manualshive.com logo in svg

HP 7414A, Operating And Service Manual

Share
Download
HP 7414A Operating And Service Manual Download Page 1

Summary of Contents for 7414A

Page 1: ...HP Archive This vintage Hewlett Packard document was preserved and distributed by www hparchive com Please visit us on the web Scanned by on line curator Tony Gerbic For FREE Distribution Only ...

Page 2: ...OPERATING AND SERVICE MANUAL THERMAL TIP RECORDER 7414A HEWLETTi IPACKARD ...

Page 3: ...g Page 5 25 Figure 5 14 Page 6 6 Table 6 1 Page 6 12 Table 6 1 Page 6 14 Table 6 1 Page 6 16 Table 6 1 Change reference to Paragraph 5 57 to Paragraph 5 59 Change Figure 6 15 reference to Figure 5 4 Should read by levering from front of top bar Change step to read Remove snap ring holding sprocket to drive roller shaft using snap ring pliers C ring 0510 1017 shown has been changed to snap ring 051...

Page 4: ...justment Delete 1 07754 00840 Spacer and 3 07754 00860 Shim Page 6 13 Table 6 1 Delete A10W1 Cable interlock Page 6 27 Figure 6 12 Delete INTERLOCK ASSEMBLY at bottom center of schematic Substitute a black jumper across the pins on the Transfer Board A3A1 r I I I I I I 1 J 0 18937 4 0 18930 6 March 1972 2 A I 1 t I I I ...

Page 5: ...HT DIGIT SERIAL NUMBER AND MAKE ANY LISTED CHANGE IS IN THE MANUAL SERIAL PREFIX ALL INSTRUMENTS NEW OR REVISED ITEM 6 ERRATA MAKE MANUAL CHANGES ERRATA SERIAL PREFIX MAKE MANUAL CHANGES Page 5 22 Figure 5 12 On Speed Control Connections Pin 3 connects to ORANGE wire and Pin 4 connects to YELLOW wire Page 5 28 Figure 5 18 In lower right corner specification for SHAFT END PLAY of gearbox should be ...

Page 6: ...rders having serial numbers pre fIxed 1145A OTHER PREFIXES For instruments having prefixes lower than 1145A refer to Appendix I Backdating Supplement For higher prefixes see the manual change sheets pro vided OPERATING AND SERVICE MANUAL 0741 4 91999 Copright 1972 Hewlett Packard Medical Electronics Division 175 Wyman Street Waltham Massachusetts 02154 PRINTED MARCH 1972 ...

Page 7: ...ents 5 12 3 5 System Operation 3 1 5 38 Corrective Maintenance 5 18 5 40 Galvanometer Removal SECTION IV PRINCIPLES OF OPERATION 4 1 and Replacement 5 19 4 1 Introduction 4 1 5 43 Drive Unit Removal and Replacement 5 21 4 4 Preamplifier Power Supply Circuits 4 1 5 46 Paper Table Disassembly for Drive 4 7 Recorder Signal Circuits 4 1 Roller Replacement 5 23 4 11 Stylus Linkage 4 1 5 48 Gearbox Remo...

Page 8: ...lator 440 Hz A18 868 500ACI4 6 35 6 22 Accessories A19 Reference 6 35 5 13 5 14 5 15 4 3 4 6 4 7 4 8 4 9 4 4 4 5 4 5 5 12 5 3 5 11 5 16 5 18 5 31 4 10 4 12 4 12 5 19 5 20 5 21 5 22 5 24 5 25 5 26 5 27 5 28 5 28 5 29 5 29 5 1 Test and Adjustment Points 5 2 Test Cable Plug and Fixtures 5 3 Driver Amplifier and Regulator Oscillator Test 2 Preamplifier Power Supply Circuits Simplified Diagram 4 3 Reco...

Page 9: ...Section I General Information 1 0 Model 7414A MODEL 7414A RECORDER IN BENCHTOPENCLOSURE MOBI LE CART OPTION 054 Figure 1 1 Model 7414A Recording System and Optional Configurations 07414 1 ...

Page 10: ...e filed in the original flat box pages are 8 x 12 inches 20 x 30 cm approximately A new pack of chart paper can be loaded quickly in less than ten seconds to minimize loss of recording continuity 07414 1 1 8 The recorder may be remotely controlled to mark events start or go on standby Two event markers are provided one permits the user to indicate the start and finish of an event the second provid...

Page 11: ...ity DAMPING Galvanometer damping set to about 4 overshoot CHART PAPER Four 40 mm wide channels each with 50 divisions time lines every 1 mm heat sensitive Z fold Permapaper with green grid lines is available in packs of 500 sheets each sheet 12 inches 30 cm long and numbered for footage and index ing Green grid lines and black stylus trace make recording suitable for reproduction PAPER LOADING No ...

Page 12: ...r moss gray Bench Top Enclosure 07754 60261 Rack mounting kit Figure 2 7 with paper take up tray and panel For 115 230V ac 50 Hz operation Less one channel right channel No 4 is deleted event marker installed between channels 2 and 3 extra marker cannot be installed with this option Extra monopolar marker installed between channels 2 and 3 this marker cannot be installed with Option 012 Mounted in...

Page 13: ...ucer A calibration factor control allows attenuation and zero suppression to be calibrated in terms of transducer load units 1 19 MODEL 8806B PHASE SENSITIVE DEMODU LATOR The 8806B provides a dc output proportional 1 4 Model 7414A to the rms value of an input signal component that is in phase or 180 0 out of phase with respect to an external ac reference voltage For flexibility the phase reference...

Page 14: ...s anticipated pull the paper table out at the Cart drawer and unlatch it This will prevent a flat spot from developing on the drive roller from the spring loaded pressure rolle r 07414 1 2 12 Recording Systems installed in the Bench Top Enclo sure do not require installation instructions For access to the Recorder loosen knobs at the front of the case and raise the top cover see Figure 2 1 If the ...

Page 15: ...G SCREWS Press front slide locks to slide recorder back into cart or cabinet WARNING DO NOT ACTUATE REAR SLIDE LOCKS UNLESS RECORDER IS SUPPORTED FOR REMOVAL Press rear slide locks to slide recorder completely out of retaining slides I 2 2 Figure 2 1 Recorder Access for Receiving Inspection 07414 1 ...

Page 16: ...8 POWER OUT REMOTE J16 J15 S4 F1 i F2 J5 POWER IN Value and Type F1 F2 F3 F4 F5 F6 not shown AC Power 115V Service AC Power 230V Service Recorder 115V Service Recorder 230V Service 20V dc 20V dc 24V dc 2400 Hz Oscillator Option 004 20V dc supply See Figure 6 7 6A 3AT 2 5AT 1 25AT 3AT 3AT 3AT 100mAT Figure 2 2 Recorder Rear Panel Connections and Fuse Locations 07414 i 2 3 ...

