Page 1 IV I/V IM U A L . Serial N u m b e r y w ' t III P :; rfjflfp U -ttll! ■ S H P H H I i :mmh ' j > . ' • . / ■ » « . ■ ; ■ ■ . ;...
Page 2 ..IR 'v % y . . : ; V : , ■ A ll Tektronix instruments are warranted against defective materials and workman- ship for one year. Tektronix transformers, ■ I f k i ^ ■...
Page 3: Table Of Contents
T ype 324 TABLE OF CONTENTS First Time Operation SECTION 1 TYPE 324 SPECIFICATION PAGE General Introduction Operating the Vertical Controls 2-10 Electrical Characteristics Operating the Horizontal Vertical Deflection System Controls 2-12 Triggering Operating the Trigger Controls 2-12 Horizontal Deflection System...
Page 4 TABLE OF CONTENTS (cont) Vertical Output Amplifier SECTION 4 MAINTENANCE Block Diagram Description Introduction Detailed Description Cabinet Removal Trigger Generator Preventive Maintenance General General Information Block Diagram Description Cleaning Protection and Source Visual Inspection Follower Circuits Lubrication Comparator Amplifier Transistor Checks Trigger Multivibrator Recalibration Sweep Generator...
Page 5 Type 3 2 4 TABLE OF CONTENTS (cont) Parts Ordering Information SECTION 5 PERFORMANCE CHECK/CALIBRATION Index of Electrical Parts List Introduction Electrical Parts List Test Equipment Required General SECTION 7 ELECTRICAL DIAGRAMS AND Test Equipment ILLUSTRATIONS FOR MECHANICAL Accessories PARTS-ACCESSORIES— REPACK AG ING Adjustment Tools Symbols and Reference Designators Short-Form Procedure and Index...
Page 6 • Y .'Y : i " ; Y Y Y ' : Y ;: ; ' ' / ' Y Y / Y d ' " : : e ll :' ■ ■ • " m**.: -P. ••-•-..■ > Fig. 1-1. Type 324 Oscilloscope. Type 324...
Page 7: Type 324 Specification
The Sony/Tektronix Type 324 Oscilloscope is a solid- state portable instrument that combines small size and light The Type 324 can be operated from any one of three weight with the ability to make precision waveform meas power sources; AC line, external DC, or internal recharge...
Page 8: Triggering
Specif ication—T ype 324 Characteristic Performance Requirement Characteristic Performance Requirement 0.4 microseconds, or less, to stabil —15°C to + 55°C External Trigger ize after a signal change at the Input V E R T INPUT connector equivalent One megohm ±2% paralleled by 62 RC Characteristics to +30 or —30 divisions of deflec...
Page 9: Calibrator
Specification—T yp e 3 2 4 Signal millivolts applied EXT TRIG OR HORIZ INPUT con- Verification Points nector (EXT TRIG OR HORIZ AT- Vertical deflection TEN set to I X ; increase signal (n divisions Typical — 3 dB Points 10 times for 1 0 X switch position) r r M 500 mV 375 mV...
Page 10: Cathode-Ray Tube (Crt)
Six 1.8 ampere-hour size C nickel- test. Complete details on environmental test procedures, cadmium cells. including failure criteria, etc., may be obtained from Tek tronix, Inc. Contact you local Tektronix Field office or Charge time (Power A t least 16 hours. representative.
Page 11: Mechanical Characteristics
Description Construction STANDARD ACCESSORIES Aluminum alloy. Chassis Standard accessories supplied with the Type 324 are Panel Aluminum alloy with anodized fin listed on the last pull-out page of the Mechanical Parts List ish. illustrations. For optional accessories available fo r use with this instrument, see the current Tektronix, Inc.
Page 12 Handle extended 13 inches (33.02 centimeters). STANDARD ACCESSORIES Handle not 10 5/8 inches (27.05 centimeters). Standard accessaries supplied with the Type 324 are extended listed on the last pull-out page of the Mechanical Parts List illustrations. For optional accessories available for use with Net Weight Approximately 6 3/4 pounds (3.06...
Page 13: Operating Instructions
General Setting the Power Pack switch to either T R IC K L E CHG To effectively use the Type 324, the operation and capa or FU LL CHG connects the internal battery to the front- bilities of the instrument must be known. This section...
Page 14 Operating Instructions— Type 324 Blk on wht Interconnecting leads Grn on wht Fuse location; pull Low Line terminals cover straight down to expose fuse; align High Line terminals cover detents and fuse mounting base when replacing cover Securing dam p 1 §...
Page 15: Charging
Remove the cover-securing screw from the back of the case. See Fig. 2-1 A. Although the batteries contained in the Type 324 Oscilloscope are charged before packaging, they should re charge for 16 hours at a FULL CHG rate when put into Grip the fro n t edge of the oscilloscope with one hand, service.
Page 16: Storage
Type 324 Oscilloscope, and are used during routine current from the strong cells. oscilloscope operation. All other controls are inside the covers.
Page 17 Operating Instructions— Type 324 «gp» ■ ■ ■ ■ ■ ■ ■ ; . v ' ' • •: ..x . : x .., V ... ■ - » llPPP! S ? -< : •...
Page 18 Operating Instructions—Type 3 2 4 and LOW BATT lamp operation. D IV ) is set to CAL and the X5 Flashing during E X T DC operation H O R IZ MAG is pushed in. When indicates that the power input is be the T IM E /D IV switch is in the EXT H O R IZ position and the Trig/Horiz low 6.5 V .
Page 19: Top Panel
Operating Instructions—T yp e 324 Top Panel tical center; selects negative (—) slope triggering level when FOCUS Thumbwheel accessible through top knob's indicator spot is to the right panel. Adjusts CRT electron beam of vertical center. The indicator for optimum display sharpness.
Page 20: Right Side Panel
T R IC K L E Same conditions exist as for FU LL CHG, except that the charging rate Standard accessories included with the Type 324 Oscillo re d u c e d . C o u n te ra c ts self...
