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Tektronix 184 Instruction Manual
Tektronix 184 Instruction Manual

Tektronix 184 Instruction Manual

Time-mark generator

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-
INSTRUCTION
MANUAL
Serial Number
-
-
Tektronix, Inc.
500
97005
644-0161
S.W. Mill ikan
Way •
P. O. Box
Beaverton , Oreg on
Phone
Cab les: Tektronix
1065
070-0499-00

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Summary of Contents for Tektronix 184

  • Page 1 INSTRUCTION MANUAL Serial Number Tektronix, Inc. 97005 644-0161 S.W. Mill ikan Way • P. O. Box • Beaverton , Oreg on • Phone • Cab les: Tektronix 1065 070-0499-00...
  • Page 2 WARRANTY All Tektronix instruments are warranted against defective materiols and workman­ ship for one y or, Tektronix transformers, manufactured in our own plont, are war­ ranted for the life of the in strument. Any questiolns with respect to the war­...
  • Page 3 ,..CONTENTS Section Characteristics Instructions Section Operating Section Description Circuit Section Maintenance Section Performance Check Calibration Section Elect rica Ports list Section Parts list Section Mechanical Section l is t of abbreviations and symbols used will this manual found immediately pre­ ceding Section Change information, located...
  • Page 4 IttAl Typ e TIm e-M ark Gen eta tor Fig . 1 -1.
  • Page 5 5 s. Crystal Oscillator Crystal contained in a temperature control led oven at 75°C. A l l outputs of the Type 184 are freq uency controlled by a stable 1 0 MHz crystal oscil lator. Frequency 10 MHz ±0.001 % (25°C ±...
  • Page 6 NOTES...
  • Page 7 .1 S lOpS .1mS '''' T ..""K II H.�. 5�Lt(;toll AMPlIFI(R .,.". .., r OUTPUT n ,,. O NI' IN .0 .. ] ,'tj .. 1 LANO 0"10o", U 9 ... S(lu r�I<TRorJIX Fig. 2-1. Typ. 184 fr,onf-pan&1 <on'trol�.
  • Page 8 Operating Instructions-Type 1 84 TRIGGER Pushbutton selector switches similar to the OUTP UT, a m arker button must SELECTOR MARKER SELECTOR switch select trigger b e p u s h ed i n to apply power to pu lses for external equipment.
  • Page 9 The output signal is li nk-coupled to match Introduction the load. This section describes the Type 184 circuitry with reference 50 ns time markers are generated after doubling the to the block diagram and circuits in Section 9. The reader 10-MHz oscillator cathode-tank frequency in the plate tank should fol l ow the diagrams as their description is presented.
  • Page 10 Circuit Description-Type 1 84 10 MHz sine wave. This waveform is then differentiated by 5 f.Ls 5) Countdown the coupling networks and appears at the em itter of 0103 This circuit (01 45, 0155 and associated circu itry) is a as a positive going .1 time marker.
  • Page 11 Circuit Description-Type 1 84 attached to the output connector and preserves the rise 1 2 Volt Supply and fal l time of the time-marker pulses. The -30 volt supply is the reference voltage for the comparator amplifier 0536 and 0546. The output of the comparator a m plifier is appl ied to the base of emitter-fol­...
  • Page 12 NOTES...
  • Page 13 The life o f potentiometers a n d selector Lubrication. in the Type 184 are standard items available local ly. The switches is lengthened if these devices are kept p roperly remainder of the electronic components and most of the lu bricated.
  • Page 14 Sil ver-bearing solder can be pu rchased pul led loose from the chassis. If the spacers come out with directly from Tektronix in one-pound rol ls; order by Tek­ the strip, remove them from the stud pins to be used for tronix Part No.
  • Page 15 The diagrams give the circuit reference num­ ber for each electrical component as wel l as important Fig. 4-3. Diode polarity of the g l ass diodes used in the Type 184. operating voltages, signals, and conditions for their meas­...