Page 17: ...iption of signal cable preparation for the 8800 Series Preamplifiers 2 20 Tape System Connections 2 21 If an instrumentation tape recorder is to be used with the Recording System the addition ofa 4681A or a 4682A 2 4 Control Section is recommended Connections for the Recorder and the Control Sections are shown in Figure 2 5 2 22 Remote Control and Marker Connections 2 23 A remote control and marke...

Page 18: ...d Cable lq HP 8120 0800 cO i I 3 4 1 1 4 SIG L l SIG SIG PREAMPLIFIER MODEL 8803A 8806B 8807A GUARDED CABLE PREPARATION Single Shield Cable HP 81 20 0718 NOTES I I II 1 Connect Ref voltage to pins A and B on auxiliary connector of the power supply 1 AC output available on pin C of aux iliary connector of the power supply 2 DC input 8807A Opt 02 available on pins A and B of auxiliary connector of t...

Page 19: ...ressed to indicate selected chart speed 5 TIMER BUTTONS The OFF button turns off the interval timing marker The SEC button selects timing marks at 1 second intervals The MIN button selects timing marks at 1 minute intervals The EVENT MARKER button applies a marker pulse when pressed to mark events in the process being recorded 6 STYLUS HEAT CONTROLS Individual controls adjust the heat at each styl...

Page 20: ...paper and pulling top sheet out 6 CLOSE PAPER TABLE pulling down slightly on paper Press table in firmly so it locks in place Note that tab on takeup tray catches in hole on case lip 9 IF RECORDER IS IN A CART OR A CABINET PULL OUT PAPER TAKEUP DRAWER Odd numbered sheet should be first into drawer 8 IF RECORDER IS IN A CASE IN TALL TAKEUP TRAY Note that an odd numb red sheet should b first onto tr...

Page 21: ...U A I AUX POWER OUTLET EXTRA A3R2 MARKER I C 12V _ S1 A powER I 1 115 230V F1 F2 RECTIFIER TO MOTOR 115 230V CIRCUITS A POWER Q 1 I INLET J 3 POWER I I I R R5 INPUT R15 AMPL I L R S I I I A6 V LlMITEAS Al 7 I I COMPENSATION I AND I I DAMPING I GAIN 0 I I I TRIM I I HEAT CONTROL I I I AMPLIFIER I 1 I 7 T I I DRIVERAMPLIFIER J I DE RUN CONTROL PANEL I I A4 AS A6 OR A7 WITCH A2Al I r p O R I OREMOTE ...

Page 22: ...efer to the description of the recorder power supply for a descrip tion of these circuits 4 6 Signals from the individual preamplifiers are routed into the power supply on Transfer Board A3Al and pass through the rear panel a jumper cable and back into the 07754 1 power supply From there they are applied to the inputs of the four driver amplifiers which are discussed next 4 7 RECORDER SIGNAL CIRCU...

Page 23: ...plifier through resistor R36 Part of the position voltage is fed back through C6 as velocity information and C4 and C5 as acceleration information The amount of velocity feedback controls the damping which is varied with R30 4 19 DAMPING Damping is a force that is 1 propor 4 2 Model 7754A 7414A tional to galvanometer velocity and 2 opposite to the direction of pen motor velocity Figure 4 5 shows t...

Page 24: ...754 60090 r y v v V T S I r n _J 440HZ BOARDASSYI I I N t_ J I E I I TO DRIVER J30 P7 J32 _ I IN_PUT_ I AMPLIFIERS L _S_I_G N A_L_ _ I r 1I 4 7 11 F POWER J15 C 7 04 0 5 GROUND J16 C 8 I i I J18 C 9 _ _ C I J19 C 10 t t 5 S R21 V t i _ ___ _ r A l __ Wl I 12V OSC L SJ R20 W 4 I t 07754 I 26v c 4 t I I f I J 60450 3 In I 0 m i I L it_ J I J 1 4 _ 1 2V _ t_ I it_ I rp v F6 Rl0 15 I L T S J I C if li...

Page 25: ...IL 19 t r41 I I r 7 A 6 21 I 2 I I 2 I4 7 41 I I I POWER I IDEMODULATOR 1 I GND 1 I I I I POSITION l L 2 _6 __ I _J R36 20V R29 L t FEEDBACK L a C T5 C6 _ 6 i PING L rAe 6oHz OR j O JA ll VELOCITY I I A9 50Hz I OSC _ R33 FEEDBACK OSCillATOR REGULATOR 7 LI I I I ASSEMBLY IKI OSC GND I Q4 Q7 AND ASSOCIATEP L N T NOT J L J L 1 4 20V 5 12V 61 12V 31 20V 21 24V B I SIGNAL GND I I I RUNO C GAINfJ 12V 12...

Page 26: ...R2 TORSION RETURN SPRING r I I I I I r I I I L J SIGNAL TO 100 HZ Figure 4 4 Galvanometer Position Feedback Circuit OVERDAMPED UNDERDAMPED 4 OVERSHOOT 1 _ i T Q UNDERDAMPED NATURAL CI RCUIT FRE QUENCY DETERMINED BY POSITION FEEDBACK Sine Wave Input FREQUENCY Step Function Input TIME Figure 4 5 Galvanometer Damping 07754 1 4 5 ...

Page 27: ... I IMOTOR I XKI C4 F2 RECORDER 2 5AT 1I5V 1 25 AT C230V FI RECORDER 6A I15V i 2 3ATC230V r3G t1 J cr t SI POWER S4 LINE VOLTAGE SELECTOR J5 POWER INPUT I I I I I I I I I I l1r 11tJ it llt llt 1it j1t I I I L I I I I I I r I r 1t 11 l _ ll lt I J251 r r 4 1 1 r ilt E r Rl R3 l R2 RI ISTi8YI 1 L4 Ilt I L3 A L 5 LI IREMjTE I I RjNI 3 R9 RIO R7 R8 II C4fCyCTCr rl K l 24V r j R3 R4 R5 R6 HEAT SUPPLY F ...

Page 28: ...n gears through a spring clutch that links gears A and D on the primary shaft Gear D is machined together with Gear A of the next set so power is directly transmitted to the next set of gears 4 32 When direct drive is desired the associated solenoid is energized withdrawing the plunger from the clutch pawls The clutch then engages coupling gears A and D The spring clutch between gears Band C autom...

Page 29: ...S ON THE INPUT SPROCKET SPROCKET GEAR OUTPUT SHAFT ARE FREE WHEELING INSULATED 25 mm sec E ENERGIZEO so PAWL IS WITHDRAWN AND CLUTCH IS ENGAGED FOR STRAIGHT THRU DRIVE 0 5 mm sec OUTPUT OUTPUT GEAR SPROCKET 1mm sec 10mm sec 25 mm sec 50mm sec ...