Page 21: First Time Operation
BNC-female connector; for example, connecting Specifications section of this the Type 324 Oscilloscope CAL O U T jack to the T R IG OR manual. H O R IZ INPUT or the V E R T IN PU T connectors.
Page 22 Operating Instructions—Type 3 2 4 TYPE 324 TEST SETUP CHART FOCUS INTENSITY T IM E /D IV ACLF LOW BATT POWER POSITION VERT GAIN H0RIZ MAG PULL p u u TYPE 3 2 4 OSCILLOSCOPE AUTO S O N Y r l E K T H O N...
Page 23: Operating The Vertical Controls
Operating Instructions—Type 324 available. Turn the POWER switch ON. Check that the LOW BATT indicator does not flash. 3. Observe that a square wave appears on the face of the cathode ray tube (CRT). Readjust INTENSITY and FOCUS for optimum presentation. Use the minimum CRT intensity necessary for good viewing to conserve battery power.
Page 24: Operating The Horizontal Controls
Operating Instructions— Type 324 12. Compute the signal amplitude. .02 VOLTS/DIV de 16. Calculate the square-wave frequency by determining the reciprocal of the period. (Approximately 800 Hz). flection factor multiplied by the 10 X probe attenuation factor and by the 2 1/2 divisions of deflection equal 0.5 V signal amplitude.
Page 25: Xy Operation
TRIGGER XY Operation N O TE Whenever the Type 324 Oscilloscope is operated in E X T H O R IZ m ode, the C R T is unblanked and no internal sweep is available. I f no in p u t signal is present a t the vertical o r h o riz o n ta l in p u t connector, a b rig h t stationary d o t w ill appear.
Page 26: Power Supply Operation
Return the EXT H O R IZ VA R to CAL. General The following characteristics of the Type 324 Oscillo Switch the EXT T R IG OR H O R IZ A TTE N to X10. scope should be checked prior to each period of operation.
Page 27: Signal Transporting Methods General
P6049 Probe-Type 324 Oscilloscope combination is 500 ADJUST— VERT X5 BAL until minimum trace shift V DC + peak AC. Other Tektronix probes which allow occurs when the X5 VERT GAIN control is switched in and measurement of voltages as high as 40 kV are available for out.
Page 28: Signal Source Resistance And Oscilloscope Input Resistance
Circuit current can be monitored with the Type 324 Oscilloscope and a current probe. One type of probe uses a The source-to-oscilloscope resistance ratio must be kept device which can be clamped around or removed from the high.
Page 29 TABLE 2 -1 Signal Transporting Methods, Passive Equipment Source Method Advantages Limitations Required Loading Precautions Unshielded Test Leads Availability Limited frequency re B N C - 1 o - Binding Post Oscilloscope input im Insert 47 O resistor in se sponse;...
Page 30: Miscellaneous Operating Hints
Failure to com plete the ground c irc u it o f the Type Incorrect 324 w ill cause the entire u n it to be elevated to the voltage o f the applied signal, and m ay produce dan...
Page 31 Operating Instructions—Type 324 Use a 10X probe whenever possible. It pro Loading. vides more accurate waveform observation by reducing the loading effect on the signal source. Deflection factors indi cated by the VOLTS/DIV switch must be multiplied by 10 when a 10X probe is in use.
Page 32 Synchronous signals observed with internal triggering show incorrect time relationship. Fig. 2-13. Importance of external triggering for phase or polarity comparison. (Signals supplied by Tektronix Type 106 Square-Wave Generator.) Use the opposite slope to trigger the sweep; select The sweep in Leading and Trailing Edges of Waveforms.
Page 33 Operating Instructions— Type 324 sions of CRT, critical waveform time measurements should be made in the center 8 divisions. Reference Frequency Measurements. To determine the frequency of a recurring event, find the reciprocal of the time (in seconds) it takes to complete one event. Example: With a sweep rate of 10 ms/div, a sine wave completes one cycle in 2.5 divisions (25 ms) of travel across the face of the CRT.
Page 34 Operating Instructions—Type 3 2 4 Divide the amplitude of the reference signal (volts) by To establish an arbitrary sweep rate so the period of the product of the vertical deflection established in step 2 an unknown signal can be measured accurately at any set (division) and the setting of the V O L T S /D IV switch.
Page 35 Operating Instructions— Type 324 • i ..■S:: v 1 Hfe “ f e t : fcfpls tf§st» :«r : w : : : £ W M m V y .'V y V . ^ J .' .V .V .y '.V »...
Page 36: Glossary Of Terms
Automatic Triggering—Applies to the trigger circuit. A 3. Measure amount of center vertical line which is enclosed triggering mode in which triggers to the Type 324 sweep by ellipse (V c) . circuit will initiate triggered sweeps in response to a 4.
Page 37 External Horizontal Signal—Any signal applied to the Type DC Coupling—The condition existing when no capacitor 324 Oscilloscope TR IG OR H O R IZ INPUT connector interrupts the path between the signal take-off point and for purposes of EXT TR IG oscilloscope operation.
Page 38 Horizontal Am plifier—An amplifier for signals intended to produce horizontal deflection. Magnified Sweep—Enlarged portion of a sweep (usually horizontal). In the Type 324 Oscilloscope the sweep can H o riz o n ta l D eflection—Horizontal movement of...
Page 39 Operating Instructions— Type 324 Phase Shift—The change in the phase angle (of a sinusdoidal Ringing—A damped oscillatory transient occurring in a waveform) which is introduced when the waveform system as a result of a sudden change of input. passes through a network.
Page 40 Operating Instructions—Type 324 Sweep Generator—A unit that generates a signal used as an Trigger—A pulse used to initiate some function. In oscillo independent variable; the signal is usually a ramp, chang scopes, commonly refers to the signal which initiates the ing amplitude at a constant rate.
Page 41: Circuit Description
Block diagram descriptions and detailed descriptions of is present and has a higher frequency than the multivi the Type 324 Oscilloscope circuitry are contained in this brator's free-running rate, the multivibrator no longer free- section. The block diagrams and schematics in the back of runs but becomes slaved to the triggering signal.