  • Page 16 Type 1 84, check that the equip­ isolated to the rectifier circuit or the regul ators by discon­ ment used with the Type 184 is operating correctly. Check necting pin conn ectors for that voltage at the board.
  • Page 17 Maintenance -Type 500 MHz 4.li. fig. SOD MHz (2 n.1 tc!".d·wlrlng boord. Mlh (5 I!OI(h Fig. 4.6. 200 d·wlrll19 booriJ. Fig. 4-7. 500 flI1@r o;,(h@d-wlring boord. ® 4 -5...
  • Page 22 NOTES...
  • Page 23 Check accuracy of the .1 p.S markers (1 0 MHz crystal tronix Part No. 01 7-0079-00. osci l lator frequency). 8. Adapters, GR to BNC, female. Tektronix Part No. 01 7- d. Remove the coaxial cable and 50 termination from 0063-00.
  • Page 25 Connect the output of the MARKER OUTPUT connecto r resistor across the dual binding post adapter. Connect a on th e Type 184 through a 50 n coaxial cable and 50 n clip lead to BNC adapter to the dual binding post adapter termination resistor to the vertical Input connector of the (red lead to the red binding post).
  • Page 26 Performance Check-Type 184 Vertical Plug-In Unit (Type 3576) TABLE 5-3 1 00 Mv/Div Type 1 84 Test Osci l l oscope I n put Sel ector A Only Marks/Cm TRIGGER SElECTOR Time/Cm 1 p.SEC 1 p.S d. Check ampl itude and timing of the sin e-wave markers in accordance with Ta ble 5-4.
  • Page 27 C h aracteristics s ecton of this m a n u a l . 1 l . Adapter: clip lead to BNC. Tektronix Part No. 01 3- 0076-00. 1 2. Adapter: BNC to dual binding post. Tektronix Part EQUIPMENT REQUIRED No.
  • Page 28 C�lli b ration-Type 1 84 . 1 1 1 5 ' 4 6 1 1 9 ' ( 1 0 1 1 1 1 1 1 1 3 1 Fig. Equipment r.(o,"m�"d.d for (allbration. 6-1.
  • Page 29 Calibration - T ype 1 84 .5 mS CALIBRAT I O N RECORD A N D I N DE X Tnis Abride d Calibration Procedure is provid d to aid 0 cal ibration S mS II moy be us d in cn eking tno op ,ohon or th...
  • Page 30 ..., Calibration-Type 1 84 turer's specifications. I f there is any dOllbl, t Ie tcsl equi p­ I-I . F, sine-wove marker accuracy and amp litude (greater shou l d be cali brated before il is used. than 0.3 VI Preliminary Pro,cedure 5 nS 1 .
  • Page 31 Calfibralion-Type 1 84 Horizonlal Display Time Base A Check Oven Light a. Check oven ight opero ion. Sweep Controls and off 01 a pproxi mately b. After 5 minute worm · u p lime, oven should cyde on 5 mSEC A Time/ern ·2 mi nute interva ls.
  • Page 32 Calibration-Type 1 84 hrmlnallon .., Cobl •• Conlrol Sol iogs: ,1 f S 1 84 EC T O I I r S MARKER T R IGGER SELECTOR MARKER AMPU rll::R H.,F. SELECTOR T It 0 cil losco'!) Crl con rals Adjust for focused disploy...
  • Page 33 Ca l i b rati on-Type 1 84 Mo,lIen .1 ftS M o r .� liS aUII,a(y 'P,lg, 6 · 8 b . Tvplcal d"play . 5 1'S marlc.rl, ( 1 08 fig, 6.80. Typical clilplav 1 ,.S ma,k.,.. 1" ,I", I"...
  • Page 34 Calibration-Type 1 84 • • • • • • Laboratory Standard Freq Measuring Device Fig. 6- 1 0a. Suggested setup for adjusting crystal oscillator to laboratory standard. Step 5. Connect probe across voice Lead in from the antenna coil of the receiver or, if possible, from output second...
