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Tektronix 585 Instruction Manual

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NSTRUCT ON
ANUAL
ektronix, Inc.
S.W. Millikan Way
•
ektronix International A.G.
Terrassenweg 1A
•
070-171
This oscilloscope has been improved over in ­
struments manufactured before Serial
The improvements are within the Vertical Ampli ­
fier system and are required by the user of plug ­
in units with type numbers above Type 80. The
improvements can be put into any instrument
before Serial
o. 2585 by ordering Tektronix
Field Modification
o. 040-275. See your local
Tektronix Field Engineer for details and avail ­
ability.
P. O. Box 500
•
Beaverton, Oregon
Zug, Switzerland
•
PH. 042-49192
OTICE
o. 2585.
•
Phone Ml 4-0161
•
Cable: Tekintag, Zug Switzerland
•
Cables: Tektronix
•
Telex 53.574

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  • Page 1 Serial o. 2585 by ordering Tektronix Field Modification o. 040-275. See your local Tektronix Field Engineer for details and avail ­ ability. ektronix, Inc. S.W. Millikan Way • P. O. Box 500 •...

  • Page 2: Warranty

    WARRANTY All Tektronix instruments are warranted against defective materials and workman ­ ship for one year. Tektronix transformers, manufactured in our own plant, are war ­ ranted for the life of the instrument. Any questions with respect to the war ­...
  • Page 3 CONTENTS Warranty Section 1 Characteristics Operating Instructions Section 2 Applications Section 3 Circuit Description Section 4 Maintenance Section 5 Section 6 Calibration Procedure Section 7 Accessories Section 8 Parts List and Schematics...
  • Page 5 SECT ON 1 CHARACTER ST CS istics are given for the Type 585 when used with a Type General 80 Plu g -ln Unit and a Type P80 Probe. DC to approximately 95 Bandpass 1 The Tektronix Type 585 Oscilloscope is a wide range,...
  • Page 6 Characteristics — Type 585 Triggering Signal Requirements External — AC or DC: a signal of ±0.4 volts through 500 kc, increasing to 1 volt at 1 m c , and 2.5 volts at 2 m c . Time Base A Internal —...
  • Page 7 Characteristics — Type 585 Delayed Trigger pulse — approximately 5 volts in amplitude, OTHER CHARACTER ST CS occuring at end of the delay period. Sawtooth A — sweep A sawtooth waveform, approximately Cathode-Ray Tube 150 volts peak-to-peak. Maximum allowable load, 18 k.
  • Page 8 NOTES...
  • Page 9 The Cooling Type 585 can be operated from primary voltages of 110, 117, 124, 220, 234 and 248 volts, 50 or 60 cycles. Figure 2-1 A fan maintains safe operating temperature in the Type...
  • Page 10 ­ seconds after the POWER switch is turned on to allow a tion of the Type 585. The function of many controls is the brief tube warmup period. The delay allows the tubes...
  • Page 11 These four lights allow you to posi ­ tion the spot to the center of the crt even though the in ­ Three controls are used with the Type 585 Oscilloscope tensity is so low that the trace is not visible. When the to allow the trace to be positioned to any point on the crt.
  • Page 12 Type 80 Plug-In Unit through the P80 formation. high-frequency probe. The Type 585, Type 80 Plug-In Unit and P80 Probe make up a basic DC to 95 megacycle system. Accuracy of the deflection factors of any of the attenu ­...
  • Page 13 The compensation should be checked each time an attenuator head is used. The Type 585 Oscilloscope features two independent time The adjustment is made by displaying a square wave with base units: Time Base A and Time Base B. Either of the a risetime of 03 microsecond or faster on the oscilloscope two time bases may be displayed on the c rt at any time.
  • Page 14 Operating nstructions — Type 585 Fig. 2-6. The triggering signal source is selected by the TR GGER NG SOURCE switch. Selecting the Triggering Signal Selecting the Triggering Slope The horizontal sweep can be triggered on either the rising ( + slope) or falling ( — slope) portion of the triggering 1.
  • Page 15 Operating nstructions — Type 585 Trigger Slope Waveforms Obtained Sweep Triggers With The Triggering On + Slope Level Control Set n The - Region Sweep Triggers On — Slope Trigger Slope On — Slope Fig. 2-7. Effects of the TR GGER NG LEVEL and TR GGER SLOPE controls.
  • Page 16 Operating nstructions — Type 585 Fig. 2-8. Effects on the oscilloscope display produced by 4- and — settings of the TR GGER SLOPE switch. necessary to adjust the control for proper triggering. Also Using the STAB L TY and TR GGER NG LEVEL...
  • Page 17 Type 585 with the low level signal. Remove The Type 585 Oscilloscope permits a single sweep pre ­ the right side panel of the oscilloscope. Find R47, the TRIG.

  • Page 18: Delayed Sweep

    Delayed Sweep ZO TAL DISPLAY switch is in the ‘ A' DEL'D by B' posi ­ Using the Type 585 Oscilloscope, the start of the hori ­ tion. The amount of delay occur r i ng after the application zontal sweep can be delayed for a period of from 1 micro ­...
  • Page 19 Operating nstructions — Type 585 light then goes out. If the sweep is triggered immediately To obtain a delayed trigger from either time base, ad ­ at the completion of the delay time, the READY light may just the appropriate time base unit for triggered operation not appear to go on.

