Keithley 172 Instruction Manual Download Page 93

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Summary of Contents for 172

Page 1: ...ction Manual Contains Operating and Servicing Calibration Information for Models 172 173 1722 and 1728 Publication Date October 1977 Keithley Instruments Inc Instrument Division Cleveland Ohio U S A D...

Page 2: ...INSTRUCTION MANUAL Dlgltat Multlmeter Models 172 173 Contalnr Operating and SafuWno bmtlon In omuNon For Moddr 172 173 1722 and 1728 1 1 KEITHLEY INSTRUMENTS m...

Page 4: ...UREMENT CONSIDERATIONS I HOW TO USE MODEL 172 173 OFF GROUND 3 11 HOW TO USE OPTIONAL PROBES AND SHUNTS 3 12 HOW TO USE THE MODEL 1722 DIGITAL INTERFACE ACCESSORIES 4 l GENERAL POWER OPTIONS ISOLATED...

Page 5: ...al 4 WIRE Resistance Measurement 3 9 13 Semiconductor Diode and Transistor Testing 3 10 I4 Illustration of Floating Operation 3 11 I5 Model 1722 Digital Output Interface 3 14 16 Installation of Model...

Page 6: ...I INSTRUCTION MANUAL Digltal Multimeter Models 172 173 12 75 324 I DIMENSIONS IN INCHES MM FIGURE 1 Dimensional Data na...

Page 7: ...I INSTRUCTION MANUAL Digllal Multimeter Model 172 173 SPECIFICATIONS AA...

Page 8: ...INSTRUCTION MANUAL Digital Mullimeler Models 172 173 r LEVEL POSITION TILTBAIL AT FRONT HANGING POSITIOI SHELF POSITION 45 POSITION LEVEL POSITION TILTBAIL AT REAR FIGURE 2 Tilt Bail Positions vi AA...

Page 9: ...notice sheet attached to the inside back cover of the manual l 5 OPTIONAL MODEL 1728 RECHARGEABLE BATTERY PACK The Model 1728 is an accessory batterY pack which enables either line or battery operatio...

Page 10: ...2 173 FUNCTION AND UNITS DISPLAY my INPUT HI AND LO UPPER PAlR OHMS SOURCE LOWER PAIR VOLTAGE FUNCTION OUT AHPERES FUNCTION IN DC FUNCTION AUTORANG NG OUT MANUAL RANGING IN LINE POWER LINE AND EAT MUS...

Page 11: ...INSTRUCTION MANUAL GENERAL INFORMATION Dlgllal Multlmeler Modelr 172 173 I 3...

Page 12: ...ELLOBAT LlGHTCIIMFSflNIf RdTTlAY 1 OPERATlONWOULOCAUSEfAULTYREAOlNGS SELFTEST REARPANEL DC CONNECT NG NPUTHITODCTERMINALW CAIJSE NSTRUMENT f PROX 5VINOCVOLTSANOImAINOCAMPS IIAC 1 CONNECTlNGlNPUTHITOAC...

Page 13: ...EMA 5 l5P The permanently installed line cord is stored by wrapping the cord around the base of the instrument as shown in Figure 4 CAUT I ON This instrument has an internal line power selector switch...

Page 14: ...INITIAL PREPARATION INSTRUCTION MANUAL Digital Mullimeler Models 172 173 SELF FUSE FIGURE 5 Rear Panel Showing Current Fuse and Check Points 2 2 AA...

Page 15: ...28 Rechargeable Battery Pack The batteries furnished with the Model 1728 are already installed in the battery pack The battery pack in cludes 7 rechargeable C cells l ZV 2 AMP Hr and two 19 2 volt pac...

Page 16: ...INITIAL PREPARATION INSTRUCTION MANUAL Digilal Mullimeler Models 172 173 J402 a FIGURE 6 Model 1728 Rechargeable Battery Pack...

Page 17: ...173 INITIAL PREPARATION WARNI NG t Disconnect the line cord on the instrument before the Battery Pack is installed Line voltage is present at various places on the circuit board and is a SHOCK HAZARD...

Page 18: ...mit recharging of the Pack C The test point may be checked at any time using the Model 172 173 or other mea suring instrument Then voltages are summarized in Table 2 3 IMPORTANT The instrument must be...

Page 19: ...s the line voltages permitted I Set the internal line voltage switch to either ll7V or 234V 2 Plug the line cord into source of line power 3 Depress LINE pushbutton NOTE Power on will be indicated by...