  • Page 35 Calibration-Type 1 84 Control settings: b. Apply the Type 1 84 .1 p.S markers from the MARKER OUTPUT connector through a 50 coaxial cable and 50 1 84 termination to th e Input con n ector of the Frequency Counter. c.
  • Page 36 rati 1 84 OU1PU T Mark. Trloo·' O U TPUT 6·1 ' . T,. Fill. accuracy and CII m pl ltucf •• S'ap .qul,,,, , . ,,, 'f l U p ehf<klng tlmo.moth, alld ,fep Vorti(al Plug-In Unit Control sct jngs: Volls/Div Type 1 84 Col lbrated...
  • Page 37 Calibration-Type 1 84 TABLE 6-2 Type 1 84 Test Osci l l oscope Type 1 84 MARKER SELECTOR Time/Cm TRIGGER SELECTOR Adjust Typica l Displ a y (Fig. .1 p.S a n d . 5 p. S .5 p.SEC 1 p.S C1 08 6-1 2a) .5 p.
  • Page 38 CoHbrotion Typo 1 84 Countdown B o a t d 1 I , S E C C 1 08 m S ., c S p o r Sold •• M H r 11 1 <4 6 Boat d 500 MH. Daub'.t 'aard I b J Coun,down...
  • Page 39 Ca l ibration Type 1 84 r." � I g . mlcuu •• s •• " Oqulp",o"t IOIUp to h"do. Siobilily Control settings: Triggering level Midrange 1 84 MARKtR SELEC OR As di rected in Tobie 6·3 Verti c a l Plug.ln Unit TRIGGER SELECTOR...
  • Page 40 Calibration-Type 1 84 d. Change the MARKER AMPLIFIER switch to the (-) position and the test oscilloscope Trigger Slope switch to ( - I nt) position. e. Check the ampl itude of the Marker Amplifier output signal for a minimum -25 volt signal. See Fig. 6-1 4b. f.
  • Page 42 y p o Cali bration - 1 84 TABLE 6·4 - - - - - - - - - ....- l B 4 Test Osci l lo$<;ope Time/Cm TRIGGER SELECTOR M'Clrks/Cm /lSEC...
  • Page 43 CCl l ibrotion-Type 1 84 .A I �ol ·00 F I S . n " (Jd . 6 · 1 8 marker adlu.tmonl C l 08 GAd 50 M H I ( 20 f I , 6· 1 9. 1 0 MI'll ",., SO MH.
  • Page 44 Type 1 84 H,�, OUfPUT 50 H coax cobl. rtgg r l in t Con'ltol SeHings. Horiz Mog '" Type 1 84 1 00 Dots Pcr Div MARK E R SEleCTOR I O nS TRIGGER SELECTOR V rtic:al Pl Unit MARKER AMPLIFIER in Tobie 6·6 .
  • Page 45 CQlibration-TYlpe 1 84 ol« l I l o,or. Flf). 6.2 1 . Adjustmen, C5 5 C.57, 5 nS H . f . TABLE 6·6 Test A d j u s l for m Q Ki m u m H . F . S E l ECTOR Type 1 8 4 Osci lloscope sig n a ! a m p i l l ud...
  • Page 46 NOTES...
  • Page 47 ABBREVIATIONS AND SYMBOLS A or a m p amperes ind uctance A C or ac alternating current lambda-wavelength audio frequency large compared with < a l pha-common.base current a m p l ification factor less than amplitude modulation low frequency approximately equal to length or long beta-common·em itter current ampl ification factor...
  • Page 48 If a part you have ordered has been replaced with a new or im proved part, you r local Tektronix, Inc. Field Office or representative will contact you concerning a n y change in part number.
  • Page 49 Type 1 84 SECTION 7 ELECTRICAL PARTS LIST Values are fixed unless marked Varia ble. Tektronix Part N o . Description Ckt. No. SIN Range Bulbs Use 1 50-0056-00 Neon, Assembly B504 OVEN B534 1 50-0052-00 Incandescent /translucent lens POWER...
