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SERVICE MANUAL

1. uev enar e EN EE CHEER M VM NEL 2 1 9sT Cable vistos dei Opes 2 2 2 8 USer interface TT DR 2 4 2 92 The TOUCDSCIOBD EE POR ape ei Va bes baud 2 4 25102 The Front Panel KNOD kr e I e E TR PARRA Y 2 4 2511 The HP MOUS oie re cae seeded REED ARI 2 4 2 12 HP IB Interfacing Racine prac bie a ue Ca V 2 5 2 13 HP IB Address Selection 2 5 2 14 HP IB AdUress 20965 2 7 2 15 Interface Reo e Ue d Ra Ed gamete cue 2 8 2 16 RS 232 C Interface dioe el VE 2 8 2 17 Baud Rate Selection PREX RA De DON cR es wi Mate Me RR 2 10 2 18 Degaussing the Display 2 12 2219 Operating Environment 555 lt lt vagi A E E M A 2 12 2 20 Storage and Shipment 2 12 2 21 PACKAGING sewed nici dd das E naa orbs CC RDUM VE MERE EAR EP Mua 2 12 2 22 Tagging 34525 PESE DUE Sa ana adr ee 2 12 2 1 INTRODUCTION This section explains how to install the HP Model 16500A Logic Analysis System inspect it prepare it for use store and ship it 2 2 SAFETY CONSIDERATIONS The safety symbols used with Hewlett Packard instruments are illustrated
2. 1 3 1 2 Recommended Test Equipment 1 edie ois san rr aeta dar o NR Ee EE 1 6 es Address Settings Pe erar se eee erdt ni 2 7 2 2 Model 16500A HP IB Functions er E tr n 2 8 2 3 AS 292 C Signal Definitions nter medina hd nno Rea Yan 2 9 5 1 Reference Designators and Abbreviations 5 3 5 2 ReplaceaDiG PallS coelos ker s ie pa We pur 5 5 6 1 Replaceable Assemblies 555 ek est E ve dese 6 29 LIST OF ILLUSTRATIONS Figure Title _ Page 1 1 Model 16500A Dimensional Detail 1 5 2 1 Line Voltage Selection ENEMIES 2 2 2 2 Power Cord Configurations ve ossa es qepute reste eto dard Ms 2 3 2 3 16500A User Interface Devices 2 4 2 4 Interface Connector sone 2 5 2 5 System Configuration Menu CER NEUEN QUO EN NAI E CRT E CU HUN d 2 6 2 6 HP IB Configuration Menu os eyes IRE RP PESCE AA 2 6 2 7 Configuration with Keypad 2 7 2 8 System Configuration with optional Mouse 2 10 2 9 RS 232 C Configuration Menu
3. 2 10 2 10 Baud Rate Pop Up 59585555555 2 11 4 1 System Configuration Menu 4 2 4 2 Accessing the TT 4 2 4 3 Loading the Test System e E E EIE SERE 4 3 4 4 Test System Configuration i e ous seeker dente des 4 3 4 5 Selecting Mainframe Test Menu 4 4 4 6 Maintrame Test Menu scissa tva Se hance ne Ee a ud dades vex exXVERE AE E UE 4 4 4 7 Selecting the Test Patterns Ub eme 4 5 4 9 4 10 4 11 4 12 4 13 4 14 4 15 4 16 4 17 4 18 4 19 4 20 4 21 4 22 4 23 4 24 10 m HP 16500A Table of Contents LIST OF ILLUSTRATIONS Exiting the Mainframe Test System 4 5 Exiting the iso ess e eo 4 6 System Configuration seesi cu Fo 4 6 CRT Module Adjustment Flow 4 8 FIN AMP Adjustment sansa diesen attest o CREER UR ARA V AN PER AME wine 4 9 Bottom Rail Removal ad a yaks 4 10 dee d e
4. ca 16500 01206 16500 01207 16500 04101 16500 04701 16500 23101 A cA CARDGUIDE INSIDE i 16500 23102 TOUCHSCREEN BEZEL 16500 42201 CONTROL KNOB 16500 42502 INSULATOR FRONT PANEL BOARD 16500 45401 POWER SUPPLY COVER REAR PANEL 16500 61202 SIDE TRIM FRONT 5001 0441 FRAME FRONT 5021 5807 FRAME REAR 5021 5808 STRUT CORNER 5021 5837 FEET FRONT 5040 7201 16500 23102 16500 42201 16500 42502 16500 45401 16500 61202 5001 0441 5021 5807 5021 5808 5021 5837 5040 7201 FEET REAR 54110 40502 TOP TRIM STRIP 5040 7202 FEET REAR BOTTOM 5040 7222 HANDLE CAP 5041 6819 HANDLE CAP 5041 6820 HANDLE 5060 9804 LEFT SIDE COVER 5060 9947 RIGHT SIDE COVER 5061 9522 BOTTOM COVER 5061 9447 COLOR MODULE BRACKET REAR 54110 01210 COLOR MODULE SUPPORT REAR 54110 04702 RFI ROUND STRIP STL MSH SIL RBR SN PL 8160 0551 54110 40502 5040 7202 5040 7222 5041 6819 5041 6820 5060 9804 5060 9947 5061 9522 5061 9447 54110 01210 2 2 2 Mh cA 54110 04702 8160 0551 gt NANU Onn ahr MISCELLANEOUS ACCESSORY POUCH FILLER PANEL 5 7 TABLE OF CONTENTS SERVICE 651 IntroducllODn oec o rp rr ea EAE 6 1 6 2 Safety Considerallons ko teeee ses 6 1 6 3 Service Test Equipment Required 6 1 5 4 The
5. OPTIONAL MOUSE KNOB FRONT MOTHER BOARD MODULE ADDRESS MODULE DATA BREUI AM wwe CARDS HORIZONTAL SYNC COOLING VERTICAL SYNC RED GREEN BLUE POWER SUPPLY Figure 6 1 HP 16500A System Overview 6 5 System Overview The HP 16500 is the mainframe for the Logic Analysis System and contains all the necessary components for interfacing with the optional acquisition and stimulus boards The mainframe components are Microprocessor Board Motherboard Front and Rear Disc Drives Color Module Front Panel Board Power Supply The microprocessor board contains all the in terface circuitry for managing dataflow be tween the mainframe components and the op tional boards The processor used is a Motorola 68000 amp Located on the motherboard is the inter module bus and the fan speed control circuit The motherboard consists of seven card slots five are used for the optional acquisition and stimulus boards one for the microprocessor board and one for the power supply The only active components on the mother board are for the fan speed control circuit The heat sensing thermistor for the fan speed con trol circuit is located on the microprocessor board The front and rear disc drives use 3 5 inch double sided double density discs the disc drive control circuitry is located on the micro processor board
6. AND RATING CAUTION PROPER COOLING INSTALL FILLER PANEL 1165008 405023 IN OPEN SLOTS CAUTION OFF TO CHANGE MDOULES FUSE 135 10A 250V B30V 54 250 55 16500 40502 Figure 2 1 Line Voltage Selection 2 2 HP 16500 Installation Figure 2 2 Power Cord Configurations PLUG TYPE CABLE PLUG DESCRIPTION LENGTH COLOR COUNTRY PART NO IN CM OPT 250V 900 OPT 901 250V OPT 250V 903 125V 904 250V OPT 905 250V B 250V GIA i SK OPT 906 8120 1351 8120 1703 8120 1369 8120 0696 8120 1689 8120 1692 8120 2857 8120 1378 8120 1521 8120 1992 8120 0698 8120 1396 8120 1625 8120 2104 8120 2296 8120 2956 8120 2957 8120 4600 8120 4211 8120 4753 8120 4754 Straight BS1363A 90 Straight 255198 5 90 Straight CEE7 Y11 90 Straight Shielded Straight NEMA5 15P 90 Straight Medical UL544 Straight NEMA6 15P CEE22 V1 System Cabinet Use 250 Straight 5 1011 1959 24507 12 90 Straight DHCK107 90 Straight SABS164 90 Straight Miti 90 90 228 90 228 79 200 87 221 79 200 79 200 79 200 90 228 90 228 96 244 90 228 30 76 96 244 79 200 79 200 79 200 79 200 79 200 79 200 90 230 90 230 Gray Mint Gray Gray Mint Gray Mint Gray Mint Gray Coco Brown Jad
7. RAE EE ee Ae RR 2 10 2 18 Degaussing the Display tea 2 12 2 19 Operating Environment REM E CE EAE E stems PESO AE 2 12 2 20 Storage and Shipment 2 12 2 21 PACKAGING Vr E NER orn Eres S baa aA cod Md pc 2 12 2 22 Tagging for Service xa ee dne 2 12 PERFORMANCE TESTIS n E PE Qe DIM she 3 1 351 Introduction 5555595 ee bei wide ed e E TUA 3 1 16500A Table of Contents TABLE OF CONTENTS IV ADJUSTMENTS 4 1 4 9 4 3 4 4 4 5 Face Arc oa eiut uela DAE RU qiu dud d dat 4 1 Degaussirig the DISDldy 4 1 Safety Considerations s c vod i ea 4 1 Adjustment Test Patterns 4 2 Color Module Adjustment AERE RARE A VE VET P 4 7 V REPLACEABLE PARTS 9 1 5 2 5 3 5 4 5 5 9 6 Ur 5 1 AbbreviallOns decise tex exa tme deu ihres 5 1 Replaceable Parts 5 1 Exchange Assemblies TE EUM AEN ERRARE 9 1 Ordering Intermallon EAS NE 5 1 Direct Mail Order System E cow Saves oes 5 2 SERVIC
8. 6 26 RS 232 C Troubleshooting Flow 6 27 Intermodule Troubleshooting Flow Chart 6 28 Replaceable Assembly Identification 6 29 Power Supply Hear Panel eid vane Di OU ER Vv venen 6 30 Power Supply Mounting Scews and Display Power Cable 6 31 Power Supply Connector Alignment 6 31 Power Supply Rail Alignment dits rer texere pas 6 32 Microprocessor Cable Location 6 33 Microprocessor Board Mounting Screws 6 33 Power Supply and Microprocessor Hardware Identification 6 35 Microprocessor Board 6 36 Mother Board Removal 282880 282 ved da e ed ex ERE RES 6 36 Front Panel Cable RernoVal e ea Ra ees 6 37 Front Panel Mounting Screws Identification 6 37 Front Panel Board Hardware Indentification 6 38 Front Panel Mounting Screws Identification 6 39 Module Bracket Mounting Hardware 6 40 Center Board Guide Hardware 6 4
9. Chonnel i 1 000 Volte div 2 250 Volti Timebose 10 0 us div Daloy 0 60000 16500 8 14 RED J5 21 BLUE 95 PIN 37 25 0000 ue 0 00000 25 0000 us 25 0000 ue 0 00000 e 25 0000 us ux x ffeet 788 0 Volt 11 200 0 mVolte div Of feet 794 0 200 0 Beier D 65608 Timebase e 5 00 vs div Deloy 0 00000 25 0000 D 00000 25 0000 vs 788 lt D mVolte 00000 hamnel 1 200 0 mVolta div f feet imebosa 5 00 ue div y Figure 6 20 Checking for Color Module Signals CHECKING THE CPU TO COLOR MODULE CABLE Remove power fr m instrument and reconnect cable to CPU board at J5 Disconnect cable at color module end Apply power to the instrument Probe same pin numbers on the cable for the signals as above Return to color module troubleshooting flow chart Doc um ove 6 20 HP 16500 Service SYSTEM BOOT TROUBLESHOOTING CHART TO MAIN TROUBLESHOOTING FLOW CHART DOES SYSTEM MODULES amp SOFTWARE OPTIONS LOAD REPLACE CPU BOARD INSTALL DISC IN OTHER DISC DRIVE REBOOT THE SYSTEM DO SYSTEM MODULE amp SOFTWARE OPTIONS LOAD REPLACE THE DEFECTIVE DISC DRIVE REPLACE SOFTWARE AND BOOT DO SYSTEM MODULE amp SOFTWARE OPTIONS LOAD o lt o m 2
10. The main components of the disc drive inter face are the drive controller and the digital separator The controller provides the interface between the microprocessor and the two disc drives It also performs all functions necessary to write or read data to and from the discs Data between the microprocessor and disc drives are serialized by the drive controller The function of the digital separator is to syncronize data between the interface and disc drives The module interface provides microprocessor access to the acquisition and stimulus boards that are plugged into the mainframe The intermodule bus monitor provides the _ means for time aligning module trace data screen This function is performed by a 100 MHz acquisition device operating in the transi tional timing mode 6 5 HP 16500 Service 6 7 POWER UP TEST The HP 16500A power up tests check the mainframe circuitry only None of the option modules are tested at power up The tests run every time power is applied to the instrument If a disc is not installed into a disc drive the advisory no disc is added to the Rear and Front Disc Tests If the operating disc is not installed and the mainframe passes the power up tests the message SYSTEM DISC NOT FOUND is displayed To boot the system install the system disc into either disc drive and cycle power The power up tests perform the following cir cuit checks ROM TEST The
11. female flip fiop efoam from afront gain bandwidth product full wave afixed generator ground ed general purpose graticule groove henries high zhardware hardened mercury sheight helical shorizontal Hewlett Packard zHewlett Packard interface Bus hour s shigh voltage Hertz winput output integrated circuit inside diameter sinch minclude s INCAND incandescent INP sinput INTEN sintensity INTL internal INV sinverter JFET junction field effect transistor JKT jacket K kilo 103 L slow LB pound LCH alatch light emitting diode slong slithium slock alockwasher slow power Schottky slow voltage mega 10 megohms meter distance machine maximum MFR MICPROC MINTR MISC MLD MM MTG MTLC MUX MW N NC NMOS NPN NPRN NRFR NSR NUM OBD OCTL OD OP AMP manufacturer inicroprocessor miniature miscellaneous molded millimeter metal oxide mounting metailic multiplexer smilliwatt 10 9 no connection metal oxide semiconductor negative positive negative snot recommended for field replacement separately replaceable numeric by description octal outside diameter operational amplifier soscillator plastic part of printed circuit printed circuit board power dissipation picofards plug in plate
12. Figure 6 32 Power Supply Connector Alignment 6 31 HP 16500A Service FRONT OF Lu INSTRUMENT CARD CAGE RAIL GUIDE POWER SUPPLY POWER SUPPLY DECK MOUNTING SCREW Figure 6 33 Power Supply Rail Alignment i Reinstall power supply hardware power supply rear panel and display module power cable Complete installation by attaching all covers 6 32 HP 16500 Service 6 12 MICROPROCESSOR BOARD REPLACEMENT a Remove power cord and all modules from mainframe b Remove bottom cover Disconnect the two microprocessor cables Note that the front cable is connected to the rear disc drive and the other cable is connected to the display module see figure 6 34 CPU TO COLOR MODULE CABLE REAR OF INSTRUMENT CPU TO DISC DRIVE CABLE DISCONNECT CPU CABLE HERE Figure 6 34 Microprocessor Cable Location c With a Torx T 10 driver remove the two rear panel mounting screws see figure 6 35 CPU MOUNTING SCREWS Figure 6 38 Microprocessor Board Mounting Screws 6 33 HP 16500 Service 6 34 Carefully slide the board out of the mainframe Reverse the above procedure to install the new board Attach the disc drive cable to the front connector and the display module cable to the rear connector Ensure that the heat sensor immediatly to the front of the disc drive connector is not damaged or moved Return instrument to normal configuration by installing all modules and attach bottom cover H
13. HP 16500A Adjustments Focus Adjustment NOTE Geometry adjustments must be performed before making focus ad justment Remove rear and side fan Refer to Section VI paragraph 6 12 for removal procedure From the Display Test menu of the Mainframe Test system select the white cross hatch test pattern Adjust FOCUS RV701 located on rear PC board for best overall focus Landing and Convergence Adjustment Preparation 1 4 12 From the Display Test menu select a white raster pattern and check for color purity Repeat the procedure using the Red Green and Blue raster patterns and check for color purity If color purity is correct do not perform the Landing adjustment Remove power from instrument and loosen deflection yoke clamp screw Remove deflection yoke spacers by moving deflection yoke rearward and removing spacers NOTE The deflection yoke spacers are tapered rubber blocks located be tween front of yoke and rear of CRT funnel Apply power and allow instrument to thermally restabilize for 20 minutes Exercise caution when moving purity magnets Power is apllied to the instrument and high voltages are present around the CRT HP 16500 Adjustments Landing Adjustment 1 From the Display Test menu select the white raster full screen display 2 Turn front panel BRIGHTNESS Control to maximum 3 Degausse entire CRT screen by pressing DEGAUSSING switch located on instrument s rear panel NOTE _ In cas
