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HP 16500B User's Manual

1. ii In This Book This book is the service guide for the HP 16500B 16501A Logic Analysis System and is divided into eight chapters Chapter 1 contains information about the instrument and includes accessories for the instrument specifications and characteristics of the instrument and a list of the equipment required for servicing the instrument Chapter 2 tells how to prepare the instrument for use Chapter 3 gives instructions on how to test the performance of the instrument Chapter 4 contains calibration instructions for the instrument Chapter 5 contains self tests and flowcharts for troubleshooting the instrument Chapter 6 tells how to replace the instrument and assemblies of the instrument and how to return them to Hewlett Packard Chapter lists replaceable parts shows an exploded view and gives ordering information Chapter 8 explains how the instrument works and what the self tests are checking This book also contains information about the HP 16500L interface module when using an expansion frame or an external monitor For information about using the interface module with a local area network refer to the manuals for the HP 16500L iv gt gt Contents 1 General Information Accessories 1 2 Specifications 1 3 Characteristics 1 3 Recommended Test Equipment 1 6 2 Preparing for Use To inspect the logic analysis system 2 2 To apply power 2 3 To operate the user interf
2. REPLACE POWER SUPPLY Power Supply Troubleshooting Flowchart 7 16500723 5 10 FROM MAINFRAME TESTS FLOWCHART 6 RECYCLE POWER ON MAINFRAME DOES HIL CONTROLLER TEST PASS REPLACE CPU BOARD Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART 1 C A DOES FRONT PANEL TEST PASS CHECK FRONT PANEL CABLE FOR CONTINUITY AND CONNECTION LOAD AND ENTER PV OPERATING SYSTEM Y RUN HIL TEST DOES HIL TEST PASS VACUUM OR CLEAN TOUCHSCREEN AND BEZEL FRONT PANEL CABLE OK REPLACE TOUCHSCREEN BOARD DOES HIL TEST PASS 2 REPLACE TOUCHSCREEN BOARD HIL Troubleshooting Flowchart 8 16500T24 5 11 Troubleshooting To use the flowcharts FROM MAINFRAME TESTS FLOWCHART 6 ISA FORMATED WRITE FLEXIBLE DRIVE GO TO TO MAIN FLOWCHART UNPROTECTED DISK IN INSTALL A FORMATTED WRITE UNPROTECTED DISK IN FLEXIBLE DISK DRIVE CHECK CABLES TO DISK DRIVE FOR CONTINUITY AND CONNECTION ARE CABLES OK REPLACE FAULTY CABLE CHECK DISK DRIVE SIGNALS ARE SIGNALS OK REPLACE FAULTY FLEXIBLE DISK DRIVE REPLACE CPU BOARD 16500T25 Flexible Disk Drive Troubleshooting Flowchar
3. Block Level Theory The block level theory is divided into two parts theory for the logic analysis system and theory for the microprocessor board A block diagram is shown with each theory The HP 16500B Logic Analysis System 16500715 ACQUISTION CARDS 120VDC HORIZONTAL SYNC R VERTICAL MODULE SYNC gt RED GREEN BLUE pi HP IB e ze jt TO EXTERNAL E MONITOR RS 232 C a i MICRO C LAN v 1j PR R ROPES INTERFACE TO ETHERNET MODULE LAN MAU HARD DISK DRIVE FLEXIBLE DISK DRIVE l STIMULUS E AND MODULE ADDRESS DATA SELECT A E Resta CARDS FRONT PANEL HIL AR BE oats SCREEN MOTHER KNOB L BOARD eei COOLING FANS L POWER SUPPLY oz U gt O eo 49 re m NUTS A am m m ro zZz mao gt OO n AD E 79 E 10 E NS HP 16501A MOTHERBOAR MODULE ADDRESS OTHERROARD T STIMULUS DATA SELECT F J EXPANSION SUPPLY AND INTERFACE BOARD The Logic Analysis System Theory of Operation The HP 16500B Logic Analysis System System Overview Theory HP 16500B The HP 16500B is the mainframe for the Logic Analysis System Microprocessor Board The microprocessor board contains all the interface circuitry for managing data flow between the ma
4. F1 FUSE 10 AMP FOR 115VAC OPERATION MP3 MP26 1 MP21 eS P d p MP33 a H6 MP29 1650062 Exploded view of the HP 16500B External Parts 7 4 Replaceable Parts HP 16500B Exploded View and Replaceable Parts HP 16500B Replaceable Parts Ref Des HP Part Number Exchange Assemblies A2 A3 A5 A6 A8 A9 16500 69512 16500 69509 D2329 69001 16500 69500 2095 0001 D2156 69001 External Parts F1 F1 H6 H8 MP3 MP4 MP13 MP21 MP25 MP26 MP27 MP28 MP29 MP30 MP31 MP32 MP33 MP34 MP37 2110 0010 2110 0395 0515 1384 0515 1444 0363 0125 1460 1345 16500 04102 5001 0541 5041 8801 54110 40502 5041 8802 5041 8822 5041 8819 5041 8820 5062 3704 5062 3847 5062 3822 5062 3747 8160 0551 8120 1521 8120 1703 8120 0696 8120 1692 8120 2296 8120 2957 8120 4600 8120 4754 01660 84501 0515 1245 0510 1253 QTY AN o A 1 Description Front panel circuit board exchange Microprocessor board assembly exchange Hard disk drive exchange Power supply exchange Color monitor assembly exchange 1MX36 SIMM module exchange Fuse 5 amp for 230 Vac operation Fuse 10 amp for 115 Vac operation Screw M5 X 0 8 10 MM LG side handle Screw M3 5 X 0 6 25 4MM LG back feet RFI strip fingers top and bottom covers Tilt stand Top cover Side trim front frame Feet front bottom cover Feet back To
5. Bottom Frame Cable Connecting Color Display to Power Supply sex 6 21 CAUTION Replacing Assemblies To return assemblies To return assemblies Before shipping the logic analysis system or assemblies to Hewlett Packard contact your nearest Hewlett Packard sales office for additional details Write the following information on a tag and attach it to the part to be returned e Name and address of owner e Model number e Serial number e Description of service required or failure indications Remove accessories from the logic analysis system Only return accessories to Hewlett Packard if they are associated with the failure symptoms Package the logic analysis system or assemblies You can use either the original shipping containers or order materials from an HP sales office For protection against electrostatic discharge package the logic analyzer in electrostatic material Seal the shipping container securely and mark it FRAGILE Replaceable Parts Ordering 7 2 Replaceable Parts List 7 3 HP 16500B Exploded View and Replaceable Parts 7 4 HP 16501A Exploded View and Replaceable Parts 7 9 Replaceable Parts See Also Replaceable Parts This chapter contains information for identifying and ordering replaceable parts for your logic analysis system Replaceable Parts Ordering Parts listed To order a part on the list of replaceable parts quote the Hewlett
6. YES Y REPLACE GO TO SYSTEM START FLOWCHART 5 ADJUST FRONT PANEL BRIGHTNESS AND BACKGROUND CONTROLS GO TO COLOR MODULE FLOWCHART 3A CONTINUED Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART 1 IS THERE ANY CHANGE IN DISPLAY REMOVE BOTTOM COVER CHECK FRONT PANEL CABLES CONNECT OR REPLACE CABLES COLOR MODULE Color Module Troubleshooting Flowchart 3 16500T18 5 5 Troubleshooting To use the flowcharts FROM COLOR MODULE FLOWCHART 3 REMOVE TOP COVER AND CHECK POWER SUPPLY LEDS Is POWER SUPPLY OK GO TO POWER SUPPLY FLOWCHART 7 GO TO MAIN FLOWCHART IS CHECK CONNECT 120V CA R 120V LED ON AT 20V CABLE 0 POWER SUPPLY TO REPLACE gt COLOR MODULE CABLE REPLA CHECK EPLACE Pa VIDEO SIGNALS POWER SUPPLY ARE VIDEO SIGNALS CHECK VIDEO CABLE PRESENT FOR CONTINUITY YES E REPLACE REPLACE CABLE za COLOR MODULE 0K en REPLACE VIDEO CABLE Color Module Troubleshooting Flowchart 3A continued 16500719 1 5 6 FROM MAIN FLOWCHART 1 Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART 1 DID eee SIMM MEMORY YES REPLACE FAULTY RAM TEST
7. 0515 0372 0515 0433 0515 0435 0515 0664 0515 0943 0515 1403 0535 0105 0515 1363 0624 0520 2510 0332 2190 0763 2950 0043 3050 0188 3050 1238 0515 0641 2360 0462 16500 00204 3160 0092 16500 01212 16500 01213 16500 01205 16500 01206 16500 01207 16500 04701 16500 23101 16500 23102 16500 61202 5021 8407 5021 5808 5021 5837 54110 01210 54110 04702 16500 04105 16500 00605 16500 61601 16500 61602 16500 61609 16500 61604 16500 61605 QTY N N o eN N AN o 0 Ae e Description Mother board assembly Microprocessor board assembly Flexible disk drive Hard disk drive Power supply assembly Color CRT module assembly 1MX36 SIMM module Fan tubeaxial Fan tubeaxial Screw M3 X 0 5 8MM LG Screw M4 X 0 7 10MM LG rear panel center rib Screw M4 X 0 7 14MM LG center rib power supply Screw M3 X 0 5 12MM LG color monitor bracket CPU board Screw M4 X 0 7 12MM LG color monitor to frame front panel to frame Screw M4 X 0 7 6MM LG 90 Deg FH frame Nut sheet metal M4 side card guide center rib Screw flexible disk drive bracket Screw TPG 6 19 5 IN LG side card guide center rib Screw Mach 8 32 fans Washer FL MTLCH NO 6 14 IN ID 5 IN OD CPU to rear panel Nut hex 3 8 32 THD 094 IN THK RPG Washer spcr 3 8 IN 385 IN ID RPG Washer FL NM 9 64 149 IN ID 478 IN OD col
8. Geometry adjustments must be performed before making the focus adjustment Display the white cross hatch test pattern on the display From the Color Display Test menu select the white cross hatch pattern Adjust FOCUS RV701 located on the rear PC board for best overall focus 4 6 Calibrating and Adjusting To adjust focus landing and convergence Landing Adjustment Turn the front panel BRIGHTNESS control fully clockwise Degauss the CRT by momentarily pressing the DEGAUSS switch located on the instrument rear panel In some cases the user s environment or shipping environment may have caused high levels of magnetization in the CRT In this case to completely degauss the CRT you may need to use a conventional television type degaussing coil 54720M06 Set the purity magnet tabs to the mechanical center Refer to the next figure Display a green raster test pattern on the display From the Color Display Test menu select the green raster In the next steps while moving the deflection yoke forward and rearward rotate the yoke as necessary to keep the edges of the raster parallel to the sides of the display Move the deflection yoke rearward until the left edge of the raster turns red and the right side of the raster turns blue Red Green A Blue 54720M07 Adjust the purity magnets until green is in the center of the raster with red and blue bands evenly distributed on the side