Page 20: ...FUNCTION V A Function is selected by means of four pushbuttons AC DC and R d DC This pushbutton must be used with V A to select either DC voltage or DC cur rent fu lct ions 1 DC Voltage Depress DC Rel...

Page 21: ...ely 2 When the display reaches 02599 the Model 172 173 downranges that is it changes to greater sensitivity and the decimal point moves appropriately b MAN When depressed the range is placed in hold T...

Page 22: ...etween HI and LO terminals The terminals are designed to accept banana style plugs Such as Keithley part no BG 5 or accessory test leads such as Model I681 Clip On Test Leads 4 Observe the displayed d...

Page 23: ...s possible to select 30A 300A 3000A Ranges but 2A Max is sti the limit I Set to DC Amperes 2 Set to AUTO 3 Connect the signal to be measured at the HI terminal 4 Observe the displayed digits polarity...

Page 24: ...re blanked 1 Set to DC Amperes 2 Set to AUTO 3 Connect the signal to be measured at the HI terminal 4 Observe the displayed digits polarity sign decimal point location and measure ment unit A mA or A...

Page 25: ...ed infor mation 3 Set to AUTO 4 Connect the resistance under test between the upper set of HI and LO terminals 5 Observe the displayed digits decimal point location and meaSurement unit c KR or MC b L...

Page 26: ...rify a display of 1 mA b AC Voltage Measurements 1 Overloads When the display exceeds 1000 0 V AC t m all digits blink to in dicate an overload condition 2 Input Impedance The input impedance is 2 meg...

Page 27: ...odel 172 173 Rs source resistance d Resistance Measurements I Maximum Allowable Voltage Input The maximum input should not exceed 250V rms sine wave or t250V dc 2 Polarity of Ohms The Model 172 173 pr...

Page 28: ...ltage applied must be sufficient to cause conduction in the forward direction The HI OHMS mode provides a voltage up to 3 volts at a current pto I milliampere Since the HI terminal is positive with re...

Page 29: ...A to n V across Ik I x Iki IO x IO3 1O VDC The isol ation capacitance frwn LO to GND is important when AC cornnon mode signals are present of 60 2 In the Model 172 173 this capacitance is specified at...

Page 30: ...d 30 volt range The Model 1682 has a IVdc output corresponding to I V rms input over the range 100 kHz to 100 MHz IMPORTANT For use on the 3 volt range the banana plug adapter with IO megohm resistor...

Page 31: ...main circuit board which must be temporarily removed in order to free the top cover see Figure 40 6 Remove the Model 1728 Rechargeable Battery Pack if installed disconnect connectors from the mother...

Page 32: ...OPERATING INSTRUCTIONS INSTRUCTION MANUAL Digital Multimeter Models 172 173 J1002 J1003 AA...

Page 33: ...INSTRUCTION MANUAL Dlgltsl Mullimeler Mode18 172 173 OPERATING INSTRUCTIONS CB PI01 1 c 3 SPACER i 4 Places 1 J 3k T bllr Kt IO Installation of Model 1722 3 15...

Page 34: ...o Comnand Pin No Signal 21 22 23 24 25 26 27 28 104 2 103 l 104 l 103 l lo 8 101 8 IO 4 101 4 OVERFLOW POLARITY TABLE 3 7 Summarv of Remote Commands at PI101 CASE GND COMMON COMMON AUTORANGED STROBE T...

Page 35: ...7 Cable Set d How to Select Vext Using Internal Jumper The Model 1722 may be wired for use with internal or external voltage references and internal pull up resistors See Figure 16 I Jumper A When thi...

Page 36: ...3PERATING INSTRUCTIONS INSTRUCTION MANUAL Digital Mullimeler Models 172 173 1 3 18 FIGURE 13 Location of Jumpers and Pull Ups on Model 1722 AA...

Page 37: ...UCTION MANUAL Digltal Multimeler Models 172 173 OPERATING INSTRUCTIONS TABLE 3 8 Digital Output Lines Grouped By Function Name FUNCTION STROBE AUTORANGE TRIGGER MODE LOAD RANGE FLAG RESET FLAG FLAG ST...

Page 38: ...he end of the next data update the FLAG will reset go to Logic REMOTE CONTROLS 1 Strobe Strobe lines permit word serializing in 4 bit increments or multiples thereof HIGH inhibits controlled output li...

Page 39: ...change However the display and output data will be held not updated during TRIGGER MODE or HOLD Referring to timing schematic 28249 it is possible to just miss a REMOTE CONTROL update prior to data ou...