14. P IB Test Color 015 Test status FAILED 160105 UNTESTED DO NO FRONT REAR DISC DRIVE TESTS PASS TO DISC DRIVER TROUBLESHOOTING FLOW CHART YES RS 232C Test status PASSED HIL Test 11 System Tests stetus PASSED status TESTED GO TO SYSTEM BOOT TROUBLESHOOTING FLOW CHART Figure 6 18 Main Troubleshooting Flow Chart 6 17 2 5 8 HP 16500 Service IS SCREEN COMPLETELY BLANK YES ARE COOLING FANS RUNNING REMOVE TOP COVER AND CHECK POWER SUPPLY LEDS PAGE 6 25 IS POWER SUPPLY OK YES 120V LED ON AT POWER SUPPPLY YES PROBE J5 OF CPU FOR VIDEO SIGNALS REFER TO PAGE 6 20 6 18 SEE POWER SUPPLY CHECK e TROUBLESHOOTING FLOW CHART NO TO SYSTEM BOOT TROUBLESHOOTING FLOW CHART NO ADJUST FRONT PANEL BRIGHTNESS AND BACKGROUND CONTROLS NOTE CHECK THE FOLLOWING AC ON LED OVER VOLTAGE LED OVER CURRENT LED OVER TEMP LED TO POWER SUPPLY CHECK 120V CABLE TO COLOR MODULE FOR CONTINUITY IS THERE ANY CHANGE IN DISPLAY REMOVE BOTTOM COVER AND CHECK FRONT PANEL CABLES ARE CABLES OK NO CONNECT REPAIR OR REPLACE CABLES CABLE REPLACE POWER SUPPLY 10500 18082 Figure 6 19 Color Module Troubleshooting Flow Chart COLOR MODULE TROUBLESHOOTING FLOW CHART YES
15. HP 16500 Service POWER CABLE TO COLOR MODULE 120 DC LED IF ON 120V DC is PRESENT 6 23 HP 16500 Service PROCEDURE FOR CHECKING POWER SUPPLIES SHORTED TO GROUND 1 Remove Power from instrument 2 Using a DVM measure the resistance to ground of each power supply Use the figure below for power supply pin assignments Power Supply Pin Assignments 5V 1 5 5 Remote Sense 6 3 5 7 10 12V 11 12V 12 GND 14 20 GND Remote Sense 21 Power Valid 22 3 25 Remote Sense 23 3 25V 24 30 5 2V Current Limit slr 5 2V Remote Sense 32 5 2V 33 37 Remote on off 38 120V Accessable at the color module power connector PIN 1 FRONT OF INSTRUMENT PIN 38 Figure 6 24 Checking Power Supply Resistance to Ground 6 24 RON Test stetus PASSED m Test PASSED RAI status 18 Test PASSED MI stotus RS 232C Test status PASSED WIL Test stetus FAILED DOES HIL CONTROLLER TEST PASS YES DOES FRONT PANEL TEST PASS DOES TOUCH SCREEN TEST PASS All System Tests stotus TESTED TROUBLESHOOTING FLOW CHART sc Test 01 status PASSED Intermodu status Pi e Test ASSED Color Dispiey Test stetus UNTESTED NO REPLACE CPU BPARD IS FRONT PANEL CABLE CONNECTED NO REPLACE FRONT PANEL BOARD Figure 6 25 HIL Troub
16. HP 16500A Service The display is an eight plane color system Each plane has a resolution of 576 pixels by 368 lines The display is non interlacing and is refreshed every 1 60 of a second not syncronized to the AC line The horizontal and vertical sync signals are generated by the CRT controller located on the microprocessor board Color information for the display is generated on the microprocessor board The display RAM and the color palette are also lo cated on the microprocessor board The front panel board is based on the Hewlett Packard Human Interface Link HP HIL and consists of the touchscreen sys tem the front panel control knob and the op mouse of the touchscreen and knob circuitry of the HP HIL is located on the front panel board and the controller for the link is located on the microprocessor board The power supply provides the following regu lated voltages 120 12 0 Vdc 5 0 Vdc 3 5 Vdc 3 25 Vdc 5 2 Vdc 12 0 Vdc The 120 0 V supply is used only by the color module Current limiting overvoltage protec tion and thermal shutdown are provided for all supplies 6 3 HP 16500 Service M TO FRONT PANEL BOARD TO CONNECTOR INT RRUPT CONTROL RESET CONTROL lt DATA BUS MICRO PROCESSOR MC68000 PERIPHERAL DM
17. In a later step when the module is correctly positioned the hardware will be tightened Reconnect the microprocessor cable the power cable and the front panel control cable Installing the Replacement Module 6 42 Carefully slide the display module into the mainframe Ensure that the module mounting bracket ears clear the center board guide hardware Bolt the display module to the frame starling with the four corner screws two on the top casting and two on the bottom casting Do not tighten screws Attach front tabs of board cage guide to front frame Reinstall front panel assembly starting with the corner mounting screws Ensure proper seat ing of front panel assembly before installing hardware Leave srews loose Add the rest of the front panel screws and do nol tighten CAUTION To prevent damage to the front panel or the knob support the instru ment as described in the next step and as shown in figure 6 47 HP 16500 Service v Set the instrument on its front panel and elevated it by a 3 4 inch support on the right and the left side of the front panel see figure 6 47 oa xu 3 4 INCH MINIMUM Ew Figure 6 47 Final Positioning of Front Panel and Color Module w Ensure that display module is properly seated against the front panel assembly Tighten the four display module mounting screws in the front frame Attach the rear module mounting bracket to the sid
18. Using an average piece of white photocopy paper compare the white on the CRT to the paper Repeat steps 1 3 and 6 10 until satisified with white balance Reinstall cooling fans Refer to Section VI paragraph 6 12 for installation procedure TABLE OF CONTENTS REPLACEABLE PARTS 5 1 9 2 5 3 5 4 5 5 5 6 ela eI 5 1 Abbreviations usus eva we e da EM E 5 1 Heplaceable Parts LISU os aw RR AARON ERI E RT Onde DE E 5 1 Exchange Assembles uoce er ha e xe S dig ae Pe pra Pees 5 1 Ordering E ERE ERREUR EUER 5 1 Direct Mail Order System dis 5 2 5 1 INTRODUCTION This section contains information for ordering parts Table 5 1 lists abbreviations used in the parts list table 5 2 lists all replaceable parts in reference designator order 5 2 ABBREVIATIONS Table 5 1 lists abbreviations used in the parts list and throughout the manual In some cases two forms of the abbreviations are used one all in capital letters and one partial or no capi tals This occurs because the abbreviations in the parts list are always all capitals However in other parts of the manual other abbreviation forms are used with both lower and uppercase letters 5 3 REPLACEABLE PARTS LIST Table 5 2 is the list of replaceable parts and is organized as follows a Electrical assembl
19. Identification Overlay the new board over the front panel Study figure 6 41 and nole the number associated with each mounting screw Install and tighten screws in the same numbered sequence as shown in figure 6 41 and explained in the following steps Install a screw at number 1 and leave loose Install screws at number 2 and 3 and thighten Install screws at number 5 and 6 When tightening hardware at number 5 and 6 apply just enough finger pressure so that the board conforms with the curvature of the CRT bezel Install screws at number 4 and number 7 and follow the same procedure as in step k Realign the board shield over the assembly Align front panel assembly with the instruments casting Install front panel mounting hardware starting with the four corners of the frame Complete the procedure by reinstalling all modules and covers HP 16500A Service 6 15 COLOR MODULE REPLACEMENT The display module replacement procedure consists of three sections 1 Removing the module from the mainframe 2 Preparing the module for installation 3 Installing the new module in the mainframe Removing the Module from Mainframe a Remove power cord and stand instrument on its right side as viewed from the back of the instrument b Remove top and bottom covers Disconnect the two cables from the front panel board c With a Torx T 15 driver remove the four boltom front panel mounting screws as shown in figure 6 42 Repeat the procedu
20. Intermodule Test The Intermodule Test checks the functions of the mainframe s intermodule arm trigger circuits Also displayed on the test screen are the option board card identifications 6 15 HP 16500 Service 6 9 TROUBLESHOOTING This paragraph contains troubleshooting in formation for the HP 16500A mainframe Troubleshooting an instrument failure to the assembly level may be accomplished using the troubleshooting flow charts provided in this paragraph The charts are organized into the Main the Color Module the Power Supply and the System Boot toubleshooting flow charts A chart for each of the tests of the Mainframe Test system is also provided c COPYRIGHT 1987 HEWLETT PACKARD COMPANY PERFORMING POWER UP SELF TESTS passed ROM Test passed RAM Test passed Interrupt Test passed Display Test passed HIL Controller Test passed Front Panel Test passed Touchscreen Test passed Rear Disc Test passed Front Disc Test Test Results LOADING SYSTEM FILE LOADING MODULE FILE LOADING SOFTWARE OPTIONS If the instrument passes all power up tests see figure 6 17 the power supply color module and portions of the microprocessor board are working correctly The remainder of the tests and troubleshooting flow charts are used to check the mainframe peripheral inter faces on the microprocessor board Only a voltmeter a system disc a second formated disc and the RS 232 C loop back connector are required to
21. NO TO MAIN TROUBLESHOOTING FLOW CHART CONNECT REPAIR OR REPLACE POWER CABLE HP 16500A Service COLOR MODULE TROUBLESHOOTING FLOW CHART CONTINUED TO MAIN TROUBLESHOOTING FLOW CHART ARE ALL VIDEO SIGNALS PRESENT AT CPU 2 NO REPLACE CPU BOARD YES PROBE FOR VIDEO SIGNALS AT THE END OF CPU TO COLOR MODULE CABLE ARE VIDEO SIGNALS NO REPLACE PRESENT AT CABLE CABLE YES REPLACE COLOR MODULE 16500 T803 a c m m B 6 19 HP 16500A Service CHECKING FOR THE COLOR MODULE SIGNALS Disconnect power from instrument Disconnect CPU to Color Module cable at the CPU board end Load operating system into one disc drive and apply power Allow enough time for the operating system to load Probe J5 pins 3 and 7 of the CPU board for the horizontal and vertical sync signals Probe J5 pins 21 29 anc 37 of the CPU board for red green and blue display data Return to color module troubleshooting flow chart HORIZONTAL SYNC 45 PIN 3 0 00000 e 25 0000 25 0000 Chonnal 1 1 000 Vol 4 imeboee 2 500 Offeet 2 190 volte o orometera Period 16 5004 me aloy 0 00000 VERTICAL SYNC J5 PIN 7 750 0000 us 0 00000 50 0000 ve 1
22. Operating Characteristics ETE TERR ETE 1 2 1 8 Recommended Test Equipment 1 6 INSTALLATION Uv Maced PESCE Ns 2 1 2215 iari 2 1 2 2 Safety ConsiderallOnis o sess iere 2 1 2 2 initia Inspeellon Co vae E Re REFERO PX Or een tude 2 1 2 4 Operating Disc Installation OPER code 255 POWSP Requirements 5 Ru AT DISCS 2 1 2 6 LING Voltage Selection sas e eh Pre rU ent ee 2 1 2 7 Cable o seva Ness Mexx EM 2 2 2 B User Interlace CU ERN S iu Va tU aE s M a 2 4 2 9 TNE TOUCHSCICEM SERE HUE CE D ES 2 4 2 10 The Front Panel Knob oos ee eee UAR AN EE 2 4 The HPAMOUSR 2 IS 2 4 2 12 Interfacing e ORO RE EE CIR EDU e RE RA RESORT QUEE CREDIS 2 5 2 13 HP IB Address Selection err aer ER ee ERIT aae Ere e eL PLN Ave 2 5 2 14 HP IB Address Codes 2 7 2 15 HP IB Interface Functions ha x RE Tene visae e ea sas 2 8 2 16 R9 232 C Ifitertac8 voco ooa Er Uv unu E LEE E E cok NUS EAM a RE RENE E Red 2 8 2 17 Baud Rate Selection
23. POWER SUPPLY REAR PANEL d 6 30 Remove Power Cord top cover and left side cover as viewed from the rear of the instrument Remove front disc drive and disc drive bottom bracket Leave the disc drive and bracket in one assembly Leave disc drive assembly connected to the cable and set it aside Refer to paragraph 6 12 for instruction on front disc removal Using Torx T 8 driver remove power supply rear panel see figure 6 30 POWER SUPPLY REAR PANEL HARDWARE Figure 6 30 Power Supply Rear Panel Disconnect display module power cable reler to figure 6 31 HP 16500 Service With a Torx T 15 driver remove power supply mounting Screws 4 screws POWER CONNECTOR TO MOTHER BOARD COLOR MODULE POWER CABLE pt FUE VoU 3 190 uer 50 45 UR um INPUT V0 4 0 AMPS entere 32 POWER SUPPLY MOUNTING SCREWS Figure 6 31 Power Supply Mounting Screws and Display Power Cable Gently pull power supply towards the mainframe rear panel until it disconnects from front connector Carefully lift the front end of the power supply and guide it oul of the mainframe Reverse the above procedure to install the new power supply Ensure that the front connector and rail guides are properly aligned before pushing the power supply into place see figure 6 32 and 6 33 ALIGN CONNECTORS PROPERLY BEFORE SEATING POWER SUPPLY REAR OF INSTRUMENT
24. R B 8 R B R R B R B APRI L1 L2 2 13 M6411000 Figure 4 23 H AMP Adjustment 6 Adjust H TILT RV806 located on bottom PC board for coincidence of red green and blue at right and left sides of screen see figure 4 24 M5411010 Figure 4 24 H TILT Adjustment HP 16500 Adjustments White Balance 1 10 11 12 4 20 From the Display Test menu select a blank colorless raster NOTE Any text on screen will not affect this adjustment Set front panel BACKGROUND and SUB BRT RV901 located on bottom PC board to mechanical center Set front panel BRIGHTNESS and SUB CONT RV902 located on bottom PC board to mechanical center Set G DRIVE RV921 B DRIVE RV931 and R DRIVE RV911 located on bottom PC board to mechanical center Set G BKG RV721 B BKG RV731 and R BKG RV711 located on rear PC board fully counterclockwise CCW Adjust SCREEN RV702 located on rear PC board until either a red green or blue raster just starts to become visible Note which color becomes visible first and do not adjust background contro BKG for that color in the next step Adjust other two backgound BKG controls for best white balance From the Display Test menu select the white raster test pattern Set front panel BRIGHTNESS control to maximum Observe screen and adjust DRIVE controls RV921 RV931 and RV911 located on bottom PC board for best white balance NOTE
