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Summary of Contents for 16520a

Page 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Page 2: ...HP 16520A 16521A PATTERN GENERATION MODULE Service Manual Flin HEWLETT e II PACKARD Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...r Expansion Card COPYRIGHT HEWLETT PACKARD COMPANY COLORADO DIVISION 1987 1900 GARDEN OF THE GODS ROAD COLORADO SPRINGS COLORADO U S A Manual Part No 16520 90901 Microfiche Part No 16520 90801 ALL RIGHTS RESERVED PRINTED SEPTEMBER 1987 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...e with an instrument will execute its programming instructions when properly installed on that instrument HP does not warrant that the operation of the instrument or software or firmware will be uninterrupted or error free LIMITATION OF WARRANTY The foregoing warranty shall not apply to defects resulting from improper or inadequate maintenance by Buyer buyer supplied software or interfacing unauth...

Page 5: ...t circuited fuseholders To do so could cause a shock or fire hazard o Do not operate the Instrument in the presence of flammable gasses or fumes Operation of any electrical Instrument In such an environment constitutes a definite safety hazard o Do not Install substitute parts or perform any unauthorized modification to the Instrument o Adjustments described In the manual are performed with power ...

Page 6: ... 2 3 Preparation For Use 2 1 2 4 Power Requirements 2 1 2 5 Safety Requirements 2 1 2 6 Probe Cable Replacement 2 1 2 7 Installation 2 1 2 8 Module Installation 2 2 2 9 Adding Expansion Cards 2 8 2 10 Operating Environment 2 10 2 11 Storage 2 10 2 12 Packaging 2 10 2 13 Tagging For Service 2 10 III PERFORMANCE TESTS 3 1 3 1 Introduction 3 1 3 2 Recommended Test Equipment 3 1 3 3 Test Record 3 1 3 ...

Page 7: ...able Parts List 5 1 5 4 Exchange Assemblies 5 1 5 5 Ordering Information 5 1 5 6 Direct Mail order System 5 2 VI SERViCE 6 1 6 1 Introduction 6 1 6 2 Safety Requirements 6 1 6 3 Recommended Test Equipment 6 1 6 4 Module Block Diagram and Theory Of Operation 6 1 6 5 Pattern Generator Master Card Theory of Operation 6 3 6 6 Expansion Card Theory Of Operation 6 4 6 7 Self Tests 6 5 6 8 Troubleshootin...

Page 8: ...verlap 0 2 9 2 11 Configuration Guide 0 2 9 3 1 Data Period Accuracy Test Equipment Hookup 3 2 3 2 Startup Screen 3 3 3 3 Clock Field 0 0 0 3 3 3 4 Clock Period Screen 3 4 3 5 Channel Assignment Field 0 3 4 3 6 Data Channel Select 0 0 3 4 3 7 Program Field 0 0 0 3 5 3 8 Numeric Entry 0 0 0 00 3 5 3 9 Insert New Program Line o 0 3 5 3 10 Program Field 0 0 0 0 0 0 0 3 6 3 11 Numeric Entry 0 0 0 0 0 ...

Page 9: ...rn Generator Master Card Block Diagram 6 2 6 3 Expansion Card Block Diagram 6 2 6 4 Startup Screen 6 5 6 5 Load Test System 6 6 6 6 Test System Screen 6 6 6 7 Main Test Menu 6 7 6 8 Clock Rate Test Run Screen 6 7 6 9 Stop Field 6 8 6 10 Exit Test System 6 8 6 11 Troubleshooting Flow Chart 6 10 6 12 Endplate Overhang 6 32 6 13 Cable End 6 33 6 14 Cable Position 6 33 6 15 Endplate Overhang 6 34 6 16...

Page 10: ...3 Safety Requirements 1 1 1 4 Product Description 1 2 1 5 Accessories Supplied 1 2 1 6 Accessories Available 1 2 1 7 Specifications 1 2 1 8 Operating Characteristics 1 2 1 9 Recommended Test Equipment 1 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 11: ...HP 16520 21 A General Information SECTION I GENERAL INFORMATION To complete the service documentation for your system place this service manual in the 3 ring binder with your Logic Analysis System Mainframe Service Manual 1 2 MODULES COVERED BY THIS MANUAL The information covered in this manual is for the HP 16520A 16521 A Pattern Generator Module If either of the two cards in the module have chan...

Page 12: ...ne unless shown otherwise HP 16520A 1 2 Operating and Programming Manual Set Service Manual lead Set Qty 2 HP 10347A purple tip Input Qualifier Probe Kit HP 16520 69501 grey tip Intercard Connecting Cable Kit HP 16521 88701 Input Qualifier Probe Cable HP 16520 61601 8 Channel Data Probe Cable HP 16520 61602 Clock Probe Cable HP 16520 61603 HP 16521A 8 Channel Data Probe Cables HP 16520 61602 Qty 6...