Page 42: Alternate Modes Of Operation
Circuit Description— Type 324 Alternate Modes of Operation ended input of the First Amplifier section is approximately 5. Stage gain decreases to approximately 2 when the V A R I 5 D IV CAL. The gain and overall operation of the ABLE control is fully inserted into the circuit.
Page 43: Source Followers
Circuit Description—Type 324 > INPUT Coupling Switch 11) Attenuator output capacitance and Preamplifier circuit input capacitance. (2) In combination with ( l ) f provides the AC voltage division indicated by the selected attenuation factor. 13) In parallel with the (1 ) and (2 ) series combination, provides 47 pF input capacitance.
Page 44: First Amplifier
Circuit Description— Type 324 First Amplifier First Amplifier stage in creating equal and opposite push- pull output signals. The First Amplifier consists of paraphase amplifier Q21A-Q21B and operational amplifiers Q31 and Q32. Under quiescent conditions, equivalent points in the upper...
Page 45: Block Diagram Description
Circuit Description— Type 324 cuit.) The base voltages of Q111 and Q112 are thus con upon Q51. Excessive amplitude signals of a polarity oppo trolled principally by the R151 current. These base voltages site to that just described will cause D52 and D53 to stop determine the Q 1 11 and Q 1 12 emitter voltages, controlling conducting, again protecting Q51 and Q61 from being over...
Page 46: Trigger Generator General
Circuit Description—Type 324 tion plates. C132, in the base circuit of Q143, filters the Protection and Source Follower Circuits Q142 pulses to provide Q143 with an average drive current Refer to the Trigger Generator schematic (and to the proportional to the frequency and amplitude of the in...
Page 47: Trigger Multivibrator
Circuit Description— Type 324 R244. If R246 is set to a point midway between the center In AUTO TR IG G E R mode, the Schmitt trigger circuit tap and either side, 0 V will be applied and the two tran...
Page 48: Sweep Generator
Circuit Description— Type 324 and from the 5 to 2 yS positions, thus increasing the operation can be understood by simply comparing a triode AUTO repetition rate of the multivibrator. Changing the vacuum tube to it, with the cathode, grid, and plate com...
Page 49 Circuit Description—Type 324 TABLE 3 1 Operating Status of Sweep Generator Components Status Component Purpose Quiescent Retrace Holdoff D301 Holdoff Diode D303 Tunnel Diode Low state Low state Low State D305 Gate Diode D309 Disconnect Diode D342/D343 Trigger Dis « • • • * •...
Page 50 Fig. 3-3. Sweep Generator waveform analysis. Type 324 Oscilloscope sweep rate .1 m s/D IV. V O L T S /D IV switch set at 5 D IV CAL. Waveforms obtained with Type 547 Oscilloscope and C l 2 camera system; deflection factor 0.5 ms/div. *(B2) is the same as (B1) except that "B intens by was used to show the triggers which initiate the sweep.
Page 51 Circuit Description— Type 324 The Q329 emitter voltage is applied to the upper plate Q356 at about +0.6 V. The cathode of D353 is held at of the Timing capacitor, C330. The upper plate of C330 about 0 V by the potential on the base of Q343. The 0.6 V across D353 and Q356 base-emitter junction is not suffi...
Page 52: H O R Izo N Ta L A M Plifier < 6
Circuit Description—Type 324 When EXT H O R IZ operation is selected by the T IM E / combination of R340 and R342 switches D303 to its high D IV switch, the Horizontal Am plifier circuit operates voltage state, turning Q305 on. Unblanking occurs, but dis...
Page 53: Current Control Circuits
Circuit Description—Type 324 tier Q420 to the summing node. The POSITION control + 175, and —1900 V DC, and 0.6 V AC. The —100 V supply can move the fine potentiometer wiper 30° independent of is used only within the regulator circuitry, and the 0.6 V AC supplies the CRT filament power.
Page 54: Power Supply
Circuit Description—Type 324 causing collector current to flow through the T538 N1 C521 bypasses R521 to speed up on the Q529 switching winding. The voltage induced into the N2 winding is regen action. C529 and L501 perform the dual function of filter...
Page 55: And +8.5 V Power Supplies
Circuit Description—Type 324 of collector current increases the current through the load, to both plates, the deflection effect is nulled, and position keeping the —5 V supply within design limits. control is exercised by the horizontal and vertical deflec tion plates.
Page 56 Circuit Description— Type 324 (A ) Q 621-B — 20 V 0 6 2 1 -E — 20 V Differential + 2 V voltage across R639 (waveform A — (D ) Q 620-B — 2 V Q 617-B — 20 V...
Page 57: Battery Charger
Circuit Description—Type 324 S612 is a multiple contact switch which has three When the half-cycle output voltage of T601 secondary positions-EXT DC, TRICKLE CHG and FULL CHG. In becomes large enough to overcome the battery voltage, EXT DC position, power is routed from the DC input jacks D610 goes into conduction, delivering a negative-going vo lt...
Page 58 Circuit Description-Type 324 When the Power Pack is being charged and the oscillo providing more drive to Q634. This permits more current to scope POWER switch is turned on, the base of Q 634 Is flow through Q617, keeping the average charge o n C 6 3 6 et driven negative between charging current pulses.
Page 59: Maintenance
Damaged parts General Information require that the cause of the damage be eliminated before operation is resumed. The Type 324 Oscilloscope should be cleaned, lubri cated, inspected and recalibrated at regular intervals. A Lubrication recommended schedule for average operating conditions is...
Page 60: General Techniques
Transistors and Diodes. The quantity of semi-conductor 5. Troubleshoot the circuitry; repair as necessary. devices in the Type 324 Oscilloscope requires that anyone working on it have a general knowledge of semi-conductor 6. Check the calibration status; recalibrate as necessary.
Page 61 Resistance Readings That Can curve display instrument such as a Tektronix Type 576. If a Be Expected When Using the transistor checker is not readily available, a defective tran...