Page 40: ...2 173 Operating 0 C to 55 C humidity 80 35 C Storage 25 to 65OC f Modifications to Model 172 173 Specifications When operating a 172 173 with a lj 2Z in TRIGGER MODE only the accuracy specifications f...

Page 41: ...l I 0 0 0 IO 0 I 0 IO I 0110 0 IO I 0 II0 0 010 0 0 II 0 IO 0 0 IO I 0 110 0 Ill 0 0 II 0 I 0 0 0 IO 1 0 I I 0 0 Ill IO 0 0 EXP III1 AUTORANGE I IO IO IO 0 I I Ill1 AUTORANGE IO IO IO 0 l IO 0 0 0 I I...

Page 42: ...as follows AC AMPS OUTPUT FUNCTION CODE I RANGE OUTPUT RANGE CODE I I EXP INPUT RANGE CODE 1 3 VAACR R8 R4 R2 R R8 R4 R2 R 010 0 I II 1 AUTORANGE 300 PA 0 IO I IO 10 3 mA 0 II0 IO 0 I 30 mA 01 I I 300...

Page 43: ...e 1728 claim that their cells can be charged at a C IO rate indefinitely once a cell is fully charged the energy fed to the cell is converted to heat which increases the temperature of the cell If cel...

Page 44: ...Blo use 3 AB 3 AG l 8 A Slo Blo use 3 AB 3 AG I A Slo Blo use 3 AB 3 AG 2 A Quick use 3 AB 3 AG 3 A Quick op Cover less metalcal lottom Cover less metalcal landle less insert Insert ubber Foot 26 WHE...

Page 45: ...ce both options occupy the same location on the Model 172 173 chassis 4 4 RACK MOUNTING THE Model 172 173 can be rack mounted in a full rack I9 inch width in either a single or dual mounting configura...

Page 46: ...mbly of rack hardware is complete except for mounting of Instrument 5 Rotate handle of Instrument so that handle is toward rear of Instrument Han dle can be removed completely if desired by separating...

Page 47: ...Right Side I 280978 5 Slotted Screw i6 32 x 2 l 4 in 4 _ a 6 Flat Wasner 6 4 __ cs 7 Phillips Screw 8 32 x l 2 in 4 __ f TJj Blank Cover Plate I 28098B 8 Hole Plug 2 HP 20 a 9 Kep Nut 8 5 _ I handle L...

Page 48: ...kilovolts dc The probe is optimized for use with a dc voltmeter having 10 megohms input resistance MODEL 1682 RF PROBE Description The Model 1682 is an RF probe for measurement up to 100 MHz The Mode...

Page 49: ...L 1727 DIGITAL OUTPUT CABLE SET Description The Model 1727 is a cable set consisting of 26 and 40 conductor ribbon cable terminated by mating card edge connectors to the model 1722 The Model 1727 3 is...

Page 50: ...Models 172 173 MODEL 702 7029 LOW VOLTAGE SCANNER Description The Model 702 7029 is a ten channel low voltage scanner The 702 7029 can be used for manual scan or remote scanning operation I MODEL 750...

Page 51: ...o the following major categories a Input Signal Conditioning b Power Supply c Display Board d Durrent Board e Battery Pack Model 1728 f A D Converter 4 Digital Interface Model 1722 OPTION POWER MODEL...

Page 52: ...ushbuttons IN at the same time Both pushbuttons must be set to 1 OUT before either can be set to IN Push 1 Push means that a single depression will I place the pushbutton to IN a second depress L oon...

Page 53: ...either AC or Not functional when set to I s set to measure voltage either AC or s set to low ohms range b DMM IS set to high ohms range 2 Only functional when set to i DMM is sat for 4 WIRE ohms measu...

Page 54: ...K901 and line controls QYOl See table 5 2 4 Overload protection is assured by the clamp circuit RY29 and C907 If a large sltage is applied on the 300 m V or 3 V ranges the clamp limits the voltage to...

Page 55: ...of C808 and C809 This minimizes settling time when autoranging e AC Converter 1 The AC converter is a transconductance amplifier The simplified circuit shows the basic operation The AC input voltage...

Page 56: ...NUAL Digital Mullimefer Model 172 173 I 158 4 pF 4804 TO AC CONVERTER 0 K801 FIGURE 24 Simplified AC Attenuator Circuit C808 Ein 809 lin l AANb Rin 812 R807 4 lin Eout t Rout 802 803 r lin k 802 V FIG...

