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Performance Check— Type 5 0 3

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(A ) C 306 misadjusted

(B) C 306 correctly adjusted

Fig. 5-4. Typical displa y, H orizontal A m p lifie r attenua tor compensation check; 1 kHz square-wave inpu t; SWEEP TIM E /C M switch setting, 2 mSEC.

VERTICAL

SENSITIVITY

1 VOLTS/CM

VARIABLE

CALIBRATED

+ INPUT

DC

-IN P U T

GND

HORIZONTAL

SENSITIVITY

.2 VOLTS/CM

VARIABLE

CALIBRATED

+INPUT

DC

-IN P U T

GND

Test Oscilloscope (Type 503)

Sweep Time/cm

2 mSEC

Trigger Source

Ext.

Trigger Level

Adjust for stable display

Horizontal Display

Sweep Normal ( X I )

c. Remove the right side panel from the test oscilloscope

d. Connect a 10X probe to the VERTICAL +INPUT con

nector, and

connect the

probe

tip

to

pin

8

of

V I

60 in the

test oscilloscope (i.e., a test point to obtain a sawtooth
waveform).

e. Connect a 1-kHz square-wave signal from the square-

wave  generator  through  a  50-ohm  termination  (or  10X   atten
uator),  a  50-ohm  cable,  a  UHF  T  connector,  and  a  47 pF
Input  Time - constant  Standardizer  to  the  HORIZONTAL

-(-INPUT connector, in the order given.

f. Connect another 50-ohm cable from the UHF T con

nector to the test oscilloscope Ext Trig. In connector.

g. Adjust the test oscilloscope Trigger Level control to

obtain a stable display on the Type 503. The display should
be similar to Fig. 5-4.

h. Adjust the generator output for a 3-cm spacing hori

zontally, and center the display with the HORIZONTAL
POSITION control.

i. Check— Square waveform showing no more than 2%

overshoot, rounding, or tilt.

j. Change the test oscilloscope Sweep Time/cm to .1

millisecond.

k. Check— Square front corner on waveform, showing

no more than 2% rounding or overshoot. See Fig. 5-5 for

typical displays.

l

. Check the square wave response in all remaining

HORIZONTAL SENSITIVITY switch

positions, alternately

switching between the 2 millisecond and 0.1 millisecond
Sweep Time/cm switch positions in the test oscilloscope.

NOTE

A ll a tte n u a to r com pensation checks are made w ith
a d isp la y a m p litu d e o f 3 cm.

Insert or remove

a tte n u a tio n a n d /o r adjust the signal g e nerator
o u tp u t to m aintain this am plitude.

m. Change the HORIZONTAL +IN P U T switch to GND,

the HORIZONTAL — INPUT switch to DC, and move the
Time-constant Standardizer to the HORIZONTAL — INPUT
connector.

n. Repeat steps (g) through (I).

2Q. Check Amplifier Phasing— 1 mY/CM to .2

VOLTS/CM

o. R e q u ire m in W h a n shift not more than 1° to 450 k ill.

b. Set the Type 503 controls as follows:

5 -7

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Summary of Contents for 503

Page 1: ... help you repair and maintain your equipment If you paid anyone other than BAMA for this manual you paid someone who is making a profit from the free labor of others without asking their permission You may pass on copies of this manual to anyone who needs it But do it without charge Thousands of files are available without charge from BAMA Visit us at http bama sbc edu ...

Page 2: ...IV l r s l U A L Serial Number Tektronix Inc S W M illikan W ay P O Box 500 Beaverton Oregon 97005 Phone 644 0161 Cables Tektronix 070 0218 01 1266 ...

Page 3: ...eld therefore all requests for repairs and re placement parts should be directed to the Tektronix Field Office or representative your area This procedure w ill assure you the fastest possible service Please include the instrument Type and Serial or Model Number with all requests for parts or service Specifications and price change privi leges reserved Copyright c 1960 new material 1966 by Tektroni...

Page 4: ...on 4 Section 5 Section 6 V D C M P y Section 7 Mechanical Parts List Information Section 8 Section 9 Mechanical Parts List Diagrams Mechanical Parts List lllus Accessories Abbreviations and symbols used in this manual are based on or taken directly from IEEE Stand ard 260 Standard Symbols for Units MIL STD 12B and other standards of the electronics industry Change information if any is located at ...

Page 5: ...Fig 1 1 Type 503 Oscilloscope Type 503 ...

Page 6: ...tion Ratio Common mode Signal DC input coupling with 5 0 kHz sine wave With AC coupling 1 kHz to 50 kHz 1 mV to 2 V 100 1 min 4 V P to P max 5 V to 2 V 30 1 min 40 V P to P max 5 V to 20 V 30 1 min 400 V P to P max Phasing 1 1 mV CM to 2 V CM to 450 kHz With equal X and Y sensitivities Variable Control in CALIBRATED position like polar ities and DC input coupling 2 0 5 V CM to 20 V CM to 50 kHz Ma...

Page 7: ... 450 kHz POWER SOURCE AC Voltage Range 50 60 Hz 105 125 V or 210 250 V 400 Hz 112 132 V or 224 264 V 800 Hz 120 140 V or 240 280 V Maximum Power Input 120 W 100 W 115 V at 60 Hz MECHANICAL ACCESSORIES Characteristic Information Construction Aluminum alloy chassis and cabinet Finish Anodized panel blue vinyl finish cabinet Dimensions 21 long 93 4 wide l3 2 high A list of accessories that may be use...

Page 8: ...05 volts and 125 volts when the line transformer is wired for 117 volt operation and between 210 volts and 250 volts when the line transformer is wired for 234 volt operation Fig 2 3 shows the transformer connections required for each range of operation The Type 503 can be operated at any AC line frequency from 50 Hz to 800 Hz although higher line voltages may be required at the higher line freque...

Page 9: ... be displayed inverted FOCUS ASTIGMATISM INTENSITY POWER AND SCALE ILLUM CAL OUT con nectors HORIZONTAL DISPLAY POSITION SENSITIVITY SENSITIVITY VARIABLE red Focuses the trace or spot on the screen Controls roundness of the spot on the screen This control is located inside on instruments with serial numbers 000270 and above Controls the brightness of the trace or spot on the screen Turns instrumen...

Page 10: ...O perating Instructions Type 503 2 3 Fig 2 2 Type 503 Oscilloscope front panel ...

Page 11: ...nd INPUT switch should be placed in the GND position It should be noted that when a signal is applied to the INPUT connector of either channel the display on the oscilloscope screen will be opposite in polar ity to a normal presentation Conventionally a normal display places the more positive portions of a waveform in the vertical channel toward the top of the screen and the more positive portions...

Page 12: ...ed horizontal sweep is applied through the horizontal amplifier to the horizontal deflection plates of the CRT and the input signal is applied through the vertical amplifier to the vertical deflection plates The Type 503 allows selection with the SWEEP TIME CM control of any one of 21 calibrated sweep rates ranging in steps from 1 microsecond to 5 seconds per centimeter The SWEEP TIME CM VARIABLE ...

Page 13: ...etting of the COUPLING switch on the triggering signal at which the sweep is triggered With the SLOPE switch in the position adjustment of the LEVEL control makes it possible to trigger the sweep consistently at virtually any point on the positive going slope of the triggering signal Likewise with the SLOPE switch in the position adjustment of the LEVEL control makes it pos sible to trigger the sw...