Page 13: ...ow time STROBES HP 16520A ONLY Number of Strobes 3 Eel or TTL Bits Channel 4095 Maximum Bit Rate 20 MBit s 50 ns Period Edge Placement 10MBits s tenths of period 10 MBits s to 20 MBits s fifths of Period DELAY WIDTH PERIOD Minimum delay is 0 10 0 5 maximum delay is 9 10 4 5 data period Minimum width is 1 10 1 5 of data period maximum width is the data period values in parentheses apply to 20 MBits...

Page 14: ... 2 7V VOL steady state 1 55V 0 6V Risetime 2 3 ns 2 5 ns Falltime typ 0 98 V to 1 55 V 0 6 V to 2 7 Channel to 5 ns 5 ns channel Skew same card Channel to channel Skew 10 ns 10 ns card to card V No of std loads 3 10 KH ECl 3 lSTTl Vnl 2S0 Vnh IS0 mY mY Output measurements made into a load consisting of 10 kn in series shunted with 10 pF to ground Skew measured at 1 6 V TTL and 1 3 V Eel levels 1 4...

Page 15: ... Per Channel 4095 4095 Maximum Bit Rate 50 MBit s NRZ 50 MBit s NRZ 20 ns Period 20 ns Period INPUT HP 16520A only Maximum Input Voltage 40V Input Impedance 100 kn 8 pF External Clock in to Clock out delay 50 ns PARAMETER ECl TTL Vih min O 91V 2 08V Vil max 1 69V 1 12V 1 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 16: ...EPEAT Repeats vector up to 256 times WAIT 1MB Wait for intermodule trigger WAIT EXTERNAL SIGNAL 1MB MACRO Wait for user defined 3 bit pattern on external input pod to become true No data cycle latency when pattern is true between 30 ns and 0 ns before next clock edge Arms other measurement cards Four different macros may be defined and inserted as needed Six character labels may be defined for eac...

Page 17: ...o 65 degrees C 32 degrees to 149 degrees F Humidity Instrument up to 95 relative humidity at 40 degrees C 104 degrees F Altitude To 4600 m 15 000 ft Vibration Operation Random vibration 5 500 Hz 10 minutes per axis 0 3 9 rms Non operating Random vibration 5 500 Hz 10 minutes per axis 2 41 9 rms and swept sine resonant search 5 500 Hz 0 75 9 O peak 5 minute resonant dwell 4 resonances per axis 1 7 ...

Page 18: ...pter Qty 2 HP 1250 1032 P 50 Ohm Feedthru Qty 1 HP 10100C P Probe Lead Set Qty 2 HP 10347A P Grabbers Qty 4 HP 6969 0288 P Pulse 100 KHz Repetition Rate Generator Overshoot 5 of Amp HP B161A P Extender Board No Substitute HP 16500 69004 A T BNC Cable m to m 9 inch Qty2 HP 10502A P P Performance Tests A Adjustments T Troubleshooting 1 8 Artisan Technology Group Quality Instrumentation Guaranteed 88...

Page 19: ...1 2 5 Safety Requirements 2 1 2 6 Probe Cable Installation 2 1 2 7 Installation 2 1 2 8 Module Installation 2 2 2 9 Adding Expansion Cards 2 8 2 10 Operating Environment 2 10 2 11 Storage 2 10 2 12 Packaging 2 10 2 13 Tagging For Service 2 10 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 20: ...g this module HP 16520 21 A Installation SECTION 11 INSTALLATION 2 4 POWER REQUIREMENTS All power supplies required for operating the HP 16520 21 A Pattern Generator Module are supplied to the module through the backplane connenctor 2 5 SAFETY REQUIREMENTS Specific warnings cautions and instructions are placed wherever applicable throughout the manual These must be observed during all phases of op...

Page 21: ...s prevent proper installation they must be repositioned in the card cage See figure 2 1 To maintain the channel to channel skew and adequate intercard signal quality the short est intercard connecting cable should be used and the expansion cards should be no more than two slots away from the master card See figure 2 1 Figure 2 1 is a guide in choosing the correct intercard connecting cable and ill...

Page 22: ...ay See figure 2 2 All multi card modules will be cabled together Care should be taken to pull these cards out together TOP CARD J1 NEXT LCNlEST 12 lu ID11 Figure 2 2 Endplate Overlap d If the module consists of one master card this card can be installed in any available slot If the module consists of multiple cards use figure 2 1 and figures 2 3 through 2 6 to plan your card configuration 2 3 Arti...