Page 57: ...er configuration is used The current is generated by applying a reference voltage to the input resistor of the summing amplifier and connecting the unknown resistor in the feedback loop of U702 to for...

Page 58: ...gh However if signals are negative with respect to the ohms source high CR703 reverse biases cutting off that portion of the circuit All of these high voltages will cause current to flow through R703...

Page 59: ...is regulator is used to drive the display the digital logic circuitry in the A D converter and all the relays VR603 is a 215 volt dual tracking regulator It is an integrated circuit with complete regu...

Page 60: ...ly the low battery light will indicate when the batteries have become low and need recharging However it could be Jsed to troubleshoot for a defective cell 5 4 DISPLAY BOARD SCHEMATIC 27404D a This sc...

Page 61: ...b b b b for last of tl V indicator 173 I I I Off other half V A indicator 172 ic c ic C c Same as above uA indicator 173 not used 172 d d d d id d Same as above mA indicator 173 not used 172 I e e e e...

Page 62: ...ty gain amplifier US01 guards me center connection of these diodes This assures good performance on the 300 micro ampere range which nas IO nanoampere sensitivity A 3 amp medium acting fuse limits the...

Page 63: ...ermittent use b BT402 ET403 argi ng ET402 ET403 are charged via a constant current from Q402 or Q40l respectively These circuits operate similarly to the above circuit except that they are powered byu...

Page 64: ...trueintegral of the analog input over any specified sampling time The circuitry which performs the V F function is explained in detail in Section b 4 The charge balance circuitry described in Section...

Page 65: ...ed by the flip flop and appears as the latched output QR A quarter of a clock period after that event at tj the out of phase clock Cl goes high and enables the output of the AND gate thereby turning o...

Page 66: ...oved from the integrating capacitor during each discharge cycle is equal to the product of the reference current I and one half the clock period Through appropriate circuit design these two parLmeters...

Page 67: ...n connection with Figure 28 C Auto Zero and Auto Calibrate Circuitry 1 The charge balance system shown in Figure 30 is inherently highly linear but both its zero and full scale calibration scale facto...

Page 68: ...THEORY OF OPERATION INSTRUCTION MANUAL Digilal Mullimrler Models 172 173 FIGURE 30 Simplifiea bcnematbc or V F Converter I 5 18 AB...

Page 69: ...d in five major blocks a Input Multiplexer b Reference current forcing circuitry C Comparator filter d Auto Zero feedback and storage circuitry e Auto Cal feedback and storage circuitry 6 This circuit...

Page 70: ...rHEORY OF OPERATION INSTRUCTION MANUAL Digital Multimeter Models 172 173 FIGURE 31 Simplified Schematic of Complete A D Converter AB...

Page 71: ...urce follower Consider the following circuit elements Transcond uctance amplifier integrating capacitor switching mode amplifier comparator and comparator f i 1ter auto zero loop switch source followe...

Page 72: ...d into three 40 msec phases During the first two of these phases the buffer amplifier gain is held constant at either IX or IOX depending on DMM range and function During the AZ1 phase the input multi...

Page 73: ...the trigger input of El017 timer A buffered version of UPCLK is also run via diode gate CR1002 to the threshhold input of UlOl7 UlOl7 is such that its output will go high when a falling edge goes int...

Page 74: ...IORY OF OPERATION INSTRUCTION MANUAL Olgltal Multimeter Models 172 173 b FIGURE 33 Model 1722 Block Diagram...

Page 75: ...0 ms and calibrates itself to the difference between AZ l and ACAL Thus it is calibrated to the voltage across RG Since Rc is a fixed stable resistor the value of I is now known Since I flus through R...

Page 76: ...haracteristics List of Test Eat TEM A DESCRIPTION DC Calibrator lip T SPECIFICATION I HFR I HFR MODEL I 0 2 V through lOOO Vdc j FLUKE 343A 0 002 or 2ouv AC Calibrator 0 2 through 20 v rms 0 022 touv...

Page 77: ...k With the Model 1728 Rechargeable Battery Pack installed 1 Check for proper installation of individual cells in the battery pack as shown in Figure 7 2 Depress BAT pushbutton 3 Verify that the LO BAT...

Page 78: ...3v 2 0000 Vdc k1 9997 t0 k2 0003 vdc 1 9996 to i2 0064 Vdc 3ov 20 000 Vdc i19 997 to 20 003 Vdc 119 996 to t20 004 Vdc 3oov 200 00 Vdc 199 97 to t200 03 Vdc 199 96 to i200 04 Vdc 1ooov lOOO O Vdc 399...