Page 14: ...ical waveforms obtained with the LEVEL control set in the region SLOPE When the LEVEL control is in the region the sweep is triggered on the upper portion of the waveform when it is set in the region the sweep is triggered on the lower portion of the waveform 2 7 Fig 2 6 Effects of the LEVEL control and SLOPE switch ...

Page 15: ... two points on the waveform To measure the DC level at some point on a signal pro ceed as follows 1 Set the INPUT switch for the channel in use to the GND position 2 If the horizontal sweep is being used rotate the LEV EL control fully clockwise to the FREE RUN position to pro duce a free running trace If the oscilloscope is being used in the X Y mode of operation the signal on the other channel w...

Page 16: ... will appear as a circle if the two sine waves are exactly 90 or 2Z0 out of phase Application of these instructions however will still apply 2 Center the ellipse horizontally and vertically on the CRT screen 3 Measure the distances A and B on the display as shown in Figure 2 8 A B is equal to the sine of the phase difference between A the two signals Sin j Fig 2 8 X Y method of calculating phase d...

Page 17: ...wo input connectors of one instrument To insure the accuracy of pulse and tran sient measurements always check the compensation before using a probe To check or adjust the probe compensation display several cycles of the Calibrator waveform on the CRT by connecting a test lead between the 500 mV CAL OUT connector and the VERTICAL INPUT connector For this display set the VERTICAL SENSITIVITY contro...

Page 18: ... regard less of the setting of the SENSITIVITY switch Input Amplifier The operation of the Input Amplifier will be described using the amplifier with single ended input A t Instrument Serial Number 6997 each half o f the dual triode input stage was replaced by a nuvistor type triode to improve the am plifier drift characteristics Since circuit number designations were changed at the same time refe...

Page 19: ...t The feedback circuits which control the gain of the Hori zontal Amplifier operate in the same manner for sweep operation except that a different set of resistors is used in the Input Amplifier cathode circuit Also the VARIABLE control is shorted out by the HORIZONTAL DISPLAY switch and one section of the dual POSITION control is removed from the circuit Beam positioning is accomplished by using ...

Page 20: ...ibrator Jiscussion In this new state V45B grid is more positive than V45A grid C31 will change its charge and move V45A grid to ward the new more positive level on V45B grid As V45A grid moves positive it passes through the upper hysteresis point causing the multivibrator to again switch states This switching occurs at a rate of approximately 50 Hz Hence in the absence of a triggering signal the m...

Page 21: ...BILITY ADJUST control and the FREE RUN switch the grid of V135A will become negative enough that a negative trigger pulse coming from the Sweep Trigger circuit can again take V135A into cutoff The hold off time then is determined by the value of Cl 60 switched into the Hold Off Circuit by the SWEEP TIME CM switch The amount of hold off time required is determined by the sweep rate For this reason ...

Page 22: ...hrough them POWER SUPPLY T601 provides filament power for the graticule lights all of the tubes except the first stage of the Input Amplifier and B voltage about 500 volts for the power supply oscillator tube V620 The rest of the voltages used in the oscilloscope are provided by the secondary of T620 V620 the primary of T620 and part of the secondary of T620 form an Armstrong oscillator circuit to...

Page 23: ...NOTES ...

Page 24: ...wing paragraphs Because of the nature of the instrument replacement of certain parts will require recalibration of sections of the oscilloscope to insure proper operation Refer to the Calibration section of this manual Obtaining Replacement Parts Standards Parts All electrical and mechanical part replacements for the Type 503 can be obtained through your local Tektronix Field Office or representat...

Page 25: ...ibration of the instrument If tubes or transistors do require replacement it is recommended that they be replaced by previously checked high quality com ponents Each checked pair of nuvistors used in the Type 503 Vertical and Horizontal Amplifiers is mounted in a temper ature stabilizing assembly and shock mounted to minimize microphonic effects If replacement of these tubes is indi cated they sho...

Page 26: ...lectrical value of each component in this instrument are shown on the dia grams Important voltages and waveforms are also shown on the diagrams Fig 4 S location of n w ltlo r lom p ora turo itob lliilng and thock mountlng auom bly lo ft ldo vlo w l Component Numbering The circuit number of eoch electrical port is shown on the circuit diagram Each main circuit is assigned a saries of circuit number...

Page 27: ...trouble symptoms localizing a trouble to a single circuit will facili tate repairs CIRCUIT ISOLATION This portion of the trouble shooting procedure lists some of the troubles that can be caused by a circuit failure in the Type 503 Oscilloscope It also describes checks that can be made to isolate the faulty circuit or circuits In some cases simple front panel checks can determine which circuit is d...

Page 28: ...circuit at fault However it is imoprtant that the power supply volt ages be checked Check to see if the timing circuits can be calibrated in accordance with the instructions presented in the Calibration section of this manual If the circuits cannot be adjusted for correct timing refer to the section on trouble shooting the Horizontal Amplifier Improper Triggering If the waveform observed cannot be...

Page 29: ...noperative supply Failure to Regulate at the Correct Voltage If the supplies fail to regulate at the proper voltages first check the line voltage The supplies are designed to regulate between an input voltage of 105 and 125 volts or 210 ond 250 volts with the design center at 117 volts or 234 volts RMS Improper line voltage may cause the supply voltages to be off If the output of any of the suppli...

Page 30: ...mmon cathode resistors in the Input and Output Amplifier stages or plate dropping resistors which are com mon to both sides of the amplifier Insufficient vertical deflection will also occur if the fre quency limits of the Amplifier are exceeded Waveform Distortion Waveform distortion can be divided into two categories low frequency and high fre quency If a square wave is applied to an input of the...

Page 31: ...fective tube or resistor The voltage divider network between the plate of V45A and the grid of V45B is particularly critical Sweep Generator Circuit Familiarity with the operation of the Sweep Generator circuit is important before proceeding with any extensive investigation of the circuit For this reason we suggest a thorough study of that portion of the Circuit Description that pertains to this c...

Page 32: ...ar sweep voltage will be generated if the circuit charging the Timing Capacitor does not remain constant If the nonlinearity exists at all sweep rates a defective Miller tube V160A is the probable cause of the trouble If the nonlinearity occurs only at certain sweep rates a faulty Miller tube or a leaky Timing Capacitor is the probable cause Insufficient Horizontal Deflection If the horizontal tra...

Page 33: ...NOTES ...

Page 34: ...olts at 1 kHz risetime 70 nanoseconds or faster Tektronix Type 106 recommended 3 Constant amplitude sine wave generator Signal fre quencies 50 kHz 350 kHz and 450 kHz output 0 to 5 volts Tektronix Type 191 recommended 4 Standard Amplitude Calibrator Accuracy 0 25 output 5 mV to 100 volt square waves Tektronix Calibra tion Fixture Part No 067 0502 00 recommended 5 Time mark generator Markers from 1...

Page 35: ...cused spot while decreasing the INTENSITY to avoid damage to the CRT phosphor e Check At optimum intensity the spot should be sharp and well focused 2 Check Coarse DC Balance Adjustment Vertical a Requirement No vertical shift of the trace as the SENSITIVITY switch is rotated from 1 mV CM to 2 VOLTS CM b Change the SENSITIVITY switch to 1 mV CM c With the DC BAL control adjust the trace to the sam...