  • Page 50 El ectrical Parts List-Type 1 84 Capa citors (Cont'd) Tektronix Description SIN Range C kt. No. Part No. 500 V 1 0 % 281 -051 1 -00 22 pF 22 pF 500 V 1 0 % 281 -051 1 -00...
  • Page 51 Electrical Parts List-Type 1 84 Capacitors (Cont'd) Tektronix Part No. Description SIN Range Ckt. No. 3S V 1 0 "10 C283 290-0264-00 0.22 p.F 281 -051 1 -00 22 pF 500 V 1 0 "10 C288 SO V C292 283-001 0-00 0.05 p.F...
  • Page 52 Electrical Parts List-Type 1 84 Diodes (Cont'd) Tektronix Ckt. No. Part No. Oescri ption SIN Range Replaceable by 1 N3605 0 1 08 *1 52·01 85·00 Silicon *1 52·01 85-00 Silicon Replaceable by 1 N3605 01 1 5 01 22 *1 52·01 85-00...
  • Page 53 Electrical Parts List-Type 1 84 (Cont'd) Diodes Tektro n ix Ckt. No. Part No. Description SIN Range 0372 *1 52-01 85-00 Sil icon Replaceable by 1 N3605 0377 *1 52-01 85-00 Sil icon Replaceable by 1 N3605 0380 *1 52-01 85-00 Sil icon Replaceable by 1 N3605 0388...
  • Page 54 Electrical Parts List-Type 1 84 (Cont'd) I nductors Tektronix P a rt No. Descriptio SIN Range Ckt. No. Core, ferramic suppressor L1 21 276-0507-00 Core, ferramic su ppressor L122 276-0507-00 L1 23A,B *1 1 9-0062-00 Delay li ne Assembly L1 31...
  • Page 55 Electrical Parts. List-Type 1 84 (Conrd) Transistors Tektronix Part No. D escription SIN Ran g e Ckt. No. Replaceable by 2N91 8 Q353 * 1 51 -01 59·00 Replaceable by 2N2924 Q3 55 * 1 5 1 -01 54-00 * 1 51 -01 59-00...
  • Page 56 Electrical Parts List-Type 1 84 (Cont'd) Resistors Tektronix Ckt. No. Part No. Description SIN Range 27 k 31 5-0273-00 31 5-0470-00 4 7 n 1 / 4 W 31 5-01 02-00 1 / 4 W 31 5-01 02-00 1 / 4 W...
  • Page 57 Electrical Parts List-Type 1 84 (Cont'd) Resistors Tektronix Description SIN Range P a rt No. C kt. No. R1 83 31 5-0222-00 2.2 k Prec 60.4 k R1 85 321 -0364-00 31 5-0302-00 R1 90 11 4 W R1 94...
  • Page 58 Electrical Parts List-Type 1 84 (Cont'd) Resistors Tektronix P a rt No. Descri",tion Ckt. No. SIN Range R303 3 1 5-0222-00 2.2 k 1/ 4 W R305 3 1 5-051 3-00 51 k R306 31 1 -0464-00 25 k 3.6 k...
  • Page 59 Electrical Parts List-Type 1 84 (Conl'd) Resistors Tektronix Description SIN Range Ckt. No. Part N o . 1/4 W 1 .2 k R452 31 5·01 22-00 1/4 W 3 1 5-01 02-00 R454 1/ 2 W R456 301 -0272-00 2.7 k...
  • Page 60 Electrical Parts List-Type 1 84 Electron Tubes Tektronix Part No. Description Ckt. No. SIN Range V 1 0 1 54-0465-00 7587 7587 1 54-0465-00 1 54-0465-00 7587 1 54-0465-00 7587 1 54-0465-00 7587 7587 1 54-0465-00 Crystal 1 5 8-0023-00...