Page 79: ...ck I High Ohms a Set to OHMS b Set to HI C Set to 2 WIRE d Set to AUTO e Connect the Decade Resistor D to the instrument input terminals f Set the Decade Resistor to the resistance specified in Table...

Page 80: ...mance Check LO OHMS Range Relative Accuracy Absolute Accuracy 3oon 199 93 to 2DD 07Q 199 91 to 200 09 3KQ I 9993 to 2 0007KQ I 9991 to z ooogKn 30Kn lg 993 to 20 007KR lg 991 to 20 DO9Kn 300KR 199 91...

Page 81: ...A I 9978 to 2 0022mA 1 9977 to 2 0023mA 20 OOOmA 19 978 to 20 022mA 19 977 to 20 023mA i 200 00mA 0 19978 to 0 20022A 0 19858 to 0 20142A 2 0000A 1 9958 to 2 0042A 1 9838 to 2 0162A Does not include t...

Page 82: ...al Buffer Zero 290KQ ADJ 1OMR ADJ R Bias 2 9Kn ADJ IV I IkHz ADJ lOmV IkHz ADJ 1OOV 1kHz ADJ lKV lkHz ADJ IKV DC ADJ 300mV Zero 290V DC ADJ 3ov Zero IOmA DC ADJ IOOmA DC ADJ IA DC ADJ T Paragraph 6 4...

Page 83: ...CTION MANUAL Dlgllal Mulllmeter Models 172 173 MAINTENANCE TOP COVER 27979c SPACER 257628 FRONT PANEL 27958A 173 2802YA 172 INSERT 26090A i 257290 HANDLE COVER rlbunr 3 lop and Bottom Cover Assembly A...

Page 84: ...er Models 172 173 ECTS TO LINE FUSE F601 LINE VOLTAGE SWITCH 5601 NOTE DRESS WIRES BETWEEN SHELI AND POSTS BEFORE TOP COVER IS PLACED IN POSITION MODEL I73 SHOWN WITH CURRENT BOARD INSTALLED FIGURE 36...

Page 85: ...e drop 6 4 ADJUSTMENT CALIBRATION PROCEDURE The following adjustments should be performed when a specification has been determined to be out of tolerance For checking the in strument to its maximum pu...

Page 86: ...re interrelated and dependent on prior calibration steps c A D Calibration NOTE This procedure must precede the regular analog section calibration to ensure that the instrument will meet all rated spe...

Page 87: ...ting to the metal shield In addition the screwdriver should be rigid so that adjustments can be made with minimum backlash ii 803 R8og Ii R9Oi c R8l6 817 ii C8 7 51 819 I R91 I h R913 _ c82 I C820 I M...

Page 88: ...clearance bend the tabs on the heat sink to provide After a new regulator is installed bend the heat sink tabs to their original condition to avoid a short circuit to the metal shield or other conduct...

Page 89: ...t range to 3K ii I Adjust potentiometer R707 2 BIAS for a level of IV O ZV during AUTO ZERO AZ1 and AUTO ZERO A22 periods A AL period Adjust potentiometer R208 0 3V Ref fora level of IV 10 2V during A...

Page 90: ...Set the DC Calibrator for an output of 5 PV see note above d Adjust the 300 mV ZERO RV04 f or a display which flashes between 0 and I e Set the instrument on the 30 V range f Set the DC Calibrator for...

Page 91: ...z ADJ R8og 009 99 to 010 01 mv 3 v 1 0000 v I KHz I KHZ ADJ 803 0 9999 to 1 0001 V 300 v 100 00 v 1 KHZ 1 KHz ADJ R816 099 99 to 100 01 v 1000 v 1000 0 v 1 KH 1 KHZ ADJ 11817 999 9 to 1000 1 v t t ooo...

Page 92: ...instrument to 3KQ range HIR Depress 2 WIRE 4 WIRE Connect the 4 WIRE test cable between the input terminals and Decade Resistor Set the Decade Resistor to 2 9000KR Adjust the Z PKn ADJ R709 for a rea...

Page 93: ...rd at 601 4 Batteries need recharg ing Check for LO BAT indication 2 Battery fuses blown 3 Batteries improperly installed on battery pack 4 Battery cables improp erly installed 1 Display cable P3Ol no...

Page 94: ...lAlNTENANCE INSTRUCTION MANUAL Digital Multimeter Models 172 73 JIOOI FIGURE 40 Plug In Connections on PC 407 6 20 CB...

