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HP 16500A/16501A Logic Analysis System Service Manual

1. 2 12 2 16 Storage and Shipiment oat ee t tege oppo db es 2 12 2 17 Packaging certe t tc te ee eb es DEI EE ENABLE Ue ORE eade 2 12 2 18 Tagging for 2 12 2 19 Cleaning 2 12 2 20 HP 16501A Expansion Frame 2 13 2 1 Introduction This section contains information and instructions necessary for setting up the HP 16500A 16501A Logic Analysis System This includes inspection procedures power requirements hardware connections and configurations and packaging information 2 2 Safety Considerations The safety symbols used with Hewlett Packard instruments are illustrated in the front of this manual WARNING and CAUTION symbols and instructions should be reviewed before operating the instrument These warnings 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 contents 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 Accessories Supplied in sec
2. Figure 6 33 Power Supply Pins 16500E40 6 39 16500A 16501A Service Interface Troubleshooting Procedure Description The Interface Troubleshooting Procedure is used during troubleshooting to isolate a failed interface component the mainframe interface card the interface cable or the expansion interface card The Expander Test in the performance verification software generates known bit patterns across the data and address lines of the interface and generates a walking 0 pattern on the strobe lines Isolation is done by using a state analyzer to check these bit patterns at specific locations on the interface cards Equipment Required State eon cat ee eee HP 1651B 20 pin DIP clip qty 3 Performance Verification Test Disk Troubleshooting Considerations For the mainframe to recognize the mainframe interface card use an operating system disk version V04 00 or greater Verify that the mainframe interface card and expansion interface card are firmly seated and that the interface cable is firmly connected To check the correct installation of the interface cable refer to section 2 20 HP 16501A Expansion Frame Installation Procedure 1 Inthe HP 1651B System Configuration menu assign the analyzer to Type State Then assign Pod 1 and Pod 2 to Machine 1 6 40 16500A 16501A Service 2 Inthe 1651B For
3. 4 13 4 16 Purity Magnet Adjustment Raster 2 4 14 4 17 Landing and Purity Adjustment Guide sse nennen 4 15 4 18 Static Golivergence be term a Were t Pe pee gie eie EUR rede 4 16 4 19 Y BOW AdqJj stimieht 4 17 4 20 Y BOW CROSS 4 17 4 21 V STAT TOP 4 18 4 22 V STAT BOTTOM 077 4 18 4 23 C aee 4 19 4 24 H TIET AdjJustmernt too edente rl 4 19 5 1 16500 Assembly Pans uuu l l ier e mte HP pad das 5 4 5 2 HP 165004 Chassis 5 6 5 3 16501 5 10 5 4 EIP 16501A Chassis netten ete ettet 5 12 6 1 HP 16500A 16501A System Overview 6 2 6 2 Microprocessor Block 6 4 6 3 System 6 8 6 4 Accessing the Test System 6 9 6 5 Loading the Test System
4. 16580525 Figure 5 1 EN XS 555252555550 PARTS 7 97 67 97 07 07 6 SHOWN F1 w we W3 5 W7 FUSE 5 AMP FOR 2 FUSE 10 AMP FOR CABLE MOTHER BOA 30VAC OPERATION 115VAC OPERATION RD TO FRONT PANEL CABLE CPU TO COLOR MODULE CABLE CPU TO DIS CABLE FAN POWER CABLE FRONT PANE CABLE POWER SUPP POWER CORD K DRIVES L TO COLOR MODULE LY TO COLOR MODULE HP 16500A Assembly Parts HP 16500A 16501A Replaceable Parts Table 5 2 HP 16500A Replaceable Parts Reference HP Part Designator Number CD QTY Description HP 16500A EXCHANGE ASSEMBLIES A2 16500 69502 5 BOARD ASSEMBLY FRONT PANEL EXCHANGE A3 16500 69503 6 BOARD ASSEMBLY MICROPROCESSOR EXCHANGE VER 00 00 ROM 16500 69507 0 BOARD ASSEMBLY MICROPROCESSOR EXCHANGE VER 00 02 ROM A4 5080 8600 7 FRONT DISK DRIVE EXCHANGE AS 5080 8600 7 REAR DISK DRIVE EXCHANGE A6 16500 69500 3 LOW VOLTAGE POWER SUPPLY ASSEMBLY EXCHANGE HP 16500A ELECTRICAL ASSEMBLIES Al 16500 66501 8 1 BOARD ASSEMBLY MOTHER A2 16500 66502 9 1 BOARD ASSEMBLY FRONT PANEL A3 16500 66503 0 1 BOARD ASSEMBLY MICROPROCESSOR VER 00 00 ROM 16500 66507 4 1 BOARD ASSEMBLY MICROPROCESSOR VER 00 02 ROM A4 0950 1798 0 2 FRONT DISK DRIVE AS 0950 1798 0 REAR DISK DRIVE A6 0950 1853 8 1 LOW VOLTAGE POW
5. 6 9 6 6 Test System 6 10 6 7 Mainframe 6 10 6 8 TeSt M 6 11 6 9 Selecting the Color Display Patterns 6 12 6 10 Mainframe Test Meni uuu 6 13 6 11 Test SCreeli bt S 6 13 6 12 Choosing the Single or Repetitive Mode 6 14 6 13 ROM Test with Test 6 14 6 14 Exiting the Mainframe Test System 6 15 6 15 Exiting Test Configuration 6 15 6 16 Reloading the Mainframe System sse 6 16 6 17 Troubleshooting Flowchart itr e et eter pe ge reser 6 20 6 18 Troubleshooting Flowchart 2 6 21 6 19 Troubleshooting Flowcliart 37 iis eee oem BIO 6 22 6 20 Troubleshooting Flowchart continued 6 23 6 21 Troubleshooting Flowchart 4 6 24 6 22 Troubleshooting 6 25 6 23 Troubleshooting Flowchart 6 6 26 6 24 Troubleshooting Flow
6. 2 9 Reference Designator and Abbreviations 2 5 3 16500A Replaceable 5 5 HP 16501A Replaceable 5 11 Cable Pin 6 34 Power Supply VellageS iden nti eet ln iy 6 38 Replaceable Assemblies 6 46 Title Page Dimensional Detail 1 6 Line Voltage 2 2 Power Cord Configurations 2 3 HP 16500A User Interface Devices 4 884000 2 4 Interface Connector ta tpa desta tab depre dn np tina 2 5 System Configuration 2 6 HP IB Configuration 2 6 HP IB Configuration with 2 7 System Configuration Menu 2 10 RS 232C Configuration Menu 2 10 Baud Rate POMU MONU oe vitu ge deed isa 2 11 C C C
7. eec e e De PAR n e Rc d He 6 47 6 11 Power Supply 6 48 6 12 Mother Board 6 50 6 13 Rear Fan Replacement u a tet 6 52 6 14 Side Fan Replacement 6 54 6 15 Rear Disk Drive Replacement 6 56 6 16 Front Disk Drive 6 58 6 17 Microprocessor Board 6 60 6 18 Front Panel Board Replacement 6 62 6 19 Color Display Module 1 6 64 6 20 Expansion Interface Board Replacement 6 70 6 21 Mainframe Interface Board Replacement 2 ene 6 72 5 1 5 2 5 3 6 1 6 2 6 3 1 1 2 1 2 2 2 3 2 4 2 5 2 6 2 7 2 8 2 9 2 10 2 11 2 12 2 13 2 14 4 1 4 3 4 4 4 6 4 7 4 8 4 9 HP 16500A 16501A Contents LIST OF TABLES Title Page Operating Characteristics gua Su au au qq Su uda 1 4 Recommended Test Equipment 1 7 16500 HP IB FUNCIONS VAS etre rote Je ee sak 2 8 RS 232C Signal
8. 2 1 2 6 Line Voltage Selection 2 1 2 7 Power obti tei tet ED IRE TOT E HERE CS 2 2 2 8 ser Interface 2 4 2 9 HP IB Intertacing A aa 2 5 2 10 HP IB Address Selection 2 5 271 1 HP IB Interface Functions erat anie 2 8 2 12 RS 2320 InterfaGe decedit ede a 2 8 2 13 Baud Rate 2 10 2 14 Degaussing the Display 2 12 2 15 Operating Environment et t E LE ELE 2 12 2 16 Storage and 2 12 det tto dete bte mies d ut At duties 2 12 2 18 Tagging for Service u u eee 2 12 2 19 Cleaning Requirements aS 2 12 2 20 16501A Expansion Frame Installation 2 2 13 Section Ill Performance Tests Page 351 Introd ctlOn oct d eee t EP avertat bes e there 3 1 16500 16501 Contents Section IV Adjustments Page oh Sun wai a uteris fiuit 4 1 42 Degaussing the Display bee hig RE 4
9. REPLACE COLOR MODULE Troubleshooting Flowchart 3 GO TO SYSTEM START FLOWCHART 5 REPLACE TAPE GO TO MAIN FLOWCHART Y ADJUST FRONT PANEL BRIGHTNESS AND BACKGROUND CONTROLS FLOWCHART 3 CONTINUED Is THERE ANY CHANGE IN DISPLAY 2 M0 I YES REMOVE BOTTOM COVER CHECK FRONT PANEL CABLES CONNECT OR REPLACE CABLES 6 22 Figure 6 19 Troubleshooting Flowchart 3 16500 02 1 16500A 16501A Service 16500 16501 Color Module Flowchart continued Troubleshooting Flowchart 3 continued FROM COLOR MODULE FLOWCHART 3 B REMOVE TOP COVER AND CHECK POWER SUPPLY LEDS SEE PAGE 6 36 15 POWER SUPPLY OK 7 POWER SUPPLY FLOWCHART 7 GO TO MAIN FLOWCHART 1 Y 128V LED ON 120V CABLE AT TO REPLACE POWER SUPPLY NC NES CABLE CHECK REPLACE gt VIDEO SIGNALS POWER SUPPLY PAGE 6 34 ARE CHECK VIDEO SIGNALS CABLE PRESENT FOR CONTINUITY YES REPLACE REPLACE YES MICROPROCESSOR gt COLOR VODULE BOARD REPLACE CABLE 16500712 Figure 6 20 Troubleshooting Flowchart 3 continued 6 23 16500A 16501A Service 16500
10. V 2 13 12 9 ua 2 14 Endplate Qverla pimai iti e e E M 2 15 System Configuration Menu 2 16 System Configuration Menu 4 2 Accessing the Test System _ _ ____ _ _ ____ __ ____ 4 2 Loading the Test Systelm ee 4 3 Test System 4 3 Selecting Mainframe 4 4 Mainframe Test 4 4 Selecting the Test Patterns 4 5 Exiting Mainframe Test 4 5 Exiting Test System 4 6 xi 16500 16501 Contents Title Page 4 10 System Configuration up tenia tbt edente 4 6 4 11 CRT Module Adjustment Flow Diagram 4 8 4 12 PIN AMP AGSIN a eiie eet EE te P RE e ee 4 9 4 13 Bottom Rail Removal 4 10 4 14 PIN PHASE Adj stment 1 2 e etr dec ec edo p Ir erp 4 11 4 15 Purity Magnet Centering
11. ON POWER SUPPLY EN ais IS SHUT DOWN IS ON Figure 6 32 Power Supply Check 12 V DC IS PRESENT 6 37 16500A 16501A Service Power Supply Voltages Check the power supply voltages for indications of power supply problems 1 Turn off the instrument disconnect the power cord then remove the top cover 2 Using a DVM measure the power supply voltages Use figure 6 33 for power supply pin assignments and use table 6 2 for voltages 3 Return to the power supply flowchart Table 6 2 Power Supply Voltages Pin Supply Signal Voltage Power Supply To Mother Board Connector 1 5 5 volt 5 6 5 5 7 9 3 5 3 5 10 3 5 volt remote sense 3 5 11 12 volt 12 V 12 12 volt 12V 13 Not connected 14 20 Ground OV 21 Ground sense OV 22 Power valid 5 V 23 3 25 volt remote sense 3 25 24 30 3 25 3 25 31 5 2 volt current limit 2 5 V 32 5 2 volt remote sense 5 2 V 33 37 5 2 volt 5 2 V 38 Remote on off 12 V 6 38 16500A 16501A Service FRONT OF INSTRUMENT PIN 1 PIN 38 1
12. 92 9 9 0 0 95 4 BOTTOM VIEW OF FRAME o 0 Oo 8 O o Oo WY 2 Figure 6 46 Front Panel Board Replacement 16500A 16501A Service 6 19 Color Display Module Replacement The color display module replacement procedure consists of three sections Removing the module from the mainframe Transferring parts to the replacement module Installing the module in the mainframe When necessary refer to other removal procedures HP 16500A Removing the Color Display Module from the Mainframe 1 6 64 Remove the power cord all covers and the front panel assembly To remove the covers refer to section 6 10 Cover Removal To remove the front panel assembly refer to section 6 18 Front Panel Board Replacement Disconnect the color display to microprocessor cable from the microprocessor board Disconnect the color display to power supply cable from the power supply Remove the screws that connect the rear mounting bracket on the display module to the side of the mainframe Remove the screws that connect the color display to the top and bottom of the front frame Remove the screws that connect the center board guide to the front frame Move the sheet metal nuts located on the center board guide so that the display module can clear the mainframe Slide the complete color display module assembly for
13. DO MAINF RAME TESTS PASS MAINFRAME TESTS FLOWCHART 6 16500 16500101 Figure 6 17 Troubleshooting Flowchart 1 6 20 16500A 16501A Service 16500 16501 Flowchart Troubleshooting Flowchart 2 FROM MAIN FLOWCHART 1 GO TO MAIN FLOWCHART 1 Is Is MAINFRAME RESEAT MAINFRAME REPLACE INTER TARE P MAINFRAME INTERFACE TRIER AGENT bx MAINFRAME INTERFACE CONF IGURAT ION CARD CONF IGURAT ION CARD MENU MENU YES IN SYSTEM CONFIGURATION MENU SELECT EXPANSION FRAME CONF IGURAT ION ARE ALL ALL GO TO OPTIONAL MODULES OPTIONAL MODULES EXPANSION FRAME RECOGNIZED UNRECOGNIZED FLOWCHART 12 IN 15 SYSTEM CONFIGURATION CHECK CURRENT MENU FOR CPU BOARD CPU BOARD SELECT CURRENT CPU BOARD INSTALLED MAINFRAME CONF IGURATION RESEAJ MODULES MATN EE FOR CORRECT SOFTWARE REPLACE FAULTY MODULES 16500T13 Figure 6 18 Troubleshooting Flowchart 2 6 21 16500A 16501A Service 16500A 16501A Color Module Flowchart FROM MAIN FLOWCHART 1 Is SCREEN COMPLETELY BLANK REMOVE TOP COVER CHECK TAPE ON POWER SUPPLY SEE FIGURE 6 32 IS THE TAPE OK DISCONNECT CABLE FROM POWER SUPPLY
14. TO FRONT PANEL BOARD TO HP IB CONNECTOR DISPLAY RAM COLOR PALETTE CRT CONTROL TO RS 232C CONNECTOR SYNC TO COLOR MODULE DATA BUS MICRO PROCESSOR 68000 I uP gt INTERRUPT PERIPHERAL CONTROL DMUX 1 1 SYSTEM ROM amp ADDRESS BUS 1 PERIPHERAL RESET CONTROL DECODER l DISK DRIVE INTERFACE RED GREEN BLUE gt TO DISK DRIVES ADDRESS BUS MODULE INTERFACE INTERMODULE BUS MONITOR DATA MODULE SELECT ADDRESS 16500804 MODULE THROUGH MOTHER BOARD Figure 6 2 Microprocessor Block Diagram 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 selected by the microprocessor through the peripheral demultiplexer and peripheral decoder Using the three most significant microprocessor address bits the peripheral decoder selects the system ROM and RAM the display RAM and the module interface The peripheral demultiplexers select the HIL interface the HP IB and RS 232C interfaces the color palette and the disk drive interface
15. BT CR DL DS A D AC ADJ AL AMPL ANLG ANSI ASSY ASTIG ASYN CHRO ATTEN AWG BAL BCD BD BFR BIN BRDG BSHG BW CAL cc CCW CER CFM CH CHAM CHAN CHAR CMOS CMR CNDCT CNTR CON CONT CRT cw D A DAC DARL DAT DBL DBM DC DCDR DEG DEMUX DET DIA DIP DIV DMA DPDT DRC DRVR assembly fan motor battery capacitor diode diode thyristor varactor delay line annunciator lamp LED misc electrical part amperes analog to digital alternating current adjust ment aluminum amplifier analog National Standards Institute assembly astigmatism asynchronous attenuator American wire gauge balance binary code decimal board buffer binary bridge bushing bandwidth ceramic cermet resistor Calibrate calibration carbon composition counterclockwise ceramic cubic feet minute choke chamfered channel character centimeter complementary metal oxide semiconductor common mode rejec tion conductor counter connector contac cathode ray tube clockwise diameter digital to analog digital to analog converter darlington data double decibel referenced to 1mW direct current decoder degree demultiplexer detector diameter dual in line package division direct memory access double pole double throw DAC refresh controller
16. 16500 04102 5 1 COVER 14 16500 04701 0 1 STRUT MOTHER BOARD MP15 16500 23101 4 1 CARD GUIDE SIDE MP16 16500 23102 5 1 CARD GUIDE CENTER MP17 16500 42201 5 1 TOUCHSCREEN BEZEL MP18 16500 42502 9 11 CONTROL KNOB MP19 16500 45401 3 1 INSULATOR FRONT PANEL BOARD MP20 16500 61202 6 1 POWER SUPPLY COVER REAR PANEL MP21 5001 0541 3 2 SIDE TRIM FRONT FRAME MP22 5021 8407 8 1 23 5021 5808 2 64 24 5021 5837 2 4 STRUT CORNER 25 5041 8801 8 2 FEET FRONT BOTTOM COVER 26 54110 40502 3 4 27 5041 8802 9 1 TOP TRIM STRIP FRAME 28 5041 8822 3 2 29 5041 8819 8 11 5041 8820 1 1 MP31 5062 3704 4 1 STRAP HANDLE MP32 5062 3847 6 1 COVER LEFT SIDE WITH HANDLE MP33 5062 3822 7 1 COVER RIGHT SIDE WITHOUT HANDLE MP34 5062 3747 5 1 COVER BOTTOM MP35 54110 01210 8 1 BRACKET COLOR MODULE REAR MP36 54110 04702 9 1 SUPPORT COLOR MODULE REAR 5 7 16500A 16501A Replaceable Parts Table 5 2 HP 16500A Replaceable Parts continued Reference Designator MP37 MP38 MP39 MP40 MP41 HP Part Number 8160 0551 0590 1868 16500 45402 16500 94307 16500 00604 0515 1245 0510 1253 CD QTY 4 6 18 4 2 5 1 4 1 0 10
17. Description EMI SHIELDING BRAIDED FAN CLIP DISK INSULATOR IDENTIFICATION LABEL SHIELD FRONT DISK DRIVE REPLACEMENT SCREW FOR TOP AND BOTTOM COVERS REPLACEMENT RETAINING RING FOR TOP AND BOTTOM COVERS 5 8 This page intentionally left blank 16500A 16501A Replaceable Parts LX 7 1707 57107 57 57 5 D PARTS NOT SHOWN A2 MAINFRAME INTERFACE BOARD F1 FUSE 5 AMP FOR 23 VAC OPERATION F1 FUSE 10 AMP FOR 115VAC OPERATION W1 CABLE INTERFACE W4 CABLE FAN POWER W5 POWER CORD 16501 04 Figure 5 3 16501 Assembly Parts 5 10 HP 16500A 16501A Replaceable Parts Table 5 3 HP 16501A Replaceable Parts Reference HP Part Designator Number CD QTY Description HP 16501A EXCHANGE ASSEMBLIES A2 16500 69508 1 MAINFRAME INTERFACE BOARD EXCHANGE 4 16500 69500 3 LOW VOLTAGE POWER SUPPLY ASSEMBLY EXCHANGE HP 16501A ELECTRICAL ASSEMBLIES 1 16501 66501 9 1 EXPANSION INTERFACE BOARD A2 16500 66508 5 1 MAINFRAME INTERFACE BOARD 16500 66501 8 1 4 0950 1853 8 1 LOW VOLTAGE POWER SUPPLY ASSEMBLY B1 3160 0429 0 2 FAN TUBEAXIAL 2 3160 0429 0 FAN TUBEAXIAL F1 2110 0010 9 FUSE 5 AMP FOR 230VAC OPERATION F1 2110 0395 3 FUSE 10 AMP FOR 115VAC OPERATION w1 98735 61601 4 1 CABLE ASSEMBLY INTERFACE w2 1650
18. Possible problems causing a fail message include the following A damaged or disconnected disk drive cable Wrong disk formatting or no disk formatting Incorrect position of the address switch on the disk drive A faulty disk drive Faulty microprocessor interface circuitry to the disk drive For Disk Test failures verify the continuity and connection of the disk drive cables and use formatted disks The address switch on each disk drive is set to the correct position when the disk drive is installed at Hewlett Packard A failure will occur if the switch on a replacement disk drive assembly is set to the incorrect position For the correct switch position refer to section 6 16 Front Disk Drive Replacement or to section 6 15 Rear Disk Drive Replacement If the Disk Test still fails after verifying that the previous items are not causing failures refer to section 6 7 Troubleshooting 6 7 16500A 16501A Service 6 6 Mainframe Tests The system Mainframe Tests allow the testing of portions of the microprocessor board including the system peripheral interfaces the disk drives and the color module The self test software for the mainframe and each optional module is included on a composite disk shipped with the mainframe CAUTION Whenever the test system is loaded into memory the normal system is overwritten including all setups or acquired data for the optional modules To preserve that informat