Page 62 Type ponents, record the wire color coding. In case of doubt in 324 must be disconnected before reliable resistor checks reconnecting wires, use an ohmmeter to insure selection of can be made.
Page 63: Troubleshooting Charts
Most mechanical parts are common to the right. If a check provides a "yes" answer, proceed down the Type 324 Oscilloscope. All electrical parts whose stock along the solid line. If the check provides a "no" answer, numbers are preceded by an asterisk in Section 6 and most proceed to the right, following the broken line.
Page 64 Maintenance— Type 324 M aster Troubleshooting C hart Initial Setup: Power Pack switch in proper position; Power ON; POSITION controls "in” and centered; VOLTS/DIV at .01; TIME/ DIV at EXT HORIZ; Trig/Horiz Coupling switch at INT-AC; INTENSITY set for optimum viewing, or set at maximum if no display is present.
Page 65 EDSYN to avoid drawing off too much heat. When connecting S O L D A P U L L T ® Tektronix Part 003-0428-00, is components, heat the solder sufficiently to allow free flow. extremely useful in removing solder from circuit boards, Apply the solder to the wire being joined, not to the solder...
Page 66 Maintenance—Type 3 2 4 Trigger Generator Troubleshooting Chart. Initial setup: TRIGGER at + AUTO; VOLTS/DIV at 5 DIV CAL; TIM E/DIV at 1 m$; POSI TION controls “ in” and display centered; POWER — ON; Trig/Horiz Coupling switch at INT — AC. Q 25 3 - >...
Page 67 Maintenance—Type 3 2 4 Sweep Generator Troubleshooting Chart. Initial setup: Display is obtainable in EXT HORIZ mode; VOLTS/DIV set at 5 DIV CAL; TIME/DIV at .5 mS; POSITION controls *'inT I and centered; POWER — ON; VARIABLE controls at CAL; TRIGGER at + AUTO;...
Page 68 Maintenance— Type 3 2 4 Horizontal Amplifier Troubleshooting Chart. Initial setup: VOLTS/DIV at 5 DIV CAL; POSITION controls “ in” and centered; TIME/ DIV at 1 mS; TRIGGER at + AUTO; Trfg/Horiz Coupling switch at INT-AC; POWER — ON. Sweep crowded left Check \...
Page 69: Disassembly And Assembly General
Maintenance—Type 324 Line voltage Battery Charger board range wiring terminals Calibrator/Vertical attenuator circuit board Fuse (AC input) Low-Voltage board E JT H igh-V oltage----- Board Vertical board - POSITION bracket Horizontal board Fig. 4-9. Location view; bottom of oscilloscope and Power Pack.
Page 70: Power Pack
Maintenance— Type 324 Power Pack Transformers. To remove the transformer, unsolder its eight leads from the circuit board. Remove the Power Pack General. The Power Pack can be removed from the cover plate from the opposite side by removing the six oscilloscope by disclosing three square-pin connectors at screws from it.
Page 71: Cathode-Ray Tube (Crt) And Trace Rotation Coil
If one cell is defective and fails while the rest of the battery is still quite new, that cell may be replaced without undue concern. The Sony/Tektronix Field Representative After the oscilloscope cover has been removed, the CRT or Office should be consulted before individual cells are and CRT shield can be removed through the following pro...
Page 72: Vertical Circuit Board
INPUT and Trig/Horiz Coupling Switches These can be removed after two nuts have been removed It is recommended that the Type 324 be recalibrated from the back, and the pressure-fit knob has been pulled whenever a replacement CRT is installed.
Page 73: Power Regulator Enclosure
Maintenance— Type 324 black-and-green plastic indicator plate should be removed ends can be distinguished either by lead length or by color and set aside until re-assembly. code. Do not untwist any of the paired leads. V O L T S /D IV , T IM E /D IV , FOCUS and IN TE N S ITY...
Page 74 Maintenance— Type 324 All Other Applications Specific Applications Q 2 1 5 Q 3 1 1 heat sink flat washer soldering lug with wire attached mica insulator emitter insulating washer base lockwasher Q 617 Fig. 4-13, Transistor data. 4-16...
Page 75 Maintenance— Type 324 n r n n m n m m ........w nmm t..............
Page 76 Maintenance— Type 324 ''O '' to TR IG G ER A O ” +5 V from "A M " 'AP' —5 V from *AF' COUPLING switch 'A L ' +100 V DCPL to T ' 'A K ' +100 V to Pin 5 CRT and...
Page 77 Maintenance—Type 324 C482 R483 Q370 R471 Q473 Q480 Q484 C370 C480 Q470 C470 a < R470 C462 Q464 Q457 R 359 fee* R465 Q460 R 464I s i R 450 R444 Q451 R442 : : : Q 4 4 0 *J § D 4 4 6...
Page 78 Maintenance— Type 324 'V ' to Pin 9 CRT 'AJ' +100 V from 'A K ' V To Pin 2 CRT Vertical board ■fq&MH , v A ! - f m y S « m s k 'A M ' +175 V from 'J' Low...
Page 79 Maintenance— Type 324 Fig. 4-18. Vertical Attenuator and Calibrator circuit board. 'D' to: term 2 T601, F' to: term 3 T601, 'C' to: term 1 T601, 'GR' to: gnd at J16, AC POWER conn, wire w/conn for wire w/conn for...
Page 80 Maintenance— Type 324 To Q529 base To Q529 emitter W' to 'B' Low Voltage board To Q529 collector B' to T Low Voltage board • v ; ? . v T ' :a ' ' : S t r ji1 tr f- .
Page 81: Performance Check/Calibration
To assure instrument accuracy, check the calibration of under Preliminary Control Settings and start with the near the Type 324 every 500 hours of operation, or every six est test equipment picture preceding the desired portion. If months if it is used infrequently. Before complete cali...
Page 82: Accessories
2. DC voltmeter (V O M )1. Minimum sensitivity, 10,000 Accessories ohms/volt; accuracy, checked to within 1% at —1900 volts. 10. AC power cord. Fits AC POWER jack of Type 324. For example, Triplett Model 630-NA. Tektronix Part No. 161-0043-00 (supplied accessory).