Page 95: ...blown ts f CORRECTIVE ACTION Check plus P3Ol and matins connecior J201 t4ake cergain all pins are making contact a bar Check R3O2 pin 14 for signal When ON voltage should be approx l 8 b bar Check R3O...

Page 96: ...Coating b For minor repairs a soldering iron can be used to melt through the coating to unsolder or resolder a component lead After cleaning the soldered area recoat with Conformal Coating 3 Cleaning...

Page 97: ...t designation series is 700 800 and 900 b A D Converter 28656E Sheet 2 of 3 This schematic describes the analog to digital converter and the range selection circuitry 100 and 200 Circuit designation s...

Page 98: ...Electronic Devices Inc Yonkers NY 10710 Belden Mfg Co Chicago IL 60644 EFJ 70903 E F Johnson Co Waseca MN 56093 Berg Electronics Inc New Cumberland PA 17070 ERI 22526 Erie Technological Prod Erie PA 1...

Page 99: ...CA 95054 17856 OL Holex SPG Downers Grove IL 60515 Sprague Electric Co 27264 Visalia CA 93278 14659 10T Motorola Semi Prod Inc T l Phoenix AZ 85008 04713 Texas Instruments Inc Dallas TX 75231 01295 IA...

Page 100: ...30 C 64 33 coo7 O oluF 16v CerD CLB UKl6 103 c 238 01 008 0 01 uF 16v CerD CLB UKl6 103 C 238 OIM 009 2 2 uF 2OV ETT C l TDl 20 225 20 C 179 2 2 LO10 0 47pF SW Cer Film ERI 813l050651474 C 237 0 47t 1...

Page 101: ...hematic 27404D C3Ol 180 F 20 6v DIG Dl80EC6M I c 270 l80M C302 O OluF 16v CerD CLB UKl6 I03 C 238 OlM 500 SERIES Schematic 2747GD C5Ol 47 pF IOOOV CerD CLB DD 470 64 47 600 SERIES Schematic 28067D 601...

Page 102: ...Shift Register RCA CO402lAE Quad 2 Input AND 14 pin DIP RCA CD4081BE COShIOS Dual 4 Input NAND Gates RCA CD4012AE Six COS MOS Hex lnvertec RCA CD4069BE c 141 c 141 c 141 c 137 c 14 1 c 103 c 108 c 13...

Page 103: ...fr Mfr Desig Keithley Description Code Desig Part No w201 w501 w601 801 w901 AB 200 SERIES Schematic 28656E K 1 _ 500 SERIES Schematic 28656E K l J 3 J 3 600 SERIES SCHEMATIC 28656 K l J 3 800 SERIES...

Page 104: ...al 27979c Metalcal for top cover MC 236 Bottom Cover less metalcals 25727E Metalcal operating instructions MC 239 Metalcal rear panel MC 2j5 Handle less insert 25729D Insert 2 req d 26090A Spacer 4 re...

Page 105: ...810 811 C812 c813 814 C815 C816 C817 C818 c819 C820 821 cgo1 cgo2 c903 cyo4 c905 cgo6 c907 cgo8 C909 NS C910 NS CR00 1 CR002 CR003 CR201 CR202 CR203 CR204 CR205 cR206 Location Code J 2 I 14 T 14 z 15...

Page 106: ...30 R012 Y 29 R013 T 27 RIOI H 27 RI02 F 25 RI03 F 23 R104 F 21 RI05 F 18 RlO6 H 20 RI07 G 19 R108 H 18 RlOV H 17 RI10 T 23 Rlll X 26 RI12 X 27 R113 2 26 RI14 2 27 R201 K 17 R202 L 19 R203 18 204 M 18...

Page 107: ...W II Y 12 2 12 a 12 NOT USED b 8 c 7 d 12 e 12 e 11 e 10 f 12 f 11 g 5 e 18 f 19 f 18 REPLACEABLEPARTS TABLE 7 2 continued Component Designations For PC 407 UOOI uoo2 uoo3 uoo4 uoo5 UlOl UlO2 u103 u2...

Page 108: ...t I t p I I I I I ir...

Page 109: ...21 29 5 REG I I I R408 1001...

Page 110: ...I...

Page 111: ......

Page 112: ......

Page 113: ...E c c c...

Page 114: ...lcl04 TD2 20 106 20 TAP4X7E200 DD I51 TD2 20 106 20 TD2 20 106 20 D220EDlOMl TD5 010127 20 TD5 010127 20 TD2 20 106 20 DD 330 TD2 20 106 20 TD2 20 106 20 ROMISFD UKl6 103 145PF l 187 0109 005 273 l l...