19. With the HP 16500A microprocessor board containing ROM version 00 00 the system memory consists of 64 Kbytes of ROM and 1 Mbyte of RAM With the HP 16500A microprocessor board containing ROM version 00 20 the system memory consists of 64 Kbytes of ROM and 2 5 Mbytes of RAM Stored in ROM is part of the operating system the power up self tests the disk drive instructions and the Human Interface Link HIL driver The Hewlett Packard Human Interface Link HP HIL is the interface between the microprocessor and the front panel board In the write mode the interface controller serializes the 8 bit data and transmits 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 64 K by 4 bit RAMs and one 4 bit shift register for each RAM Each RAM and shift register pair represents one color plane in the display system The output of the color palette is an analog voltage of 0 V to 1 0 V for each of the primary colors Red Blue Green and is fed to the color module HP 16500A 16501A 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 signal transfer between the bus and the
20. driver REFERENCE DESIGNATOR fuse Q filter hardware R electrical connector RT stationary portion jack S coil inductor T misc mechanical part TB electrical connector TP moveable portion plug ABBREVIATIONS DWL dowel ECL emitter ELAS coupled EXT logic F elas external far FD ads metal FEM ilm FF resistor FL carbon FM ilm FR composi FT ion feed FW female FXD flip flop GEN fla GND foam from GP front GRAT gain band GRV width H product HD full wave HDND fixed HG generator HGT ground ed HLCL general HORIZ purpose HP graticule HP IB groove hen HR ries high HV hardware HZ hardened 1 0 mercury IC height ID helical IN horizontal INCL Hewlett INCAND Packard INP Hewlett INTEN Packard INTL Interface INV Bus JFET hour s high volt JKT age K Hertz L input out LB put LCH integrated LCL circuit LED inside di ameter LG inch LI include s LK incandes LKWR cent 18 input LV intensity M internal inverter MACH junction MAX field effect tran sistor jacket transistor SCR triode thyristor resistor thermistor switch jumper transformer terminal board test point kilo 103 low pound atch ight emitting diode long ithium lock lockwasher low power Schottky low voltage mega 106 megohms meter distance machine maximum
21. 16501 Power Up Flowchart Troubleshooting Flowchart 4 FROM MAIN FLOWCHART 1 MAIN FLOWCHART 1 DO ROM RAM INTERRUPT MICROPROCESSOR BOARD gt PASS DO FRONT PANEL TOUCHSCREEN TESTS 80022 ve GAS US 8 PASS GO TO DISK DRIVE FLOWCHART 9 DISK TESTS PASS YES 16500712 Figure 6 21 Troubleshooting Flowchart 4 6 24 16500A 16501A Service HP 16500A 16501A System Start Flowchart Troubleshooting Flowchart 5 FROM MAIN FLOWCHART 1 GO TO MAIN FLOWCHART 1 SYSTEM MODULES REPLACE amp SOFTWARE OPTIONS MICROPROCESSOR BOARD gt LOAD INSTALL THE SYSTEM DISK IN OTHER DISK DRIVE AND POWER UP THE SYSTEM DO GO TO SYSTEM MODULES YES THK EROS ONE DISK DRIVE FLOWCHART 9 LOAD NO REPLACE THE SYSTEM DISK AND POWER UP THE SYSTEM DO SYSTEM MODULES YES amp SOFTWARE OPTIONS gt LOAD REPLACE MICROPROCESSOR BOARD 16500706 Figure 6 22 Troubleshooting Flowchart 5 6 25 16500A 16501A Service HP 16500A 16501A Mainframe Tests Flowchart FROM MAIN FLOWCHART 1 REPLACE ed MICROPROCESSOR BOARD RS 232C FLOWCHART 10 YES GO TO HIL FLOWCHART 8 DOES DISK TEST Bass GO TO DISK DRIVE FLOWCHART 9 YES DOES INTERMODULE TEST GO TO INTERMODULE TEST FLOWCHART 11 PASS YES
22. 2 13 16500 16501 Installation 5 Reposition all cards and filler panels so that the endplates overlap properly 6 Firmly seat the bottom card into the backplane connector of the mainframe Keep applying pressure to the center of the card endplate while tightening the thumb screws finger tight Repeat for all cards and filler panels in a bottom to top order See figure 2 12 Note Any filler panels that are not used should be kept for future use Filler panels must be installed in all unused card slots for correct air circulation BOTTOM CARD EN 16530 EX15 Figure 2 12 Endplate Overlap 2 14 16500A 16501A Installation Note In order to ensure correct insertion the 68 pin D connectors on each end of the interface cable are asymmetric in shape They only fit into their respective ports on the cards when oriented to match the shape of the ports 7 Insert one end of the interface cable into the port located on the mainframe interface card in the HP 16500A Insert the other end of the interface cable into the port located on the expansion interface card in the HP 16501A Note When connecting the interface cable you will hear two clicks Make sure the cable connector is properly seated into the port by pulling the connector without pressing the release tabs If the connector is properly seated it will r
23. RAM Test Intermodule Test PASSED status PASSED status Test Color Display Test status PASSED status UNTESTED RS 232C Test Expander Test status PASSED status UNTESTED HIL Test All System Tests status PASSED status TESTED Figure 6 8 All System Test When the tests are completed the status advisory for each test changes from UNTESTED to either PASSED or FAILED The All System Tests advisory changes from UNTESTED to TESTED Note that the Color Display Test and the Expander Test remain UNTESTED If any test fails refer to section 6 7 Troubleshooting 16500A 16501A Service The Color Display Test The Color Display Test is used to test the display This test is not normally needed These screens are primarily used when the color module requires adjusting For the adjustment procedure refer to section 4 5 Color Display Module Adjustments To check for color purity proceed as follows 1 From the Mainframe Test menu touch the Color Display Test The white cross hatch pattern is displayed This pattern is used for the color module geometry adjustments 2 Touch the Continue field The white raster pattern is displayed With every touch of the Continue field the next color test pattern is displayed See figure 6 9 Figure 6 9 Selecting the Color Display Patterns 3 Touch Continue from the black raster pattern to display the M
24. Straight NZSS198 ASC 79 200 Gray Australia 8120 0696 90 87 221 Mint Gray New Zealand 250V OPT 902 8120 1689 Straight CEE7 Y11 79 200 Mint Gray East and West Europe 8120 1692 go 79 200 Mint Gray Saudi Arabia 8120 2857 Straight Shielded 79 200 Coco Brown So Africa India Unpolarized in many nations 8120 1378 Straight 15 90 228 Jade Gray United Stotes 8120 1521 90 90 228 Jade Gray Canada 8120 1992 Straight Medical 96 244 Black Mexico UL544 Phillipines Taiwan 125V 904 8120 0698 Straight 6 15 90 228 Black United Stotes Canada 250V OPT 905 8120 1396 CEE22 V1 30 76 Jade Gray For interconnecting M 8120 1625 System Cabinet Use 96 244 system components and 250V peripherals United States and gt Canada only 250V OPT 906 8120 2104 Straight SEV1011 79 200 Mint Gray Switzerland 8120 2296 1959 24507 79 200 Mint Gray Type 12 90 8120 2956 Straight DHCK107 79 200 Mint Gray Denmark 8120 2957 90 79 200 Mint Gray 220V OPT 917 8120 4211 Straight SABS164 79 200 Jade Gray Republic of South Africa 8120 4600 90 79 200 India 250V OPT 918 8120 4753 Straight Miti 90 230 Dark Gray Japan 8120 4754 909 90 230 100V Rev 11NOV88 00019 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 2 3 16
25. located on the left side PC board to eliminate pin phase distortion in vertical lines of cross hatch pattern as shown in figure 4 14 16500B01 Figure 4 14 PIN PHASE Adjustment 10 Reinstall the bottom rail 11 Adjust the TOP PIN RV511 located on the left hand side PC board so the top horizontal line is parallel with the center horizontal line 12 Adjust the BOTTOM PIN RV512 located on the left hand side PC board so the bottom horizontal line is parallel with the center horizontal line 16500A 16501A Adjustments Focus Adjustment Note Geometry adjustments must be performed before making the focus adjustment 1 Remove the rear and side fan Refer to section 6 Service for the fan removal procedures 2 From the Display Test menu of the Mainframe Test system select the white cross hatch test pattern 3 Adjust FOCUS RV701 located on the rear PC board for best overall focus Landing and Convergence Adjustment Preparation 1 From the Display Test menu select a white raster pattern and check for color purity Repeat this step using the Red Green and Blue raster patterns and check for color purity If the color purity is correct do not perform this Landing and Convergence adjustment 2 Turn off the instrument then disconnect the power cord Loosen the deflection yoke clamp screw 3 Remove the deflection yoke spacers by moving the deflection yoke towards the rear of the instrument t
26. 1 4 3 Safety Considerations 4 1 4 4 Adjustment Test Patterns iei e a e 4 2 4 5 Color Display Module 4 7 Section V Replaceable Parts Page utr pte etate i vp 5 1 52 Abbreviations iie ERE ERR rU IRR Ae Tea dr 5 1 53 Replaceable Parts LIST y ioa eec bere tela i MEL Re RE Le RR REESE 5 1 5 4 Exchange Assemblies 5 1 5 51 Ordering Information tete Ebro 5 1 5 6 Direct Mail Ord r uu 5 2 Section Service Page 6 1 Introductlon 6 1 6 2 Safety Considerations 6 1 6 3 Service Test Equipment 6 1 6 4 Theory of Operation a 6 1 0 5 Power Tests xg cec Pet ge 6 6 6 6 1658 iiie ti Ee a EET EET 6 8 6 7 Tro bleshootllg C 6 19 6 8 e pep ue ee e de Hei re De P Dat d 6 46 6 9 Tools Hequired o yu tito E EO ERE Dee 6 47 6 10 Cover REMOVAL
27. AND BOTTOM COVERS 5 13 6 1 6 2 6 3 6 4 6 5 6 6 6 7 6 8 6 9 6 10 6 11 6 12 6 13 6 14 6 15 6 16 6 17 6 18 6 19 6 20 6 21 5 o LE 6 1 Safety Considerations 6 1 Service Test Equipment 6 1 The ory of Operation e erred avert it e edt e vet n de re 6 1 PoWer EE 6 6 Maintrame eden 6 8 6 19 Pepa t gt _ 3 gt gt 6 46 TOONS PIT 6 47 Gover REMovall ziii aite etia y 6 47 Power Supply 6 48 Mother Board 6 50 6 52 Side Fan Replacement 6 54 Rear Disk Drive 6 56 Front Disk Drive arra E 6 58 Microprocessor Board 6 60 Front Panel Board 6 62 Color Display Module Replaceme
28. DOES COLOR DISPLAY TEST GO TO COLOR MODULE FLOWCHART 3 PASS YES Y Troubleshooting Flowchart 6 TO MAIN FLOWCHART 1 6 26 16500T11 Figure 6 23 Troubleshooting Flowchart 6 COLOR MODULE FLOWCHART 3 AND EXPANSION FRAME FLOWCHART 12 15 OVER CURRENT ON Is OVER VOLTAGE ON 2 IS OVER LED ON 16500A 16501A Service 16500A 16501A Power Supply Flowchart TO MAIN FLOWCHART 1 CHECK NO REPLACE PRIMARY POWER POWER SUPPLY YES CHECK ARE POWER SUPPLY VOLTAGES YES VOLTAGES SEE PAGE 6 38 2 NO REPLACE YES POWER SUPPLY REMOVE POWER AND LET POWER SUPPLY COOL FOR 38 MINUTES REAPPLY POWER NO IS OVER TEMP LED NO gt ON YES REPLACE POWER SUPPLY gt NOTE TO CHECK POWER SUPPLY LEDS SEE 6 36 Figure 6 24 Troubleshooting Flowchart 7 Troubleshooting Flowchart 7 16500704 6 27 16500A 16501A Service 6 28 HP 16500 16501 HIL Flowchart Troubleshooting Flowchart 8 FROM MAINFRAME TESTS FLOWCHART 6 REMOVE ALL DISKS FROM DRIVES POWER UP 16500A DOES HIL CONTROLLER TEST PASS DOES FRONT PANEL TEST PASS 2 LOAD MAINF RAME PV DISK RUN HIL TEST DO
29. K CLK to U3 CAUTION To prevent the 5 Vdc of the mainframe from shorting to ground align 10 ground of the DIP clips with 10 ground of U2 03 Install the expansion interface card into the HP 16501A expansion frame Connect the power cords to the frames then turn on the frames Run the Expander Test The Expander Test is accessed the same as in step 7 On the HP 1651B select Run The results on the HP 1651B screen should be similar to figure 6 37 with the Data and Address alternating between AA and 55 and with the Strobe showing a hexadecimal representation of walking Os through the data bits If the test results are not correct replace the expansion interface card and reconfigure the HP 16500A 16501A system Then return to the Expansion Frame Flowchart 12 If the test results are correct the interface components work correctly Reconfigure the HP 16500A 16501A system then return to the start at Main Flowchart 1 6 45 16500A 16501A Service 6 8 Repair The repair procedures this section are provided for the removal and replacement of major assemblies of the HP 16500A mainframe and of the HP 16501A expansion frame After diagnosing the defective assembly using the troubleshooting flowcharts refer to the appropriate repair procedure and follow the steps provided Table 6 3 lists the paragraph numbers where assembly repair information is located WARNING The HP 16500A is equi
30. PANEL MP3 0363 0125 0 4 RFISTRIP FINGERS TOP AND BOTTOM COVERS MP4 1460 1345 5 2 TILT STAND 5 16501 00202 9 11 SUB PANEL MP6 16501 01201 o 1 FAN BRACKET MP7 16500 00603 3 1 FAN SCREEN REAR MP8 16501 40501 5 2 MODULE PANEL MP9 1400 0560 8 11 CL SET LED MTG LED CLAMP SET MP12 16500 01207 5 1 FAN SHROUD REAR MP13 16500 04102 5 1 COVER MP14 16500 04701 0 1 STRUT MOTHER BOARD MP15 16500 23101 4 1 CARD GUIDE SIDE MP16 16500 23102 5 1 CARD GUIDE CENTER MP20 16500 61202 6 1 POWER SUPPLY COVER REAR PANEL MP21 5001 0541 3 2 SIDE TRIM FRONT FRAME MP22 5021 8407 3 1 FRAME FRONT 23 5021 5808 7 1 24 5021 5837 2 4 STRUT CORNER 25 5041 8801 8 2 FEET FRONT BOTTOM COVER 26 54110 40502 3 4 FEET BACK 27 5041 8802 9 1 TOP TRIM STRIP FRAME MP28 5041 8822 3 2 FEET REAR BOTTOM COVER MP29 5041 8819 8 11 STRAP HANDLE CAP FRONT MP30 5041 8820 1 1 STRAP HANDLE CAP REAR MP31 5062 3704 4 1 STRAP HANDLE MP32 5062 3847 6 1 COVER LEFT SIDE WITH HANDLE MP33 5062 3822 7 1 COVER RIGHT SIDE WITHOUT HANDLE MP34 5062 3747 5 1 37 8160 0551 4 6 EMI SHIELDING BRAIDED MP38 0590 1868 3 8 FANCLIP MP46 16501 94301 6 1 LABEL ID EXPANSION INTERFACE BOARD MP47 16500 94306 0 1 LABEL ID MAINFRAME INTERFACE BOARD 0515 1245 0 0 REPLACEMENT SCREW FOR TOP AND BOTTOM COVERS 0510 1253 0 10 REPLACEMENT RETAINING RING FOR TOP
31. POWER SUPPLY FLOWCHART 7 EXPANSION FRAME POWER SUPPLY SWITCH ON 9 INTERFACE TROUBLESHOOTING PROCEDURE SEE PAGE 6 40 SET SWITCH TO CORRECT POSITION REPLACE FAULTY INTERFACE CABLE EXPANSION INTERFACE CARD OR MAINFRAME INTERFACE CARD 15 EXPANSION FRAME LED ON 2 16500714 MAIN FLOWCHART 1 Figure 6 29 Troubleshooting Flowchart 12 6 32 16500 16501 Service This page intentionally left blank 6 33 16500A 16501A Service Video Signals Check This procedure checks the video signals 1 2 6 34 Turn off the instrument then remove the bottom cover On the color module disconnect the cable that connects the microprocessor board to the color module Refer to figure 6 30 for the cable location Load the operating system into one disk drive and apply power to the instrument Allow enough time for the operating system to load Probe the cable for the horizontal sync vertical sync and display data signals The cable pin numbers are listed in table 6 1 The horizontal and vertical sync signals are TTL levels that resemble figure 6 31 The display data signals have a baseline of approximately 1 7 V and vary in amplitude from the baseline voltage to approximately 125 mV depending on the characteristics of the colors displayed Reconnect the cable then return to the color module
32. Purity Magnet Adjustment Raster and the right edge of the raster turns blue See figure 4 16 7 Adjust the purity magnets until green is in the center of the raster with red and blue bands evenly distributed on the sides See figure 4 15 The purity magnets need no more than 15 movement from the mechanical center 8 Move the deflection yoke forward until the entire raster is green Note The landing adjustment is easier if the yoke is moved all the way forward and then moved backward until the 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 16500 16501 Adjustments Landing Adjustment Continued 10 If the landing is not correct in step 9 repeat steps 6 through 9 for the best compromise See PURITY CONTROL CORRECTS THIS AREA DEFLE Figure 4 17 Landing and Purity Adjustment Guide figure 4 17 11 If the landing is not correct in step 10 readjust the purity magnets for the best landing of each color 12 Turn off the instrument and remove the power cord Reinstall the yoke spacers 13 When the landing adjustment is complete tighten the deflection yoke clamp screw just enough to keep the yoke from moving DO NOT over tighten Note While moving the deflection yoke forward and backward rotate the yoke as necessary to make the