9. A single RAMDAC functions as the Color Palette for the eight plane color monitor RGB signals are provided by the RAMDAC The RAMDAC sends an analog signal of 0 0 to 1 0 Volts for each of the primary colors Red Blue Green to the color module Horizontal and vertical sync signals are provided by a CRT controller Hard Disk Drive Interface The Hard Disk Drive Interface is made up of two octal transceivers and three buffers The octal transceivers link the hard disk drive s 16 bit data I O port with the microprocessor data bus The buffers link the hard disk drive s control signals with both the address bus of the microprocessor and the peripheral interface signals so that the hard disk drive resides at a virtual address in read and write modes The hard disk drive controller resides on the hard disk drive Flexible Disk Drive Interface The main components of the Flexible Disk Drive Interface are the disk drive controller and buffers The disk drive controller provides the interface between the microprocessor and the flexible disk drive The controller also performs all functions necessary to write or read data to or from the disks Data directed to the disk drive from the microprocessor is serialized by the disk drive controller The buffers link the microprocessor data bus with certain flexible disk drive control signals The flexible disk drive informs the microprocessor through the data bus whether a flexible disk has been changed and
10. August 1994 For Safety information Warranties and Regulatory information see the pages at the end of the book Copyright Hewlett Packard Company 1987 1994 All Rights Reserved HP 16500B 16501A Logic Analysis System HP 16500B 16501A Logic Analysis System The HP 16500B is the mainframe of the Logic Analysis System and the HP 165014 is the expansion frame The HP 16500B 16501A is of modular structure using plug in cards with a wide range of data acquisition and stimulus capabilities Features Some of the main features of the HP 16500B 16501A are as follows e Modular mainframe with five card slots Expansion frame which expands the total system card slots to ten Touchscreen user interface e 86 Mbyte hard disk drive e High density 3 5 inch flexible disk drive e Color monitor e ntermodule triggering and time correlation of acquired data e HP IB RS 232C or optional LAN interfaces for hardcopy output to a printer or controller interface Service Strategy The service strategy for this instrument is the replacement of defective assemblies This service guide contains information for finding a defective assembly by testing and servicing the HP 16500B 165014A This instrument can be returned to Hewlett Packard for all service work including troubleshooting Contact your nearest Hewlett Packard Sales Office for more details il 16500E51 The HP 16500B Logic Analysis System
11. GO TO EXTERNAL MONITOR FLOWCHART 14 IS LAN CONNECTED GO TO LAN FLOWCHART IN HP16560L ADMINISTRATOR S AND SERVICE GUIDE 5 3 Note The HP 16500L is inthe System Configuration menu if Master Frame is in a blue field and Ethernet is in the Communications field Troubleshooting To use the flowcharts FROM MAIN FLOWCHART 1 IS P 16500L I SYSTEM CONF IGURATION MENU REMOVE POWER RESEAT CABLES TO 16500L AND REAPPLY POWER IS P 16500L I SYSTEM CONF IGURATION MENU IN SYSTEM CONF IGURAT ION MENU SELECT EXPANSION FRAME CONF IGURAT ION ALL OPTIONAL MODULES RECOGNIZED ALL OPTIONAL MODULES UNRECOGNIZED IN SYSTEM CONFIGURATION MENU SELECT MAINFRAME CONF IGURATION CHECK SUFFICIENT SIMM MEMORY IS INSTALLED GO TO MAIN FLOWCHART 1 16500717 Main Troubleshooting Flowchart 2 GO TO EXPANSION FRAME FLOWCHART 13 IS SUFFICIENT SIMM MEMORY INSTALLED GO TO MAIN FLOWCHART REPLACE HP16500L MODULE INSTALL SIMM MEMORY MODULES OF SUFFICIENT MEMORY CAPCACITY REMOVE POWER RESEAT MODULES CHECK FOR CORRECT SOFTWARE REPLACE FAULTY MODULES 1 FROM MAIN FLOWCHART 1 IS SCREEN COMPLETELY BLANK ARE FANS RUNNING AT FULL DISCONNECT CABLE FROM POWER SUPPLY TO COLOR MODULE
12. RV731 and R RV711 for the best white balance b With a white raster and the front panel brightness set to maximum adjust the DRIVE controls G RV921 B RV931 and R RV911 for best white balance c Repeat until satisfied with the white balance Replace the side and rear fans Refer to chapter 6 Replacing Assemblies To use the flowcharts 5 2 To check the power up self tests 5 18 To run the self tests 5 19 To check the video signals 5 22 To check the power supply LEDs 5 23 To test the power supply voltages 5 24 To test the flexible disk drive voltages 5 25 To test the hard disk drive voltages 5 27 To test the expansion frame interface 5 29 Troubleshooting CAUTION Troubleshooting This chapter helps you troubleshoot the logic analysis system to find defective assemblies The troubleshooting consists of flowcharts self test instructions and tests This information is not intended for component level repair If you suspect a problem start at the top of the first flowchart During the troubleshooting instructions the flowcharts will direct you to perform other tests The other tests are located in this chapter after the flowcharts The service strategy for this instrument is the replacement of defective assemblies This instrument can be returned to Hewlett Packard for all service work including troubleshooting Contact your nearest Hewlett Packard Sales Office for more details Electr
13. To install the HP 16500L interface module To install the HP 16500L interface module The HP 16500L interface module is required to connect the HP 16501A Expansion Frame to the HP 16500B mainframe Hazardous voltages exist on the power supply the CRT and the CRT driver board of the HP 16500B mainframe To avoid electrical shock disconnect the power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board and the CRT driver board to discharge before servicing the instrument However if the AC LED on the power supply has any illumination a significant charge remains on the power supply capacitors Electrostatic discharge can damage electronic components Use grounded wriststraps and mats when performing any service to this module or to the HP 16500B Logic Analysis System For correct orientation of the cables match the slots on the cable connectors and on the board connectors Remove power from the HP 16500B mainframe then remove the optional modules the four rear feet and the top and bottom covers of the mainframe Remove the sheetmetal plate on the rear of the mainframe covering the slot where the HP 16500L interface module will be installed With the interface module installed you will not use the plate Save the plate to use in case the interface module is removed Remove the cable connecting the CRT module to the C
14. WxH RGB video 0 714 VP P positive Impedance 75 ohm analog External Sync Signal H TTL negative 3 2 uS W TTL negative 120 uS Connector Pins Pin number Signal Pin number Signal 1 Red 6 7 8 10 Ground 2 Green 13 Horizontal Sync 3 Blue 14 Vertical Sync 1 Connect your monitor to the HP 16500L interface module installed into the HP 16500B mainframe 2 If your monitor needs adjusting follow the manufacturer s instructions oq o o D D o e e e e e e e e o o e jg bd fc 3 ollo e 2 o J O e I eur et gt 16500E61 Connector for external monitor To perform the power up tests 3 3 To perform the self tests 3 4 Testing Performance Testing Performance To ensure the logic analysis system is operating correctly you can perform software tests self tests on the system Directions for performing the software tests are given in this chapter This chapter normally tells you how to test the performance of the logic analysis system against the specifications listed in chapter 1 Because there are no specifications for the HP 16500B 165014 there are no performance verification tests Self Tests The self tests listed in this chapter
15. 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 clearing the interface and other operations The following figure shows the connections to the HP IB connector located on the rear panel eee prai 1 13 ores praz 2 14 ores p103 3 15 o1e7 Dras 4 16 orea cor 5 17 REN pav 6 18 P O TWISTED PAIR WITH 6 nrFo 7 19 P O TWISTED PAIR WITH 7 noac 8 28 P O TWISTED PAIR WITH 8 SHOULD BE GROUNDED ifc eco 21 evo twisten parr wiTH o NEAR TERMINATION OF PAIR SRQ 9 22 P O TWISTED PAIR WITH 10 ATN ORE 11 23 P O TWISTED PAIR WITH 11 SHIELD 12 24 SIGNAL GROUND dris 2 TYPE 57 MICRORIBBON CONNECTOR HP IB Interface Connector RS 232C The logic analysis system interfaces with RS 232C communication lines through a standard 25 pin D connector The logic analysis system is compatible with RS 232C protocol When a hardwire handshake method is used the Data Terminal Ready DTR lin
16. swept sine resonant search 5 500Hz 0 75g 0 peak 5 minute dwell at 4 resonances per axis HP 16500B Net 18 1 kg 40 lbs 0 7 kg 1 6 lbs x number of optional cards installed Shipping 25 9 kg 57 lbs 8 6 kg 8 lbs x number of optional cards installed HP 16501A Net 12 2 kg 27 lbs 0 7 kg 1 6 Ibs x number of optional cards installed Shipping 19 9 kg 44 lbs 8 6 kg 8 lbs x number of optional cards installed HP 16500B 115 V 230 V 22 to 10 48 to 66 Hz 475 W max HP 16501A 115 V 230 V 22 to 10 48 to 66 Hz 420 W max 1 4 General Information Characteristics Dimensions Refer to the following figure for dimensional detail Lon U 3 I 548 64 216 I 556 3 219 482 6 19 01 HE 548 64 216 S 4257 16 76 99 Lo x 5 HP 16500B p B m 482 6 e 548 64 216 4257 Po De n L 234 2 9 22 F He 6 7 Love x s 16500E52 HP 16501A Dimensional Detail 1 5 General Information Recommended Test Equipment Recommended Test Equipment Equipment Required Equi