Page 30: ... 25 0 5 2 5 5 10 25 50 100 Ll X X X X L2 X X X Y X L3 X X X X X X L4 X X X Note When solenoids are deenergized clutches are disen gaged permitting pairs of primary gears to transmit power When solenoids are energized power on clutches are engaged causing straight through drive Figure 4 8 Gearbox Power Flow 07754 1 ...

Page 31: ...nto a takeup tray provided with the system cabinet or portable cart The consecutively numbered chart pages indicate the amount of paper remaining and can be used as an index for instant access to any part of the recording 4 37 RECORDER POWER SUPPLY AND REGULATOR CIRCUITS 4 38 The power supply contains rectifier and regulator cir cuits a 200 kHz oscillator for the galvanometer position feedback cir...

Page 32: ...12V MARKER HEAT 10 ELEMENT CONNECT TO REAR PANEL JACK J17 5 12V 2 24V OSCILLATOR L OUTPUT MARKER 9 COIL 7 5V GROUND FOR MIN F GROUND FOR SEC t I I I I I I I 200 KHZ I OSCILLATOR I I I 12V L II t L _ 12 VOLT REGULATOR R12 R13 R3 R25 R27 I 20V I R28 I I L_____ I L N 20V 4 20V f JlJ Il R5 24VAC TIMING I INPUT REF GROUND B f 4 W i HEAT CONTRO L H f JI 1I 1r 4 t IN Figure 4 10 Recorder Power Supply and...

Page 33: ...e Ll with C14 not shown decQuples the oscillator and its harmonics from the 12 07754 1 Section IV Principles of Operation volt supply A step up winding connected to CI8 increases the oscillator output voltage by about 7 to 1 4 47 OSCILLATOR REGULATION CIRCUIT Since the position transducers are an important factor in recorder accuracy the 200 kHz oscillator must remain extremely stable in operation...

Page 34: ... and CR22 at a level determined by breakdown diode CR23 Each side of the T4 secondary is connected to half of push pull power amplifier Q4 Q5 to drive output transformer TI The output of T1 is distributed to the preamplifier connectors and the auxiliary power output connector as shown in Figure 4 2 57 2400 Hz Oscillator 4 58 The 2400 Hz oscillator furnishes a transducer excita tion signal to press...

Page 35: ... specifications and cir cuit operation and can be used under the following circum stances I I I Instrument Type Variable Autotransformer OCVTVM Digital Voltmeter DVM Function Generator Oscilloscope Stylus Pressure Tester Test Boards Test Cable Oscillator Load Plug 07754 1 Table 5 1 Recommended Test Equipment Required Characteristics 115 or 230 Vac 0 130 Vac 5 amperes 0 260 Vac 2 5 amperes 1 mV to ...

Page 36: ... Vac CAUTION TO AVOID DAMAGE REMOVE POWER FROM THE RECORDER BEFORE DISCONNECTING ASSEMBLIES OR COMPONENTS 5 10 PREVENTIVE MAINTENANCE 5 11 Preventive maintenance is recommended every six months or 1000 hours of operation and as an aid for minor repairs adjustments and troubleshooting 5 2 5 15 The following steps check operation of the Recorder a Recorder slides Check that the slides roll in and ou...

Page 37: ...NT CH 3 CH 4 y STYLUS POSITION TEST POINTS F6 2400 HZ OSCILLATOR 20V POWER MARKER HEAT LEAD PLUG 12V 12V R13 RIGHT DOWNSCALE OR LOW LIMIT R3Q DAMPI NG 2QV 2QV R9 LEFT UPSCALE OR HIGH LIMIT STYLUS AND GALVANOMETER MECHANICAL ADJUSTMENTS REFER TO FIGURES 5 7 AND 5 8 PAPER BRAKE ADJUSTMENTS Figure 5 1 Test and Adjustment Points 07754 1 5 3 ...

Page 38: ...TED POWER SUPPLY CHECK a Push recorder POWER ON OFF switch so it pops out OFF b Remove protective cover from 18 REMOTE to gain access to PC board connections c Insert connector body 1251 1190 into 18 to provide test points d Remove jumper cable 07754 60450 from 131 132 e Connect function generator Table 5 1 to RECORDER INPUT connector 132 through signal test cable f Connect system to variable auto...

Page 39: ...ifier i Set MODE switch to STDBY j Check DVM for reading of 12 0 volts dc 30 mV If reading is beyond tolerance adjust potentiometer R2 Figure 5 4 for 12 0 volts dc 30 mY k Change input voltage with Variac Table 5 1 to 103 Vac and 127 Vac DVM reading must not vary more than 30 mY 1 Return Variac to 115 Vac setting m Disconnect test cable at DVM and connect it to scope n Set scope I PUT to AC SWEEP ...

Page 40: ...r input b Set Recorder SPEED switch to 2 5 MM SEC c Set MODE switch to RUN d Adjust Channell position CHAN POS 1 control on preamplifier power supply board to its complete range Stylus 1 should be able to be positioned over 10 divisions each side of center e Position stylus 1 to center of chart Channell f Repeat steps d and e for Channels 2 3 and 4 g Set MODE switch to STDBY position 2 Gain Contro...

Page 41: ... to 1 5 divi sions beyond bottom line of chart turn ccw c Repeat Steps a and b for Channels 2 3 and 4 d Turn amplitude control of Function Generator ccw so stylus travel stops at last grid line of chart top and bottom Triangular waveform must not limit at either top or bottom of chart e Set MODE switch to STDBY 07754 1 2 Damping Adjustments a Push Recorder SPEED button for 10 MM SEC speed b Adjust...

Page 42: ...rder SPEED button for 2 5 MM SEC j Set MODE switch to RUN k Adjust Function Generator amplitude for full scale stylus deflection 1 Scope must show a pattern as in the following photograph q Turn Function Generator amplitude control to produce full scale deflection on chart with out limiting r Set Recorder MODE switch to STDBY s Connect scope between TP3 of Driver Ampli fier and signal ground and s...

Page 43: ...ARKED FOR INSTANCE WITH CHANNEL IDEN TITY USE ONLY CHINA MARKING WAX CRAYON OR COLOR CODED EMBOSSING TAPE DO NOT USE 07754 1 and set MODE switch to RUN d Push Recorder SPEED buttons in sequence and observe following readings on DVM return MODE switch to STDBY for last reading SPEED SPEED MM SEC DVM MM SEC DVM 25 6 4 Vdc 10 8 4 Vdc 5 6 4 Vdc 25 9 8 Vdc 1 6 4 Vdc 50 I1 0Vdc 2 5 6 4 Vdc 100 11 9 Vdc ...