Page 23: ... Figure 2 3 One Master and One Expansion Card I Q IDo m I CD r I I P 4 1 Ie oc l1o oc J o 1 E3 I Q lID I D r oc J o oe l1 o li reI EJ n11 I Q o D lID I I li Ic EJ ijiI USE THIS CABLE Figure 2 4 One Master and Two Expansion Cards 2 4 USE THIS CABLE Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 24: ...I CD oc J1o oc J1o USE THIS CABLE Figure 2 5 One Master and Three Expansion Cards I QJ o lID I CD r 1 I r c Iil 1 oc t J1o 0 oe l1o E3 USE THIS CABLE Figure 2 6 One Master and Four Expansion Cards 2 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 25: ... Cable Position g Slide card approximately half way into lowest slot that you are using for this installation h Slide next card half way into next highest slot feeding the intercard connecting cable up through the hole i Insert appropriate connector into second card j If there are more cards to install repeat steps h through i until all cards are in place 2 6 Artisan Technology Group Quality Instr...

Page 26: ...t for all cards and filler panels in a bottom to top order See figure 2 9 NEXT HIGHEST BOTTOM CARD Figure 2 9 Endplate Overlap 11AD1D1 m Any filler panels that are not used should be kept for future use Filler panels must be instal led in all unused card slots for correct air circulation 2 7 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 27: ...onfiguration If previously installed modules prevent proper installation they must be repositioned in the card cage See figure 2 11 To maintain the channel to channel skew and adequate intercard signal quality the short est intercard connecting cable should be used and the expansion cards should be no more than two slots away from the master card See figure 2 11 PROCEDURE a Turr instrument power s...

Page 28: ... select the proper intercard connecting cable MASTER AND EXPANSION CARD ORIENTATION MASTER At N SL OT EXPANSIONLJ EXPANSION MASTERLJ TER c TER EXPANSIONc EXPANSION At N TWO ADJACENT SLOTS At r THREE ADJACENT SLOTS SLOT SELECTION EXPANSION EXPANSION EXPANSION MASTER MASTER EXPANSION EXPANSION EXPANSION ANY FOUR ADJACENT SLOTS Figure 2 11 Configuration Guide ALL SLOTS 16520 EX07 g Go to step e of th...

Page 29: ...e protected from temperature extremes which cause condensa tion on the module 2 10 2 12 PACKAGING Follow these general instructions for repacking the module with commercially available materials Wrap module in anti static plastic Use a strong shipping container A double wall carton made of 350 lb test material is adequate Use a layer of shock absorbing material 70 to 100 mm 3 to 4 inch thick aroun...

Page 30: ...mmended Test Equipment 3 1 3 3 Test Record 3 1 3 4 Performance Test Interval 3 1 3 5 Performance Test Procedures 3 1 3 6 Data Period Accuracy Test 3 2 3 7 Duty Cycle Test 3 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 31: ...TESTS all of the tested specifications and their ac ceptable limits The results recorded in the test record may be used for comparison in periodic maintenance and troubleshooting or after repairs and adjustments have been made 3 4 PERFORMANCE TEST INTERVAL Periodic performance verification of the HP 16520 21 A Pattern Generator Module is required at two year intervals The in strument s performance...

Page 32: ...test clock ranges For bes t results terminate in o 10 kQ 10 pF PROCEDURE a Connect data output channel 0 and the corresponding ground from a selected output data cable to the oscilloscope as shown in figure 3 1 The output cables can be inter nally connected for either TTL or EeL DATA CABLE D OSCILLOSCOPE INPUT ADAPTER DATA CHANNEL Figure 3 1 Data Period Accuracy Test Equipment Hookup b Apply power...

Page 33: ...R 50 Mbit s 6 PATTERN GENERATOR EXPANDER C Controller D RS 232C E Printer Figure 3 2 Startup Screen d In the Format screen touch Clock field and set to Internal as shown in figure 3 3 Pat tern Gen A Format E Run ITTLnpu t r _ _ Symbols PO ij S P d A3 P d A2 P d 65 Pod 65 Pod 64 l J ht ht DE ACHED DETACHED DETACHED Pol 2 0 3 0 7 0 7 0 7 0 7 0 Figure 3 3 Clock Field 3 3 Artisan Technology Group Qual...

Page 34: ... _____ Strobes Symbols Pod A3 Pod A2 Pod B6 Pod B5 Pod B TTL TTL DETACHED DETACHED DETACHED Pol 2 0 3 0 7 0 7 0 7 0 7 0 STROBE tE G DATA I I I I I I Off Figure 3 5 Channel Assignment Field g Select data output channel 0 as shown in figure 3 6 Touch Done Pe t tern Gen A Formet Run 1 c i j c hr d1 Strobes SymbO IS aD Pod 65 Pod 64 g g C LE A R DONE Off Figure 3 6 Data Channel Select h Touch Format t...