25. Touch the System To change the baud rate perform the follow field to obtain the System Configuration ing instructions menu see figure 2 8 Controller RS 232C Printer Figure 2 8 System Configuration with optional Mouse 2 Touch the RS 232C field in the lower right corner of the screen to call up the RS 232C configuration menu see figure 2 9 2 10 RS 232C Configuration RS 232C Connected to Printer Baud Rate 9600 Parity Stop Bits Protocol Xon Xoff Print width Pege length Cu Figure 2 9 RS 232C Configuration Menu HP 16500 Installation 3 Touch the Baud Rate field and select the 4 When the RS 232C configuration is correct required rate see figure 2 10 Make any touch the Done field and the System other changes to the system configuration Configuration screen will be redisplayed i e Parity Printer Protocol etc while you are in this menu Baud Rate Stop Bits Figure 2 10 Baud Rate Pop up Menu HP 16500 Installation 2 18 DEGAUSSING THE DISPLAY After the instrument has been used for awhile the CRT may become magnetized and color or other display data may become distorted To correct press the Degauss button on the power supply rear panel several times If the instrument has been subjected to strong magnetic fields it may be necessary to degauss the CRT with a conventional external television type degaussing coil 2 19 OPERA
26. control panel with cardboard e Seal shipping container securely Mark shipping container FRAGILE to en sure careful handling e n any correspondence refer to instrument by model number and full serial number 2 22 TAGGING FOR SERVICE If the instrument is to be shipped to a Hewlett Packard office for service or repair at tach a tag showing owner with address complete instrument serial number and a de scription of the service required PERFORMANCE TESTS 3 1 Introduction TABLE OF CONTENTS 96 3 1 INTRODUCTION This section normally contains the perfor mance verification tests Since there are no specifications for the mainframe to test there are no performance tests HP 16500 Performance Tests SECTION PERFORMANCE TESTS 3 1 TABLE OF CONTENTS ADJUSTMENTS 451 o ec dct 4 1 2 2 DEGAUSSING the 5 era Mean tee a Redde 4 1 4 3 Safety Consideraloris sees Ee Sra PE A NUN CUR EV S MC p 4 1 4 4 Adjustment Test Patterns bp y arca ECL ROBA 4 2 4 5 Color Module Adjustments 4 7 4 1 INTRODUCTION The HP Model 16500 requires no ad
27. failure 0 0 This test checks the system mainframe ROM The test computes checksum for the end comperes it to e known stored value Figure 6 11 ROM Test Screen 16500 Service c Touch the Run field and slide youre finger downward on screen to Single Repetitive or the Cancel field and lift youre finger off the screen The test sequence is not started if the Cancel field is selected see figure 6 12 Mainframe Test ROM Test Repetiti This test checks the system meinf The test computes a checksum for end compares it to known sto Cancel Figure 6 12 Choosing the Single or Repetitive Mode In the Single mode the test is only done once In the Repetitive mode the test repeats itself until the Stop or Done field is touched The test results are also shown on this screen The run column contains the number of times the test has been performed and the failures column contains the number of times the test has failed see figure 6 13 The run fail count is reset to zero when the Done field is selected Mainframe Test ROM Test runs failures 1143 0 This test checks the system mainframe The test computes 8 checksum for the ROM end compares it to a known stored value Figure 6 13 ROM Test in the Repetitive Mode with Test Results d To exit the ROM Test touch the Done field and the Mainframe Test menu is redisplayed The test status will have c
28. m 8 E 4 REPLACE CPU BOARD Figure 6 21 System Boot Troubleshooting Flow Chart 6 21 2 8 2 tn 2 a gt 0 2 0 HP 16500 Service POWER SUPPLY TROUBLESHOOTING FLOW CHART FROM COLOR MODULE TROUBLESHOOTING FLOW CHART TO MAIN TROUBLESHOOTING FLOW CHART CHECK PRIMARY POWER REPLACE POWER SUPPLY NO ARE THERE ANY SHORTS FOUND CHECK OUTPUTS OF POWER SUPPLY FOR SHORTS SEE PAGE 6 24 IS OVER CURRENT LED ON FIX SHORTS IS OVER VOLTAGE LED ON REPLACE POWER SUPPLY NO REMOVE POWER IS AND OVER Pd LED LET POWER SUPPLY COOL FOR 30 MIN REAPPLY POWER IS OVER TEMP LED ON REPLACE POWER SUPPLY 16500 7884 Figure 6 22 Power Supply Troubleshooting flow Chart 6 22 1 Apply power to the instrument and check for the following indicalions The 4120V supply is checked later in the color module troubleshooting flow chart a Is the AC LED on b Is the Over Temp Over Current or Over Voltage LED POWER SUPPLY CHECK 2 Return to the power supply troubleshoollng flow chart OVER TEMP LED IF ON POWER SUPPLY IS SHUT DOWN OVER CURRENT LED IF ON POWER SUPPLY IS SHUT DOWN OVER VOLTAGE LED IF ON POWER SUPPLY IS SHUT DOWN AC IS PRESENT WHEN AC LED IS ON Figure 6 23 Power Supply Check
29. on its face CRT side down disconnect the flat microprocessor cable the power cable and the front panel control cable Note the location of the cables k Remove rear mounting bracket with a Torx T 15 driver see figure 6 45 REAR MOUNTING BRACKET FRONT MOUNTING BRACKETS Figure 6 45 Color Module Rear and Front Mounting Bracket l Set module on its rear panel CRT facing up With a 5 16 inch nut driver remove the front mounting brackets from the old module Reinstall the four bracket nuts on the old module m Set the replacement module on its rear panel and remove the four bracket nuts with 5 16 inch nut driver n Install both mounting brackets on the front of the new module The upper bracket is identified by the notch in one ear Set display module on its boltom side with rear panel facing you Attach rear mounting brac ket to the module Use the two thread forming screws see figure 6 46 Do not tighten to more than 18 in Ibs or you will damage the module frame 6 41 HP 16500 Service REAR MOUNTING BRACKET SELF THREAD FORMING SCREWS 2X INSTALL HARDWARE IN THIS SEQUENCE THE SCREW FLAT WASHER AND RUBBER WASHER Figure 6 46 Color Module Rear Mounting Bracket Assembly E Attach the frame mounting bracket to the rear module mounting bracket see figure 6 45 Install hardware in the following sequence srew flat washer rubber washer Leave the brac ket hardware loose
30. outside the instrument or disconnecting the protective earth terminal will cause a potential shock hazard that could result in personal Injury o Whenever it is likely that the protection has been impalred the instrument must be made inoperative and be secured against any unintended operation oOnly fuses with the required rated current voltage and specified type normal blow time delay etc should be used Do not use repaired fuses or short 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 supplied to the instrument while protective covers are removed Energy avallable at many points may if contacted result in personal injury oAny adjustment maintenance and repair of the opened Instrument under voltage should be avoided as much as possible and when inevitable should be carried out only by a skilled person who Is aware of the hazard involved o Capacitors inside the instrument may still be charged even the Instrument has been disconnected from its source of supply SAFETY SYMBOLS Instruction manual symbol The product will be marked with this symbol when it Is ne
31. where you wish to send a command Use The following table lists the address codes and the ASCII address characters to direct talk lis the address characters used to direct talk and ten activities and the character to unad listen activities To use this table dress all devices on the bus Table 2 1 HP IB Adaress Settings ASCII Characters HP 16500A HP IB SP 0 1 B 2 3 4 5 6 G 1 Preset at H 8 power on I 9 4 L N 0 1 Q 2 R 3 S 4 T Reserved for 5 U HP desktop 6 computer 1 w address 8 X 9 Y 1 Reserved for universal unlisten 2 7 16500A Installation 2 15 HP IB INTERFACE FUNCTIONS The HP IB interface offers 10 functions to support communications Table 2 2 lists the HP IB functions that the HP 16500A uses A indicates that the instrument does not imple ment that function Table 2 2 Model 16500A HP IB Functions Remote Local Parallel Device Clear 2 16 RS 232 C INTERFACE The HP Model 16500A interfaces with RS 232 C communications lines through a standard 25 pin D connector The HP Model 16500A is compatible with RS 232 C protocol 2 8 wx Interface Function Name Source Handshake Acceptor Handshake Talker or TE Extended Talker Listener or LE Extended Listener Service Request Device Trigger Any Controller HP 16500A Implemen tation When a hardwire h
32. 0 Display Module Rear Mounting Bracket 6 41 Display Module Rear Mounting Bracket Assembly 6 42 Final Positioning of Front Panel and Display Module 6 43 Front DISC Removal 6 44 Front Disc Drive Replacement 6 44 Hear Disc Drive Removal 6 45 Side Fan Mounting Screws and Power Cable Removal 6 46 Rear Fan Removal 6 47 TABLE OF CONTENTS GENERAL INFORMATION 121 IntFOdUCtlOft RR V d aoa ya 1 1 1 2 Instruments Covered by Manual 1 1 1 3 Safety Considerations 1 1 1 4 Product Ce Fur Rok eo e p Ri Pe TR RUN 1 2 1 95 ACcesSOrles Supplied cue ens 1 2 1 6 Accessories Available CEP 1 2 1 7 Operating Characteristics E i e bet eds Mews 1 2 1 8 Recommended Test Equipment 1 6 1 1 INTRODUCTION This Service Manual explains how to test ad just and service the Hewlett Packard 16500A Logic Analysis System mainframe This manual is divided into six sections as follows General Information 2 Installation 3 Performance Tests
33. 1 GHz Timing Analyzer HP 16520 16521 Pattern Generator HP 16530A 16531A Digitizing Oscilloscope HP 2225A ThinkJet Printer HP IB Interface HP 10833A B C D HP IB Cable HP 2225D ThinkJet Printer RS 232 C Interface 5 232 DTE to DTE cable for connecting the HP 16500A to printers and controllers HP Part No 13242 60010 e RS 232 C DTE to DCE cable for connecting the HP 16500A to modems and data Switche HP Part No 13242 60001 HP 1008A Testmobile Option 006 HP 74240A B CAE Software Rackmount Kit HP Part No 5061 9679 Service Data Suuplement 1 7 OPERATING CHARACTERISTICS Table 1 1 is a listing of the instrument s operat ing characteristics These are not specifica tions but are typical operating characteristics included as additional information for the user HP 16500A General Information Table 1 1 HP Model 16500A Operating Characteristics BUILT IN DISC DRIVES File Types System software configuration contains instrument configuration data pointer to inverse assembler file inverse assembler auto configuration calibration Autoload Designation A predefined configuration file can be loaded at power up Disc Operations Store load copy duplicate disc pack disc rename purge and format disc PROGRAMMABILITY Instrument settings and operating modes including automatic measurements may be remotely programmed via RS 232 C or HP IB IEEE 488 HARDCOPY OUTPUT Printers Supported H
34. 4 Adjustments 5 Replaceable Parts 6 Service Information for operating programming and interfacing the Model 16500A is contained the HP 16500A Operating and Programming manual set supplied with each instrument The General Information Section includes a description of the HP Model 165004 its specifications options available accessories and recommended test equipment for main taining the instrument Also listed on the title page of this manual is a Microfiche part number This number can be used to order 4 X 6 inch microfilm transparen cies of the manual Each microfiche contains up to 96 photo duplicates of the manual pages The microfiche package also includes the latest Manual Changes supplement and pertinent Service Notes Shipped with this manual are service manuals for each module ordered with the the HP 16500A To complete the service documenta tion for your system unpack the module ser vice manuals and place them in the 3 ring binder of this manual HP 16500 General Information SECTION I GENERAL INFORMATION 1 2 INSTRUMENTS COVERED BY MANUAL The instrument serial number is on the rear panel Hewlett Packard uses a two part serial number consisting of a four digit prefix and a five digit suffix separated by a letter 0000A00000 The prefix is the same for all identical instruments and changes only when a modification is made that affects parts com patibility The suffix is assigned and
35. Disc Test stotus PASSED Iatermogule Test stetus PASSED HP IB Test Stotus PASSED Color Display Test status UNTESTED RS 232C Test stotus FAILED MIL Test status PASSED System Tests stetus TESTEO IF RS 232 C TEST FAILS TO MAIN TROUBLESHOOTING FLOW CHART DOES INTERNAL LOOP BACK TEST FAIL 2 REPLACE CPU BPARD DOES EXTERNAL LOOP BACK TEST FAIL gt T 5 2 e m 3 2 6 15 LOOP BACK CONNECTOR INSTALLED 2 INSTALL CONNECTOR ON 5 232 PORT AND RE RUN TEST DOES EXTERNAL LOOP BACK TEST FAIL REPLACE CPU BOARD 16500 7887 Figure 6 27 RS 232 C Troubleshooting Flow Chart 6 27 2 8 0 a 5 a LT HP 16500A Service stotus stetus NOTE 6 28 ROM Test stotus PASSED RAM Test status PASSED MP IB Test PASSED RS 232C Test stotus PASSED HIL Test PASSED REFER TO THE MODULES SERVICE MANUALS eae FOR ID CODES INTERMOLDULE TROUBLSHOOTING FLOW CHART isc Test PASS D status ED Intermodule Test status FAILED Color Displey Test status UNTESTED 11 System Tests status TESTED IF INTERMODULE TEST FAILS ARE ALL OPTIONAL BOARDS IDS PRESENT REMOVE POWER AND RESEAT BOARDS AND REAPPLY POWER ARE A