Page 44: ... wrinkles against right edge loosen left adjustment screw by turning it clockwise Figure 5 1 b If paper climbs against left edge loosen right screw by turning clockwise 5 10 Model 7754A 7414A c If paper weaves or alternately moves from side to side tighten left screw slightly by turning it counterclock wise Allow paper travel so paper feed and possible paper weave can be observed Make further corr...

Page 45: ...Catch 1251 1694 Soc Guide 1251 1005 Pin Guide 1251 1006 Contacts 5080 3772 6 required 2 pin Plug 1251 1818 Clamp 1251 1697 Nut 0590 0494 2 req d Note If HP 3300A Function Generator is used use HP dual banana to BNC adapter Part No 1 011 OA Dual Banana Plug HP 1251 1818 General Radio 274 MB Superior IPG 2 National Type FWA Johnson 108 202 3 16 In Dia 47 em Dia l 07754 1 5 in 12 7 em 1 in 2 54 em 1 ...

Page 46: ...stylus pressure mechanical centering and parallax may be adjusted Mechanical stops are adjusted as part of the electrical maintenance procedures as is galva nometer sensitivity but the galvanometer itself has no adjustments 5 12 5 31 STYLUS PRESSURE ADJUSTMENT Stylus pres sure must be checked at the tip of the stylus only for accurate readings For access to the stylus tips four holes are provided ...

Page 47: ... V Maintenance TP3 200KHZ R2 12V ADJ __ L 10 J K 9 J8 1 s la H 7 F 6 E 5 D 4 C 3 r S 2 A 1 DER COMPONENT SIDE TP8 200 KHZ REF TO OSC TP1 12V TP2 12V GROUND PIN K 1 Figure 5 4 Regulator Oscillator Board Test Points 07754 1 5 13 ...

Page 48: ...Section V Maintenance 5 14 TP5 Figure 5 5 Driver Amplifier Board Test Points Model 7754A 7414A R30 DAMPING 9 8 7 6 5 4 3 2 1 SOLDER SIDE COMPONENT SIDE 07754 1 ...

Page 49: ...fective drive motor Galvanometer circuit problem CAUTIO GALVANOMETER IS NOT FIELD REPAIRABLE REPLACE ONLY PARTS SHOWN IN FIGURE 6 18 Solution and Paragraph Replace worn part 5 27 Establish even paper tension slightly more on left side Paragraph 5 24 Adjust both brake adjustment screws clockwise 5 24 Replace both springs Establish slightly more pressure on left 5 24 Clean or replace 5 28 Clean or r...

Page 50: ...n V Maintenance Model 7754A 7414A REMOVING FELT STEP 1 REPLACING FELT I I REMOVING FELT STEP 2 GALVANOMETER MOUNTING SCREW ACCESS HOLES 4 Figure 5 7 Paper Brake Felt Cover Removal and Replacement 5 16 07754 1 ...

Page 51: ...per position Tighten both screws snug but not tight b Test for parallax by moving stylus gently with finger 07754 1 Section V Maintenance pressure upscale and downscale and observing whether stylus markings are parallel to time lines 0 1 mm across width of each channel c When adjustment is complete tighten tail pivot screws 5 34 CHANNEL TIME SYNCHRONIZATION When all channels are synchronized with ...

Page 52: ... otherwise adjust channel time synchronization Paragraph 5 34 c Run recorder at 25 mm sec slowly moving paper under the stylus tip Lapping time should be about 15 seconds Turn off recorder and remove lapping paper 5 37 STYLUS LAPPING A new or replacement stylus must be lapped so it will have a uniform trace width as it moves across the paper a Connect 30 Hz sine wave signal to input of channel Run...

Page 53: ...owing procedure a Remove any marker assemblies attached to Galva nometer following procedures in Paragraph 5 57 b Remove galvanometer cable WI from PC edge con 07754 1 nector on Transfer Board Assembly c Pull out paper table at bottom open fully d Remove pack of paper from feed tray e Remove stylus from Galvanometer Paragraph 5 35 f Pass a screwdriver up through galvanometer mounting screw access ...

Page 54: ...OSE PLIERS 2 PUSH RETAINING CLIP FORWARD SETSCREW STYLUS GALVANOMETER PIVOT ARM 3 GRIP STYLUS BETWEEN PIVOT PIN AND TAIL PIVOT AND WHILE ROCKING STYLUS FROM SIDE TO SIDE LIFT GENTLY STRAIGHT UP 4 CAREFULLY LI FT STYLUS FREE OF TAl L PIVOT Figure 5 10 Stylus Removal and Replacement 5 20 07754 1 ...

Page 55: ...e Case unfasten the screws shown and lift out the Recorder The Recorder need not be removed from the Cabinet or the Cart but a table should be placed under the drive unit before the drive unit is re moved CAUTION TO PREVENT ACCIDENTALLY UNBALANCING THE RECORDER ALWAYS TIP IT ONTO THE HEAVY SIDE THAT CONTAINS THE DRIVE UNIT 07754 1 a Tip the Recorder onto its left side facing the front panel b Refe...

Page 56: ... DRIVE MOTOR PLUG TRANSFER BOARD ASSEMBLY A3A1 GALVANOMETER FRONT BOTTOM DRIVE UNIT MOUNTING SCREW CROSS BAR HAS 2 OF RETAINING ACCESS HOLES 4 RETAINING SCREWS SCREWS 2 OF 4 NOT SHOWN GALVANOMETER MOUNTING SCREW ACCESS HO LES LOCATION OF DRIVE UNIT REAR TOP CROSS BAR SCREW Figure 5 12 Drive Unit Removal 5 22 07754 1 ...

Page 57: ...order chassis unit housing assembly To remove tre gearbox perform the following steps a Remove all preamplifiers from preamplifier rack b Remove speed control wires and motor cable from transfer board assembly Figure 5 18 inset c Remove four screws shown in Figure 5 16 as follows 1 Remove Screw A located on the Drive Unit in side the preamplifier rack 2 Tip the Recorder up at the preamplifier side...

Page 58: ... V Maintenance DRIVE UNIT SIDE PLATE PIVOT ROD SEPARATE PAPER TABLE FROM TABLE LINK BY PRYING HERE Model 7754A 7414A PRESSURE ROLLER PAPER GUIDE 5 24 e 1 5 _ STRI P NUT Figure 5 13 Paper Table Removal 07754 1 ...

Page 59: ...K PAPER INTERLOCK PAPER PAPER ROLLER WI RE SWITCH TABLE BRAKE ARM Figure 5 14 Drive Roller and Table Link Removal Part 1 5 25 KEY 07754 20590 LINK PIVOT DRIVE SNAP ROLLER SHAFT RING TABLE LINK SMALL SCREWDRIVER SNAP RING 07754 1 I I I I I I I I I I I I I I ...