33. be energized via an auto transformer for voltage reduction make sure the common terminal is connected to the earth terminal of the power source e interruption of the protective grounding conductor in side or outside the instrument or disconnecting the protec tive earth terminal will cause a potential shock hazard that could result in personal injury Whenever it is likely that the protection has been impaired the instrument must be made inoperative and be secured against any unintended operation e Only 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 fusehold ers To do so could cause a shock or fire hazard Do not operate the instrument in the presence of flamma ble gasses or fumes Operation of any electrical instrument in such an environment constitutes a definite safety hazard Do not install substitute parts or perform any unauthorized modification to the instrument Adjustments described in the manual are performed with power supplied to the instrument while protective covers are removed Energy available at many points may if con tacted result in personal injury Any adjustment maintenance and repair of the opened in strument under voltage should be avoided as much as pos sible and when inevitable should be carried out only by a skilled person who is aware of the hazard involved Ca
34. closest to the rear panel To remove the expansion interface card board refer to section 6 20 Expansion Interface Board Replacement 6 43 16500A 16501A Service 11 Connect the HP 1651B pod 1 and pod 2 probe tip assemblies to three DIP clips as shown in figure 6 38 The HP 1651B System Configuration menu and Format menu are setup the same as in step 1 and step 2 DATA ADDRESS CLOCK 0 2 POD 1 8 2 9 K CLK 69 3 Oneens Pop 1 9 C 9 3 3 E911 63 9 5 POD 1 2 POD 1 11 5 9 POD 2 4 O 9 5 POD 1 3 POD 1 12 6 5 POD 2 3 5 POD 1 4 POD 1 13 POD 2 2 3 5 9 1 5 Pop 1 14 C Pop 2 11 3 2 POD 1 6 POD 1 15 2 POD 2 0 2 516 OND soo 109009 soc O Figure 6 38 Probe Connections 12 Connect the DIP clips to U7 U8 and U9 of the expansion interface card a Connect the Data DIP clip pod 1 0 through pod 1 7 to U7 b Connect the Address DIP clip pod 1 8 through pod 1 15 to U8 c Connect the Clock and Strobe DIP clip pod 2 0 through pod 2 4 and K CLK to U9 CAUTION To prevent the 5 Vdc of the mainframe from shorting to ground align pin 10 ground of the DIP clips with 10 ground of U7 U8 UY 13 Install the expansion interface card into the expansion frame Connect the power cords to the frames then turn on both frames Run the Expander Test The Expand
35. mouse to complete the selection of the field To duplicate the knob function press and hold the right button of the mouse and move it over the desktop When the correct numerical value or the correct function has been selected stop moving the mouse and release the right button The Optional Keyboard The keyboard is an optional user interface accessory HP 2427 The keyboard can used interchangeably with the knob the touchscreen and the mouse for all menu applications 2 9 The Hewlett Packard Interface Bus 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 integration of various instruments and computers into systems The interface makes it possible to transfer messages between two or more 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 first functional group The data lines are used to transmit data in coded messages These messages are used to program the instrument function to transfer measurement data and to 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
36. sections as follows General Information Installation Performance Tests IV Adjustments V Replaceable Parts VI Service The General Information Section includes a description of the HP 16500 16501 its specifications options available accessories and recommended test equipment for maintaining the instrument Information for operating programming and interfacing with the HP 16500A 16501A is contained in the Operating and Programming manual set supplied with each instrument HP 16500A 16501A General Information SECTION General Information Shipped with this manual are service manuals for each module ordered with the HP 16500A 16501A To complete the service documentation for your system unpack the module service manuals and place them in the 3 ring binder of this manual 1 2 Instruments Covered by This Manual The instrument serial number is on the rear panel of the instrument Hewlett Packard uses a two part serial number consisting of a four digit prefix and a five digit suffix separated by a letter for example 0000A00000 The prefix is the same for all identical instruments and the suffix is different for each instrument Prefix changes are for parts compatibility and for instrument tracking The only time the manual will be updated to reflect a new prefix is for parts compatibility This manual applies directly to instruments with the serial prefix shown on the title page 16
37. uppercase letters 5 3 Replaceable Parts List Table 5 2 shows the list of replaceable parts for the HP 16500A and table 5 3 shows the list of replaceable parts for the HP 16501A The tables are organized as follows e Exchange assemblies in alohanumerical order by reference designation e Electrical assemblies in alohanumerical order by reference designation e Chassis mounted parts in alphanumerical order by reference designation The information given for each part consists of the following e Reference designator e Hewlett Packard part number e Check digit CD HP 16500 16501 Replaceable Parts SECTION V Replaceable Parts e Total quantity Qty in the instrument The total quantity for each part is only given once at the first appearance of the part number in the list description 5 4 Exchange Assemblies Some of the parts used in this instrument have been set up on an exchange program This allows the customer to exchange a faulty assembly with one that has been repaired calibrated and performance verified at Hewlett Packard The cost of the exchange assembly is significantly less than that of a new part Exchangeable assemblies are listed separately in table 5 2 and in table 5 3 under the heading Exchange Assemblies They usually have a part number in the form XXXXX 695XX where the new part would be XXXXX 665XX Before ordering an exchange assembly check with your Hewlett
38. 00A 1 6 58 Remove the power cord and the top cover To remove the top cover refer to section 6 10 Cover Removal Remove the two disk drive mounting screws Slide the front disk drive assembly toward the rear panel until the assembly is out of the instrument Disconnect the control cable for the disk drive Remove the shield from the top of the assembly and the mounting bracket from the bottom of the assembly Set the address switch on the replacement disk drive assembly to the 1 position then reverse this procedure to install the replacement disk drive assembly 16500A 16501A Service SHIELD HOOKS UNDER DISK DRIVE BRACKET SWITCH 1658826 Figure 6 44 Front Disk Drive Replacement 6 59 16500A 16501A Service 6 17 Microprocessor Board Replacement When necessary refer to other removal procedures HP 16500A 1 6 60 Remove the power cord all optional modules and the bottom cover To remove the bottom cover refer to section 6 10 Cover Removal To remove the optional modules refer to the Service Manual for each module Disconnect the two cables from the microprocessor board The front cable is connected to the rear disk drive and the other cable is connected to the color display module Remove the two screws connecting the microprocessor to the rear panel Carefully slide the microprocessor board out of the mainframe Reverse this procedure to install
39. 1 61604 3 1 CABLE ASSEMBLY RIBBON MOTHER BOARD TO EXPANSION INTERFACE BOARD W3 16501 61603 2 1 CABLE ASSEMBLY LED W4 16500 61604 2 1 CABLE FAN POWER W5 8120 1521 6 1 POWER CORD UNITED STATES 7 5 FT MISCELLANEOUS 01650 84502 7 1 ACCESSORY POUCH 16500 40502 5 FILLER PANEL 5 11 16500A 16501A Replaceable Parts Figure 5 4 HP 16501A Chassis Parts 5 12 HP 16500A 16501A Replaceable Parts Table 5 3 HP 16501A Replaceable Parts continued Reference HP Part Designator Number CD QTY Description HP 16501A CHASSIS PARTS H1 0515 0372 2 19 SCREW X 0 5 8MM LG H2 0515 0433 6 12 SCREW M4 X 0 8 15MM LG H3 0515 0435 8 6 SCREW M4 X 0 7 14MM LG H4 0515 0664 5 2 SCREW 0 5 12MM LG H5 0515 0943 3 14 SCREW 0 7 12MM LG H6 0515 1384 8 2 SCREW M5 X 0 8 10MM LG H7 0515 1403 2 16 SCREW 0 7 6MM LG 90 DEG FH H8 0515 1444 1 14 SCREW M3 5 X 0 6 25 4MM LG BACK FEET H9 0535 0105 1 4 NUTSHEET METAL M4 H11 0624 0520 3 9 SCREW TPG 6 19 5 IN LG H12 0515 0821 2 8 SCREW 0 5 X20 FAN H13 0510 0684 9 2 THUMBSCREW RETAINING RING H14 0515 0366 4 4 SCREW 2 5 X 0 45 H15 0515 0430 3 6 ENDPLATE SCREW M3 X 0 5 H16 16500 22401 5 2 ENDPLATE THUMBSCREW H17 16500 29101 6 2 GROUND SPRING H18 0400 0001 1 2 GROMMET H19 0535 0031 2 6 NUT H20 1400 0611 0 11 CABLE CLAMP MP1 16501 00201 8 11 FRONT PANEL MP2 16501 00203 8 11 REAR
40. 232C Test Expander Test status UNTESTED status UNTESTED HIL Test All System Tests status UNTESTED status UNTESTED Figure 4 8 Exiting Mainframe Test System 16500A 16501A Adjustments 9 Touch the Configuration field then touch Exit Test Install the operating system disk into one of the disk drives then touch the field close to the center of the screen to reload the mainframe operating system See figure 4 9 Exit Test Touch box to Exit Test System Module Name Code Version Card ID Code ROM Version 00 02 System Memory 2 5 Figure 4 9 Exiting Test System Configuration 10 After the operating system has been reloaded the System Configuration will be displayed See figure 4 10 Configuration Master Frame Keyboard Controller RS 232C Printer Figure 4 10 System Configuration 16500 16501 Adjustments 4 5 Color Display Module Adjustments Description The Color Display Module is adjusted to compensate for external magnetic influences causing misconvergence 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 necessary to degauss the CRT using a conventional external television type degaussing coil During any of the following adjustments the CRT module must face west Equipment Required Nonm
41. 40 OrO O 040 OOO Figure 4 24 H TILT Adjustment 6 Adjust the H TILT RV806 located on the bottom PC board for coincidence of red green and blue at the right and left sides of the screen See figure 4 24 16500A 16501A Adjustments White Balance 1 4 20 From the Display Test menu select a blank colorless raster Note Any text on the screen will not affect this adjustment Set the front panel BACKGROUND and SUB RV901 located on the bottom PC board to mechanical center Set the front panel BRIGHTNESS and SUB CONT 902 located on the bottom PC board to mechanical center Set the DRIVE RV921 DRIVE RV931 and DRIVE RV911 located on the bottom PC board to mechanical center Set the G BKG RV721 B BKG RV731 and R BKG RV711 located on the rear PC board fully counterclockwise CCW Adjust the SCREEN RV702 located on the 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 control BKG for that color in the next step Adjust the other two background BKG controls for the best white balance From the Display Test menu select the white raster test pattern Setthe front panel BRIGHTNESS control to maximum Observe the screen and adjust the DRIVE controls RV921 RV931 and RV91 1 located on the bottom PC board for the bes
42. 500A 16501A General Information 1 3 Safety Considerations Review the instrument and manual for safety markings and instructions before operating it Specific warnings cautions and instructions are placed wherever applicable throughout the manual These precautions must be observed during all phases of operation service and repair of the instrument Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of this instrument Hewlett Packard assumes no liability for the customer s failure to comply with these safety requirements 1 4 Product Description The HP 16500A is the mainframe of the HP Logic Analysis System The HP 16501A is an expansion frame of the HP Logic Analysis System The HP 16500A 16501A is of modular structure using plug in cards with a wide range of data acquisition and stimulus capabilities 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 16501A include the following Modular mainframe with five card slots e Nine inch color monitor The touchscreen user interface Dual 3 5 inch disk drives e Intermodule triggering and time correlation of acquired data HP IB RS 232C interfaces for hardcopy output to a printer or controller interface e Expansion frame which expands
43. 500A 16501A Installation c p TOUCH SCREEN FIELDS KNOB KEYBOARD ac lt Figure 2 3 HP 16500A User Interface Devices 2 8 User Interface Four devices may be used to interface with the HP 16500A and all installed modules the touchscreen the front panel knob the optional keyboard and the optional mouse See figure 2 3 For complete operating information refer to the HP 16500 16501 Logic Analysis System Operation Reference Manual and the Operating Manual for each module installed The Touchscreen The touchscreen interface provides the main front panel control or access to the menus By touching the appropriate field you can access other menus configure the HP 16500A for making measurements and enter or change alphanumeric data The Front Panel Knob The front panel knob is used to increment or decrement numeric fields and to roll the display Rolling the display means scrolling through information on screen 2 4 The Optional Mouse The mouse is an optional user interface accessory HP 46060A The 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 mouse until the cursor rests in the desired field Press the left button of the
44. Advanced Test Equipment Rentals A ished 1981 www atecorp com 800 404 2832 About this Manual We ve added this manual to the Agilent website in an effort to help you support your product This manual is the best copy we could find it may be incomplete or contain dated information If we find a more recent copy in the future we will add it to the Agilent website Support for Your Product Agilent no longer sells or supports this product Our service centers may be able to perform calibration if no repair parts are needed but no other support from Agilent is available You will find any other available product information on the Agilent Test Measurement website www tm agilent com HP References in this Manual This manual may contain references to HP or Hewlett Packard Please note that Hewlett Packard s former test and measurement semiconductor products and chemical analysis businesses are now part of Agilent Technologies We have made no changes to this manual copy In other documentation to reduce potential confusion the only change to product numbers and names has been in the company name prefix where a product number name was HP XXXX the current name number is now Agilent XXXX For example model number HP8648A is now model number Agilent 8648 HEWLETT PACKARD SERVICE MANUAL HP 16500 16501 Logic Analysis System SERIAL NUMBERS This manual applies directly to instruments prefixed
45. ER SUPPLY ASSEMBLY 7 0960 0753 6 1 ROTARY PULSE GENERATOR ASSEMBLY A8 2090 0226 5 1 COLOR CRT MODULE ASSEMBLY B1 3160 0429 0 2 FAN TUBEAXIAL B2 3160 0429 0 FAN TUBEAXIAL F1 2110 0010 9 FUSE 5 AMP FOR 230VAC OPERATION F1 2110 0395 3 FUSE 10 AMP FOR 115VAC OPERATION 16500 61601 9 1 CABLE MOTHER BOARD FRONT PANEL 16500 61602 0 1 CABLE CPU COLOR MODULE W3 16500 61603 1 1 CABLE CPU TO DISK DRIVES W4 16500 61604 2 1 CABLE FAN POWER W5 16500 61605 3 1 CABLE FRONT PANEL TO COLOR MODULE W6 16500 61606 4 1 CABLE POWER SUPPLY TO COLOR MODULE W7 8120 1521 6 1 POWER CORD UNITED STATES 7 5 MISCELLANEOUS 01650 84502 16500 40502 01650 63202 5061 2819 1 ACCESSORY POUCH FILLER PANEL RS 232C LOOPBACK CONNECTOR 2 YELLOW SHIPPING DISK E 5 5 16500A 16501A Replaceable Parts MP 18 16500 34 Figure 5 2 HP 16500 Chassis Parts QTY 4 H11 PARTS NOT SHOWN SCREW SIDE HANDLE SCREW BACK FEET TILT STAND TOP COVER FRONT FEET BOTTOM COVER BACK FEET REAR FEET BOTTOM COVER STRAP HANDLE STRAP HANDLE CAP REAR STRAP HANDLE MP32 LEFT COVER MP33 RIGHT COVER MP34 BOTTOM COVER MP37 EMI SHIELDINC BRAIDED HP 16500A 16501A Replaceable Parts Table 5 2 HP 16500A Replaceable Parts continued Reference HP Part Designa
46. ES HIL TEST YES REPLACE MICROPROCESSOR BOARD CHECK FRONT PANEL CABLE FOR CONTINUITY AND CONNECTION DOES FRONT PANEL TEST PASS 2 FRONT PANEL 55 NO VACUUM OR CLEAN TOUCHSCREEN DOES HIL TEST YES PASS NO REPLACE FRONT PANEL BOARD Figure 6 25 Troubleshooting Flowchart 8 FLOWCHART 1 16500T05 16500A 16501A Service 16500 16501 Disk Drive Flowchart Troubleshooting Flowchart 9 FROM MAINFRAME TESTS FLOWCHART 6 9 MAIN FLOWCHART 1 gt INSTALL FORMATED UNWRITE PROTECTED DISK IS A FORMATED UNWRITE PROTECTED DISK IN DISK DRIVE YES CHECK CABLES TO DISK DRIVE FOR CONTINUITY AND CONNECTION ARE CABLES REPLACE L gt FAULTY CABLE SWAP THE FRONT AND REAR DISK DRIVES WHEN SWAPPINC CHANGE THE ADDRESS SWITCH ON THE DISK DRIVES Y POWER UP THE SYSTEM AND RUN THE DISK DRIVE TESTS DID THE FAILURE MOVE WITH THE DISK DRIVE 72 Y REPLACE FAILED DISK DRIVE NO REPLACE MICROPROCESSOR BOARD 16500T09 Figure 6 26 Troubleshooting Flowchart 9 6 29 16500A 16501A Service 16500 16501 5 232 Flowchart Troubl