Page 115: ...0 01 pF 16v CerD CL6 UKl6 103 0 01 uF l6v CerD CLB 16 103 0 01 pF l6v CerD CLB UKl6 103 10 uF 2OV ETT ITT TAP FOlOF200 0 01 uF l6v CerD CLB UKl6 103 0 01 uF l6v CerD CLB U l6 103 100 uF l5V ETT C l T...

Page 116: ...ct ifier 75 mA 75V T 1 IN914 RF 28 CR210 Rect ifier 75 mA 75V T l IN914 RF 28 Q211 Rectifier 75 mA 75V T l IN914 RF 28 1212 Rectifier 75 mA 75V T l lN914 RF 28 213 Rectifier 75 mA 75V T l IN914 RF 28...

Page 117: ...tic 28656E CR601 Bridge Rectifier IOOV 2 A EDI PDIO RF 36 602 BridgyRectifier IOOV 2 A EDI PDIO RF 36 700 SERIES Schematic 28656 CR701 Rectifier 75 mA 75V T l lN914 RF 28 CR702 Rectifier 75 mA 75V T l...

Page 118: ...g Diode H P Pi lot Light Light Emitting Diode H P Pi lot Light Light Emitting Diode H P Pilot Light Light Emitting Diode H P Pilot Light Light Emitting Diode H P Pilot Light Light Emitting Diode H P P...

Page 119: ...Quick L F 312002 600 SERIES Schematic 28656 FU 2 FU 13 F6Ol Slo Blo 1 4A 3AG 117V L F 313 250 FU 17 Slo Blo 1 8A 3AG 22OV BUS MDL l 8 FU 20 CONNECTORS J Circuit Mfr Mfr Keithley Desig Description Cod...

Page 120: ...d EFJ 105 0602 001 Tip Jack Recessed White EFJ 105 0610 001 Tip Jack Recessed Blue EFJ 105 0601 001 900 SERIES Schematic 28656E Not Used Not Used Banana Jack Red POM 2854 Banana Jack Black POM 2854 Ba...

Page 121: ...RL 44 RL 44 RL 44 RL 50 RL 49 RL 53 RL 51 Mfr Mfr Keithley Desig uescrlptl0n Code Desig Part No PI01 100 SERIES Schematic 28656 j pin Housing BRG 65507 136 300 SERIES Schematic 27404D P301 Cable Assem...

Page 122: ...STORS Q Circuit Mfr Mfr Keithley bsig Description Code Desig Part No 000 SERIES Schematic 28656E 100I Transistor Dual Monolithic PNP A D AD820 TG 121 JO02 NPN Case TO 106 F l 2N5134 TG 65 Qoo3 NPN Cas...

Page 123: ...AT INT NAT INT NAT F l MOT MOT NAT NAT NAT F l INT INT INT MOT PN4392 TG 129 ITS3538 TG 88 PN4393 TG 130 ITE4392 K 77 PN4392 TG 130 2N3565 TG 39 2N3905 X 53 ITS3538 TG 53 PN4392 TG 128 4392 TG 128 PN4...

Page 124: ...P TO 92Case MOT N Chan J FET Case TO 18 INT NPN Case TO 106 Selected TG 39 F l NPN Case TO 106 Selected TG 39 F l FET Case TO 18 Selected TG 88 INT 2N3565 ITE4392 ITS3538 MPS tO tA 2N3565 2115087 ITS3...

Page 125: ...l F l F l F F F F F F F I F I NPN Case TO 106 F l NPN Case TO 106 F l NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NPN Case TO 106 NP...

Page 126: ...0 5W BEC 72PMR 6 336 kti O l 1 8W MtF DLE MFF l 8 6 336 150 kg 15 1 8W MtF IRC CEA TO I5OK 470 G IO 1 4W Comp A B CB 121 104 470 Sl 102 1 4W Comp A B CB 121 IO 200 kc I 1 8W MtF IRC CEA TO 2OOK Thick...

Page 127: ...O 1 4W Comp A B CB IOO IO Thick Film Resistor Network K l _ _ 8 2 k l IO 1 4W Camp A B 822 108 300 SERIES Schematic 27404D Thick Film Resistor Network Thick Film Resistor Network I R 12 1 2w 2 2 5 1 4...