Page 35: ... 1 0 _ TART QFb k RAMI No OF P M B Figure 3 7 Program Field 2 Touch 1 as shown in figure 3 8 then touch Done Run Instr Autoroll EJ Figure 3 8 Numeric Entry 3 Touch Insert as shown in figure 3 9 Listing Instr STROBE u TART OF RAM c D I 0 c E J No OF M Figure 3 9 Insert New Program Line 3 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 36: ...n touch Done Pettern Gen A Listing Ins tr STROBE _ Figure 3 11 Numeric Entry Run 6 Repeat steps 1 through 5 until there is a short program starting with a one 1 and en ding with a zero 0 See figure 3 12 Pettern Gen A Listing Run Ins tr STROBE START Or PROGRAM B 0 01 Merge u 00 01 00 I cb END bF Figure 3 12 Example Program Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE ww...

Page 37: ...Listing then touch Format o Touch Period p Change period to 20 ns q Touch Run then drag finger to Repetitive r Using the oscilloscope measure pulse period at 50 point on waveform s Pulse high time and low time should each measure between 18 6 ns and 21 4 ns t Touch Stop Note This test arbitrarily selects data channel 0 on one of the data output cables If desired other output channels and cables ma...

Page 38: ...ternal clock circuits will respond to the minimum high and low times of the user supplied clock For best results terminate into 10 kn 10 pF PROCEDURE a Connect test equipment as shown in figure 3 14 D OSCILLOSCOPE INPUT GROUND CLOCK INPUT Figure 3 14 Duty Cycle Test Equipment Hookup b Apply power to the 16500A and wait for system bootup PULSE GENERATOR OUTPUT BNC ADAPTER c Set pulse generator for ...

Page 39: ...tup Screen e Touch Input field to set input level to TIL as shown in figure 3 16 Pe t tern Gen A Formet Run _ Clack Interne _ _r Symbols r I Od Pod A3 Pod A2 Pod 66 PoC 65 Pod 6 1 TTL TTL DETACHED DETACHED DETACHED Pol 2 0 3 0 7 0 7 0 7 0 7 0 Figure 3 16 Set TTL Level f Touch Clock field and set to External as shown in figure 3 17 P t tern Gen A Formet Run I t _ r Od P A3 P A2 D C D D C D Pol 2 03...

Page 40: ...rmet E2J Run SymbolS POd A3 Pod A2 Pod B6 Pod B5 Pod B I Lebe I TTL TTL DETACHED DETACHED DETACHED Pol 2 0 3 0 7 0 7 0 7 0 7 0 STROBE I tE ggg DATA I Figure 3 19 Channel Assignment Field i Select data output 0 as shown in figure 3 20 Touch Done Pe t tern Gen A Lebel STROBE DATA Of f Formet E2J Run Symbol S aD Pod B5 Pod B I g g C LE A RJ DONE g g Figure 3 20 Data Output Select j Touch Format then ...

Page 41: ...3 22 Figure 3 22 Run Repetitive Mode m Set oscilloscope timebase to display a pulse stream n Look for a 25 MHz square wave pulse stream with approximatly 20 ns low times and 20 ns high times See figure 3 23 The presence of a consistent pulse stream verifys the ex ternal clock circuits are working 2ena 2ena t H1GH LON I I 141 4ena I Figure 3 23 25 MHz Square Wave o Touch Stop 3 11 Artisan Technolog...

Page 42: ...d Board No Recommended Calibration Interval 24 Months Paragraph Test Results No Minimum 196 us 3 5 Data Period Accuracy 200 us Maximum 204 us Actual Minimum 18 6 ns Data Period Accuracy 20 ns Maximum 21 4 ns Actual 3 6 Duty Cycle Is pulse stream visible Yes No 3 12 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 43: ...nterval 4 1 4 3 Safety Requirements 4 1 4 4 Recommended Test Equipment 4 1 4 5 Extender Board Installation 4 1 4 6 Instrument Warmup 4 4 4 7 Adjustment And Calibration Check 4 4 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 44: ... not necessary If adjustments are necessary refer to the safety summary at the front of this manual HP 16520 21A Adjustments SECTION IV ADJUSTMENTS 4 3 SAFETY REQUIREMENTS Specific warnings cautions and instructions are placed wherever applicable throughout the manual These must be observed during all phases of operation service and repair of the module Failure to comply with them violates safety ...

Page 45: ...he HP 16520A Card PROCEDURE a Turn instrument power switch off unplug power cord and disconnect any input or out put connections b Starting from the top loosen thumb screws on filler panel s and card s c Starting from the top begin pulling card s and filler panel s out half way See figure 2 1 All multi card modules will be cabled together Care should be taken to pull these cards out together TOP C...

Page 46: ...install the extender board f Slide extender board completely into card cage making sure it is firmly seated in backplane connecter g Plug HP 16520A Card into extender board See figure 4 2 1 0 Q o I CD lID r Figure 4 2 Extender Board and Module 4 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 47: ...d adjustment If after referring to paragraph 3 4 PERFORMANCE TEST INTERVAL the reference voltage is suspected as a problem perform the following procedure DESCRIPTION This procedure will check and adjust the 5 Volt reference for the D A converter EQUIPMENT Multimeter HP 3468A PROCEDURE a Connect the positive lead from the multimeter to TP1 and the negative lead to TP2 For the location of the test ...