  • Page 20: Output Waveforms

    For external use, the Time Base A sawtooth sweep wave ­ form is available at the SAWTOOTH A connector on the The crt display of the Type 585 Oscilloscope can be front panel. This positive going waveform starts at about intensity modulated by an external signal to display addi ­...
  • Page 21 Operating nstructions — Type 585 STAB L TY — Controls stabil- ity of the oscilloscope dis- TR GGER SLOPE — Deter ­ TR GGER NG LEVEL — Sets play. mines whether the sweep is the point of the triggering triggered on the -f- or —...
  • Page 22 NOTES...

  • Page 23: Voltage Measurements

    The figure The Type 585 Oscilloscope can be used to measure the obtained is the actual peak-to-peak voltage. In most cases, voltage of the input waveform by using the calibrated...
  • Page 24 Applications — Type 585 Fig. 3-2. Measuring the peak-to-peak ac component of an applied waveform. When sinusoidal waveforms are measured, the peak-to- ground lead to the chassis, and touch the probe or attenu ­ peak voltage obtained can be converted to peak, rms, or...
  • Page 25 Another method for measuring time intervals involves the the Time Base B TIME/CM or DELAY TIME control. The use of the intensified sweep feature of the Type 585 Oscillo ­ figure obtained is the time interval between the two events.
  • Page 26 The maximum accuracy method of time measurement in ­ ting of the Time Base B TIME/CM or DELAY TIME control. volves the delayed sweep feature of the Type 585 Oscillo ­ The figure obtained can be within 0.2% of the true time of scope.
  • Page 27 TIME/CM controls. For example, When using the Type 585 Oscilloscope for phase measure ­ if the TIME/CM controls are adjusted so that one cycle of ments, it is necessary to supply an external triggering signal the input waveform covers 9 centimeters (see Figure 3-6), to the oscilloscope.
  • Page 28 Applications — Type 585 method 2. However, method 2 provides more accurate results, particularly with small phase angles. Method 1 should be used when moderate accuracy is sufficient and when large numbers of phase measurements are to be made. Method 2 should be used when more precise measurements are required.
  • Page 29 Applications — Type 585 switch in the "A" DEL'D BY “ B" position. Adjust the DELAY ­ TIME MULTIPLIER control so that the sweep starts at the horizontal centerline of the graticule. Record the setting of the DELAY TIME MULTIPLIER control.
  • Page 30 NOTES...
  • Page 31 There are six regulated low voltage power supplies used nstrument Operation in the Type 585 Oscilloscope. These power supplies provide the operating voltages for all circuits except the cathode-ray The simplified block diagram of Figure 4-1 illustrates the tube.
  • Page 32 T ME BASE B TR GGER C RCU T TR GGER NPUT HOR Z. NPUT AMPL F ER AMPL TUDE LOW VOLTAGE TO ALL BLOCKS CAL OUT CAL BRATOR POWER SUPPL ES Fig. 4-1. Type 585 Oscilloscope simplified block diagram.
  • Page 33 Delay-Line Driver stage. R1004, C 1 004 and R1005 details normally disregarded in lower bandpass systems. The Type 585 vertical distributed amplifier has been sta ­ make up the compensating time constant to effectively can ­ bilized by several special methods.
  • Page 34 TRIGGERI G LEVEL control it is possible to determine at for proper operation of Plug-In Units with numbers above which voltage level of the triggering waveform, triggering Type 81. See your local Tektronix Field Engineer for details occurs. and availability.
  • Page 35 Circuit Description — Type 585 Tunnel Diode Operation The theory of operation of tunnel diodes is beyond the scope of this manual. Theory concerning the curves and data presented may be obtained from appropriate reference material.* The tunnel diode Trigger Regenerator diagram is shown in Fig.
  • Page 36 Circuit Description — Type 585 Fig. 4-5. Basic Tunnel Diode Static Currents. (A.) D47 conditions as at point A of Figure 4-4. (B.) D47 conditions as at point D of Figure 4-4. degenerative resistor (long-tailed), the collector current will If the plate current of V34 is maintained at 4.0 ma the increase at the time D47 switches, but will return to its tunnel diode current will remain at point D.
  • Page 37 530 or 540 series The Time-Base Generator A block diagram of Figure 4-7, instruments. The major difference is that the Type 585 Time and the Time-Base Generator A diagram at the back of Base A Miller Runup circuit fastest rate of rise has been this manual should be used during the following discussion.
  • Page 38 Circuit Description — Type 585 cathodes of V173 rises linearly. Any departure from a linear Sweep-Gating Multivibrator rise in voltage at this point will produce a change in voltage at the grid of the Miller Runup tube in a direction to correct The Sweep-Gating Multivibrator operates as a bistable for the error.
  • Page 39 Circuit Description — Type 585 circuits to reach a steady-state condition after the completion switch. These modes of operation are: 1. A' SI GLE of a sweep. SWEEP, 2. 'A' DEL'D BY B ’ , and 3. B ’ I TE SIFIED BY A'.
  • Page 40 Circuit Description — Type 585 and rises to about + 105 volts to gate on the crt beam dur ­ ing a sweep. The unblanking waveform goes directly to WEEP the HORIZO TAL DISPLAY switch, and is connected to the crt circuit in all positions except Time-Base B.
  • Page 41 Circuit Description — Type 585 The quiescent voltage at the junction of D142 and C154 tion ratio. The small time-constant network C340-R340 im ­ proves the start of the waveform at the fastest sweep rates. is approximately — 3 volts. The quiescent voltage on the...
  • Page 42 Circuit Description — Type 585 pulse amplitude is proportional to the slope of the sawtooth, A MAG IFIER neon glow lamp is located on the front and thus proportional to the sweep rate. The pulse first panel immediately below the HORIZO TAL DISPLAY switch;...
  • Page 43 — 150-volt supply. cathode circuit for the Difference Amplifier. Power Transformer Delayed Trigger Multivibrator Plate and filament power for the tubes in the Type 585 The Delayed Trigger Multivibrator receives a de coupled signal from the Difference Amplifier. With the sawtooth is furnished by a single power transformer, T601.
  • Page 44 50-60 cycles, when the line voltage has less than about as full-wave rectifiers for the 4-225-volt supply, with their 3 to 5% distortion of the waveform peaks. All Type 585 center lead connected to the +1 80-volt unregulated supply.
  • Page 45 A transistorized 4-12.6-volt d c regulator supplies voltage voltage tripler circuit, V832, V842 and V852, provides + 8650 for use within plug-in units of the Type 585 Oscilloscope. volts for the post deflection accelerator anode. The two supplies provide a total accelerating voltage of 10,000 Rectified voltage from terminals 33 and 34 of T601 is volts.
  • Page 46 The ground currents in this case are usually de ­ veloped in the ac power line third wire grounding system when the Type 585 and the other instrument chassis are The AMPLITUDE CALIBRATOR is a square-wave generator producing an output at approximately 1 kc which is avail ­...
  • Page 47 Recalibration down in solution until grease or dirt is loosened and floated off. The Type 585 is a stable instrument and will provide many (3) Rinse filter and let dry. hours of trouble-free operation. To insure the reliability of measurements obtained we suggest that its calibration be...
  • Page 48 If you are responsible for the maintenance of a large about 3% silver. number of Tektronix instruments, or if you contemplate fre ­ 4. Apply one corner of the tip to the notch where you quent parts changes, we recommend that you keep on hand wish to solder (see Fig.