47. Exiting the Mainframe Test System The Mainframe Test System may be exited any time after a test is completed To exit the Mainframe Test system proceed as follows 1 From any test screen touch the Done field to display the Mainframe Test menu 2 Touch the Mainframe Test field then touch the Test System field from the pop up menu See figure 6 14 The Test System Configuration is displayed Mainframe T Print Test Sustem Hainframe Test R Disk Test status UNTESTED status UNTESTED RAM Test Intermodule Test status UNTESTED status UNTESTED HP IB Test Color Displau Test status UNTESTED status UNTESTED RS 232C Test Expander Test status UNTESTED status UNTESTED HIL Test All System Tests status UNTESTED status UNTESTED Figure 6 14 Exiting the Mainframe Test System 3 Touch the Configuration field then touch the Exit Test field See figure 6 15 Test System Configuration Master Frame Rear Disk Ea d Keyboar Front Disk Exit Test Controller Figure 6 15 Exiting Test Configuration 6 15 16500A 16501A Service 4 Verify that the operating system software is installed a disk drive Touch the field close to the center of the screen to exit the test system and to load the mainframe operating system See figure 6 16 After the operating system is loaded the System Configuration menu is d
48. GND 1 P SIG GND 28 Figure 6 35 Probe Connections K CLK POD 2 4 POD 2 3 POD 2 2 POD 2 1 POD 2 0 16501611 6 41 16500A 16501A Service 5 Connect the DIP clips to 018 019 020 of the mainframe interface card a Connect the Data DIP clip pod 1 0 through pod 1 7 to U18 b Connect the Address DIP clip pod 1 8 through pod 1 15 to U19 Connect the Clock and Strobe DIP clip pod 2 0 through pod 2 4 and CLK to 020 To prevent the 5 Vdc of the mainframe from shorting to ground align 10 ground of the DIP clips with pin 10 ground of U18 U19 and U20 Install the mainframe interface card into slot E of the HP 16500A Connect the power cords to the frames then turn on the frames The mainframe interface card should appear in the HP 16500A System Configuration menu 7 Run Expander Test 6 42 Inthe System Configuration menu touch Configuration then touch Test Touch the field closest to the center of the screen to load the test system Inthe Test System Configuration menu touch Test System then touch Mainframe Test In the Mainframe Test menu touch Expander Test In the Expander Test screen shown in figure 6 36 touch Run slide your finger downward to Repetitive then lift your finger The Expander Test runs repetitively until you touch Stop O O O Mainframe Test Expander Test counts 0 NOTE This test routes signa
49. MINTR MISC MLD MM MO MTG MTLC MUX MW N NC NMOS NPN NPRN NRFR NSR NUM osc P O PC PCB PD PF PI PL PLA PLST PNP POLYE POS POT POZI PP PPM PRCN PREAMP PRGMBL PRL PROG PSTN PT PW PWR R S RAM RECT RET RF RGLTR RGTR RK RMS integrated circuit microcircuit electron tube glow lamp voltage regulator breakdown diode cable socket crystal unit piezo electric or quartz manufacturer microprocessor miniature miscellaneous molded millimeter metal oxide mounting metallic multiplexer milliwatt nano 10 9 no connection n channel metal oxide semiconductor negative positive negative neoprene not recommended for field replacement not separately replaceable numeric order by description octal outside diameter operational amplifier oscillator plastic part of printed circuit printed circuit board power dissipation picofarads plug in plate d programmable logic array plastic positive negative positive polyester positive position potentiometer pozidrive 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 root mean square 5 3 16500A 16501A Replaceable Parts
50. N PAS 6 49 Figure 6 39 Power Supply Replacement 16500A 16501A Service 6 12 When necessary refer to other removal procedures HP 16500A 1 5 6 Remove the power cord all optional modules and top bottom and left side covers To remove the covers refer to section 6 10 Cover Removal To remove the optional modules refer to the Service Manual for each module Remove the power supply Refer to section 6 11 Power Supply Replacement Remove the microprocessor board Refer to section 6 17 Microprocessor Board Replacement Disconnect the fan power cable and the front panel cable from the mother board Remove the six mother board mounting screws then lift the mother board out of the mainframe Reverse this procedure to install the replacement mother board HP 16501A 1 6 50 Remove the power cord all optional modules and top bottom and left side covers To remove the refer to section 6 10 Cover Removal To remove the optional modules refer to the service manual for each module Remove the power supply Refer to section 6 11 Power Supply Replacement Remove the expansion interface board Refer to section 6 20 Expansion Interface Board Replacement Disconnect the fan power cable from the mother board Remove the six mother board mounting screws then lift the mother board out of the expansion fr
51. Packard Sales Office for the procedures associated with the exchange program 5 5 Ordering Information To order a part listed in the replaceable parts table quote the Hewlett Packard part number and check digit indicate the quantity required and address the order to the nearest Hewlett Packard Sales Office To order a part not listed in the replaceable parts table include the instrument model number the instrument serial number the description and function of the part and the quantity of parts required Address the order to the nearest Hewlett Packard Sales Office 5 1 16500A 16501A 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 e Direct ordering and shipping from Hewlett Packard Parts Center in Mountain View California No maximum or minimum on any mail order there is a minimum order amount for parts ordered through local Hewlett Packard Sales Offices when orders require billing and invoicing e Prepaid transportation there is a small handling charge for each order e No invoices To provide these advantages a check or money order must accompany each order Mail order forms and specific ordering information are available through your local Hewlett Packard Sales Office Table 5 1 Reference Designator and Abbreviations HP 16500A 16501A Replaceable Parts
52. Side Fan 6 55 6 43 Rear Disk Drive 6 57 6 44 Front Disk Drive 6 59 6 45 Microprocessor Board Replacement 2 6 61 6 46 Front Panel Board 6 63 6 47 Color Display Module 6 65 6 48 Transterting Parne ea iom 6 67 6 49 Color Display Module Installation 6 69 6 50 Expansion Interface Board 6 71 6 51 Endplate Overlap edat ear diee im faak 6 72 6 52 Ernidplate Overlap ino irt 6 72 6 53 Mainframe Interface Board Replacement 2 6 73 xiii Section General Information 5 Introduction Instruments Covered by This Manual Safety Considerations Product Description Accessories Supplied Accessories Available Operating Characteristics Recommended Test Equipment TABLE OF CONTENTS 1 1 Introduction This service manual explains how to test adjust and service the Hewlett Packard 16500A 16501A Logic Analysis System This manual is divided into six
53. System Overview Theory and the Microprocessor Theory 6 1 16500A 16501A Service 12 VDC gt HORIZONTAL SYNC COLOR VERTICAL MODULE SYNC RED GREEN BLUE MICRO PROCESSOR M RS 232C FRONT REAR DISK DRIVE FRONT PANEL AR HIL Rete OPTIONS MOTHER SEREEN BOARD STIMULUS 53 AND MODULE ADDRESS DATA SELECT A E MN DN CARDS INTERFACE BOARD POWER SUPPLY COOL ING oz y FANS gt 9 gt wom m rm gt Pt gt UJ 42 111 HP 16501 MODULE ADDRESS MOTHERBOARD DATA SELECT F d LOWER AND INTERFACE ACQUISTION BOARD CARDS 16599805 Figure 6 1 16500A 16501A System Overview System Overview Theory The HP 16500A is the mainframe for the Logic Analysis System The mainframe components include the following Microprocessor Board Mother Board Front and Rear Disk Drives Color Module Front Panel Board Power Supply The microprocessor board contains all the interface circuitry for managing data flow between the mainframe components and the optional boards The microprocessor used is a Motorola 68000 Located on the mother board are the intermodul
54. THE REMEDIES PROVIDED HEREIN ARE 5 SOLE AND EXCLUSIVE REMEDIES HP SHALL NOT BE LIABLE FOR ANY DIRECT INDIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAM AGES 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 contact your nearest Hewlett Packard Sales and Service Office Addresses are pro vided at the back of this manual CWA388
55. acuum the ventilation slots on the sides of the instrument and on the rear panel fan whenever there is a visible amount of dust on them 2 20 16500A 16501A Installation HP 16501A Expansion Frame Installation CAUTION The effects of ELECTROSTATIC DISCHARGE can damage electronic components Use grounded wriststraps and mats when you are performing any kind of service to this instrument Installation Considerations The mainframe interface card can be installed in any available card slot in the HP 16500A main frame Cards or filler panels in the HP 16500A located below the empty slot intended for installation do not have to be moved Procedure Turn off the 16500A mainframe power switch then unplug the power cord Disconnect any input connections Verify the correct setting of the Line Select switch located on the rear panel of the HP 16501A See section 2 6 Line Voltage Selection Starting from the top loosen thumb screws on filler panels and cards that need to be moved Starting from the top pull the cards and filler panels half way out See figure 2 11 Remove the filler panel or card that is in the slot intended for the mainframe interface card Slide the mainframe interface card into the card cage of the HP 16500A mainframe CARD 1 NEXT LOWEST 2 16530 EX13 Figure 2 11 Endplate Overlap
56. ails For Interrupt Test failures suspect a faulty microprocessor board 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 controller ensures that an End Of Frame interrupt is generated The test will report a fail message if either the display RAMs or the controller tests fail For Display Test failures suspect a faulty microprocessor board HIL Controller Test The HIL Controller Test checks the HIL interface circuitry on the microprocessor board to verify that the microprocessor board can talk to the front panel board This test reports a pass or fail message For HIL Test failures suspect a faulty microprocessor board Front Panel Test The Front Panel Test checks the front panel circuitry for correct operation and reports a pass or fail message For Front Panel Test failures verify the continuity and connection of the cable from the microprocessor board to the front panel board If a problem is not found with the cable suspect a faulty front panel board Touchscreen Touchscreen checks for light pulses between LED light emitting diode pairs and returns a pass fail or an impair message The impair message indicates that the touchscreen is faulty but the instrument can still be operated If two to four LED pairs of the touchscreen system are defective then the impair message is displayed The touchscr
57. ainframe Test menu Note that the Display Test status has changed from UNTESTED to TESTED 6 12 Performing the Mainframe Tests A description of each of the mainframe tests is provided at the end of the ROM Test procedure Only performing the ROM Test is described in detail since the RAM HP IB RS 232C HIL Disk and Intermodule tests are accessed and performed in the same manner HP 16500A 16501A Service Note Before performing the Disk Test install a formatted disk into each disk drive be sure to verify that the disks are not write protected Before performing the 5 2325 Test install the RS 232C loopback connector on the microprocessor RS 232C port Before performing the Intermodule Test remove any connections to the input BNC To perform the ROM test proceed as follows 1 Access the Mainframe Test menu as described in Accessing the Mainframe Test System in this section See figure 6 10 Mainframe Test ROM Test Disk Test status status UNTESTED RAM Test Intermodule Test status UNTESTED status UNTESTED Test Color Display Test status UNTESTED status UNTESTED RS 232C Test Expander Test status UNTESTED status UNTESTED HIL Test All System Tests status UNTESTED status UNTESTED Figure 6 10 Mainframe Test Menu 2 Touch the ROM Test field The ROM Test screen is displayed See figure 6 11 Mainframe Test Run ROM Test runs failures 0 0 This test
58. allel Poll PP1 DC Device Clear DC1 DT Device Trigger DT1 C Any Controller CO Electrical Characteristics E2 2 12 RS 232C Interface The HP 16500A interfaces with RS 232C communication lines through a standard 25 pin D connector The HP 16500A is compatible with RS 232C protocol When a hardwire handshake method is used the Data Terminal Ready DTR line pin 20 on the Com puter Modem connector is used to signal whether space is available in the logical I O buffer for more data Table 2 2 shows the RS 232C signal definitions 2 8 16500A 16501A Installation Table 2 2 RS 232C Signal Definitions RS 232C Pin No Function Standard Signal Direction and Level 1 Protective Ground AA Not applicable 2 Transmitted Data TD BA Data from Mainframe High Space 0 12V Low Mark 1 12V 3 Received Data RD BB Data to Mainframe High Space 0 3V to 25V Low Mark 1 3V to 25V 4 Request to Send RTS CA Signal from Mainframe High ON 12V Low OFF 12V 5 Clear to Send CTS CB Signal to Mainframe High ON 3V to 12V Low OFF 8V to 25V 6 Data Set Ready DSR CC Signal to Mainframe High ON 8V to 25V Low OFF 3V to 25V 7 Signal Ground SGND AB Not applicable 8 Data Carrier Detect DCD CF Signal to Mainframe High ON 8V to 25V Low OFF 8V to 25V 20 Data Terminal Ready DTR CD Signal from Mainframe High ON 12V Low OFF 12V 23 Data Signa
59. ame Reverse this procedure to install the replacement mother board 16500A 16501A Service IE 7 7 4972 2 4 75 S VAS VAS RS VAS 2 Figure 6 40 Mother Board Replacement 6 51 16500A 16501A Service 6 13 When necessary refer to other removal procedures HP 16500A and HP 16501A 1 Remove the power cord and the top cover To remove the top cover refer to section 6 10 Cover Removal 2 Remove the rear fan mounting screws Remove the complete rear fan assembly from the rear panel of the instrument 3 Disconnect the rear fan power cable Remove the fan from the fan cover 4 Reverse this procedure to install the replacement rear fan Make sure that the fan power cable is dressed under and between the fans 6 52 16500A 16501A Service Figure 6 41 Rear Fan Replacement 6 53 16500A 16501A Service 6 14 Side Fan Replacement When necessary refer to other removal procedures HP 16500A and HP 16501A 1 Remove the power cord and top bottom and right side covers To remove the covers refer to section 6 10 Cover Removal 2 Remove the four side fan mounting screws 3 Reach through the top of the instrument a
60. bration 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 repair 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 opera tion 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 HP SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE EXCLUSIVE REMEDIES
61. cated above the mainframe interface card Starting from the top pull the cards and filler panels halfway out See figure 6 51 530 EX Figure 6 51 Endplate Overlap Figure 6 52 Endplate Overlap Loosen the thumb screws on the mainframe interface card and remove it Slide the replacement mainframe interface card into the card cage of the HP 16500A mainframe Reposition all cards and filler panels so that the endplates overlap properly Firmly seat the bottom card into the backplane connector of the mainframe Keep applying pressure to the center of the card endplate while tightening the thumb screws finger tight Repeat for all cards and filler panels in a bottom to top order See figure 6 52 Note Filler panels must be installed in all unused card slots for correct air circulation Any filler panels that are not used should be kept for future use Connect the interface cable to the mainframe interface card located in the HP 16500A mainframe Note In order to ensure correct connection of the interface cable the 68 pin D connectors on the cable are asymetric in shape They only fit into the ports on the cards when oriented to match the shape of the ports When reconnecting the interface cable make sure the cable connector is properly seated into the port on the expansion interface card by pulling the cable connector without pressing the release tabs If the connector is pro