17. CODES FROM MAINFRAME TESTS FLOWCHART 6 ARE ALL MODULE ID s PRESENT REMOVE POWER BOARDS POWER RESEAT AND RE APPLY ARE ALL MODULE ID s PRESENT YES REPLACE CPU BOARD Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART REPLACE MOTHER BOARD Intermodule Troubleshooting Flowchart 12 16500727 1 5 15 Troubleshooting To use the flowcharts FROM MAIN FLOWCHART 2 GO TO POWER SUPPLY FLOWCHART 7 IS EXPANSION FRAME LED ON EXPANSION FRAME POWER SUPPLY SWITCH ON YES SET PERF ORM INTERFACE pesa TROUBLESHOOTING PROCEDURE REPLACE FAULTY INTERFACE CABLE EXPANSION INTERFACE BOARD OR HP 16500L CORRECT POSITION IS EXPANSION FRAME LED ON GO TO MAIN FLOWCHART 1 16500728 Expansion Frame Troubleshooting Flowchart 13 5 16 Note Compare the specifications of the monitor against the specifications of the video signal as a way to determine compatibility ability to synch Video signal specifications are listed in To connect an external monitor in chapter 2 FROM MAIN FLOWCHART 1 Is THERE A VIDEO Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART 1 PROBLEM IS MAINFRAME DISPLAY OK CAN MONITOR SYNCH TO VIDEO SIGNAL AD
18. MAIN FLOWCHART 1 DID SIMM MEMORY LOCATION FAIL REPLACE FAULTY SIMM MODULE gt REPLACE FAULTY TESTS PASS YES DOES RS 232C TEST PASS YES YES DOES FLEXIBLE DISK TEST PASS YES DOES HARD DISK DRIVE TEST PASS YES DOES INTERMODULE TEST PASS DOES COLOR DISPLAY TEST PASS CPU BOARD GO TO RS 232C FLOWCHART 11 HIL FLOWCHART 8 GO TO FLEXIBLE DRIVE FLOWCHART 9 GO TO HARD DISK DRIVE FLOWCHART 10 GO TO INTERMODULE FLOWCHART 12 GO TO COLOR MODULE FLOWCHART 3 16500122 Mainframe Tests Troubleshooting Flowchart 6 5 9 Troubleshooting To use the flowcharts FROM COLOR MODULE FLOWCHART 3 AND EXPANSION FRAME FLOWCHART 13 CHECK POWER CABLE IS SEATED AND CORRECT VOLTAGE IS SELECTED NO Is OVER CURRENT LED ON YES IS YES CHECK POWER SUPPLY VOLTAGES VOLTAGES YES GO TO MAIN FLOWCHART 1 REPLACE POWER SUPPLY OK NO REPLACE OVER VOLTAGE LED ON IS OVER TEMP LED ON NO BOTH FANS OPERATING NO Y REPLACE FAULTY FANS POWER SUPPLY REMOVE POWER AND LET POWER SUPPLY COOL FOR 30 MINUTES REAPPLY POWER IS OVER TEMP LED ON ENSURE THERE IS ADEQUATE SPACE AROUND FAN INTAKE VENTS FOR PROPER VENTILATION
19. Packard After you receive the exchange assembly return the defective assembly to Hewlett Packard A United States customer has 30 days to return the defective assembly If you do not return the defective assembly within the 30 days Hewlett Packard will charge you an additional amount This amount is the difference in price between a new assembly and that of the exchange assembly For orders not originating in the United States contact your nearest Hewlett Packard Sales Office for information To return assemblies in chapter 6 Replaceable Parts Replaceable Parts List Description Replaceable Parts List Description The replaceable parts list is organized by reference designation The exploded view does not show all of the parts in the replaceable parts list Information included for each part on the list consists of the following e Reference designator e Hewlett Packard part number e Total quantity included with the instrument Qty e Description of the part e Reference designators used in the parts list are as follows A Assembly e E Miscellaneous Electrical Part e F Fuse e H Hardware e MP Mechanical Part e W Cable Replaceable Parts HP 16500B Exploded View and Replaceable Parts HP 16500B Exploded View and Replaceable Parts PARTS NOT SHOWN MP 13 MP4 TILT STAND MP25 FRONT FEET BOTTOM COVER ae MP28 REAR FEET BOTTOM COVER F1 FUSE 5 AMP FOR 230VAC OPERATION
20. Packard part number indicate the quantity desired and address the order to the nearest Hewlett Packard Sales Office Parts not listed To order a part not on the list of replaceable parts include the model number and serial number of the module a description of the part including its function and the number of parts required Address the order to your nearest Hewlett Packard Sales Office Direct mail order system Within the USA Hewlett Packard can supply parts through a direct mail order system The advantages to the system are direct ordering and shipment from the HP Part Center in Mountain View California There is no maximum or minimum on any mail order There is a minimum amount for parts ordered through a local Hewlett Packard Sales Office when the orders require billing and invoicing Transportation costs are prepaid there is a small handling charge for each order and there are no invoices In order for Hewlett Packard 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 Addresses and telephone numbers are located in a separate document at the back of the Service Guide Exchange Assemblies Some assemblies are part of an exchange program with Hewlett Packard The exchange program allows you to exchange a faulty assembly with one that has been repaired and performance verified by Hewlett
21. Test in the pop up menu The screen displays the Mainframe Test menu Touch the Color Display Test field to display the first test pattern which is the white cross hatch pattern WHITE BLUE GREEN BLACK 1 6500E 12 Touch Continue to see the next test pattern With every touch of the Continue field the next test pattern will be displayed When Continue is selected from the black raster pattern the Mainframe Test menu will be displayed Notice that the status of the Display field changes to Tested To exit the test system touch the Mainframe Test field then touch the Test System Touch Configuration select test then touch the field near the center of the screen to exit the test system 4 4 10 11 12 Calibrating and Adjusting To adjust geometry To adjust geometry Display the white cross hatch test pattern on the CRT From the Color Display Test menu select the white cross hatch pattern Preset the front panel brightness control the top of the two controls to the left of the display maximum clockwise Preset the front panel contrast control the bottom of the two controls to the left of the display to the mechanical center Preset H SUB SHIFT RV006 and V SUB SHIFT RV008 located on the bottom PC board to the mechanical centers All of the following adjustment potentiometers are located on the PC b
22. Verify that the jumper on the underside of the hard disk is in the E1 position EEZ OJ OJ O Jumper The replacement hard disk might be fastened to a mounting bracket when received Before installing the hard disk remove the mounting bracket Ifthe replacement hard disk is an exchange assembly attach the mounting bracket to the faulty disk drive before returning it to Hewlett Packard If the replacement disk drive is a new assembly discard the mounting bracket 9 9 Q SS Se D SL N Sa amp o 3 Pe Q mare x CN e i SS 9 x x amp x 3 e 16500E49 6 12 Replacing Assemblies To remove and replace the microprocessor board CPU To remove and replace the microprocessor board CPU HP 16500B 1 Using previous procedures remove the following assemblies e Top cover and left rear foot e All optional modules and filler panels 2 Disconnect the cables from the microprocessor board 3 Remove the two screws connecting the microprocessor to the rear panel 4 Carefully slide the microprocessor board out of the mainframe 5 Reverse this procedure to install the replacement microprocessor board Flexible Disk Drive p CRT 39 e af 9 C VS Used d Power to Hard Drive ge Hard Drive LAN Option 16500E29 Replacing Assemblies To remove and replace a S
23. and reinstall the disk drive in the mainframe 8 Reconnect the disk drive cable and install the cover on the mainframe BOTTOM OF DISK DRIVE D1660E65 WARNING Troubleshooting To test the hard disk drive voltages To test the hard disk drive voltages Refer to chapter 6 Replacing Assemblies for instructions to remove or replace covers and assemblies Hazard voltages exist on the power supply the CRT and the CRT driver board This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock Equipment Required Equipment Critical Specification Recommended Model Part Digitizing Oscilloscope gt 100 MHz Bandwidth HP 54600A Turn off the instrument then remove the power cable Remove both the top and bottom covers of the mainframe and set the mainframe on its side with the strap handle facing up If an HP 16500L module is installed then remove it from the mainframe a Disconnect the three cables plugged into the HP 16500L by reaching through the top of the mainframe and removing the plugs b Remove the screws attaching the HP 16500L to the mainframe Refer to chapter 6 for more complete instructions to remove the HP 16500L Remove the four screws holding the hard disk drive and let the hard disk drive hang by the power and the data cables Do not let the hard disk drive contact the CPU board Connect the power cable and apply power t