  • Page 49: Removal And Replacement Of Parts

    Two distinct types of ceramic strips have been used in Instructions for the removal of certain parts are contained Tektronix instruments. The earlier type is mounted n the in the following paragraphs. Because of the nature of the chassis by means of #2-56 bolts and nuts. The later type...

  • Page 50: Replacement Parts

    Single wafers are normally not replaced on the switches used in the Type 585. If one wafer is defective Fig. 5-8. Two types of ceramic strip mountings. the entire switch should be replaced.

  • Page 51: Troubleshoot Ng

    C RCU T TROUBLESHOOT NG not the oscilloscope. Although the Type 585 is a complex instrument, it can be Tube failure is the most prevalent cause of circuit failure. thought...
  • Page 52 VERT CAL AMPL F ER CATHODE RAY TUBE OUTPUT STAGE DELAY L NE REGULATED F LAMENTS VERT CAL AMPL F ER PLUG- N UN T DELAY UNE POWER SUPPLY DR VER STAGE Fig. 5-9. Physical location of circuits which compose the Type 585 Oscilloscope.
  • Page 53 Maintenance — Type 585 Set the front-panel controls as follows: normal, the trouble can be: open signal connections, no signal source, the plug-in, the probe, or even loose c rt con­ A' STABILITY fully clockwise nections. 'A' TRIGGERI G LEVEL The material that follows contains information for trouble ­...
  • Page 54 .2 VOLTS of Calibrator signal. It will be necessary display can be centered vertically, rotate the HORIZO TAL now to turn the Type 585 STABILITY control into the trigger ­ POSITIO control from one extreme position to the other.
  • Page 55 The slight dip in amplitude about 25 the gain of the circuit but not the d c balance. Such com ­ nseconds after the rise appears in most Type 585 Oscillo ­ ponents are the common cathode resistors; the Gain Adj.
  • Page 56 To check for cathode interface, display a fast-rise square wave. It will be necessary to use a variable line voltage autotransformer between the power line and the Type 585. A. 60 cycles as measured at TR GGER SLOPE switch Adjust the line voltage to a value between 120 and 125 side of R27.
  • Page 57 Maintenance — Type 585 manner in which it is held may be determined by measur ­ together at the neck pins of the crt in the manner explained ing the voltage at the SAWTOOTH A binding post. for troubleshooting the Vertical Amplifier. The horizontal...
  • Page 58 Thermal Cutout Switch is open.) An excellent aid to calibration of the Delay Pickoff cir ­ cuit is a Tektronix Type Z Plug-In Unit used in the test If both the fan and pilot lamp come on, the power trans ­...
  • Page 59 Maintenance — Type 585 In addition, the time needed for these capacitors to dis ­ make sure that the line voltage is set near the design center charge a given amount is affected by the potential toward for your instrument (117 or 234 v) and check the rms voltage which they discharge;...
  • Page 60 Maintenance — Type 585 C806. R806-C806 are located on the ceramic terminal strip near the post that supports the front of the shield. The voltage at this point should measure about — 65 volts. WAR I G Do not let your hand or body touch the chassis when making this check.
  • Page 61 3. Variable line-voltage auto-transformer (e.g. Powerstat or Variac) having a rating of at least 7.5 amperes for 117 The Type 585 Oscilloscope is a stable instrument and volts and 4 amperes for 234 volts. should not require frequent calibration. However, it will be necessary to recalibrate certain parts of the instrument when 4.
  • Page 62 PRESET bandpass of at least d c to 30 m c . TRIGGER SLOPE A 17. In the event the calibration of the Type 585 must be TRIGGERI G SOURCE A I T. done in a brightly lighted room, a crt viewing hood (such TIME/CM A .5 MILLISEC...
  • Page 63 Unlatch the delay line and swing it out. from the Type 585 and the test oscilloscope. Remove V 1 284 and loosen the crt base clamp (see Fig. 6-5). With the left hand carefully rotate the crt and socket in the direction which will align the trace with the centerline.
  • Page 64 Set the shield voltage at +3 00 volts. Complete step #8 now, and then return to complete the adjustment Fig. 6-4. Top view of the Type 585 Oscilloscope showing the loca ­ of the VERT. SHIELD VOLTS ADJ. control.
  • Page 65 DELAY L NE DELAY L NE LATCH VERT. GA N ADJ. Fig. 6-5. Left side view of the Type 585 Oscilloscope, before Serial No. 2585, showing the location of important items. TIME/CM .5 MILLISEC Having adjusted the GEOMETRY control as in step 8, set the CALIBRATOR signal to produce one centimeter of deflec ­...
  • Page 66 Calibration Procedure — Type 585 Fig. 6-6. Top view of the Type 585 Oscilloscope with vacuum tube trigger regenerator showing the location of internal adjustment controls. — 11 1 1 1 1 i i i 1 1 1 • •...
  • Page 67 Calibration Procedure — Type 585 that have been operating in the instrument for at least 10 hours. Tubes of the entertainment type drift a little during the first hours of life. Aging new tubes in the instrument on the test bench can increase the time between required recalibration periods of the Type 585.
  • Page 68 Calibration Procedure — Type 585 Fig. 6-10. Left rear side view of the Type 585 Oscilloscope, after Serial No. 2585, showing changes in vertical system. Fig. 6-11. Elevating cathodes of V1014 by applying +100v to R1013. Be very careful to avoid grounding -f-100vsupply.
  • Page 69 Calibration Procedure — Type 585 permit both proper focusing and compression or expan ­ B. In the Output Amplifier stage the cathodes of all sion better than that described above. When changing tubes are at about + 100 volts. These tubes can be...
  • Page 70 In instruments before Serial o. 2585, place the oscillo ­ junction of R13 and R14 (see Fig. 6-13). Adjust the Type 585 scope in the upright position. Set the AMPLITUDE CALI ­ 'A' TRIGGERI G LEVEL control to position the trace on the BRATOR control at .2 VOLTS and connect the P80 Probe to...
  • Page 71 P80 Probe, nor at .1 VOLTS externally. (Same values apply reference. when using a TU-3 or a Type 84.) With no triggering signal present, set the Type 585 'A' TIME/CM switch to .5 MILLISEC, and the STABILITY control 21. Check Line Trigger to its triggerable position.
  • Page 72 11 volts more positive than the original setting when the rise, replace Q44, the TRIGGER AMPLIFIER. If you do not Type 585 HORIZO TAL DISPLAY switch was in the I TER ­ have an Amperex OC171 or a 2 1516 on hand, a 2 544 AL SWEEP position.
  • Page 73 Calibration Procedure — Type 585 SWEEP LENGTH Fig. 6-17. Right side view of the oscilloscope showing the location of the ‘ B ’ TR G. LEVEL CENTER NG adjustments and test points. 6-13...
  • Page 74 Connect a 10X probe from the test oscilloscope to the you make the adjustments in the proper sequence. junction of R64 and R65 (see Fig. 6-17). Adjust the Type 585 'B' front panel TRIGGERI G LEVEL control to position the trace on the test oscilloscope at the zero reference line.
  • Page 75 Calibration Procedure — Type 585 Fig. 6-18. Top view of the oscilloscope showing the location of internal adjustments. Before Serial No. 2585. Fig. 6-19. Top view of the oscilloscope showing the location of internal adjustments. After Serial No. 2585. 6-15...
  • Page 76 Calibration Procedure — Type 585 REGIS, control (see Fig. 6-15) so the first marker again falls NOTE To calibrate the time-base circuits accurately all behind the vertical centerline. You may use the AMPLI ­ timing adjustments are made on the basis of time TUDE CALIBRATOR signal as shown in Figure 6-20.
  • Page 77 Calibration Procedure — Type 585 trace so that the beginning time marker is aligned with the mately 3.5 and 10.5 centimeters. If the sweep length range is incorrect, substitute resistance values for R277 and R278 center graticule line. Then set the TIME/CM switch at 50 μ...
  • Page 78 Calibration Procedure — Type 585 Adjust the DELAY-TIME MULTIPLIER control exactly 8.00 marker of the graticule. Then observe or record the number divisions higher (the dial will be near 9.00) than the recorded of minor divisions that the DELAY-TIME MULTIPLIER control is offset from the 1.00 position.
  • Page 79 Calibration Procedure — Type 585 Properly adjusted vertical. R1293 maladjusted. R1293 maladjusted. C 1 209 maladjusted. C1006 maladjusted. C 1 26 0 maladjusted. C1214 maladjusted. μ Fig. 6-21. Type vertical amplifier response waveforms. All taken at sweep rate of .05 sec/cm, using a Type 84 pulser.

