 p s 0 5 p s 2 Check A Time Readout Accuracy a Set A SECIDIV 0 2 ps B SECIDIV 0 05 p s HORlZ MODE A INTEN A TRIGGER Mode AUTO B TRIGGER SOURCE A TIME X I 0 MAG Off button ...

Page 98: ...dges of the time markers 4 Check XI0 MAG Registration a Set HORlZ MODE X I 0 MAG A On button in b Position the time marker baseline to the bottom horizontal graticule line using the CH 1 POSITION control a o r SECIDIV switch settings slower than 5 rns set the A TRIGGER Mode to NORM c Use the Horizontal POSITION control to position the displayed time marker to the center vertical graticule line 3 C...

Page 99: ...on generator to the CH 1 OR X input connector calibrated detent via a 50 S1cable 7 Check A and B Sweep Horizontal POSITION Range a Set A and B SECIDIV 1 ms knobs locked Horizontal POSITION Fully counterclockwise b CHECK Sweep ends to the left of the center vertical graticule line c Rotate the Horizontal POSITION control fully clockwise d CHECK Sweep begins to the right of the center vertical grati...

Page 100: ...lON control and horizontally center the display using the a Connect a 200 kHz sine wave signal to the CH 1 OR horizontal PoSITloN controlm X and CH 2 OR Y input connectors via a 50 i 2 cable a 5042 termination and a dual input coupler e CHECK Opening is 0 3 division or less measured horizontally b Adjust the generator output amplitude for 6 divisions of horizontal deflection f Disconnectthe test s...

Page 101: ...f the trace when the INTEN control is set for normal viewing brightness Adjust the TlME PULL VAR control if necessary to observe the modulation Return the TlME PULL VAR control to the calibrated detent c Disconnectthe test setup 2 Check AMPL CAL Operation a Set Trigger A and B if applicable COUPLING LEVEL SLOPE SOURCE Mode TRIG HOLDOFF PUSH Sweep HORlZ MODE A and B SECIDIV TIME PULL VAR B DELAY Tl...

Page 102: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 103: ...operating information is required refer to the appropriate test equipment instruction manual When equipment other than that recommended is used control settings of the test setup may need to be altered If the exact item of equipment given a s an example in Table 4 1 is not available first check the Purpose column to verify use of this item If it is used for a check or adjust ment that is of little...

Page 104: ...ng this procedure ensure that the LlNE VOLTAGE SELECTOR switch is set for the ac power input source voltage being used see Preparation for Use in Section 2 This procedure is written for the instrument to be operated from a 115 V ac power input source Operating from other input source voltages will require setting the LlNE VOLTAGE SELECTOR switch to the appropriate setting for the available ac powe...

Page 105: ...AXIS COMP 5ns TIMING X I HORlZ GAlN X I 0 HORlZ GAlN X Y GAlN MAG REGISTRATION A HlGH SPEED TIMING B HlGH SPEED TIMING DELAY START DELAY STOP A HYSTERESIS A SLOPE OFFSET B HYSTERESIS B SLOPE OFFSET VERT MODE LEVEL DC EXT LEVEL VERTICAL OUTPUT GAlN VERTICAL BALANCE CHI GAlN CH2 GAlN CHI VAR BAL CH2 VAR BAL CHI AlTENUATOR BAL CWATTENUATOR BAL CRT REPLACEMENT 40 V ADJ REV JUN 1981 ...

Page 106: ...eck Bandwidth 5 16 22 Check Trigger View Gain 5 16 23 Check Trigger View Centering 5 16 24 Check Trigger View Low Frequency Compensation 5 17 Vertical cont Page 25 Check Trigger View High Frequency Compensation 5 17 26 Check Trigger View Delay 5 17 27 Check Trigger View Bandwidth 5 17 28 Check Channel Isolation 5 18 29 Check Common Mode Rejection Ratio 5 18 30 Check Bandwidth Limit Operation 5 18 ...

Page 107: ... the beginning of this section before starting this step Vertical Both Channels VERTICAL MODE POSITION VOLTSIDIV VOLTS DIV VAR AC GND DC CH 2 INVERT BW LIMIT X Y CH 1 and CH 2 buttons in Midrange 5 m Calibrated detent GND Normal button out Full bandwidth button out Trigger COUPLING AC LEVEL As required for stable display SLOPE button out SOURCE VERT MODE Mode AUTO TRIG HOLDOFF PUSH VAR Off in dete...

Page 108: ...ead j CHECK Ripple amplitude of the dc supply while varying the autotransformer output voltage between 100 V and 132 V Ripple amplitude should be within the typical value given in Table 5 2 k Repeat part j for each test point in Table 5 2 I Return the autotransformer output voltage to 115 V and disconnect the test setup 2 Check High Voltage Overdrive a Connect the digital voltmeter low lead to cha...

Page 109: ...2 buttons in Midrange 5 m Calibrated detent GND Normal button out Full bandwidth button out AC As required for stable display button out VERT MODE AUTO Off in detent Sweep HORlZ MODE A A and B SECIDIV 1 ms knobs locked TIME PULL VAR Pulled out and in calibrated detent B DELAY TIME POSITION Fully counterclockwise X I 0 MAG Off button out POSITION Midrange 1 CheckIAdjust CRT Grid Bias R140 a Connect...

Page 110: ... ps A TRIGGER LEVEL Fully clockwise b Set test oscilloscope controls as follows VoltsIDiv 0 2 V with 1O X probe A and B SecIDiv 0 1ps AC Gnd DC both Dc Trigger controls As requiredfor a stable display d CHECK Display for 0 1 division of tilt or less when compared to the center vertical graticule line c Connect the 10X probe from the test oscilloscopeto TP127 and connect the probe ground clip to TP...

Page 111: ...IMIT As required for visible trace Best focused display CH 1 Midrange 5 m Calibrated detent DC Normal button out Full bandwidth button out Trigger COUPLING AC LEVEL As required for stable display SLOPE button out SOURCE VERT MODE Mode AUTO TRIG HOLDOFF PUSH VAR Off in detent Sweep HORlZ MODE A A and B SECIDIV 1 ms knobs locked TIME PULL VAR Pulled out and in calibrated detent B DELAY TlME POSITION...

Page 112: ... ALT A TRIGGER LEVEL Fully clockwise b Position CH 1and CH 2 traces about 2 divisions apart c CHECK Sweeps alternate for all A SECIDIV switch g Set HORlZ MODE to A and repeat part f for the A sweeps 4 Check AUTO Vertical Mode Operation a Set VERTICAL MODE AUTO ALT and CHOP buttons in A and B SECIDIV 0 2 ms settings b Set test oscilloscope controls as follows NOTE At sweep speeds of 2 ms per divisi...

Page 113: ... control from fully counterclockwise to fully clockwise e Release the BEAM FlND button f Return the CH 1 VOLTSIDIV VAR control to its calibrated detent fully counterclockwise f CHECK Trace remains centered within the graticule area 8 CheckIAdjust CH 2 Attenuator Balance W74 6 CheckIAdjust CH 1 Attenuator Balance R10 a Set a Set CH 1 VOLTSIDIV 0 1 CH 1 AC GND DC DC CH 2 VOLTSIDIV 0 1 CH 2 AC GND DC...

Page 114: ... 10 CheckIAdjust Vertical Output Gain R44 a Connect the digital voltmeter leads between TP156 c CHECKIADJUST CH 2 Vertical Gain R114 for and TP176 set voltmeter scale to 200 mV and adjust the a display amplitude of 4 divisions 33 3 88 to 4 12 CH 2 Vertical POSITION control for a voltmeter indication divisions of 0 V d CHECK Dc accuracies are within display limits b Adjust Vertical Balance R18 to p...

Page 115: ...een AC and GND c Set VERTICAL MODE to CH 1 d CHECK For 0 1 division or less vertical shift in display 0 5 nA or less input gate current while alternating the CH 1 AC GND DCswitch between AC and GND 15 Check ADD Mode Operation a Set VERTICAL MODE ADD AC GND DC both DC b Connect a 10 mV standard amplitude square wave signal to both CH 1 OR X and CH 2 OR Y input connectors via a 50 a cable and a dual...

Page 116: ...ition the CH 2 trace on the center horizontal graticule line center the CH 1 display and adjust the A TRIGGER LEVEL control for a stable display e CHECK Display overshoot or rounding is within 3O 0 4 85 to 5 15 divisions for each CH 1 VOLTSIDIV switch setting from 5 m to 0 2 and waveform flatness is within 2 0 1 division at all settings Adjust the gener ator output andlor remove the attenuator as ...

Page 117: ...rations are within 3 0 15 division or less See Figure 5 1 for a typical display e ADJUST Vertical Output Amplifier HF Compensa tion R29 R32 and C33 for the best flat top display see Figure 5 1 f Set the A SECIDIV switch to 0 2 s g ADJUST Vertical Output Amplifier HF Compensa tion C36 for the best flat top display see Figure 5 1 h Set the A SECIDIV switch to 0 5 ps i ADJUST CH 2 Preamp HF Compensat...

Page 118: ...he display to the top horizon tal graticule line o CHECK Flat bottom waveform is within t 7 4 65 to 5 35 divisions p Set VERTICAL MODE to CH 1 and move the test sig nal to the CH 1 OR X input connector VERTICAL MODE CH 1 A SECIDIV 0 2 ms TRIGGER SLOPE button out b Connect the leveled sine wave generator reference signal frequency 50 kHz via a precision 5042 cable a 10X attenuator and a 5042 termin...

Page 119: ...quency Compensation a Set A TRIGGER SOURCE EXT A and B SECIDIV 0 2 p s knobs locked b Connect a 100 kHz fast rise positive going square wave signal to the A EXT input connector via a 5042 cable and a 5042 termination c Hold in the TRlG VlEW push button and adjust the generator output for a signal display of 4 vertical divisions Use the A TRIGGER LEVEL control to vertically center the display d CHE...

Page 120: ... d Set the generator output frequency to 80 MHz do not readjust the generator output amplitude c Set the generator amplitude for a 6 division vertical display e CHECK For a display amplitude of 2 8 divisions or more with the TRIG VIEW button held in d Set VERTICAL MODE to ADD f Release the TRlG VlEW push button and move the test signal from the A EXT input connector to the CH 2 OR Y input connecto...

Page 121: ... Pulled out B DELAY TlME POSITION Fully counterclockwise A TIME POSITION Fully counterclockwise X I 0 MAG Off button out POSITION Midrange display Best focused display 1 Adjust A Trigger Slope Offset R82 and A Hysteresis R106 CH 1 Midrange 10 m 0 2 Calibrated detent DC Normal button out Full bandwidth button out Trigger A and B if applicable COUPLING AC LEVEL As required for stable display SLOPE b...

Page 122: ...ODE B e Disconnectthe test equipment from the instrument CH 1 VOLTSIDIV 0 2 b Rotate B Hysteresis adjustment R163 fully counter clockwise then adjust the B TRIGGER LEVEL control for a stable display 4 Check A and B Internal Triggering c Set the CH 1 VOLTSIDIV switch to 0 5 d ADJUST B Hysteresis R163 clockwise just until any setting of the B TRIGGER LEVEL control will not obtain a stable display of...

Page 123: ... TRIGGER LEVEL a i l l not trigger at 60 Hz in A HORlZ MODE control b i l l not trigger at 20 MHz and 100 MHz in A HORlZ MODE g Set HORlZ MODE to B m Set the A TRIGGER COUPLING switch to AC and obtain a stable display using the A TRIGGER LEVEL control h CHECK Stable display can be obtained by adjusting the B TRIGGER LEVEL control for each of the switch combinations listed in Table 5 5 n Set HORlZ ...

Page 124: ...he A TRIGGER COUPLING switch to AC and obtain a stable display using the A TRIGGER LEVEL control f Set HORlZ MODE to B and move the signal from the A EXT input connector to the B EXT input connector b Move the input signal to the A EXT input connector g CHECK Stable display can be obtained by adjusting the B TRIGGER LEVEL control with the B TRIGGER SLOPE switch in either or c Set the leveled sine ...

Page 125: ... Step 4 parts k and I ad Repeat Step 4 parts k and I r Repeat parts e through h of this step s Set ae Set the A TRIGGER COUPLING switch to AC and adjust the A TRIGGER LEVEL control for a stable display af CHECK For less than 0 2 division horizontal wave form jitter HORlZ MODE A A TRIGGER SOURCE EXTG10 ag Set the A TRIGGER SOURCE switch to EXT and reinsert the 10X attenuator into the test setup t R...