Page 83: Adjustment Tools
24. Screwdriver. Three-inch shaft, 3/32-inch bit for R E Q U IR E M E N T: 0.6 volt, ± 0 .0 3 volt, at point K on slotted screws. Tektronix Part No. 003-0192-00. the H .V . Power Supply board.
Page 84 Performance Check/Calibration— Type 324 8. Check Low Batteries Indicator page 5 12 15. Check/Adjust Limit Centering (R 123) page 5-15 R E Q U IR E M E N T: LOW BATT light flashes with DC R E Q U IR E M E N T: Minimum compression of a center input voltage of +6.5 volts within +0.33 to —0 volts.
Page 85 Performance Check/Calibration—Type 324 28. Check/Adjust Magnified Registration page 5-20 22. Check/Adjust High-Frequency Compen- page 5-17 sation (C l 13, C114, C115, C l 16, R152, (R432, R438) R155, R157) R E Q U IR E M E N T : Less than...
Page 86 Performance Check/Calibration— Type 324 3 3 . Adjust High-Speed Tinning (C330F, page 5-23 R E Q U IR E M E N T: EXT H O R IZ VAR control range C401, C402, C470) 10:1 or greater. PERFO RM ANCE: C orrect_____ ; in c o rre c t______ .
Page 87: Complete Performance Check
—A U TO . Check that stable display can General not be obtained at 30 hertz with any setting of the TR IG G ER control. The following procedure is arranged so the Type 324 can be calibrated with the least interaction of adjust PERFORMANCE: Correct ; incorrect ments and reconnection of equipment.
Page 88: Preliminary Procedure For
IN T E N S IT Y Midrange Using the AC power cord, connect the power pack of the Type 324 to an AC line voltage source which is within the voltage and frequency requirements of this instrument. Power Controls Set the controls as given under Preliminary Con...
Page 89 Performance Check/Calibration—Type 324 ! u y . ’ . . . Precision DC voltmeter Variable DC power supply probe Three-inch 42-inch screwdriver BNC cable Fig. 5-1. Test equipment required for steps 1 through 20. 1. Adjust Charging Current exceed those listed w ith o u t loss o f measurement...
Page 90 Fig. 5-3. Location of high-voltage test points and adjustments (H.V. a. Set the Power Pack switch to EXT DC. Power Supply board). b. Install the power pack in the Type 324. j. CHECK—Less than ±40 volts change in the high- voltage output level.
Page 91 5-4B) to chassis ground. g. CHECK— Meter reading; +5.0 volts, ±0.1 volt. INTERACTION—May affect operation of all cir cuits within the Type 324. h. INTERACTION—May affect operation of all cir cuits within the Type 324. 6. Check Remaining Power Supplies a.
Page 92 NOTE necessary to make each measurement. If the internal batteries of the Type 324 are fully charged, the remainder of this procedure can be e. Disconnect the test oscilloscope. performed with battery-powered operation. ® 5-12...
Page 93: Check/Adjust Variable Volts/Division
Performance Check/Calibration—Type 324 C h eck/A d ju st Variable Volts/Division © Balance Position the trace to the center horizontal line with the vertical POSITION control. CHECK-Rotate the VARIABLE VOLTS/DIV con trol throughout its range. Trace should not move more...
Page 94: Check/Adjust Astigmatism (R597)
Performance Check/Calibration— Type 324 f. Rotate the vertical POSITION control fully clock wise and note the meter reading. Then rotate the verti cal POSITION control fully counterclockwise and again note the meter reading. g. CHECK— Voltage range measured in part f centered around +50 volts.
Page 95: Check/Adjust Crt Geometry (R 593)
Performance Check/Calibration— Type 324 c. A D JU S T -T R A C E R O TA TIO N adjustment, R592 c. Reduce the display to exactly two divisions with (see Fig. 5-6B), so the baseline of the marker display is the V A R IA B L E V O L T S /D IV control.
Page 96: Check Vertical X5 Gain
Performance Check/Calibration— Type 324 A D J U S T -X 1 V E R T G AIN adjustment, R 1 10 (see TABLE 5-2 Fig. 5-6B), for exactly five divisions of deflection. Vertical Deflection Accuracy Maximum 17. Check Vertical X5 Gain...
Page 97: Check Trace Shift Due To Input Current
Performance Check/Calibration—Type 324 Calibration Low-frequency Square-w ave shield High-frequency Standard Time-M ark Constant-Am plitude generator Constant-am plitude am plitude sine-w ave generator generator sine-w ave generator Calibrato r Test oscilloscope v>M **•(<*■ W f t f f i f l...
Page 98: Check Input Capacitance
Change the following control settings: TIM E/D IV .5 ms X5 HORIZ MAG Pushed in b. Install the calibration shield on the Type 324. Connect the square-wave generator high-amplitude o u tp u t co n n e cto r to the VERT...
Page 99: Check Vertical -3 Db Point
Performance Check/Calibration—Type 324 TABLE 5-3 Less than 0 .2 division overshoot or rounding for input ca pacitance within tolerance. V O L T S /D IV Compensation V O L T S /D IV Adjust for optimum switch Flat Attenuator...
Page 100: Check X5 Vertical Gain Upper -3 Db Point
Performance Check/Calibration—Type 324 Set the constant-amplitude generator for a four- division display, centered on the graticule, at its refer ence frequency (50 kilohertz). W ithout changing the output amplitude, increase the output frequency of the generator until the display is reduced to 2.8 divisions (—3 dB point).
Page 101: Check/Adjust Normal Timing (R404)
Performance Check/Calibration—Type 324 c. Set the time-mark generator for five-millisecond Tenth Second markers. vertical line vertical line Second . v . marker Tenth H I M marker d. Set the TRIGGER control for a stable display in --■ / M .
Page 102: Check Variable Time/Division Control
Performance Check/Calibration—Type 324 must coincide exactly with their respective graticule c. Adjust the TRIGGER control for a stable display lines (reposition the display slightly with the horizontal in the variable positive-slope area. POSITION control if necessary). d. Move the eleventh...