Page 36: ...with the control in the full counterclockwise position b Rotate the HORIZONTAL VARIABLE control fully coun terclockwise Performance Check Type 503 c Check The dot spacing should be 2 cm indicating a ratio of 2 5 1 d Return the VARIABLE control to the CALIBRATED posi tion 10 Check 1 m V C M G ain Horizontal a Requirement Horizontal deflection accuracy 3 b Change the Standard Amplitude Calibrator to...

Page 37: ...rol to CALIBRATED 14 Check A m plifier Balance Vertical DC Common M ode Rejection a Requirement Rejection ratios and deflection toler ances as listed in Table 5 1 with specified input signals and deflection sensitivities b Set the VERTICAL INPUT switch to DC and move the Calibrator signal from the HORIZONTAL INPUT con nector to the VERTICAL INPUT connector c Change the Standard Amplitude Calibrato...

Page 38: ...ITIV ITY switches The display will be 2 dots f Change the HORIZONTAL INPUT switch to GND and change the HORIZONTAL INPUT switch to DC g Repeat step 15 e using the HORIZONTAL SENSITIV ITY switches The display will be 2 dots h Remove the Standard Amplitude Calibrator signal i Return the HORIZONTAL DISPLAY switch to SWEEP NORMAL X I 17 Check Trace Shift Due to Input Grid Current a Requirement Trace s...

Page 39: ...ks are made with a display am plitude of 3 cm Insert or remove attenuation a n d o r adjust the signal generator output to maintain this display amplitude k Change the VERTICAL INPUT switch to GND the VERTICAL INPUT switch to DC and move the generator signal from the VERTICAL f INPUT connector to the VERTI CAL INPUT connector l Repeat the procedure outlined in steps e through j 19 Check Attenutor ...

Page 40: ...ther 50 ohm cable from the UHF T con nector to the test oscilloscope Ext Trig In connector g Adjust the test oscilloscope Trigger Level control to obtain a stable display on the Type 503 The display should be similar to Fig 5 4 h Adjust the generator output for a 3 cm spacing hori zontally and center the display with the HORIZONTAL POSITION control i Check Square waveform showing no more than 2 ov...

Page 41: ... kHz and center the display vertically and horizontally f Change the HORIZONTAL INPUT switch to DC The display will change to a single trace at a 45 angle or an extremely flattened ellipse with a small separation at the center of the ellipse g Check Trace separation at the center measured on the graticule center Vertical line must be not more than 1 mm corresponding to 1 See Fig 5 6 for method of ...

Page 42: ...ITY switch to 2 VOLTS CM g With the VERTICAL POSITION control move the dis play to the top then to the bottom of the graticule h Check Vertical deflection trace separation not more than 2 mm anywhere in the graticule area NOTE In all succeeding Common Mode Rejection Ratio checks the display should be moved over the entire graticule area during the check as indi cated in steps g and h i Check the r...

Page 43: ...de should be equal to or greater than 4 2 cm 3 dB h Repeat the frequency response check for all positions of the VERTICAL and INPUT attenuator SENSITIVITY switch 23 Check Horizontal Amplifier Frequency Response a Requirement Response not more than 3 dB down at 450 kHz b Set the VERTICAL f and INPUT switches to GND the HORIZONTAL INPUT to DC and connect the signal to the HORIZONTAL INPUT connector ...

Page 44: ...ator output for a 2 5 cm display and turn the LEVEL control to the AUTO position l Check Stable displays with the SLOPE and COU PLING switches in either position m Remove the constant amplitude generator signal 27 Check Triggering External 1 kHz Square Wave a Requirement Stable display in and SLOPE switch positions and in AUTO triggering b Connect a UHF T connector and two 50 ohm cables to the out...

Page 45: ...time mark generator output to 1 micro second markers c Change the SWEEP TIME CM switch to 1 tSEC d Connect a 50 ohm cable from the time mark generator trigger output connector to the EXTERNAL TRIG IN con nector and set the generator to supply 10 microsecond triggers e Change the SOURCE switch to EXT f Check One marker cm 3 34 Check Variable Control Ratio a Requirement 2 5 1 reduction in sweep rate...

Page 46: ...irement Horizontal jitter 2 mm or less Sweep Magnified X50 b Connect 1 microsecond time marks from the time mark generator to the VERTICAL INPUT connector c Connect a 50 ohm cable from the time mark generator trigger output connector to the EXTERNAL TRIG IN con nector d Set the SOURCE switch to EXT the SWEEP TIME CM to 5 SEC and the HORIZONTAL DISPLAY switch to X50 e Set the time mark generator to...

Page 47: ... VARIABLE control counter clockwise until one cycle of the calibrator waveform occu pies 10 cm of the graticule e Check The calibrator waveform symmetry should be within a ratio of 2 1 43 Check Calibrator Frequency a Requirement Calibrator frequency 350 Hz 50 b Return the SWEEP TIME CM VARIABLE to CALIBRATED c Change the SWEEP TIME CM to 1 mSEC d Check The length of one calibrator cycle should be ...

Page 48: ...ali bration of this instrument All test equipment is assumed to be correctly calibrated and operating within the original specifications If equipment is substituted it must meet or exceed the specifications of the original equipment Special Test Equipment For the quickest and most accurate calibration special calibration fixtures are used where necessary All cali bration fixtures listed under Reco...

Page 49: ...Type 503 colibrotion__ 6 2 ...

Page 50: ...erial No Calibration Date o 1 Adjust 100 Volt Supply Page 6 6 100 volts 2 o 2 Check 12 6 Volt Supply Page 6 7 12 6 volts 0 63 volts 5 0 3 Check 100 Volt Supply Page 6 7 100 volts 5 volts 4 Chock 250 Volt Supply Page 6 7 250 vol s 1 2 5 volts 5 Chock 3000 Volt Supply Page 6 7 3000 volts 150 volts 6 Check Power Supply Ripple and Regulation Page 6 8 1 0 0 volts 2 from 105 to 125 VAC RMS 120 Hz ripple...

Page 51: ...Page 6 18 Waveform flat topped no more than 2 overshoot or rounding 31 Adjust Amplifier Phasing Page 6 21 Phase difference not more than 1 1 mm 31 32 Check Common Mode Rejection Ratio Page 6 23 n n n i n 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 Horizontal Vertical rejection ratio 100 1 with sensi tivities and signals specified Check Vertical Amplifier Frequency Response Page 6 2...

Page 52: ...y be left in any position If only a partial calibration is performed start with the near est setup preceding the desired portion NOTE When performing a complete recalibration best performance w ill be provided if each adjustment is made to the exact setting even if the Check is within the allow able tolerance The following procedure uses the equipment listed under Recommended Equipment If substitu...

Page 53: ...ully clockwise Fully counterclockwise SWEEP NORMAL XI 1 VOLTS CM CALIBRATED fully clockwise Midrange DC GND 1 VOLTS CM CALIBRATED fully clockwise Midrange GND GND 1 Adjust 100 Volt Supply a Test equipment setup is shown in Fig 5 3 b Set the DC voltmeter item 2 of Recommended Equip ment to the appropriate scale and connect the leads to the Type 503 chassis ground and tho 100 volt test point see Fig...

Page 54: ...and set the meter scale for checking 12 6 volts b Connect the meter positive lead to the 12 6 volt test point Fig 6 5 and the negative lead to chassis ground c Check A meter reading of 12 6 volts 0 63 volts 5 3 Check 1 0 0 Volt Supply a Change the meter scale for a 100 volt reading b Connect tbs positive meter lead to the 100 volt test point Fig 6 5 c Check A meter reading of 100 volts 5 volts 4 C...