Page 126: ...ED should illuminate and remain on h CHECK Display extreme of rotation is not triggered free runs at either f Set the CH 1 AC GND DC switch to DC signal from the A EXT input con i Move the input g CHECK READY LED goes out and a single sweep OCCUrs nector to the B EXT input connector j Set NOTE The INTEN control may require adjustment to observe the single sweep trace A TRIGGER LEVEL Fully counterc...

Page 127: ...A SECIDIV 5 ms CH 1 AC GND DC DC s Press in and hold the TRIG VIEW push button b Connect a 10X probe to the CH 1 OR X input connector and place the probe tip next to the line cord t CHECK Display is triggered along the entire negative slope of the waveform as the A TRIGGER LEVEL control c Set the CH 1 VOLTS DIV switch to obtain a display is rotated amplitude of about 3 to 4 divisions u Set the A T...

Page 128: ...V ON button in As requiredfor visible display Best focused display CH 1 Midrange 0 2 Calibrated detent DC Normal button out Full bandwidth button out AC As requiredfor stable display button out CH 1 A TlME AUTO Off in detent Sweep HORlZ MODE A and B SECIDIV TlME PULL VAR B DELAY TlME POSITION A TlME POSITION X I 0 MAG POSITION A INTEN 1 ms knobs locked Pulled out and in calibrated detent Fully cou...

Page 129: ...perimpose the time markers f CHECK A Time readout is 001 to 001 ms g Rotate the A TlME POSITION control clockwise until the next time marker that appears is aligned with the reference time marker positioned by the B DELAY TlME POSITION control f Set h CHECK A Time readout is 998 to 1 002 ms X I 0 MAG Off button out B SECIDIV 20 ps B TRIGGER SOURCE A TIME g Select 2 ms time markers from the time ma...

Page 130: ... the graticule viewing area down to a A Time readout of q CHECK A Time readout is 7 91 to 8 09 ms 000 ms and CHECK for 1 division or less of pulse jitter on the rising edges of the time markers r Rotate the A TlME POSITION control clockwise past the next time marker that appears and align the suc ceeding time marker with the reference 5 CheckIAdjust X I and XI0 Horizontal Gain R126 and R127 s CHEC...

Page 131: ...magnified time marker f ADJUST Mag Registration R134 to align the center unmagnified time marker with the center vertical graticule line 7 CheckIAdjust B Time R10 a Set c Adjust the A TRIGGER LEVEL control for a stable display and vertically center the display using the CH 1 POSITION control d Use the Horizontal POSITION control to align the first time marker with the first vertical graticule line...

Page 132: ...ect 50 ns time markers from the time mark generator and adjust the A TRIGGER LEVEL control if necessary for a stable display XI0 MAG k CHECK Repeat parts e through h for the B Sweep I Skip to Step 10 if either the accuracy and linearity checks are within tolerance or if Step 9 has been previously completed 9 Adjust A and B Timing Accuracy and Linearity C84 C22 C161 and C187 a Set A SECIDIV 1 P S B...

Page 133: ... left of the second vertical graticule line Use the A TlME POSITION control to position the start of the other intensified zone just to the left of the tenth vertical graticule line A Time readout should be about 1 600 ps d Set HORlZ MODE to B and use the A TlME POSITION control to superimpose the time markers e CHECK A Time readout is within the range of values specified in Table 5 9 for the SECI...

Page 134: ...ntrol fully counterclockwise b CHECK Sweep ends to the left of the center vertical graticule line c Rotate the Horizontal POSITION control fully clockwise d CHECK Sweep begins to the right of the center vertical graticule line e Set HORlZ MODE Horizontal POSITION B Fully counterclockwise g CHECK Repeat part d for the B Sweep f CHECK Repeat parts b through d for the B Sweep g Press in the X I 0 MAG...

Page 135: ... CheckIAdjust X Y Gain R148 a Set f Disconnect the leveled sine wave generator from the test setup and connect a low frequency sine wave generator Set the generator output frequency to 200 kHz and adjust the output amplitude for 6 divisions of horizontal deflection A and B SECIDIV 1 ms knobs locked g Set the CH 2 AC GND DC switch to DC VERTICAL MODE X Y both CH 1 and CH 2 buttons in VOLTSIDIV both...

Page 136: ...gger holdoff time corresponds approxi mately to the times listed in Table 5 10 for each range of A SECIDIV switch settings Trigger holdoff is defined a s the 2 V level of the sweep waveform after recovery but before it starts a negative going ramp Set test oscilloscope SecIDiv control a s required to make the time measurements e Set A SECIDIV to 0 5 ms and rotate VAR TRIG f CHECK That holdoff time...

Page 137: ...H 1 POSITION Midrange VOLTSIDIV 2 VOLTSIDIV VAR Calibrated detent AC GND DC DC CH 2 INVERT Normal button out BW LIMIT Full bandwidth button out Trigger COUPLING LEVEL SLOPE SOURCE Mode TRIG HOLDOFF PUSH VAR AC As required for stable display button out VERT MODE AUTO Off in detent a Connect a 5 V standard amplitude square wave signal to the CH 1 OR X input connector and the EXT Z AXIS input connect...

Page 138: ... lead to chassis ground and connect the HI lead to the AMPL CAL connector center pin 2 Check AMPL CAL Operation a Set e Connect a shorting strap between TP246 and TP250 CH 1 VOLTSIDIV 10 m A and B SECIDIV 1 ms knobs locked f CHECK AMPL CAL output voltage is 200 mV I 198 to 202 mV b Connect the 10X probe supplied with the 2336 to the CH 1 OR X input connector Insert the probe tip into the AMPL CAL ...

Page 139: ...semblies in their original containers or on a metal rail Label any package that contains static sensitivecomponents or assemblies 3 Discharge the static voltage from your body by wearing a grounded antistatic wrist strap while handling these components Servicing static sensitivecomponents or assemblies should be performed only at a static free work station by qualified service personnel 4 Nothing ...

Page 140: ...g agents which might damage the plastics used in this instrument Use a nonresidue type cleaner preferably isopropyl alcohol denatured ethyl alcohol or a solution of I mild detergent with 99 water Before using any other type of cleaner consult your Tektronix Service Center or representative Exterior INSPECTION lnspect the external portions of the instrument for damage wear and missing parts use Tab...

Page 141: ...older connections Burned circuit boards Burned broken or cracked circuit run plating Burned cracked broken or blistered Cold solder or rosin joints Damaged or leaking cases Corroded solder on leads or terminals Loosely inserted in sockets Distorted pins Loose plugs or connectors Burned broken or frayed wiring Dents deformations and damaged hardware Clean solder corrosion with an eraser and flush w...

Page 142: ... switches in the 2336 are circuit board mounted with cam actuated contacts Care must be exercised to preserve the high frequency characteristics of these switches Switch maintenance is seldom necessary but i f it is required use the following cleaning methods and observe the stated precautions C A U T I O N E Z l The A and B SEC DlV and the TRIGGER COUPLING and SOURCE switches are factory lubricat...

Page 143: ...that are mounted on each circuit board are enclosed within heavy black lines Also within the black lines near either the top or the bottom edge are the assembly number and name of the circuit board Component numbers and electrical values of compo nents in this instrument are shown on the schematic diagrams Refer to the first page of the Diagrams section for definitions of the reference designators...

Page 144: ...e color coded in picofarads using a modified EIA code TroubleshootingCharts Dipped tantalum capacitors are color coded in micro farads The color dot indicates both the positive lead and The troubleshooting charts contained in the Diagrams the voltage rating Since these capacitors are easily section are to be used as an aid in locating malfunctioning destroyed by reversed or excessive voltage be ca...

Page 145: ...ettings Incorrect control settings can give a false indication of instrument malfunction If there is any question about the correct function or operation of any control refer to either the Operating Instructions Section 2 in this manual or to the 2336 Operators Manual 2 Check Associated Equipment Before proceeding ensure that any equipment used with the 2336 is operating correctly Verify that inpu...

Page 146: ...pearance of a power supply problem and may also affect the operation of other circuits Table 6 4 Suggested Troubleshooting Equipment Frequency response dc to 100 MHz Deflection factor 20 mV to 100 Vldiv A IOX 10 Ma probe should be used to reduce circuit loading Equipment Check operatingwave forms TEKTRONlX 465B Oscillo scope with included P6105 Probes Minimum Specification 1 Test Oscilloscopewith ...

Page 147: ...g silicon transistor will normally range from 0 6 to 0 8 V and the emitter to base voltage for a conducting germanium transistor ranges from 0 2 to 0 4 V The emitter to collector voltage for a saturated transistor is about 0 2 V Because these values are small the best way to check them is by connecting a sensitive voltmeter across the junction rather than com paring two voltages taken with respect...

Page 148: ...eplace the defective contact set or hybrid circuit in the malfunctioning attenuator a s described in the Removal and Replacement Instructions of this section Improper contact pressure on a contact pad can either cause or contribute to attenuator switch failure Contact pressure can be determined by visually inspecting cam to contact arm height and contact arm shape Sometimes a previously defective ...

Page 149: ...S CLOSE PROPER PRELOAD WlTH CONTACTS CLOSED CAM RAMP K 5 4 IMPROPER FUNCTION PROPER FUNCTION IMPROPER FUNCTION PROPER FUNCTION Figure 6 2 Attenuator contact pressure check LOGIC CONTACTS BENT CAM EFORMED FINGERS TYPICAL MISALIGNMENT PROBLEMS PROPER ALIGNMENT Figure 6 3 Attenuator contact alignment ...

Page 150: ...nce requirements or are manufactured for Tektronix Inc in accordance with our specifications The various manufacturers can be identified by referring to the Cross Index Manufacturer s Code Number to Manufacturer at the beginning of the Replaceable Electrical Parts list Most of the mechanical parts used in this instrument were manufactured by Tektronix Inc Order all special parts directly from your...

Page 151: ...ektronix Part Number 006 1353 01 12 Spray Cleaner No Noise Switch pad cleaning Tektronix Part Number 006 0442 02 13 Pin replacementKit Replacecircuit board connector pins Tektronix Part Number 040 0542 00 14 IC Removal Tool Removing DIP IC packages Augat T I 14 1 alternative solution is to refer the replacement of the defective connector to your local Tektronix Field Office or representative Multi...

Page 152: ...instrument To avoid an electric shock hazard observe the follow ing precautions before attempting any soldering turn the instrument off disconnect it from the ac power source and allow approximately three minutes for the power supply capacitors to discharge Use rosin core wire solder containing 63 tin and 37 lead Contact your local Tektronix Field Office or repre sentative to obtain the names of a...

Page 153: ...ed in the instrument cut the leads so they protrude only a small amount through the reverse side of the circuit board Excess lead length may cause shorting to other conductive parts 4 Insert the leads into the holes of the board so that the replacement component is positioned the same as the original component Most components should be firmly seated against the circuit board C A U T I O N a Do not...

Page 154: ...t handle against the bottom of the cabinet and set the instrument face down on a flat surface 7 Reinstall two Phillips head screws retaining the bumper strips removedin step 2 5 Carefully lift up on the cabinet until the ground lug ac power input jack and fuse holder are free of the perforations in the rear of the cabinet then slide the cabinet up off of the instrument chassis A30 Delta Time Logic...

Page 155: ...4 Remove six Phillips head screws retaining the B Trigger panel and lift out the panel To reinstall the B Trigger panel 7 Use a flat bit screwdriver to lift up the black rim band in the area of the notch in the edge of the front casting Insert the cable assembly J751 towards the Sweep1 Horiz AmpIOpt circuit board between the black rim band and the casting 5 Set the panel into place in the lid and ...

Page 156: ... pin connectors from the neck of the crt these wires come from the SweepIHoriz AmpIOpt circuit board Pull straight out on these con nectors to prevent placing strain on the metal to glassseal Note wire color and location for reinstallation reference I W A R N I N G The crt anode and the outptrt terminal of the High Voltage Multiplier will retain a high voltage charge after the instrument is turned...

Page 157: ... press the socket firmly into place The High Voltage Multiplier can again build up a high voltage charge after it is first discharged to ground To avoid electrical shock ground its output terminal to the main instrument chassis before reconnecting the crt anode lead 24 Reconnect the crt anode lead plug to the jack from the High Voltage Multiplier 25 Reinstall the screw securing the ground lug to t...

Page 158: ... knob noting its position in step 1 and tighten the set screw AlO Vert Preamp1L V Power Supply Circuit Board Removal and reinstallation of the Vert Preamp1L V Power Supply circuit board is accomplished by the follow ing steps 1 Use a 1116 inch Allen wrench to loosen both VOLTS1 DIV VAR control knob set screws Note their positions for reinstallation reference and remove the knobs 2 Pull both VOLTSI...