36. E 6 1 6 2 6 3 6 4 2 Rahs Sr oooogooccooooooo IIMOGUCHON coves nie PP 6 1 Safety Considerations RS ECKE QUE LE e ete 6 1 Service Test Equipment Required 6 1 Theory of Operaatio o oes dece pax a ee owes e eO tht dati 6 1 SYSICNVOVENIGW ec 6 3 Microprocessor Board 6 5 Power UP Tests s UP rera 6 6 Mainframe Test System ART NA XE S E 6 7 TROUDIESNOOUNG VY PAN 6 16 cleri a TEE TP 6 29 Power Supply Replacement 6 30 Microprocessor Board Replacement 6 33 Mother Board Replacement 6 35 Front Panel Board Replacement 6 37 Display Module Replacement 6 39 Front Disc Drive replacement Pn 6 44 Rear Disc Drive be Sadips rh aac rae 6 45 Cooling Fan Replacement 6 46 HP 16500A Table of Contents vi LIST OF TABLES Table Title E Page 1 1 Operating Characteristics ore y nar a ADEM EY
37. ED misc electrical part amperes sanalog to digital alternating current adjust ment aluminum amplifier eanalog American National Standards Institute astigmatism ASYNCHRO asynchronous ATTEN AWG sattenuator American wire gauge xbalance binary code decimal board buffer binary sbridge bushing s bandwidth ceramic cermet resistor Calibrate calibration carbon composition counterclockwise ceramic cubic feet minute choke chamfered schannel scharacter centimeter complementary metal oxide semiconductor common mode rejection conductor counter connector contact cathode ray tube clockwise diameter digital to analog sdigital to analog converter darlington data double decibel referenced to ImW direct current decoder degree demultiplexer detector sdiameter dual in line package wdivision direct memory access double pole double throw DAC refresh controller zdriver fuse afitter shardware selectrical connector stationary portion jack Coiliinductor smisc mechanical part zelectrical connector moveable portion plug stransistor SCR triode thyristor resistor sthermistor switch jumper stransformer wsterminal board test point ABBREVIATIONS dowel semitter coupled logic elastomeric zexternal farads metal film resistor carbon film composition feed
38. HER BOARD TO FRONT PANEL CABLE ASSY CPU TO COLOR MODULE CABLE ASSY CPU TO DISC CABLE ASSY FAN POWER CABLE ASSY COLOR MODULE CONTROL CABLE ASSY COLOR MODULE POWER POWER CORD UNITED STATES HP 16500 Replaceable Parts Mfr Part Number 16500 66501 16500 66502 16500 69502 16500 66503 16500 69503 0950 1798 0950 1798 0950 1853 0960 0753 2090 0092 3160 0377 3160 0377 2110 0010 2110 0395 16500 61601 16500 61602 16500 61603 16500 61604 16500 61605 16500 61606 8120 1521 5 5 16500 Replaceable Parts 8 DISC DRIVE BRACKET MP13 TOP COVER NOT SHOWN MP10 TOP MODULE BRACKET MP20 POWER SUPPLY PANEL MP33 RIGHT COVER NOT SHOWN MP24 CORNER STRUT QTY 4 MP23 REAR FRAME MP9 FAN BRACKET MP12 FAN SHROUD MP2 REAR PANEL P32 LEFT COVER M15 CARDGUIDE NOT SHOWN M16 INSIDE CARDGUIDE MP14 MOTHERBOARD STRUT MP21 SIDE TRIM REAR FRAME 23 MP18 KNOB MP1 FRONT PANEL MP34 BOTTOM COVER NOT SHOWN MP17 TOUCHSCREEN BEZEL P9 DISC FAN BRACKET MP11 BOTTOM MODULE BRACKET 22 FRONT FRAME Figure 5 2 Chassis Parts Identification 5 6 HP 16500 Replaceable Parts Table 5 2 Replaceable Parts continued Reference HP Part aty Description Mfr Part Designation Number Number 0515 0372 0515 0380 0515 0435 0515 0664 0515 0943 SCREW MACHINE ASSEMBLY X 0 5 8MM LG 0515 0372 SCREW MACHINE ASSEMBL
39. LL OPTIONAL BOARD IDS PRESENT REPLACE MOTHER BOARD 16500 7806 Figure 6 28 Intermodule Troubleshooting Flow Chart REPLACE CPU BPARD TO MAIN TROUBLESHOOTING FLOW CHART HP 16500 Service 6 10 REPAIR The repair procedures in this section are provided to facilitate mainframe repair After diagnosing the defective assembly refer to the Table 6 1 Replaceable Assemblies appropiate repair procedure and follow the PARAGRAPH NUMBER ASSEMBLY TO BE REPLACED steps provided Assembly identification is given in figure 6 29 6 11 and the assembly to repair paragraph cross 6 12 reference is given in table 6 1 6 13 6 14 After rapairs have been made perform the 6 15 power up test and all tests of the mainframe 6 16 test system 6 17 6 18 A4 FRONT DISC DRIVE COLOR MODULE LOW VOLTAGE POWER SUPPLY A3 CPU BOARD A5 REAR DISC DRIVE B1 FAN Figure 6 29 Replaceable Assembly Identification Power Supply Microprocessor Board Mother Board Front Panel Board Display Module Front Disc Drive Rear Disc Drive Cooling Fans 6 29 HP 16500A Service WARNING This instrument is equipped with a standby switch on the front panel which DOES NOT de energize the power supply when switched to the STBY position To avoid shock hazards capable of causing injury or death disconnect the power cord for all of the assembly replacement procedures 6 11 POWER SUPPLY REPLACEMENT
40. OWER REQUIREMENTS The HP Model 16500 requires a power source of either 115 Vac or 230 Vac 48 to 66 Hz 475 W maximum 2 6 LINE VOLTAGE SELECTION CAUTION The instrument may be damaged if the Line Voltage Select switch is not prop erly set When shipped from the factory the Line Select switch is set and an appropiate fuse is installed for operating the instrument in the country of destination 2 1 16500 Installation To operate the instrument from a power source other than the one set at the factory proceed as follows 1 Turn front panel switch to STBY and rear panel power switch to OFF Remove power cord from instrument 2 Replace the main fuse with a 5A 250 V for 230 V operation or a 10 A 250 V fuse for 115 V operation 3 Set rear panel Line Select switch for desired line voltage 4 Reconnect power cord turn on rear panel power switch and continue normal operation LINE OFF 05 230V T75VA 2 7 POWER CABLE This instrument is equipped with a three wire power cable When connected to an ap propriate AC power outlet this cable grounds the instrument cabinet The type of power cable plug shipped with the instrument depends on the country of destination See figure 2 2 for option numbers of available power cables and plug configurations WARNING MAINTAIN GROUND TO AVDID ELECTRIC HOCK CAUTION FOR CONTINUED FIRE PROTECTION REPLACE FUSE WITH SAME
41. P 16500 Service 6 13 MOTHER BOARD REPLACEMENT a Remove power cord all modules top bottom and left cover b Remove power supply rear panel and the four power supply mounting screws Refer to figure 6 36 for power supply hardware identification Pull power supply toward rear panel to dis connect it from motherboard POWER SUPPLY REAR PANEL SCREWS POWER SUPPLY TOP MOUNTING SCREWS Figure 6 36 Power Supply Hardware Identification c Stand instrument on its ieft side Disconnect the two flat cables from from the microprocessor board Note the orientation of the cables d Remove the two microprocessor mounting screws and genlly slide the board out of the mainframe see figure 6 36 e Disconnect fan power cable and front panel cable from mother board Refer to figure 6 37 6 35 16500 Service BOTTOM OF INSTRUMENT CPU MOUNTING SCREWS Figure 6 37 Microprccessor Board Removal f With a Torx T 10 driver remove the six mother board mounting screws Lift the board from mainframe through the bottom the instrument see figure 6 38 FAN POWER CABLE MOTHER BOARD MOUNTING SCREWS POWER SUPPLY DECK BOTTOM FRONT PANEL CABLE MOTHERBOARD MOUNTING SCREWS OUTSIDE CARD GAGE GUIDE Figure 6 38 Mother Board Removal g Install new mother board and reconnect the fan power cable and front panel cable h Reinstall the microprocessor board and cables Reconnect the power supply i
42. P ThinkJet HP QuietJet HP LaserJet HP PaintJet Epson and Epson compatible g Epson FX 80 via RS 232 C or HP IB RS 232 C Configurations Protocols XON XOFF Hardware Data bits 7 8 Stop bits 1 1 1 2 2 Parity none odd or even Baud rates 110 300 600 1200 2400 4800 9600 19200 INPUT OUTPUT REAR PANEL BNCs Input BNC Labled Port in Input signal must drive four LS TTL loads active high Output BNC Labled Port out Output signal is active high TTL output level high 3 2V into 50 Ohms low 0 4 into 50 Ohms 1 3 HP 16500 General Information Table 1 1 HP Model 16500A Operating Characteristics Continued OPERATING ENVIRONMENT Temperature Instrument 0 to 55 432 F to 131 F Disc Media 10 to 50 50 to 122 F Probes and Cables 0 C to 65 32 to 149 F Humidity Instrument up to 95 relative humidity at 40 C 104 Disc media 8 to 80 relative humidity at 40 C 104 Altitude Up to 4600 m 15 000 ft Vibration Operating Random vibration 5 500Hz 10 minutes per axis 0 3g rms Non operating Random vibration 5 500Hz 10 minutes per axis 2 4 g rms and swept sine resonant search 5 500Hz 0 75g 0 peak 5 minute dwell 4 resonances per axis WEIGHT 18 1 40 Ibs 0 7 1 6165 x number of optional cards installed Shipping 25 9 kg 57 155 3 6 kg 8 16 x number of optional cards installed POWER REQUIREMEN
43. RITY CONTROL CORRECTS THIS AREA DEFLECTION YOKE POSITIONING CORRECTS THESE AREAS 6411903 Figure 4 17 Landing and Purity Adjustment Guide 11 Iflanding is not correct in step 10 readjust purity magnets for best landing of each color 12 Remove power from instrument and reinstall the yoke spacers 13 When landing adjustment is complete tighten deflection yoke clamp screw just enough to keep yoke from moving DO NOT over tighten NOTE While moving deflection yoke forward and rearward rotate yoke as necessary to make vertical eages of raster to the sides of the instrument frame HP 16500 Adjustments Static Convergence 1 2 4 16 Preset front panel BACKGROUND control to mechanical center Preset front panel BRIGHTNESS control to maximum Temporarily disconnect power from instrument and remove PC board shield cover from rear of CRT Display Module by prying evenly on all four sides Re apply power and from the Display Test menu select the white cross hatch test pattern Check four dots which are located around center intersection of cross hatch pattern for coin cidence of blue red and green dots If the dots not coincident adjust H STAT 703 located on rear PC board to obtain horizontal coincidence and V STAT RV803 located on bottom PC board to obtain vertical coincidence see figure 4 18 NOTE Due to interaction BEAM LANDING will need to be re adjusted if either H STAT or
44. ROM Test performs a checksum of both ROMs and compares that value to the stored value The test response is passed impaired or failed If the message impaired is displayed only one of the ROMs on the microprocessor board is defective If the message failed is displayed both ROMs are defective RAM TEST The RAM Test performs an abbreviated read write test at various memory locations The test returns a pass fail message INTERRUPT TEST The Interrupt Test checks the microprocessor interrupts interrupts 2 throught 7 If any inter rups are active the test fails DISPLAY TEST The Display Test checks the display RAM and the CRT controller During the RAM test the entire address range is checked The CRT con troller ensures that a End Of Frame interrupt is generated The test will report a fail message if either the display RAMs or the controller tests fail HIL TEST The HIL TEST consists of three parts the HIL controller test the front panel and touchscreen tests Depending on the test results the first two tests controller and front panel tests report a pass fail message The touchscreen test may return a pass fail or an impaired message The impaired message is displayed if four or less LED pairs of the touchscreen system are defective The impaired message is also dis played if the touchscreen test fails more than four defective LED pairs and a mouse is con nected to the front panel HIL connector The in
45. RS 232 C loopback connector on the micro processor RS 232 C port With the Mainframe Test menu displayed touch the System Tests field The instrument will per form all the tests that are listed on screen see figure 6 8 Mainframe Test ROM Test status PASSED Test PASSED Disc Test status PASSED Intermodule Test status PASSED stetus HP IB Test status PASSED Color Displey Test status UNTESTED RS 232C Test status PASSED L Test All System Tests PASSED HI status status TESTED Figure 6 8 All System Test When the tests are completed the status advisory for each test will change from UNTESTED to either PASSED or FAILED All System Tests advisory will change from UNTESTED to TESTED Also note that the Color Display Test status will remain UNTESTED If any tests fail refer to the troubleshooting paragraph this in section 6 9 HP 16500 Service THE COLOR DISPLAY CHECK The Color Display Check may be used to test the display This check is not normally needed These screens are primarily used when the color module requires adjusting Refer to Section IV of this manual for the adjustment procedure To check for color purity follow the procedure below a From the Mainframe Test menu select the Color Display Test The white cross hatch pattern will be displayed first This pattern is used for the color module geometry adjustmen
46. Replace all moclules and realtach all covers 6 36 HP 16500 Service 6 14 FRONT PANEL BOARD REPLACEMENT a Remove power cord boltom and top covers Remove front disc drive see paragraph 6 16 b Disconnect the two cables from front panel board see figure 6 39 BOTTOM VIEW OF MAINFRAME FRONT PANEL CABLES Figure 6 39 Front Panel Cable Removal c Remove the four front panel assembly mounling screws from top casting as shown in figure 6 40 Use a Torx T 15 driver VIEW OF MAINFRAME BOTTOM VIEW OF MAINFRAME REMOVE 2nd 3rd 6th 4 P REMOVE THE 1st 2nd 5th AND 7th MOUNTING AND 6th MOUNTING SCREW 1st 2nd gt 2nd 3rd 5th 6th 6th 7th Figure 6 40 Front Panel Mounting Screws Identification 6 37 HP 16500 Service 6 38 With a Torx T 15 driver remove the four bottom front panel mounting screws see figure 6 40 Remove front panel and shield by pushing on the back of the panel from the inside of the instrument Very carefully remove the shield from the assembly The shield is very fragile and must be replaced if it is bent or damaged in any way Unplug the knob cable Using a Torx T 10 driver remove the seven front panel mounting screws Use figure 6 41 to identify the mounting screws Remove board from front panel APPLY FINGER PRESSURE HERE SEE STEP K E A APPLY FINGER PRESSURE HERE SEE STEP Figure 6 41 Front Panel Board Hardware