Page 103: Check/Adjust Magnified Timing (R402)
R444 for best display in parts h and k. to step 34. 33. Adjust High-Speed Timing 32. Check/Adjust Magnified Timing a. Install the calibration shield on the Type 324. Set the time-mark generator for 0.1-millisecond markers. b. Change the following control settings: b.
Page 104: Check Normal Timing Accuracy
Performance Check/Calibration—Type 324 Set the time-mark generator for 0.5-microsecond TABLE 5-4 markers. Normal Sweep Timing Accuracy CRT display Allowable error T IM E /D IV Time-mark j. Set the TR IG G E R control for a stable display in...
Page 105: Check/Adjust External Horizontal 10X
Performance C heck/C alibration—Type 3 2 4 c. Set the standard amplitude calibrator for a five- TABLE 5-5 volt square-wave output. Magnified Sweep Timing Accuracy T IM E /D IV Time-mark CRT display Allowable error d. Connect the 10X probe to the input connector of switch generator (markers/...
Page 106: Check External Horizontal Bandwidth
Performance Check/Calibration-Type 324 Connect the output of the BNC T connector to Position the left dot of the display to the center vertical line with the horizontal POSITION control. the EXT BLANK jack with the six-inch BNC to banana plug patch cord.
Page 107 Performance Check/Calibration—Type 324 s. CHECK—Stable CRT display is presented with the Turn the TR IG G ER control clockwise to the vari able positive-slope area. Trig/Horiz Coupling switch set to IN T T R IG AC and ACLF REJ. f. CHECK—Stable CRT display can be obtained with t.
Page 108: Check Low-Frequency Triggering Operation
Performance Check/Cafibration— Type 324 ag. Turn the TR IG G E R control counterclockwise to g. Turn the TR IG G E R control clockwise to the vari the variable negative-slope area. able negative-slope area. h. CHECK—Stable CRT display can be obtained with ah.
Page 109 Performance Check/Calibration—Type 324 c. CHECK— Stable CRT display can be obtained with the TRIGGER control set to + and — AUTO and in the variable p o s itiv e - negative-slope areas (adjust TRIGGER control as necessary). d. Without changing the output amplitude, set the low-frequency generator to 30 hertz.
Page 110 (two micro seconds or less risetime). This completes the calibration/checkout procedure for d. Change the following control settings: the Type 324. Disconnect all test equipment and replace cabinet. instrument has been completely TR IG G E R + A U TO checked and adjusted to the tolerances given in this pro...
Page 111 PARTS LIST ABBREVIATIONS infernal binding head brass length or long binding head steel met. metal cap. capacitor mtg hdw mounting hardware ceramic outside diameter composition comp oval head brass connector conn oval head steel cathode-ray tube part of countersunk pan head brass double end pan head steel diameter...
Page 112 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.
Page 113 Type 324 IN D E X OF ELECTRICAL PARTS LIST T I T L E Page N o CHASSIS ..LOW VOLTAGE POWER SUPPLY Ciuuit Board Assembly VERTICAL Circuit Board Assembly ..
Page 115: Electrical Parts List
SECTION 6 Type 3 2 4 ELECTRICAL PARTS LIST Values are fixed unless marked Variable. Tektronix Serial/Model No. Ckt. No. Part No. Disc Description CHASSIS Bulb DS509 150-0084-00 Neon, GE 2AA Capacitors Tolerance ±20% unless otherwise indicated. *285-0610-00 600 V 0 .1 pF...
Page 116 Electrical Parts List— Type 3 2 4 CHASSIS (cont) Tektronix S erial/M o d el No. Ckt. No. Description Part No. Disc Inductor L592 *108-0465-00 Trace rotation Transistor Q529 151-0231-00 Silicon NPN TO-5 2SC756-3 Resistors Resistors are fixed, composition, ±10% unless otherwise indicated.
Page 117 Electrical Parts List— Type 324 CHASSIS (cont) Tektronix S erial/M o d el No. Part No. Disc Description Ckt. No. Switches Wired or Unwired INPUT 260-0621-01 Lever VOLTS/DIV Rotary *262-0897-00 S25Wired VOLTS/DIV 260-1129-00 Rotary X5 VERT GAIN 260-0904-00 Slide TRIG/HORIZ COUPLING...
Page 118 Electrical Parts List— Type 3 2 4 LOW VOLTAGE POWER SUPPLY Circuit Board Assembly (cont) Tektronix Serial/Model No. Ckt. No, Part No. Disc _______ Description Semiconductor Device, Diodes Replaceable by 1N647 Silicon D501 *152-0107-00 Replaceable by 1N4152 Silicon *152-0185-00 D545...
Page 119 Electrical Parts list— Type 324 LOW VOLTAGE POWER SUPPLY Circuit Board Assembly (cont) Seriol/Model No. Tektronix Description Disc Part No. a t . No. Resistors Resistors are fixed, composition, ±10% unless otherwise indicated. Prec 20 kft 321-0318-30 1 /8 W...
Page 120 Electrical Ports List— Type 324 VERTICAL Circuit Board Assembly (cont) Tektronix S erial/M o d el No. Description Ckt. No. Part No. Disc Capacitors (cont) C106 290-0114-02 47 pF Elect. 290-0136-01 C107 2.2 pF E lect. 20 V C108 290-0114-02 47 pF Elect.
Page 121 Electrical Parts List— Type 3 2 4 VERTICAL Circuit Board Assembly (cont) Tektronix Serial/Model No. Ckt. No. Part No. Disc Description Semiconductor Device, Diodes low leakage 250 mW, 40 V, 152-0246-00 Silicon 200 mW, 40 V , low leakage Silicon...
Page 122 Electrical Parts List— Type 3 2 4 VERTICAL Circuit Board Assembly (cont) Tektronix Serial/Model No* Ckt. No. Part No. Description Disc Transistors (cont) Q101 2SC318A 151-0304-00 Q102 151-0304-00 2SC318A Qlll 151-0304-00 2SC318A Q112 2SC318A 151-0304-00 Q121 151-0234-00 S ilicon TO-5...