  • Page 80: Set The Amplitude

    Delay Start and Delay Stop controls as in step 38. crt is replaced. 1. Set the Type 585 oscilloscope TIME/CM to .05 μ SEC. The TRIGGER SLOPE to + and the TRIGGERI G SOURCE to 42. Adjust External Horizontal DC Balance I T.
  • Page 81 Type 80 Plug- n Unit (after Type 80 Serial No. 3390) Set its frequency between 20 kc and 25 kc. Set the Type 585 'A' TIME/CM switch at 10 μ SEC and adjust the trigger ­ The calibration procedure for proper adjustment of the ing for a stable display.
  • Page 82 Calibration Procedure — Type 585 Fig. 6-24. Waveforms obtained using a modified Type 107 (see text) when adjusting the output distributed amplifier high-frequency compensations. Oscilloscope before Serial No. 2585. Fig. 6-23. Effects caused by misadjustment of the attenuator head, (B) probe or (C) L8085.
  • Page 83 Fig. 6-26. Measurement of vertical risetime; sweep rate; .01 /zSEC/ This risetime measurement is a combination of the risetimes of the Type 107 Square-Wave Generator and Type 585 Oscillo ­ scope before Serial No. 2585. to rise from 0.2 to 1.8 centimeters (the 10% to 90% points) should be not longer than 4 nseconds.
  • Page 84 NOTES...
  • Page 85 XOOO Port first added at this serial number. OOOX Part removed after this serial number. * 000-000 Asterisk preceding Tektronix Part umber indicates manufactured by or for Tek ­ tronix, also reworked or checked components. (Mod. w/ ) Simple replacement not recommended.

