HP 5004A Operating And Service Manual Download Page 45 | Manualshive

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Model

Manual Changes

SECTION

MANUAL CHANGES

7-1.

INTRODUCTION

This section

contains information for adapting this manual to instruments for

which the content does not apply directly. Since this manual does apply directly to instruments
having serial numbers listed on the title page, no change information is given here. Refer to

INSTRUMENTS COVERED

BY

MANUAL in Section

I

for additional important information

about serial number coverage.

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Summary of Contents for 5004A

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Page 2: ...e date of shipment Hewlett Packard will at its option repair or replace products which prove to be defective during the warranty period pro vided they are returned to Hewlett Packard and provided the preventive maintenance procedures in this manual are followed Repairs necessitated by misuse of the product are not covered by this warranty NO OTHER WARRANTIES ARE EXPRESSED OR IMPLIED INCLUDING BUT ...

Page 3: ... SERIAL NUMBERS This manual applies directly to instruments with serial numbers prefixed 1704 Copyright HEWLETT PACKARD COMPANY 1977 5301 STEVENS CREEK BLVD SANTA CLARA CALIF 95050 MANUAL PART NO 05004 90001 Microfiche Part No 05004 90002 Printed MAR 1977 ...

Page 4: ...1 3 3 Panel Features 3 1 3 5 Signature Display 3 1 3 8 Hexadecimal Number System Symbols Digits 3 1 3 1 0 Test Terminal Grabber Connectors 3 1 3 1 2 Operator s Maintenance 3 5 3 1 4 Operator Self Test of 5004A 3 5 3 1 6 Instruments Compatible with 5004A 3 7 3 1 8 Operating Instructions 3 7 3 2 0 Typical Connections of 5004A to Device Under Test 3 8 3 2 2 Probe Pod and Power Cable Storage 3 9 3 2 4...

Page 5: ...t Signatues 8 9 Troubleshooting Signatures with SELF TEST and NORMAL SERVICE Switches 8 9 Disassembly and Reassembly Procedures 8 14 Data Probe Disassembly and Reassembly 8 15 Gating Signals Pod Disassembly and Reassembly 8 15 Block Diagram Description 8 16 Clock Start and Stop Signal Paths 8 16 ScanAest Oscillator Internal Clock 8 16 Self Test 8 16 Display Scan and Comparator Strobe 8 18 Service ...

Page 6: ...Pod Features 3 2 Operator Self Test 3 4 Operating lnstructions 3 6 Typical Connections of 5004A to Device Under Test 3 8 Probe Pod and Power Cable Storage 3 9 Logic Level Performance Test Setup 4 2 Positive Pulse Performance Test Setup 4 2 Negative Pulse Performance Test Setup 4 3 Data Probe Vcc Vref Graph 5 2 Fuse and Line Voltage Selection 5 3 Mechanical Parts 6 10 Troubleshooting Flowchart 8 11...

Page 7: ...CE Although this instrument has been designed in accordance with international safety standards this manual contains information cautions and warnings which must be followed to ensure safe operation and to retain the instrument in safe condition Service and adjustments should be performed only by qualified service personnel Any adjustment maintenance and repair of the opened instrument under volta...

Page 8: ...RMATION FOUND IN THlS MANUAL IS OFTEN USED WlTH POWER SLIPPI IED A N D PROTECTIVE COVERS REMOVED FROM THE INSTRUMENT ENERGY AVAILABLE AT M A N Y POINTS MAY IF CONTACTED RESULT I N PERSONAL INJURY CAUTION BEFORE SWITCHING ON THlS INSTRUMENT 1 MAKE SURE THE INSTRUMENT IS SET T O THE VOLTAGE O F THE POWER SOURCE 2 ENSURE THAT ALL DEVICES CONNECTED T O THlS INSTRU MENT ARECONNECTEDT O THEPROTECTIVE EA...

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Page 10: ...he prefix is the same for all identical instruments it changes only when a change is made to the instrument The suffix however is assigned sequentially and is different for each instrument The contents of this manual apply to instrumentswith the serial number prefix es listed under SERIAL NUMBERS on the title page 1 10 An instrument manufactured after the printing of this manual may have a serial ...