Page 48: ... in order 1 System 2 Pattern Gen If multiple HP 16520A cards pick the one to be adjusted 3 Format 4 Listing System configuretlOn I a LJ 1r t W Pr inter Figure 4 4 Startup Screen e Touch Delete See figure 4 5 Pettern Gen A Listing Run Ins tr STROBE START OF PROGRAM EJ 0 01 Merge 00 01 00 I db END OF Figure 4 5 Delete Field 4 5 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURC...

Page 49: ...efined See figure 4 7 Set level to 9 9 Volts then touch Done Pettern Gen A Formet Run Symbol s Figure 4 7 User Defined Field i Touch Clock to set clock source to internal See figure 4 8 Pet tern Gen A Formet E Run I _ Strobes Symbols G 1J POd A3 Pod A2 Pod B6 Pod B5 Pod B4 ICLebeiJ I TTL TTL DETACHED DETACHED DETACHED Pol 2 0 3 0 7 0 7 0 7 0 7 0 STROBE I lE E2B DATA I I Figure 4 8 Internal Clock 4...

Page 50: ...ection Note After you have started the pattern generator the Run field will change to Stop then very quickly change back to Run This is the point the measurement is taken I Read the voltage displayed m With a non metallic adjustment tool adjust the variable resistor R5 until the multimeter reads 0 99 Volts 0 001 V n Set user defined level to 9 9 Volts and touch Run 4 7 Artisan Technology Group Qua...

Page 51: ...unplug power cable and disconnect all test equipment q Remove the HP 16520A Card from the extender board r At this point in the procedure if you have multiple HP 16520A Cards to adjust plug in the next HP 16520A card and repeat steps a through q s If you have completed the adjustment on the HP 16520A Card s remove extender board t To reinstall the pattern generator module go to steps d through m o...

Page 52: ...duction 5 1 5 2 Abbreviations 5 1 5 3 Replaceable Parts List 5 1 5 4 Exchange Assemblies 5 1 5 5 Ordering Information 5 1 5 6 Direct Mail order System 5 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 53: ...ACEABLE PARTS d Description of part e Check digit The total quantity for each part is only given once at the first appearance of the part num ber in the list 5 4 EXCHANGE ASSEMBLIES Exchange assemblies are available when a repairable assembly is returned to Hewlett Packard These assemblies have been set up on the Blue stripe Exchange program This allows the customer to exchange the faul ty assembl...

Page 54: ...il order there is a minimum order for parts ordered through local Hewlett Packard offices when orders require billing and invoicing c Prepaid transportation there Is a small handling charge for each order d No invoices to provide these ad vantages check or money order must acco T1pany each order Mall order forms and specific ordering informa tion are available through your local Hewlett Packard of...

Page 55: ...kwise HG mercury OPAMP operational amplifier STD standard CER ceramic HGT height OSC oscillator SYNCHRO synchronous CFM cubic feet minute HLCl helical P plastic TA tantalum CH choke HORIZ horizontal P O part of TBAX tubeaxial CHAM Chamfered HP Hewlett Packard PC printed circuit TC temp erature coefficient CHAN channel HP IB Hewlett Packard PCB printed circuit board TO time delay CHAR character Int...

Page 56: ...62102 1 1 LEAD SET PURPLE 10347A 0515 0430 3 3 MSPH M3 6 SMS10 0515 0665 6 4 M3 X 14 PH T10 0510 0684 9 2 RETAINING RING 16500 29101 6 1 GROUND SPRING 16520 94305 1 1 PATT GEN LABEL 1650Q 41201 3 3 RIBBON CABLE 10 CUP 595 291 9 1 SERIAL TAG HP 16521A 16520 61602 3 6 8 CHANNEL DATA CABLE 1650Q 41201 3 6 RIBBON CABLE 10 CUP 16521 88701 1 1 INTERCARD CONNECT CABLE KIT 051 HJ430 3 3 MSPH M3 6 SMS10 05...

Page 57: ...lock Diagram and Theory of Operation 6 1 6 5 Pattern Generator Theory of Operation 6 3 6 6 Expansion Card Theory of Operation 6 4 6 7 Self Tests 6 5 6 8 Troubleshooting 6 9 6 9 Card Replacement 6 32 6 10 Probe Cable Replacement 6 35 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 58: ... may be sub stituted for the recommended models 6 4 MODULE BLOCK DIAGRAM AND THEORY OF OPERATION The following paragraphs contain block level theory of operation This theory is not intended for component level troubleshooting rather it is to be used to help isolate a module failure to card level For component level troubleshooting the HP 16520 21 A Service Data Supplement is required This suppleme...