Page 159: ... retaining clip 13 Remove the Vert Preamp1L V Power Supply circuit board from the instrument by lifting the rear of the board and pulling it toward the rear of the instrument NOTE The attenuators are now accessible for servicing Their contacts are factory lubricated If preventive maintenance cleaning is to be performed lubricate the switch contacts after cleaning with a thin film of No Noise lubri...

Page 160: ...r board in place and solder the IIpins A12 Positive Regulator Circuit Board Removal and replacement of the Positive Regulator circuit board is accomplished by the following steps C A U T I O N K I The following procedure destroys the circuit board being removed Perform this procedure only if a new board is available for replacement 1 Note board orientation and cut four pins at J801 and four pins a...

Page 161: ...he Trigger board 8 Reinstall four Phillips head screws removed in step 3 Timing Switch Assembly The Timing Switch assembly is a unit consisting of the A and B Timing switches the VAR potentiometer the A 9 Tighten nine screws on the Vert Preamp1L V Power i switch circuitboard 1 7 and the T Supply circuit board loosened in step 2 Switch circuit board A16 Replacing a complete Timing Switch assembly w...

Page 162: ...Maintenance 2336 Service DETENT 9 REAR BEARING B TIMING ROTOR POTENTIOMETER LUBRICATE WITH VERSILUBE TEKTRONIX PART NUMBER 006 1353 01 OR EQUIVALENT Figure 6 4 SEC DIV switch exploded view ...

Page 163: ...entheses refer to the like lettered com ponents in Figure 6 4 Before each component is removed note its position and or orientation for reinstallation reference To facilitate reassembly it is recommended that all parts be laid out in the order in which they are removed Steps 10 through 14 are necessary only if the potentiometer A requires replacement 10 Remove the mounting screw from the potenti o...

Page 164: ...stall the rotor assembly 36 Reinstall the center bearing housing J and front bearing S hold them in place with your thumb and fore finger 37 Reinstall the three screws T removed in step 22 C A U T I O N Ez2 The knurled rotary shaft U is spring loaded To prevent possible damage to the electrical contacts it must be held in place while performing steps 38 through 44 see CAUT I 0N preceding step 75 3...

Page 165: ...s J871 and the Channel potentiometer which leads to J712 on the J876 on the SweepIHoriz AmpIOpt circuit board and press Vert Power Supply circuit Note wire them firmly into place color and location for reinstallation reference 52 Reinstall the control shaft housing for the A and B SECIDIV switches at the position noted in step 5 and tighten the retaining nut with a 7116 inch open end wrench 53 Rei...

Page 166: ...Maintenance 2336 Service Figure 6 5 Vertical attenuator exploded view ...

Page 167: ...e the shielded hybrid 13 Remove the outer contact set F it has five contacts and a ground tab 14 Remove the inner contact set G it has four contacts and a ground tab 15 If no other components are to be replaced proceed to step 39 for reinstallation instructions NOTE To ensure proper grounding after reinstallation note the positioning of the ground contact spring against the shaft before removing i...

Page 168: ...e in the ground contact so that the end of the spring is against the same side of the shaft 36 Reinstall the screw H removed in step 16 use a torque screwdriver to tighten it to 3 inch pounds 37 Check contact pressure and alignment refer to Figure 6 2 and Figure 6 3 38 If no other components are to be reinstalled proceedto step 44 39 To reinstall the shielded hybrid E insert the inner contact set ...

Page 169: ...ed cardboard of the correct carton strength and having inside dimensions of no less than six inches more than the instrument dimensions Cushion the instrument by tightly packing three inches of dunnage or urethane foam between carton and instrument on all sides Seal carton with shipping tape or industrial stapler The carton test strength for your instrument is 275 pounds SELECTABLE COMPONENTS If U...

Page 170: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 171: ...en in the operation of the instrument from either a 100 V or a 200 V following paragraph For further information about instru nominal ac power input source at a line frequency from ment options see your Tektronix Catalog or contact your 48 Hz to 440 Hz This option does not affect the basic Tektronix Field Office or representative instrument operating and servicing information presented in this man...

Page 172: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 173: ...34 A23 R1234 Assembly number Circuit number Example b Read Resistor 1234 of Assembly 23 component number Only the circuit number will appear on the diagrams and circuit board illustrations Each diagram and circuit board illustration is clearly marked with the assembly number Assembly numbers are also marked on the mechanical exploded views located in the Mechanical Parts List The component number ...

Page 174: ... C P O BOX 6 0 0 6 0 0 W JOHN S T H I C K S V I L L E NY 1 1 8 0 2 LAWRENCE MA 01841 SUNNYVALE CA 9 4 0 8 6 VIENNA VA 2 2 1 8 0 P O BOX 1 6 8 5 0 0 BROADWAY 811 E ARQUES 9 0 0 FOLLIN LANE S E 1 1 6 2 0 SORRENTO VALLEY RD P 0 BOX 8 1 5 4 2 SAN DIEGO CA 9 2 1 2 1 SOLITRON DEVICES I N C SEMICONDUCTOR GROUP CORNING GLASS WORKS ELECTRONIC COMPONENTS D I V I S I O N NATIONAL SEMICONDUCTOR CORP IEE SCHAD...

Page 175: ...V 1 MEG OHM HYBRID CKT BOARD ASSY A B TRIGGER CKT BOARD ASSY SWEEP HORIZ AMP CKT BOARD ASSY DELTA TIME LOGIC CKT BOARD ASSY B TRIGGER SWITCH A10 AlOCl A10C3 A10C6 A10C7 AlOClO CKT BOARD ASSY VERT PREAMP LV POWER CAP VAR CER D1 l 3PF 100V CAP FXD CER DI 150PF 10 100V CAP FXD CER DI O OOlUF 80 20 1OOV CAP FXD CER DI O O01UF 80 20 1OOV CAP FXD CER DI O O01UF 80 20 1OOV CAP FXD CER DI O O01UF 80 20 1O...

Page 176: ... DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICONY30V 150MA COMPONENT AssY DIODES COMPONENT ASSy 2 DIODES SEMICOND DEVICE SILICONy30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICO...

Page 177: ...009 80009 02735 04713 04713 04713 04713 01121 01121 01121 01121 01121 01121 01121 73138 01121 01121 01121 01121 01121 91637 56 590 651486 TSC 75 TSC 1 25 TSC 1 25 TSC 1 5 TSC 1 5 COMPONENT ASSY SHIELDING BEAD BARE WIRE COMPONENT ASSY SHIELDING BEADIBARE WIRE COMPONENT ASSY SHIELDING BEADIBARE WIRE COMPONENT ASSY SHIELDING BEADIBARE WIRE TRANSISTOR MONOLITHIC DUAL E IELD EFEECT TRANSISTOR SILICON N...

Page 178: ...HMY5 0 25W RES VAR NONWIR TRMR lOO OHMY10 0 5W RES FXD CMPSN lO OHMY5 0 25W RES FXD CMPSN 360 OHMY5 0 25W RES FXDYCMPSN 1 3K OHMY5 0 25W RES FXD CMPSN 16 OHMY5 0 25W RES FXD FILM 619 OHM 1 0 125W RES VAR NONWIR 50 OHM 10 0 50W RES FXD FILM 105 OHM 1 0 125W RES FXD FILM 105 OHM 1 0 125W RES FXD CMPSN 430 OHMY5 0 25W RES FXD CMPSN 560 OHMY5 0 25W RES FXD FILM 105 OHMY1 0 125W RES FXD FILM lO5 OHM 1 ...

Page 179: ...2K OHM 1 0 125W RES FXD CMPSN 47 OHMY5 0 25W RES FXD FILM 255 OHM 1 0 125W RES FXDYFILM 2 43K OHM 1 0 125W RES FXD CMPSN 750 OHMY5 0 25W RES FXD CMPSN 56 OHMY5 0 125W RES FXD FILM 255 OHM 1 0 125W RES FXD FILM 2 43K OHM 1 0 125W RES FXD FILM 634 OHM 1 0 125W RES FXD CMPSN 750 OHMY5 0 25W RES FXD FILM 301 OHM 1 0 125W RES FXD FILM 549 OHM 1 0 125W RES FXD FILM 127 OHM 1 0 125W RES FXDYFILM 2 49K OH...

Page 180: ... RES FXD WW 40 OHMY1 3W RES FXD CMPSN lOK OHM 5 0 25W RES FXD CMPSN lOK OHMY5 0 25W RES FXD WW 1 8 OHM 5 2W RES FXD WW l OHM 5 2W RES FXDYCMPSN 39KOHM 5 0 25W RS2B4ROOF CB1035 CB1035 BWH 1r800J BWH 1ROOOJ CB3935 CB1025 CB2725 CB2725 BWH 1r000J BWH 1R800J 1013 10000K RES THERMAL lK OHM O MW DEG C SWITCH PUSH DPDT l BUTTON 2 POLE SWITCH PUSH SGL BUTTON 2 PLE SWITCH PUSH 5 BUTTON 2 POLE VERT MODE SWI...

Page 181: ... SEMICOND DEVICE ZENER SIy47V 5 1W 04713 1N4756A SEMICOND DEVICE ZENER lW l2V 5 14433 1N4742A SEMICOND DEVICE ZENER SIy6 2V 5 lW 04713 1N4735A SEMICOND DEVICE ZENER SIy6 2V 5 1W 04713 1N4735A SEMICOND DEVICE ZENER 1Wy12V 5 14433 1N4742A BUS CONDUCT0R DUMMY RES 2 375 22 AWG 55210 L 2007 1 BUS CONDUCT0R DUMMY RES 2 375 22 AWG 55210 L 2007 1 BUS CONDUCT0R DUMMY RES 2 375 22 AWG 55210 L 2007 1 BUS CON...

Page 182: ...I 0 1UFY20 50V CAP FXD CER DI 100PF 5 100V CAP FXD CER DI O lUF 20 50V SEMICOND DEVLCE SILICON 30VJ150MA SEMICOND DEVICE SILICON 30VJ150MA SEMICOND DEVICE SILICONJ30V 150MA SEMICOND DEVICE SILLCONJ30V 150MA TRANSLSTOR SILICON PNP SEL RES FXD FILM lOK OHMJ0 25 0 125W RES FXDYCMPSN 5 1K OHMY5 0 25W RES FXDJCMPSN 1 3K OHMY5 0 25W RES FXDJFILM 1 13K OHMY1 0 125W RES FXD FILM lOK OHMJ1 0 125W MICROCIRC...

Page 183: ...MA SEMICOND DEVICE SILICON 30V 150MA TRANSISTOR SILICON NPN TRANSISTOR SILICON NPN TRANSISTOR SILICON NPN TRANSISTOR SILICON NPN RES FXD CMPSN 200 OHMS5 0 25W 01121 CB2015 RES FXDYFILM 35K OHM 0 25 0 125W 91637 MFF1816D35001C RES FXDYFILM 5K OHMYO 25 0 125W 91637 MFF1816D50000C RES FXDYFTLM 16 7K OHM 0 25 0 125W 91637 MFF1816D16701C RES FXDYFTLM 16 7K OHM 0 25 0 125W 91637 MFF1816D16701C RES FXD C...

Page 184: ...V CAP FXD ELCTLT 2 2UFy20 2OV CAP FXD ELCTLT 4 7UFy20 1OV CAP FXD CER DI 200PF 5 100V CAP FXD CER DI O O1UF l0 100V CAP VAR PLSTC 0 4 1 2PFy600V CAP FXD PLSTC 0 005UF 0 1 200V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O O1UF 10 100V CAP FXD CER DI O 1UF 20 100V SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA REV FEB 1982 ...

Page 185: ...LICON 30V 150MA SEMICOND DEVICE SILICON 175Vy100MA SEMICOND DEVICE SILICON 30Vy150MA SEMICOND DEVICE SILICON 400Vy400MAySEL SEMICOND DEVICE SILICON 175Vy100MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON3400V 400MA SEL SEMICOND DEVICE SILICON 200VylA SEMICOND DEVICE SILICON 175V lOOMA SEMICOND DEVICE SILICON 30V9150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA...

Page 186: ...OHMY5 0 25W RES VAR NONWIR TRMRy500 OHMY0 5W RES FXD CMPSN 180 OHMY5 0 25W RES FXD CMPSN 180 OHMY5 0 25W RES VAR NONWIR TRMR 200 OHMYO 5W RES FXD FILM 124 OHMY1 0 125W RES VAR NONWIR 50 OHM 10 0 50W RES FXD FILM 422 OHM 1 0 125W RES FXD FILM 71 5 OHM 1 0 125W RES FXD FILM 71 5 OHMY1 0 125W RES FXD FILM 422 OHMY1 0 125W RES FXD CMPSN 47 OHMY5 0 25W REV DEC 1981 ...