Page 55: ...volt supply should remain within the 2 tolerance from the 105 to 125 V setting of the autotransformer the 120 Hz ripple should not exceed 15 millivolts g Repeat steps b through e for the 12 6 V 100V and 250 V supplies checking for regulation and 120 Hz ripple tolerance as indicated in Table 6 1 CAUTION Do not attempt to check the ripple on the 3000 volt supply as the input voltage roting on the te...

Page 56: ...peration of the oscilloscope d Slowly increase the INTENSITY clockwise rotation until a dcfocused spot is visible It may be necessary to adjust the HORIZONTAL and VERTICAL POSITION controls e Check The defocused spot should be round or slight ly elliptical f Adjust ASTIG R864 Fig 6 9 for as round a spot as possible g Adjust the FOCUS control for a sharply focused spot while decreasing the INTENSIT...

Page 57: ...IGGER LEVEL control clockwise to FREE RUN b Change the VERTICAL SENSITIVITY switch to 2 VOLTS CM and the VERTICAL f INPUT to GND c Center the Vertical POSITION control knob d Set the DC BAL control to midrange ifound by rotat ing the knob fully clockwise and counterclockwise then set ting to the approximate midrange e Position the trace to the center horizontal line with tbe Vertical POSITION cont...

Page 58: ...de Calibrator for a 1 volt square wove output c Connect the Standard Amplitude Calibrator output through a BNC to UHF adapter a 50 D cable and quick connect adopter item 15 of Recommended Equipment to the Type 503 VERTICAL f INPUT connector and change the VERTICAL INPUT switch to DC d Adjust the SWEEP TIME CM switch to a setting which will present an easily viewed display with a minmum of flicker ...

Page 59: ...o prevent dam age to the CRT phosphor d Set the Standard Amplitude Calibrator to supply a 1 volt square wave and connect the signal to the HORI ZONTAL f INPUT connector e Set the HORIZONTAL SENSITIVITY switch to 2 VOLTS CM f The display should now consist of two dots spaced horizontally in the graticule area Center the display with the HORIZONTAL POSITION control g Check The dot spacing should be ...

Page 60: ...amplitude of the display should not exceed 4 mm anywhere in the graticule area ft 24 Check Compression or Expansion Vertical a Set the Standard Amplitude Calibrator to 5 volts and chanqe the HORIZONTAL and INPUT switches to GND b Move the Standard Amplitude Calibrator signal from the HORIZONTAL INPUT connector to Hh VERTICAL INPUT connector and change the VERTICAL INPUT switch to DC c Set the VERT...

Page 61: ...I TIVITY switches The display will be 2 dots e Change the HORIZONTAL INPUT switch to GND and change the HORIZONTAL INPUT switch to DC f Repeat step 26 d using the HORIZONTAL SENSI TIVITY switches The display will be 2 dots g Remove the Standard Amplitude Calibrator signal h Return the HORIZONTAL DISPLAY switch to SWEEP NORMAL X I TABLE 6 2 SENSITIVITY Setting Std Amplitude C alibrator 5 mV Deflect...

Page 62: ...attain the desired deflection it w ill be neces sary to add or remove the 50 ohm term ination a n d o r the X I0 attenuator This w ill not affect the accuracy o f the time contsant adjustments d Adjust the generator output for a display 3 cm in amplitude and center the display in the graticule viewing area 29 Adjust Attenuator Compensation O Vertical a The equipment setup is shown in Fig 6 15 e Ro...

Page 63: ...C for optimum front corner waveform A typical display of fast time constant adjustment is shown in Fig 6 17 n Change the SWEEP TIME CM switch to 2 mSEC o Change the VERTICAL SENSITIVITY switch to 5 VOLTS CM and adjust the generator output to maintain a 3 cm display It may be necessary to remove attenuation to obtain sufficient generator output signal p Check Optimum flat top on square wave display...

Page 64: ...GND the VERTICAL INPUT switch to DC and move the generator signol from the VERTICAL INPUT connector to tho VER TICAL INPUT connector x Repeat the procedure outlined in steps d through u referring to Table 6 3 for control settling adjustments re quired and waveform tolerances The VERTICAL INPUT attenuator adjustment locations are shown in Fig 6 18 Fig 6 1 1 A tten u a to r com pensation adjustm ent...

Page 65: ...BRATED DC GND 30 Adjust Attenuator Compensation O Horizontal a Test setup is shown in Fig 6 19 b Connect a short jumper lead between R144 and the 100 V supply as shown in Fig 6 20 d Conned a I kHz square wave signal from the square wave generator through a 50 ohm termination a 50 ohm cablo a UHF T connector and a 47 pF Input Time constant Normalizer to tho HORIZONTAL f INPUT connector in the order...

Page 66: ...p as in step i l Adjust C305B for best square wave with a flat top m Change the SWEEP TIME CM switch to 1 mSEC n Check Square front corner on waveform with over shoot or rounding not exceeding 2 of the display ampli tude See Fig 6 23 for typical displays o Adjust C305C for waveform front cornor with mini mum aberrations p Change the HORIZONTAL SENSITIVITY switch to 5 VOLTS CM q Change the SWEEP TI...

Page 67: ...EEP TIME CM switch to 2 mSEC and the SLOPE switch to y Change the HORIZONTAL INPUT switch to GND the HORIZONTAL INPUT to DC and move the Time constant Normalizer to the HORIZONTAL INPUT con nector z Repeat the procedure outlined in steps h through y referring to Table 6 4 for control settings adjustments required and waveform tolerances The HORIZONTAL INPUT attenuator adjustment locations are show...

Page 68: ...M VARIABLE CALIBRATED POSITION Midrange I INPUT DC IN P U T GND HORIZONTAL SENSITIVITY 2 VOLTS CM VARIABLE CALIBRATED POSITION Midrange INPUT GND IN P U T GND 31 Adjust Am plifier Phasing O NOTE At Serial Number 560 capacitors C356 and C456 were changed from fixed units to variable units At Serial Number 6997 capacitors C368 and C468 were installed Fig 6 2S Location of phasing adjustments instrume...

Page 69: ...g adjustments h Move the signal cable from the VERTICAL f INPUT connector to the VERTICAL INPUT connector change the VERTICAL INPUT switch to GND the VERTICAL IN P U T switch to DC and repeat steps e f and g i Change the VERTICAL INPUT switch to GND and tho HORIZONTAL fINPUT switch to DC The trace will now be o horizontal line j Repeat steps o f and g for tho horizontal trace k Dress the CRT defle...

Page 70: ...ining attenuator positions for both the HORIZONTAL and VERTICAL Amplifiers referring to Table 6 5 for attenuator settings generator frequencies and trace separation tolerances NOTE In all cases adjust the display am plitude to 6 cm fo r the checks in Table 6 5 ad Interaction The adjustments to C356 C456 and C368 interact Changes to the adjustments of one of the capacitors may require adjustment of...

Page 71: ... signal cables from the HORIZONTAL INPUT connectors to the VERTICAL INPUT connectors z Check Amplitude of the display not more than 2 cm anywhere in the graticule area aa Change the VERTICAL SENSITIVITY switch to 2 mV CM ab Check Display amplitude not more than 5 cm in the graticule area ac Change the VERTICAL SENSITIVITY switch to 1 mV CM ad Check Display amplitude not more than 10 cm 33 Check Ve...