  • Page 86: How To Order Parts

    HOW TO ORDER PARTS Replacement parts are available through your local Tek ­ tronix Field Office. Improvements in Tektronix instruments are incorporated as soon as available. Therefore, when ordering a replacement part it is important to supply the part number including any suffix, instrument type, serial number, plus a modification number where applicable.
  • Page 87 PARTS L ST Tektronix Part No. *000-000 Asterisk preceding Tektronix Part umber indicates man ­ ufactured by or for Tektronix, also reworked or checked com ­ ponents. Bulbs Tektronix Part umber 150-002 B 1 29 eon, Type 150-002 B160W eon, Type...
  • Page 88 C 1 87 281-508 ±0.6 μμf 500 v Fixed Cer. 12 μμf C 1 90 283-002 500 v Fixed Cer. .01 μf C 1 93 283-000 500 v Fixed Cer. .001 μf C 1 96 © PARTS L ST — TYPE 585...
  • Page 89 Fixed 500 v ±9.4 μμ f C454 47 μμf Cer. 283-001 Fixed 500 v C457 .005 μf Cer. 283-004 Fixed 150 v C601 .02 μf Cer. 285-510 400 v C610 .01 μf Fixed PARTS L ST — TYPE 585 ®3...
  • Page 90 500 μμ f Cer. Fixed C833 607-up Use 281-556 Fixed 10,000 v C834 101-606 .00047 μ f 281-556 10,000 V 500 μμ f Cer. Fixed C834 607-up 281-556 Fixed 10,000 V 500 μμ f Cer. C836 PARTS L ST — TYPE 585...
  • Page 91 400 v 285-537 Fixed C 1 106 X3763-up .5 μ f 600 v 283-006 C 1 107 .02 μ f Cer. Fixed Fixed 500 v 283-001 C 1 204 101-2584 .005 μ f Cer. ®j PARTS L ST — TYPE 585...
  • Page 92 3 amp 3AG Slo-Blo (for 50-cycle operation) 234 v oper. F 1 210 159-049 F 1 260 > X3763-up .15 Fast-blo/Pig tails F 1 285 Relays 148-002 K600 Amperite 6 045T 148-012 K601 Relay PARTS L ST — TYPE 585...
  • Page 93 2 x 100 k 303-563 Comp. X1071-1849X 56 k Fixed 316-470 Fixed Comp. 47 Ω ¼ W 302-470 Fixed Comp. 47 Ω ½ W *R17, R1 10 concentric with SW110. Furnished as a unit. ©i PARTS L ST — TYPE 585...
  • Page 94 ½ W Fixed Comp. 302-470 X924-up 47 Ω Fixed ½ W Fixed Comp. 306-333 33 k Comp. 302-470 47 Ω ½ W Fixed X924-up *R67 concentric with R210, SW210. These components furnished as a unit. PARTS L ST — TYPE 585...
  • Page 95 10 k ½ W 304-183 Fixed Comp. 18 k R148 302-470 Fixed Comp. 47 Ω R149 ½ W 302-271 Fixed Comp. 270 Ω ½ W R150 *R17, R110 concentric with SW110. Furnished as a unit. PARTS L ST — TYPE 585...
  • Page 96 Comp. R221 100 Ω 302-101 Fixed Comp. ½ W R230 Fixed 304-223 22 k Comp. R232 100 Ω Fixed Comp. 302-101 ½ W *R210 concentric with R67, SW210. Furnished as a unit. 8-10 ©T PARTS L ST — TYPE 585...
  • Page 97 306-333 R314 101-919 10 k Var. Comp. 311-147 R314 920-up 15 k Var. Comp. 311-112 R315 33 k Fixed Comp. 306-333 R317 100 k Var. Comp. 311-026 **Selected to provide correct sweep length. 8-11 PARTS L ST — TYPE 585...
  • Page 98 12 k ½ W Fixed Comp. 302-123 R421 100 Ω Fixed Comp. ½ W 302-101 R424 10 k Comp. ½ W Fixed 302-103 * R333 and R338 are concentric. Furnished as a unit. 8-12 ®2 PARTS L ST — TYPE 585...
  • Page 99 R640 306-100 Fixed Comp. R641 10 Ω 304-563 Fixed Comp. R642 56 k 302-102 Fixed Comp. ½ W R643 302-102 Comp. Fixed R644 ½ W 308-053 Fixed R646 308-037 25 W Fixed R647 8-13 PARTS L ST- -TYPE 585 ®i...
  • Page 100 Fixed ½ W 10 Ω R760 308-113 Fixed R767 302-104 Comp. Fixed ½ W 100 k R770 302-104 Comp. Fixed ½ W 100 k R772 302-104 Comp. Fixed ½ W 100 k R773 PARTS L ST — TYPE 585 8-14...
  • Page 101 68 k ½ W Fixed Comp. 302-683 R876 302-102 ½ W Fixed Comp. R878 33 k Fixed Comp. 304-333 R879 10 k Var. Comp. 311-016 R880 100 k 302-104 ½ W Fixed Comp. 8-15 PARTS L ST — TYPE 585...
  • Page 102 Prec. 310-533 ½ W R1092 100 Ω Fixed Comp. 302-101 R1093 ¼ W 101-1070X 47 Ω Comp. 316-470 Fixed R1094 4.7 k Fixed Comp. 304-472 ½ W R1095 12 k Fixed Comp. 302-123 8-16 PARTS L ST — TYPE 585...
  • Page 103 ½ W Prec. R1290 180 Ω Fixed X2585-up ½ W 309-072 180 Ω Fixed Prec. R1291 X2585-up 302-471 ½ W Comp. R1292 X2585-up 470 Ω Fixed 311-074 Var. R1293 X2585-up .1 W 8-17 ®1 PARTS L ST — TYPE 585...
  • Page 104 Thermal Switch Vacuum Tubes 154-212 6EW6 154-212 6EW6 154-187 101-1070X 6DJ8/6922 154-187 101-1070X 6DJ8/6922 6DJ8/6922 154-187 154-187 6DJ8/6922 154-022 VI 14 6AU6 154-022 VI 25 6AU6 154-187 VI 33 6DJ8/6922 154-187 6DJ8/6922 VI 35 8-18 PARTS L ST — TYPE 585...
  • Page 105 T581 (CRT) P31 V859 154-051 5642 V862 154-022 V875 6AU6 154-041 12AU7 V885 154-187 6DJ8/6922 V 1 014 154-187 6DJ8/6922 V 1 024 154-187 6DJ8/6922 V 1 034 154-187 6DJ8/6922 V 1 044 8-19 PARTS L ST — TYPE 585...
  • Page 106 V 1 224 6DJ8/6922 154-187 154-187 V 1 234 6DJ8/6922 154-187 V 1 244 6DJ8/6922 154-187 V 1 254 6DJ8/6922 154-209 V 1 284 101-638 6939 V 1 284 154-281 639-up AX-1 93/7699 8-20 PARTS L ST — TYPE 585...

