Page 1 S.W. M illikan W ay • P. O. Box 500 • Beaverton, O regon • Phone Ml 4 -0 1 6 1 • Cables: Tektronix Tektronix International A.G. Terrassenweg 1A • Zug, Switzerland • PH. 042-49192 • Cable: Tekintag, Zug Switzerland •...
Page 2: Warranty
WARRANTY A ll T ektronix instrum ents are w a rra n te d a g a in s t defective m a te ria ls and w o rk m a n ship fo r one yea r. Tektro n ix transform ers, m a n u fa ctu re d in our ow n p la n t, are w a r...
Page 3: Table Of Contents
CONTENTS W a rra n ty Section Characteristics Section 2 O p e ra tin g Instructions Section 3 C ircuit Description Section 4 M ainten an ce C a lib ra tio n Section 5 Parts List and D iagram s Section 6 A list o f a b b re via tio n s and symbols used in this m anual w ill be fo u n d on page 6 -1 .
Page 4 TYPE 5 4 6 OSCILLOSCOPE TRIGGERING M *< *1 MOO« cowniHO lO vfC I TRIGGERING U V E l H O R IZO N TA t DISPLAY VARMRtt TIME CM HORIZ INPUT TRIGGERING------------ — ott co vn m o iouffi TRIGG!RING lE V f t AUlOj SCAIE...
Page 5: Section 1 Characteristics
Trigger Signal Internal (ac): Minimum deflection is 2 mm, rising to 1 cm at about 50 me. The plug-in unit and probe used with the Type 546 deter mine the overall characteristics of the vertical deflection sys Requirements Internal (dc): Minimum deflection is 5 mm.
Page 6 Characteristics — Type 546/R M 546 Sweep Delay The Time-Base A sweep can be delayed Front-Panel Output Signals by the Main Time Base (B) sweep. De is continuously variable over the +GATE B Approximately a 20-volt, peak-to-peak, square-wave pulse having the same dura...
Page 7 Characteristics — Type 546/R M 546 Cabinet and Chassis Construction Aluminum alloy. Chassis Cabinet Three piece, blue vinyl covered, textured Net weight 653 /4 pounds. aluminum. Front panel is photo etched and anodized. Cabinet dimensions are 13" (w) x 24" (I) x 16%" (h).
Page 8 NOTES...
Page 9: Operating Instructions
Time Base (B) TIME/CM OR DELAY TIME of the crt as a trigger signal. switch. PLUG IN position applies to the Tektronix HORIZONTAL Positions the display along the horizontal Type 1A1 or a modified Type CA plug-in POSITION axis of the crt.
Page 10 5 of the inter Allows remote control of resetting in sin External Single connecting plug such as the Tektronix Type 1A1 Dual-Trace gle-sweep operation. The sweep resets by Sweep Reset Plug-In Unit. This position is useful when operating the plug...
Page 11 Operating Instructions — Type 546/R M 546 Fig. 2 -2 . Effects o f the TRIGGERING LEVEL a nd SLOPE controls.
Page 12 Operating Instructions — Type 546/R M 546 Setting the Triggering Level point in the circuit can be used as the external trigger signal. With this arrangement, it is possible to observe the shaping The TRIGGERING LEVEL control determines the amplitude...
Page 13 To avoid this, use the single sweep feature of the Type 546 oscilloscope. To use single sweep, first make sure the trigger circuit will trigger on the event you will wish to display.
Page 14 Since the trigger circuits of the Type Set the controls and switches on the instrument as listed 546 respond to signal amplitude, a stable display will nor in Table 2-1 except as follows: mally be obtained only when the sweep is triggered by the event having the greatest amplitude.
Page 15 The oscilloscope display shows the pulse that is avail the same shape. However, if the input signal consisted of a able at the Type 546 at the end of each delay period. In repeating series of several dissimilar pulses, turning the dial...
Page 16 See Figs. 2-5 and 2-6 for transformer and fan connec EXTERNAL HORIZONTAL DEFLECTION tions necessary to operate the Type 546 at line voltages from 108 to 244 volts, 50 to 60 cps and 400 cps. W h ite w ith green stripes...