Page 72: ...proximately a 50 Hz rate should be visible e With a screwdriver rotate the SWEEP STABILITY ADJUST control on the front panel counterclockwise until the trace disappears Note the position of the adjusting screw slot f Rotate the SWEEP STABILITY ADJUST control clock wise until the trace brightens suddenly Again note the position of the adjusting slot g Adjust the control midway between the positions...

Page 73: ...TRIG IN connector e Set the generator frequency to 50 kHz and adjust the output to 0 5 V as indicated on the test oscilloscope by a display amplitude of 5 cm f Remove the test probe from the EXTERNAL TRIG IN connector g Change the generator frequency to 450 kHz h Check A stable display may be obtained in the and positions of the SLOPE switch by adjusting the LEVEL control i Rotate the LEVEL contro...

Page 74: ... 50 ohm cable from the lime mark generator output connector to the VERTICAL INPUT connector d Set the VERTICAL SENSITIVITY and the VARIABLE control so that the display amplitude is approximately 3 cm e Chock 1 marker cm 3 2 4 mm in 8 cm f Adjust SWP CAL R322 for I marker cm The loca tion of R322 is shown in Fig 6 31 g Fig 6 30 shows a Typical display 42J Adjust Sweep Length o Change the SWEEP TIME...

Page 75: ...0 ju SEC 1 0 i s 2 marks cm 3 50 i SEC 50 fts 1 mark cm 3 1 ixSEC 1 IS 1 mark cm 3 2 iSEC1 1 IS 2 marks cm 3 5 cSEC 5 as 1 mark cm 3 47 Adjust Sweep Magnifier Registration O a Set the SWEEP TIME CM to 1 mSEC b Set the time mark generator to supply 5 millisecond markers c Check that the SOURCE switch is set to INT and adjust the LEVEL control d Center the first time mark to the graticule center ver...

Page 76: ...nd 10 small marks cm c Change the HORIZONTAL DISPLAY switch to X 2 d Check 1 large mark 2cm irl mm 2cm c Set the HORIZONTAL DISPLAY switch os indicated in Table 6 8 checking for magnifier tolerances shown 50 Check Sweep Jitter o Connect 1 microsecond time marks from the time mark generator to the VERTICAL INPUT connector b Connect a 50 ohm cable from the time mark generator trigger output connecto...

Page 77: ...ave an amplitude of 10cm with the center trace either a single line or separated by the amount of difference between the Standard Amplitude C alibrator voltage and the Type 503 CAL OUT voltage f Adjust CAL ADJ R880 for no trace separation at the center of the display TABLE 6 8 DISPLAY HORIZONTAL Check Tolerance 5 X2 1 large mark 2 cm 1 mm 2 cm X5 1 large mark 5 cm 2 5 mm 5 cm X10 1 small mark cm 0...

Page 78: ...NOTES ...

Page 79: ...l c a s e d E M T e l e c t r o l y t i c m e t a l t u b u l a r p o l y p o l y s t y r e n e f e p s i l o n 2 7 1 8 2 8 o r o f e r r o r p r e c p r e c i s i o n e q u a l t o o r g r e a t e r t h a n P T p a p e r t u b u l a r e q u a l o o r l e s s t h a n P T M p a p e r o r p l a s t i c t u b u l e x t e x t e r n a l p w r p o w e r F o r f f a r a d Q f i g u r e o f m e r i t F 1 ...

Page 80: ...art number instrument type or number serial or model number and modification number if applicable If a part you have ordered has been replaced with a new or improved part your local Tektronix Inc Field Office or representative will contact you concerning any change in part number xooo 00X 000 0000 00 Use 000 0000 00 o I SPECIAL NOTES AND SYMBOLS Part first added at this serial number Part removed ...

Page 81: ... 001 iif Cer Fixed 500 v 283 000 01 Cer Fixed 500 v 283 002 22 ip f Cer Fixed 500 v 281 510 47 n ii Cer Fixed 500 v 281 518 22 fif if Cer Fixed 500 v 10 281 511 4 7 w i t Cer Fixed 500 v 1 fifif 281 501 3 12 if if Cer Var 281 007 101 809 82 ip f Cer Fixed 500 v Use 281 574 810 up 82 ij i Cer Fixed 500 v 10 281 574 4 5 25 fif if Cer Var 281 010 101 9789 001 p f Fixed y 291 008 01 n f 101 9789 Fixed...

Page 82: ...ppi Mica C408N 101 559X 1800 pp i Cer C408N X1621 2169X 2000 ppi Mica C4103 022 pi PTM C414B 7 45 ppi Cer C414C 1 5 7 ppi Cer C414E 198 ppi Cer C415B 7 45 ppi Cer C415C 1 5 7 ppi Cer 2C300 C310 selected 5 each other furnished as a unit 3C400 C410 selected 5 each other furnished as a unit Fixed 500 v 5 281 583 Fixed 500 v 5 281 584 Fixed 500 v 5 281 585 Fixed 500 v 281 525 Fixed 500 v 5 283 524 Fix...

Page 83: ...C611 125 if EMC Fixed 350 v 290 052 C612 125 if EMC Fixed 350 v 290 044 C614 XI 440 up 02 if Cer Fixed 1400 v 283 022 C620 01 it Mica Fixed 600 v 5 Use 283 575 C621 005 if Cer Fixed 500 v 283 001 C624 X1210 up 10 if EMC Fixed 15 v 290 106 C628 001 if Cer Fixed 500 v 283 000 C629 X2660 up 001 if Discap Fixed 500 v 283 000 C630 001 if Cer Fixed 500 v 283 000 C642 005 if Cer Fixed 500 v 283 0 n C646 ...

Page 84: ...Vi w Fixed Comp y w Fixed Comp y2w Fixed Comp Vi w Fixed Comp y2w Fixed Comp y2 w Fixed Comp y2w Fixed Comp y2w Fixed Prec 1 w Fixed Comp 1 w Fixed Prec y2w Fixed Comp y2w Fixed Comp 2 w Fixed Comp y2w Fixed Prec 2 w Fixed Prec 2 w Fixed Comp y2w Fixed Comp Vi w Fixed Comp 1 w Fixed Comp Vi w Var Comp Fixed Comp y w Fixed Comp Vi w Fixed Comp y2w Fixed Comp y2w Fixed Prec y2w Fixed Comp y2w Fixed ...

Page 85: ... R308G 526 Q y2w Fixed Prec 1 309 285 R308J 256 n V i w Fixed Prec 1 309 286 R308L 101 a V i w Fixed Prec 1 309 287 R308N 101 869 50 Q y2w Fixed Prec 1 309 128 R308N 870 8709 50 9 Q y2w Fixed Prec 1 309 216 R308N 8710 up 49 9 0 y2w Fixed Prec 1 323 0068 00 R314C 101 8329 990 k Vi w Fixed Prec 1 309 145 R314C 8330 up 990 k Vi w Fixed Prec 1 323 0614 00 R314E 101 8329 10 1 k Vs w Fixed Prec 1 318 00...