  • Page 107: Mechanical Parts List

    Type 585 Mechanical Parts List Tektronix Part umber A GLE, FRAME, RIGHT BOTTOM 101-942 122-050 A GLE, FRAME, EXTRUDED, RIGHT BOTTOM (BLUE VI YL) S 943-3479 122-071 A GLE, FRAME, EXTRUDED, RIGHT BOTTOM (BLUE VI YL) S 3480-up 122-104 A GLE, FRAME, LEFT BOTTOM...
  • Page 108 Mechanical Parts List (c ntinued) Tektronix Part umber CABLE HAR ESS, DELAY SW. # 1 101-923 179-318 179-434 CABLE HAR ESS, DELAY SW. 924-up 101-3762 179-329 CABLE HAR ESS, V. A. CABLE HAR ESS, V. A. 3763-up 179-731 CABLE HAR EES, F & 1 #1...
  • Page 109 Mechanical Parts List (c ntinued) Tektronix Part umber ECTOR, CHASSIS MT., COAX (CAL OUT) 131-064 ECTOR, CHASSIS MT., COAX, 1 CO TACT FEMALE (UHF) 131-081 CORD, POWER 161-010 ECTOR, CHASSIS MT., 3 WIRE, MALE (TEK MOTOR BASE) 131-102 ECTOR, CABLE, A ODE ASS'Y 131-086 COUPLI G, 1"...
  • Page 110 Mechanical Parts List (c ntinued) Tektronix Part umber 210-004 LOCKWASHER, I T. #4 LOCKWASHER, EXT. #6 210-005 210-006 LOCKWASHER, I T. #6 210-007 LOCKWASHER, EXT. #8 LOCKWASHER, I T. #8 210-008 LOCKWASHER, EXT. #10 210-009 210-010 LOCKWASHER, I T. #10 LOCKWASHER, I T.
  • Page 111 Mechanical Parts List (c ntinued) Part umber Tektronix UT, HEX, ’ / 4 -32 x % 6 x ” / 32 (MI IATURE POT) 210-471 UT, 12 SIDED, ' % 2 -32 x % 4 (SWITCH) 210-473 UT, HEX, 6-32 x 5 / 16 x .194 (5-1 Ow RESISTOR MTG.)
  • Page 112 Mechanical Parts List (c ntinued) Tektronix Part umber 354-103 RI G, CLAMPI G ROD, ALUM., SPACI G, V 4 x3'/ e , TAPPED 6-32 BOTH E DS 384-135 384-162 ROD, STEEL EXTE SIO , % x 8 7 /, 6...
  • Page 113 SHIELD, SWEEP AMPLIFIER, .051 x 2 x 4% SHIELD, UPPER CAL., .040 x 1 3 / 4 x 1 5 / 16 337-290 337-291 SHIELD, LOWER CAL., 2% x 2% x 1 ’ / 16 8-27 PARTS L ST — TYPE 585...
  • Page 114 Mechanical Parts List (c ntinued) Tektronix Part umber SHIELD, CRT 337-301 SHOCKMOU T, RUBBER, ’ / 2 DIA. x ’ / 2 HIGH 348-008 SOCKET, GRATICULE LAMP 136-001 SOCKET, STM7G 136-008 SOCKET, 7 PI X3170-up 136-010 SOCKET, STM8, GROU D...
  • Page 115 Mechanical Parts List (c ntinued) Tektronix Part umber 210-801 WASHER, STEEL, 5S x ’ / 32 x .025 210-802 WASHER, STEEL, 6Sx 5 / 16 x.O28 210-803 WASHER, STEEL, 6L x % x .032 210-804 WASHER, STEEL, 8S x % x .032 210-805 WASHER, STEEL, 10S x 7 / 16 x .036...
  • Page 116 TYPE 565 OSCILLOSCOPE...