Page 17: Circuit Description
Vertical Plug-In Preamplifier. Any Tektronix letter-series voltage rectifiers. or 1-series vertical plug-in preamplifier can be used with the Type 546. For a circuit description of the plug-in unit, refer Cathode Ray Tube (C rt). The cathode-ray tube used in to the plug-in unit instruction manual.
Page 18 Circuit Description — Type 546/R M 546 VERTICAL VERTICAL VERTICAL PLUG-IN DELAY INPUT OUTPUT PRE LINE AMPLIFIER AMPLIFIER AMPLIFIER DELAY TRIGGER PICKOFF PICKOFF M A IN HORIZONTAL TIME HORIZO NTAL TIME BASE DISPLAY BASE AMPLIFIER SWITCH EXTERNAL VOLTAGE HORIZO NTAL...
Page 19 + 1 00-volt supply is required to supply current to a series and, through the tap on R616, on the grid of V624B. Due to string of filaments at all times. When the Type 546 is first the voltage divider, only a part of the voltage increase turned on, relay K601 contacts are open and all the regu...
Page 20 + 1 00-volt regu ing switch is built into the main frame of the Type 546 at the lator except for different component values and no grid top rear of the plug-in compartment.
Page 21 — 1850-volt output thus changes the screen voltage of V800 An input binding post on the rear panel of the Type 546 and the amplitude of the 50-kc oscillations. R840 provides provides an input for externally modulating the crt cathode.
Page 22 Circuit Description — Type 546/R M 546 exists between different models of vertical plug-in preampli preceding paragraphs. The input stage of the trigger-pickoff fiers. SW1000 is actuated by a mechanical sensing device circuit, which provides the delay-line reverse termination, is a common-base circuit.
Page 23 Time Base (B) sweep generator. collector of Q75 and disables the automatic stability feature of the Type 546. When the triggering MODE switch is in Sweep Generator. For purposes of explanation, assume the AUTO STABILITY position, the sweep generator free runs that the HORIZONTAL DISPLAY switch (see B Sweep Gen...
Page 24 2.5 times the calibrated rate, Time Base A providing continuously variable sweep rates. Time Base A in the Type 546 is similar to the Main Time Base (B) sweep generator and the circuit description of the Delay-Pickoff Circuit. The delay-pickoff circuit (see Delay...
Page 25 In addition, the switch, starting the delayed sweep. The output of the A Type 546 contains a cathode-coupled preamplifier that is sweep generator is grounded by the HORIZONTAL DISPLAY used to amplify externally applied horizontal deflection sig...
Page 26 Amplitude Calibrator 1000:1 is inserted between the precision resistors and the CAL The amplitude calibrator in the Type 546 is a 1-kc square- OUT connector. In the 0.2 mvolt to 200 mvolt range, the wave generator (see Amplitude Calibrator schematic) that output impedance is 50 Q.
Page 27: Maintenance
Exterior. Loose dust accumulating on the outside of the Type 546 can be removed with a cloth or small paint brush. The L u b rica tion Points paint brush is particularly useful for dislodging dust on and around the front-panel controls.
Page 28 General Information 5. Apply only enough heat to make the solder flow freely. Many components in the Type 546 are mounted in a par 6. Do not attempt to fill the notch on the strip with solder; ticular way to reduce stray inductance and capacitance.
Page 29 NOTE 7. Grasp the face of the crt with the right hand. Push the crt carefully towards the front of the Type 546 with the If the crt face is not parallel with the front o f the left hand. Be careful not to bend the neck pins. Remove...
Page 30 When replacing graticule lamps, slide the lamp and socket in or out until All wiring used in the Type 546 is color coded to facilitate circuit tracing. In addition, all regulated power-supply leads the filament of the lamp is at the middle of the eyebrow are coded with specific color combinations for easy identifica...
Page 31 Maintenance — Type 546/R M 546 Once the nature and approximate location of the trouble IMPORTANT has been determined, further isolate the trouble by perform When it is desired to operate the plug-in unit from ing the steps in the calibration procedure for the circuits in a plug-in extension, the plug-in sensing switch which trouble is suspected.
Page 32 NOTES...
Page 33: Calibration
All outputs must have a time Introduction accuracy of at least 0.1 %. The Type 546 Oscilloscope is a stable instrument which will VOM (Volt-Ohm-Milliammeter) DC sensitivity of at least provide many hours of trouble-free operation. However, to 20,000 ohms per volt.