24. check the functional operation of the mainframe and the expansion frame Self tests for the optional modules installed in the frames are listed in the individual module Service Guides There are two types of self tests self tests that automatically run at power up and self tests that you select on the screen For descriptions of the tests refer to chapter 8 Theory of Operation Perform the self tests as an acceptance test when receiving the logic analysis system or when the logic analysis system is repaired If a test fails refer to chapter 5 Troubleshooting Test Interval There is no recommended test interval for the HP 16500B mainframe or the HP 16501A expansion frame However each of the HP 16500 series option modules has performance verification tests and therefore require a periodic verification of specifications Refer to the Service Guides of the individual modules for more information The Logic Analysis System Interface To select a field on the HP 16500B screen use the touchscreen For more information about the logic analysis system interface refer to the HP 16500B 16501A Logic Analysis System User s Reference 3 2 Testing Performance To perform the power up tests To perform the power up tests The logic analysis system automatically performs power up tests when you apply power to the instrument The revision number of the boot ROM shows in the upper right corner of the screen during these power
25. colors displayed Reconnect the cable then return to the color display assembly flowchart Cable Pin Numbers Pin Numbers Signal 3 Vertical Sync 7 Horizontal Sync 21 Red Display Data 29 Green Display Data 37 Blue Display Data Sync Signals 180 000 us Troubleshooting To check the power supply LEDs To check the power supply LEDs Refer to chapter 6 Replacing Assemblies for instructions to remove or replace covers and assemblies WARNING Hazard voltages exist on the power supply the CRT and the CRT driver board This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock 1 Turn off the instrument then remove the top cover 2 Apply power to the instrument 3 Check the power supply LEDs 4 Note problems with the power supply then return to the power supply flowchart 120V DC LED If on 120V DC is present Over Temp LED If on power supply is shut down NE Over Current LED If on power supply is shut down AC is present when AC LED is on 16500E74 Over Voltage LED If on power supply is shut down 5 23 Troubleshooting To check the power supply voltages To check the power supply voltages Refer to chapter 6 Replacing Assemblies for instructions to remove or replace covers and assemblies WARNING Hazard voltages exist on the power supply the CRT and the CRT driver bo
26. 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 For correct air circulation filler panels must be installed in all unused card slots Correct air circulation keeps the instrument from overheating Keep any extra filler panels for future use Service Guides for each individual module 6 3 Replacing Assemblies To remove and replace the covers To remove and replace the covers There are four outside covers on the HP 16500B and on the HP 165014 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 the holes in the end of the feet 2 Remove the top and bottom covers To remove the covers loosen the screw in the rear of the covers 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 To remove the bottom cover turn the instrument on its side then loosen the screw in the r
27. fan power cable and the front panel cable 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 frame Reverse this procedure to install the replacement mother board Replacing Assemblies To remove and replace the mother board of Mother Board View Six Mounting Screws 6 17 mm e 4 8 9 Replacing Assemblies To remove and replace the front panel board To remove and replace the front panel board HP 16500B 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 assembly 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 bezel from the front panel board Remove the RPG knob and the two CRT control knobs by pulling them away from the front panel Remove the screws connecting the front panel board to the front panel then remove the front panel boar
28. frames which then are displayed as a ten slot system The HP 16501A power supply is identical to the HP 16500B power supply When power is applied to the HP 16500B 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 Theory of Operation The Microprocessor Board The Microprocessor Board MICRO PROCESSOR m INTERRUPT CONTROL SUPPLY VOLTAGE SUPERVISOR ADDRESS BUS DATA BUS ETHERNET Ls LAN INTERFACE un TERFA e INTERFACE PERIPHERAL DECODER L a HP IB RS 232C C INTERFACE SYSTEM ROM DISPLAY amp RAM RAM COLOR pe PALETTE CRT c CONTROL HARD ADDRESS DISK AREA DRIVE DECODER INTERFACE FLEXIBLE DISK DRIVE INTERFACE REAL TIME 4 CLOCK S MODULE INTERFACE CORRELATOR 16500851 gt e Oo gt og A D gt ay n 7 l TO HP 16500L LAN INTERFACE MODULE l TO FRONT PANEL BOARD l TO HP IB CONNECTOR l TO RS 232C CONNECTOR SYNC J TO COLOR MODULE RED GREEN BLUE Ud TO HARD DISK DRIVE 3 O ul r m x e wW oe Pa o Fa 7 AX DRIVE MODULE SELECT TO MODULE THROUGH MOTHER BOARD The Microprocessor Board 8 6 Theory of Ope
29. in the following sequence screw flat washer rubber washer Do not tighten the hardware 4 Remove the four bracket nuts connecting the front mounting brackets to the old assembly then remove the front mounting brackets Reinstall the bracket nuts on the old assembly 5 Remove the four bracket nuts from the replacement assembly Using the four bracket nuts install both front mounting brackets on the replacement display assembly The upper bracket is identified by the notch on one edge 6 Disconnect the flat microprocessor cable the power cable and the front panel control cable from the old assembly noting the location of the cables Connect the cables to the replacement assembly Flat Washer Mounting Sy Due E Rubber Washer Bracket S K Rear Q Support Bracket gt a o Ne Notch ae 2 Thread Forming Screw bo 2 Front Mounting Brackets Microprocessor Cable Front panel Control Cable Power Cable 16500E37 Bracket Nut Qty 4 6 20 Replacing Assemblies To remove and replace the color display assembly Installing the replacement color display assembly Carefully slide the color display assembly most of 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 assembly completely into the mainframe Attach the display assembly to the front fra
30. installation Some modules for the logic analysis system require calibration if you move them to a different slot Refer to the manuals of individual modules for calibration information Install the module You may need to push all other cards into the card cage but not completely in to get them out of the way for installing the module Refer to the manuals of individual modules for cabling information Slide the complete module into the frame but not completely in Each card is firmly seated and tightened one at a time in step 9 Position all cards and filler panels so that the endplates overlap Seat the cards and tighten the thumbscrews Starting with the bottom card firmly seat the cards into the backplane connector of the mainframe Keep applying pressure to the center of the card endplate while tightening the thumbscrews finger tight Repeat this for all cards and filler panels starting at the bottom and moving to the top For correct air circulation filler panels must be installed in all unused card slots Correct air circulation keeps the instrument from overheating Keep any extra filler panels for future use Plug in the system then turn it on When you turn on the power switch the logic analysis system performs power up tests After the power up tests are complete the screen will show your system configuration Service Guides for the individual modules 2 6 WARNING CAUTION Preparing for Use
31. knob Front panel label CRT control knob Keycap Switch spacer power switch Filler panel RS 232C loopback connector HP 16500L Replaceable Parts Refer to the HP 16500L Administrator s and Service Guide Replaceable Parts HP 16501A Exploded View and Replaceable Parts HP 16501A Exploded View and Replaceable Parts MP9 HIDDEN C f ffc CEL T PARTS NOT SHOWN E Hn F1 FUSE 5 AMP FOR 230VAC OPERATION H F1 FUSE 10 AMP FOR 115VAC OPERATION H6 SCREW SIDE HANDLE HB SCREW BACK FEET MP4 TILT STAND MES Me MP13 TOP COVER A3 MP25 FRONT FEET BOTTOM COVER e MP21 MP26 BACK FEET gt MP28 REAR FEET BOTTOM COVER p MP29 STRAP HANDLE CAP FRONT MP22 MP30 STRAP HANDLE CAP REAR MP31 STRAP HANDLE MPS H18 MP32 LEFT COVER MP33 RIGHT COVER MP34 BOTTOM COVER MP37 EMI SHIELDING BRAIDED H19 MP46 LABEL W1 CABLE INTERFACE W4 CABLE FAN POWER WS POWER CORD 16501E01 MP1 Exploded view of the HP 16501A Replaceable Parts HP 16501A Exploded View and Replaceable Parts HP 16501A Replaceable Parts Ref Des HP Part Number Exchange Assemblies A4 16500 69500 External Parts F1 F1 MP1 MP2 MP3 MP4 MP5 2110 0010 2110 0395 16501 00201 16501 00203 0363 0125 1460 1345 16501 00202 16500 00603 16500 01207 16500 04102 5001 0541 5021 8407 5021 5808 5021 5837 5041 8801 54110 40502 5041 8802 5041 8822
32. off position Install the HP 16500L interface module into the mainframe The procedure for installing the HP 16500L is on page 2 7 Connect the interface cable to the expansion frame and to the interface module in the mainframe 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 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 remain connected to the port HP 16501A aE P 16500B 16500E59 5 Turn onthe system a Connect a power cord to each frame b Turn on the line switch located on the rear panel of each frame c Turn on the power standby switch located on the front panel of the mainframe When the power up tests are complete the mainframe screen shows Master Frame in a blue field 2 9 Preparing for Use To connect an external monitor To connect an external monitor The following tables define the signal available for external monitors at the HP 16500L connector and pin numbers HP 16500L Output Signal For External Monitors Horizontal deflection fh 25 0 kHz Vertical deflection fv 59 95 Hz Resolution 576 x 368 x dots x lines