Page 59: ...rator Expansion Card is a 48 channel expander that extends the data channel width of the pattern gener ator master card The pattern generator ex pansion card has only program data RAM 4k deep DATA AND STROBE OUTPUTS t INSTRUCTION LATCH AND DECODE 11111D1P CIII OUTPUTS INTERCARD CONNECT CABLE Figure 6 2 Pattern Generator Master Block Diagram RAM UEMORY A INTERFACE BUS AND DATA CHANNELS t CONTROL t ...

Page 60: ...n the pattern generator and is the primary clock source in the pattern generator module The minor clock is used to generate strobe channel timing and is typically a higher frequency than the system master The pre master clock is a slightly advanced version of the master clock and is used whenever setup time is necessary in the pattern generator module HP 16520 21 A Service The program counter is 1...

Page 61: ...n formation may stop the program counter with the WAIT EXT instruction until the input qualification conditions are met Inputs can be TTL ECL or user defined between 9 9 and 9 9 volts The repeat instruction counter is eight bits wide The user may repeat a strobe data pat tern up to 256 times 6 4 6 6 EXPANSION CARD THEORY OF OPERATION Interface And Control The interface and control circuitry enable...

Page 62: ... may require the installation of the extender board to iso late a specific card or cable The effects of ELECTROSTATIC DISCHARGE can damage electronic com ponents Grounded wrlststraps and mats should be used when you perform any kind of service to this instrument or the cards in it SELF TEST ACCESS PROCEDURE a Disconnect all inputs and turn power switch on b From the startup screen shown in figure ...

Page 63: ...t System d From test screen in figure 6 6 touch Test System then touch Pattern Gen If multiple pattern generator modules select the one to be tested 6 6 Test System Cant 1gure t1 on Cerds A B C o PATTERN GENERATOR MASTER 50 MHz E PATTERN GENERATOR EXPANDER 50 MHz I III Figure 6 6 Test System Screen Controller RS 232C LJ Printer Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU...

Page 64: ...gger Test stctus UNTESTED stctus UNTESTED HAlT EXT Test All Pattern Gen Tests stctus UNTESTED status UNTESTED Requires Test Connections Figure 6 7 Main Test Menu f Touch Clock Rate Test g An individual test run screen see figure 6 8 will give the test name a brief description of the test number of test runs and the number of test failures Pattern Gen D ClOCk Rcte Test runs o Run failures o This te...

Page 65: ...quires Test Connections Figure 6 9 Stop Field k To exit the self tests touch the following fields in the numbered sequence below 1 Pattern Gen 2 Test System 3 Configuration 4 Exit Test I Touch the box to Exit Test System See figure 6 10 Test System Exit Test To UcII to I t to Ex ItTE t 5 Ys t erll Figure 6 10 Exit Test System 6 8 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Page 66: ...c tion is required BNC Loopback Test This test verifies the ability of the pattern generator master card to both trigger and receive a signal from the BNC PORT IN and BNC PORT OUT on the microprocessor board Data Loopback Test This test checks the data path of a single data pod for signal continuity and proper function of the buffers and other assorted circuitry An external connection is required ...

Page 67: ...SEE NOTE 2 GO TO TROUBLESHOOTING SHEET 3 GO TO MAINFRAME TROUBLESHOOTING NOTE 1 PATTERN GEN TESTS 1 THROUGH 5 MAY BE RUN INDIVIDUALLY OR USE RUN ALL GO TO TROUBLESHOOTING SHEET 7 NOTE 2 PATTERN GEN SELF TEST 6 REQUIRES AN EXTERNAL CONNECTION REFER TO TROUBLESHOOTING SHEET 19 FOR EXTERNAL CONNECTION INFORMATION GO TO TROUBLESHOOTING SHEET 9 Figure 6 11 Troubleshooting Flow Chart Artisan Technology ...

Page 68: ...12 NOTE 4 PATTERN GEN SELF TEST 8 REQUIRES AN EXTERNAL CONNECTION SELECT ONE POD TO TEST USING TROUBLESHOOTING SHEET 22 FOR EXTERNAL CONNECTION INFORMATION AND POD IDENTIFICATION CONNECT THE APPROPRIATE POD THEN RUN THE TEST GO TO TROUBLESHOOTING SHEET 13 NOTE 5 PATTERN GEN SELF TEST 9 REQUIRES AN EXTERNAL CONNECTION USE TROUBLESHOOTING SHEET 22 AS A REFERENCE GO TO TROUBLESHOOTING SHEET 18 GO TO ...