47. SERVICE MANUAL HP 16500A ET LOGIC ANALYSIS Kip HEWLETT PACKARD 16500 LOGIC ANALYSIS SYSTEM MAINFRAME Service Manual HEWLETT U PACKARD SERVICE MANUAL HP MODEL 16500A LOGIC ANALYSIS SYSTEM MAINFRAME SERIAL NUMBERS This manual applies directly to instruments with serial numbers prefixed 2650 For additional information about serial numbers see INSTRUMENTS COVERED BY THIS MANUAL in Section 1 6 COPYRIGHT HEWLETT PACKARD COMPANY COLORADO SPRINGS DIVISION 1987 1900 GARDEN OF THE GODS ROAD COLORADO SPRINGS COLORADO U S A ALL RIGHTS RESERVED Printed in U S A September 1987 Manual Part Number 16500 90901 Microfiche Part Number 16500 90801 CERTIFICATION Hewlett Packard Company certifies that this product met its published specifications at the time of Shipment from the factory Hewlett Packard further certifies that its calibration measurements traceable to the United States National Bureau of Standards to the extent allowed by the Bureau s calibration facility and to the calibration facilities of other International Standards Organization members WARRANTY This Hewlett Packard product is warranted against defects in material and workmanship for a period of one year from date of shipment During the warranty period Hewlett Packard Company will at its option either repair or replace products which prove to be defective For warranty service or repai
48. TING ENVIRONMENT The operating environment is listed in table 1 2 Note should be made of the non condensing humidity limitation Condensation within the instrument can cause poor opera tion or malfunction Protection should be provided against internal condensation The HP 16500A will operate at all specifica tions within the temperature and humidity range given in table 1 2 However reliability is enhanced by operating the instrument within the following ranges Temperature 20 to 435 C 68 to 95 F Humidity 20 to 80 non condensing 2 20 STORAGE AND SHIPMENT The instrument may be stored or shipped in environments within the following limits Temperature 40 C to 75 Humidity Up to 90 at 65 Altitude Up to 15 300 metres 50 000 Feet 2 12 The instrument should also be protected from temperature extremes which cause condensa tion within the instrument 2 21 PACKAGING The following general Instructions should be used for repacking the instrument with com mercially available materials e Remove Discs from disc drives and install the yellow shipping discs e Wrap instrument in heavy paper or plastic e Use a strong shipping container double wall carton made of 350 Ib test material is adequate Use a layer of shock absorbing material 70 to 100 mm 3 to 4 inches thick around all sides of the instrument to provide firm cushioning and prevent movement inside the container Protect
49. TS 115V 230V 48 to 66Hz 475W max DIMENSIONS Refer to figure 1 1 for dimensional detail 16500 General Information 541 02 es 4 482 6 19 0 556 3 21 9 425 7 4 3 ibi Figure 1 1 HP Model 16500A Dimensional Detail 1 5 HP 16500 General Information 1 8 RECOMMENDED TEST EQUIPMENT Other equipment may be substituted if it meets Equipment required to test and maintain the or exceeds the critical specifications listed in HP Model 16500A is listed in table 1 2 the table Table 1 2 Recommended Test Equipment INSTRUMENT RECOMMENDED REQUIRED CHARACTERISTICS REQUIRED TYPE MODEL FOR OSCILLOSCOPE HP MODEL 54201A BANDWIDTH 100MHz RS 232 C LOOP PART NO BACK 01650 63202 CONNECTOR VOLTMETER HP MODEL 3468A 3 1 2 DIGIT RESOLUTION A Adjustments P Performance Verification T Troubleshooting TABLE OF CONTENTS INSTALLATION 2 1 b e ped 2 1 2 2 Safety Considerations 2 1 2 3 Initial Inspection 2 1 2 4 Operating Disc Installation ee ore ea en dale Eee cre 2 1 2 5 Power eret rir ore EO 2 1 2 6 Line Voltage Selection oo
50. UX RS232 C INTERFACE SYSTEM ROM amp DISPLAY RAM RAM COLOR PALETTE TO COLOR MODULE CRT ADDRESS BUS CONTROL RED GREEN BLUE PERIPHERAL DECODER DISC DRIVE INTERFACE TO DISC DRIVE INTERFACE INTERMODULE BUS MONITOR ADDRESS BUS ADDRESS 100 TO MODULE Figure 6 2 Microprocessor Block Diagram TO RS232 C CONNECTOR 16300 6104 THROUGH MOTHER BOARD 6 6 Microprocessor Board Theory The microprocessor board contains the system memory all the interfaces for the mainframe peripherals the intermodule bus monitor and the optional board module interface The mainframe peripheral interfaces are selec ted by the processor through the peripheral demultiplexer and peripheral decoder Using the three least significant processor ad dress bits the peripheral decoder selects sys tem ROM and RAM the display RAM and the module interface The peripheral demultiplexers select the interface HP IB RS 232 C interfaces color palette and the disc drive interface System memory consists of 64K bytes of ROM and 512K words of RAM Stored in ROM is part of the operating system the power up selftests the disc drive instructions and the Human Interface Link HIL driver The Hewlett Packard Human Interface Link HP HIL is the interface between the micro processor and the front panel board In the write mode the interface contro
51. V STAT adjustments are made Once BEAM LANDING is re ad justed repeat step 5 above if necessary to ob tain center screen coincidence of the dots CENTER DOT CENTER DOT RV703 H STAT RV803 V STAT M5411004 Figure 4 18 Static Convergence HP 16500A Adjustments Dynamic Convergence 1 From the Display Test menu select the white cross hatch test pattern 2 Adjust Y BOW RV805 located on bottom PC board to eliminate red green and blue bowing at top and bottom of center vertical line see figure 4 19 5411006 Figure 4 19 Y BOW Adjustment 3 Adjust Y BOW CROSS RV804 located on bottom of PC board to eliminate red green and blue orthogonal mis alignment at top and bottom of center vertical line see figure 4 20 M6411006 Figure 4 20 Y BOW CROSS Adjustment 4 17 HP 16500 Adjustments Dynamic Convergence Continued 4 Adjust V STAT TOP RV801 and V STAT BOTTOM RV802 located on bottom PC board to obtain coincidence of red blue and green at intersection of top and bottom horizontal lines with center vertical line see figures 4 21 and 4 22 46411007 Figure 4 21 V STAT TOP Adjustment 95411000 Figure 4 22 V STAT BOTTOM Adijustment 4 18 HP 16500A Adjustments Dynamic Convergence Continued 5 Adjust H AMP RV807 located on bottom PC board for equal amounts of mis convergence at right and left sides of screen see figure 4 23 B
52. Y M4 X 0 7 10MM LG 0515 0380 SCREW MACHINE ASSEMBLY M4 X 0 7 14MM LG 0515 0435 SCREW MACHINE ASSEMBLY M3 X 0 5 12MM LG 0515 0664 SCREW MACH M4 X 0 7 12MM LG 0515 0943 SCREW MACH M5 X 0 8 10MM LG 0515 1384 SCREW SPCL M4 X 0 7 6MM LG 90 DEG FLH HD 0515 1403 SCREW MACH M3 5 X 0 6 25 4MM LG PAN HD 0515 1444 NUT SHEET METAL M4 0535 0105 NUT SHEET METAL M4 0535 0106 0515 1384 0515 1403 0515 1444 0535 0105 0535 0106 0624 0520 0624 0644 2190 0763 2950 0043 3050 0188 SCREW TPG 6 19 5 IN LG PAN HD TORX T15 0624 0520 SCREW TPG 8 32 5 IN LG PAN HD TORX T15 235 39581 732 WASHER FL MTLC NO 6 14 IN ID 5 IN OD 2190 0763 NUT HEX DBL CHAM 3 8 32 THD 094 IN THK 2950 0043 WASHER SPR CRVD 3 8 IN 385 IN ID 3050 0188 4 ov Oo fo 3050 1238 WASHER FL NM 9 64 149 IN ID 478 IN OD 385 81 60 16500 40201 16500 00201 0363 0125 1460 1345 16500 00601 16500 00602 16500 00603 16500 01201 16500 01202 16500 01205 FRONT PANEL 16500 40201 REAR PANEL 16500 00201 RFI STRIP FINGERS BE CU BRIGHT DIP 0363 0125 TILT STAND SST 1460 1345 STATIC SHIELD 16500 00601 DISC DRIVE SHIELD 16500 00602 FAN SCREEN 16500 00603 FRONT DISC DRIVE BRACKET 16500 01201 REAR DISC DRIVE FAN BRACKET 16500 01202 TOP COLOR MODULE BRACKET 16500 01205 BOTTOM COLOR MODULE BRACKET 16500 01206 FAN SHROUD 16500 01207 TOP COVER 16500 04101 STRUT MOTHERBOARD 16500 04701 CARDGUIDE LEFT SIDE 16500 23101
53. andshake method is used the Data Terminal Ready DTR line pin 20 on the Computer Modem connector is used to signal whether space is available in the logical buffer for more data Pin outs of the RS 232 C connectors are shown in Table 2 3 HP 16500 Installation Table 2 3 RS 232 C Signal Definitions RS 232 C FUNCTION STANDARD SIGNAL DIRECTION and LEVEL Protective Ground Not applicable Data from Mainframe High Space 0 12V Low Mark 1 12V Transmitted Data TD Data to Mainframe High Space 0 8V to 25V Low Mark 1 3V to 25V Received Data RD Signal from Mainframe High ON 12V Low OFF 12V Request to Send RTS Clear to Send CTS Signal to Mainframe High ON 8V to 12V Low OFF 3V to 25V Signal to Mainframe High ON 43V to 25V Low OFF 3V to 25V Data Set Ready DSR Not applicable Signal Ground SGND Data Carrier Detect DCD Signal to Mainframe High ON 8V to 25V Low OFF 3V to 25V Data Terminal Ready DTR Signal from Mainframe High ON 12V Low OFF 12V Signal from Mainframe Always High ON 12V Data Signal Rate Selector 2 9 HP 16500 Installation 2 17 BAUD RATE SELECTION The baud rate of the HP 165004 is set at 1 Cycle power or touch the upper left corner power on for 9600 baud field of the touch screen
54. cessary for the user to refer to the instruction manual in order to protect against damage to the product Indicates hazardous voltages Earth terminal sometimes used in manual to indicate circuit common connected to grounded chassis The WARNING sign denotes a hazard It calls attention to a procedure practice or the like which if not correctly performed or adhered to could result in personal injury Do not proceed beyond a WARNING sign until the indicated conditions are fully understood and met The CAUTION sign denotes a hazard calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruction of part or all of the product Do not proceed beyond a CAUTION sign until the indicated conditions are fully understood or met SC1D984 HP 16500A Table of Contents TABLE OF CONTENTS Section GENERAL INFORMATION vela dues E G E 1 1 Introduction SI 1 1 1 2 Instruments Covered By Manual 1 1 1 3 Safety Considerations va VS 1 1 1 4 Product Description NUT 1 2 1 5 Accessories Supplied 1 2 1 6 Accessories Available ER YAN ees Qv ed e eb sa does 1 2 1 7
55. d programmable logic array plastic positive negative positive polyester positive position potentiometer spozidrive peak to peak parts per million precision preamplifier programmable parallel programmable position point potted wirewound power reset set random access memory rectifier retainer radio frequency regulator register rack zroot mean square RX S SEC SEG SEL sat SHF 51 SIP SKT SL SLDR SLT SOLD SPCL sQ SREG STD integrated circuit microcircuit electron tube glow lamp voltage regulator breakdown diode cable socket crystal unit piezo electric or quartz round read only memory rotary pulse generator receiver Schottky clamped seconds time screw silicon controlled rectifier second time secondary segment selector esingle shift silicon single in line package skirt slide 5 wslot ted solenoid special square shift register service request wstatic estandard SYNCHRO asynchronous atantalum tubeaxial temperature coefficient delay thread ed thick through test point tapping transformer trigger ed strimmmer sturn s transistor transistor transmitter 10 6 Underwriters Laboratory unregulated voltampere volt ac variable voltage contro
56. e 2 4 HP IB Interface Connector 2 13 HP IB ADDRESS SELECTION Each instrument connected to the HP IB inter face bus requires a unique address The ad dress provides a method for the system com puter to select individual instruments on the bus The address of the HP Model 16500A defaults at power to decimal 07 The cor responding ASCII code is a listen of anda talk address of G To change the address of the HP 16500A proceed as follows 1 Cycle power or touch the upper left corner field Touch the System field to obtain the System Configuration menu see figure 2 5 2 5 HP 16500 Installation Controller ee eed Printer Figure 2 5 System Configuration menu 2 Touch HP IB field to call up the HP IB Configuration Menu see figure 2 6 Configuration HP IB Configuration HP IB Connected to Controller Figure 2 6 HP IB Configuration Menu 3 Rotate knob to select the desired HP IB ad and touch Done to enter the new selected dress The address number is shown in the address see figuare 2 7 HP IB Address field The address number 4 Touch Done to exit the HP IB Configuration may also be entered via the keypad Touch menu the HP IB field again to bring up the keypad Select the new number using the keypad 2 6 HP 16500 Installation Figure 2 7 HP IB Configuration with Keypad 2 14 HP IB ADDRESS CODES simply identify the address code of the device to
57. e Gray Jade Gray Black Jade Gray Mint Gray Mint Gray Mint Gray Mint Gray Jade Gray Dark Gray United Kingdom Cyprus Nigeria Zimbabwe Singapore Australia New Zealand East and West Europe Saudi Arabia So Africa India Unpolarized in many nations United States Canada Mexico Philippines Taiwan United States Canada For interconnecting system components and peripherals United States and Canada only Switzerland Denmark Republic of South Africa India Part number shown for plug is industry identifier for plug only Number shown for cable is HP Part Number for complete cable including plug These cords are included in the CSA certification approval of the equipment E Earth Ground L Line Neutral 2 3 HP 16500 Installation 2 8 USER INTERFACE Three devices may be used to interface with the HP 16500 and all installed modules the Touch Screen the front panel Knob and the optional HP Mouse see figure 2 3 MOUSE OPTIONAL Figure 2 3 HP 16500A User Interface Devices 2 9 The Touchscreen The Touchscreen interface provides the main front panel control or access to the menus By touching the appropiate field you can access other menus configure the HP 16500A for making measurements and enter or change alpha numeric data 2 10 The Front Panel Knob The front panel Knob is used to increment or decrement numeric fields and t