Page 187: ...lOOK OHM 20 0 50W RES VARYNONWIR 5K OHM 20 0 50W RES FXDYCMPSN 62K OHMY5 0 25W RES FXD CMPSN lOOK OHMY5 0 25W RES FXD CMPSN lOO OHMY5 0 25W RES FXD CMPSN lOO OHMY5 0 25W RES VARYNONWIR PNL 5M OHMY20 0 5W COILYRF 75NH COILYRF 75NH XFMR PWR STU HIGH VOLTAGE COILyRF FIXED 95UH MICROCIRCUIT LI VERTICAL OUTPUT AMPL MICROCIRCUIT LI VERTICAL OUTPUT DR MICROCIRCUIT LI OPERATIONAL AMPLIFIER SEMICOND DEV1CE...

Page 188: ...CH CAP SET MATCHED 1OUF lUF O O099UF 900PF 80009 295 0193 00 FURN AS A MATCHED SET WITH Al6Cl9C2 C3 64 TRANSLSTOR SILICON NPN 80009 151 0190 05 RES FXDYCMPSN 3 3K OHMy5 0 25W RES FXDYCMPSN 4 7K OHM95 0 25W RES FXDYCMPSN 7 5K OHMY5 0 25W RES FXD CMPSN l5K OHM 5 0 25W RES FXDYCMPSN 27K OHMY5 0 25W RES FXDYCMPSN 56K OHMY5 0 25W ATTENUATOR3VAR 5MV TO 5V 1 MEG OHM RES NTWK FXD F1 ATTENUATOR RES NTWK FX...

Page 189: ... 20 5OV CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI O lUF 20 50V CAP FXD ELCTLT 3 3UFY1O 15V CAP FXD CER DI O lUF 20 50V CAP FXD ELCTLT 3 3UFY1O 15V COMPONENT ASSY CAPACITOR RESISTOR ALSO SEE A23R13lYA23 145 BOlOlOO B010512X XB010513 BOlOlOO B010512X XB010513 CAP FXD ELCTLT 3 3UFY1O 15V COMPONENT ASSY CAPACITOR RESISTOR ALSO SEE A23R13lYA23 14...

Page 190: ... OHM 10 0 5W RES NTWK FXD F1 TRIGGER PICK OFF RES FXDYCMPSN 3OO OHMY5 0 25W COMPONENT ASSY CAPACITOR RESLSTOR RES FXD CMPSN 5 1 OHMY5 0 25W RES VAR NONWIR TRMR lOK OHMY1 0 5W RES FXDYCMPSN 2 2KOHM 5 0 25W RES FXD CMPSN 62 OHMY5 0 25W RES FXDYCMPSN 2 2K OHMY5 0 25W RES FXDYCMPSN 3K OHMY5 0 25W RES VARYNONWLR 5KOHM 20 0 50W RES FXDYCMPSN 1 3K OHMY5 0 25W RES FXD CMPSN 4 7K OHM 5 0 25W RES FXDYCMPSN ...

Page 191: ...HMY5 0 25W 315 0101 00 RES FXD CMPSN lOO OHM 5 0 25W 290 0246 00 BOlOlOO B010512X CAP FXD ELCTLT 3 3UF 10 15V 119 1485 00 XB010513 COMPONENT ASSY CAPACITOR RESLSTOR ALSO A23C133 A23C147 315 0302 00 RES FXDYCMPSN 3K OHMY5 0 25W 315 0302 00 RES FXDYCMPSN 3K OHM 5 0 25W RES FXDYCMPSN 3K OHM 5 0 25W RES FXDYCMPSN 3K OHMY5 0 25W COMPONENT ASSY CAPACITOR RESISTOR RES FXD CMPSN 3K OHM 5 0 25W RES FXD CMP...

Page 192: ...el No Mfr Component No Part No Eff Dscont Name Description Code Mfr Part Number CKT BOARD ASSY SWEEP HORIZ AMP CAP FXD ELCTLT 2 2UF 20 20V CAP FXD CER DI O lUF 20 50V CAP FXD CER DI 200PF 5 100V CAP FXD CER DI 0 1UF920 50V CAP FXD CER DI lOPF lO lOOV REV DEC 1981 ...

Page 193: ...N 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 3OV 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICONy30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVIC...

Page 194: ...NT ASSY SHIELDING BEAD BAREWIRE COMPONENT ASSY SHIELDING BEAD BARE WIRE SHIELDING BEAD FERRITE RELAY REED l FORM A 5V 0 25A lOOV COMPONENT ASSY SHIELDING BEAD BARE WIRE COMPONENT ASSY SHIELDING BEAD BARE WIRE SEMICOND DVC SE MATCHED PAIR FET TRANSISTOR SILICON PNP SEL TRANSISTOR SILICON NPN TRANSISTOR SILICON PNP SEL SEMICOND DVC SE MATCHED PAIR FET TRANSISTOR SILICON NPN TRANSISTOR SILICON PNP SE...

Page 195: ... FXD CMPSN lK OHMY5 0 25W RES FXDYCMPSN 3K OHMY5 0 25W RES FXDYCMPSN 4 7K OHMY5 0 25W RES FXDYCMPSN 15K OHMY5 0 25W RES FXDYCMPSN 820K OHMY5 0 25W RES FXDYCMPSN 68K OHMY5 0 25W RES VAR NONWIR 1OK OHM 10 0 50W RES FXDYCMPSN 20K OHMY5 0 25W B010513 RES FXD CMPSN 240 OHMY5 0 25W RES FXDYCMPSN 3K OHMY5 0 25W RES FXD CMPSN lK OHMY5 0 25W RES FXDYCMPSN 4 7K OHM 5 0 25W RES FXD CMPSN lK OHMY5 0 25W RES F...

Page 196: ...No Component No Part No Eff Dscont Narm Description Mfr Code Mfr Part Number RES FXDYCMPSN 43K OHM 5 0 25W RES FXD CMPSN 47 OHMY5 0 25W RES FXD CMPSN 47 OHM95 0 25W RES FXD CMPSN lOK OHM95 0 25W RES FXD CMPSN lOK OHMY5 0 25W RES FXD FILM lK OHMY0 1 0 125W EV DEC 1981 ...

Page 197: ... OHM 5 0 25W RES FXD CMPSN lOK OHMY5 0 25W RES FXD CMPSN lOK OHMY5 0 25W RES FXDYFILM 22 6K OHM 1 0 125W RES FXDYFILM 22 6K OHM 1 0 125W RES FXD CMPSN lOO OHMY5 0 25W RES FXDYCMPSN 22K OHMY5 0 25W RES FXDYCMPSN 39K OHMY5 0 25W RES FXD CMPSN lOOK OHMY5 0 25W RES FXD CMPSN 680 OHMY5 0 25W RES FXDYCMPSN 16K OHMY5 0 25W RES FXDYCMPSN 22K OHMY5 0 25W REV DEG 1981 ...

Page 198: ...OlOlOO B010274 MICROCIRCUIT DI TPL 2 CHAN MUX SCR B010275 MICROCIRCUIT DI TRIPLE 3 CHANMUX SEL MICROCIRCUIT DI HEX INV BUFF SELECTED MICROCIRCUIT LI 5 TRANSISTOR ARRAY SEMICOND DEVICE ZENER 0 4WYlOV 5 SEMICOND DEVICE ZENER 0 4Wy8 2V 5 BUS CONDUCT0R DUMMY RES 2 375 22 AWG BUS CONDUCT0R DUMMY RES 2 375 22 AWG BUS CONDUCT0R DUMMY RES 2 375 22 AWG BUS CONDUCT0R DUMMY RES 2 375 22 AWG BUS CONDUCT0R DUM...

Page 199: ...VICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SILICON 30V 150MA SEMICOND DEVICE SW SI 40V 200MA 03508 DE140 01295 1N4152R 50434 HLMP 1502 80009 151 1042 02 SEMICOND DEVICE SW SI 40V 200MA SEMICOND DEVICE SILICON 30V 150MA LT EMITTING DIO GREENY565NM 20MA BOlOlOO B010536 ...

Page 200: ...LI A D CONVERTER 156 0786 02 CD4G71BFX LM339JDS MICROCIRCULT DI QUAD EXCLUSIVE OR GATE MICROCIRCUIT DI QUAD 2 INP ORGATE MICROCIRCUIT LI QUAD COMPARATOR SEL QUAD 2 INP NAND ST BURN IN 80009 5 DIGIT 73138 32 X 8 PROM PRGM 80009 MICROCIRCUIT LI QUAD COMPARATOR SEL 04713 MICROCIRCUIT DI QUAD EXCLUSIVE OR GATE 80009 MICROCIRCUIT DI QUAD EXCLUSIVE OR GATE 80009 MICROCIRCUIT DI HEX BUFFER 04713 SEMICOND...

Page 201: ...SILICON 30V 150MA DELAY LINEyELEC 90NS 75 OHM LT EMITTING DIO GREENy560NM 35MAMAX LT EMITTING DIO REDY655NM 50MA MAX LT EMITTING DIO REDY655NM 50MA MAX FUSE CARTRIDGE 3AG 1A 250VyFAST BLOW FUSE CARTRIDGE 5 X 20MM 0 5A 250V 30 MIN OPTION Al A2 A3 ONLY FUSE CARTRIDGE 3AG 0 5Ay250VyFAST BLOW OPTION A4 ONLY 71400 AGC 1 75915 212 500 71400 AGC 112 COMPONENT ASSY RF COLL W CONNECTOR COMPONENT ASSY RF CO...

Page 202: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 203: ...ration The Replaceable Electrical Parts list isarranged by assemblies in numerical sequence the components are listed by component number see following illustration for constructing a component number The schematic diagram and circuit board component location illustration have grids A lookup table with the grid coordinates is provided for ease of locating the component Onlythe components illustrat...

Page 204: ...NDEX SIGNIFICANT SILVER I I or 0 01 I lo I I I I 0 1 2 3 4 5 6 7 8 9 NONE I I I f20 I I lo I I pF I I INTEGRATED CIRCUITS I LEAD CONFIGURATIONS AND CASE STYLES ARE TYPICAL BUT MAY VARY DUE TO VENDOR CHANGES OR INSTRUMENT MODIFICATIONS 4118 70A RESISTORS 1 10 lo2 or 100 lo3 or I K lo4 or 10 K 1 0 5 0 r 1 0 0 K lo6 o r 1 M A 10 I or 0 1 Figure 9 1 Color codes for resistors and capacitors REV FEB I 9...

Page 205: ...e component is located I A6 CRT BOARD COMPDNENTS LOCATED ON SCHEMATI I I PULLOUT PAGE TABS FOR SCHEMATIC COMPONENTS LOCATE0 ON SCHEMATIC DIAGRAM ASSEMBLY NUMBER ILL STRATIONFOR AND CIRCUIT INSTRUMENTCIRCUIT BOARD NAME BOARD LOCATION BOARD ILLUSTRATION I PARTIAL A 6 GRT CIRCUIT BOARD and circuit board illustrations CRT CIRCUIT 5 Locatethe Component on the Circuit Board 4 Determine the Circuit Board...

Page 206: ...GGER GENERATOR CR132 1n C H 2 t VERTICAL jcRl38 PREAMP CR13g CR143 QlIQ Q132 CH2 0133 0134 0246 I U237 CALIBRATOR AND FAN 8 REGULATOR 0 l PO 010 PI81 Q20 Q252 I 4253 I 1 DISPLAY TRIGGER DISABLE 1 AC POVER SOURCE INPUT H POYER INPUT AND TRANSFORMER SB01 SO02 5803 TB00 I I TRIC VIEV ENABLE TRIC VIEW REGULATOR 10V QQI Ql0 Q21 I Q22 5V 0264 I 0255 5 UNREG CH 2 SELECT ALT CHOP OSC CHOP AND AUTO FROM SE...

Page 207: ...VER U38 0 2 AND LOGIC w CH 1 SELECT 0 3 U25A D 0 6 U39A B C D VERT MODE SELECT 0 7 U40A B D I f f 08 U42A B PCA l LCD BLANKING SIGNAL B SOURCE EXT SELECT DIODE m SWITCHING CH 2 SELECT S2 X AND BUFFER a 7 XY ENABLE F R O M CH 1 AND CH 2 SCALE FACTOR VERTICAL PIOOE SWITCHES DIODE DECODING I FRfM VAR UNCAL MATRIX Q327 A SEC DIV SWITCH POSITION SWITCH UNCAL A HORIZ MOM FROM HORIZ 1 1 1 1 H O E SWITCH ...

Page 208: ... OVA HOR ZBU4VIFIND IMENSITY t SWEEP RIGHT SWEEP LEFT 2 1 4 1 CIRCUIT BOARD INTERCONNLCTIQNS ...