62. chart 7 6 27 6 25 Troubleshooting 8 6 28 16500A 16501A Contents Figure Title Page 6 26 Troubleshooting Flowchart 9 4 6 29 6 27 Troubleshooting Flowchart 10 6 30 6 28 Troubleshooting Flowchart 11 6 31 6 29 Troubleshooting Flowchart 12 2 6 32 6 30 Color Module to Microprocessor Cable 6 35 6 31 Horizontal and Vertical Sync 90 6 35 6 32 Power Supply 6 37 6 33 Power SUpplY deu age ae ete Deed 6 39 6 34 1651 Format Menu u l n Pe ettet eed tm n deer erit ERR 6 41 6 35 Probe Connections C 6 41 6 36 Expander Test 6 42 6 37 FIP 1651B Test Sereen I M 6 43 6 88 Probe Tip GOnneCtions corte ER gt erede epe etc ewes 6 44 6 39 Power Supply 6 49 6 40 Mother Board 6 51 6 41 Rear Fan Replacement 6 53 6 42
63. checks the system mainframe The test computes a checksum for the ROM and compares it to known stored value Figure 6 11 ROM Test Screen 16500A 16501A Service 3 Touch the field slide your finger downward to the Single Repetitive or Cancel field then lift your finger off the screen If the Cancel field is selected the test sequence is not started See figure 6 12 Mainframe Test ROM Test This test checks the system mainf The test computes a checksum and compares it to a known stor Figure 6 12 Choosing the Single or Repetitive Mode In the Single mode the test is done only 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 was performed and the failures column contains the number of times the test failed See figure 6 13 The run fail count is reset to zero when the Done field is selected Mainframe Test Run ROM Test runs failures 0 This test checks the system mainframe ROM The test computes a checksum for the ROM and compares it to known stored value Figure 6 13 ROM Test with Test Results 4 To exit the ROM Test touch the Done field The Mainframe Test menu is displayed Note that the test status has changed to either PASSED or FAILED 6 14 16500A 16501A Service
64. controller The HP 16500A mainframe RS 232C interface is compatible with standard RS 232C protocol The interface consists of a controller an input buffer 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 microprocessor The controller also generates all the different baud rates and formats available with the mainframe The input and output buffers transfer data and control signals to and from the RS 232C communication lines The main components of the disk drive interface are the drive controller and the digital data separator The controller provides the interface between the microprocessor and the two disk drives It also performs all functions necessary to write or read data to or from the disks Data between the microprocessor and disk drives are serialized by the drive controller The function of the digital data separator is to synchronize data between the interface and disk 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 on screen This function is performed by a 100 MHz acquisition device operating in the transitional timing mode 6 5 16500A 16501A Service 6 5 Power Up Tests The HP 16500A power up tes
65. d format disk Programmability Instrument settings and operating modes including automatic measurements may be remotely pro grammed RS 232C or 488 Hardcopy Output Printers Supported HP ThinkJet HP QuietJet HP LaserJet HP PaintJet HP Deskjet Epson and Epson compatible e g Epson FX 80 via RS 232C or HP IB RS 232C Configurations Protocols XON XOFF Hardware Data bits 8 Stop bits 1 1 1 2 2 Par ity none odd or even Baud rates 110 300 600 1200 2400 4800 9600 19200 Input Output Rear Panel BNCs Input BNC Labeled Port in Input signal must drive four LS TTL loads active high Output BNC Labeled Port out Output signal is active high TTL output level high gt 2V into 50 Ohms low lt 0 4V into 50 Ohms 1 4 16500 16501 General Information Table 1 1 16500 16501 Operating Characteristics Continued Operating Environment Temperature Humidity Altitude Vibration Weight HP 16500A HP 16501A Instrument to 55 C 32 F to 131 F Disk Media 10 C to 50 C 50 F to 122 F Probes and Cables 0 C to 65 32 F to 149 F Instrument up to 95 relative humidity at 40 104 F Disk media 8 to 80 relative humidity at 40 C 104 F Up to 4600 m 15 000 ft Operating Random vibration 5 500Hz 10 minutes per axis 0 3g rms Non operating Random vibration 5 500Hz 10 min
66. d on the bottom PC board to eliminate red green and blue bowing at the top and bottom of the center vertical line See figure 4 19 M5411005 Figure 4 19 Y BOW Adjustment 3 Adjust the Y BOW CROSS RV804 located on the bottom of the PC board to eliminate red green and blue orthogonal misalignment at the top and bottom of the center vertical line See figure 4 20 R O B N R D M541 1006 Figure 4 20 BOW CROSS Adjustment 16500A 16501A Adjustments Dynamic Convergence Continued 4 Adjust the V STAT TOP RV801 and the V STAT BOTTOM RV802 located on the bottom PC board These two adjustments allow you to obtain coincidence of red blue and green where the top and bottom horizontal lines intersect with the center vertical line See figures 4 21 and 4 22 R B G G R RGB RGB O Dc s cS CM 5411047 Figure 4 21 V STAT TOP Adjustment O RGB RGB R B B R c ML CNN Xu c M541 1008 Figure 4 22 V STAT BOTTOM Adjustment 4 18 16500 16501 Adjustments Dynamic Convergence Continued 5 Adjust the RV807 located on the bottom PC board for equal amounts of misconvergence m2 RNC M5411009 Figure 4 23 H AMP Adjustment at the right and left sides of the screen See figure 4 23 D MEME c R G R B G R R G B 0
67. e bus and the fan speed control circuit The mother board 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 control circuit is located on the microprocessor board The front and rear disk drives use 3 5 inch double sided double density disks All of the disk drive control circuitry is located on the microprocessor board CAUTION To avoid the loss of your data do not use high density disks in the HP 16500A The color module 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 synchronized 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 located on the microprocessor board HP 16500A 16501A Service The front panel board is based on the Hewlett Packard Human Interface Link HP HIL and consists of the touchscreen system the front panel control knob the optional mouse and the optional keyboard All of the touchscreen and knob circuitry of the HP HIL is located on the front
68. e 4 1 Configuration Master Frame rT Keyboard Controller RS 232C Printer Figure 4 1 System Configuration Menu 2 Touch the Configuration field then touch the Test field from the pop up menu See figure 4 2 d Keuboar Controller RS 232C _ Printer Figure 4 2 Accessing the Test System 16500 16501 Adjustments 3 Verify that test files are an installed disk Touch the field close to the center of the screen to load the Test System See figure 4 3 Touch to Load Test System Module Name Code Version Card ID Code ROM Version 00 02 System Memory 2 5 Figure 4 3 Loading the Test System 4 After the Test System has been loaded from the disk the Test Configuration will be displayed See figure 4 4 Configuration Master Frame Keyboard 3 2 Controller RS 232C Printer Figure 4 4 Test System Configuration 16500A 16501A Adjustments 5 Touch the Test System field then select Mainframe Test from the pop up menu See figure 4 5 Hester Mainframe Test Keyboard Controller Figure 4 5 Selecting Mainframe Test Menu 6 The Mainframe Test menu is now displayed See figure 4 6 Select the Color Display Test field to display the white cross hatc
69. een can still be used to operate the instrument except for the touch sensitive areas controlled by the faulty LED pairs The fail message indicates that the touchscreen is faulty and cannot be used to operate the instrument The fail message is displayed if five or more LED pairs of the touchscreen system are defective If the Touchscreen Test fails you can still operate the instrument by using a mouse If a mouse is connected and the Touchscreen Test fails meaning there are five or more defective LED pairs then the impair message is displayed instead of the fail message and the mouse can be used to operate the instrument To obtain true Touchscreen Test results disconnect the mouse before performing the test For Touchscreen Test failures clean the screen and the surrounding area and move any objects blocking the screen at power up Verify the continuity and connection of the cable from the microprocessor board to the front panel board If a problem is not found with the cable and the Touchscreen Test still fails after cleaning the instrument suspect a faulty front panel board HP 16500A 16501A Service Front and Rear Disk Tests The Disk Tests read each disk to identify the format If the format cannot be identified the test is considered to have failed for that disk drive disk cannot be detected the message no disk is displayed instead of the pass or fail message This power up disk test only checks a few tracks
70. emain connected to the port Figure 2 13 shows the HP 16500A and HP 16501A configuration o o o of 16515 64 Figure 2 13 Configuration HP 16500A 16501A Installation 8 on the HP 16500A 16501A Logic Analysis System a Connect a power cord to each frame b on the line switch located on the rear panel of each frame Turn on the power standby switch located on the front panel of the HP 16500A mainframe When the power up tests are complete the HP 16500A mainframe screen shows the Mainframe Interface Card in one of the card slots See figure 2 14 System Configuration 9 Controller Mainframe Interface Card RS 232C Printer Figure 2 14 System Configuration Menu 2 16 Section Ill Performance Tests 3 1 Introduction TABLE OF CONTENTS 16500A 16501A Performance Tests SECTION Performance Tests 3 1 Introduction This section normally contains the performance verification tests Because there are no specifications for the HP 16500A 165014 to test there are no performance tests 3 1 5 Section Adjustments Page EET Et 4 1 42 De
71. enter Using a flexible ruler adjust H SIZE RV504 and V HEIGHT RV502 located on the left hand side PC board so that the border of the cross hatch 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 the left hand side PC board to center pattern Adjust PIN AMP RV506 located on the left hand side PC board to eliminate pincushion distortion in the vertical lines of the cross hatch pattern as shown in figure 4 12 p RET 75 uu Wes L ek an ue M5411012 Figure 4 12 PIN AMP Adjustment 4 9 16500A 16501A Adjustments Geometry Adjustments Continued 8 Set the instrument on its left side color module side up then remove the bottom rail See figure 4 13 Note Leave the instrument standing on its left side until the PIN PHASE adjustment has been completed USE USE USE 15 TORX 10 TORX 15 TORX DRIVER DRIVER DRIVER N G O O G G O O90 DS YEA EA 4 7 20 4 L S 16522 36 Figure 4 13 Bottom Removal 4 10 16500A 16501A Adjustments Geometry Adjustments Continued 9 Adjust PIN PHASE RV505
72. er Test is accessed the same as in step 7 14 On the HP 1651B select Run The results on the HP 1651B screen should be similar to figure 6 37 with the Data and Address alternating between AA and 55 and with the Strobe showing a hexadecimal representation of walking Os through the data bits If the test results are not correct replace the interface cable and reconfigure the HP 16500A 16501A system Then return to the Expansion Frame Flowchart 12 If the test results are correct continue with this procedure 6 44 16500 16501 Service Expansion Interface Card 15 16 20 Turn off the HP 16500A 16501A system then remove the power cord from the mainframe and from the expansion frame Remove the expansion interface card far enough to read the reference designators of the components on the front of the card closest to the mother board To remove the expansion interface card board refer to section 6 20 Expansion Interface Board Replacement Connect the HP 1651B pod 1 and pod 2 probe tip assemblies to three DIP clips as shown in figure 6 35 The HP 1651B System Configuration menu and the Format menu are the same as in step 1 and step 2 Connect the DIP clips to U1 U2 and U3 of the expansion interface card a Connect the Data DIP clip pod 1 0 through pod 1 7 to U1 b Connect the Address DIP clip pod 1 8 through pod 1 15 to U2 c Connect the Clock and Strobe DIP clip pod 2 0 through pod 2 4 and
73. eshooting Flowchart 10 FROM MAINFRAME TESTS FLOWCHART 6 DOES INTERNAL LOOPBACK TEST FAIL DOES EXTERNAL GO TO MAIN FLOWCHART REPLACE MICROPROCESSOR BOARD N 2 gt LOOPBACK TEST FAIL 15 LOOPBACK CONNECTOR INSTALLED INSTALL CONNECTOR ON 5 232 PORT AND TEST YES DOES EXTERNAL LOOPBACK TEST FAIL REPLACE MICROPROCESSOR BOARD 16500 07 Figure 6 27 Troubleshooting Flowchart 10 6 30 1 16500A 16501A Service HP 16500 16501 Intermodule Flowchart Troubleshooting Flowchart 11 FROM MAINFRAME TESTS FLOWCHART 6 FLOWCHART 1 Is I ALL OPTIONAL REPLACE BOARD IDS MAINFRAME INTERFACE gt 4 E BOARD NOTE E REFER TO THE SERVICE MANUAL gt OF EACH MODULE FOR ID CODES REMOVE POWER RESEAT BOARDS REPLACE AND MICROPROCESSOR BOARD REAPPLY POWER ARE ALL OPTIONAL YES BOARD IDS PRESENT 2 NO REPLACE gt 16500T08 Figure 6 28 Troubleshooting Flowchart 1 1 6 31 16500A 16501A Service HP 16500A 16501A Expansion Frame Flowchart Troubleshooting Flowchart 12 FROM MAIN FLOWCHART 2 IS EXPANSION FRAME LED ON 2 GO TO
74. etallic Adjustment HP Part Number 8710 1355 Procedure Note The following adjustments are broken down into adjustment groups The sequence of the adjustment groups must be followed due to the interaction and dependency of one adjustment to another The adjustment group sequence is shown in the adjustment flow diagram in figure 4 11 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 16500 16501 Adjustments IF CRT ADJUSTMENTS ARE REQUIRED PERFORM GEOMETRY ADJUSTMENT Y 15 YES COLOR gt PURITY Y M PERFORM LANDING ADJUSTMENT S YES RGENCE PERFORM CONVERGENCE ADJUSTMENTS YES IS WHITE BALANCE OK PERFORM WHITE BALANCE ADJUSTMENTS Y Figure 4 11 CRT Module Adjustment Flow Diagram 16500F05 4 8 16500A 16501A Adjustments Geometry Adjustments 1 From the Mainframe Test System select the Display Test menu Select the white cross hatch test pattern Refer to section 4 4 Adjustment Test Patterns for accessing the test patterns Preset the front panel BACKGROUND control to mechanical center Preset the front panel BRIGHTNESS control to maximum Preset H SUB SHIFT RV006 and V SUB SHIFT 008 located on the bottom PC board to mechanical c
75. flowchart Table 6 1 Cable Pin Numbers Pin Numbers Signal 3 Horizontal Sync 7 Vertical Sync 21 Red Display Data 29 Green Display Data 37 Blue Display Data 16500 16501 Service P 1 PIN 39 RED STRIPE REEHHEEHEHHEHHEEHHESHH PIN 2 PIN 40 16500 38 Figure 6 30 Color Module to Microprocessor Cable Horizontal Vertical Figure 6 31 Horizontal and Vertical Sync Signals 6 35 16500A 16501A Service Power Supply Check Check the power supply LEDs for indications of power supply problems 1 2 6 36 Turn off the power switch located the rear panel of the instrument then remove the top cover Apply power to the instrument Using figure 6 32 as a reference check the power supply LEDs Note Tape is put over the power supply screws that are close to the top cover If the tape is missing or damaged and the top cover is installed the power supply might shut off If the power shuts off after installing the top cover check the tape on the power supply shown in figure 6 32 Note problems with the power supply then return to the power supply flowchart 16500A 16501A Service 12 V DC LED IF ON 16500E39 OVER TEMP LED IF ON POWER SUPPLY IS SHUT DOWN OVER CURRENT LED IF ON POWER SUPPLY IS SHUT DOWN OVER VOLTAGE LED
76. gaussing the DIsplay 5 aie et i 4 1 4 3 Safety 4 1 4 4 Adjustment Test Patterris erret 4 2 4 5 Color Display Module Adjustments 4 1 Introduction The HP 16500A 16501A requires no adjusting when used in a normal environment The procedure given in this section is for the color module Do not perform these adjustments as part of regular maintenance Observe the following rules before making any color module adjustments CAUTION Do not perform this procedure as normal maintenance Make adjustments only if the instrument has been subjected to extreme magnetic environments and the colors are incorrect Before making any adjustments try degaussing the unit using the rear panel degaussing switch or a color television type degaussing coil Only qualified personnel who are familiar with color CRT convergence procedures should perform this adjustment Before adjustments are made mark the position of the potentiometers This process allows you to return the adjustments to their original starting position HP 16500 16501A Adjustments SECTION IV Adjustments 4 2 Degaussing the Display After the instrument has been used for awhile the CRT may become magnetized and the color or other data may become distorted To correct these problems press the Degauss button on the power supply rear panel several times If the i