Page 60: ...HERE Model 7754A 7414A SIDE PLATE 2 PULL TABLE LINK OUT 5 PULL DRIVE ROLLER UP AND OUT BEARING REMOVE SCREW FROM END OF BEARING 4 SPRING TABLE LINK 3 REMOVE BOTH OUTWARD AT THIS POINT BEARINGS Figure 5 15 Drive Roller and Table Link Removal Part 2 5 26 07754 1 ...

Page 61: ...I Model7754A 7414A Section V Maintenance SCREW A SCREW B REAR 07754 1 SCREW C SPROCKET HEX NUT Figure 5 16 Gearbox Removal SCREW 0 5 27 ...

Page 62: ...JUMPERS MOTOR EXTENDER CABLE CABLING 8120 0962 CONNECTOR 8120 0971 CONNEC OR 8120 0961 SAME AS A3J9 GEARBOX R CHASSIS I CREW TYPI L OF 4 1 BROWN 2 RED 3 ORANGE 4 YELLOW 5 BLACK LEFT SIDE PLATE TRANSFER BOARD MEASURE SHAFT END PLAY WITH FEELER GAUGE AT SIDE PLATE 0 001 INCH ACTUAL LOCATION IS HIDDEN OIL BETWEEN ALL GEARS AFTER BENCH RUN IN TYPICAL LOCATION Figure 5 18 Gearbox Inspection and Solenoi...

Page 63: ...ews holding the bottom cover and solenoids d Remove the bottom cover by lifting it upward Figure 5 19 5 28 OTE If gears are to be replaced or components lubri cated remove only one shaft at a time to preserve the order of the gears on the shaft for best wear characteristics e Remove one screw holding the primary shaft to the end plate and pull out the shaft by the large output gear Figure 5 20 Lif...

Page 64: ...1 CHASSIS REMOVING MOTOR CHASSIS 2 REMOVING GEARBOX COVER Figure 5 19 Gearbox Cover Removal ...

Page 65: ...Mode17754A 7414A 1 Section V Maintenance 2 3 07754 1 Figure 5 20 Gearbox Shaft Removal 5 29 ...

Page 66: ...ch clutch spring 2 Grease each clutch hub 3 Twist spring and hub together Remove excess grease Test clutch hub by twisting in both directions Hub should grab spring when twisted one way and slip when twisted other way 5 30 Model 7754A 7414A When all gears are reassembled onto shaft slip shaft out leaving gear train as one unit Figure 5 20 Oil shaft lightly do not use grease g Reassemble shaft betw...

Page 67: ...PECT FOR WEAR AT THESE POINTS TYPICAL OF 8 PLACES Section V Maintenance 01 L SHAFT BEARINGS WITH MYSTERY OIL TYPICAL LOCATION FOR RUN IN INSPECT FOR DAMAGED SLEEVES AND SPRINGS 1 2 3 07754 1 Figure 5 21 Spring Clutch Lubrication Primary Shaft 5 31 ...

Page 68: ...ce SECONDARY SHAFT COMPONENTS o Model 7754A 7414A OIL SINTERED BEAR INGS WITH MYSTERY OIL INSPECT FOR WEAR AT THESE POINTS TYPICAL OF 8 PLACES 5 32 Figure 5 22 Overriding Clutch Lubrication Secondary Shaft 07754 1 I I I I ...

Page 69: ...TOL SPLINE WRENCH HEX NUT HOLD HEX NUT STEADY WITH WRENCH WHILE TIGHTENING SETSCREW Figure 5 23 Gearbox Shaft End Play Adjustment CHART DRIVE MOTOR GEARBOX LUBRICATE INPUTCHAIN BEFORE INSTALLING TOP COVER 07754 1 Figure 5 24 Gearbox Input Chain Tension Adjustment 5 33 ...

Page 70: ...tracting the actuators fully and not hanging up on the clutch sleeves HEAT LEAD ATTACHMENT SCREW Model 7754A 7414A 5 58 Marker Assembly Maintenance 5 59 The marker assemblies are attached to adjacent gal vanometers To adjust the stylus position first set the writing stylus bumpers Table 5 3 and then loosen the at tachment screw Figure 5 25 Position the marker stylus so that it does not hit either ...

Page 71: ...semblies and subassemblies that can be purchased have part numbers in the part number column of Table 6 1 those that cannot be purchased have the word Reference in the column c Components within the assembly and subassembly circuits are assigned circuit reference designators C 1 capacitor Rl resistor etc These parts are prefaced by the assembly number AICI A2C2 AIRl A2R2 etc to indicate the assemb...

Page 72: ...val head spl special ccw count rclockwise hex hexagonal ox oxide SPST single pole single cd pi cadmium plate Hg mercury throw cer ceramic Hz cycle per second pc printed circuit board sst stainless steel ch channel PEMS circular press fitted nut SWTCH switch cmo cabinet mount only impg impregnated pF picofarad 10 12 farads coef coefficient incd incandescent PH phone Ta tantalum com common ins insul...

Page 73: ... FIG 6 15 281t80 07751t 60180 A9 07754 60181 1 REGULATOR OSCILLATOR BOARD 50 HZ OPT 008 28480 07754 60181 Al 07754 60250 1 DRIVE UNITIFIG 6 161 281t80 07754 60250 AI0Ai 077 54 60040 1 GEARBOXCFIG 6 171 28480 07754 60040 All 07754 60070 4 GALVANOMETERCFIG 6 181 28480 07754 60070 AlUI 07754 60340 1 STYLUS FIG 6 18 28480 07751t 60340 A12 07754 60070 GALVANOMETER FIG 6 18 28480 07754 60070 An 07754 60...

Page 74: ...RAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOBIPUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOBIPUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY KNOB PUSHBUTTON JADE GRAY CONTROL SWITCH BOAROIFIG 6 51 SC...

Page 75: ...50K OH14 10 LIN 1 2W R VAR 50K OHM 10Z LIN 1 2W R VAR 50K OHM 10 LIN 1 2W R VAR 50K OHM 10Z LIN 1 2W R VAR 50K OHM 10Z LIN 1 2W R VAR 50K OHM 10l LIN 1 2W R FXo COMP 680 OHM 5 1 4W R VAR WW 500 OH14 5 TYPE H lW R FXD MET OX 270 OHM 5Z lW R FXo C014P 150 OHM 5l 1 2W R FXo COMP 120 OH14 5 1 4W R FXo WW 1 OHM 5 3W R FXo COMP 3300 OH14 5Z 1 2W R FXo C014P 220 OH14 5 1 2W R FXo 14ET OX 270 OHM 5 lW R F...