Page 209: ...ON CIRCUIT NUMBER J915 J920 J935 J954 L 9 l 3 L915 P708 P800 P829 P830 P831 R900 R901 R902 R903 R904 R905 R906 R907 R909 R911 SCHEM NUMBER 1 4 5 8 3 3 2 2 5 5 5 1 1 2 2 2 2 2 2 3 5 SCHEM LOCATION 7A 7E 2A 8F 3J 4 l 8E 4E 88 48 48 2G 7G 3G 3G 3G 7G 7G 7G 6A 2A CIRCUIT NUMBER R9l3 R9l8A R9l8B R930 R931 R935A R935B R940 R942 R945 S900 S901 S902 S903 S906 S930 S934 T900 SCHEM NUMBER SCHEM LOCATION ...

Page 210: ...plicable make control setting changes to the test oscilloscope as indicated on each specific waveform If applicable make control setting changes to the 2336 as indicated near the top of the waveform illustration page Apply the probe tip to the component lead or test point indicated on both the schematic diagram and the circuit board illustration associated with that schematic The waveforms illustr...

Page 211: ...2336 Service w LOWER I RETAINER PLATE Figure 9 6 A19 Attenuator exploded view ...

Page 212: ...A19 ATTENUATORS ARE SHOWN IN SCHEMATIC DIAGRAM 1 0 TEST WAVEFORMS FOR DIAGRAM 1 0 A19 CH 1 ATTENUATOR A19 CH 2 ATTENUATOR ...

Page 213: ... R75 R76 R77 R78 TPl W1 W2 SCHEM LOCATION 4H 5H 31 21 6G 6H 6H 7H 7H 8H 91 81 91 9H 71 81 9H 2G 1I 1I BOARD OCATION 4 0 5C 4 0 4C 6 0 6C 6C 5C 5C 5D 5 0 5 0 4 0 6C 5C 50 50 5D 6C 6B ASSEMBLY CIRCUIT NUMBER C1 C1 C2 C2 C3 C3 C4 C4 C5 C5 C6 C6 C7 C7 C15 C15 P806 P806 P807 SCHEM LOCATION BOARD LOCATION I CHASSIS MOUNTED PARTS CIRCUIT NUMBER P807 R1 R1 R2 R2 R3 R3 R4 R4 R5 R5 R6 R6 R7 R7 R8 R8 R9 R9 S...

Page 214: ... L COMPONENTS EXCEPT 200111V X I 0 c k S R Z O R 3 0 5 0 0 2 v X loo 5 v c7 51A 5 m v lomv 2 0 m v somv 100 m v m m v 500mV Iv 2 v 5 v Static Sensitive Devices 8 See Maintenance Section COMPONENT NUMBER EXAMPLE I ComponentNumber I R7J 3 A19 ASSEMBLY YNCLUDESVAR CONTROL R906 SEE DIAGRAM LOW z ATTENUATOR S I B I I Chassismuntedcomponentshaveno AssemblyNumbel prellx see end 01 Replaceable Electrical ...

Page 215: ...on COMPONENT NUMBER EXAMPLE Component Number A23A2R1234 Assembly T T T k Number Subassembly Circuit Number if used I Chassis mountedcomponents have no Assembly Number prefix see end of Replaceable Electrical Parts List Figure 9 7 A1 I Negative Regulator A12 Positive Regulator and A1O Vertical Preamp L V Power Supply boards REV NOV 1983 ...

Page 216: ...mbly Circurt Number if used 1 Chassis mounted components have no Assembly Number prefix see end of Replaceable Electrical Parts List CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER ALL COMPONENTS MOUNTED ON All NEGATIVE REGULATOR AND A 12 POSITIVE REGULATOR CIRCUIT BOARDS ARE SHOWN IN SCHEMATIC DIAGRAM CIRCUIT NUMBER SCHEM NUMBER CIRC...

Page 217: ...2336 Service TEST WAVEFORMS FOR DIAGRAM 2 0 I OX Input coupling d L ...

Page 218: ...2336 Service TEST WAVEFORMS FOR DIAGRAM 2 CONT 0 I I 1 1 1OOmV 5 0 0 s I I 100 ...

Page 219: ... W146 SCHEM LOCATION 61 4 M 1 M 2M 2M 1N 2N 1N 5M 5M 3N 5N 4N 5M 8 M 9 M 9M 7M 5N 8N 8N 8N 9N 9N 51 41 4F 3E 6E 91 2C 3K 8 M 7K 2N 8N 4D 5 0 2D 21 8C 51 1N 8A 8A BOARD LOCATION 3G 5H 6H 5H 5H 5H 51 61 5H 5H 51 61 51 5H 4H 4H 4H 41 41 41 41 41 41 31 4H 4H 7 0 3F 6F 6B 3F 4G 4H 4G 61 41 4F 5F 5F 4G 6F 5G 6H 61 6H CIRCUIT NUMBER SCHEM 0CATION BOARD 0CATION CIRCUIT NUMBER SCHEM LOCATION 8B 88 9B 9B BE...

Page 220: ...T NUMBER EXAMPLE VERT MODE FROM Component Number A23 AZ R1234 I I ssembly 1 L circuit Number IfiE zed Number uNUMERAL AND LETTERATSIGNALLINESTOOR FROM OTHER DIAGRAMS INDICATES THEGRID COORDINATE ON ANOTHER SCHEMATIC FOR EXAMPLE 4EI Chassis mounted componentshave no Assembly Number I prelix see end of Replaceable Electrical Parts L sl I PARTIAL AIO VERT PREAMP L v POWER SUPPLY BOARD 4 1 18 1 2 REV ...

Page 221: ...EM NUMBER 9 9 3 3 9 3 3 9 9 3 9 3 9 3 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 3 3 3 3 3 3 3 3 3 CIRCUIT NUMBER R26 R29 R30 R31 R32 R37 R38 R39 R43 R44 R50 R51 R52 R53 R57 R58 R59 R60 R64 R65 R66 R67 R71 R72 R73 R74 R75 R78 R79 R80 R85 R86 R87 R90 R91 R92 R93 R94 R99 SCHEM NUMBER 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 3 9 9 9 3 9 9 9 9 9 CIRCUIT NUMBER RlOO R101 R102 RlO6 RlO7 RlO8 R10...

Page 222: ...TEST WAVEFORMS FOR DIAGRAM 3 0 For waveforms 25 through 28 center the 2335 trace about the center horizontal graticule line OX I 0 ov Input Coupling AC 1 Input Coupling AC ...

Page 223: ...UMBER S211B SCHEM LOCATION 88 8C 68 2C 2 0 2G 4 0 3E 3E 4E 5D 5C 2C 3E 3E 4E 3E 3F 4F 4F 4G 3F 2H 2H 3H 3H 5G 5F SCHEM LOCATION 1A BOARD LOCATION 1H 4G 2K 21 21 3H 4 J 21 21 2J 41 41 2J 41 41 4J 4J 21 31 3J 31 3J 21 31 31 41 3H 3H CIRCUIT NUMBER R59 R60 R64 R65 R66 R67 R71 R72 R73 R74 R75 R78 R79 R80 R90 T9 T24 TP25 U43 U54 U58 VR51 W1 SCHEM LOCATlOh 5F 6E 6F 7F 5E 6E 5E 6E 6E 7E 6E 7E 7 0 7 0 7C ...

Page 224: ...s See Maintenance Section COMPONENT NUMBER EXAMPLE 3 R D STAGE CURRENT SQURCE Com onentNumber Assembly J I L Number Subassembly Circuit Number if used Number L Cha pref x see end of Replaceable Electr calParts L st NUMERALAND LETTERATSIGNALLINESTOOR FROM OTHER DIAGRAMSINDICATESTHE GRID COORDINATE ON ANOTHER SCHEMATIC FOR EXAMPLE 4E ssis mountedcomponents have no Assemblv Number INTENSITY U O R I Z...

Page 225: ...2336 Service TEST WAVEFORMS FOR DIAGRAM 4 0 For waveforms 29 30 32 33 and 34 set the 2335 VERTICAL MODE to CHOP For waveforms 31 35 and 36 set the 2335 VERTICAL MODE to ALT and the SEC DIV to 5ms ...

Page 226: ...ARD CIRCUIT SCHEM NUMBER LOCATION LOCATION NUMBER LOCATION LOCATION NUMBER LOCATION J840 1G 31 P808 1H 1I Parrial A23 also shown on diagrams 5 6 and 8 ASSEMBLY A24 Partial A24 also shown on diagrams 6 7 8 and 11 CIRCUIT NUMBER Pa40 CHASSIS MOUNTED PARTS BOARD LOCATION 48 51 3L 3L 3L 3L 3K 3K 3J 41 31 SCHEM LOCATION 1G BOARD LOCATION SCHEM BOARD LOCATION ILOCATION BOARD LOCATION 1G I I 1 I I I I I ...

Page 227: ...ensitive Devices See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number L A21 R12341 1 Assembly J I L Number Subassembly Number if used I NUMERALAND LETTERATSIGNALLINESTOOR FROM OTHER DIAGRAMS INDICATES THE GRID L COORDINATE ON ANOTHER SCHEMATIC FOR Chassis mountedcomponents have no Assembly Number EXAMPLE 4E prefix see end of Replaceable Electr calParts List 4 8 4 R E V NOV 1903 VERTIC...

Page 228: ...MBER CIRCUIT NUMBER SCHEM NUMBER CIRCUIT NUMBER SCHEM NUMBER Static Sensitive Devices See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number A23 A2 R1234 Assembly T T T c h e m a f i c Number Subassembly c nu t Number I used 1 Chassis mountedcomponentshave no Assembly Number prefix see end of Replaceable Electrical Parts L st REV DEC 1981 ...

Page 229: ...oscope External Trigger input and set the test scope Trigger Source switch to External Apply the tip of the 1X probe to TP56 and set the 2336 SEC DIV to 2ms For waveforms 39 42 and 43 the 0 V level is determined by the 2336 A TRIGGER LEVEL control I 10 0 input coupling c Trig Coupling HF Reject ...

Page 230: ...TP61 TP62 TP153 U81 U122 SCHEM LOCATlOh 61 6J 8C 8C 8D 6K 6K 6C 6 0 7K 7K 71 71 71 7K 7C 7C 7C 7C 6C 8K 8L 81 81 81 9J 8K 9K 1C 1G 1C 1H 4C 4D 2D 4D 2D 8K 5K 9K BOARD LOCATION 3G 1G 3G 2F 2F 31 1G 3F 2F 2F 2G 2G 2G 1G 1G 2G 3F 3F 3F 1F 1F 1F 2G 3G 3G 3G 3G 2F 31 3H 1A 1A 2A 2A 3F 1F 2B 2F 2K 3H 2E 2G CIRCUIT NUMBER C2 C3 C4 C8 C9 C15 C21 C27 C35 C36 C48 C56 C63 C67 C70 C74 C77 C80 C81 C82 C91 C106...

Page 231: ...MBER B RESET A 4 1 Pa40 8 R125 R 1 2 6 RANGES OF PAW88 OUTLINED R 1 5 4 0 1 3 K 3K OR DEPBGTLD IN GREY 1 3K F R O M 2 LEVEL L E V E L R155 2 Z K R 1 6 0 1 0 0 g L E V E L B 5vA P840 2 I N 0 2 FREE RUN 5 A TIME RUNS AFTER D E L A Y S L O P E FROM 8 S L O P E P840 5 Ql61 v K 2 2 NUMERALAND LETTERATslGNALLlNEsTo OR FROM OTHER DIAGRAMSINDICATESTHEGRID m COORDINATE ON ANOTHER SCHEMATIC FOR R1 22 EXAMPL...

Page 232: ...2336 Service Figure 9 10 A24 Sweep Horizontal Amplifier Option board ...

Page 233: ... 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 CIRCUIT NUMBER R174 R175 R176 Rl8O R181 Rl82 Rl83 Rl87 Rl9O R193 R194 R195 R196 R197 Rl98 R201 R203 R204 R205 R206 R208 R209 R210 R212 R213 R214 R215 R216 R219 R220 R221 R222 R223 R224 R226 R238 R239 R240 R243 R244 R245 R246 R250 R251 R252 R253 R264 R265 R266 R267 R271 R272 R273 R27...

Page 234: ...2336 Service TEST WAVEFORMS FOR DIAGRAM 6 0 For waveforms 46 through 53 set 2336 SEC DIV to 1 ms For waveforms52 and 53 set 2336 HORlZ MODE to B ...