33. the power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board to discharge before servicing the instrument However if the AC LED on the power supply has any illumination a significant charge remains on the capacitors HP 16500B Using previous procedures remove the following assemblies e Top cover e Flexible disk drive assembly e Optional module card or filler panel in the top slot of the card cage Remove the power supply rear panel Disconnect the color display to power supply cable from the power supply Remove the 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 Using previous procedures remove the following assemblies e Top cover e Optional module card or filler panel in the top slot of the card cage 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 disconnect
34. up tests As each test completes either passed or failed prints on the screen in front of the name of each test 1 Disconnect all inputs then insert a formatted disk into the flexible disk drive 2 Let the instrument warm up for a few minutes then cycle power by turning off then turning on the power switch If the instrument is not warmed up the power up test screen will complete before you can view the screen 3 As the tests complete check if they pass or fail The Flexible Disk Test reports No Disk if a disk is not in the disk drive If a power up self test fails refer to chapter 5 Troubleshooting 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 Correlator Test passed Hard Disk Test passed Flexible Disk Test Loading Module Files 3 3 Testing Performance To perform the self tests To perform the self tests The self tests verify the correct operation of the logic analysis system Self tests can be performed all at once or one at a time While testing the performance of the logic analysis system run the self tests all at once 1 If you just did the power up self tests go to step 2 If you did not just do the power up self tests disconnect all inputs then turn on the power switch Wait until the power up tests are complete 2 In the System Configurati
35. 00000000 o R 00000000 oO RP1 0000000000 ono o o o Pin 1 O 16500m01 Bottom Side of Expansion Interface Card 5 31 Troubleshooting To test the expansion frame interface Test the Mainframe CPU Board Remove power from the HP 16500B system and unplug the power cords from both the mainframe and the expansion frame Reinstall the bottom cover on the expansion frame Set the mainframe on its side with the strap handle facing up then remove the bottom cover Plug the power cords into both the mainframe and expansion frame then apply power In the System Configuration menu select Configuration Select Test then touch the box to load the test system Select Test then select Mainframe Tests Select Option Board Tests then select Run Repetitive Ground the oscilloscope probe to the metal portion of the frame near the rear panel of the mainframe and check for TTL activity on the following pins Reference designator J10 is indicated on the bottom side of the CPU board e J10 pins 11 through 18 e J10 pins 21 through 28 e J10 pins 48 through 50 If there is TTL activity on all of the pins indicated then the mainframe CPU board is operational If one or more of the signal pins on the expansion frame interface board did not show TTL activity then the HP 16500L or the interface cable are suspect Using an ohm meter check continuity of the interface cable If the interface cable is good then replace the HP
36. 16500L circuit board Remove power from the HP 16500B system and unplug the power cords from both the mainframe and expansion frame Replace the faulty components then reassemble the mainframe Optional modules or filler panels 6 3 Covers 6 4 Flexible disk drive 6 5 Power supply 6 6 Rear fan 6 8 Side fan 6 9 HP 16500L interface module 6 10 Hard disk drive 6 12 Microprocessor board CPU 6 13 SIMM memory module 6 14 Expansion interface board 6 15 Mother board 6 16 Front Panel board 6 18 Color display assembly 6 19 To return assemblies 6 22 To remove and replace the Replacing Assemblies WARNING CAUTION CAUTION Replacing Assemblies This chapter contains the instructions for removing and replacing the assemblies of the logic analysis system Also in this chapter are instructions for returning assemblies Hazardous voltages exist on the power supply the CRT and the CRT driver board To avoid electrical shock disconnect the power from the instrument before performing the following procedures After disconnecting the power wait at least six minutes for the capacitors on the power supply board and the CRT driver board to discharge before servicing the instrument However if the AC LED on the power supply has any illumination a significant charge remains on the power supply capacitors Damage can occur to electronic components if you remove or replace assemblies when the instrument
37. 201 MP8 16501 40501 MP9 1400 0560 MP14 16500 04701 MP15 16500 23101 MP16 16500 23102 MP20 16500 61202 MP46 16501 94301 Miscellaneous 16500 40502 QTY Description Screw M3 X 0 5 8MM LG Screw M4 X 0 8 15MM LG Screw M4 X 0 7 14MM LG Screw M3 X 0 5 12MM LG Screw M4 X 0 7 12MM LG Screw M5 X 0 8 10MM LG Screw M4 X 0 7 6MM LG 90 DEG FH Screw M3 5 X 0 6 25 4MM LG back Feet Nut Sheet Metal M4 Screw TPG 6 19 5 IN LG Screw M3 0 5 X 20 fan Grommet Nut Cable clamp Fan bracket Module panel expansion interface board CL SET LED MTG LED clamp set Strut mother board Card guide side Card guide center Power supply cover rear panel Label ID expansion interface board Filler panel Block Level Theory 8 3 The HP 16500B Logic Analysis System 8 3 The Microprocessor Board 8 6 The Power Up Routine 8 9 The Power Up Screen 8 9 Power Up Self Tests 8 10 Power Up Tasks 8 10 The System Configuration Menu 8 12 Self Tests Description 8 13 Power Up Self Tests 8 13 Functional Performance Verification Tests 8 15 HP IB 8 18 RS 232C 8 19 Theory of Operation Theory of Operation This chapter tells the theory of operation for the logic analysis system and describes the self tests The information in this chapter is to help you understand how the logic analysis system operates and what the self tests are testing This information is not intended for component level repair 8 2
38. 5 c H DASS o LOCATION FAIL SIMM MODULE ROM INTERRUPT HIL CONTROLLER amp pate Med on DISPLAY TEST DO FRONT PANEL AND GO TO HIL TOUCHSCREEN TESTS FLOWCHART 8 PASS DOES GO TO FLEXIBLE DISK DRIVE FLEXIBLE DISK DRIVE TEST PASS FLOWCHART 9 DOES GO TO HARD DISK DRIVE HARD DISK DRIVE TEST PASS FLOWCHART 10 16500120 Power Up Troubleshooting Flowchart 4 Troubleshooting To use the flowcharts FROM MAIN FLOWCHART 1 SYSTEM DISK NOT FOUND MESSAGE APPEAR SYSTEM MODULES amp SOFTWARE OPTIONS INSERT OPERATING SYSTEM DISK IN FLEXIBLE DISK CHECK SUFFICIENT SIMM GO TO MAIN FLOWCHART MEMORY IS INSTALLED DRIVE AND REBOOT CHECK OPERATING SYSTEM FILES ARE IN SYSTEM SUBDIRECTORY ON HARD DRIVE DOES SYSTEM CONFIGURATIO MENU APPEAR ARE OPERATING SYSTEM FILES LOADED ON HARD DRIVE IS CURRENT OPERATING SYSTEM INSTALLED CHECK CABLES TO DISK DRIVES LOAD OPERATING SYSTEM FILES IN NSYSTEM SUBDIRECTORY ON HARD DRIVE UPGRADE OPERATING SOFTWARE TO CURRENT VERSION ARE CABLES OK 16590721 System Start Troubleshooting Flowchart 5 REPLACE FAULTY DISK DRIVE CABLE REPLACE CPU BOARD 5 8 1 FROM MAIN FLOWCHART 1 DOES RAM TEST PASS DO ROM amp HP IB Troubleshooting To use the flowcharts GO TO
39. 5041 8819 5041 8820 5062 3704 5062 3847 5062 3822 5062 3747 8160 0551 8120 1521 Electrical Assemblies A1 A3 A4 B1 B2 16501 66501 16500 66501 0950 1853 3160 0429 3160 0429 98735 61601 16501 61604 16501 61603 16500 61604 QTY p a Se NO ny N N moo o Description Power supply assembly exchange Front panel Rear panel FRI strip fingers top and bottom covers Tile stand Sub panel Fan screen rear Fan shroun rear Top cover Side trim front frame Frame front Frame rear Strut corner Feet front bottom cover Feet back Top trim strip frame Feet rear bottom cover Strap handle cap front Strap handle cap rear Strap handle Cover left side with handle Cover right side without handle Cover bottom EMI shielding braided Power cord United States 7 5 ft Expansion interface board Mother board Power supply assembly Fan tubeaxial Fan tubeaxial Cable assembly interface Cable assembly ribbon mother board to expansion interface board Cable assembly LED Cable fan power Replaceable Parts HP 16501A Exploded View and Replaceable Parts HP 16501A Replaceable Parts Ref HP Part Des Number Internal Parts H1 0515 0372 H2 0515 0433 H3 0515 0435 H4 0515 0664 H5 0515 0943 H6 0515 1384 H7 0515 1403 H8 0515 1444 H9 0535 0105 H11 0624 0520 H12 2510 0332 H18 0400 0001 H19 0535 0031 H20 1400 0611 MP6 16501 01
40. Errata Title amp Document Type 16500B 16501A Logic Analysis System Service Guide Manual Part Number 16500 97011 Revision Date August 1994 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 The HP XXXX referred to in this document is now the Agilent XXXX For example model number HP8648A is now model number Agilent 8648A About this Manual We ve added this manual to the Agilent website in an effort to help you support your product This manual provides the best information we could find It may be incomplete or contain dated information and the scan quality may not be ideal If we find a better copy in the future we will add it to the Agilent website Support for Your Product Agilent no longer sells or supports this product You will find any other available product information on the Agilent Test amp Measurement website www tm agilent com Search for the model number of this product and the resulting product page will guide you to any available information Our service centers may be able to perform calibration if no repair parts are needed but no other support from Agilent is available Agilent Technologies Service Guide Publication number 16500 97011 First edition