77. h test pattern which is the first test pattern in the system See figure 4 7 Mainframe Test Test status UNTESTED Disk Test status UNTESTED RAN Test status UNTESTED HP IB Test status UNTESTED status Intermodule Test status UNTESTED or Display Test RS 232C Test status UNTESTED Expander Test status UNTESTED HIL Test status UNTESTED All System Tests status UNTESTED Figure 4 6 Mainframe Test Menu 16500A 16501A Adjustments 7 With every touch of the Continue field the next test pattern will be displayed See figure 4 7 ul CONTINUE WHITE BLUE GREEN BLACK 16500E12 Figure 4 7 Selecting the Test Patterns When Continue is selected from the black raster pattern the Mainframe Test menu will be displayed Notice that the status of the Display Test field has changed to TESTED 8 To exit the Mainframe Test system and to reload the mainframe operating system touch the Mainframe Test field Then touch the Test System field from the pop up menu shown in figure 4 8 The Test System configuration will be displayed Mainframe T Mainframe Test R Disk Test status UNTESTED status UNTESTED RAM Test Intermodule Test status UNTESTED status UNTESTED HP IB Test Color Display Test status UNTESTED status UNTESTED RS
78. he holes in the end of the feet Loosen the screw in the rear of the top cover If a captive screw was used loosening the screw will pull the cover back When the screw is completely loose from the frame slide the cover off Remove the side strap handle Note that the handle is rounded on the side closest to the instrument Reinstall the handle with the same side toward the instrument remove the bottom cover turn the instrument on its side then loosen the screw in the rear of the bottom cover If a captive screw was used loosening the screw will pull the cover back When the screw is completely loose from the frame slide the cover off Replace the covers by reversing this procedure 6 47 16500A 16501A Service 6 11 Power Supply Replacement When necessary refer to other removal procedures HP 16500A 1 Remove the power cord the top cover the left side cover and the card or filler panel in the top slot of the card cage To remove the covers refer to section 6 10 Cover Removal To remove the optional module card refer to the Service Manual for each module Remove the front disk drive assembly Leave the disk drive and bracket in one assembly Leave the disk drive assembly connected to the cable and set it aside Refer to section 6 16 Front Disk Drive Replacement Remove the power supply rear panel Disconnect the color display to power supply cable from the power supply Remove t
79. he four power supply mounting screws Pull the power supply towards the rear panel of the mainframe until the power supply disconnects from the mother board connector Lift the front end of the power supply and guide it out of the mainframe Reverse this procedure to install the replacement power supply Before pushing the power supply into place make sure that it is properly aligned with the front connector of the mother board and with the rail guides of the card cage HP 16501A 1 6 48 Remove the power cord the top cover the left side cover and the card or filler panel in the top slot of the card cage To remove the covers refer to section 6 10 Cover Removal To remove the optional module card refer to the service manual for each module Remove the power supply rear panel Remove the four power supply mounting screws Pull the power supply towards the rear panel of the expansion frame until the power supply disconnects from the mother board connector Lift the front end of the power supply and guide it out of the expansion frame Reverse this procedure to install the replacement power supply Before pushing the power supply into place make sure that it is properly aligned with the front connector of the mother board and with the rail guides of the card cage 16500A 16501A Service AN y M 9 N EN C GS NNN A
80. hen by removing the spacers Note The deflection yoke spacers are tapered rubber blocks located between the front of the yoke and the rear of the CRT funnel 4 Plug the power cord into the instrument then turn on the instrument For thermal stability allow the instrument to warm up for 20 minutes WARNING Exercise caution when moving purity magnets Power is applied to the instrument and high voltages are present around the CRT 16500 16501 Adjustments Landing Adjustment 1 From the Display Test menu select the white raster full screen display 2 Turn the front panel BRIGHTNESS Control to maximum 3 Degauss the entire CRT screen by pressing the Degaussing switch located on the rear panel of the instrument Note In cases where your environment or the shipping environment has caused high levels of magnetization to take place you may need to externally degauss the CRT using a conventional television type degaussing coil to completely degauss the CRT PURITY MAGNET 5411001 Figure 4 15 Purity Magnet Centering 4 Set the purity magnet tabs to mechanical center See figure 4 15 5 Select the green raster from the Display Test menu 16500A 16501A Adjustments Landing Adjustment Continued 6 Move the deflection yoke towards the rear of the instrument until the left edge of the raster turns red 2 4 RED BLUE GREEN M5411002 Figure 4 16
81. ion store it onto a disk before beginning any self tests Accessing the Mainframe Test System To access the Mainframe Tests proceed as follows 1 With the operating system disk in one of the disk drives apply power to the instrument to obtain the System Configuration menu See figure 6 3 Configuration Master Frame mm d Keuboar Controller RS 232C T _ Printer Figure 6 3 System Configuration 6 8 16500A 16501A Service 2 Touch the Configuration field then touch the Test field from the pop up menu See figure 6 4 Configuration Master Frame Rear Disk d Keyboar Front Disk adir A Em Controller RS 232C AN _ Printer Figure 6 4 Accessing the Test System 3 Verify that test files are on an installed disk and that all valuable data has been stored Touch the field close to the center of the screen to load the test system See figure 6 5 Touch to Load Test System Module Name Code Version Card ID Code SYSTEM OPT 1 OPT 2 SLOT A SLOT B SLOT SLOT D SLOT ROM Version 00 02 System Memory 2 5 MB Figure 6 5 Loading the Test System Software 6 9 16500A 16501A Service 4 After the test software has been loaded the Test System Configuration menu is displayed See figure 6 6 Configuration Master Frame Keyboard Cont
82. isplayed Exit Test Touch box to Exit Test System Module Name Code Version Card ID Code ROM Version 00 02 System Memory 2 5 Figure 6 16 Reloading the Mainframe System 6 16 16500 16501 Description of Mainframe Tests Below is a brief description of each mainframe test After test is run the status advisory for each test changes from UNTESTED to PASSED or FAILED Except for the Color Display Test and the All System Tests when a test is selected from the Mainframe Test screen a test screen for that specific test is displayed Note If a mainframe test fails refer to section 6 7 Troubleshooting ROM Test This test checks the mainframe ROM on the microprocessor board The test computes a checksum for the ROM and compares it to a stored value For ROM Test failures suspect a faulty microprocessor board RAM Test This test checks the mainframe RAM on the microprocessor board The test performs a non destructive pattern write read at every location The initial RAM contents are restored after the test For RAM Test failures suspect a faulty microprocessor board 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 For HP IB Test failures suspect a faulty microprocessor board RS 232C Test This test checks the basic interface functions of the RS 232C port Both internal and external
83. l Rate Selector Signal from Mainframe Always High ON 12V 2 9 HP 16500A 16501A Installation 2 13 Baud Rate Selection The baud rate of the HP 16500A is set at power on for 9600 baud To change the baud rate proceed as follows 1 With the operating system disk in one of the disk drives turn on the instrument to obtain the System Configuration menu See figure 2 8 Configuration Master Frame ea El d Keyboar Controller RS 232C Printer Figure 2 8 System Configuration Menu 2 Touch the RS 232C field in the lower right corner of the screen to obtain the RS 232C configuration menu figure 2 9 Configuration Haster Frame RS 232C Configuration RS 232C Connected Baud Rate 9600 Paritu Stop Bits Protocol Xon Xoff Printer ThinkJet Data Bits Print width Page length Figure 2 9 RS 232C Configuration Menu 2 10 16500A 16501A Installation 3 Touch the Baud Rate field then select the required rate See figure 2 10 Make any other changes to the RS 232C configuration while you are in this menu Configuration Master Frame Boud Rete Parity Stop Bits Protocol Xon Xoff Printer Data Bits Print Width Page length Figure 2 10 Baud Hate Pop Up Menu 4 When the RS 232C configuration is correct touch the Done field and the System Co
84. ls to the expansion boards These test patterns can be captured bu another logic analuzer Reference the Service Hanual for more details Figure 6 36 Expander Test Screen 16500 16501 Service 8 Select on the 1651 then scroll the data to fill the screen The results on the 1651B screen should show the Data and Address alternating between AA and 55 See figure 6 37 MACHINE 1 State Listing Markers 6 37 HP 1651B Test Screen Also the screen should show the Strobe with a hexadecimal representation of walking Os through the data bits See figure 6 37 The hexadecimal hex representation can be changed to a binary representation as shown below Hex Binary 1E 11110 1D 11101 1B 11011 17 10111 OF 01111 If the test results are not correct replace the mainframe interface card and reconfigure the HP 16500 16501 system Then return to the Expansion Frame Flowchart 12 If the test results are correct reconfigure the HP 16500 16501 system Then continue with this procedure Interface Cable 9 Turn off the HP 16500 16501 system then remove the power cord from the mainframe and from the expansion frame Remove all option modules from the expansion frame 10 Remove the expansion interface card far enough to read the reference designators of the components on the back of the card
85. mat menu assign the eight least significant bits of Pod 1 pod 1 0 through pod 1 7 to the Data label and assign the eight most significant bits of Pod 1 pod 1 8 through pod 1 15 to the Addr label Assign the five least significant bits of Pod 2 pod 2 0 through pod 2 4 to the Strobe label Select a K falling edge clock Kl Refer to figure 6 34 Clock KL Clock Period gt 60 ns Activity gt Label Data Addr Strobe ff ff ff ff ff ff ff ff Figure 6 34 HP 1651B Format Menu Mainframe Interface Card 1 State Format Specification Specify Symbols 3 Turn off the HP 16500 16501 system then remove the power cord from the mainframe and from the expansion frame Remove all option modules from the HP 16500A mainframe Install a disk containing the HP 16500 operating system in one of the disk drives and install a disk containing the performance verification in the other disk drive 4 Connect the HP 1651B pod 1 and pod 2 probe tip assemblies to three DIP clips as shown in figure 6 35 DATA ADDRESS CLOCK gue ges om C i gue om POD 1 7 POD 1 7 POD 1 15 POD 1 15 CLK SIG GND 33 O SIG
86. module Test The Intermodule Test checks the functions of the intermodule timing correlation This test fails if there are any connections on the input BNC For Intermodule Test failures a mainframe suspect a faulty microprocessor board For Intermodule Test failures in a mainframe connected to an expansion frame suspect a faulty mainframe interface board Note The Intermodule Test screen shows the mainframe and expansion frame card slots and the card identification code of the module located in each slot Color Display Test The Color Display Test puts screen patterns and color screens on the monitor This test is mainly used to check for color purity Usually the purity problem can be solved using a degaussing coil If some pixels are not colored then there is probably a problem with the Display RAM on the microprocessor board For Color Display Test failures degauss the display Refer to section 2 14 Degaussing the Display If the Color Display Test still fails suspect a faulty microprocessor board or a faulty color display monitor All System Tests The All System Test will perform all the tests listed on the screen on the Mainframe Test menu except for the Color Display Test and the Expander Test When the tests are complete the status advisory for each test changes from UNTESTED to PASSED or FAILED The status advisory for the Color Display Test and for the Expander Test remains UNTESTED and the status advisory for the All Sy
87. n the one set at Hewlett Packard proceed as follows 1 Turn the front panel switch to STBY and turn the rear panel power switch to OFF Remove the power cord from the instrument 2 Replace the main fuse with a 5 A 250 V fuse for 230 V operation 10 A 125 fuse for 115 V operation 3 Set the rear panel Line Select switch for the desired line voltage See figure 2 1 4 Reconnect the power cord turn on the rear panel power switch then continue normal operation 2 7 Power Cable This instrument is equipped with a three wire power cable When connected to an appropriate 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 Line Select Switch 26 2 0 B 9e 16500E08 Figure 2 1 Line Voltage Selection Figure 2 2 Power Cord Configurations HP 16500A 16501A Installation ine N Neutral PLUG TYPE CABLE LENGTH COLOR COUNTRY PART NO IN CM OPT 900 8120 1351 Straight BS1363A 90 228 Groy United Kingdom 8120 1703 90 90 228 Mint Gray Cyprus Nigeria Zimbabwe Singapore 250V OPT 901 8120 1369
88. nd disconnect the fan power cable Figure 6 42 shows the bottom view of the instrument 4 Reverse this procedure to install the replacement side fan Make sure that the fan power cable is dressed under and between the fans 6 54 16500A 16501A Service FAN POWER CABLE CHIDDEN 16500E33 Figure 6 42 Side Fan Replacement 6 55 16500A 16501A Service 6 15 Rear Disk Drive Replacement When necessary refer to other removal procedures HP 16500A 1 6 56 Remove the power cord the bottom cover of the instrument To remove the bottom cover refer to section 6 10 Cover Removal Remove the four screws that connect the rear disk drive Disconnect the control cable for the disk drive then slide the rear disk drive assembly out of the rear panel Remove the insulator from the rear disk drive and install the insulator onto the replacement disk drive Set the address switch on the replacement disk drive assembly to the 0 position then reverse this procedure to install the replacement disk drive assembly 16500A 16501A Service CONTROL CABLE SCREWS QTY 4 INSULATOR SWITCH REAR DISK DRIVE 16500 27 Figure 6 43 Rear Disk Drive Replacement 6 57 16500A 16501A Service 6 16 Front Disk Drive Replacement When necessary refer to other removal procedures HP 165
89. nfiguration screen will be displayed HP 16500A 16501A Installation 2 14 Degaussing the Display After the HP 16500A has been used for awhile the CRT may become magnetized and the color or other display data may become distorted To correct these problems 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 or to replace the CRT 2 15 Operating 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 operation or malfunction Protection should be provided against internal condensation The HP 16500A 16501A will operate at all specifications 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 C to 35 C 68 F to 95 F Humidity 20 to 80 non condensing 2 16 Storage and Shipment The instrument may be stored or shipped in environments within the following limits Temperature 40 C to 75 C Humidity Up to 90 at 65 C Altitude Up to 15 300 meters 50 000 feet The instrument should also be protected from temperature extremes which cause condensation within the instrument 2 17 Packagi
90. ng Use the following general instructions for repacking the instrument with commercially available materials 2 12 Remove the disks from the disk drives and install the yellow shipping disks e Wrap the instrument in heavy paper or plastic e Use a strong shipping container A double wall carton made of 350 16 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 to prevent movement inside the container Protect the control panel with cardboard Seal the shipping container securely e Mark the shipping container FRAGILE to ensure careful handling In correspondence refer to instrument by model number and by full serial number 2 18 Tagging for Service If the instrument is to be shipped to a Hewlett Packard office for service or repair attach a tag showing the owner with address the complete instrument serial number and a description of the service required 2 19 Cleaning Requirements Use mild soap and water to clean the HP 16500A 16501A Do not use ammonia based products to clean the screen Ammonia damages the screen coating Clean the CRT display and surrounding area regularly Do not place tape or other foreign material on the screen Note If the CRT display is not clean or if foreign objects block the edges of the screen touchscreen failures can occur V