Page 235: ...o shown on diagrams 1 2 3 4 5 8 and 10 ASSEMBLY A23 PartialA23 also shown on diagrams 4 5 and 8 CIRCUIT NUMBER C170 C171 TABLE CONT SCHEM LOCATION 6C 6C BOARD LOCATION 1H 1H CIRCUIT NUMBER J840 J840 SCHEM LOCATION 1C 2C BOARD LOCATION 31 31 CIRCUIT NUMBER P742 P808 P808 SCHEM LOCATION 48 PC 5C BOARD LOCATION 4E 1I 1I CIRCUIT NUMBER SCHEM LOCATION BOARD LOCATION ...

Page 236: ... R41 R42 R43 R47 R49 R53 R54 R55 R56 R61 R62 R63 R67 R68 R73 R74 R75 R76 R77 R81 R82 A83 R85 R88 R89 R90 RlOO R104 R105 R106 A107 R108 R109 R193 R194 R195 R196 R197 R198 R201 R203 R204 R205 R206 R208 R209 R210 R212 R213 R214 SCHEM LOCATION 5M 6L 5K 5K 5K 6L 6K 4K 4L 5N 4N 6L 4N 4N 3N 3N 5N 5N 5N 5N 5N 2N 3J 3J 3K 4K 3K 3K 4L 2L 3L 1E 2C 2D 3 0 4C 4D 3D 3C 3E 2F 8F 7E 7F 8F 8F 7F 8H 51 51 9H 8H 51 ...

Page 237: ...ND OERlWL NUMBER RANGES OF PARTS OUTLINED OR DLBIGTED litl GREY 1 3 FROM z ALT SYNC CR2C8 I NUMERAL AND LETTERATSIGNALLINESTOOR FROM OTHER DIAGRAMS INDICATESTHE GRID I t t ON ANOTHER SCHEMATIC FOR Static Sensitive Devices see Maintenancesection COMPONENT NUMBER EXAMPLE Assembly Circurt PAFCIAL AID VERT PREAMP L V POWER B A R D IPmT AL A23 TR GGER BOARD I Chass smounted componentshave noAssembly Nu...

Page 238: ...XTENSION SHAFT DETENT 9B TIMING POTENTIOMETER MOUNTING ROTOR ROTARY SHAFT SCREWS 3 LUBRICATE WITH VERSILUBE TEKTRONIX PART NUMBER 006 1353 01 OR EQUIVALENT REAR CONTACT HOLDER Figure 9 12 Timing Switch exploded view ...

Page 239: ...A Timing boards Chassls mountedcomponents have no Assembly Number pref x see end of Replaceable Electrical Parts Llst I Component Number A23 A2 R1234 Assembly J T T m e m a t i c Number Subassembly Circuit Number if used Number ALL COMPONENTS MOUNTED ON A16 B TIMING AND A17 A TIMING CIRCUIT BOARDS ARE SHOWN IN SCHEMATIC DIAGRAM 1 ...

Page 240: ...IT NUMBER BOARD 0CATION CIRCUIT NUMBER P876 0 10 R IA R1B R lC R1D R l E R lF R lG SCHEM LOCATION 8A 1G 3C 3C 4C 4C 4C 4C 5C BOARD LOCATION CIRCUIT NUMBER SCHEM LOCATION 6D 6D 7D 8E 8E 8E 1F 3 0 BOARD LOCATION 4D 4D 4 0 5 0 50 5D 48 5E SCHEM LOCATION 56 6 6 78 8 6 1F 3D 1F 1G 3A 3G ASSEMBLY A24 CIRCUIT NUMBER J871 J871 J871 CIRCUIT NUMBER SCHEM LOCATION BOARD LOCATION 5E 5E Partial A24 also shown ...

Page 241: ...NUMBER EXAMPLE Component Number A23 A2 R1234 Assembly TTThemtic Number i Lr NOTE f CAPS MATCHED ARE 53 I I Chassismunted componentshavenoAssembly Number prefix see end of Replaceable Electrical Parts List COORDINATE ON ANOTHER SCHEMATIC FOR RIA EXAMPLE 4E P A R T I A L A24 SWEEP HORIZ AMP OW BOARD 1 2336 41e n 416 B T I M I N G BOARD I ...

Page 242: ...2336 Service TEST WAvwoRMs FOR D AGRAM For waveforms 57 and 58 set 2336 SEC DIV to 1 ms ...

Page 243: ...8 J808 BOARD BOARD LOCATION 7 8 4 8 SCHEM LOCATION 1B 58 ASSEMBLY A23 Partial A23 also shown on diagrams 4 5 and 6 BOARD LOCATION 91 91 SCHEM LOCATION 9N 1C BOARD LOCATION 31 1I CIRCUIT NUMBER P715 P716 BOARD 5C BOARD LOCATION 1E SCHEM LOCATION 3A 3A BOARD LOCATION 6E 6D CIRCUIT NUMBER R184 R185 R186 SCHEM LOCATION 38 38 38 ...

Page 244: ...H 5H 51 5H 41 7F 5H 6H 6H CIRCUIT NUMBER R139 R140 R141 R142 R146 R147 R148 R149 R153 R154 R155 R156 R160 R161 R163 R167 R168 R169 R170 R173 R174 R175 R176 R180 R l 8 l R182 R183 R187 R190 R238 R239 R240 R243 R244 R245 R246 R250 R251 R252 R253 R264 SCHEM LOCATION 4D 4D 4D 5D 4E 5D 5E 5E 6F 3G 4G 4G 3H 21 3K 3J 4K 3K 3L 5G 6H 5H 6J 5J 5K 5K 5K 61 6K 9A 96 86 98 9C 9A ED 8E 8E 8E 8E 81 BOARD LOCATIO...

Page 245: ... SWEEP LEFT R I CRT LEFT HORIZ DEFLECTION PLATE 3K 1 PARTIAL A24 SWEEPIHORIZ A M P O WARC 8924 I FAN I Static Sensitive Devices 8 see intenme section COMPONENT NUMBER EXAMPLE Component Number Chassismuntedcomponentshave no AssemblyNumber preflx see end of Replaceable Electrical Parts L st NUMERAL AND LETTER ATSIGNALLINESTOOR FROM OTHER DIAGRAMS INDICATESTHE GRID COORDINATE ON ANOTHER SCHEMATIC FOR...

Page 246: ...2336 Service TEST WAVEFORMS FOR DIAGRAM ...

Page 247: ...3F 4C 5E 4C 4C 3A 48 3 0 28 2C 1B 38 1B 48 4C 3D 48 2C 20 1D 3C 20 2C 4G 2G 4F 4F 3E 3E 4 0 5 0 3C 4D 4A 3A 3A 38 2A 38 2A 1B 1C 1C 56 Partial A1 5 also shown on diagram 3 CIRCUIT NUMBER CR191 CR197 F89 L167 L191 P756 P756 P758 P758 P758 P761 P761 P761 P763 P765 P768 P768 093 Q lO O 0107 0114 0115 Q l l 6 0148 0 155 0156 0 161 0163 0 178 0 184 R85 R86 R87 R91 R92 R93 R94 R99 RlOO R101 R102 R106 R1...

Page 248: ...REG 220K P75E FROM A I P756 FROM 2 P 7 1 0 1 7 6 Static Sensitive Devices A See MamtenanceSection u COMPONENT NUMBER EXAMPLE B C I I I s A NUMERALANDLETTERATSIGNALLINESTOOR FROM OTHER DIAGRAMS lNDlCATESTHEGRlD COORDINATE ON ANOTHER SCHEMATIC FOR EXAMPLE 4El I IOVF PARTIAL A 1 5 V E R T OUT H V POWER SUPPLY BOARD 2336 4 8 1 2 REV NOV 1963 HIGH VOLTAGE CRT ...

Page 249: ...265 W244 W246 W247 W248 W251 W252 W253 W255 W263 W264 W265 SCHEM LOCATION 8L 8C 1F 1E 2F 1G 21 5J 6J 6K 8K 1I 1I 2J 21 4D 5K 6K 6K 6L 7K 8K BOARD LOCATION PartialA10 also shown on diagrams 1 2 3 4 5 6 and8 ASSEMBLY A11 CIRCUIT NUMBER C1 C2 C8 C9 C15 C21 SCHEM LOCATION 7F 8F 8G 7H 9G 8H BOARD LOCATION 28 28 1C 1C 18 18 18 1C 18 1A CIRCUIT NUMBER P803 P803 P803 P803 P804 P804 P804 0 9 0 1 0 0 21 0 2...

Page 250: ...s 8 See Maintenance Section COMPONENT NUMBER EXAMPLE Component Number I Chassis mounted components have no Assembly Number preflx see end of Replaceable Electrical Parts Llst NUMERAL AND LETTERATSIGNALLINESTO OR FROM OTHER DIAGRAMS INDICATESTHE GRID COORDINATE ON ANOTHER SCHEMATIC FOR EXAMPLE 4E LOW VOLTAGE POWER SUPPLY ...

Page 251: ... A3O Delta Time Logic and A31 B Timing Slope Switch boards I Component Number I A23 A2 R1234 Assembly TIF c h e m a t i c Number Subassembly Circuit Number if used ALL COMPONENTS MOUNTED ON A30 DELTA TlME AND A31 B TRIGGER SLOPE SWITCH CIRCUIT BOARDS ARE SHOWN IN SCHEMATIC DIAGRAM 11 0 Chassis mountedcomponents have no Assembly Number prefix see end of ReplaceableElectrical Parts List REV NOV 1983...

Page 252: ... Number A23 A2 R1234 Assembly T I k h e m a t c Number Subassembly Circuit Number if used 1 I A3O DELTA TIME A31 B TRIGGER SLOPE SWITCH LOGIC TEST WAVEFORMS FOR DIAGRAM 0 Chassis mountedcomponents have no Assembly Numbt prefix see end of Replaceable Electrical Parts List REV NOV 1983 ...

Page 253: ...1 CR85 CR86 CR89 DS40 DS41 J890 J890 J890 J892 J892 J894 J894 BOARD LOCATION 7G 6H 5F 6G 6G 7G 7H 4E 4E 51 51 51 61 61 4E 5J 4G 4G 4H 4H 4H 4G 61 61 61 6C 6E 6J 6J 6J 5K 5K 7K 7K I CIRCUIT NUMBER J895 P780 P780 0 8 8 0 8 9 Q92 R1 R2 R4 R5 R7 R8A R8B R9 R11 R15 R16 R18 R21 R25 R27 R28 R29 R30 R31 R34 R35 R36 R37 R38 R39 R40 R41 R42 R43 SCHEM LOCATION 9B 1B 7H 9E 9E 9E 1D 1D 2C 2C 2C 2C 2C 2C 3 0 4D...

Page 254: ...E X T INPUl 2336 RIR INDICATES COMMON POINT 9 PLACES BLANK 4dl I ...

Page 255: ...able that the problem is in that circuit This can sometimes however lead to erroneous conclusions A supply may pass through one circuit to another circuit For instance the 5Ve supply goes through both the CH 1 and CH 2 VERT MODE switches for XY MODE across the A13 Trigger board from P808 11 to J840 21 and onto the A14 Sweep Horiz Amp board It is no longer identified as 5Ve but is now labeled XY En...

Page 256: ... 410 VERT PREAMPIL V POWER SUPPLY BOARD A31 B TR GGER SLOPE SWITCH BOARD lOVA 6 y 3 6 1 A l i A TlMiNG BOARD I 8 71 1 7 A16 6TIMING BOARD a AND HOLDOFF CONTROLS POWER DISTRIBUTION ...

Page 257: ...N TPl76 POS INPUT TP62 TO GND DELAY LINE TP156 NEG INPUT TO DELAY LlNE R74 CH2 AlTENUATOR BALANCE C 1 CHI 2 0 pf COMP r R83 CH2 JOLTS DIV BALANCE C95 CH2 H F COMP C62 CH2 2 0 pf COMP R92 CH2 L F COMP TP266 GND 3 1 9 5 l 1 4 40V ADJ CH2 H F COMP CH2 GAIN AlO VERTICAL PREAMP LOW VOLTAGE POWER SUPPLY ADJUSTMENT LOCATIONS ...

Page 258: ...2336 Service TP59 GND TP61 TP56 DISPLAY CHI INPUT R82 R106 A SLOPE R41 EXT LEVEL TP62 GND TP48 VERT MODE TP153 R163 B SLOPE CH2 INPUT LEVEL B RESET B HYST OFFSET A23 TRIGGER ADJUSTMENT LOCATIONS ...

Page 259: ...2336 Service A24 SWEEP HORIZONTAL AMPLIFIER ADJUSTMENT LOCATIONS ...