Page 11: ...onds START STOP to be valid at least 25 nanoseconds before selected clock edge HoldTime Zeronanoseconds START STOPto be helduntil occurrenceof selectedclock edge CLOCK INPUT Maximum clock frequency 10 MHz Minimum Clock Time in High or Low State 50 nanoseconds VOLTAGE OVERLOAD PROTECTION All inputs I50 volts continuous k250 volts intermittent 250 volts ac for 1 minute OPERATING ENVIRONMENT Temperat...

Page 12: ...SSORIES SUPPI IED 1 20 The accessories supplied with the 5004A are shown in Figure 7 7 a Depending on the customer s location the line power cable may be supplied with one of four line mains connectors Refer to the Power Cable paragraph in Section II b Five detachable grabber test connectors are supplied with the 5004A Refer to Sec tion Ill for a description and use c One ground wire for the data ...

Page 13: ...SUPPLIED 1 20 The accessories supplied with the 5004A are shown in Figure 1 1 a Depending on the customer s location the line power cable may be supplied with one of four line mains connectors Refer to the Power Cable paragraph in Section II b Five detachable grabber test connectors are supplied with the 5004A Refer to Sec tion Ill for a description and use c One ground wire for the data probe is ...

Page 14: ...for repair or replacement at HP option with out waiting for claim settlement 2 5 PREPARATION FOR USE 2 6 Power Requirements 2 7 The 5004A requires a power source a s shown in Section I Specifications 2 8 Line Voltage Selection 2 9 Changing the 5004A power sourcevoltagesetting requires the 5004A cabinet tobeopened Instructions for changing the line voltage setting are given in Section V 2 10 Line V...

Page 15: ...ST NOT BE NEGATED BY THE USE OF AN EXTENSION CORD POWER CABLE WITHOUT A PROTECTIVE CONDUCTOR GROUNDING 6120 1346 8120 06198 8120 2104 2 14 Operating Environment I I 2 15 TEMPERATURE The 5004A may be operated in temperatures from O C to 55OC Figure 2 1 Power Cable HP Part Numbers Versus Mains Plugs Available 2 16 HUMIDITY The 5004A may be operated in environments with humidity up to 95 However it s...

Page 16: ... ensure careful handling In any correspondence refer to the instrument by model number and full serial number 2 24 OTHER PACKAGING The following general instructions should be used for repacking with commercially available materials a Wrap instrument in heavy paper or plastic If shipping to Hewlett Packard office or service center attach tag indicating type of service required return address model...

Page 17: ...l have been received with some data bits in between NOTE No signature appearing on the 5004A display has any particularsignif icance beyond being a correct expected signature or an incorrect signature The number is however acount residue in the 5004A con verted to and displayed in hexadecimal 3 8 HEXADECIMAL NUMBER SYSTEM SYMBOLS DIGITS 3 9 The four digit front panel display presents numbers in a ...

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Page 19: ...m the unit being tested by the 5WA CLOCKTestLead Point of entry for CLOCK signalfrom theunit beingtestedby the 5004A GND Test Lead Common ground test lead for connection to unit being tested by the 5004A SWITCH NOTE The following six switches 0 a and are all pushed once to lock in on and push again to release out of switches 0SELF TEST Switch When pushed and locked in this test puts the 5004A in t...

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Page 21: ...he 5004A data probe to the PROBE TEST receptacle on the 5004A front panel Push the probe tip point gently and firmly into the PROBE TEST receptacleuntil the point is held securely 4 Connect the 5004A power cable to the correct power source and set the 5004A front panel as follows for the displays shown Four Seven Segment See Note UP73 then ACA2 SwitchSettings 3951 then 2P61 START in 1 out Displays...

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Page 23: ...nual 3 Connect the 5004A START STOP CLOCK and GND test inputs on the test pod to the specified test points of the D U T Refer to D U T manual 4 Set the YXUA front panel START STOP and 0 1 l e d e select switches a s stated in the D U T manual NOTE The edge select switches allow flexibility in selection of START and STOP signals For example one long pulse can be used for both START and STOP if the ...

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Page 26: ... Digital Voltmeter Resistor Resistor Capacitor Capacitor 4 5 With test equipment connected a s shown in Figure 4 1 proceed a s follows a Turn power ON on 5004A all other switches OUT b Adjust the 6111A Power Supply to 0 volts Probe indicator light should be off c Vary the Power Supply until probe indicator just light up dimly Probe tip voltage should be 0 8V1 0 3V1 0 2V d Increase power supply vol...