58. e frame and tighten the mounting bracket screws Do not overtighten the screws or you will damage the rubber washer Tighten all module mounting hardware Reconnect microprocessor flat cable the module power cable and front panel contro cable z Reinstall all modules and covers 6 43 HP 16500 Service 6 16 FRONT DISC DRIVE REPLACEMENT a Remove power cord and top cover of instrument b With a Torx T 8 driver remove the two disc mounting screws see figure 6 48 DISC DRIVE COVER DISC DRIVE CABLE FROM CPU DISC DRIVE POWER SUPPLY Figure 6 48 Front Disc Removal Slowly slide the front disc drive assembly toward lhe rear panel Remove the disc mounting bracket from bottom of disc d Disconnect the disc drive cable and connect it to the replacement unit e Reattach the bottom disc drive bracket to the new drive f Reinstall the new unit through the front panel Note the two front panel guide pins see figure 6 49 FRONT PANEL GUIDE PINS AA Figure 6 49 Front Disc Drive Replacement g Replace the top disc drive mounting bracket and top cover of instrument 6 44 HP 16500 Service 6 17 REAR DISC DRIVE REPLACEMENT a Remove power cord and bottom cover of instrument b With a Torx T 8 driver remove the four disc mounting screws see figure 6 250 REAR DISC DRIVE MOUNTING SCREWS DISC DRIVE CABLE FROM CPU Figure 6 50 Rear Disc Dr
59. ecautions must be observed during all phases of operation service and repair of the instrument Failure to comply with the precautions listed in the Safety Summary at the front of this manual or with specific warnings given throughout this manual could result in serious injury or death Service ad justments should be performed only by qualified service personel Read the Safety Summary at the front of this manual before performing ad just ment procedures The apparatus shall be disconnected from all voltage sources before it is opened for any adjustment replacement maintenance or repair 4 1 HP 16500 Adjustments 4 4 ADJUSTMENT TEST PATTERNS Six test patterns are required for adjusting the Access to the test patterns is gained through color module the white cross hatch pattern a the Mainframe Test system white full screen raster a full screen pattern To access the test patterns perform the follow for each primary color and a black full screen ing steps raster 1 Cycle power to obtain the System Configuration Test System Configuretion HP IB Controller 5 252 E Printer Figure 4 1 System Configuration Menu 2 Touch Configuration field and the Test field from the pop up menu see figure 4 2 Config IIR tne Printer Figure 4 2 Accessing the Test System HP 16500 Adjustments 3 Touch the field in the center of the screen to
60. ed from the black raster pattern the Mainframe Test menu will be redisplayed Notice that the status of the Display Test field has changed to TESTED 8 the Mainframe Test system and to reload the mainframe operating system touch the Mainframe Test field and the Test System field from the pop up menu The Test System con figuration will be displayed see figure 4 8 naintrame Tort Test System Mainframe Test Rem Test UNTESTED stetus HP IB Test status UNTESTED ve status RS 232C Test status UNTESTED HIL Test 11 System Tests UNTESTED status status UNTESTED Figure 4 8 Exiting Mainframe Test System HP 16500 Adjustments 9 Touch the Configuration field Select Exit Test and touch the field in the center of the screen to reload the mainframe operating system see figure 4 9 Test System Figure 4 9 Exiting Test System 10 After the operating system has been reloaded the System Configuration will be redisplayed figure 4 10 S Printer Figure 4 10 System Configuration HP 16500 Adjustments 4 5 COLOR MODULE ADJUSTMENTS Description The Color Module is adjusted to compensate for external magnetic influences causing mis convergence NOTE DO NOT continue with this procedure before first degaussing the CRT screen using the rear panel degaussing switch In extreme cases of magnetism it may be necessar
61. es where the user s environment or shipping environment has caused high levels of magnetization to take place it may be necessary to externally degauss the CRT using a conventional television ty pe degaussing coil to completely degauss the CRT 4 Set purity magnet tabs to mechanical center see figure 4 15 8 PURITY MAGNET 98411001 Figure 4 15 Purity Magnet Centering 5 Select the greeen raster from the Display Test menu 4 13 HP 16500 Adjustments Landing Adjustment Continued 6 Move deflection yoke rearward until left edge of raster turns red and right side of raster turns blue see figure 4 16 Figure 4 16 Purity Magnet Adjustment Raster 7 Adjust purity magnets until green is in center of raster with red and blue bands evenly dis tributed on sides see figure 4 15 The purity magnets need no more than x15 movement from mechanical center 8 Move deflection yoke forward until entire raster is green NOTE Landing adjustment is easier if yoke is moved all the way forward and then moved rearward until raster is completely green 9 Replace the green raster with a full screen red raster Check for proper landing adjustment color purity Select a blue full screen raster and check it for proper landing adjustment HP 16500A Adjustments Landing Adjustment Continued 10 If landing is not correct step 9 repeat steps 6 through 9 for best compromise see figure 4 17 PU
62. est Patterns 6 10 Mainframe Test Menu n x X exu i UN EE EEUU E 6 11 MA E E EUR ERE AV FERA E VE 6 11 Choosing the Single or Repetitive Mode 6 12 ROM Test in the Repetitive Mode 6 12 Exiting the Mainframe Test System 6 13 Exiting Mainframe Configuaration 6 13 Reloading the Mainframe System 6 14 HP 16500A TOST ERA Ser CREE SERES 6 16 Main Troubleshooting Flow 6 17 Color Module Troubleshooting Flow Chart 6 18 Checking for Color module Signals 6 20 System Boot Troubleshooting Flow Chart 6 21 vii HP 16500A Table of Contents viii LIST OF ILLUSTRATIONS Power Supply Troubleshooting Flow Chart 6 22 Power Supply Check ee 6 23 Checking Power supply Resistance to Ground 6 24 HIE Troubleshooting Flow Chart 6 25 Disc Drive Troubleshooting Flow Chart
63. g a flexible ruler adjust H SIZE RV504 and V HEIGHT RV502 located on left hand side PC board so cross hatch pattern s border displayed on CRT is 120 5 mm 4 74 in vertically and 161 mm 6 34 in horizontally Adjust V CENT RV510 and H CENT RV503 located on left hand side PC board to center pattern Adjust PIN RV506 located on left hand side PC board to eliminate pincushion distor tion in the vertical lines of the cross hatch pattern as shown in figure 4 12 M5411012 Figure 4 12 PIN AMP Adjustment 4 9 HP 16500 Adjusiments Geometry Adjustments Continued 8 Setinstrument on its left side color module side up and remove bottom rail see figure 4 13 NOTE Leave instrument standing on its left side until the PIN PHASE ad justment has been completed se 15 torx driver Use 10 torx driver Use 15 torx driver Figure 4 13 Bottom Rail Removal 9 Adjust PIN PHASE RV505 located on left side PC board to eliminate pin phase distortion in vertical lines of cross hatch pattern as shown in figure 4 14 16500 8103 Figure 4 14 PIN PHASE Adjustment HP 16500 Adjustments 10 peineta bottom rail 11 Adjust TOP PIN RV511 located on left hand side PC board so that top horizontal line is parallel with center horizontal line 12 Adjust BOTTOM PIN RV512 located on left hand side PC board so that bottom horizontal line is parallel with center horizontal line
64. hanged to either PASSED or FAILED 6 12 HP 16500 Service EXITING THE MAINFRAME TEST SYSTEM The Mainframe Test System may be exited any time after a test has been completed Perform the following steps to exit the system a From any test screen touch the Done field to redisplay the Mainframe Test menu b Select the Mainframe Test field and the Test System field from the pop up menu see figure 6 14 The Test System Configuration will be redisplayed Heinfreme Tes 4 PASSED status RAM Test status PASSED HP IB Test status PASSED RS 232C Test status PASSED HIL Test All System Tests PASSED status status TESTED Figure 6 14 Exiting the Mainframe Test System c Select the Configuration field and touch Exit Test see figure 6 15 Test System Configuration Rear Disc Front Disc Utilities 0 Figure 6 15 Exiting Test Configuration 6 13 HP 16500 Service d Ensure that the operating system software is installed in a disc drive Touch the field in the center of the screen to reload the mainframe operating system After the operating system has been reloaded the System configuration will be redisplayed Exit Test WARNING NORMAL SYSTEM WILL BE LOADED OVER TEST SYSTEM Touch box to Exit Test System Figure 6 16 Reloading the Mainframe System 6 14 HP 16500 Service DESCRIPTION OF MAINFRAME TESTS Below is a b
65. ies in al phanumerical order by reference designation b Chassis mounted parts in al phanumerical order by reference designation Electrical assemblies and their com ponents in alphanumerical order by reference designation The information given for each part consists of the following a Complete reference designation b Hewlett Packard part number c Total quantity Qty in instrument d Check digit for HP use only HP 16500 Replaceable Parts SECTION V REPLACEABLE PARTS e Description of part f The manufacturers code g The manufacturers part number 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 Some of the parts used in this instrument have been set up on a Blue stripe board exchange program This allows the customer to ex change his faulty assembly with one that has been repaired calibrated and performance verified at the factory The cost of the ex change assembly is significantly less than that of a new part Exchangeable parts are listed separately in the mainframe parts list table 5 2 They have a part number in the form XXXXX 695XX where the new part would be XXXXX 665XX Before ordering a Blue stripe assembly check with your local HP parts or repair organization for the procedures associated with the Blue stripe program 5 5 ORDERING INFORMATION To order a part listed i
66. igned in accordance with accepted safety standards Safety symbols used with Hewlett Packard in struments are illustrated in the front matter of this manual These symbols should be reviewed before service work is performed Service work should be performed only by qualified service personnel 6 3 SERVICE TEST EQUIPMENT REQUIRED Equipment required for service is listed in Section Table 1 2 Any equipment that satis fies critical specifications given in the table may be substituted 16500 Service SECTION VI SERVICE 6 4 THEORY OF OPERATION The following paragraphs contain block diagram level theory of operation for the HP 16500A Mainframe This level of theory is not intended for com ponent level troubleshooting rather it is to be used to help isolate an instrument failure to a replaceable assembly For component level troubleshooting the Service Data Supplement for the HP 16500A is required The supplement contains schematics com ponent level theory of operation component locators and a parts list for the microproces sor front panel and the mother boards Schematics for the power supply and the color module are not included in the supplement These assemblies are not field repairable and must be returned to the factory The theory of operation is divided into two parts the System Overview and the Microprocessor Theory 6 1 HP 16500 Service MICRO PROCESSOR BOARD
67. in the front matter of this manual WARNING and CAUTION sym bols and instructions should be reviewed before operating the instrument These warn ings and cautions must be followed for your own protection and to avoid damage to the instrument 2 3 INITIAL INSPECTION Inspect the shipping container for damage If the shipping container or cushioning material is damaged it should be kept until the con tents of the shipment have been checked for completeness and the instrument has been checked mechanically and electrically The contents of the shipment should be as listed in the Accessories Supplied paragraph in Section 1 If the contents are incomplete or if there is mechanical damage notify the nearest Hewlett Packard office If the shipping con tainer is damaged or the cushioning material shows signs of stress notify the carrier as well as the Hewlett Packard office Keep the ship ping material for carrier s inspection The HP office will arrange for repair or replacement at HP option without waiting for claim settlement 16500 Installation SECTION INSTALLATION 2 4 OPERATING DISC INSTALLATION The instrument is shipped with yellow protec tive discs in each disc drive Before applying power to the mainframe remove the protective discs from the front and rear disc drives and install the operating disc in one of the disc drives Reinstall the protective discs whenever the instrument is transported 2 5 P