Page 86: ...up 111 k Vs W R406 1 meg Vs W R408A 10 k A w R408C 3 33 k A w Var Comp 20 311 181 Fixed Comp 10 302 680 Fixed Comp 10 302 0101 00 Fixed Prec 1 310 074 Var Comp 20 Use 311 365 Fixed Comp 10 302 104 Fixed Comp 10 302 471 Fixed Prec 1 309 090 Var Comp 20 Use 311 367 Fixed Comp 10 302 680 Fixed Comp 10 302 0101 00 Fixed Prec 1 310 074 Fixed Comp 10 302 152 Fixed Comp 10 302 0102 00 Fixed Comp 5 303 82...

Page 87: ...0 302 0101 00 R438 38 3 k 1 w Fixed Prec 1 310 074 R440 100k A w Fixed Comp 10 302 104 R441 470 0 y2w Fixed Comp 10 302 471 R444 50 k y2w Fixed Prec 1 309 090 R446 250 0 Var Comp 20 311 181 R447 101 6996 68 0 y2w Fixed Comp 10 302 680 R447 6997 up 1000 Vi w Fixed Comp 10 302 0101 00 R448 38 3 k 1 w Fixed Prec 1 310 074 R450 101 8899 1 5 k y2w Fixed Comp 10 302 152 R450 8900 up 1 k y2w Fixed Comp 1...

Page 88: ...72 R624 X1210 up 22 O V i w Fixed Comp 10 302 220 R626 40 k 8 w Fixed W W 5 308 168 R628 470 0 A w Fixed Comp 10 302 471 R630 680 k Vi w Fixed Comp 10 302 684 R631 2 2 meg Vi w Fixed Comp 10 302 225 R632 100O A w Fixed Comp 10 302 101 R634 33 k A w Fixed Comp 10 302 333 R635 56 k Vi w Fixed Comp 10 302 563 R637 470 k A w Fixed Comp 10 302 474 R640 101 7509 154 k Vi w Fixed Prec 1 309 234 R640 7510...

Page 89: ...ouble pole double throw slide SLOPE 260 0447 00 SW160 101 9789 6 section 2 position rotary TIME CM 262 322 260 320 SW160 9790 up 6 section 21 position rotary TIME CM 262 0322 01 260 0320 00 SW300 101 5019 single pole triple throw slide AC DC INPUT 260 316 SW300 5020 up single pole triple throw slide AC DC INPUT 260 0448 00 SW304 6 section 14 position rotary HORIZ SENS Use 262 548 260 319 SW310 101...

Page 90: ...con Selected for short recovery time 400 PIV 500 MA 153 007 D682 Silicon Selected for short recovery time 400 PIV 500 MA 153 007 Q354 101 2169 Transistors 2N1637 151 045 Q354 2170 4779 Replacement Kit Use 050 0251 00 Q354 4780 up Selected from 2N3251 151 133 Q364 101 2169 2N1637 151 045 Q364 2170 4779 Replacement Kit Use 050 0251 00 Q364 4780 up Selected from 2N3251 151 133 Q454 101 2169 2N1637 15...

Page 91: ...79 8393 Checked pair 157 0109 00 V434 i V444 10180 8393 Checked pair 154 0127 00 V474 100 10169 6CB6 154 030 V474 10170 8136 154 0367 00 V484 100 10169 6CB6 154 030 V484 10170 8136 154 0127 00 V620 6DQ6 154 277 V634 6BL8 ECF80 154 278 V659 5651 154 052 V692 5642 154 051 V859 T5030 2 CRT Standard Phosphor 154 265 7 11 ...

Page 92: ...ased separately unless otherwise specified PARTS ORDERING INFORMATION Replacement parts are available from or through your local Tektronix Inc Field Office or representative Changes to Tektronix instruments are sometimes made to accommodate improved components as they become available and to give you the benefit of the latest circuit improvements developed in our engineering department It is there...

Page 93: ...Mechanical Parts List Type 503 INDEX OF MECHANICAL PARTS LIST ILLUSTRATIONS Located behind diagrams FIG 1 FRONT FIG 2 SWITCHES FIG 3 CRT SHIELD FIG 4 CHASSIS REAR FIG 5 CABINET FIG 6 ACCESSORIES ...

Page 94: ... cover WASHER rubber NUT knurled 3 8 24x 9 i4 inch GRATICULE 5 inches 8 x 10 cm SHIELD graticule light KNOB black FOCUS KNOB charcoal FOCUS knob includes SCREW set 6 32 x 3 u inch HSS RESISTOR variable mounting hardware not included w resistor LOCKWASHER internal 3 8 ID x 1Vi inch OD WASHER flat 0 390 ID x 9 u inch OD NUT hex 3 8 3 2 x 2 inch COVER variable resistor plastic KNOB black INTENSITY KN...

Page 95: ...e mounting hardware for each not included w resistor LUG solder ID x 5 s inch OD SE LOCKWASHER internal I D x V inch OD WASHER flat 0 390 ID x 9 u inch OD NUT hex 3 8 3 2 x y 2 inch KNOB gray DC BAL each knob includes SCREW set 6 32 x 3 u inch HSS RESISTOR variable mounting hardware for each not included w resistor LUG solder 3 8 ID x inch OD SE LOCKWASHER internal ID x 1y ll6 inch OD NUT hex 3 s ...

Page 96: ...ardware not included w switch 51 210 0406 00 2 NUT hex 4 40 x 3 4 inch 52 260 0251 00 101 5019 1 SWITCH slide SOURCE 260 0450 00 5020 1 SWITCH slide SOURCE mounting hardware not included w switch 53 210 0406 00 2 NUT hex 4 40 x z u inch 54 136 0106 00 101 2178 2 SOCKET banana jack 136 0138 00 2179 5019 2 SOCKET banana jack 136 0140 00 5020 2 SOCKET banana jack charcoal mounting hardware for each n...

Page 97: ...00 1 210 0010 00 1 Description 1 2 3 4 5___________________________________ ASSEMBLY binding post each assembly includes CAP STEM adapter mounting hardware for each not included w assembly LUG solder ID x 7 i 4 inch OD SE NUT hex V4 2 8 x 3 8 inch RESISTOR variable mounting hardware not included w resistor NUT hex 3 8 32x V2 inch LOCKWASHER internal ID x V u inch OD BUSHING 3 8 32x 4 inch long PAN...

Page 98: ...on COUPLING RESISTOR variable mounting hardware not included w resistor NUT hex 3 s 32 x y2 inch LOCKWASHER internal ID x 2 inch OD BRACKET capacitor mounting CAPACITOR mounting hardware for each not included w capacitor SCREW thread cutting 4 40x 5 i 6 inch RHS FASTENER plastic snap in mounting hardware not included w switch SCREW 5 40 x 3 w inch PHS LOCKWASHER internal l3 8 ID x y2 inch OD not s...

Page 99: ...CKET tube 9 pin w shockmount spring SOCKET nuvistor 5 pin SOCKET nuvistor 5 pin mounting hardware not included w socket SCREW 4 40 x 3 f u inch PHS LOCKWASHER internal 4 NUT hex 4 4 0 x3 i s inch LUG solder SE 4 mounting hardware not included w lug SCREW thread forming 5 32 x 3 inch PHS SHIELD nuvistor mounting hardware not included w shield SCREW thread forming 5 32x3 6 inch PHS SWITCH wired LEVE...