Page 27: ...Figure 4 2 proceed a s follows a Set Pulse Generator to output a positive going 5 volt lO ns pulse b Set Pulse Generator repetition rate to approximately one pulse per second The probe indicator should flash once every second c Disconnect test equipment ov 3v a 1 PPS SCOPE Figure 4 2 Poistive Pulse Performance Test Setup 5004A 80138 3 4 n Y 1 PULSE GENERATOR KEEP GROUND LEADS SHORT ...

Page 28: ... SHORT l ov Figure 4 3 Negative Pulse Performance Test Setup 4 10 DATA PROBE SETUP TIME PERFORMANCE TEST 4 11 Connect the equipment a s shown in Figure 4 4 Equipment front panel settings 80138 Front Panel Settings Pulse period 200 ns 5 MHz in 20 n position Pulse width square wave Amplitude 5V NOTE Adjust the 8007B pulse width to obtain approximately the same pulse period of 8013B throughout the fr...

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Page 32: ...st equipment listed in Section for units necessary in this procedure a Refer to the disassembly procedures in Section V111 and remove the data probe covers Refer to the parts location figure and schematic diagram in Section Vlll for other infor mation necessary for this procedure b Connect the negative test lead of the DVM to the Data Probe U2 1 and connect the positive test lead to Ul 7 Record th...

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Page 35: ...tor slgnallng M meter TP test point device aud ble or MP m scellaneous U Integrated cmrcult visual lamp LED mecnanlcal part mlcroc lc lt ABBREVIATIONS A ampere BAL balance COEF caelf c ent C degree Celsius ac alternallng current BCD blnary coded decimal COM common centr grade ACCESS accessory BD board COMP compos t on F degree Fahrenne t ADJ adlustmen1 BE CU berylltum copper COMPL complete K degre...

Page 36: ...uency Vrms volts rms IF inlermediate frequency y W mlcrowatt RFI radio frequency VSWR voltage standung wave IMPG ompregnated nA nanoamoere anterterence ratlo n inch NC no connection Re round head righl hand VTO voltage luned oscillator INCO incandescent NIC no mally closed RLC resistance inductance VTVM vacuum lube voltmeler INCL nclude s NE neon capacitance V X volts switched INP input NEG negati...

Page 37: ...d parts and pur chased parts Prefix 0121 0122 0140 0150 0160 0180 0330 0340 0370 0380 0410 0470 0490 0510 0674 thru 0778 0811 thru 0831 1200 1205 1250 1251 1410 1420 1820 1826 1850 1851 1853 1854 1855 1900 thru 1912 1920 thru 1952 1990 3100 thru 3106 8120 9100 Capacitors Variable mechanical Capacitors Voltage Variable semiconductor Capacitors Fixed Capacitors Fixed f Non Electrolytic Capacitors Fi...

Page 38: ... 5079 Components 5080 to 5099 6 13 Specific Instrument Parts 6 14 These are HP manufactured parts for use in individual instruments or series of instru ments For these parts the prefix indicates the instrument and the suffix indicates the type of part For example 05004 60003 is an assembly used in the 5004A Following is a list of suffixes commonly used Type of Part P N Suffix Sheet Metal 00000 to ...

Page 39: ... l01 LSVDC AL CAPACITOR CX0 SOOOPC SOOOPC IOI CAPACITOR CXD lUC 2OI SOVDC CLR NOT A88IONCD NOT A88IONCD NOT A88IONLD CAPACITOR CXD lUC 201 SOVDC CLR DIODE 8WITCMINO 10V SOMA 2N8 DO IS DIOOC PWR RLCT UOOV SOMA DO 29 OIODL PWR RLCT YOOV SOMA DO 29 DIDDL 8CMOTTKV lN5821 lOV IA DIDDL 8CHOTTKV lN582I lOV IA TRAN818TDR ARRAV TRAN818TOR ARRAY TRAN818TOR ARRAY TRAN8I8TOR ARRAY TRAN818TOR NPN 81 PDmISOMW C...