Page 34 Calibration — Type 546/R M 546 3. Set the Type TU-7 Test Function switch to the Low Load Main Time Base (B) position. TRIGGERING LEVEL ccw; knob pushed in TRIGGERING— 4. Lay the oscilloscope on its left side for access to the bot...
Page 35 Calibration — Type 546/R M 546 signal probe body to make a ground connection to the oscilloscope chassis at the location shown in Fig. 5-1. The probe w ill then provide the only ground connection between the tw o instruments.
Page 36 Calibration — Type 5 4 6/R M 546 A SWEEP EXT HORIZ HIGH X 1 0 CAL S W P /M A G GEOMETRY LENGTH DC BAL REGIS VOLTAGE R544 R861 R325 R 519 C503C C557D C557F C 557H B SWEEP...
Page 37 Calibration — Type 5 46/R M 546 e. Adjust the TU-7 Variable control so the markers overscan the crt; set the Vertical Position control to position the base line of the markers below the dis play area. f. Use the HORIZONTAL POSITION control to posi...
Page 38 Calibration — Type 5 4 6/R M 546 d. Pull the 'A ' TRIGGERING LEVEL control outward for X I0 range increase and rotate the control fully clock wise to free run the time base. e. Adjust the VERT GAIN control R1017 (see Fig. 5-4) so the display vertical deflection is exactly four cen...
Page 39 Calibration — Type 5 4 6/R M 546 appears. Do not turn the control any further counter Horizontal Display clockwise than the point where the steady bright HORIZONTAL DISPLAY trace was first obtained. SWEEP MAGNIFIER XI OFF Single Sweep Switch...
Page 40 Calibration — Type 546/R M 546 NOTE white dot does not point accurately to 0, disconnect the VOM, loosen the setscrew in the knob and re One fast method fo r reaching optimum results is to position the knob. let the waveform disappear as described in the first statement of step f.
Page 41 Calibration — Type 546/R M 546 is barely obtained. That is, the waveform does not e. Locate the junction of R17, C18 and R18 (see Fig. necessarily have to be stable; a flickering display 5-6). Connect a short jumper clip lead between the can also be an indication that optimum results are junction and ground.
Page 42 Calibration — Type 546/R M 546 Horizontal Display d. If the B TRIGGERING LEVEL knob is set properly on the control shaft, the white dot on the knob should HORIZONTAL DISPLAY be directly below the 0 on the front panel. If the...
Page 43 Calibration — Type 546/R M 546 d. Center the display vertically using the TU-7 Vertical tors, use a screwdriver having a metal tip and a Position control. non-metallic shank to minimize capacitance disturb ance to the circuit. This will also lessen the chance e.
Page 44 Calibration — Type 546/R M 546 b. Adjust the B TRIGGERING LEVEL control to trigger Other Oscilloscope Controls on the 10-msec time markers. DELAY-TIME MULTIPLIER 1.00 HORIZONTAL POSITION Approximately centered c. Rotate the B VARIABLE (TIME/CM) control a few degrees in the counterclockwise direction. The UN...
Page 45 Calibration — Type 546/R M 546 TIPLIER control to 1.00 and repeats steps 28i through b. Disconnect the coaxial cable from the TU-7 Ext Input connector. 29d until the A sweep starts at the same point on the 1-cm and 9-cm time markers, respectively.
Page 46 Calibration — Type 5 4 6 /R M 546 Fig. 5 -1 0 . C a lib ra tio n a d ju s tm e n t locations (to p rig h t side v ie w ). e. Set the DELAY-TIME MULTIPLIER so the 50% point...
Page 47 Calibration — Type 546/R M 546 j. Adjust the B TRIGGERING LEVEL control so the i. Adjust C90B (see Fig. 5-2) so the 50% starting point sweep starts at the 50% point on the rising portion on rising portion of the 10th time marker is bright...
Page 48 Calibration — Type 546/R M 546 TABLE 5-7 i. Set the TU-7 Variable control so the display is about 4 cm in amplitude. Markers B TIME/CM A TIME/CM Time-Mark j. Set the SWEEP MAGNIFIER switch to X I0. Setting Switch...