Page 76: ...ITUBULAR OVAL HEAD BOOY R P CONNECTOR 14 POSITION CABLE CONNECTOR 2 FEMALE PIN NUT EXT LOCK 4 40 SCREW POZI OR 4 40 X 3 8 W LOCK CONNECTOR 5 MALE CONTACT SCREW SST FLAT Ho POZI DR 4 40 X 0 312 NUT EXT LOCK 4 40 EXTENSION GUARo GUARD FOR SPECIAL PURPOSE CONNECTOR CONNECTOR 5 MALE CONTACT SCREW SST FLAT HO POZI OR 4 40 X 0 312 NUT EXT LOCK 4 40 EXTENSION GUARo GUARD FOR SPECIAL PURPOSE CONNECTOR CON...

Page 77: ...400 0085 FUSEHOLOER 15915 342004 A3XF4 I1t00 0085 FUSEHOLOER 75915 342004 A3XF5 1400 0085 FUSEHOLOER 75915 342004 A3XKl 1200 0127 1 SOCKET TUBE OCTAL 71185 101 12 10 044 0361 0346 RIVET SEMITUBULAR OVAL HEAD 00000 OBO A3Wl 07154 60450 1 CABLE SIGNAL JUMPER 281t80 07154 60450 A3Al 01154 60150 1 TRANSFER BOAROIFIG 6 11 28480 07154 60150 1251 1249 1 KEY POLARIZING 02660 143 953 2360 0117 9 SCREWzPAN ...

Page 78: ... 43 03 1 2190 0007 18 WASHER INT LOCK 6 28480 2190 0001 2360 0201 28 SCREW SST PHIL POll DR 6 32 X 0 500 00000 080 2500 0001 NUT HEX 6 32 THREAD 00000 080 A401 1853 0045 TSTR SI PNP 80131 2N4036 1200 0181 MOUNTING TRANSISToR PAD 13103 1111 5 N A408 1854 0011 TSTR SI NPNISELECTEo FROM 2N31041 28480 1854 0011 A409 1854 0063 TSTR SI NPN 80131 2N3055 0340 0464 INSULATOR FOR T0 3 TRANSISTOR 13103 43 03...

Page 79: ... 5 300VDCW C FXD CER 0 47 UF 80 20 25VDCW C FXD ELECT 5 b UF 10 35VDCW C FXD ELECT 1 0 UF 10 35VDCW C FXD CER 0 05 UF 20 400VDCW C FXD ELECT 1 0 UF 10 3SVDCW C FXD CER 0 05 UF 20 400VDCW C FXD MICA 33 PF 2 500VDCW C FXD CER 0 05 UF 20 400VDCW C FXD CER 0 47 UF 80 20 25VDCW C FXD MY 0 01 UF 10 200VDCW C FXD CER 0 47 UF 80 20 2SVDCW C FXD MICA 390 PF 5 C FXD MICA 1500 PF S 300VOCW C FXD CER 0 47 UF ...

Page 80: ... 4W R FXD FLM 1500 OHM O ll 1 8W R FXD FLM 2 182K OHM 0 25 1 8W R FXD FLM 4K OHM 0 5t 1 8W R FXO COMP 4700 OHM 5l 1 4W R FXD CaMP 120K OHM 5 1 4W R FXD CaMP 5600 OHM 5l 1 4W R FXD CaMP 10 OHM 5 1 4W R FXD CaMP 10 OHM 5f 1 4W R FXD CaMP 680 OHM 5l 1 2W R FXO WW 0 5 OHM lot 3W R FXD CaMP 27K OHM 5t 1 4W R FXD CaMP 18K OHM 5t 1 4W R FXD COMP 1800 OHM 5t 1 4W R FXO WW 50 OHM 5t 3W R FXD CaMP 33K OHM 5...

Page 81: ...PNP TSTR SI PNP TSTR SI NPNISELECTED FROM 2N3104 TSTR SI NPNISELECTED FROM 2N31041 TSTR SI NPN INSULATOR FOR T0 3 TRANSISTOR SCREW SST PHIL POll DR 6 32 X 0 500 WASHER LOCK NO 6 NUT HEX 6 32 THREAD TSTRISI NPN INSULATOR FOR T0 3 TRANSISTOR SCREW SST PHIL POll DR 6 32 X 0 500 WASHER SPLIT LOCK 6 NUT HEX 6 32 THREAD TSTR SI NPNISELECTED FROM 2N3104 TSTR SI PNP TSTR SI NPN MOUNTING TRANSISTOR PAD TST...

Page 82: ...OMP 1800 OHM 5 1 4W TRANSFORMER OSCILLATOR IC LINEAR VOLTAGE REGULATOR IC LINEAR VOLTAGE REGULATORIINPUT IC TTL DECADE COUNTER 10 MHZ MIN IC TTL DECADE COUNTER 10 MHZ MIN IC TTL DIVIDE BY 12 10 MHZ MIN IC TTL DECADE COUNTER 10 MHZ MIN IC LINEAR VOLTAGE REGULATOR 5V INSULATOR FOR TG 3 TRANSISTOR SCREW PAN HD POZI OR 6 32 X 0 312 LG WASHER SPLIT LOCK 6 NUT HEX 6 32 THREAD BOARD BLANK PC DRIVE UNITIF...

Page 83: ...PAN HO pall 6 32 x 3 8 W LK BLOCK GUARO SCREW POlI OR 4 40 X 3 8 W LOCK BAR BRAKE SCREW SST FLAT HO pallOR 4 40 X 0 312 SPRING TABLE SCREW PAN HO pallOR 2 56 X 0 250 LG PAO MOTOR ROLLER PRESSURE PANElILEFT COVER SCREW SST PHH pallOR 4 40 X 1 4 W LK PLATEN ROLLER DRIVE WASHER fLAT FOR 3 8 HOW WASHER FLAT FOR 3 8 HOW PLUG 2 CONTACT 14 HOTOR CA8LE INTERLOCK CLAMP CABLE 3 8 WIDE SCREW PAN HO pall 6 32...

Page 84: ...SSURE ADJUSTING SCREW PAN HO PHIL DR 6 32 X 1 B15 LG SCREW PAN HO pallOR 6 32 X 0 lB8 LG PL ITC SPllr r r CABLE GALVANOMETER BRACKET CONNECTOR LUG SOLOER FOR 4 SCREW CLAMP CABLE NYLON 5 16 SCREW PAN HO pallOR 4 40 X 0 438 LG NUT HEX 4 40 X 0 250 ACROSS FLAT SCREW PAN HO POll 6 32 X 5 16 W LK NUT HEX 6 32 THREAD CONNECTOR PC EDGE 12 X 6 12 CONTACT SAME AS All USE PREFIX A12 SAME AS All USE PREFIX A...