  • Page 61 SECTION 8 MECHANICAL PARTS lIST A list of abbreviation s a n d special symbols in use t h ro u g h out this m a n u a l wi l l b e fou n d i m m ediately precedi n g t h e Electrical Parts List, Section Abbreviati ons and sym bo ls used in this m a n u a l are based on or taken directly from IEEE Sta n d ­...
  • Page 62 Mechanical Parts List-Type 1 84 FRONT 111 0 . SERIAL/MODEL REF. DESCRIPTION PART NO. EFF. DISC. 366-0343-03 KNOB, pushbutton, POWE R OFF 366-0298-00 KNOB, pushbutton, 1 0 nS 366-0299-00 KNOB, pushbutton, 20 nS KNOB, pushbutton, 50 nS 366-0300-00 KNOB, push button, .1 p.S 366-0301 -00 366-0302-00 KNOB, pushbutton, .5 p.S...
  • Page 63 Mechanical Parts List-Type 1 84 (Cont'd) FRONT SERIAL/MODEL NO. REF. PART NO. DESCRIPTION EFF. DISC. 366·0307-00 KNOB, pushbutton, .1 mS 366-0309-00 KNOB, pushbutton, 1 mS 366-031 1 -00 KNOB, pushbutton, 1 0 mS 366-031 3-00 KNOB, pushbutton, .1 S 366-031 5-00 KNOB, pushbutton, 1 S 260-0727-00 SWITCH, unwired, MARKER SELECTOR...
  • Page 64: Table Of Contents

    Mechanical Parts List-Type 1 84 FRONT (Cont'd) SERIAL/ MODEL NO. REF. DESCRIPTION PART NO. NO . EFF. DISC. SOCKET, 1 36-01 64-00 l a m p mounting hardware: (not included w / socket) NUT, 7 / 1 6 2 1 0-0590-00 hex., %-32 x inch 1 /2...
  • Page 65 Mechanical P arts List-T ype 1 84 ®...
  • Page 66: Socket

    Mechanical Parts List-Type 1 84 CHASSIS SERIAL/MODEL NO. REF. DESCRIPTION PART NO. EFF. DISC. CHASSIS 441 -061 9-00 mounting hardware: (not i ncl uded w/ chassis) - - - - x 1 / 4 SCREW, 6-32 inch, p h i l l i ps 21 1 -0504-00 SCREW, THS,...
  • Page 67 Mechanical Parts List-Type 1 84 (Conrd) C HASSIS SERIAL! MODEL NO. REF. DESCRIPTION PART NO. EFF. DISC. .485 10 GROMMET, plastic, % inch 348-0063-00 LUG, solder, SE 21 0-0201 -00 mounting hardware for each: (not incl uded w/lug) SCREW, thread forming, 3/1 6 inch, PHS, phillips 21 3-0044-00 5-32...
  • Page 68 Mecha nical P arts List-Type 1 84 BOARDS & REAR ®...
  • Page 69: Nut, Hex., %-32

    Mechanical Parts List-Type 1 84 BOARDS & REAR SERIAL/MODEL NO. REF. DESCRIPTION PART NO. EFF. DISC. 386-01 53-00 PLATE, bul khead plate i ncl udes: - - - - - - CLAMP 1 / 4 2 1 1 -0094-00 SCREW, 6-32 THS, i nch, phil l i ps...
  • Page 70: Lockwasher, I Nternal

    Mechanical Parts List-Type 1 84 (Cont'd) BOARDS & REAR SERIAL! MODEL NO. REF. PART NO. DESCRIPTION EFF. DISC. SU B-PART OF TRANSFORMER (see chassis view) 1 1 9-0062-00 ASSEMBLY, DELAY LINE - - - - - - mounting hardware: (not incl uded w /assembly) x 1 /2 i nch, PHS, phi l l i ps 21 1 -001 4-00 SCREW,...