41. Flexible Disk Drive Programmability Hardcopy Output Input Output Rear Panel BNCs Intermodule Bus IMB Characteristics General Information Specifications Specifications The specifications are the performance standards against which the product is tested There are no specifications for the HP 16500B or the HP 16501A Characteristics These characteristics are not specifications but are included as additional information The following characteristics are typical for the HP 16500B 16501A system Capacity 86 Mbyte unformatted Formatted as a Microsoft DOS disk drive IDE Interface Bus Capacity 1 44 Mbyte formatted Microsoft DOS or LIF supported Instrument settings and operating modes including automatic measurements may be remotely programmed via RS 232C HP IB IEEE 488 or optional HP 16500L Ethernet Printers Supported HP ThinkJet HP QuietJet HP LaserJet HP PaintJet HP Deskjet HP Deskjet C Epson and Epson compatible for example 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 Parity none odd or even Baud rates 110 300 600 1200 2400 4800 9600 19200 HP IB Interface Functions SH1 AHI T5 TEO L3 LEO SR1 RL1 PP1 DC1 DT1 CO and E2 Port in User selectable TTL ECL or user defined Zin 4 kQ Maximum Vin 6 0 V at 1 5 mA to 6 V at 1 6 mA Port out Output signal is active high TTL output leve
42. HP 16500B Exploded View and Replaceable Parts 7 4 HP 16501A Exploded View and Replaceable Parts 7 9 Theory of Operation Block Level Theory 8 3 The HP 16500B Logic Analysis System 8 3 The Microprocessor Board 8 6 The Power Up Routine 8 9 The Power Up Screen 8 9 Power Up Self Tests 8 10 Power Up Tasks 8 10 The System Configuration Menu 8 12 Self Tests Description 8 13 Power Up Self Tests 8 13 Functional Performance Verification Tests 8 15 HP IB 8 18 RS 232C 8 19 Accessories 1 2 Specifications 1 3 Characteristics 1 3 Recommended Test Equipment 1 6 General Information General Information This chapter lists the accessories the specifications and characteristics and the recommended test equipment Accessories The following accessories are supplied with the HP 16500B 16501A Logic Analysis System Accessories Supplied Oty Training Kit 1 Setting Up The System Guide 1 User s Reference 1 Programming Reference 1 Service Guide 1 RS 232C Loopback Connector 1 Power cord 1 Disk pouch containing backup composite software 1 Feeling Comfortable With Logic Analyzers 1 Feeling Comfortable with Digitizing Oscilloscopes 1 Filler Panels Quantity depends on how many modules are ordered with the HP 16500B 16501A Accessories Available Other accessories available for the HP 16500B 16501A Logic Analysis System are listed in the Accessories for HP Logic Analyzers brochure Hard Disk Drive
43. IMM memory To remove and replace a SIMM memory HP 16500B 1 Using previous procedures remove the following assemblies Microprocessor CPU board 2 Hold the release tabs away from the SIMM single inline memory module then pull the module out 3 Reverse this procedure to install the replacement SIMM Slide the SIMM module into the connector at an angle then push it down parallel to the microprocessor board Memory Modules Microprocessor CPU Board Note Cutout in Memory Module Release Tabs Note Groove in Memory Mod and Notch in Connector 16500E60 6 14 Replacing Assemblies To remove and replace the expansion interface board To remove and replace the expansion interface board HP 16501A Using previous procedures remove the following assemblies e Bottom cover e All optional modules and filler panels 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 front 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 In order to ens
44. JUST MONITOR ACCORDING TO MANUFACTURER S PROCEDURES IS THERE STILL A VIDEO PROBLEM External Monitor Troubleshooting Flowchart 14 N 2 CHECK VIDEO CABLES BETWEEN CPU BOARD RESEAT OR REPLACE HP 16500L AND DISPLAY FAULTY CABLE FOR CONTINUITY AND SEATING YES OBTAIN A MONITOR THAT CAN SYNCH TO VIDEO SIGNAL CHECK VIDEO SIGNALS USING VIDEO TROUBLE SHOOTING PROCEDURE NO ARE TROUBLESHOOT HP 165000L VIDEO SIGNALS AND CPU BOARD OK POSSIBLE INCOMPATIBLILITY REPLACE FAULTY BETWEEN HP 165008 VIDEO HP 165000L OR CPU SIGNAL AND MONITOR BOARD 16500T29 See Also Troubleshooting To check the power up self tests To check the power up self tests The logic analysis system automatically performs power up self tests when you apply power to the instrument The revision number of the operating system shows in the upper right corner of the screen during these power up tests As each test completes either passed or failed appears on the screen in front of the name of each test Disconnect all inputs then insert a formatted disk into the flexible disk drive Let the instrument warm up for a few minutes then cycle the power by turning off and turning on the power switch If the instrument is not warmed up the power up test screen will complete before you can view the screen 3 As the tests complete check if they pass or fail the
45. PU board To release the cable push the tabs on the board connector to the outside of the connector With the interface module installed you will not use this cable Save the cable to use in case the interface module is removed If you need more room to replace the CRT cable you can remove the hard disk drive Removing the hard disk is not necessary but gives you more room for replacing the CRT cable The hard disk is connected with four screws Connect one end of the new 40 pin cable to the CRT module Push the cable connector into the board connector until the tabs lock in the cable If you removed the hard disk drive replace it before going to the next step 40 Pin Connector Hidden Uer re 16500620 Hard Disk 2 7 Preparing for Use To install the HP 16500L interface module 5 Slide the interface module into the mainframe through the slot in the rear panel 6 Install the screws connecting the interface module to the mainframe Two screws through the top of the interface module connect it to the sheetmetal plate and four screws through the rear plate of the interface module connect it to the rear panel of the mainframe 7 Connect the end of the 40 pin CRT cable to the interface module 8 Connect the 80 pin cable to the CPU board and to the interface module a Slide the 80 pin cable halfway through the rear slot of the card cage between the interface module and the CPU board b Co
46. TED RS 232C Test Option Board Test status PASSED status UNTESTED HIL Test All System Tests status PASSED status TESTED The Color Display Test is not normally needed The screens are primarily used when the color display assembly requires adjusting For the adjustment procedure refer to chapter 4 Calibrating and Adjusting Exit the mainframe tests a Inthe Mainframe Test menu select Mainframe Test then select Test System b Select Configuration then select Exit Test in the pop up menu c Select the field close to the center of the screen to exit the test system and to load the mainframe operating system After the operating system is loaded the System Configuration menu is displayed 3 5 3 6 To prepare the instrument 4 3 To access the test patterns 4 4 To adjust geometry 4 5 To adjust focus landing and convergence 4 6 To adjust white balance 4 13 Calibrating and Adjusting WARNING Calibrating and Adjusting This chapter normally gives you instructions for calibrating and adjusting the logic analysis system Because the HP 16500B 16501A requires no calibration only adjustment instructions are included Adjustments The only adjustments to the logic analysis system are adjustments to the color CRT monitor assembly Use the following procedures to adjust the CRT module to compensate for magnetic influences causing misconvergence Hazard voltages
47. TING MODULES AUTOLOADING CONFIGURATIONS The Power Up Screen Model Number and ROM Version The field in the upper right corner of the display shows the mainframe model number and the version of ROM installed on the CPU board The ROM version number is important because the ROM code must be compatible with the version of the operating system which is stored on the hard disk drive The ROM and operating system versions are compatible when the operating system version number is the same as or higher than the ROM version number Met The next to the ROM version number indicates that one of the disk drives is spinning The only appears when the boot code in ROM accesses a disk drive Theory of Operation Power Up Self Tests Power Up Self Tests All of the power up self tests are performed to verify the operation of the HP 16500B mainframe If any of the self tests fail then the power up routine is halted and the FATAL ERRORS ENCOUNTERED BOOT HALTED message appears For more information about the individual self tests refer to Self Tests Description later in this chapter If any power up self test fails refer to chapter 5 Troubleshooting Power Up Tasks During the power up routine messages on the screen display tasks that are being performed The following paragraphs explain the tasks Loading System File The operating system of the HP 16500B mainframe is being uploaded from the disk drive i