Page 85: ... 1 2W R FXD COMP 180 OHM 5 1 2W R FXD COMP 1800 OHM 5 1 2W R FXD COMP 1000 OHM 5 1 2W TRANSFORMER TOROIOAL OSC INSULATOR WAFER FOR 8 HOW MTG INSULATOR TRANSISTOR MTG BOARO BLANK PC ACCESSORIES FIG 6 22 FUSE 1 25 AMP SLOW BLOW FOR 230V SERVICE FUSE 2 5 AMP AT 250 V SLOW BLOW FUSE 3 0 AMP AT 250V SLOW BLOW FUSE 6 AMP AT 250V KIT MONITOR CONNECTOR KIT PWR REMOTE CONNECTOR OIL TURBINE 3 4 OZ LUBRICANT...

Page 86: ...0 1500 0289 1 SPROCKET 24 TOOTH 28480 1500 0289 3140 0398 1 MOTDR SYNCHRONOUS 375 RPM 115V 50HZ 28480 3140 0398 07754 60181 1 REGULATOR OSCILLATOR BOARO 50 HZ 28480 07154 60181 DELETE FOLLOWING FOR OPTION 008 REF 07754 60250 1430 0451 SPROCKET 2510 0121 SCREW j 3140 0337 MOTOR 07754 60180 OSC REG MOUNTED IN 1064B MOBILE CART OPTION 054 Ilt90 0819 1 SLIDE 28480 1490 0879 0590 0199 It NUT EXT LOCK 4...

Page 87: ...l DR 10 32 X 0 750 LG 00000 aBO 5060 0161 4 FOOT ASSY FM 28480 5060 0761 1124 2010 2 INSERT NAME PLATE 28480 1124 2010 01154 00242 1 SHIPPING BRACKET RIGHT 28480 01154 0024 07154 00241 1 SHIPPING BRACKET LEFT 28480 01154 00241 2680 0051 SCREW PAN HO POll DR 10 32 X 0 375 LG 00000 OBO 01154 00511 1 BRAC E FRONT 28480 01154 00511 07154 00491 1 COVER UPPER 28480 01154 00491 2680 0118 SCREW FLAT HD pa...

Page 88: ...LASTICS co CINCH MFG co DIV TRw INC HECTRO MOTIVE MFG CO INC FE ERAL SCREW PROD INC L ITTELFlJSE INC CINCH MnNADN CK MILLS DIV TRW INC DA FG co DIV OAK ELECTRo NETICS CoQP AMERICAN MACHINE FOUNDRY co POTTER r BRUMFIELD DIV SHAKEPROOF DIV ILLINOIS TOOL WORKS SIGMA INSTRIIMENT INC TINNER 1AN PROD INC WALDES KoHINO R INC ELECTRONIC INDUSTPIES ASSOCIATION AIRCO SPEER ELECT COMPo SWITCHCQAFT INC VICTOR...

Page 89: ...A2A2 A2MP1 MP4 Figure 6 3 Control Panel A2 07754 60240 Subassemblies Parts Location Diagram ...

Page 90: ...IModel 7414A MP10 Section VI Replaceable Parts Figure 6 3 07414 1 Figure 6 2 Unit Housing A 1 07754 60270 Parts Location Diagram 6 19 ...

Page 91: ...I I I I 1 47 I 10 1t I 1r lr jlr 1r jlr j1t 1 11 11 1 __ 11 I 1 1 r r r I I 1 I IJ2 11 11 11 11 r C I B I Jll CR4 CR3 CR2 CRI E 1 r L IO L4 I L3 A L2 5 LI 3 R9 RIO R7 RS 27 27 27 27 I K _ C4 C5 _ C2 C3 R3 R4 R5 R6 T 05 T 0 5 T 05 T 0 5 470 270 100 27 CI 1 05 I 4 F RI 150 5 1 2W rte i I 2 7 6 S L I MODE CHART SP D MM SEC MARKERS I r I I I IST BYI IREMrEI IRjNI G J qJ qJ CP C J 10iFI IEV NTI I I I I...

Page 92: ... ADJ I 270 J 47 CW R9 5 IW 3 t J 6 RIO 500 680 7 IW TI TP4 7 7 RI8 1500 t RI6 5 220 112W CR2 5 1 2W RI9 RI5 RI7 330 33K 270 5 1 2W 5 1 2w I RI I R2 I R3 I R4 I R7 I R5 I R6 I R8 50K 50K 50K 50K 50K 50K 50K 50K M CW CW cw CW tl2W 1 2W 112W 1 2W II2W CW II2W CW tl2W 112W CW r 1 1 I I 1 1 1 1 1 I 1 I I I I 1 I 1 1 I 1 1 I 1 I 1 1 I I I I I I A2A3 07754 60140 PREAMPLIFIER CIRCUIT L J25 I 6 7 4 10 2 8 ...

Page 93: ...on VI Replaceable Parts Figure 6 5 Control Switch Board A2A 1 07754 60120 Component Location Diagram POTENTIOMETERS OTHER SIDE Figure 6 6 Heat Potentiometer Board A2A2 07754 60130 Component Location Diagram 07414 1 6 21 ...

Page 94: ...Section VI Replaceable Parts N mUOW I Z X N Figure 6 7 Preamplifier Power Supply Board A2A3 07754 60140 Component Location Diagram 6 22 Model 7414A 07414 1 ...

Page 95: ...Model 7414A A17 2400 HZ OSCILLATO REF R U1 A18 440 HZ OSCILLATOR REF MP7 MP9 Section VI Replaceable Parts MP2 07414 1 Figure 6 8 Power Supply A 3 Exploded V lew 6 23 ...

Page 96: ...Section VI Replaceable Parts 6 24 Figure 6 9 Power Supply A3 Electrical Parts J17 Model 7414A 07414 1 j ...

Page 97: ... TYPICAL PREAMP INPUT J II JI 14 J4 e A 71 r 9 r A I I I I 0 B J t B 0 r 9 2 I I E I I 0 1 5 C 9 I P6 I 440HZ II II II 51 I 4 OSC 4 4 4 4 I 2 0 OSC B I I I I 2 I 3 0 12V 12 12 12 12 6 4 C t T 12V 4 14 14 14 7 5 0 I I k 6 6 3 6 LJ 20V 6 6 J 20V k8 8 8 8 4 I 7 A 9 r 3 J r 9 5 1 II C I I I B I I 0 9 4 10 I I 10 C LJ F 9 0 9 C E 7 E 7 E 7 E 7 8 C I 1 I L 0 3 I 12_ H rJ7 i G J22 J23 24 K 0 J21 i E_A T ...

Page 98: ...Section VI Replaceable Part Model 7414A Figure 6 11 Transfer Board A3A 1 07754 60150 Component Location Diagram 6 26 07414 1 ...

Page 99: ..._ __ f OSCILLATOR B I OUTPUT I L _ J 9 I I I I E N D t t t HH t H rQ A S IG N A l L G RO U N D HH t i I f H_ Hr__ t H_ t I I SIGNAL INPUT K A _ I J D G AI N k 5 I POSITION CONTROL I U 2 t JHr YI Ir __ r E t e I F S IG N A L I N TE Rc R U P T i t t_ _t_t_t t i t _ _ i K 4 H t V J HEAT CONTROL KI M i i t t W l _ 71 POSITION FEEDBACK H ___ r_ _ X _t_ iH t t l B L I K C I D I L HH 1E 7 SIGNAL INTERRUP...