  • Page 71 Mechanical Parts List-Type 1 84 (Cont'd) BOARDS & REAR SERIAL/MODEl NO. REF. PART NO. DESCRIPTION EFF. DI SC. ASSEMBLY, etched board, MHz MULTI PLIER 670-0205-00 assembly i ncl udes: BOARD, etched 388-0630-00 PIN, con nector, straight 21 4-0506-00 SOCKET, nuvistor, with ring 1 36-01 25-00 TANK, tuned, - - - - - -...
  • Page 72 Mechanical Parts List-Type 1 84 CERAMIC STRIPS & CABLE HARNESSES SERIAL/MODEL NO. REF. PART NO. DESCRIPTION EFF. DISC. STRIP, ceramic, notch 1 24-01 46-00 each stri p i ncl udes: STUD, plastic 355-0046-00 mounting hardware for each: (not incl uded w /strip) SPACER, plastic 361 -0008-00 STRIP, ceramic,...
  • Page 73 Mecha nical Parts List-Type 1 8 4 CABINET SERIAL/MODEL NO. REF. PART NO. DESCRIPTION 437-0078-00 EFF. DI SC. ASSEMBLY, cabinet 386-0 1 41 -00 assem b l y i n c l udes: 426-0253-00 PLATE, side 377-01 2 1 -00 FRAME, front left 426-0252-00...
  • Page 74 Mechanical Parts List-Type 1 84 (Cont'd) CABINET SERIAL/MODEL NO. REF. DESCRIPTION PART NO. EFF. DISC. GUIDE, right 351 -0092-00 BUSH I NG, pl ug-in securing, left 358-0293-01 mounting hardware: (not incl uded w/ bushing) - - - - - - SCREW, x % i nch, PHS, phillips 6-32...
  • Page 75 Mechanical Parts List-Type 1 84 STANDARD A CCESSORIES SERIAL/MODEL NO. REF. DESCRIPTION PART NO. DI SC . EFF. 1 61 -0024-00 1 00 1 999 CORD, power 1 61 -0024-01 2000 CORD, power 1 03-001 3-00 ADAPTER, 3- to 2-wire CABLE, BNC 01 2-0057-00 1 00...
  • Page 76 NOTES...
  • Page 77 VOLTAGE AND WAVEFORM CONDITIONS 20,000 Vo ltage read i n g s were taken with a o h ms / vo l t VOM. read i n g s i n vo lts. Voltages are measured wit h respect to c h assis g rou n d unless otherwise n oted .
  • Page 78 - n u l SW70 - - - 2.00 MHz DOUBLER OFF 0 roo MHz. DOUBLER 500 MHz. V 4 0 MUL TIOLIER 50 MHz AMPLIFIER .1y.5 20 MHz 5HAPER Q I 2 5 L 50 MHz. DOUB LER Q9 4 MULTIPLIER QI04 Q I I 4...
  • Page 79 - - - - - - - - - - - - - 5 n5 o?o�------� OFF 0 SW400 SEL ECTOR I O n S"\...- Z.OnS""'v 50 nS'V OUTPUT . 1).La EMITTER FOLLOWER Q403 .5...u. & 5 0)..1. 5 . l mS OUTPUT .
  • Page 80 �n5EC/OIV LINt( C.OUPLING (5EE TE.XT) SWITCHES SELF CANc.eLLING PUSH BUTTON � REFf.RENCE DIAG.RAM5 .I;<.S TO 50).1.$ COUNTDOWN � MARKER TRIGG.ER SELECTOR SWIT(.HES & POWER SUPPLY ¢ TYPE 184 TIME MARK GENERATOR OSCILLATOR MULT I P L I E R S...
  • Page 81 j ; I T I O V/DI V � , � �rq � , . � +12\1 O.\>,5EC/DIV � o. I jJ..5EC/DIV Httt l, i - � ; +12'1 : I I . I I I • • f.A.Ll 2V/DIV.L .