  • Page 117: Block Diagram

    4-27-62 & BLOCK DIAGRAM...
  • Page 118 TRIGGERI G SOURCE SWITCH Top View 581/585...
  • Page 119 SWITCH DETAIL TR GGER D FFERENCE TYPE 565 OSCILLOSCOPE...
  • Page 120 TR GGER REGENERATOR TR GGER PULSE TO GR D,P N2J V 35A (T ME-BASE GEN. D AG.) SEE. PARTS L ST FOR EARL ER VALUES AND S/N CHANGES OF PARTS MARKED W TH RED T NT BLOCKS 5 — 7-62 *-®L.
  • Page 121 (VERT. . SW2O AMP. DELAY L NE DR VER) TR GGER SLOPE EXTERNAL TR GGER NG TR GGER SOURCE NTERNAL TR G. S G. FROM V O93A, P N 3 (VERT. AMP. DELAY L NE DR VER) TYPE 585 OSCILLOSCOPE...
  • Page 122 --------- TR GGER REGENERATOR ------- ► DECOUPL NG NETWORK "1 TR GGER AMPL F ER + OOV decoupled + 225V 68 K 4-99.5 4-1 00.5 + OOV OC/71 decoupled 5V/CM (SEE T ME-BASE GEN. D AG.) ” 5V/CM + OOV decoupled see time base gen...
  • Page 123 TYPE 585 OSCILLOSCOPE...
  • Page 124 U BLA KI G CF + 225V 04-21 TIME-BASE GE ERATOR A C RCU T NUMBERS 100 THRU 199...
  • Page 125 TO CATH., P N 8, V 83A RUNUP CF HOLD-OFF CF (T ME-BASE GEN. D AG.) (T ME-BASE GEN. A D AG.) SEE PARTS L ST F VALUES AND S/N C PARTS MARKED W T NT BLOCKS TYPE 585 OSCILLOSCOPE...
  • Page 126 JS 3$8,V 73 TO GR D, PlN9,Vlfel M LLER RUNUP TUBE P CF (T ME-BASE GEN. A D AQ.) ; GEN. D AG.) TIME-BASE A TIMI G SWITCH A A,...
  • Page 127 OO V/CM TYPE 58 5 OSCILLOSCOPE...
  • Page 128 TR GGER MULT V BRATOR 4'20'62 TIME-BASE TRIGGER C RCU T NUMBERS 50 THRU 99...
  • Page 129 TYPE 585 OSCILLOSCOPE...
  • Page 130 M LLER RUNUp C RCU T 'IKI G CF SEE PARTS L ST FOR. EARL ER VALUES ANO S/N CHANGES OF PARTS MARKED W TH RED T NT BLOCKS -4 -Z0^62 TIME- BASE B GE E gATOg C RCU T numbers 210 THRU 299...
  • Page 131 TO CATH..PI 3, V2B3A TO CATH., PI 8,V283B HOLD-OFF CF RU UP CF (TIME-BASE GE , B DIAG.) (TIME-BASE GE .BDIAG.) L ____________ TIMI G __________ L _______________ MOLD- OFF ______________ “ “ CAPACITORS A P AC I TORS “ TYPE OSCILLOSCOPE AA t...
  • Page 132 4., PI 8,V2B3B TO GRID, PI I, V24I UMUP MILLER. RU UP TUBE. >ASE GE . B DIAG.) (TIME-BASE GE - B DI AG.) R26OF IO.IM R2£»OE 6.O6M R2GOD _ TIMI ___ TIMI G ____ RESISTORS CAPACITORS 5-B«G2 B T M NG SW TCH SEE PARTS LIST FOR EARLIER T ME-BASE VALUES A D 5/...
  • Page 133 TYPE 585 OSCILLOSCOPE...
  • Page 134 SEE. PARTS L ST FOR EARL ER VALUES AND S/N CHANGES OF PARTS MARKED W TH RED T NT BLOCKS HOR ZONTAL AMPL F ER external C RCU T NUMBERS 300 THRU 325 Gi^e> 4 - zs -ei...
  • Page 135 R311 R303 HORIZO TAL DISPLAY SWITCH Right ide View...
  • Page 136 SWITCH DETAIL NPUT DR VER AMPL FOR ADD T ONAL SW TCH DETA LS SEE! CRT D AGRAM 5W347A DELAY P CKOFF R364 + 3SOV (DEC.) R3B4- WAVEFORMS $ VOLTAGE. READ NGS WERE OBTA NED UNDER FOLLOW NG COND T ONS: DECOUPLI G HOR ZONTAL POS T ON: ETWORK...