Page 40: ...CONNECTOR IGL CON1 PIN 011 IN IIC 82 CONNECIOR IGL CON1 PIN OIl IN 8IC IZ CONNECTOR 8OL CON1 PIN 031 IN 88C I2 CONNECTOR IOL CON1 I N OIl IN 8IC I2 CONNECTOR IGL CON1 PIN 031 IN IIC 82 CONTACT CONN UIW POIT TYPE MALE OPILOR CONTACT CONN UIW CO8T 1YCL MALE DCILOR CONTACT CONN U W OIT TYPE MALL OC8LDR IC CC 11L L I 0 TYPE POI COOL TRIO COM 1C 0111 TTL L I AND OR INV 4 IN It YLTR ECL1TTL ECL TO 1TL Q...

Page 41: ... M P l l 5060 0418 1 PIN T l ASSEM8LV 28480 IObO 04 I 8 MPB 00545 10201 I BODY BOTTOM HAL 28480 0014I 20201 MPlO OO Yb 40002 1 WINDOW 28480 OO Yb 40001 00147 40005 1 COVLR TIC 28480 00147 YOOOI MP9 0 9 0 0 1 0 1 0 4 1 BODY TO HAL 28480 0 004 10204 OIOOY 20205 1 WITCH U8H8UTTON 28480 0 004 20ZO 05004 bolo1 I CABLE A8SLMBLVr PROBE 28480 01004 bolo1 A1A1 01004 b0001 1 BOARD A88LMBLVe PROBE 28480 0500...

Page 42: ...CL At0 DUAL I C V RCLTR A4Al PIICLLLANEOU8 8CR1N0 O M MET 8E CU SOOYA 8IONATURE ANALYZER FUSE 25A 250V SLO 8LO 1 25X 25 UL IEC FUSE 125A 250VSLO 8LO 1 25X 25 UL IEC TRAN8fORMER COWER I C V RCLTR CABLE A18Y l8ANE 1 CNDCT JG1 JKT s21 O0 MI8CELLANEOUI CART8 8CACIR RNO 418L6 1810 2900 BR8 NI CL RETAINER CU8H O N TUB LXT 14 OIA 8RACIET RTANG 144 LS X r407 L0 118 WO HEAT IN1 8OL TO l CKO CLAMP CA IllS O...

Page 43: ...MIDON PROD GP HICKSVILL NY 02910 SlGNETlCS CORP SUNNYVALE CA 02995 MEPCO ELECTRA CORP MINERAL WELLS TX 03292 CORNING GLASS WORKS BRADFORD BRADFORD PA 03406 NA I IONAL SEMICONDUCTOR CORP SANTA CLARA CA 04200 SPRAGUE ELECTRIC CO NORTH ADAMS M A 04504 CHICAGO MINIATURE DRAKE CHICAGO IL 04568 BECKMAN INSTRUMENTS INC HELIPOT DIV FULLERTON CA 73138 04703 LllTELFUSEINC DES PLAINS IL 05448 BLIRNDY ENGINEE...

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Page 45: ...ng this manual to instruments for which the content does not apply directly Since this manual does apply directly to instruments having serial numbers listed on the title page no change information is given here Refer to INSTRUMENTS COVERED BY MANUAL in Section I for additional important information about serial number coverage ...

Page 46: ... LIKELY T O MAKE THE INSTRUMENT DANGEROUS INTENTIONAL INTER RUPTION IS PROHIBITED 8 5 Any adjustment maintenance and repair of the opened instrument under voltageshould be avoided a s much a s possible and when inevitable should be carried out only by a skilled person who is aware of the hazard involved 8 6 Capacitors inside the instrument may still be charged even if the instrument has been disco...

Page 47: ...ble for a relationship in logic shows implicitly or explicity all the combinations of true and false input conditions and the result output There are only two basic logic relationship AND and OR The following illustrations assume two inputs A and B but these can be generalized to apply to more than two inputs AND Y is true if and only if A is true and B is OR Y is true if and only if A is true or ...

Page 48: ...bly 8 19 In describing the operation of electronic logic devices the symbol H is used to represent a high level which is a voltage within the more positive less negative of the two ranges of voltages used to represent the binary variables L is used to represent a low level which is a voltage within the less positive more negative range 8 20 A function table for a device shows implicity ofexplicitl...

Page 49: ...alsonote that the of the NOR truth table and also note that the function table is the negative logic translation function table is the negative logic translation H O L l of the NOR truth table given in jH4 L l of the NAND truth table given in Example 3 Example 1 8 23 It should be noted that orre can easily convert from thesymbology of positive logic merely by substituting a polarity indicator tl f...