Page 49 Calibration — Type 546/R M 546 Check Timing Accuracy— Horizontal Am plifier Horizontal Display NORMAL Single Sweep Switch Check the timing accuracy of the display between the 4th cm and 80th cm of the sweep. Magnified- Main Time Base (B) timing in this region must be within ±...
Page 50 Calibration — Type 546/R M 546 c. Set the HORIZONTAL POSITION control to position Adjust C299 (A Sweep Output Compensation) the display to start at the 0-cm graticule line. — A Sweep Generator d. Adjust the TU-7 Variable control so the 10-msec a.
Page 51 Calibration — Type 546/R M 546 TABLE 5-10 TABLE 5-9 'A ' TIME/CM Time-Mark CRT Controls Check Generator Switch INTENSITY ~ 3 .5 Output Setting FOCUS .1 juSEC* 10 me 1 cycle/cm ASTIGMATISM 1 cycle/cm .2 MSEC 5 me SCALE ILLUM...
Page 52 Calibration — Type 546/R M 546 Adjust C524 Output Compensation— (External) h. Adjust C524 (see Fig. 5-10) for least distorted cali Horizontal Am plifier brator waveform (see Fig. 5-1 la); that is, for mini mum fast spike or rolloff. a. Connect a BNC T connector to the oscilloscope CAL OUT connector.
Page 53 Calibration — Type 546/R M 546 Check X I 0 Attenuation— (External) Horizontal Other Oscilloscope Controls Am plifier HORIZONTAL POSITION — 45° from center VERNIER (HORIZONTAL Centered a. Set the HORIZONTAL DISPLAY switch to EXT XI and POSITION) check that the VAR 10-1 control is set fully clockwise.
Page 54 Calibration — Type 5 4 6/R M 546 the TU-7. (Take into consideration sweep-rate tim ing error, if any, a n d /o r geometry in the area where the measurement is made.) k. If the aberrations appear excessive a n d /o r the rise...
Page 55: Parts List And Diagrams
If a part you have ordered has been replaced with a new or improved part, your local Tektronix Field Office will contact you concerning any change in part number. ABBREVIATIONS AND SYMBOLS...
Page 56 Parts List— Type 546 EXPLODED VIEW...
Page 57 Parts List— Type 546 EXPLODED SERIAL NO. REF. PART DESCRIPTION EFF. DISC. PLATE, front sub-panel 387-757 Includes: 354-056 RING, ornamental POST, binding, assembly 129-020 Each Consisting Of: STEM, adapter 355-503 200-072 Mounting Hardware For Each: (not included) NUT, hex, 10-32 x % inch...
Page 58 Parts List— Type 546 EXPLODED VIEW (Coni'd.) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. SWITCH, "B" TIME/CM OR DELAY TIME, wired 262-596 _ _ _ _ Includes: SWITCH, unwired 260-531 ROD, extension 384-287 COUPLING, pot 376-016 BRACKET, "B" TIME/CM OR DELAY TIME switch...
Page 59 Parts List'— Type 546 EXPLODED VIEW ( C o n t ' d . j SERIAL NO. REF. PART DESCRIPTION EFF. DISC. 366-153 KNOB, VAR 10-1, small charcoal Includes: SCREW, set, 6-32 x 3 / u inch HSS 213-004 Mounting Hardware For Miniature Pot:...
Page 60 Parts List— Type 546 EXPLODED VIEW (Cont’d.) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. 366-220 KNOB, INTENSITY, small charcoal Includes: 213-004 SCREW, set, 6-32 x inch HSS 3/ u 366-144 KNOB, "A " TIME/CM, large charcoal Includes: SCREW, set, 6-32 x 3 / 1 (S inch HSS...
Page 61 Parts List— Type 546 EXPLODED VIEW ( C o n t ' d . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. COVER, crt anode and plate assembly 200-112 - - - Consisting Of: COVER, crt anode 200-111 386-647 PLATE, crt anode...
Page 62 Parts List— Type 546 EXPLODED VIEW fConf'd.J SERIAL NO. REF. PART DESCRIPTION EFF. DISC. PLATE, plug-in housing, back 387-753 ..Mounting Hardware: (not included) SCREW, 8-32 x 5 / u inch BHS 212-004 SCREW, 8-32 x % inch BHS...