Page 128: ...only 7 JO IKR I l Ew MtF IRC 50 30 KR I 1 8w MtF IRC KR I 1 8w MtF IRC 600 SERIES Schematic 28656E HARb 900R MAR6 90R TS SS 9 lC CEA TO 499 72PMR IOK TSS 0 91 CEA TO 40 2 72PHR IK TSIO 0 102R CB 2R7...

Page 129: ...kR I 1 8w MtF IRC CEA TO 68 lK SOOn 0 1 1 8w MtF IRC MAR 6 IOMR 10 1 4W Comp A B cB 106 10 100 kn Potentiometer 0 5W BEC 72PMR IOOK 24 3 k0 O l 1 8W MtF IRC CEA TO 24 3 15 8 KR I 1 8w MtF IRC CEA TO l...

Page 130: ...CEA TO 133K EB 273 10 CB 332 10 CB 332 10 38 332 104 CB 102 10 CEA TO l50K 281 150K CB 332 10 CB 332 10 R 12 I R 88 133 R 88 49 9K R 88 49 9K R 76 470 R 88 IOK R 88 133K R I 27K R 76 3 3K R 76 3 3K R...

Page 131: ...F 54 RI105 Resistor Network Thick Film K l TF 54 RI106 6 5 kR I 1 8w IRC CEA TO 6 5KL R 88 6 5K RI107 10 kR I l 8W IRC CEA TO IOKG R 88 IOK SWITCHES 5 Circuit Mfr Mfr Keithley Desig Description Code D...

Page 132: ...e Integrated Circuit K l u201 Transistor array u202 Operational Ampl TO 5 Case Selected IC 57 200 SERIES Schematic 28656E Ill pin DIP RCA 3086 fier a pin 280VOA NAT LH0042CH IC 132 u301 u401 u50 I U50...

Page 133: ...S Dual 4 Stage Static Shift Register COS MOS Dual 4 Stage Static Shift Register COS MOS Dual 4 Stage Static Shift Register COS MOS Dual 4 Stage Static Shift Register Quad 2 Input AND 14 pin DIP Quad 2...

Page 134: ...08 COS MOS 8 Stage Static Shift Register RCA CD402lAE IC I30 ulloy Quad 2 Input AND 14 pin DIP RCA CD408lBE It 138 Ull IO COS tlOS Dual 4 Input NAND Gates RCA CD4012AE IC I40 Ullll Six COS MOS Hex lnv...

Page 135: ...Mfr Keithley Desig Description Code Desig Part No 200 SERIES Schematic 28656 w201 K J 3 500 SERIES Schematic 28656 w501 K l J 3 1 600io SERIES SCHEMATIC 28656 w601 K i 1180011SERIES SCHEMATIC 28656 8...

Page 136: ...r top cover Bottom Cover less metalcals Metalcal operating instruction5 Metalcal rear panel Handle less insert Insert 2 req d Spacer 1 req d Rubber foot 4 req d Front Panel Model I72 Front Panel Model...

Page 137: ...07 c808 809 810 811 C812 C813 C814 C815 C816 C817 C818 819 C820 C82l C9Ol 02 c903 c904 c905 306 c907 CR001 CR002 CR003 CR201 CR202 CR203 CR204 CR205 206 Circuit Desig _ 908 C903 NS CVIO NS Location Co...

Page 138: ...OOY ROIO ROII ROl2 ROl3 RIOI RI02 R103 RI04 RI05 RI06 RI07 RI08 RIO9 RI10 Rlll R112 RI13 RI14 R201 R202 R203 R204 R205 206 R207 208 Location Code P 9 N 6 P 4 Q V b 3 V IO e 9 f 10 H 27 J 27 51 27 27 S...

Page 139: ...e 10 f 12 f II 9 5 I 8 f 19 f 18 AB TABLE 7 2 continued Component Designations For PC 407 I I I I I I 1 1 I 1 I Circuit Desig Location Code R927 NS k 17 R928 NS g 15 R929 NS n 16 R930 p 20 R93l p 20...

Page 140: ...3 I I I I I I I...

Page 141: ...t I r I...

Page 142: ...I I I 15 j 1 I I CR410 r I I...

Page 143: ......

Page 144: ...I I I i I...

Page 145: ...i...

Page 146: ...I I I K I I L...

Page 147: ...3 I m 0 cl m n I 0 I c L...

Page 148: ...TI...

Page 149: ...L 5 J Y J c...

Page 150: ...I Y 2...

Page 151: ...D m n Q m n G I x r 3 Z u 0 x v 4 c s x N u m 0 a m...

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