Page 50: ...Exclusive OR function the output will assume its indicated active level if and only if one and only one of the two inputs assumes its indicated active level Inverting function The output is low if the input is high and it is high if the input is low The two symbols shown are equivalent Noninverting function The output is high if the input is high and it is low if the input is low The two symbols s...

Page 51: ...indicate an OR relationship between inputs or between in puts and outputs with this letter V The letter F indicates a connect disconnect relationship l f the F free dependency inputs or outputs are active 1 the other usual normal conditions apply If one or more of the F inputs are inactive O the related F output is disconnectedfrom its normal output condition it floats The input that controls or g...

Page 52: ...d re spectively An active transition at the I input causes the counter to increment one count upward or downward depending on the input atan up downcontrol OUTPUT I Selector control block These symbols are used with an array of OR symbols to provide a point of placement for selection S or gating G lines The selection lines enable the input designated 0 I n of each OR function by means of a binary ...

Page 53: ...r Notice that mu means shift the contents to the right or down by m units And mu means shift the contents to theleft or up by m units Note If m l it may be omitted Inputs a and b areeachsingle ICpins that have two functions lnput a enables one of the inputs to the top D type flip flop ID and also shifts the register contentsdown one unit Input b enables one of the inputs to the bottom flip flop 2D...

Page 54: ...TURE is another 8 37 the front panel SELF TEST switch operation is described in Section Ill of this manual 8 38 Troubleshooting Flowchart 8 39 Figure 8 7 the troubleshooting flowchart may be used to locate a faulty component A suggested sequence for troubleshooting is a Perform the Operator s Self Test see in Section Ill b If the 5004A does not pass the OperatorsSelf test perform the steps givenin...

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Page 56: ...leshootingSignatures Major Test Points I 1 I Signature Test point I Location Test point numbers are shown on the schematic diagram for the 5004A NORMAL I SERVICE U24 U6 10 Figure 8 7 Troubleshooting Flowchart 8 11 I N I I 1 1 1 1 1 1 r J ...

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Page 59: ... near the GND pin off set slightly 3 Carefully pull the red window off the probe tip 4 Slide the two half covers carefully off the probe printed circuit board NOTE The two body shells interlock to cover the printed circuit board 5 Reverse the preceding steps to reassemble the data probe 8 48 Gating Signals Pod Disassembly and Reassembly 8 49 To disassemble the gating signals pod use the following ...

Page 60: ...der driver translates the signature to a special form hexadecimal number which is applied to the display Each succeeding signature is compared with the preceding signature in the signature comparator which will activate the UNSTABLE SIGNATURE lamp if two suc ceeding signatures are different The R E S E T function for the entire 5004A is part of the DATA probe R E S E T is activated by a switch lab...

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Page 62: ...5004A and compatible instruments Refer to the para graph titled Signature Analysis in Section I for an explanation of signature analysis 8 70 Schematic Diagram 8 71 The 5004A schematic diagram is presented with the four inputs on the left side and the flow of signals is generally from the left to the right side where the output indicators are pre sented Outputs are four digits seven segment LED S ...

Page 63: ...to the INITIAL state All modes except HOLD have no change conditions For example in the ARMED state if the START line remains at 0 the 5004A will not change to RLIN With proper START STOP and CLOCK signals the gate control proceeds through the states repetitively The gate control circuit output starts and stops the word generator and provides the on off control of the GATE lamp to show when the ST...

Page 64: ...analysis method A shift register with some outputs fed back is used to generate apseudo randomword signature output Input data goes through U6 to shift register U21 From U21 13 the data goes to U24 1and 2 input One output from U21 pin12 and three outputs from U24 pins 3 6 and 13 are fed back to the U6 inputs to combine with the input data and modify the resultant output of the shift registers The ...

Page 65: ...ront panel swiched self test circuit includes U27 U25 U29 and U17 The four bit counters U27 and U25 are cycled by a signal from the self test oscillator U28 through U26 Outputs of U27 and U26 address memory U29 which supplies START and STOP signals in the self test mode All possible states of the gate control circuit are exercised in each self test cycle to check proper operation Self test signals...

Page 66: ... aid provided No measurement aid provided 4 A direct conducting connection to the earth or a conducting connection to a structure that has a similar function e g the frame of an air sea or land vehicle A A conducting connection to a chassis or frame Common connections All like designated points are connected A 7 A Indicates mukiple paths represented by only one line Letters or names identify indiv...

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