Page 100: ...Section VI Replaceable Parts E E en _ C I 0 I E c co o a I Component Side Solder Side Model 7414A Figure 6 13 Driver Amplifier A4 A5 A6 A7 07754 60170 Component Location Diagram 6 28 07414 1 ...

Page 101: ...P SIGNAL POSITION R32 27K R24 1 8K 1 2W 12V C8 01 I C6 056 R37 10M R39 22K R38 681K 1 2W R36 45 3K I IW 0 25 R34 IK CR5 SI RII 10K R43 100 R42 390 1 2 5 R4 68K all R40 100 6 3 B 12V 1 w IrRAN lr 1 1 SUPPLY A3 I BOARD CI I REF I ASSY A3Al 12V 60 RI9 SIGNAL FROM 100 PREAMPLIFIER I P6 I JJ29 N H I J7 I R9 SEE FIG 6 12 I J31 P7 I J30 20K JUMPER CABLE I J32 d J30 07754 I RIO 60450 L JI 17 8K r REAMPL E...

Page 102: ...1 r 2 SOI L E N 0 ID 12 24V 1 8K 1 8K TRANSIENT I PROTECTION I J Ryl 5 R4 3 1 5 12V Sl 61 9K 1 1 r _ _ _ 4110 MARKER HEAT RO 1 VOLTAGE s 1 I 1 1 I 1 R14 4 7K C3 1500pF STABILIZ ING NETWORK R6 150 TIME GENERATOR 12V SERIES REGULATOR C5 6 6 R34 10K R29 1 8K R7 2 7K R35 3 3K 2 5V R31 33K Cn 05 R30 50 S r I I I I I I I I I L r I I I LI I I IL 100 li L _ 7 J I R8 12V SERIES SUPPLY REGULATOR 6 L 1 3 JoN...

Page 103: ...Replaceable Parts 19 76543 1 LKJH FEDCBA Component Side Solder Side Model 7414A Figure 6 15 Regulator Oscillator A8 60 Hz 07754 60180 or A9 50 Hz 07754 60181 Component Location and Schematic Diagrams 6 30 07414 1 ...

Page 104: ...ction VI Replaceable Parts MP8 MP6 MP42 MP14 REF A1MP5 UNIT HOUSING FRONT CROSS BAR REF MP10 MP30 2 MP20 MP32 2 I MP2 2 I MP9 07414 1 Figure 6 16 Drive Unit A 10 07754 60250 Subassemblies Parts Location Diagram 6 31 ...

Page 105: ...EW 2580 0006 NUT A 10MP39 MOTOR AD NOTE THAT MOTOR MUST BE INSULATED FROM MP14 CHASSIS 0570 1009 SCREW 2190 0763 WASHER 2360 0121 SCR EW A10A1 GEARBOX SUBASSEMBLY 01250 21101 SPACING WASHER __ 3030 0441 SETSCREW MP18 ...

Page 106: ...el 7414A MP8 MP2 MP9 MP8 MP2 r 1P9 MP12 MP2 MP13 MP12 MP2 MP13 MP15 MP19 MP4 MP23 MP3 MP23 MP3 MP23 MP3 MP23 MP3 MP19 MP14 MP14 MP16 MP11 MP5 MP21 MP22 MP18 Figure 6 17 Gearbox A 10A 1 07754 60040 Parts Location Diagrams 6 32 07414 1 ...

Page 107: ...ometerI return the entire assembly I which will be aligned at the factory Do not return stylus STY LUS 07754 60340 Reference Not Part of Galvanometer Assembly Section VI Replaceable Parts 07414 1 Figure 6 18 Galvanometer A 11 A 12 A 13 A 14 07754 60070 Parts Location Diagram 6 33 ...

Page 108: ...14A Figure 6 19 Marker A 15 A 16 07754 60350 Component Location Diagram I I R37 E R 6800 I FI i J I R421 I 7 470 I If R I L I 470 I I 5 I C I I L C21 R39 I I 0056 6800 1 I I I j 6 34 Figure 6 20 Oscillator 2400 Hz A 17 868 500AC13 07414 1 ...

Page 109: ...23 I J I 1800 I L CR21 I R27 I IK I I I L I CR22 I I I I _ _ I Figure 6 21 Oscillator 440 Hz A 18 868 500AC14 MP8 a MP5 MP11 MP7 MP10 I K t _MP1 MP2_ MP3 MP4 MP6 MP18 i NOTE I L SIGNAL CONNECTORS PROVIDED ARE NOT SHOWN _ __ __ Figure 6 22 Accessories A 19 Reference 07414 1 6 35 ...

Page 110: ...information can be supplied by your nearest Hewlett Packard Sales and Service office see list at the rear of this manual SERIAL PREFIX MAKE MANUAL CHANGES SERIAL PREFIX MAKE MANUAL CHANGES 114 fiA NONE 1135A CHANGE 1 1113A CHANGE 1 2 CHANGE 1 CHANGE 2 1 18912 3 1 18803 2 1 18755 1 Page 6 4 Table 6 1 A2A1C6 and A2A1R11 were not present Page 6 9 Table 6 1 A4U1 and A4U2 were Integrated Circuit 1820 0...

Page 111: ...King of Prussia Industrial Park King of Prussia 19406 Tel 215 265 7000 TWX 510 660 2670 RHODE ISLAND 873 Waterman Ave East Providence 02914 Tel 401 434 5535 TWX 710 381 7573 TENNESSEE 218 Crosstown Office Bldg 1420 Union Ave Memphis 38104 Tel 90l 274 7472 Service Only ONTARIO Hewlett Packard Canada ltd 880 Lady Ellen Place Ottawa 3 Tel 613 225 6180 225 6530 TWX 610 562 1952 Hewlett Packard Canada ...

Page 112: ...P O Box 1152 Nicosia Tel 6282 75628 Cable HE I NAMI ETHIOPIA African Salespower Agency Private ltd Co P O Box 718 58 59 Cunningham SI Addis Ababa Tel 12285 Cable ASACO Addisababa HONG KONG Schmidt Co Hong Kong ltd P O Box 297 1511 Prince s Building 15th Floor 10 Chater Road Hong Kong Tel 240168 232735 Cable SCHMIDTCO Hong Kong INDIA Blue Star ltd Kasturi Buildings Jamshedji Tata Rd Bombay 20BR Ind...

Page 113: ...07414 91999 HEWLETT h PACKARD PRINTED IN U S A ...

Reviews:

No comments

Brands by name

Popular brands

Load more brands