Page 63 Parts List— Type 546 EXPLODED VIEW (Confd.) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. 131-018 CONNECTOR, chassis mount, 16 contact, female Mounting Hardware: (not included) 211-016 SCREW, 4-40 x 5 /8 inch RHS 166-107 TUBE, spacing, 7 / 32 inch...
Page 64 Parts List— Type 546 EXPLODED VIEW (Cont'd.) SERIAL REF. PA R T D E S C R IP T IO N N O . N O . EFF. D IS C . DELAY LINE, assembly 119-030 _ - - -...
Page 65 Parts List— Type 546 EXPLODED VIEW ( C o n t 'd . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. BASE, large capacitor mounting 432-048 ..Mounting Hardware For Each: (not included) SCREW, 6-32 x % inch HHS...
Page 66 Parts List— Type 546 EXPLODED VIEW ( C o n f d . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. POST, diode tie-off 129-072 Includes: CONNECTOR, terminal 131-309 Mounting Hardware: (not included) SPACER, nylon, .063 inch 361-007 SOCKET, STM8...
Page 67 Parts List— Type 546 EXPLODED VIEW ( C o n t ’ d .) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. ROD, spacer, nylon 385-170 Mounting Hardware: (not included) x 5 / u SCREW, thread cutting, 6-32 inch FHS phillips...
Page 68 Parts List— Type 546 EXPLODED VIEW ( C o n t 'd . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. BAR, stop 381-215 Mounting Hardware: (not included) ■ SCREW, 8-32 x ’/ 2 inch BHS 212-008 PLATE, cabinet, right side...
Page 69 Parts List— Type 546 EXPLODED VIEW ( C o n t 'd . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. PLATE, rear sub-pannel 387-758 - - - - Includes: RING, ornamental 354-056 PLATE, rear overlay 387-766 - - - -...
Page 70 Parts List— Type 546 EXPLODED VIEW ( C o n f d . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. POST, binding 129-064 Mounting Hardware: (not included) NUT, keps 6-32 x 5 / 1 6 inch 210-457 STRAP, ground...
Page 71 Parts List— Type 546 CABLE HARNESS AND CERAMIC STRIP DETAIL POWER CHASSIS HIGH VOLTAGE CHASSIS SWEEP " B " CHASSIS 6-17 ®...
Page 72 Parts List— Type 546 CABLE HARNESS AND CERAMIC STRIP DETAIL SERIAL NO. REF. PART DESCRIPTION EFF. DISC. CABLE HARNESS, inter-connecting 179-771 CABLE HARNESS, power 179-761 CABLE HARNESS, 110 volt 179-765 CABLE HARNESS, —150 volt adjustment 179-764 STRIP, ceramic, 3 /4 inch x 7 notches...
Page 73 Parts List— Type 546 CABLE HARNESS AND CERAMIC STRIP DETAIL ( C o n t 'd . ) SERIAL NO. REF. PART DESCRIPTION EFF. DISC. 124-093 STRIP, ceramic, 7 / , 6 inch x 5 notches Each Includes: STUD, nylon...
Page 74 Parts List— Type 546 ACCESSORIES SERIAL NO. REF. PART DESCRIPTION EFF. DISC. 012-031 CORD, patch-banana plug 103-013 ADAPTER, power cord 103-033 ADAPTER, BNC to binding post 161-010 CORD, power 389-918 PLATE, protector 010-129 PROBE, package, P6008 Includes: 010-030 PROBE, only, P6008...
Page 75 Parts List — Type 546 ELECTRICAL PARTS Values are fixed unless marked Variable. Tektronix Part No. Description Ckt. No. Bulbs READY Neon, NE-2 V 150-030 UNCALIBRATED 150-030 Neon, NE-2 V B90W 150-027 Neon, NE-23 READY Neon, NE-2 V 150-030 B289...
Page 76 Parts List — Type 546 Capacitors [Cont'd) Tektronix Description S /N Range Ckt. No. Part No. 500 v 281-576 11 pf 25 v 283-026 0.2 /if C 76 290-187 35 v 4.7 /i f 150 v 283-003 0.01 /if 281-524...
Page 77 Parts List — Type 546 Capacitors ( C o n t ' d ) Tektronix Description S /N Range Ckt. No. Part No. 500 v C211 283-001 0.005 /if C212 100 pf 350 v 281-523 500 v C218 283-000 0.001 /if...