Page 100: ...CH unwired 260 0704 00 4760 1 SWITCH unwired mounting hardware not included w switch 45 211 0007 00 2 SCREW 4 40 x inch PHS 210 0013 00 1 LOCKWASHER internal 3 8 ID x 1 inch OD not shown 210 0413 00 1 NUT hex 32 x 2 inch not shown 46 262 0323 00 101 3409 1 SWITCH wired HORIZONTAL SENSITIVITY 262 0548 00 3410 1 SWITCH wired HORIZONTAL SENSITIVITY switch includes 260 0319 00 1 SWITCH unwired 47 384 ...

Page 101: ...MET rubber 5 1 I4 inch diameter 69 348 0031 00 9 GROMMET plastic 4 inch diameter 70 441 0609 01 X6997 1 CHASSIS nuvistor mounting hardware not included w chassis 71 348 0058 00 2 SHOCKMOUNT rubber 72 210 0457 00 2 NUT keps 6 32 x 5 l4 inch 73 136 0087 00 101 6996 1 SOCKET tube 9 pin w shockmount spring 136 0188 00 6997 7569 2 SOCKET nuvistor 5 pin 136 0131 00 7570 2 SOCKET nuvistor 5 pin mounting ...

Page 102: ...9 00 l SPOOL solder mounting hardware not included w assembly 361 0007 00 l SPACER plastic 0 188 inch long 83 407 0142 00 X6997 2 BRACKET shockmounting stop mounting hardware tor each not included w bracket 211 0517 00 1 SCREW 6 32 x 1 inch PHS 210 0006 00 1 LOCKWASHER internal 6 84 200 0554 00 X6997 2 COVER temperature stabilizer 85 377 0103 00 X6997 4 INSERT temperature stabilizer 8 9 ...

Page 103: ...3 00 1520 1 ASSEMBLY CRT socket assembly includes 136 0117 00 1 SOCKET CRT 131 0178 00 9 CONNECTOR CRT pin 14 387 0393 00 1 PLATE back 15 213 0087 00 2 SCREW thread cutting 2 32 x y2 inch RHS 16 354 0103 00 1 ASSEMBLY clamping ring assembly includes 17 210 0502 00 1 NUT CRT rotator 10 32x3 8 inch 18 211 0560 00 1 SCREW 6 32x1 inch RHS 19 210 0407 00 1 NUT hex 6 32 x V4 inch 20 432 0022 00 1 BASE C...

Page 104: ...S not shown CLAMP mounting hardware for each not included w clamp NUT hex 6 32 x y4 inch LOCKWASHER internal 6 WASHER flat 0 150 ID x inch OD SCREW 6 32 x 5 1 4 inch PHS SOCKET tube 9 pin w ground lugs mounting hardware for each not included w socket SCREW thread forming 5 32 x 3 4 inch PHS SOCKET tube 7 pin w ground lugs mounting hardware for each not included w socket SCREW thread forming 5 32 x...

Page 105: ...110 1 COVER capacitor 33 2 CAPACITOR mounting hardware for each not included w capacitor 34 211 0534 00 2 SCREW sems 6 32 x 5 i s inch PHS 35 386 0252 00 1 PLATE fiber 36 210 0006 00 2 LOCKWASHER internal 6 37 210 0407 00 2 NUT hex 6 32 x 4 inch 38 200 0258 00 1 COVER capacitor 39 1 CAPACITOR mounting hardware not included w capacitor 40 211 0534 00 2 SCREW sems 6 32 x 5 4 inch PHS 41 386 0254 00 ...

Page 106: ...es BRACKET transformer see ref 49 SCREW 10 32 x 13 4 inches HHS WASHER fiber 10 mounting hardware not included w transformer NUT keps 10 32x 3 8 inch CLAMP tube mounting hardware not included w clamp STUD 8 32x4 inches NUT hex 8 32 x 5 1 4 inch LOCKWASHER internal 8 LUG solder SE 4 mounting hardware for each not included w lug SCREW thread forming 5 32x3 ll6 inch PHS LUG solder SE 6 TRANSFORMER mo...

Page 107: ...uded w post BUSHING binding post black BUSHING binding post charcoal LOCKWASHER internal 10 LUG solder SE 10 NUT hex 10 32x3 e inch NUT keps 10 32x 3 8 inch HOLDER power cord mounting hardware for each not included w holder SCREW 8 32 x 1y2 inch OHS NUT keps 8 32x y32 inch CORD power 8 feet BUSHING strain relief TAG voltage mounting hardware not included w tag SCREW thread forming 4 x 7 4 inch PHS...

Page 108: ...ncludes 355 0046 00 1 STUD plastic mounting hardware not included w strip 361 0007 00 1 SPACER plastic l4 inch long 93 179 0413 00 101 269 1 CABLE HARNESS focus and intensity 179 0424 00 270 1 CABLE HARNESS focus and intensity 94 179 0407 00 101 269 1 CABLE HARNESS chassis 179 0442 00 270 399 1 CABLE HARNESS chassis 179 0470 00 400 1 CABLE HARNESS chassis 95 179 0412 00 1 CABLE HARNESS 110 volt 96...

Page 109: ...REW 6 32 x 3 s inch 100 csk FHS not shown 13 210 0457 00 4 NUT keps 6 32 x 5 i inch 14 122 0060 00 X740 1 ANGLE frame top mounting hardware not included w angle 211 0559 00 4 SCREW 6 32 x 3 s inch 100 csk FHS not shown 15 210 0457 00 4 NUT keps 6 32x5 1 l4 inch 16 381 0172 00 101 3844 1 BAR top support w handle 381 0229 00 3845 1 BAR top support w handle bar includes 367 0029 00 101 3844 1 ASSEMBL...

Page 110: ... I N P U T INPUT E X T E R N A L TRIG IN LI N E INPUT INPUT A T Y P E B O 3 O S C I L L O S C O P E ...

Page 111: ...G Ab A B L O C K D I A G R A M ...

Page 112: ...T R K a G iE B IN P U T A M P L IF IE R T V p E 5 0 3 O SCILLO SCO PE D ...

Page 113: ...LEVEL FOR WAVEFORMS CENTERED FOR UPPER VOLTAGE READINGS FREE RUN FOR LOWER VOLTAGE READINGS see iso IMPORTANT no te o n this d iag r am CCW BUT NOT SWITCHED TO AUTO A S W t l p TR IG G E R S E E P A R T S L IS T F O R E A R L IE R V A L U E S A N D S U C H A N G E S O F P A R T S M A R K E D W IT H B L U E O U T L IN E S 6 4 S W E E P TRIQQ ER ...

Page 114: ...h S W E E P B A T IN G M U L T I V I 6R A T O R D lS C O N N E D IO D E S EX TYPE 5 0 5 OSC 5 T SCOPE ...

Page 115: ... D Z 2 I j O H OA uit zul Z Q 3 O 0 7 7 ...

Page 116: ...c L O a l LLl A uJ u e x a uJ LLl t i ...

Page 117: ... S W E E P T IM C m 1 1 SW IfeO 5F4 B 3F R I O O V T IM IN G P E S 1 S T 0 P S TYPE 5 0 3 OSC ILLO SCO PE B ...

Page 118: ...0 S 2 J 7 ...

Page 119: ... J 0 o lii I in I I I 2 z 3i i pfSg D T IM IN G i S W IT C H ...

Page 120: ... IO O V P A R T S M A R K E D W IT H B L U E O U T L IN E T V P E 5 0 3 O S C IL L O S C O P E BOTH HORIZON SENSITIVITY HORIZONTAL P FOR UPPER V FOR LOWER HORIZONTAL D SEE ALSO IMP ...