68. ing the Test System 6 7 HP 16500 Service c Ensure that test files are on the installed disc and that all user data is copied onto a separate disc Touch the field in the center of the screen to load the test system see figure 6 5 WARNING TEST SYSTEM IS LOADED OVER EXISTING SYSTEM Touch box to Load Test System Cerd ID codes SLOT SLOTB SLOTC SLOTD SLOTE none none none none none Figure 6 5 Loading the Test System Software d After the test software has been loaded the Test System Configuration Menu will be displayed Test System Configuration figure 6 6 Printer Figure 6 6 Test System Configuration e Touch the Test System field and select Mainframe Test from pop up menu The Mainframe Test menu will now be displayed figure 6 7 Mainframe Test Disc Test ROM Test status UNTESTED status UNTESTED Intermodule Test status UNTESTED RAM Test UNTESTED stetus Test status UNTESTED Color Display Test stetus UNTESTED RS 232C Test status UNTESTED HIL Test 11 System Tests UNTESTED status 1 status UNTESTED Figure 6 7 Mainframe Test Menu HP 16500 Service PERFORMING THE ALL SYSTEM TEST Perform the System Test using the following procedure Before performing any mainframe tests ensure that a formated disc is installed in each disc drive Ensure that discs are not write protected install the
69. is dif ferent for each instrument This manual ap plies directly to instruments with the serial prefix shown on the title page An instrument manufactured after the printing of this manual may have a serial number prefix that is not listed on the title page This unlist ed serial prefix indicates the instrument is dif ferent from those described in this manual The manual for this newer instrument is ac companied by a Manual Changes supplement This supplement contains change informa tion that explains how to adapt the manual to the newer instrument In addition to change information the supple ment may contain information for correcting errors in the manual To keep this manual as current and accurate as possible Hewlett Packard recommends that you periodically request the latest Manual Changes supplement The supplement for this manual is identified with the manual print date and part number both of which appear on the manual title page Complimentary copies of the supplement are available from Hewlett Packard 1 3 SAFETY CONSIDERATIONS This product is a Safety Class 1 instrument provided with a protective earth terminal Review the instrument and manual for safety markings and instructions before operating Specific warnings cautions and instructions are placed wherever applicable throughout the 1 1 HP 16500 General Information manual These precautions must be observed during all phases of operatio
70. ive Removal c Disconnect the control cable and slide the unit out of the rear panel d Slide the replacement unit through the rear panel and reinstall the mounting hardware Reconnect control cable and replace the bottom cover 6 45 HP 16500 Service 6 18 COOLING FAN REPLACEMENT Side a b C d 6 46 Fan Replacement Remove power cord top bottom and right side cover With a Torx T 15 driver remove the four side fan mounting screws see figure 6 51 Reach through the top of the instrument and disconnect the fan power cable FAN POWER CABLE FROM MOTHER BOARD SIDE FAN MOUNTING SCREWS FAN IS SHOWN REMOVED FROM FAN BRACKET Figure 6 51 Side Fan Mounting Screws and Power Cable Removal Install the new side fan Reconnect power cable and dress it between the two fans HP 16500 Service Rear Fan Replacement a Remove power cord and top cover b With a Torx T 10 driver rernove the complete fan assembly from instrument rear panel see figure 6 52 FRED i Ee Y EUMDEM REAR FAN Nu REAR FAN MOUNTING SCREWS 4X HOUSING SCREWS 4X Figure 6 52 Rear Fan Removal Disconnect fan power cable Wilh a Torx T 15 driver remove fan from fan bracket d Reverse the above procedure when installing the new fan Ensure that the power cable is dressed under and between the fans 6 47 HEWLETT PACKARD 16500 90901 PRINTED IN U S A
71. justing when used in a normal environment The pro cedure given in this section is for the color module Do not perform these adjustments as part of regular maintainence Observe the following rules before making any color module adjustments CAUTION Do not perform this procedure as normal maintenance e Make adjustments only if the instrument has been subjected to extreme magnetic environ ments and the colors are incorrect e Before making any adjustments try degauss ing the unit using the rear panel degaussing switch or a color television type degaussing e Only qualified personel who familiar with color CRT convergence procedures should perform this adjustment e Before adjustments are made mark the posi tion were potentiometers are This allows you to return the adjustments to their original starting position 4 2 DEGAUSSING THE DISPLAY After the instrument has been used for awhile the CRT may become magnetized and color or other data may become distorted to correct press the Degauss button on the power supply rear panel several times HP 165004 Adjustments SECTION ADJUSTMENTS If the instrument has been subjected to strong magnetic fields it may be necessary to degauss the CRT with a conventional televi sion type degaussing coil 4 3 SAFETY CONSIDERATIONS Although this instrument has been designed in accordance with international safety standards general safety pr
72. leshooting Flow Chart CHECK FRONT PANEL CABLE FOR CONTINUITY AND RECONNECT HP 16500 Service TO MAIN TROUBLESHOOTING FLOW CHART 6 25 4 2 o X S e HP 16500 Service DISC DRIVE TROUBLESHOOTING FLOW CHART ROM Test Disc Test stetus PASSED stotus FAILED Test Intermodule Test status PASSED stetus SE HP IB Test Color Oispley Test status PASSED TESTEO stetus UN PLASTIC TAB RS 232C Test stetus PASSED Test status PASSED All System Tests stetus TESTED TO WRITE PROTECT THE DISC SLIDE THE PLASTIC TAB DOWN TO WRITE DATA TO THE DISC SLIDE THE PLASTIC TAB UP FROM MAIN TROUBLESHOOTING FLOW DIAGRAM TO MAIN TROUBLESHOOTING FLOW CHART INSTALL FORMATED UNWRITE PROTECTED DISC SEE FIGURE ABOVE IS FORMATED UNWRITE PROTECTED DISC IN DISC RDE CHECK CABLES TO DISC DRIVE e 2 8 o gt a gt t a o m a ARE CABLES OK REPLACE CABLE SWAP DISC DRIVES AND REBOOT THE SYSTEM DID THE FAILURE MOVE WITH THE DISC DRIVE REPLACE FAILED DISC DRIVE REPLACE CPU BOARD Figure 6 26 Disc Drive Troubleshooting Flow Chart 6 26 HP 16500 Service RS 232 C TROUBLESHOOTING FLOW CHART ROM Test sletus PASSED RAM Test status PASSED
73. lled oscillator volt dc vertical voltage filtered versus watts with without wirewound transistor zener degree Celsius Centigrade degree Fahrenheit degree Kelvin 5 3 HP 16500A Replaceable Parts A4 FRONT DISC DRIVE A8 COLOR MODULE A6 LOW VOLTAGE POWER SUPPLY W6 MODULE POWER CABLE F1 FUSE A3 CPU BOARD A5 REAR DISC DRIVE B1 FAN A3 CPU BOARD A1 MOTHERBOARD A7 ROTARY PULSE GENERATOR UNDER FRONT PANEL W1 MOTHERBOARD TO FRONT PANEL CABLE W5 COLOR MODULE CONTROL CAB LE 2 CPU TO MODULE CABLE W3 DISC DRIVE CABLE A2 FRONT PANEL BOARD Figure 5 1 Electrical Assembly Identification Reference HP Part Designation Number 16500 66501 16500 66502 16500 69502 16500 66503 16500 69503 0950 1798 0950 1798 0950 1853 0960 0753 2090 0092 3160 0377 3160 0377 2110 0010 2110 0395 16500 61601 16500 61602 16500 61603 16500 61604 16500 61605 16500 61606 8120 1521 Q NN WODOO o Table 5 2 Replaceable Parts Description BD ASSY MOTHER BD ASSY FRONT PANEL BD ASSY FRONT PANEL BD ASSY CPU BD ASSEMBLY CPU REBUILT FRONT DISC DRIVE REAR DISC DRIVE ASSY LOW VOLTAGE POWER SUPPLY ASSY ROTARY PULSE GENERATOR ASSY COLOR CRT MODULE 122 CFM 9 5 14VDC FAN TBAX 122 CFM 9 5 14VDC FUSE 5 AMP FOR 230VAC OPERATION FUSE 10AMP FOR 115VAC OPERATION CABLE ASSY MOT
74. ller serializes the the eight bit data and transmitts it to the devices on the link In the read mode the data is fed to the interface controller in serial format and to the microprocessor in parallel format The display RAM consists of eight 64K by 4 5 and one four bit shift register for each RAM Each RAM and shift register pair represents one color plane in the display sys tem The output of the color palette is an analog voltage of O V to 1 0 V for each of the primary colors Red Blue Green and is fed to the color module HP 16500 Service The HP 16500A interfaces to HP IB as defined by IEEE Standard 488 2 The interface consists of two octal transceivers and an HP IB controller The controller relieves the microprocessor of the task of maintaining HP IB protocol The two transceivers provide data and control sig nal transfer between the bus and the controller The HP 16500A mainframe RS 232 C interface is compatable with standard RS 232 C proto cal The interface consists of a controller an input and an output buffer The controller serializes parallel data from the microprocessor for transmission In the receive mode the controller converts incoming serial data to parallel data for the processor The controller also generates all the different baud rates and formats available with the mainframe The input and output buffers trans fer data and control signals to and from the RS 232 C communication lines
75. load the Test System see figure 4 3 WARNING TEST SYSTEM IS LOADED OVER Touch box to Load Test System Figure 4 3 Loading the Test System 4 After the Test System has been loaded from the disc the Test Configuration will be displayed see figure 4 4 Test System Configuretion Controller RS 232C Printer Figure 4 4 Test System Configuration 4 3 HP 16500A Adjustments 5 Touch the Test System field and select Mainframe Test from pop up menu see figure 4 5 Test Systes TT Test System Cer BT TEES RES Printer Figure 4 5 Selecting Mainframe Test menu 6 Mainframe Test menu is now displayed see figure 4 6 Select the Color Display Test field to call up the white cross hatch test pattern the first test pattern in the system see figure 4 7 Mainframe Test Disc Test status UNTESTED Rom Test UNTESTED status Intermodule Monitor Test status UNTESTED Rem Test UNTESTED status HP IB Test status UNTESTED Color Display Test status ESTED RS 232C Test stetus UNTESTED HIL Test 41 System UNTESTED status UNTI status Figure 4 6 Mainframe Test Menu 4 4 HP 16500 Adjustments 7 With every touch of the Continue field the next test pattern will be displayed see figure 4 7 Figure 4 7 Selecting the Test Patterns When Continue is select
76. n service and repair of the instrument Failure to comply with these precautions or with specific warn ings elsewhere in this manual violates safety standards of design manufacture and in tended use of this instrument Hewlett Packard assumes no liability for the customers failure to comply with these safety requirements 1 4 PRODUCT DESCRIPTION The HP Model 16500 is the mainframe of the logic analysis system It is of modular structure using plug in cards with a wide range of data aquisition and stimulus cards This allows the user to configure the system with only the necessary modules for a particular application Some of the key features of the HP 16500A are Modular mainframe with five card slots 8 Nine inch color monitor The touchscreen user interface Dual 3 5 inch floppy disc drives Intermodule triggering and time correlation of aquired data HP IB and RS 232 C Interfaces for hardcopy output to a printer or controller interface 1 5 ACCESSORIES SUPPLIED The following accessories are supplied with the HP Model 16500 1 Power cord 1 Operating and Reference manual set 1 Service manual Rear panel filler panels depending on how many modules are ordered with HP Model 16500A 1 Operating System Disc 1 Blank Disc 1 6 ACCESSORIES AVAILABLE The following optional accessories are avail able for the HP Model 165004 HP 46060A Mouse HP 16510A State Timing Analyzer HP 16515A 16516A
77. n the replaceable parts table quote the Hewlett Packard part number check digit indicate the quantity required and address the order to the nearest Hewlett Packard office To order a part that is not listed in the replace able parts table include the instrument model number instrument serial number the descrip tion and function of the part and quantity of parts required Address the order to the nearest Hewlett Packard office 5 1 HP 16500 Replaceable Parts 5 6 DIRECT MAIL ORDER SYSTEM Within the USA Hewlett Packard can supply parts through a direct mail order system Advantages of using the system are as follows a Direct ordering and shipment from Hewlett Packard Parts Center in Mountain View California b No maximum or minimum on any mail order there is a minimum order amount for parts ordered through lo 5 2 cal Hewlett Packard offices when or ders 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 accompany each order Mail order forms and specific ordering infor mation are available through your local Hewlett Packard offices HP 16500 Replaceable Parts Table 5 1 Reference Designators and Abbreviations REFERENCE DESIGNATORS sassembly fan motor battery capacitor diode diode thyristor varactor delay line annunciator lamp L
78. ntact your nearest Hewlett Packard Sales and Service Office Addresses provided at the back of this manual 5 4 SAFETY CONSIDERATIONS GENERAL This is a Safety Class instrument provided with terminal for protective earthing OPERATION BEFORE APPLYING POWER verify that the power transformer primary is matched to the available line voltage the correct fuse is installed and Safety Precautions are taken see the following warnings In addition note the instrument s external markings which are described under Safety Symbols WARNING oServicing instructions are for use by service trained personnel avold dangerous electric shock do not perform any servicing unless qualified to do so oBEFORE SWITCHING ON THE INSTRUMENT the protective earth terminal of the Instrument must be connected to the protective conductor of the mains powercord The mains plug shall only be inserted in a socket outlet provided with a protective earth contact The protective action must not be negated the use of an extension power cable without protective conductor grounding Grounding one conductor of a two conductor outlet is not sufficient protection olf this instrument 1 to energized via auto transformer for voltage reduction make sure the common terminal is connected to the earth terminal of the power source interruption of the protective grounding conductor inside or