Page 78 Parts List — Type 546 Capacitors (Cont'd) Tektronix Description Ckt. No. Part No. 500 v C398 283-002 0.01 juf 283-002 500 v C399 0.01 /if 500 v C406 283-001 0.005 /if C412 200 v 285-572 0.1 /if 500 v C424 283-000 0.001 /if...
Page 79 Parts List — Type 546 Capacitors (C o n i'd ) Tektronix S /N Range Description Ckt. No. Part No. 400 v C680 285-510 0.01 ix f 400 v C688 285-510 0.01 fif C694 281-523 100 pf 350 v 400 v...
Page 80 Parts List — Type 546 Capacitors (C o n t'd ) Tektronix Description Ckt. No. Part No. 500 v 283-041 0.0033 /if C932 500 v 283-032 470 pf C934 200 v 0.1 /if C939 283-057 600 v 0.02 /if C941...
Page 81 Parts List — Type 546 Connector Tektronix Ckt. No. Part No. Description S /N Range 131-018 16 contact, female, chassis mounted Diodes Tunnel TD253 10MA 152-154 Germanium Tek Spec *152-075 Germanium Tek Spec *152-075 152-141 Silicon 1N3605 152-141 Silicon 1N3605...
Page 82 Parts List — Type 546 Diodes ( C o n t ' d j Tektronix Ckt. No. Description S /N Range Part No. Tunnel TD202 2.2 MA D405 152-155 152-141 Silicon 1N3605 D433 D541 152-067 Zener 1M25Z10 1 w, 25 w, 10%...
Page 83 Parts List — Type 546 Inductors (continued) Tektronix S /N Range Description Ckt. No. Part No. LR1062 *108-288 1.2 /xh on 6.2 Q '/2 w 5% resistor LI 072 *108-260 *108-260 0.1 ix h LI 082 *131-335 0.5 /xh on 330 Cl Vi w resistor...
Page 84 Parts List — Type 546 Transistors Cont’d Tektronix Description Part No. Ckt. No. Q1034 Matched pair *153-527 Q1044 Q1074 Matched pair *153-525 Q1084 *153-526 Q1104t *153-524 Q111 4tt *153-526 Q1124t *153-524 Q1134tt Q1144 *153-527 Matched pair Q1154 *151-127 Selected from 2N2369...
Page 85 Parts List — Type 546 Resistors ( C o n t 'd ) Tektronix Ckt. No. Part No. Description Prec 324-306 Prec 324-306 302-101 100 f i y2 w 302-101 100 0 y2 w 302-101 100 0 y2 w Prec 323-370 69.8 k...
Page 86 Parts List — Type 546 Resistors (C o n i'd ) Tektronix S /N Range Description Ckt. No. Part No. 'A w R100 316-272 2.7 k R101 316-122 1.2 k R102 316-153 R103 306-273 27 k R105 302-152 1.5 k...
Page 87 Parts List — Type 546 Resistors ( C o n t ’ d ) Tektronix S /N Range Ckt. No. Part No. Description R192 316-101 1 0 0 n 'A w 100 k R193 302-104 Vi w R194 316-820 82 0...
Page 88 Parts List — Type 546 Resistors (Cant'd) Tektronix S /N Range Ckt. No. Part No. Description R269 302-103 V» w R271 303-513 51 k R275 301-513 51 k y 2 w R276 302-471 470 n y 2 w R278 301-752 7.5 k...
Page 89 Parts List — Type 546 Resistors (C o n t'd ) Tektronix S /N Range Description Part No. Ckt. No. R324 303-163 A SWEEP LENGTH 311-011 R325 39 k 305-393 R326 R328 302-102 5.6 k R329 302-562 Vi w 301-155 1.5 meg...
Page 90 Parts List — Type 546 Resistors (C o n t'd ) Tektronix S /N Range Ckt. No. Part No. Description R384 316-820 82 n 'A w R390 75 k y2 w Free 323-373 R391 316-470 47 0 R392 316-101 100 O...
Page 91 Parts List — Type 546 Resistors (C o n t'd ) Tektronix S /N Range Description Ckt. No. Part No. R514 316-101 100 o 'A w R516 302-332 3.3 k Vi w 302-224 R517 220 k EXT HORIZ DC BAL...