91. nstrument has been subjected to strong magnetic fields it may be necessary to degauss the CRT with a conventional external television type degaussing coil 4 3 Safety Considerations Although this instrument has been designed in accordance with international safety standards general safety precautions 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 adjustments should be performed only by qualified service personnel WARNING Read the Safety Considerations at the front of this manual before performing adjustment procedures Disconnect the instrument from all voltage sources before it is opened for any adjustment replacement maintenance or repair 16500A 16501A Adjustments 4 4 Adjustment Test Patterns Six test patterns are required for adjusting the color module one white cross hatch pattern one white full screen raster a full screen pattern for each primary color red green blue and one black full screen raster Access to the test patterns is gained through the Mainframe Test system To access the test patterns proceed as follows 1 Insert the operating system disk into one of the disk drives then turn on the instrument to obtain the System Configuration menu See figur
92. nt 6 64 Expansion Interface Board Replacement 6 70 Mainframe Interface Board 6 72 6 1 Introduction This section provides block diagram level theory of operation troubleshooting service and repair information for the HP 16500A 16501A 6 2 Safety Considerations The HP 16500A 16501A has been designed in accordance with accepted safety standards Safety symbols used with Hewlett Packard instruments are illustrated in the front of this manual These symbols should be reviewed before service work is performed WARNING Maintenance should be performed by trained service personnel aware of the hazards involved for example fire and electric sock When maintenance can be performed without power applied remove the power cord from the instrument HP 16500A 16501A Service SECTION VI Service 6 3 Service Test Equipment Required Equipment required for service is listed in section 1 table 1 2 Any equipment that satisfies critical specifications given in the table may be substituted 6 4 Theory of Operation This section contains block diagram level theory of operation for the HP 16500A 16501A This level of theory is not intended for component level troubleshooting rather it is to be used to help isolate an instrument failure to a replaceable assembly The theory of operation is divided into two parts the
93. 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 handshaking and form the second functional group The remaining five general interface management lines third functional group are used to manage the devices connected to the HP IB This includes activating all connected devices at once and clearing the interface The connections to the HP IB connector on the rear panel are shown in figure 2 4 HP 16500A 16501A Installation 12 24 SIGNA ND gt 57 MICRORIBBON CONNECTOR 01652 05 Figure 2 4 Interface Connector 2 10 HP IB Address Selection Each instrument connected to the HP IB interface bus requires a unique address The address provides a method for the system computer to select individual instruments on the bus The address of the HP 16500A defaults at power on to decimal 07 The corresponding ASCII code is a listen address of and a talk address of 2 5 HP 16500A 16501A Installation To change the address of the HP 16500A proceed as follows 1 With the operating system disk in one of the disk drives turn the instrument on to obtain the System Configuration menu See figure 2 5 Configuration Master Frame 9 Keyboar C
94. on one edge Disconnect the flat microprocessor cable the power cable and the front panel control cable from the old module noting the location of the cables Connect the cables to the replacement module 16500A 16501A Service MOUNT ING BRACKET i Q REAR SUPPORT BRACKET NOTCH FRONT MOUNTING BRACKETS COLOR DISPLAY TO MICROPROCESSOR CABLE COLOR DISPLAY TO FRONT PANEL CABLE COLOR DISPLAY BRACKET NUT TO 16509 37 QTY 4 POWER SUPPLY Figure 6 48 Transferring Parts 6 67 16500A 16501A Service Installing the Replacement Color Display Module 1 6 68 Carefully slide the color display module most the way into the mainframe To prevent damage to the cables make sure that they clear the mainframe Connect the color display to power supply cable to the power supply Slide the display module completely into the mainframe Attach the display module to the front frame with four screws two on the top casting and two on the bottom casting Do not tighten the screws Move the sheet metal nuts located on the front tabs of the center board guide so that the holes in the sheet metal nuts and the tabs line up Attach the front tabs of the center board guide to the front frame Reinstall the front panel assembly connecting the front panel cables Make sure the front panel assembly is properly seated before tightening the hardware Push the display module forward
95. ontroller RS 232C 8 Printer Figure 2 5 System Configuration Menu 2 Touch the HP IB field to obtain the HP IB Configuration Menu See figure 2 6 Configuration Master Frame tr Address 7 RS 232C Printer Figure 2 6 HP IB Configuration Menu 2 6 16500A 16501A Installation 3 Rotate the knob to select the desired HP IB address The address number is shown the HP IB Address field The address number may also be entered via the keypad Touch the HP IB field again to bring up the keypad Select the new number using the keypad then touch Done to enter Configuration 4 Master Frame Lever eyboard Ce ae ge 9 ntroller RS 232C CLEAR DONE Printer Figure 2 7 HP IB Configuration with Keypad the new selected address See figure 2 7 4 Touch Done to exit the HP IB Configuration menu 2 7 HP 16500A 16501A Installation 2 11 HP IB Interface Functions The HP IB interface offers 10 functions to support communications Table 2 1 lists the HP IB functions that the HP 16500A uses Table 2 1 16500A Functions HP 16500A Mne Implemen monic Interface Function Name tation SH Source Handshake SH1 AH Acceptor Handshake T Talker or TE Extended Talker T5 L Listener or LE Extended Listener L4 SR Service Request SR1 RL Remote Local RL1 PP Par
96. pacitors inside the instrument may still be charged even if 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 necessary 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 indi cate circuit common connected to grounded chas sis 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 It calls attention to an operating procedure practice or the like which if not correctly performed or adhered to could result in damage to or destruc tion of part or all of the product Do not proceed beyond a CAU TION sign until the indicated conditions are fully understood or met CAUTION 5 10984 CERTIFICATION Hewlett Packard Company certifies that this product met its published specifications at the time of ship ment from the factory Hewlett Packard further certifies that its calibration measurements are traceable to the United States National Bureau of Standards to the extent allowed by the Bureau s calibration facility and to the cali
97. panel board and the controller for the link is located on the microprocessor board The power supply provides the following regulated voltages 12 0 5 0 3 5 12 0 5 2 3 25 120 120 0 V supply is used only by color module Current limiting overvoltage protection and thermal shutdown are provided for all supplies The HP 16501A is the expansion frame for the Logic Analysis System The expansion frame components include the following Expansion Interface Board Mainframe Interface Board inserts into the HP 16500A Interface Cable Mother Board Power Supply The HP 16501A is an extension of the backplane of the HP 16500A mainframe After you turn on the mainframe the HP 16500A microprocessor board looks for a mainframe interface board in any one of its five card slot If it is present and if the interface cable connects the two frames the microprocessor board establishes a link between the backplanes of the two frames which then are displayed as a nine slot system The HP 16501A power supply is identical to the HP 16500A power supply When power is applied to the HP 16500A a relay allows the power supply in the HP 16501A to turn on An LED on the front panel indicates that the expansion frame has turned on 16500A 16501A Service HIL INTERFACE RS 232C INTERFACE
98. perly seated it will remain connected to the port 16500A 16501A Service SNP 9 8 6 8 9 16501E10 Figure 6 53 Mainframe Interface Board Replacement 6 73 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 volt age the correct fuse is installed and Safety Precautions are taken see the following warnings In addition note the instru 8 external markings which are described under Safety Symbols WARNING Servicing instructions are for use by service trained person nel To avoid dangerous electric shock do not perform any servicing unless qualified to do so BEFORE SWITCHING ON THE INSTRUMENT the protec tive 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 pro vided with a protective earth contact The protective action must not be negated by the use of an extension cord power cable without a protective conductor grounding Grounding one conductor of a two conductor outlet is not sufficient protection e If this instrument is to
99. portions of the port circuitry are tested In order for the RS 232C test to pass the RS 232C loopback connector must be installed on the microprocessor board rear panel For RS 232C Test failures verify the connection of the RS 232C loopback connector then suspect a faulty microprocessor board 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 or a fail message This test cannot be run repetitively Every time the Run field is touched the HIL test sequence is repeated The HIL controller test checks the control circuitry on the microprocessor board For HIL controller test failures suspect a faulty microprocessor board The front panel test checks the front panel circuitry for correct operation For front panel test failures verify the connection and continuity of the front panel to microprocessor board cable If a problem is not found with the cable then suspect a faulty front panel board The touchscreen test checks for light pulses between LED light emitting diode pairs For Touchscreen Test failures clean the screen and the surrounding area and move any objects blocking the screen when you turn on the mainframe Verify the continuity and connection of the cable from the microprocessor board to the front panel board If a problem is not found with the cable and the Touchscreen Test still fails after cleaning the instrument suspect a fault
100. pped with a standby switch on the front panel that 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 After making repairs perform the power up test and all tests of the mainframe test system Table 6 3 Replaceable Assemblies Paragraph Assembly HP 16500A 16501A 6 10 Cover Removal 6 11 Power Supply 6 12 Mother Board 6 13 Rear Fan 6 14 Side Fan HP 16500A 6 15 Rear Disk Drive 6 16 Front Disk Drive 6 17 Microprocessor Board 6 18 Front Panel Board 6 19 Color Display Module HP 16501A 6 20 Expansion Interface Board In the HP 16501A 6 21 Mainframe Interface Board In the HP 16500A 6 46 16500 16501 6 9 Tools Required Most hardware requires TORX tools in sizes 10 15 and 25 Also needed is an 8 mm nut driver and a Pozidriv 2 screwdriver 6 10 Cover Removal There are four outside covers on the HP 16500A and on the HP 16501A a top cover a bottom cover and two side covers When removing the covers note where the shielding braid is located If the shielding braid separates from the covers reinstall it when replacing the covers The shielding braid helps the instrument meet EMI electromagnetic interference specifications 1 Remove the four rear feet The screws connecting the feet to the frame are accessible through t
101. roller RS 232C Printer Figure 6 6 Test System Configuration 5 Touch the Test System field then touch Mainframe Test from the pop up menu The Mainframe Test menu is displayed See figure 6 7 Mainframe Test Print ROH Test Disk Test status UNTESTED status UNTESTED R H Test Intermodule Test status UNTESTED status UNTESTED HP IB Test Color Displau Test status UNTESTED status UNTESTED RS 232C Test Expander Test status UNTESTED status UNTESTED HIL Test All System Tests status UNTESTED status UNTESTED Figure 6 7 Mainframe Test Menu Note The Expander Test is used during troubleshooting and is not a performance verification test 6 10 16500A 16501A Service Performing System Test To perform the All System Test proceed as follows 1 Install a formatted disk into each disk drive be sure to verify that the disks are not write protected Install the RS 232C loopback connector on the microprocessor RS 232C port Remove any connections to the input BNC 2 Access the Mainframe Test menu as described in Accessing the Mainframe Test System in this section 3 Touch the All System Tests field The instrument performs all the tests that are listed on the screen except the Color Display Test and the Expander Test See figure 6 8 Mainframe Test Test st Disk Tests Disk Test ROM Te status PASSED 513115 PASSED
102. ront panel LED and one cable is connected to the mother board Remove the two screws connecting the expansion interface board to the rear panel of the expansion frame Carefully slide the expansion interface board out of the expansion frame Reverse this procedure to install the replacement expansion interface board Note In order to ensure correct connection of the interface cable the 68 pin D connectors on the cable are asymmetric in shape They only fit into the ports on the boards when oriented to match the shape of the ports When reconnecting the interface cable make sure the cable connector is properly seated into the port on the expansion interface board by pulling the cable connector without pressing the release tabs If the connector is properly seated it will remain connected to the port 16500A 16501A Service Figure 6 50 Expansion Interface Board Replacement 6 71 16500A 16501A Service 6 21 Mainframe Interface Board Replacement 1 6 72 Turn off the HP 16500A mainframe power switch then unplug the power cord Disconnect any input connections Disconnect the interface cable from the mainframe interface card board by pressing the release tabs on either side of the cable connector while pulling the connector away from the card Starting from the top loosen the thumb screws on filler panels and cards in the HP 16500A mainframe that are lo
103. s are automatically performed every time power is applied to the instrument The results of the tests are reported on the screen When the tests pass the information printed on the instrument screen during the power up self tests includes the following 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 Disk Test passed Front Disk Test LOADING SYSTEM FILE If the instrument passes all power up tests the power supply color module and portions of the microprocessor board are working correctly 16500A 16501A Service HP 16500A 16501A Main Flowchart Troubleshooting Flowchart 1 START LOAD OPERATNG SYSTEM DISK AND APPLY POWER 15 DO COMPLE TE YES POWER UP POWER UP SCREEN DISPLAYED TESTS PASS TO NO POWER UP TESTS YES FLOWCHART 4 REMOVE 15 OPTIONAL MODULES SYSTEM CONF IGURATION MENU DISPLAYED 2 SYSTEM START FLOWCHART 5 IS COMPLETE POWER UP SCREEN DISPLAYED 15 EXPANSION FRAME CONNECTED GO TO MAIN FIND FLOWCHART 2 DEFECTIVE MODULE REINSTALL BY REINSTALLING MODULES FROM ONE MODULE AT A TIME MAIN FLOWCHART 2 Y 3 LOAD PV DISK REPLACE DEFECTIVE MODULE TO COLOR MODULE FLOWCHART 3
104. stem Tests changes from UNTESTED to TESTED Expander Test The Expander Test is used during troubleshooting to check the data and control signals through the HP 16501A expansion frame components 6 18 16500 16501 Service 6 7 Troubleshooting The troubleshooting information for the HP 16500A 16501A consists of flowcharts signal information for the color module power supply voltages and interface troubleshooting Troubleshooting an instrument failure to the assembly level can be accomplished using the troubleshooting flowcharts provided in this section The flowcharts refer to other tests and tables to help you isolate problems Equipment Required A voltmeter a system disk a second formatted disk a disk with test software and the RS 232C connector are required to perform the tests Also a state analyzer is required for interface troubleshooting Refer to table 1 2 for the recommended test equipment Before performing any tests install the RS 232C loopback connector insert the system disk into one disk drive and insert the formatted disk into the other disk drive Troubleshooting Flowcharts The flowcharts are organized into the Main Expansion Frame Color Module System Start and Power Supply troubleshooting flowcharts Also flowcharts are included for the RS 232C HIL Disk and Intermodule Tests Descriptions of the power up tests and the Mainframe Tests are provided earlier in this section The power up test