  • Page 82 +2. V FROM C546 <b -I4:�uF � R I S 6 +1 2V R I SO +l2 V 1 . 2 K. + J 2Y eN/D I V R I 5b +1 2.. V R I70 1 .2K. +12V Rlbl CI�J 39K.
  • Page 83 +12Y R 2 1 0 3 K. O.l mSEC/CIV R201 Q2 13 + J ZY + 12V c 2 1 2 +8.0 +--ll-�""' '+-=-t- -{ R2.16 R 2. 0 3 2..2. 1<. � +0.10 D217 D2.00 + 1 2\1 � ��� <6>...
  • Page 84 . l m S O.5mSEC/ DIV C 2 3 3 R2:>1O Q233 +12 \1 R250 +12V 1 1V ..12\1 CZ52. 0047 R2510 <§> D 2.57 2.40 +1 2.V C2.48 Q 2 55 3.61( +12. Y R2bl :>91( I ' JoL C273 02.72 R2.76...
  • Page 85 +12.V R51Q 3.6K 50mS + 1 2 R301 ,'1 9 K Q3/3 + 1 2V � R30" C312 9 .4 R50S R'O, 2.2K RSl4 9 . 1 K. D300 +O.b +12.V Q 305 R321 Q 333 +12V C332 0.47 R336 R323 0320 2.2K...
  • Page 86 50 mS...
  • Page 87 v 1.0 SW50 \ "40 .I }-I S SW10 L1& , 50 1 1 0 " so" 10" "v "v "v + 1'2.V RA0 3 R401 041 'l.. PARTIAL P ) IV IN-T O �O.n. ("4! VOLTAGES obtamed under conditIOns given on dlagram except as follows: ImS engaged ImS engaged...
  • Page 88 11-1 MA.. R "'r:.R� '0)-1 5 50)-lS S'lTlS SOmS \OTnS .Im� .S S .1.. .l.. .l.. S W400 MAQI(EQ "'E.LEC-TOR ..POWE.R AE. e:.. U �ATO R c..OUltJTDOW..PARTIAL I'tV -.1470 (.4�8 r�y6 - \ 1' 1 ' : 1 C.4�1 R4b4 '2..7\(...
  • Page 89 Q58.3 R56b 4.71( R580 Q58 7 R�70 8.2.1<. D5bO 'iI.IV � VOLTS R562. R574 2.71<. IB< 2:2Y'F�+ C580 <$ PARTIAL COUNTDOWN POWE.f< RE.GULATOR BOARD REFE.RENCE DIAGRAM5 � OSCILLATOR MUL TIPLIERS � TRIGGER SELECTOR POWER bUPPLy TYPE 184 TIME MARK GENERATOR...
  • Page 91 TIPE Page 1 Of 2 TEXT CORRECTION SECTION CHARACTERISTICS Page column 1-1 , Trigger Output Amplitude > 0 . 4 V into > 2 . 5 into open circuit . Other Characteristics Crystal Oscillator Cryatal contained in a temperature controlled oven at 75°C .
  • Page 92 Page TYPE 184 SECTION CALIBRATION 6-5 , Page column Step 3 c Change : Check--regulation and ripple of the power supplies while changing the 94 .5 input 8upply voltage between to 137 . 5 VAC ( or 189 to 275 VAC ) .
  • Page 93 'fiPE 184 CORRm'l'ION TEXT C haracteristics Section 1 Page colUlm �] CHANGE : Other Characteristics to read: Stability Frequency drift in 24 hours, ( 25°C ±5°C ) �3 P!M after hours continuous operation and 72 hours ini tial operation .
  • Page 94 2200 TYPE TENT SN PARTS LIST CORRECTION CHANGE TO : B5 34 V, 40 IIA Incandescent , Ml2 , 031/667...
  • Page 95 2060 TYPE TENT PARTS LIST CORRECTION CHANGE TO : R325 321-0385-00 R345 323-0357-00 51 .1 C323 290-0183-00 20 V �10 % "po c343 290-0301-<>0 20 V �10 % 10 "I' M12 ,220/467...