Page 123 Electrical Parts List— Type 324 VERTICAL Circuit Board Assembly (cont) Tektronix S erial/M o d el No. Description Disc Ckt. No. Part No. Resistors (cont) 321-0229-30 R117 2.37 kn 1/8 W Prec R118 321-0193-30 1 kn 1/8 W Prec 1 .21 kn...
Page 124 Electrical Parts List— Type 3 2 4 VERTICAL Circuit Board Assembly (cont) Tektronix Serial/Model No. Ckt. No. Part No. Eff_____________Disc_________________________ Description 321-0261-30 Prec R154 5 .1 1 kfl 1/8 W 311-0609-00 R155 2 k0 , Var R156 321-0233-30 1/8 W Prec 2.61 to...
Page 125 Tektronix S erial/M o d el No. Ckt. No.__________Part No._____Eff___________Disc_______ Description HORIZONTAL Circuit Board Assembly ■*670-0884-00 Complete Board Capacitors Tolerance ±20% unless otherwise indicated. 500 V C212 283-0233-00 0.0022 jiF 283-0024-00 C241 0 .1 p.F 30 V 283-0247-00 C242 680 pF...
Page 126 Electrical Parts List1 — Type 324 HORIZONTAL Circuit Board Assembly (cont) Tektronix Serial/Model No. Ckt. No. Part No. Disc Description Capacitors (cont) 250 V C480 283-0079-00 0.01 |iF 250 V E le c t. C482 290-0449-00 2 fiF 20 V 290-0136-01 Elect.
Page 127 Electrical Parts List— Type 3 2 4 HORIZONTAL Circuit Board Assembly (cont) Tektronix Serial/Model No* Ckfr No. _____ Part No. Eff__________ Disc_____________________ Description Transistors (cont) 151-0190-02 Silicon TO-92 2N3904 Q343 151-0220-00 Silicon 2N4122 TO-18 0356 151-0234-00 Silicon T0-5 2SC805 0363...
Page 128 Electrical Parts Lisf^-Type 3 2 4 HORIZONTAL Circuit Board Assembly (cont) Tektronix Serial/Model No. Ckt. No. Port No. Disc Description Resistors (cont) R242 3 1 5 - 0 4 7 2 - 0 1 4 . 7 kfl 1 / 4 W...
Page 129 Electrical Parts List— Type 324 HORIZONTAL Circuit Board Assembly (cont) Tektronix Serial/Model No. Part No. Description Ckt. No. Disc Resistors (cont) 311-0609-00 R347 2 kn, Var 315-0104-02 100 kn 1 /4 W R351 315-0303-02 R352 1 /4 W 30 kn...
Page 130 Electrical Parts List—Type 324 HORIZONTAL Circuit Board Assembly (cont) Tektronix Serial/Mode! No. Ckt. No. Part No. Eff____________ Disc__________________________Description Resistors (cont) 321-0225-30 2 .1 5 kft 1 /8 W Prec R439 321-0269-30 1 /8 W Prec 6 .1 9 kfi R441...
Page 131 Electrical Parts List— Type 324 Serial/Model No. Tektronix Part No. Eff____________ Disc__________________________Description Ckt. No. HIGH VOLTAGE POWER SUPPLY Circuit Board Assembly *670-0885-00 Complete Board Capacitors +20% unless otherwise indicated. T o le ra n c e 290-0456-00 4 .7 pF Elect.
Page 132 Electrical Parts List— Type 324 HIGH VOLTAGE POWER SUPPLY Circuit Board Assembly (cont) Tektronix Serial/Model No. Description Ckt. No. Part No. Disc Inductors 275-0525-00 Core, ferrite L580A 276-0606-00 Core, ferrite L590B Transistors 151-0304-01 2SC318A, checked Q515 151-0305-00 2SA527 0518 2SC318A, checked...
Page 133 Electrical Parts List— Type 324 HIGH VOLTAGE POWER SUPPLY Circuit Board Assembly (cont) Tektronix Serial/Model No, Description Part No. Disc Ckt. No. Transformer H. V. Power *120-0504-01 T538 VOLTS/DIV SWITCH Circuit Board Assembly *670-0886-00 Complete Board Capacitors ~ jerance ±20% unless otherwise indicated.
Page 134 Electrical Port* List— Type 324 VOLTS/DIV SWITCH Circuit Board Assembly (cont) Tektronix Serial/Model No. Eft____________ Disc__________________________Description Ckt. No. Part No. Transistors 151-0224-00 Silicon TO-18 2N3692 151-0224-00 Silicon TO-18 2N3692 Resistors Resistors are fixed, composition, ±10% unless otherwise indicated 3 1 5 - 0 1 0 2 - 0 1...
Page 135 Electrical Parts List—Type 324 Tektronix Serial/Model No. Description Part No. ___ Eff Disc Ckt- No, BATTERY PACK Complete Battery Pack *016-0160-00 Capacitors Tolerance ±20% unless otherwise indicated. 290-0287-00 25 V 47 |iF Elect. C605 283-0003-00 150 V 0.01 uF C623 290-0114-01 47 (.F...
Page 136 Electrical Parts List— Type 324 BATTERY PACK (cont) Tektronix Serial/Model No. Ckt. No. Port No. Disc Description Transistors Q617 151-0229-00 Silicon TO-66 2SD28 Q620 *151-0219-00 Silicon TO-18 Replaceable by 2N4250 Q621 151-0224-00 Silicon TO-18 2N3692 Q634 *151-0219-00 Silicon 10-18 Replaceable...
Page 137 Type 3 2 4 SECTION 7 ELECTRICAL DIAGRAMS ILLUSTRATIONS Symbols used on the diagrams are based on or taken directly from IEEE Standard 260 "Standard Symbols for Units", MIL-STD-12B, and other standards of the electronics industry. The following special symbols are used on the diagrams: Screwdriver adjustment.