79. o roll the dis play Rolling the display means scrolling through information on screen 2 11 The HP Mouse The HP Mouse is an optional user interface accessory HP Model 46060A The HP mouse functions in the same way as the Touchscreen and the Knob Moving it about on a hard flat surface will move the cursor over the entire screen To select a field connect the mouse to the front panel HIL connector and move the HP Mouse until the cursor rests in the desired field Press the left button to complete the selection of the field To duplicate the Knob function press and hold the right button of the HP Mouse and move it over the desktop When the correct numerical value or the cor rect function has been selected stop moving the HP Mouse and release the right button For complete operating information refer to the HP 16500A and module operating manuals 2 12 HP IB INTERFACING The Hewlett Packard Interface Bus HP 1B is Hewlett Packard s implementation of IEEE Standard 488 1978 Standard Digital Interface for Programmable Instrumentation HP IB is a carefully defined interface that simplifies the in tegration of various instruments and com puters into systems The interface makes it possible to transfer messages between two or more HP IB compatible devices HP IB is a parallel bus of 16 active signal lines divided into three functional groups according to function Eight signal lines called data lines are in the fir
80. ory OBGrallOn 6 1 6 5 System Overview dee aua Vu etas 6 3 6 6 Microprocessor Board Theory 6 5 POWER UD 6 6 6 8 Mainframe Test System S PRA EY ce es ev na 6 7 6 9 Troubleshooting Sev EDU SE EE EET MES 6 16 610 Hebalf Era uve Ced xe adul 6 29 6 11 Power Supply 6 30 6 12 Microprocessor Board Replacement 6 33 6 13 Mother Board Replacement 6 35 6 14 Front Panel Board Replacement 6 37 6 15 Display Module Replacement 55565 6 39 6 16 Front Disc 252545545 to RES ve 6 44 6 17 Rear Disc Drive Replacement 6 45 6 18 Cooling Fan Replacement 6 46 6 1 INTRODUCTION This section provides troubleshooting informa tion to the assembly level assembly removal and replacement instructions and block diagram level theory of operation 6 2 SAFETY CONSIDERATIONS The HP Model 16500A has been des
81. perform the tests Before performing any tests install the RS 232 C loop back connector the system disc and the formated disc in the other disc drive Also remove all optional boards from the mainframe HP16500A 00 00 Software Version Identification Tests being performed After all Tests pass the operating system is loaded Figure 6 17 HP 16500A Power up Test Screen 6 16 HP 16500 Service Main Troubleshooting Flow Chart PRETEST CHECK LIST 1 Are optional boards removed from the maintrame 2 Is an operating disc installed in one disc drive 3 is a formated unwrite protected disc Installed in the other drive START 4 Is the RS 232 C loopback connector installed APPLY POWER IS COMPLETE POWER UP SCREEN DISPLAYED NO GO TO COLOR MODULE TROUBLESHOOTING FLOW CHART GO TO SYSTEM BOOT YES TROUBLESHOOTING FLOW CHART mo IS SYSTEM CONF IGURAT ION MENU DISPLAYED ALL TESTS PASS NO CA RESTART TEST T ves YES 5 2 ROM RAM g INTERRUPT NO ACCESS HIL CONTROLLER REPLACE CPU BOARD MAINFRAME TEST SYSTEM SEE PARAGRAPH 6 8 M OF THIS SECTION 5 Y ES 16500 1801 z NO FRONT PANEL amp TOUCHSCREEN TESTS PASS Test orit HIL TROUBLESHOOTING FLOW CHART YES Test Disc Test status FAILED status PASTED Ran Test Intermogule Test 18145 FAILED j status PASSED
82. r this product must be returned to a service facility designated by HP Buyer shall prepay shipping charges to HP and HP shall pay shipping charges to return the product to Buyer However Buyer shall pay all shipping charges duties and taxes for products returned to HP from another country HP warrants that its software and firmware designated by HP for use 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 unauthorized modification or misuse operation outside the environmental specifications for the product or improper site preparation or maintenance NO OTHER WARRANTY IS EXPRESSED OR IMPLIED SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES THE REMEDIES PROVIDED HEREIN ARE BUYER S SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER BASED ON CONTRACT TORT OR ANY OTHER LEGAL THEORY ASSISTANCE Product maintenance agreements and other customer assistance agreements are available for Hewlett Packard products For any assistance co
83. re for the top mounting screws VIEW OF MAINFRAME BOTTOM VIEW OF MAINFRAME REMOVE 2nd 3rd 6th REMOVE THE 1st 2nd 5th AND 7th MOUNTING SCREW AND 6th MOUNTING SCREW 1st 2nd 2nd 3rd 5th eth 6th Figure 6 42 Front Panel Mounting Screws Identification d Remove the front panel and shicld by pushing on the panel from the inside of the instrument e Disconnect the module cable from the microprocessor board and module power cable from the power supply Set instrument on its bottom side With a Torx T 10 driver remove the modules rear mounting bracket screws see figure 6 43 6 39 HP 16500 Service MODULE BRACKET SCREWS Figure 6 43 Module Bracket Mounting Hardware 0 Remove the three module mounting screws from top and boltom front casting total of 6 SCrews h Push the sheet metal nut on the center board guide ears upward so that the display module can clear the mainframe see figure 6 44 CARD CAGE GUIDE POSITION HARDWARE SO THAT COLOR MODULE AND CABLES CLEAR MAINFRAME Figure 6 44 Center Board Guide Hardware i Slide the complete module assembly forward out of the mainframe To prevent damage to the module cables ensure that they also clear the frame 6 40 HP 16500 Service Preparing the Module for Reinstallation The purpose of this procedure is to remove the mechanical parts that are needed by the new module from the old module Set the display module
84. rief description of each remaining mainframe test The tests are accessed and per formed in the same manner as the ROM Test If any tests fail refer to the troubleshooting para graph in this section RAM Test This test checks the mainframe RAM The test performs a non destructive pattern write read at every location The initial RAM contents are restored after the test HP IB Test The HP IB Test checks the basic interface functions of the HP IB port Only the internal portions of the port circuitry is tested RS 232C Test This test checks the basic interface functions of the RS 232 C port Both internal and external por tions of the port circuitry are tested In order for the external loop back test to pass the RS 232 C loopback connector must be instal led on the microprocessor board rear panel HIL Test The HIL Test consists of three parts the HIL controller test the front panel test and the touchscreen test All three tests return a pass fail message This test cannot be run repetitively Every time the Run field is touched the HIL test sequence is repeated The test results are dis played in the same manner as the other tests Disc Test This test checks both disc drives The test checks for the correct disc format and the system s ability to read from and write to a test track on both discs The test will fail if a formated disc is not installed in both disc drives or if the write protect on the disc itself is engaged
85. st functional group The data lines are used to transmit data in coded messages These messages are used to program the instrument function transfer measurement data and coordinate instrument operation Input and output of all messages in bit parallel byte serial form are also transferred on the data lines A 7 bit ASCII code normally represents each piece of data Data is transferred by means of an interlocking handshake technique which permits data transfer asynchronously at the rate of the slowest active device used in that transfer The data byte control lines coordinate the hand shaking and form the second functional group The remaining five general interface manage ment lines third functional group are used to manage the devices connected to the HP IB This includes activating all connected devices at once clearing the interface and other operations The connections to the HP IB connector on the rear panel are shown in figure 2 4 HP 16500 Installation D105 2192 2 14 0108 pies 16 0108 EOI 5 REN P O TWISTED PAIR WITH 8 NRFD P O TWISTED PAIR WITH 7 P O TWISTED PAIR WITH 8 SHOULD BE GROUNDED 7 NDAC UNDED NEAR TERMINATION IFC 8CL 9 P O TWISTED PAIR WITH 9 OTHER WIRE OF TWISTED PAIR SRO 18 22 P O TWISTED PAIR WITH 18 ATN MRE P O TWISTED PAIR WITH 11 SHIELD SIGNAL GROUND TYPE 57 MICRORIBBON CONNECTOR Figur
86. strument is still functional if the touchscreen fails and a mouse is used To obtain true touchscreen test results disconnect the mouse before performing the test FRONT REAR DISC TEST The Disc Tests consists of identifying the for mat of each disc If the disc cannot be iden tifyed the test is considered to have failed for that disc drive If no disc can be detected the message no disc is displayed instead of the usual pass fail message 6 8 MAINFRAME TEST SYSTEM The Mainframe Test System allows the testing of portions of the microprocessor board includ ing the system peripheral interfaces the disc drives and the color module The test software for the mainframe and each optional module is included on each system disc ACCESSING THE MAINFRAME TEST SYSTEM HP 16500 Service It is recommended that the test system for each module and the mainframe be copied to a separate disc Also whenever the test system is loaded into memory the normal system is overwritten in cluding all setups or aquired data for the op tional modules To preserve that information store it onto a disc before beginning any selftests Use the following procedures to access the Mainframe Test System a Cycle power to obtain System Configuration see figure 6 3 RS 232C Figure 6 3 System Configuration b Touch Configuration field and the Test field from the pop up menu see figure 6 4 Figure 6 4 Access
87. ts b Touch the Continue field The white raster pattern is now displayed With every touch of the Continue field the next color test pattern will be displayed see figure 6 9 Figure 6 9 Selecting the Color Display Test Patterns Touch Continue from the black raster pattern to redisplay the Mainframe Test menu Notice that the Display Test status has changed from UNTESTED to TESTED 6 10 16500 Service PERFORMING THE MAINFRAME TESTS Only the ROM Test will be described in detail since all tests are accessed and performed in the same manner A description of the remainder of the mainframe tests is provided at the end of the ROM Test procedure To perform the mainframe tests follow the procedure outlined below ROM Test This test checks the Mainframe ROMs The test computes a checksum for the ROM and compares it to a stored value a Display the Mainframe Test menu see figure 6 10 Mainframe Test Rom Test UNTESTED Disc Test status status UNTESTED Intermodule Monitor Test status UNTESTED Ram Test UNTESTED status HP IB Test status UNTESTED Color Display Test status UNTESTED RS 232C Test status UNTESTED HIL Test UNTESTED All System Tests status status UNTESTED Figure 6 10 Mainframe Test Menu b Touch the ROM Test field The ROM Test screen will be displayed figure 6 11 Mainfreme Test Run ROM Test
88. xe D d 4 10 Magnet Centering ee 4 13 Purity Magnet Adjustment Raster 4 14 Landing and Purity Adjustment lt i dissec ere ak RE Rae RA Rn E 4 15 Static CONVEIQCNCE Eier oct Ie PES Cu COR coa M 4 16 Y BOW AdJjUSImeblL i ocn cues Quis 4 17 Y BOW CROSS Adjustment ue ed Peace 4 17 V STAT TOP AdIUSITIBDE tenet hated vaccae te ri pda a tates 4 18 V STAT BOTTOM Adjustment ETE T Ra A DA OE n 4 18 HAMP Adjustmenl E E ERI CER d xe 4 19 H TILT Adjustment p 4 19 Electrical Assembly Identification 5 4 Chassis Parts Identification oos orien oO eee cux Vk ies 5 6 System OVSIVIGW Sein sven Sete 6 2 Microprocessor Block Diagram 6 4 System GCOBFHOGUFallOft aes 6 7 Accessing the Test System 6 7 Loading the Test System Software 6 8 Test System Configuration Fox Re E UIN EE OO dd 6 8 Mainframe Test Ment bra Resa aa o ER SQ 6 8 AI SVSIBIm TeSt oce RUN EC E 6 9 Selecting the Color Display T
89. y to degause the CRT using a conventional external television ty pe degaussing coil During any of the following adjustments the CRT module must face west Equipment Required Non metallic Adjustment HP Part Number 8710 1355 Procedure NOTE The following adjustments are broken down in adjustment groups The Adjustment group sequence must be followed due to interac tion and dependency The adjustment group sequence is shown in the adjustment flow diagram in figure 4 1 There will be cases where not all the adjustment groups will be used For example if the Geometry Adjustment Group corrects the problem this will be the only group used 4 7 HP 16500 Adjustments IF CRT ADJUSTMENTS ARE REQUIRED PERFORM GEOMETERY ADJUSTMENT PERFORM LANDING ADJUSTMENT PERFORM CONVERGENCE ADJUSTMENTS IS WHITE BALANCE PERFORM WHITE BALANCE ADJUSTMENTS Figure 4 11 CRT Module Adjustment Flow Diagram 4 8 HP 16500 Adjustments Geometry Adjustments From the Mainframe Test System select the Display Test menu Select the white cross hatch test pattern Refer to paragraph 4 8 this section for accessing the test patterns Preset front panel BACKGROUND control to mechanical center Preset front panel BRIGHTNESS control to maximum Preset H SUB SHIFT RVOO6 and V SUB SHIFT 8 located on bottom PC board to mechanical center Usin

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