48. a problem is not found with the cable and the Touchscreen Test still fails after cleaning the instrument you can suspect a faulty front panel board 8 14 Theory of Operation Functional Performance Verification Tests Correlator Test The correlator test verifies that the intermodule bus time correlator on the microprocessor board is functioning properly If the correlator is functioning then intermodule measurements can be time correlated to within 2 ns This test reports either a pass or fail message For Correlator Test failures you can suspect a faulty microprocessor board Hard Disk Test The Hard Disk Test reads the hard disk to see if the format is recognized If the format is not recognized the test is considered to have failed for the hard disk drive Possible problems causing a fail message include the following e A damaged or disconnected disk drive data cable e A damaged or disconnected disk drive power cable e Hard disk drive is not formatted e A faulty disk drive e Faulty microprocessor interface circuitry to the disk drive Flexible Disk Test The Flexible Disk Test reads the flexible disk to identify the format If the format cannot be identified the test is considered to have failed for the disk drive Ifa flexible 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 Possible problems causing a fail messa
49. ace 2 3 To set the line voltage 2 4 To degauss the display 2 5 To clean the logic analysis system 2 5 To test the logic analysis system 2 5 To install modules 2 6 To install the HP 16500L interface module 2 7 To connect the HP 16501A Expansion Frame 2 9 To connect an external monitor 2 10 3 Testing Performance To perform the power up tests 3 3 To perform the self tests 3 4 4 Calibrating and Adjusting To prepare the instrument 4 3 To access the test patterns 4 4 To adjust geometry 4 5 To adjust focus landing and convergence 4 6 To adjust white balance 4 13 5 Troubleshooting To use the flowcharts 5 2 To check the power up self tests 5 18 To run the self tests 5 19 To check the video signals 5 22 To check the power supply LEDs 5 23 To check the power supply voltages 5 24 To test the flexible disk drive voltages 5 25 To test the hard disk drive voltages 5 27 To test the expansion frame interface 5 29 N Contents 6 Replacing Assemblies To remove and replace the Optional modules or filler panels 6 3 Covers 6 4 Flexible disk drive 6 5 Power supply 6 6 Rear fan 6 8 Side fan 6 9 HP 16500L interface module 6 10 Hard disk drive 6 12 Microprocessor board CPU 6 13 SIMM memory 6 14 Expansion interface board 6 15 Mother board 6 16 Front panel board 6 18 Color display assembly 6 19 To return assemblies 6 22 Replaceable Parts Replaceable Parts Ordering 7 2 Replaceable Parts List Description 7 3
50. ard This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock 1 Turn off the instrument disconnect the power cord then remove the top cover 2 Apply power to the instrument 3 Using a DVM measure the power supply voltages 4 Note problems with the power supply then return to the power supply flowchart Power Supply Voltages Pin Supply Signal Voltage Pin Supply Signal Voltage 1 5 5 volt 5V 21 Ground sense OV 6 5 volt remote sense 5V 22 Power valid 5V 1 9 3 5 volt 3 5 V 23 3 25 volt remote sense 3 25 V 10 3 5 volt remote sense 3 5 V 24 30 3 25 volt 325V 11 12 volt 12V 31 5 2 volt current limit 2 5V 12 12 volt 12V 32 5 2 volt remote sense 5 2V 13 Not connected 33 37 5 2 volt 52V 14 20 Ground OV 38 Remote on off 12V FRONT OF INSTRUMENT PIN 1 PIN 38 OCCU CCU CU UC OU DUC UD UU DUO UCUDUQO DODUOUOUO000000000000U0U000000000000 BOSE WARNING 3 4 Troubleshooting To test the flexible disk drive voltages To test the flexible disk drive voltages Refer to chapter 6 Replacing Assemblies for instructions to remove or replace covers and assemblies Hazard voltages exist on the power supply the CRT and the CRT driver board This procedure is to be performed by service trained personnel aware of the hazards invol
51. cable then remove the fan Reverse this procedure to install the replacement side fan Make sure that the fan power cable is dressed under and between the fans and that the cable polarity is observed 16500E33 2 6 9 Replacing Assemblies To remove and replace the HP 16500L interface module To remove and replace the HP 16500L interface module HP 16500B and HP 16500L Using previous procedures remove the following assemblies e Top cover If your system includes an expansion frame disconnect the interface cable from the HP 16500L interface module by pressing the release tabs on either side of the cable connector while pulling the connector away from the card Disconnect the cable from the HP 16500L interface module to the CRT monitor and the two cables from the HP 16500L interface module to the CPU card Remove the two screws connecting the HP 16500L interface module to the sheet metal plate and the four screws connecting the HP 16500L interface module to the mainframe rear panel Slide the card out the back of the mainframe Insert the replacement card in the back of the mainframe then install the screws and connect the cables The module serial number is located on the module rear panel If you need to keep the same serial number with your system then remove the rear panel from the old interface module and install iton the replacement module The module rear panel is connected to the modul
52. ct a blank colorless raster Preset the front panel brightness and contrast controls to their mechanical centers On the bottom PC board set the following adjustments to their mechanical centers e SUB BRT RV901 e SUB CONT RV902 On the bottom PC board set the following adjustments to their mechanical centers e G DRIVE RV921 e B DRIVE RV931 e R DRIVE RV911 On the rear PC board set the following adjustments fully counterclockwise e G BKG RV721 e B BKG RV731 e R BKG RV711 Adjust the SCREEN RV702 located on the rear PC board until either the red green or blue raster just starts to become visible Note which color becomes visible first and do not adjust the background control BKG for that color in the next step Adjust the other two background controls for the best white balance From the Color Display Test menu select the white raster test pattern Set the front panel brightness control to maximum On the bottom PC board adjust the DRIVE controls RV921 RV931 and RV911 for the best white balance For a white balance reference use an average piece of white photocopy paper and compare the white on the CRT to the paper Repeat steps 1 3 followed by 6 10 until satisfied with the white balance Essentially from this point the procedure is as follows a With a blank screen the front panel brightness set to center and SCREEN RV702 set for minimum background adjust the BKG controls G RV721 B
53. d Reverse this procedure to install the replacement front panel board Top View of Frame E 0 9 9 Q OG 0 2 Oo 0 Oo Oo Ge Top Trim Screws Qty 4 Bottom View of Frame g o Oe G2 6 q G 6 9 0 0 O Ds Oe Top of Frame E Screws Qty 4 Bezel Front Panel Cable Connecting Color Display to Front Panel N Bottom of Frame Cable Connecting Mother Board to Front Panel Sheild RPG Knob CRT Control Knobs Screw 16500E31 Front Panel ty 9 Replacing Assemblies To remove and replace the color display assembly To remove and replace the color display assembly HP 16500B The color display assembly replacement procedure consists of three sections Removing the assembly from the mainframe Transferring parts to the replacement assembly Installing the assembly in the mainframe Removing the color display assembly from the mainframe Using previous procedures remove the following assemblies e All covers Front panel assembly Disconnect the color display to microprocessor cable from the microprocessor board Disconnect the color display to power supply cable from the power supply If an HP 16500L is installed disconnect the cable from the color display to the HP 16500L Remove the screws that connect the rear mounting bracket on the display assembly to the side of the mainframe Remove the sc
54. e Select Stop to halt a repetitive test Mainframe Test ROM Test Repetitive This test checks the system mainf The test computes a checksum for Cancel and compares it to a known stor Done For a Single run the test runs one time and the screen shows the results Mainframe Test o ROM Test failures 1 0 This test checks the system mainframe ROM The test computes a checksum for the ROM and compares it to a known stored value Done 5 20 Troubleshooting To run the self tests 7 To exit the ROM Test select Done Note that the status changes to Passed or Failed 8 Install a formatted disk that is not write protected into the flexible disk drive 10 status ROM Test PASSED Disk Test status UNTESTED RAM Test status UNTESTED Intermodule Test status UNTESTED status Test IB UNTESTED Color Display Test status UNTESTED RS 232C Test status UNTESTED Option Board Test status UNTESTED HIL Test status UNTESTED All System Tests status UNTESTED Connect an RS 232C loopback connector onto the RS 232C port Run the remaining All System Tests in the same manner The Color Display Test is not part of this troubleshooting The Color Display Test is used in chapter 4 Calibrating and Adjusting to adjust the color display The Option Board Test is used later in this chapter to chec