Page 138 All voltages given on the diagrams are in volts. Waveforms waveforms only. shown are actual waveform photographs taken with a Connectors No connections Tektronix Oscilloscope Camera System and Projected Trace position Centered Graticule. Voltages and waveforms on the diagrams (shown Control settings...
Page 139 FILTER, light, smoke gray 426-0403-00 012-0089-00 CORD, patch, BNC to banana, 6 inch, red ADAPTER, BNC to-b inding-post - 8 ------ T03-0O33-O0 346-0051 -00 STRAP ASSEMBLY (not shown) 016-0113-00 ACCESSORY PACK (not shown) 070-1032-00 MANUAL, instruction (not shown) 324 OSCILLOSCOPE...
Page 140 C p N b M fr H fK lflifM M i...
Page 141 Mounting hardw are must be purchased separately, unless otherw ise 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.
Page 142 Type 324 IN D E X OF M E C H A N IC A L PANTS ILLU S TR A TIO N S TITLE Lowtiun < reverse Nile of I ....MnrtmnMi ArnpMnr Vagram Fig^ra 1 M^chamcat Figure? C&tatufcl .
Page 143 Type 3 2 4 SECTION 8 MECHANICAL PARTS LIST FIGURE 1 MECHANICAL PARTS Fig. & Index Tektronix Serial/Model No. Description Disc Part No. 2 3 4 5 366-1031-00 KNOB, red--VARIABLE CAL knob includes: SETSCREW, 5-40 x 0.125 inch, HSS 213-0153-00 366-1037-00 KNOB, gray—...
Page 144 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (coat) Fig. & Index Tektronix Serial/Model No. Description Part No. Disc 1 2 3 4 5 1-21 262-0896-00 SWITCH, rotary--TIME/DIV, wired switch includes: 260-1114-00 SWITCH, rotary, unwired SHIELD, switch, flat...
Page 145 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) Rg. & Index Tektronix Serial/Model No. Description Part No. 1 2 3 4 5 Disc 1-42 262-0895-00 SWITCH, rotary— TRIGGER, wired switch includes! SWITCH, rotary, unwired 260-1128-00...
Page 146 M echanical Parts List Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) Fig. & Index Tektronix Serial /M odel No. Description Part No. 1 2 3 4 5 Disc _____________________ 1-58 366-1038-00 KNOB, gray w/yellow band— POSITION-10 X HORIZ MAG...
Page 147 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) Fig- & Index Tektronix Serial/Model No. Description Disc __________________________ Part No. 1 2 3 4 5 1-79 386-1316-00 SUPPORT, CRT 348-0003-00 GROMMET, rubber, 0.312 inch diameter 441-0762-01...
Page 148 M echanical Parts LSsfr— Type 3 2 4 (cont) FIGURE 1 MECHANICAL PARTS Fig. & Index Tektronix Serial/Model No. Description Part No. 1 2 3 4 5 Eff_______ Disc______ y 016-0160-00 POWER PACK ASSEMBLY power pack assembly includes: -107 670-0880-00...
Page 149 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) & Serial/Model No. Index Tektronix Description Disc 1 2 3 4 5 Part No. 131-0552-00 1-132 CONNECTOR, with fuse holder mounting hardware: (not included w/connector) -133 211-0101-00 SCREW, 4-40 x 0.25 inch, 100°...
Page 150 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) Fig. & Index Tektronix Serial/Model No. Description 1 2 3 4 5 Part No. Disc 1-158 105-0062-00 CATCH, friction - mounting hardware: (not included w/catch) 210-0948-00 WASHER, fla t, 0 .1 66 ID x 0.215 inch OD...
Page 151 M echanical Parts List— Type 3 2 4 FIGURE 1 MECHANICAL PARTS (cont) Fig. & Serial/Model No* Tektronix Index Description Disc Port No. PANEL, side 333-1028-01 1*185 SWITCH, siide--ATTEN 260-0905-00 •186 mounting hardware: (not included w/switch) SCREW, 2-56 x 0 .2 1 8 inch, 82° csk, FHS...
Page 152 Type Mechanical Paris list— FIGURE 1 MECHANICAL PARTS (cont) Fig. & Index Tektronix Serial/Model No. Descriotion , 2 3 4 5 Part No. Disc CIRCUIT BOARD ASSEMBLY— HORIZONTAL 1-209 670-0884-00 circuit board assembly includes: CIRCUIT BOARD 388-1549-00 136-0183-00 SOCKET, transistor, 3...
Page 153 Mechanical Parts lh^»Type 324 FIGURE 2 CABINET Rg. ft Serial/Model No. Index Tektronix Description Port No. Oise 1 2 3 4 5 437-0109-00 CABINET 386-1315-01 SUBPANEL, rear, outer •2 386-1318-01 PANEL, rear 348-0138-00 FOOT 367-0084-00 HANDLE 334-1431-00 TAG, identification • 6...
Page 155 MANUAL CHANGE INFORMATION 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 devel oped and tested. Sometimes, due to printing and shipping requirements, we can't get these changes immediately into printed manuals.
Page 157 STANDARD ACCESSORIES COBRCCTtnW r m . 4 \n ta M s ra i ass altXO* l* 5 i 1iui» ro r*-3«l MANUAL, tiiA ttu t-lIan tnut sh a n 't a n M a u - a i HA*inuon*C, operwtnts U 7 0 - * *U E -U O m / y .
Page 159 ELECTRICAL PART8 LIST CORRECTION C i r c u i t Board Assembly VERTICAL fSflSUBE TO: iOO v 82 pl‘ Mica 2 8 3 -0 6 7 5 -0 1 300 V 2 8 3 -0 6 7 5 -0 1 82 pK Mi ca C i r c u i t Board Assembly...
Page 161 ELECTRICAL PARTS L IS T CORRECTION C i r c u i t R o a td A sse m b ly HIGH VOLTAGE POWER SUPPLY ciAMse 0 * 1 5 |iF l i l e c c . t:5 3 l 2 9 0 - 0 4 5 1 - 0 1 C5JU 2 9 0 - 0 4 5 3 - 0 1...

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