Page 260: ... VERTICAL VERTICAL R203 Z AXIS COMP L F COMP BALANCE OUTPUT GAIN Y AXIS TP161 TP320 TP130 TP127 TP92 R140 R73 TP25 R29 H V OSC R32 102V AC GRID BIAS DCGRID BIAS GND2 GRID BIAS L F COMP GND H F COMP H F COMP C36 H F COMP R39 H F COMP C33 H F COMP A15 VERTICAL OUTPUT HIGH VOLTAGE POWER SUPPLY ADJUSTMENT LOCATIONS ...

Page 261: ...2336 Service TP88 GND 1 A30 DELTA TIME LOGIC ADJUSTMENT LOCATIONS ...

Page 262: ...ng or replacing components and before connect lng or dlsconnect lng leads or cables DETERMINE THE NATURE PROBLEM TROUBLESHOOT CIRCUITRY ASSOCIATED WITH THE PROBLEM AREA 1YES BE CENTERED HORIZONTALLY FUNCTION B When analyzing clrcult malfunct ons conslder sockets and cables as posslble causes of failure C Note that some troubleshoot lng procedure boxes on each chart contaln numbers I n thelr bottom...

Page 263: ...analyzing clrcuit malfunctions conslder sockets and cables as possible causes of failure POWER SUPPLY PRESENT AT P840 331 AT EITHER END OF R2967 R295 RT297 3V WITH RESPECT R296 CHECK FAN MOTOR WINDING RESISTANCE AT P747 CHECK RT297 P747 2 AND P747 3 TROUBLESHOOT Q267 Q271 Q281 Q282 Q288 Q290 AND ASSOCIATED COMPONENTS i REPLACE FAN MOTOR L FAN CIRCUIT TROUBLESHOOTING CHART ...

Page 264: ...l controls l n lt l a l l y as follows 5 TRIG SOURCE TRIG SLOPE TRIG M O D E V A R TIME A A N D B SEC DIV HORIZ M O D E C H 1 VOLTS DIV C H I AC GND DC VERTICAL M O D E VERTICAL POSITION HORIZONTAL POSITION XI0 MAG INTENSITY B DELAY TIME POSITION VERT M O D E t AUTO I n detent 1ms A 0 1v D C C H 1 M ldrange Mldrange OFF Mldrange Fully C C W OK VERTICALLY P758 7 FOR N O 7 SHORT HORIZONTAL DEFLECTIO...

Page 265: ... Q116 C116 R122 CHECK BLANKED Q93 R94 REMOVE SHORT FROM CR94 AND DISCONNECT ONE END OF CR91 1 I I I 7 PROBLEM WITH CHECK Q107 CR127 CHECK Q28 R28 R42 CR28 CR29 CR47 1 6 g lj IS 1REMOVE BOTH IS I SHORT ACROSS I 1REMOVE SHORT FROM 1 1 X Y INTENSITY I ONLY 2 CHOP VERTICAL I MODE ONLY GENERAL NOTES TROUBLESHOOT CHOP BLANKING CIRCUIT CHECK Q209 CR20l Ul96 U211 4 9 7 1 3 BH R Z MODE A Always set POWER s...

Page 266: ...on pins 1 2 3 4 and 14 of the crt socket Voltage on these pins is in excess of 1kV Nominal voltage for the crt socket voltages are I CHECK FOR CLIPPED SINE WAVE VOLTAGE ON U130 PIN 6 HV MODULE1 4102V SUPPLY I N HV OSCILLATOR AND 102V Pin Nr Voltage t SUSPECT DC RESTORER CIRCUIT I N HV MODULE REPLACE MODULE TO CHECK GENERAL NOTES CHECK FOR SINE WAVE VOLTAGE DC RESTORER DRIVE VOLTAGE AT JUNCTION OF ...

Page 267: ...LLY C C W T O FULLY C W CHECK R10 O R 74 AND BUFFER VOLTAGES Ql0 O R Q74 PIN 1 t 5 9v 2 t 0 8V 3 t 0 0V 4 5 9 6V 6 t 8 75V 7 t 8 75V Q4 O R 068 1 t 8 75V 2 t 0 7V 3 t 9 7V 5 t t0 W 6 2 4 5V 7 t 0 0v CR3 CR2 0 3V 1 CHECK U30 O R U100 VOLTAGES PIN 3 t 0 004V 4 6 2 0 75V 10 14 t 4 7V 1 1 13 t 0 002V 5 t 3 75v 16 t 0 05V CHECK Q30 Q106 E t 5 0V B t 4 2V C t 4V CHECK COMPONENTS ASSOCIATED WITH BIAS AND...

Page 268: ... or cables CHECK C160 CIRCUITRY CHECK C R160 C R175 P CIRCUIT BOARD SUPPLY TEST POINT AND FIGURE NO 40V TP247 A10 9 61 10V TP252 A10 9 61 5V TP255 A10 9 6 1 1 TP265 A10 9 61 5V TP262 A10 9 61 102V TP320 A15 9 71 II F VOLTAGE I S I Power supply isolat ion procedure i s described adJacent to the Power Distribut ion diagram i n this manual B When analyzing circuit malfunctions consider sockets and ca...

Page 269: ...nt 1ms A 0 1v D C C H 1 Midrange Midrange OFF Midrange Fully C C W t VERIFY SUPPLY VOLTAGES T O U87 SUSPECT BAD I C U87I REPLACE U87 T O CHECK REMOVE HORIZ PREAMPI CHECK FOR SWEEP RAMP AT TP55 C YES W H A T I S VOLTAGE O N U43 PIN 71 0 TROUBLESHOOT HORIZONTAL 4 CIRCUIT A REMOVE U87 CHECK VOLTAGE 1AT U y I i y T CHECK R80 1 C80 6 I REMOVE U24 CHECK FOR SWEEP RAMP A T TP55 v VERIFY SUPPLY VOLTAGES T...

Page 270: ... NOTES VERIFY SUPPLY VOLTAGES T O U43 SUSPECT BAD IC U431 REPLACE U43 T O CHECK MEASURE D C VOLTAGE AT JUNCTION O F R76 AND 4 A Always set POWER switch to OFF before swapping removing or replacing components and before connecting or disconnecting leads or cables CHECK A SEC DIV SWITCH AND TIMING RESISTORS 7 9 1 1 I S VOLTAGE AT U43 PIN 4 2 THE SAME A S VOLTAGE AT TR CHECK R43 AND X Y ENABLE SIGNAL...

Page 271: ...TS DIV CH 1 AC GND DC VERTICAL M O D E VERTICAL POSITION HORIZONTAL POSITION XI0 MAG INTENSITY B DELAY TIME POSITION VERT M O D E t AUTO I n detent 1ms A 0 l V D C C H 1 Mldrange Mldrange OFF MI drange Fully C C W 1 YES CHECK CR63 I Rl7 0161 I 6 5 g Q Q lfl CHECK U128 AND ASSOCIATED COMPONENTS CHECK HORIZ U24 PIN 7 t S218 R30 R34 R35 R36 R41 YES CKCK HORIZ MODE SWITCHING R35 R36 R4l 1 VOLTAGE AT 0...

Page 272: ...UBLESHOOTINC CHART BEFORE STARTING HERE 1 REMOVE U24 AND U20 CHECK DC VOLTAGE AT U24 SOCKET PIN 4 AND TP3 6 9 10 DC VOLTAGE AT U24 SOCKET PIN 4 2 CHECK Q24 AND B TIMING SWITCH 6 7 9 1 0 P I 1 REINSTALL Q20 CHECK 420 GATE AND SOURCE VOLTAGE I GROUND GATE OF I R15 AND R16 REMOVE GROUND FROM 420 GATE AND CHECK Q21 COLLECTOR VOLTAGE CHECK DOES THE Q21 COLLECTOR OF U24 VOLTAGE FALL SUSPECT BAD U24 REPL...

Page 273: ... POSITION Midrange HORIZONTAL POSITION Mldrange XI0 MAG OFF INTENSITY MI drange B DELAY TIME POSITION Fully C C W CHECK TRIGGER AT U30 PIN I6 SIGNAL PRESENT AT P732 PIN 21 I VARY LEVEL CONTROL I AND CHECK FOR A GATE I AT U81 PIN 14 I CHECK HF SOURCE AND COUPLING SWITCHING C63 R56A THROUGH 0 YES SUSPECT BAD U87 REPLACE U87 T O CHECK I NO 1T E p 6 R I GATE PRESENT AT A RESET GATE TRIGGER SIGNAL AT P...

Page 274: ...bles OPEN 1YES I UNPLUG CRT SOCKET FROM CRT 7 REPLACE CHECK R176B R176C AND ASSOCIATED COMPONENTS I N Q178 BASE CIRCUIT SO THAT VOLTAGE AT TP320 I S 102V INCREASE SOURCE VOLTAGE AND OBSERVE OSCILLATOR WAVEFORM AT TP161 B When analyzing circui t malfunctions consider sockets and cables as possible causes of failure 1YES REPLACE 0 0 OPERATING 1 CHECK DC 1 S 178 No Q1 FT184 VOLTAGE AT BASE VOLTAGE BA...

Page 275: ...EEN U3 PIN 1 AND TP255 SUSPECT CHECK FOR OPEN EXCESSIVE XFMR SECONDARY 60 H WINDING P714 4 PIN 3 TO PIN 8 AND PIN 6 CHECK C252 CHECK C253 POWER SUPPLY OSCILLATING v I SEE POWER I CONNECT INSTRUMENT TO AC POWER SOURCE VIA A VARIAC LEAVE VOLTAGE AT ZERO AND POWER OFF l RESISTANCE VALUE WITHIN COMPONENT FAULTY Low 0 HIGH FAULTY COMPONENTS OR TOO LOW BETWEEN U3 AND BAD OUTPUT VOLTAGE DISCONNECT ONE EN...

Page 276: ...RESISTANCE CHECK DC VOLTAGE IAND RIPPLE AT TP265 I SUBTRACT 8 3V FROM VOLTAGE AT U8 PIN 1 VALUE WITHIN COMPONENT CHECK FOR FAULTY COMPONENTS BETWEEN U8 PIN 7 AND TP264 EXCESSIVE LOAD OR BAD FILTER I I SOME CHECKS AND QUESTIONS ARE I N TWO 1 5V AT PIN 8 FREQUENCY LOW HIGH AMPLITUDE TOO HIGH b BETWEEN U8 AND BAD OUTPUT VOLTAGE AT d8 PIN 8 CHECK FOR FAULTY COMPONENTS BETWEEN U8 PIN 1 AND TP265 ICHECK...

Page 277: ...Y VOLTAGE AT Q246 COLLECTOR I CHECK 1 ITO EMITTER I IPOWER SUPPLY OSCILLATING B When analyzing circuit malfunct ions consider sockets and cables as posslble causes of fa1lure C The power supp1Y lsolation procedure IS descrIbed adJacent to the Power Oistribut ion diagram in this manual tLESS 0 7V CHECK 0239 AND ASSOCIATED COMPONENTS h VOLTAGE AT U237 PIN 6 CHECK C231 C232 Q244 Q246 VR238 AND ASSOCI...

Page 278: ... and before connecting or disconnect ing leads or cables 1YES CHECK R5 R7 R8A R8B VR6 U2 U9 C4 CHECK OK DEFECTIVE R5 R7 R8A COMPONENTS VOLTAGE BETWEEN U10 PIN 31 AND PIN 30 ROTATE ATIME POSITION CONTROL C W FOR A N 8 DIVISION SEPARATION O F INTENSIFIED1 ZONES MEASURE D C VOLTAGE BETWEEN TP216 AND TP210 6 9 1 0 R8B VR6 U2 U9 C4 OTHER THAN 1V OSCILLATOR COMPONENTS R11 c11 CHECK INTEGRATOR COMPONENTS...

Page 279: ...OTES A Always set POWER switch to OFF before swappmg removing or replacing components and before connect lng or disconnect 1ng leads or cables MEASURE DC NO REMOVE MEASURE DC VOLTAGE VOLTAGE AT U10 b AT U2 PIN 6 AND U2 PIN 3 U2 PIN 3 FULLY CCW B When analyzing circuit malfunct ions consider sockets and cables as posslble causes of fa1lure MEASURE DC VOLTAGE AT U9B PIN 3 AND PIN 5 VOLTAGE 0 6V I PI...

Page 280: ......

Page 281: ...me Description Assembly andlor Component Attaching parts for Assembly andlor Component Detail Part of Assembly andlor Component Attaching parts for Detail Part Parts of Detail Part Attaching parts for Parts of Detail Part Attaching Parts always appear in the same indentation as the item it mounts while the detail parts are indented to the right Indented items are part of and included with the next...