105. strument Critical Specification Recommended Model Use State Analyzer 10 MHz Acquisition Speed HP 1651B T 22 Channels Oscilloscope 100 MHz Bandwidth HP 54501A T RS 232C HP Part No T Loopback 01650 63202 Connector Voltmeter 3 1 2 Digit Resolution HP 3468A T A Adjustments P Performance Tests T Troubleshooting Section Il TABLE OF CONTENTS Installation Page P 2 1 2 2 Safety 2 1 2 3 Initial 2 1 2 4 Operating Disk 2 1 M 2 1 2 6 Line Voltage 2 1 2 7 Power Cable iced cred det E du vae edt pa aD de epa at 2 2 aeter ded d tetti Eid teres 2 4 2 9 HP IBInteifacing 2 5 2 10 HP IB Address 2 5 2 11 HP IB Interface 2 8 2 12 RS 292 Interface et Eee pt be ege ttes 2 8 2 13 Baud Rate 2 10 2 14 Degaussing the C renean 2 12 2 15 Operating
106. t white balance Note Using an average piece of white photocopy paper compare the white on the CHT to the paper Repeat steps 1 through 3 and 6 through 10 until the white balance is acceptable Reinstall the cooling fans Refer to section 6 Service for the fan installation procedures 5 Section V Replaceable Parts Page Bede InttodUCctoriz ia Le dte ie 5 1 5 2 Abbreviations ea eoe tup E m itd Ree Dad utn EIU ET LED 5 1 5 3 Replaceable Parts 5 1 5 4 Exchange 5 1 5 5 Ordering Information _ __ _ _ _ _ _ ____ 5 1 5 6 Direct Order 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 and table 5 3 list 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 in partial or no capitals 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
107. the replacement microprocessor board 16500 16501 Service CABLE COLOR DISPLAY MODULE CABLE REAR DISK DRIVE Figure 6 45 Microprocessor Board Replacement 6 61 16500A 16501A Service 6 18 Front Panel Board Replacement When necessary refer to other removal procedures HP 16500A 1 6 62 Remove the power cord the bottom cover remove the bottom cover refer to section 6 10 Cover Removal Remove the top trim from the front frame Disconnect the two cables from the front panel board One cable is connected to the color display module and one cable is connected to the mother board Remove the screws connecting the front panel assembly to the top and bottom of the frame Remove the front panel assembly by pushing on the back of the assembly from inside the instrument 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 Remove the clip holding the front panel board to the front panel assembly Remove the bezel from the front panel board Unplug the RPG knob cable Remove the screws connecting the front panel board to the front panel then remove the front panel board Reverse this procedure to install the replacement front panel board 16500A 16501A Service 6 63 l gt 9
108. the total system card slots to nine 1 5 Accessories Supplied The following accessories are supplied with the HP 16500 16501 One power cord See section 2 Installation for the available power cords One HP 16500A 16501A Logic Analysis System Operation Reference Manual One HP 16500A 16501A Logic Analysis System Programming Reference Manual One HP 16500A 16501A Logic Analysis System Service Manual One Feeling Comfortable With Logic Analyzers guide One Feeling Comfortable With Digitizing Oscilloscopes guide e Rear panel filler panels The quantity of filler panels depends on how many modules are ordered with the HP 16500 16501 e Disk pouch containing composite software e Disk pouch containing systemized operating system software One RS 232C loopback connector One blank disk 1 6 Accessories Available The accessories available for the HP 16500A 16501A include the following HP 46060A Mouse HP E2427A Keyboard HP IB Cables HP 10833A 108338 10833C 10833D e Hewlett Packard Printers see table 1 1 Extra Operating and Programming Manual Option 910 HP 1008A Testmobile Option 006 Power Strip and Cabinet Extended Repair Service Option W30 e RS 232C DTE to DTE Cable Used for connecting the HP 16500A to printers and controllers HP Part Number 13242 60010 e RS 232C DTE to DCE Cable Used for connecting the HP 16500A
109. tion 1 If the contents are incomplete if there is mechanical damage or defect or if the instrument does not operate properly notify the nearest Hewlett Packard Sales Office If the shipping container is damaged or the cushioning material shows signs of stress notify the carrier as well as the Hewlett Packard Sales Office Keep the shipping material for carrier s inspection The Hewlett Packard Sales Office will arrange for repair or replacement at Hewlett Packard s option without waiting for a claim settlement HP 16500A 16501A Installation SECTION Installation 2 4 Operating Disk Installation The HP 16500A is shipped with yellow protective disks in each disk drive Before applying power to the mainframe remove the protective disks from the front and rear disk drives then install the operating disk in one of the disk drives Reinstall the protective disks whenever the instrument is transported 2 5 Power Requirements The HP 16500A and the HP 16501A each require a power source of 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 properly set When shipped from Hewlett Packard the Line Select switch is set and an appropriate fuse is installed for operating the instrument in the country of destination 2 1 HP 16500A 16501A Installation To operate the instrument from a power source other tha
110. to modems and data switch HP Part Number 13242 60001 HP 74240A 74240B CAE Software Rackmount Kit HP Part Number 5061 9679 e Transit Case HP Part Number 9211 2658 Hewlett Packard Plug In Modules with data acquisition stimulus pattern generator and oscilloscope capabilities e Blank 3 5 inch disks box of 10 HP Part Number 92192A For more information about plug in modules or accessories contact the nearest Hewlett Packard Sales Office HP 16500 16501 General Information 1 7 Operating Characteristics Table 1 1 is a listing of the instrument s operating characteristics These are not specifications but are typical operating characteristics included as additional information for you 1 8 Recommended Test Equipment The equipment required to test and maintain the HP 16500 16501 is listed in table 1 2 Other equipment may be substituted if it meets or exceeds the critical specifications listed in the table 16500 16501 General Information Table 1 1 HP 16500A 16501A Operating Characteristics Built in Disk Drives File Types System software performance verification configuration contains instrument configura tion data pointer to inverse assembler file inverse assembler auto configuration calibration Autoload Designation A predefined configuration file can be loaded at power up Disk Operations Store load copy duplicate disk pack disk rename purge an
111. tor Number CD QTY Description HP 16500A CHASSIS PARTS H1 0515 0372 2 38 SCREW M3 X 0 5 8MM LG H2 0515 0433 2 12 SCREW M4 X 0 7 10MM LG H3 0515 0435 8 6 SCREW M4 X 0 7 14MM LG H4 0515 0664 5 SCREW M3 X 0 5 12MM LG H5 0515 0943 3 14 SCREW 0 7 12MM LG H6 0515 1384 8 2 SCREW M5 X 0 8 10MM LG H7 0515 1403 2 16 SCREW 0 7 6MM LG 90 DEG FH H8 0515 1444 1 14 SCREW M3 5 X 0 6 25 4MM LG BACK FEET H9 0535 0105 1 4 NUT SHEET METAL M4 H10 0535 0106 2 9 NUT SHEET METAL H11 0624 0520 9 SCREW TPG 6 19 5 IN LG H12 0515 0821 2 8 SCREW 3 0 5 X20 FAN H13 2190 0763 7 2 WASHER FL MTLCH NO 6 14 IN ID 5 IN OD H14 2950 0043 8 1 NUT HEX3 8 32 THD 094 IN THK RPG H15 3050 0188 5 1 WASHER SPCR 3 8 IN 385 IN ID RPG H16 3050 1238 8 2 WASHER FL NM 9 64 149 IN ID 478 IN OD COLOR MONITOR SIDE BRACKET H17 0515 0641 5 2 SCREW COLOR MONITOR BRACKET MP1 16500 40202 2 11 FRONT PANEL MP2 16500 00201 7 1 REAR PANEL MP3 0363 0125 0 4 RFISTRIP FINGERS TOP AND BOTTOM COVERS MP4 1460 1345 5 2 TILT STAND MP5 16500 00601 1 1 STATIC SHIELD MP6 16500 00602 2 1 DISK DRIVE SHIELD REAR MP7 16500 00603 3 1 FAN SCREEN REAR MP8 16500 01209 7 wd BRACKET FRONT DISK DRIVE MP9 16500 01210 0 1 BRACKET REAR DISK DRIVE AND SIDE MP10 16500 01205 3 1 BRACKET COLOR MODULE MP11 16500 01206 4 1 BRACKET COLOR MODULE BOTTOM MP12 16500 01207 5 1 SHROUD REAR
112. ts 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 and the results of the tests are reported on the screen If a disk is not installed in a disk drive the advisory no disk is added to the Rear and Front Disk Tests If the operating disk is not installed and the mainframe passes the power up tests the message SYSTEM DISK NOT FOUND is displayed To start the system install the system disk into either disk drive and cycle the power Note If any power up tests fail refer to section 6 7 Troubleshooting The power up tests perform the following circuit checks ROM Test The ROM Test performs a checksum of both ROMs and compares the checksum value to a stored value The test responses are 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 For ROM Test failures suspect a faulty microprocessor board RAM Test The RAM Test performs an abbreviated read write test at various memory locations The test returns a pass or fail message For RAM Test failures suspect a faulty microprocessor board 6 6 Interrupt Test The Interrupt Test checks the microprocessor interrupts interrupts 2 thorough 7 This test returns a pass or fail message If any interrupts are active the test f
113. until it is properly seated against the front panel assembly Tighten the four display module mounting screws in the front frame Attach the rear mounting bracket of the display module to the side frame then tighten the mounting bracket screws To prevent damage to the rubber washers do not overtighten the screws Tighten all of the display module mounting hardware Reconnect the flat color display to microprocessor cable to the microprocessor board Reinstall all covers 16500 16501 Service SCREWS QTY 3 TOP VIEW OF FRAME 9605 Q OF O 9 9 IC 9 9 2 O O O 9 SCREWS Y 3 CABLE COLOR DISPLAY MICROPROCESSOR Figure 6 49 Color Display Module Installation 6 69 16500A 16501A Service 6 20 Expansion Interface Board Replacement When necessary refer to other removal procedures HP 16501A 1 6 70 Remove the power cord all optional modules and the bottom cover To remove the bottom cover refer to section 6 10 Cover Removal To remove the optional module cards refer to the Service Manual for each module Disconnect the interface cable by pressing the release tabs on either side of the cable connector while pulling the cable connector away from the board Disconnect the two cables on the expansion interface board One cable is connected to the f
114. utes per axis 2 4 g rms and swept sine resonant search 5 500Hz 0 75g 0 5 minute dwell at 4 resonances per axis Net 18 1 kg 40 Ibs 0 7 kg 1 6 Ibs x number of optional cards installed Shipping 25 9 kg 57 105 3 6 kg 8 lbs x number of optional cards installed Net 12 2 kg 27 lbs 0 7 kg 1 6 lbs x number of optional cards installed Shipping 19 9 kg 44 lbs 3 6 kg 8 lbs x number of optional cards installed Power Requirements 115 V 230 V 48 to 66 Hz 475 W max Dimensions Refer to figure 1 1 for dimensional detail 16500 16501 General Information 1 6 H 541 02 558 9 548 64 21 21 67 482 6 19 070 425 7 16 76 o lo 1 234 2 d 9 22 g 46 9 9 x ge 16500 D L L ss 541 02 21 3 482 6 19 0 548 64 21 6 gt ___ 425 7 16 76 e T o p e gt m 224 234 2 4 9 22 9 a ot 16500 03 16501A Figure 1 1 Dimensional Detail 16500 16501 General Information Table 1 2 Recommended Test Equipment In
115. vertical edges of the raster parallel to the sides of the instrument frame 16500A 16501A Adjustments Static Convergence 1 2 Preset the front panel BACKGROUND control to mechanical center Preset the front panel BRIGHTNESS control to maximum Temporarily disconnect the power from the instrument and remove the PC board shield cover from the rear of the CRT Display Module by prying evenly on all four sides Reapply the power and from the Display Test menu select the white cross hatch test pattern Check the four dots located around the center intersection of the cross hatch pattern for coincidence of blue red and green dots If the dots not coincident adjust H STAT RV703 located on the rear PC board to obtain horizontal coincidence and V STAT RV803 located on the bottom PC board to obtain vertical coincidence See figure 4 18 Note Due to interaction the BEAM LANDING will need to be readjusted if either H STAT or V STAT adjustments are made Once the BEAM LANDING is readjusted repeat step 5 if necessary to obtain center screen coincidence of the dots CENTER DOT R CENTER DOT G 6 B 5 V STAT I RV7 3 H STAT MV803 V STAT M54 11004 Figure 4 18 Static Convergence 16500 16501 Adjustments Dynamic Convergence 1 From the Display Test menu select the white cross hatch test pattern 2 Adjust the Y BOW RV805 locate
116. ward out of the mainframe To prevent damage to the module cables make sure that they also clear the frame 16500 16501 Service SCREWS QTY 3 TOP VIEW OF FRAME 9605 Q OF O 9 9 IC 9 9 2 O O O 9 SCREWS Y 3 CABLE COLOR DISPLAY MICROPROCESSOR Figure 6 47 Color Display Module Removal 6 65 16500A 16501A Service Transferring Parts to the Replacement Module The purpose of this procedure is to transfer the mechanical parts from the old module to the replacement module 1 6 66 Remove the rear mounting bracket from the rear support bracket Remove the rear support bracket from the color display module Attach the rear support bracket to the replacement module using the two thread forming screws Do not overtighten Attach the frame mounting bracket to the rear support bracket Install hardware in the following sequence screw flat washer rubber washer Do not tighten the hardware Remove the four bracket nuts connecting the front mounting brackets to the old module then remove the front mounting brackets Reinstall the bracket nuts on the old module Remove the four bracket nuts from the replacement module Using the four bracket nuts install both front mounting brackets on the replacement display module The upper bracket is identified by the notch
117. with serial number HP 16500A 3048A and below HP 16501A 3050A For additional information about serial numbers see INSTRUMENTS COVERED BY THIS MANUAL in Section 1 COPYRIGHT HEWLETT PACKARD COMPANY COLORADO SPRINGS DIVISION 1990 1900 GARDEN OF THE GODS ROAD COLORADO SPRINGS COLORADO U S A ALL RIGHTS RESERVED Manual Part No 16500 90911 Printed in U S A December1990 16500A 16501A Contents TABLE OF CONTENTS Section General Information Page prt 1 1 1 2 Instruments Covered by This 1 1 1 3 Safety Considerations 1 2 1 4 Product Descriptor iiie ede ter tee ea e dee 1 2 1 5 Accessories Supplied 1 2 1 6 Accessories Avallable 3 1 3 1 7 Operating 1 3 1 8 Recommended Test Equipment 2 1 3 Section Il Installation Page 0 ee 2 1 2 23 Safety Considerations 2 1 2 3 Initial Inspection eae ated Ade Pte te et tg ee ae ated ate 2 1 2 4 Operating Disk 2 1 2 5 Power Requirements
118. y front panel board 16500A 16501A Service Disk Test This test checks both disk drives for the correct disk format and checks the ability of the system to read from and write to a test track on both disks If the disk cannot be identified the test is considered to have failed for that disk drive If a disk cannot be detected the message no disk is displayed instead of the pass or fail message Possible problems causing a failed message include the following A damaged or disconnected disk drive cable Wrong disk formatting or no disk formatting The disk write protect tab set to the write protect position Incorrect position of the address switch on the disk drive A faulty disk drive Faulty microprocessor board interface circuitry to the disk drive For Disk Test failures verify the continuity and connection of the disk drive cables use formatted disks and set the write protect tab on the disks to the unprotected position The address switch on each disk drive is set to the correct position when the disk drive is installed at Hewlett Packard A failure will occur if the switch on a replacement disk drive assembly is set to the incorrect position For the correct switch position refer to section 6 16 Front Disk Drive Replacement or to section 6 15 Rear Disk Drive Replacement If the disk test still fails after verifying that the previous items are not causing failures refer to section 6 7 Troubleshooting Inter

HP 16500A/16501A Logic Analysis System Service Manual

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