  • Page 137 OUTPUT CF'S DR VER OUTPUT AMPL F ER 4 MF CAPACITA CE DRIVER SEE PARTS L ST FOR EARL ER VALUES AND S/N CHANGES OF PARTS MARKED W TH RED T NT BLOCKS 4^20'62 HORIZO AMPLIFIER CIRCUIT UMBERS 330 THRU 399...
  • Page 138 L ____________ DE LAV U ------------------------------------------ D FFERENCE AMPL F ER. MU L SW 301 SW 347 A GANGED SW TCHES'LL^ HOR ZONTAL D SPLAY HOR ZONTAL D SPLAY FOR ADD T ONAL SW TCH DETA LS FOR ADD T ONAL SW TCH DETA LS SEE:- T ME-BASE GEN.
  • Page 139 L ___________ DELAYED TR GGER. ___________ J TR GGER MULT V BRATOR amplifier HOR ZONTAL D SPLAY >R ADD T ONAL SW TCH DETA LS •E'.- T ME-BASE GEN. A D AG. EXT. HOR Z. AMP. D AG- SEE PARTS L ST FOR EARL ER BLOCK.
  • Page 141 * FERR TE BEAD (PARAS T C SUPPRESSOR) SEE PARTS L ST FOR BAR.L ER. VALUES AND S/N CHANGES OF PARTS MARKED W TH RED T NT BLOCKS 1-5-63 VERTICAL AMPLIFIER DELAY LI E DRIVER C RCU T NUMBERS 1000 THRU 1199...
  • Page 142 TYPE 585 OSCILLOSCOPE...
  • Page 143 _ _C 243 VOLTAGE READI GS WERE OBTAI ED W TH CONTROLS SET AS FOLLOWS: NPUT S GNAL HOME STAB L TY POS T ON . . . TRACE CENTERED ALSO SEE MPORTANT NOTE OMTlME-BASE TR G. D AG- SEE PAfLTS L ST FOR. EAR.L EJi VALUES AND S/N CHANGES OF PARTS MAR-KED W TH R.ED T NT BLOCKS...
  • Page 144 TERM. S TERM. 34 + 12. 4>V TO TERM. 15 PLUO- M COMMECTOR REGULATED HEATER SUPPLY POWER SUPPLY CHASS S 2-3-63 HEATER W R NG D AGRAM TYPE OSC LLOSCOPE B/M S763- UP...
  • Page 145 VOLTAGE READ NGS WERE OBTA NED UNDER FOLLOW NG COND T ONS: SEE PARTS LIST FOR EARLIER VERT CAL NPUT S GNAL. VALUES A D S/ CHA GES OF TR GGER NPUT S GNAL . . . NONE PARTS MARRED W TH RED T NT BLOCKS L NE VOLTAGE ....
  • Page 146 TO TERM. 15 OF PLUG- N CONNECTOR POV/ER SUPPLY CHASS S A-JO-61 HEATER WIRI G DIAGRAM TYPE 56S OSC LLOSCOPE S/N 0 -S76S...
  • Page 147 T8O/ R645 TYPE OSCILLOSCOPE...
  • Page 148 5W347A A' 20'62 StE. PARTS L ST FOR EARL ER VALUES AND S/N CHANGES OF CIRCUIT PARTS MARKED V/1 TH RED T NT BLOCKS CIRCUIT UMBERS 800 THRU Sfe9 ALSO SW34OA...
  • Page 149 CAL BRATOR. MULT V BRATOR- + OOV WAVEFORM £ VOLTAGE READING were OBTA NED UNDER. FOLLOW NG COND T ONS: AMPL TUDE CAL BRATOR..............ON ALSO SEE MPORTANT NOTE ON T ME-BASE A TR G. - BOV TypE 565 OSGILLOSGOpE...
  • Page 150 CAL. OUT 4, 20' 62 CALIBRATOR. C RCU T NUMBfcR-Gl 870 THRU 89S...
  • Page 151 MANUAL CHANGE NFORMAT ON At Tektronix, we continually strive to keep up with latest electronic developments by adding circuit and component improvements to our instruments as soon as they are developed and tested. Sometimes, due to printing and shipping require ­...

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