Page 282: ...MS INC USECO DIV TEXTRON INC CAMCAR DIV 2 0 1 5 SECOND ST 1 4 2 6 SE 6TH 1 0 5 SE TAYLOR 635 N W 16TH AVENUE 6 4 7 INDUSTRY DRIVE P O BOX 1 7 7 P 0 BOX 3608 415 E WASHINGTON BLVD RICHARDS AVENUE P 0 BOX 8 6 7 1 7 5 7 STANFORD ST 9 3 0 1 ALLEN DRIVE P 0 BOX 1331 5 5 5 PAPER MILL RD 7 7 DRAGON COURT YOUK EXPRESSWAY 340 MARTIN AVE 2 6 2 0 ENDRESS PLACE 5 2 2 4 KATRINE AVE 2 3 0 3 W 8TH STREET 36 BUTL...

Page 283: ...6 CONN PLUG ELEC 2 X 8 01 SPACING CABLE SP ELEC 16 28AWG STRD CONTACT ELEC GROUNDING STRAP ATTACHING PARTS NUT PLAIN HEX 6 32 X 0 25 INCH BRS WASHER FLAT 0 15 ID X 0 032 THK STL CD PL SHIELD ELEC FLAT CABLE CONN PLUG ELEC 2 X 8 01 SPACING CONTACT ELEC GROUNDING PANEL FRONT LID ATTACHING PARTS SCREW MACHINE 4 40 X 0 188 INCH PNH STL LATCH CABINET TOP RIGHT ATTACHING PARTS SCREW MACHINE 2 56 X 0 188...

Page 284: ...8 100 DEG ELH STL HOLDER LATCH SCREW MACHINE 8 32 X 0 500 INCH PNH STL FOOT SCOPE REAR ATTACHING PARTS SCREW MACHINE 6 32X 0 438 lNCH PNH STL MARKER IDENT MKD CAUTIONYEUSE DATA MARKER IDENT MKD CAUTION LINE VOLTAGE SEL CLAMP CABLE POWER SST ATTACHING PARTS SCREW MACHINE 6 32 X 0 375 PNHySTL CDPL SPACER SLEEVE 0 18 ID X 0 219 L CABINET REAR ATTACHING PARTS SCREW MACHINE 6 32X 0 312 INCH PNH STL CAB...

Page 285: ... ATTACHING PARTS NUT PLAIN HEX 0 25 32 X 0 312 INCH WASHER LOCK 0 261 ID INTL 0 018 THK BRS BSHG MACH THD 0 25 32 X 0 159 ID X 0 24 RESISTOR VAR SEE R909 REPL SPACER POST 1 275 L Wl0 25 32 EXT THD ATTACHING PARTS NUT PLAIN HEX 0 25 40 X 0 312 INCH BBS RESISTOR VAR SEE R945 REPL ATTACHING PARTS NUT PLAIN HEX 0 25 32 X 0 312 INCH WASHER LOCK 0 261 ID INTL 0 018 THK BRS BSHG MACH THD 0 25 32 X 0 159 ...

Page 286: ...H STL SHIELD ELEC POWER SWITCH TOP SHIELD ELEC POWER SWITCH BOTTOM ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL CLIP ELECTRICAL COMPONENT MOUNTING ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL CHASSIS SCOPE LEFT DELAY LINE ELEC SEE DL900 REPL ATTACHING PARTS SCR ASSEM WSHR 4 40 X 0 5 PNH STL CD PL DELAY LINE ASSY INCLUDES COVER HOLDER DELAY LINE STRAP TIE DOWN 7 0 L PLASTIC CABL...

Page 287: ...REW 4 40 X 0 125 INCH HEX SOC STL BODYYFUSEHOLDER 3AG6 5 X 20MM FUSES CAP FUSEHOLDER 3AG FUSES CAP FUSEHOLDER 5 X 20MM FUSES FOR OPTION AlYA2 A3 ONLY SHIELD ELEC LINE FILTER FILTER RFI SEE F L O O REPL ATTACHING PARTS SCREW MACHINE 4 40 X 0 50 INCH PNH STL SPACER SLEEVE 0 18 ID X 0 219 L SWITCH SLIDE SEE S9O1 REPL ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL STUD BDG POST 0 25 28 X 1 11 ...

Page 288: ...DIMPLE CONN RCPT ELEC CKT BD MT 3 PRONG TERM TEST PO1NT BRASS TERMINAL PIN 0 365 L X 0 025 PH BRZ GOLD SOCKET PLUG IN 20 LEAD DIP CKT BD MTG SW LEVER ASSY A SOURCE SEE S67 REPL ATTACHING PARTS SCR ASSEM WSHR 4 40 X 0 625 INCH PNH STL NUT PLAIN HEX 4 40 X 0 25 INCH STL SWITCH ASSY INCLUDES GUIDE SWITCH W SPRING AND ROLLER SPRING FLAT RED COLORED ROLLER DETENT 0 125 DIA X 0 125 SST LEVER SWITCH 6 PO...

Page 289: ...80009 129 0413 01 83385 OBD TERM SET 1 36 0 025 SQ PINYON0 1 CTRS CLIP SPR TNSN TRANSISTOR RETAINING HEAT SINK XSTR ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL SCR ASSEM WSHR 4 40 X 0 5 PNH STL CD PL NUT PLAIN HEX 4 40 X 0 188 INCH BRS WASHER LOCK 0 12 ID DISHED 0 025 THK INSULATOR PLATE HEAT SINK SWITCH PUSH SEE 2 1 0 REPL SPACER SWITCH 0 4 THK SWITCH PUSH SEE 2 1 8 REPL SPACER SWITCH ...

Page 290: ...L LUG 0 12 ID LOCKING BRZ TIN PL ATTACHING PARTS SCREW MACHINE 4 40 X 0 25 INCH PNH STL CA ASSY SP ELEC 34 28 AWG 5 5 L CA ASSY SP ELEC 8 26 AWG ll OL RIBBON GROMMET PLASTIC NATURAL OBLONG HLDR TERM CONN 3 WIRE BLACK CONN BODY PL EL 5 WIRE BLACK CONN BODY PL EL 8 WIRE BLACK CA ASSY SP ELEC 6 22 AWG 9 0 L RIBBON CONN BODY PL EL 7WIRE BLACK CA ASSY SP ELEC 8 26 AWG 4 0 L RIBBON HLDR TERM CONN 9 WIRE...

Page 291: ...R ASSEM WSHR 4 40 X 0 438 INCH PNH BRS 386 4357 01 2 PLATE RETAINER LOWER ATTACHING PARTS 211 0121 00 4 SCR ASSEM WSHR 4 40 X 0 438 INCH PNH BRS 2 RESISTOR NTWK SEE 1 9 2 0 REPL 131 1758 09 2 CONT ASSY ELEC 2 CONTACTS 131 1758 10 2 CONT ASSY ELEC 2 CONTACTS 386 4356 01 2 PLATE RETAINER UPPER ATTACHING PARTS 211 0121 00 6 SCR ASSEM WSHR 4 40 X 0 438 INCH PNH BRS 2 RESISTOR NTWK SEE 1 9 3 0 REPL 131...

Page 292: ...ING RETAINING EXTERNAL FOR 0 44 OD 1 SPRING HLCPS 0 2 OD X 0 5 L CLOSED 1 BEARING RTRY SW INTERMEDIATE 2 ROLLER DETENT 0 125 DIA X 0 125 SST 2 SPRING FLAT 0 7 X 0 125 CU BE GRN CLR 1 DETENT RTRY SW 24 POSITION 1 HOLDER CONTACT PANCAKE SW 3 CONTACT 1 CKT BOARD ASSY B TIMING SW SEE A16 REPL 6 CONTACT ELEC 0 64 INCH LONG 1 HOLDER CONTACT PANCAKE SW 1 CONTACT 1 BEARING RTRY SW REAR 0 315 ID 1 ADPT SHA...

Page 293: ...REV FEB 1982 2336 OSCILLOSCOPE ...

Page 294: ...2336 OSCILLOSCOPE REV NOV 1981 ...

Page 295: ...REV JUL 1981 2336 OSCILLOSCOPE ...

Page 296: ...2336 OSCILLOSCOPE ...

Page 297: ...2336 OSCILLOSCOPE ...

Page 298: ...RIDGE 3AG l A 250V FAST BLOW OPT A4 NORTH AMERICAN ONLY FUSE CARTRIDGE 3AG 0 5A 250V FAST BLOW STANDARD ONLY FUSE CARTRIDGE 3AG 0 5A 250V FAST BLOW OPT A4 NORTH AMERICAN ONLY FUSE CARTRIDGE TYPE C 13 AMP OPT A2 UNTED KINGDOM ONLY FUSE CARTRIDGE 5 X 20MM lA 20V FAST BLOW OPT A1 EUROPEAN A2 UNITED KINGDOM AND A3 AUSTRALIAN ONLY FUSE CARTRIDGE 5 X 20MM 0 5A 250V 30 MIN OPT A1 EUROPEAN A2 UNITED KINGD...

Page 299: ...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 A single change may affect several sections Sincethe changeinformation sheets are carried in the manual until all changes are permanently entered some duplication may occur If no such change pages appear following this page your m...

Page 300: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 301: ...670 8368 00 and c o n s i s t s o f t h e f o l l o w i n g p a r t s Elapsed t i m e meter 357K 1 r e s i s t o r The b o a r d is l o c a t e d a t t h e r e a r o f t h e i n s t r u m e n t n e a r t h e f a n and i s s e c u r e d t o t h e main i n s t r u m e n t w i t h t h e f o l l o w i n g hardware 2 s c r e w s Pan machine 8 437 4 40 t h r e a d 2 s p a c e r s 0 125 A d d i t i o n a...

Page 302: ... 317 0331 00 RES FXD CMPSN 3300HM15 100125W B012228 670 5529 01 CKT BOARD ASSY VERT OUT HV PCWER B012228 276 0569 90 COREIEM TOROIDIFERRITEI 0 12 OD X 0 87 ID X 0 06 GUERN SN 100006 to 101121 Cores are added as necessary to reduce vertical high f requency aberrat i ons B012228 276mg569 00 COREIEM TOROIDIFERRITE 0 12 OD X 0 07 ID X 0 06 GUERN SN 100000 to 101121 Cores are added as necessary to redu...

Page 303: ...crews Fig Index No 3 9 Fig Index No 3 28 Change Name Description t o read ROLLER DETENT 0 125 DIA X 0 125 SST For item number 5 t h e arrow should point t o the center shaft of the 3 concentric s h a f t s shown i n the lower left corner of the diagram For item number 16 the arrow should point t o the h e l i c i a l spring which is t o the l e f t of the item currently shown on the diagram DESCRI...

Page 304: ... variable resistor R115 location 7E to a 910 ohm resistor R118 location 7E to a 330 ohm resistor ADD C57 1000PF from the 18 VB end of R56 to ground R45 330ohm in parallel with RT46 location 3E R116 330ohm in parallel with RT115 location 6E R227 1K ohm from the junction of R183 and C183 to 5 V location 9N D I A W 3 VERT OUTPUT AMPLIFIER ADD BEAV SN B012228 GUER SN 100000 to 101121 cores installed a...

Page 305: ... a 2 7PF capacitor R11 location 2B to a 62 o h m resistor INTERCHANGE the and signs on S219 SLDPE button a t location 1J button out is slope DIAGRAM 10 LQW VOLTAGE FWEX SUPPLY CHANGE F257 location 7C to 1 5A REMOVE C231 location 2G DIAGRAM 1 1 DELTA TIME LOGIC ADD R 9 820K ohm in parallel with the 1 K o h m section of R8 location 2C TEXT C H A N G E S Page 5 18 Step 4 Check AUPO Vertical Mode Oper...

Page 306: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Page 307: ...T i p 3 T i p s S p r i n g CHANGE The f o l l o w i n g i t e m q u a n t i t i e s a s shown below 2 O p e r a t o r s Manua1 s 2 S e r v i c e Manuals ACCESSORIES t a b b e d p a g e i n t h e R e p l a c e a b l e M e c h a n i c a l P a r t s L i s t S e c t i o n 10 STANDARD ACCESSORIES L i s t ADD The f o l l o w i n g items a s shown below 1 P r o b e l X P6101 010 6101 03 3 A d a p t e r ...

Page 308: ...ervice Manual For enquiries about high quality technical manuals Qservice otenet gr This Document is a complete Scan from the original Tektronix manual For enquiries about our complete High quality line of technical Manuals in PDF mailto Qservice otenet gr ...

Search results

Summary of Contents for 2336YA

Reviews:

Related manuals for 2336YA

Brands by name

Popular brands

Tektronix 2336YA, Instruction Manual

Search results

Summary of Contents for 2336YA

Reviews:

Related manuals for 2336YA

Brands by name

Popular brands