Page 69: ...FRAME TEST 7 INTERMODULE TEST TURN OFF PONER AND RESET PATTERN GEN CARDS 115201T803 GO TO TROUBLESHOOTING SHEET 4 GO TO TROUBLESHOOTING SHEET 5 HARDWARE lO S PATTERN GEN MASTER 21 PATTERN GEN EXPANSION 22 Figure 6 11 Troubleshooting Flow Chart cont 6 12 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 70: ...NG SHEET 6 GO TO TROUBLESHOOTING SHEET 1 NOTE 7 IF POSSIBLE SWAP WITH A CARD THAT HAS A GOOD 10 MOVE MASTER CARD IF NEEDED REPLACE MOTHERBOARD GO TO TROUBLESHOOTING SHEET 1 115201T804 Figure 6 11 Troubleshooting Flow Chart cont 6 13 t 0 g CD r 1 1 en I 8 t t t Z C en I 1 1 1 1 t Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 71: ...Troubleshooting Sheet 5 FROM TROUBLESHOOTING SHEET 3 CHECK INTERCARD CABLE FOR CONTINUITY YES REPLACE CABLE Figure 6 11 Troubleshooting Flow Chart cont GO TO TROUBLESHOOTING SHEET 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 72: ...ATTERN GEN MASTER CARD TO ANOTHER CARD SLOT REPLACE MOTHERBOARD GO TO TROUBLESHOOTING SHEET 1 Figure 6 11 Troubleshooting Flow Chart cont 6 15 I tJ o c OJ r JTI en I 8 I Z C en I JTI JTI I 0 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 73: ... MASTER TO ONE EXPANSION CARD GO TO TROUBLESHOOTING SHEET 8 GO TO TROUBLESHOOTING SHEET 1 REPLACE PATTERN GEN MASTER CARD REPLACE CABLE GO TO TROUBLESHOOTING SHEET 1 Figure 6 11 Troubleshooting Flow Chart cont Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 74: ...N MASTER CARD IN ANOTHER CARD SLOT GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 1 116201T8OI Figure 6 11 Troubleshooting Flow Chart cont 6 17 t 0 o c CD r rr1 en I 8 t Z i en I rr1 rr1 t Q Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 75: ...INSTRUCTED GO TO TROUBLESHOOTING SHEET 10 PUT PATTERN GEN MASTER CARD ON EXTENDER BOARD NOTE 8 REFER TO PARAGRAPH 4 5 EXTENDER BOARD INSTALLATION SEE NOTE 8 NOTE 9 REFER TO TROUBLESHOOTING SHEET 21 FOR COMPONENTS AND PIN NUMBERS TO PROBE GO TO TROUBLESHOOTING SHEET 10 Figure 6 11 Troubleshooting Flow Chart cont 6 18 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www arti...

Page 76: ...SPECIFIED LOCATION ON THE MASTERCARD SEE NOTE 10 GO TO U OF TROUBLESHOOTING SHEET 11 AND RETURN IF INSTRUCTED REPLACE INPUT POD AND CABLE 1111Z01T810 NOTE 10 REFER TO PARAGRAPH 6 10 PROBE CABLE REPLACEMENT FOR CABLE CONNECTION PROCEDURE GO TO TROUBLESHOOTING SHEET 1 Figure 6 11 Troubleshooting Flow Chart cont 6 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisa...

Page 77: ...WN GOOD DATA POD GO TO TROUBLESHOOTING SHEET 1 NOTE 11 REFER TO TROUBLESHOOTING SHEET 20 FOR LIST OF OUTPUT CABLE LINES WITH ACTIVITY USE SCOPE TO CHECK OUTPUT FOR ACTIVITY SEE NOTE 11 GO TO TROUBLESHOOTING SHEET 1 1UZ01TS11 Figure 6 11 Troubleshooting Flow Chart cont Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 78: ...ERIFY THE CPU PORTS NO GO TO TROUBLESHOOTING SHEET 8 ARE CONNECTED USING A GOOD BNC CABLE GO TO TROUBLESHOOTING SHEET 1 Figure 6 11 Troubleshooting Flow Chart cont 6 21 I AJ o c CD r en r 8 I Z C en r I N Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 79: ... INSTRUCTED REPLACE THIS PATTERN GEN CARD GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 10 GO TO TROUBLESHOOTING SHEET 14 GO TO TROUBLESHOOTING SHEET 15 GO TO TROUBLESHOOTING SHEET 16 GO TO TROUBLESHOOTING SHEET 17 18520 1 813 Figure 6 11 Troubleshooting Flow Chart cont Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 80: ...ONNECTOR GO TO U ON TROUBLESHOOTING SHEET 11 AND RETURN IF INSTRUCTED REPLACE SUSPECT PATTERN GEN MASTER CARD GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 2 1e5201TS14 Figure 6 11 Troubleshooting Flow Chart cont 6 23 I 0 o c m r 1 1 C I 8 I Z Ci C I 1 1 1 1 I Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 81: ... GO TO TROUBLESHOOTING SHEET 16 GO TO U ON ROUBLESHOOTING SHEET 11 AND RETURN IF INSTRUCTED FROM TROUBLESHOOTING SHEET 17 GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 1 1U20 T815 Figure 6 11 Troubleshooting Flow Chart cont Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 82: ... DIFFERENT CARD SLOT DO NOT CONNECT ANY EXPANSION CARDS GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 9 1 11 Figure 6 11 Troubleshooting Flow Chart cont HP 16520 21 A Service 6 25 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 83: ...ER CARD AND SUSPECT EXPANSION CARD TO OTHER CARD SLOTS GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 16 GO TO TROUBLESHOOTING SHEET 15 11U01T1I17 Figure 6 11 Troubleshooting Flow Chart cont Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 84: ...ION CARDS UNTIL BAD CARD IS FOUND SEE NOTE 12 GO TO TROUBLESHOOTING SHEET 1 GO TO TROUBLESHOOTING SHEET 9 1162011 811 NOTE 12 DURING CARD SWAP LOOK FOR POSSIBLE MOTHER BOARD PROBLEMS OR INTERCARD CONNECTING CABLE PROBLEMS Figure 6 11 Troubleshooting Flow Chart cont 6 27 I tJ o C at r m en I z C en I m m I Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 85: ... 10 III WAIT f iiii II I 111 1 I 1 1 I II 84nm 0 033 in DIA 115201EX22 External Connection For Test 6 Use the figure above as a guide for the external connection required in test 6 t INPUT UALIFIER Q STROBE DATA POD CONNECTS TO INPUT QUALIFIER POD GND TO GND STROBE 2 TO TEST 4 STROBE 1 TO TEST 5 STROBE 3 TO TEST 6 6 28 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www a...