Page 121: ...n I u J a d i ...

Page 122: ...E 196 XIO C3I4 B_ 7 4 5 R3I4C 990K 5 R3I4 E IO K _ C 3 4 C 1 5 7 T J C314 E 96 X IO S E E P A R T S L IS T F O R V A LU E S A N D S K I CHAN P A R T S M A R K E D W IT H O U T L IN E C305B 7 4 5 R305C 900 K _ C305C 1 5 7 R305E ill K 1NpUT ATTENUATORS I N P U T A T T E N U A T O R S T V p E 5 0 3 O S C IL L O S C O P E 3 7 ...

Page 123: ...P A R T S L IS T F O R E A R L IE R V A L U E S A N D S N C H A N G E S O F P A R T S M A R K E D W IT H B L U E O U T L IN E G i A b 2 7 H O R IZ O N T A L D I S P L A Y S W IT C H H O R IZ O N T A L A M P L I F I E R A T T E N U A T O R S W IT C H ...

Page 124: ... mh i 1 5F R t 413 C408 R408 R44S SS 3k 5 R44 250 l c T 446 0 0 5 a V 4 4 A 165931 4 0 R444 50IC T Y P E 5 0 3 O S C IL L O S C O P E S E E P A R T S L IS T F O R E A R L IE R V A L U E S A N D S N C H A N G E S O F P A R T S M A R K E D W IT H B L U E O U T L IN E VOLTAGE WITH CONTR BOTH INPUTS SENSITIVITY VERTICAL PO FOR UPPER FOR lOWEl SEEALSO ...

Page 125: ... D E F L E C T IO N P L A T E 7 3 TO L O W E R d e f l e c t i o n VOLTAGE READINGS were obtained WITH CONTROLS SET AS FOLLOWS BOTH INPUTS GND SENSITIVITY 2 VOLTS CM VERTICAL POSITION FOR UPPER VOLTAGE READINGS CW FOR LOWER VOLTAGE READINGS CCW SEE ALSO IMPORTANT NOTE ON SWEEP TRIGGER DIAGRAM 2 5 0 V g e V E R T IC A L A M P L I F I E R 503 V R T A M P ...

Page 126: ...5 E line _ C 4 Q 5 C 1 5 7 1 _ l _ V __1 C 4 I 4 B 7 4 5 r B 4 l4 C 990 Q R4I4E5 JO k C 4 I 4 C 1 5 7 J C 4 I 4 E y j9 8 C 4 I 5 5 R 7 4 5 R 4 1 IN P U T A T T E N U A T O R S 4 IN P U T A T T E N U A T O R T Y P E B O 3 O S C IL L O S C O P E S E E P A R T S L IS T F O R E A R L IE R V A LU E S A N D S N C H A N G E S O F P A R T S M A R K E D W IT H B L U E O U T L IN E ...

Page 127: ... E M i K _ 0 4 15 C 1 5 7 t J I _ I 4 IN p U T j A T T E N U A T O R S C A T H O D E C O U P L IN G R E S IS T O R S S E E PAR TS L IS T F O R E A R L IE R V A LU E S AM D S N C H A N G E S O F PA R TS M A R K E D W IT H B L U E O U T L IN E V E R T IC A L A M P L IF IE R A T T E N U A T O R S W IT C H 2 C e 7 ...

Page 128: ...C R T C I R C U I T S E E P A R T S L V A L U E S A N D P A R T S M A R K I O U T L IN E T Y P E 5 0 3 O S C I L L O S C O P E ...

Page 129: ...H P IN 3 V 3 5 W E E p G A T I N G M U L T 1 A E E p G E N E R A T O R D I A G R A M iOl E X T E R N A L IN P U T CRT G R ID O R E A R P A N E L C O N N E C T O R S S E E PARTS L IS T F O R E A R L IE R V ALU E S A N D S N C H A N G E S OF PAR TS M A R K E D W IT H B LU E O U T L IN E CP T C IR C U IT 3 3G4 CALIfep ATOR i ...

Page 130: ...PWR O F F PAR TS M A R K E D W IT H B LU E O U T L IN E E C F S O M A y BE S U B S T IT U T E D T Y P E 5 0 3 O S C IL L O S C O P E VOLT WITH CC LINE VOL TRIGGER ...

Page 131: ... U T E D I VOLTAGE READINGS were obtained WITH CONTROLS SET AS FOLLOWS LINE VOLTAGE 117V60CPS TRIGGER LEVEL SWEEP DISABLED CCW BUT NOT SWITCHED TO AUTO SEE ALSO IMPORTANT NOTE ON sweep trig g e r diagram 266 PO W ER S U P P LY 503 POWER SUPPLY ...

Page 132: ...FIG 1 FRONT ...

Page 133: ...FIG 1 FRONT TYPE 503 OSCILLOSCOPE ...

Page 134: ...FIG 2 SWITCHES ...

Page 135: ...FIG 2 SWITCHES TYPE 503 OSCILLOSCOPE ...

Page 136: ...FIG 3 CRT SHIELD 2 5 A I ...

Page 137: ...FIG 3 CRT SHIELD f TYPE 503 OSCILLOSCOPE ...

Page 138: ...FIG 4 CHASSIS REAI ...

Page 139: ...TYPE 503 OSCILLOSCOPE ...

Page 140: ...FIG 5 CABINET 7 ...

Page 141: ...TYPE 503 OSCILLOSCOPE ...

Page 142: ...00 378 0514 00 378 0567 00 070 0218 01 Serial Model No Eff Disc X2340 3059 3060 7359 7360 Q t y __ 1 2 3 4 5 Description 1 ADAPTER power cord 3 wire to 2 wire 2 ADAPTER binding post 1 FILTER light green 1 FILTER light green 1 FILTER light smoke gray 2 MANUAL instruction not shown TYPE 503 OSCILLOSCOPE ...

Page 143: ...it and component improvements to our instruments as soon as they are developed and tested Sometimes due to printing and shipping require ments we can t get these changes immediately into printed manuals Hence your manual may contain new change inform ation on follow ing pages If it does not your manual is correct as printed ...

Page 144: ...TYPE 503 TENT SN 10170 ELECTRICAL PARTS LIST CORRECTION CHANGE TO V 3 7 1 5 0 3 6 7 0 0 8 1 3 6 V 3 8 4 1 5 0 3 6 7 0 0 8 1 3 6 VV71 1 5 0 3 6 7 0 0 8 1 3 6 Vk8k 1 5 0 3 6 7 0 0 8 1 3 6 M 12 9 9 368 ...

Page 145: ...t y p e 5 0 5 TENT SN 10180 CHANGE TO ELECTRICAL PARTS LIST CORRECTION V33 V3W VUJU V k k k 157 0127 00 157 0127 00 8393 8393 Checked pair Checked pair M13 669 U68 ...

Page 146: ...LJ 6k L h 5 k lh 6 k ELECTRICAL PARTS LIST CORRECTION Page 1 of 2 276 0507 00 276 0507 00 276 0507 00 276 0507 00 SCHEMATIC CORRECTION 0 6 oH 0 6 iH 0 6 uH 0 6 nH w t r _ a f l t A L V E R T C a l P U F i e k M 13 963 568 ...

Page 147: ...Page 2 of 2 TYPE 505 SCHEMATIC CORRECTION P A R T I A L H O R I Z O N T A L A M P L I F I E R M13 963 568 ...

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