Page 92 Parts List — Type 546 Resistors (C o n t'd ) Tektronix Ckt. No. Part No. Description S /N Range R577 302-154 150 k 'A w R578 316-103 R579 302-394 390 k 'A w R580 316-470 47 a 'A w...
Page 93 Parts List — Type 546 Resistors ( C o n t 'd ) Tektronix Range Description Part No. C k f. R645 316-470 47 n R646 308-040 1 .5 k 25 w 25 w R647 308-282 1.35 k Prec R650...
Page 94 Parts List — Type 546 Resistors ( C o n t 'd ) Tektronix S /N Range Description Ckt. No. Part No. 82 k R731 306-823 R734 316-470 47 0 R737 20 w 308-192 100 k R741 302-104 2.7 0...
Page 95 Parts List — Type 546 Resistors (C o n t’d) Tektronix S /N Range Description Ckt. No. Part No. 302-335 3.3 meg R830 R831 306-183 302-101 100 n R832 316-105 1 meg R836 HIGH VOLTAGE 311-034 500 k R840 303-225 2.2 meg...
Page 96 Parts List — Type 546 Resistors (C o n i'd ) Tektronix S /N Range Ckt. No. Part No. Description R1000 82 o 'A w 3 1 6 -8 2 0 2 2 n ’A w R1001 3 1 5 -2 2 0...
Page 97 Parts List Type 546 Resistors (Cont'd) Tektronix S /N Range Description Ckt. No. Part No. 308-232 320 n R1118 R1124 301-270 27 o 'A w Prec 321-204 1.3 k R1126 Ve w R1129 308-283 800 n 10 w 315-100 i o n...
Page 98 Parts List — Type 546 Switches (Cont'd) Tektronix Ckt. No. Part No. Description Range Un wired Wired SW215t PULL FOR X I0 RANGE INCREASE 311-426 A TIME/CM SW290 260-530 *262-595 Rotary SW290Ztt 311-391 SW369 Lever SINGLE SWEEP 260-496 1 SW135...
Page 99 Parts List — Type 546 Electron Tubes ( C o n t'd ) Tektronix Description Ckt. No. Port No. V609 154-291 154-043 12AX7 V624 V634 154-022 6AU6 V637 154-202 6CW5 154-202 6CW5 V647 V664 154-414 6BY8 V677 154-056 6080 12AX7...
Page 100 A n y letter-series o r 1-series p lu g -in unit o r the TU-2 can be used in place o f the Type TU -7 w hen tro u b le sh o o tin g the T ype 546.
Page 101 T Y P E . 5 4 6 O S C IL L O S C O P E...
Page 102 B L O C K D IA G R A M Z€>4...
Page 103 POWER SUPPLY VOLTAGE READINGS WERE OBTAINED under the fo llo w in g condition s: LINE V O L T A G E ..........115 V A C (or Design Center) INPUT S I G N A L ..........N one N one ‘A ' A N D ‘...
Page 104 V 5 7 4 V S & 4 D js 6oue 0 7 6 4 0 5 1 4 0 3 9 3 O Z 9 3 OZZ4 0 3 4 5 < 3 6 0 0 6 6 D J 6 6 D J 6 6 0 0 6 6 D O...
Page 105 R730 KfcOI-€>...
Page 106 CRT CIRCUIT W AVEFORM A N D D Y N A M IC VOLTAGE READINGS w ere o b ta in e d under the fo llo w in g conditions: IN T E N S IT Y ............P O W E R ............* V o lta g e read in g o b ta in e d w ith associated c on tro l set fo r norm al o p e ra ...
Page 107 C M D T Y P E 5 4 6 O SCILLO SCOPE C R T CIRCUIT <£>...
Page 109 ‘B’ SWEEP TRIGGER W AVEFORMS A N D VOLTAGE READINGS w ere o b ta in e d under the f o l lo w in g conditions: TIME BASE A — TRIGGER INPUT S ignal ....... None TRIGGERING: M O D E ............. TRIG SOURCE ..........
Page 110 IOOV T Y P E S -4 6 O S C IL L O S C O P E...
Page 111 IM 9 DECOUPLING. < ^ > s w e e p t r i g g e r...