Page 86: ...ty For Test 8 and 9 You should see activity at Eel or TTL levels on Strobe Data Pod elK Data 0 Data 1 Data 2 Data 3 Data Pod GND 0000000000 0000000000 STROBE I DATA I o 1111 2103210 GND 1 0000000000 0000000000 I DATA i 111 76543210 OSCILLOSCOPE D SCOPE PROBE INPUT o OSCILLOSCOPE D SCOPE PROBE INPUT HP 16520 21 A Service Data 0 Data 1 Data 2 Data 3 Data 4 Data 5 Data 6 Data 7 t 185201EX23 6 29 f 0 ...

Page 87: ...vity at Eel levels should be present on pins Pin 26 Pin 13 Pin 4 185201EX24 If no activity on U28 probe RP6 next RP6 is an alternative point Activity may be checked at either RP6 or U28 Pin 7 Pin 6 Pin 5 Eel l 1 75V H 0 9V TTL l 0 8V H 2 0V 6 30 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 88: ...03210 INPUT QUALIFIER USER FURNISHED 66mm 0 026 in DIA TO 84mm 0 033 in DIA 1 0 1 OUTPUT POD TYPES CONNECTION GUIDE 152OJtX2 PURPLE TIP GREY TIP Pod Identification and External Connections For Test 8 and 9 Depending on output pod type being connected follow the appropriate connection scheme STROBE DATA OR DATA POD CONNECTS TO INPUT QUALIFIER POD GND OR GND TO GND DATA 0 OR DATA 0 TO TEST 0 DATA 1 ...

Page 89: ...n the channel to channel skew and adequate intercard signal quality the short est intercard connecting cable should be used and the expansion cards should be no more than two slots away from the master card PROCEDURE a Turn instrument power switch off unplug power cord and disconnect any input or out put connections b Starting from the top loosen thumb screws on filler panel s and card s c Startin...

Page 90: ...N to Plan your configuration h Insert correct end of appropriate cable into connector on bottom card of configuration See figure 6 13 i Lay cable flat and pointing out to the rear of card See figure 6 14 CABLE KEY ON SAME SIDE Figure 6 13 Cable End Figure 6 14 Cable Position j Slide card approximately half way into lowest of slots that you are using k Slide next card half way into next highest slo...

Page 91: ...r all cards and filler panels in a bottom to top order See figure 6 15 NEXT HIGHEST BOTTOM CARD Figure 6 15 Endplate Overlap 1111Q1DtI p Any filler panels that are not used should be kept for future use Filler panels must be instal led in all unused card slots for correct air circulation 6 34 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 92: ...y input or output connections b Starting from the top loosen thumb screws on all filler panel s and card s c Starting from the top begin pulling all filler panel s and card s out half way See figure 6 16 All multi card modules will be cabled together Care should be taken to pull these cards out together TOP CARD Q1 NEXT LC7NEST 12 t Figure 6 16 Endplate Overhang d Pull HP 16520 21A Module to be se...

Page 93: ...ear of card See figure 6 17 Figure 6 17 Card On Antistatic Mat f Using a No 10 torx f driver remove four screws that hold cable retainer onto card See fig re 6 18 Figure 6 18 Retainer And Screws 6 36 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 94: ... cable s See figure 6 19 Figure 6 19 Card Connectors h Install cable retainer i At this point go to step d of paragraph 2 8 MODULE INSTALLATION and continue instal lation of cards 6 37 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 95: ...16520 90901 Flifl l HEWLETT PACKARD PRINTED IN U S A Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 96: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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