Page 112 ‘B’ SWEEP GENERATOR W AVEFORMS A N D VOLTAGE READINGS w ere o b ta in e d under the f o l lo w in g conditions: TIME BASE A — N one TRIGGER INPUT S ignal ....TRIGGERING: M O D E .............
Page 113 T Y P E . 5 4 6 O SC ILLO S C O P E 'E> S W E E P G E N E R A T O R < § >...
Page 114 O ' I <6>...
Page 115 DELAY PICKOFF W AVEFORMS A N D VOLTAGE READINGS w e re o b ta in e d u nder the f o l lo w in g condition s: TIME BASE A — ‘A ’ TRIGGER INPUT S i g n a l ....N one ‘A ’...
Page 116 + 10OV + 225V + Z 2 5 V +IOOV (DEC) I____________________I DECOUPLING d l v t r i g J 4 3 1 + G A T E FROM V 195A THRU RI994-CI99 <S> -0*0 J 4 3 5 ( ©...
Page 117 ‘A ’ SWEEP TRIGGER WAVEFORMS A N D VOLTAGE READINGS w ere o b ta in e d under the fo l lo w in g conditions: TIME BASE A — TRIGGERING: . TRIG M O D E ..........S L O P E ...........
Page 118 I - ---------- C M D 2& 4 TYPE. 5 4 5 O S C IL L O S C O P t SWEEP TR IG G E R <a>...
Page 119 ‘A ’ SWEEP GENERATOR W AVEFORMS A N D VOLTAGE READINGS w ere o b ta in e d under the f o l lo w in g conditions: TIME BASE A — TRIGGERING LE V E L......+ 4 5 ° ; knob pushed in TRIGGERING: S L O P E ..........
Page 120 < $> > '< < >...
Page 121 ~i---------1 --------- riTjM E/cM ^--------- r--------- r S W E E P T IM IN G S W IT C H T Y P E S 4 6 O S C ILLO S C O P E < b < b 4...
Page 122 DELAYED MODE DELAYED MODE 'A' SWEEP SINGLE SWEEP LOCKOUT A' SWEEP TRIGGER EXTERNAL HORIZONTAL B' SWEEP LOCKOUT RESET SWEEP DISABLE INPUT ATTENUATOR LOCKOUT ________ SW53Q -\ HORIZONTAL DISPLAY |- (FRONT SECTION) HORIZONTAL AM PLIFIE R INPUT SWEEP MAGNIFIER HOLDOFF ALT-TRACE MAG ON LIGHT UN BLANKING DELAY...
Page 123 HORIZONTAL AMPLIFIER W AVEFORM A N D VOLTAGE READINGS w ere o b ta in e d under the fo l lo w in g conditions: M A IN TIME BASE (B) — TRIGGERING LEVEL ......+ 4 5 ° ; pushed in TRIGGERING: M O D E ............
Page 125 SYNC AMP. W AVEFORM A N D VOLTAGE READINGS w ere o b ta in e d under the fo l lo w in g conditions: HORIZONTAL D IS P L A Y ......B SINGLE SWEEP S w it c h ....... NORMAL M A IN TIME BASE (B) —...
Page 126 ALTERNATE. TRACE SYNC - PULSE R E F E R E N C E D R A W IN G S : P O W E R S U P P L Y 4 H EA TER W IRING D IA G C R T C IR C U IT V E R T IC A L A M P L IF IE R ' B ' S W E E P T R IG G E R...
Page 127 CALIBRATOR W AVEFORM A N D D Y N A M IC VOLTAGE READINGS w ere o b ta in e d under the fo llo w in g conditions: AMPLITUDE CALIBRATOR ......10 Volts P O W E R ............A lso see IMPORTANT note on Block D iagram .
Page 129 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 developed and tested. Sometimes, due to printing and shipping require ments, we can't get these changes immediately into printed manuals.
Page 130 T Y P E 5 4 6 R581 and R591 to the Horizontal Amplifier schematic. A D D : + IOOV - I BOV PART. H O R I Z O N T A L A M P . T Y P E .
Page 131 TYPE - - TEN T. S /N 1+50 PARTS L IS T CORRECTION CHANGE TO: R511 311-1+91 10 k VAR 1 0 -1 M 8179/861+...

Tektronix 546 Instruction Manual

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