55. e pin 20 on the connector is used to signal if space is available for more data in the logical I O buffer Pin outs of the RS 232C connectors are listed in the following table RS 232C Signal Definitions Pin Function Number 1 Protective Ground 2 Transmitted Data TD 3 Received Data RD 4 Request to Send RTS 5 Clear to Send CTS 6 Data Set Ready DSR 7 Signal Ground 8 Data Carrier Detect DCD 20 Data Terminal Ready DTR 23 Data Signal Rate Selector RS 232C Standard AA BA BB CA CB CC AB CF CD CH CI Signal Direction and Level Not applicable Data from Mainframe High Space 0 12 V Low Mark 1 12V Data to Mainframe High Space 0 3 V to 425 V Low Mark 1 3 V to 25 V Signal from Mainframe High ON 12 V Low OFF 12V Signal to Mainframe High ON 3 V to 12 V Low OFF 3V to 25 V Signal to Mainframe High ON 3 V to 25 V Low OFF 3 V to 25 V Not applicable Signal to Mainframe High ON 3 V to 25 V Low OFF 3 V to 25 V Signal from Mainframe High ON 12 V Low OFF 12 V Signal from Mainframe Always High ON 12 V Copyright Hewlett Packard Company 1987 1994 All Rights Reserved Reproduction adaptation or translation without prior written permission is prohibited except as allowed under the copyright laws Restricted Rights Legend Use duplication or disclo
56. e circuit board with four screws Replacing Assemblies To remove and replace the HP 16500L interface module 7 If your system includes an expansion frame connect the interface cable from the expansion frame to the HP 16500L interface module located in the HP 16500B mainframe 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 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 properly seated it will remain connected to the port Cable to CRT Monitor Screws Qty 2 Release Tabs 16500E54 Qty 4 6 11 Replacing Assemblies To remove and replace the hard disk drive To remove and replace the hard disk drive HP 16500B 1 Using previous procedures remove the following assemblies e Top and bottom covers e HP 16500L interface module 2 Reaching in from the top of the instrument remove the four screws connecting the hard disk drive to the bracket 3 Reaching in from the bottom of the instrument remove the hard disk drive 4 Disconnect the two cables from the hard disk drive to the CPU board 5 Reverse this procedure to install the replacement hard disk drive
57. ear of the bottom cover 3 Remove the side strap handle and side covers To remove the side strap handle remove the two strap retaining screws Slide the strap handle cover off Note that the handle is rounded on the side closest to the instrument Reinstall the handle with the same side toward the instrument To remove a side cover loosen the screw in the rear of the cover The side cover with a strap handle will not have a rear screw 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 4 Replace the covers by reversing this procedure 16500E57 Replacing Assemblies To remove and replace the flexible disk drive To remove and replace the flexible disk drive HP 16500B Using previous procedures remove the following assemblies e Top cover Remove the two disk drive mounting screws Slide the flexible 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 mounting bracket from the bottom of the assembly Reverse this procedure to replace the flexible disk drive 16500E26 6 5 WARNING ao fF WwW ND e Replacing Assemblies To remove and replace the power supply To remove and replace the power supply Hazardous voltages exist on the power supply To avoid electrical shock disconnect
58. eated Set up the Expansion Frame Remove power from the HP 16500B system and unplug the power cords from both the mainframe and the expansion frame Set the expansion frame on its side with the strap handle facing up Remove the bottom cover from the expansion frame Plug the power cords into both the mainframe and expansion frame then apply power In the System Configuration menu select Configuration Select Test then touch the box to load the test system Select Test then select Mainframe Tests in the pop up menu Select Option Board Tests then select Run Repetitive 5 29 Troubleshooting To test the expansion frame interface Test the Expansion Interface Card Ground the oscilloscope probe to the metal portion of the frame near the rear panel of the expansion frame and check for TTL activity on the following pins e U7 pins 11 through 18 U8 pins 2 through 9 e U9 pins 5 through 9 If there is TTL activity on all of the pins indicated then the signal paths from the mainframe CPU board and the end of the expansion frame interface card are considered working Go to the next step If one or more of the signal lines do not show activity then go to Test the Mainframe CPU Board on the next page With the oscilloscope probe still grounded to the expansion frame probe the following pins e U pins 2 through 9 e U8 pins 11 through 18 e U9 pins 11 through 15 If all of the signal lines show TTL activity th
59. en go to the next step If one or more of the signal lines do not show TTL activity then replace the expansion frame interface board 00000000 RP14 00000000 U10 0000000000 9000000000 20000000000 0000000000 9000000000 0000000900 0000000000 0000000000 US RP12 000000D o 00000000 O ooo0o00000 O U8 00000000 U7 a Pin 1 16500m02 Bottom Side of Expansion Interface Card 3 4 Troubleshooting To test the expansion frame interface Remove the probe ground from the frame and reattach the probe ground to the metal portion of the expansion frame near the front panel Probe the following pins e UI pins 2 through 9 e U2 pins 2 through 9 e U3 pins 5 through 9 If all of the signal lines show TTL activity then go to the next step If one or more of the signal lines do not show TTL activity then replace the expansion frame interface board With the oscilloscope probe still grounded to the frame probe the following pins e UI pins 11 through 18 e U2 pins 11 through 18 e U3 pins 11 through 15 If one or more of the signal lines do not show TTL activity then replace the expansion frame interface board o o U4 290000000 U3 OO000000 OOOOOOOD o OOOOOOOOOD OOOOOOO0O00D OOOO0O000000 OOOOO000000 O000000 OOOOO000 oO U2 oooooooooo U1 O00000000000000000000000000000000000 000000000000000000000000000000000000 o o 0000000000 0000000000 0000000000 0000000000 nooooooo
60. etric performance verification Power Up Self Tests The HP 16500B power up tests check the mainframe circuitry only None of the option modules are tested at power up The tests run every time power is applied to the instrument and the results of the tests are reported on the screen If a disk is not installed in the disk drive the advisory no disk is added to the Flexible Disk Tests If any of the self tests fail then the power up routine is halted and the FATAL ERRORS ENCOUNTERED BOOT HALTED message appears A failure indicates that one of the mainframe sub systems is seriously impaired to the point that reliable operation is not possible or that a sub systems is non operational The mainframe hardware would require servicing before the mainframe can be used If any power up self test fails refer to chapter 5 Troubleshooting The power up tests perform the following circuit checks ROM Test RAM Test Interrupt Test Display Test HIL Controller Test Front panel Test Touchscreen Test Correlator Test Hard Disk Test and Flexible Disk Test 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 you can suspect a faulty microproces
61. exist on the power supply the CRT and the CRT driver board To avoid electrical shock read and follow the Safety and Warning considerations at the end of this manual before performing adjustment procedures Adjustment Interval DO NOT PERFORM THESE ADJUSTMENTS AS A PART OF ROUTINE CALIBRATIONS The following procedures are provided only for the few extreme cases where either the earth s magnetic field or the user s environment cause an unusable display due to misconvergence that cannot be corrected by degaussing the entire CRT screen DO NOT perform the procedures in this chapter 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 Adjustment Personnel It is recommended that these adjustments be performed only by qualified personnel who are familiar with color CRT convergence procedures Equipment Required The instrument firmware supplies the display patterns necessary for adjustment The only tool required is a nonmetallic adjustment tool e Sony Part Number 4 367 065 01 e HP Part Number 8710 1355 4 2 Calibrating and Adjusting To prepare the instrument To prepare the instrument 1 Remove the rear feet and the covers from the mainframe 2 Before starting the adjustments mark the position where the potentiometers are set This helps in returning the adj
62. f tests go to step 2 If you did not just do the power up self tests disconnect all inputs then turn on the power switch Wait until the power up tests are complete 2 Inthe System Configuration menu select Configuration then select Test emm Configuration Master Frame Hard Disk nf Keyboard Flexible Disk Utilities HPIB RS 232C Printer Setup RS 232C 3 Select the box labeled Load Test System 4 Select Test System then select Mainframe Test from the pop up menu Mainframe Test ROM Test 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 232C Test Option Board Test status UNTESTED status UNTESTED HIL Test All System Tests status UNTESTED status UNTESTED Troubleshooting To run the self tests 5 Select ROM Test The ROM Test screen is displayed You can run all tests at one time by running All System Tests To see more details about each test you can run each test individually This example shows how to run an individual test Mainframe Test T ROM Test failures 0 0 This test checks the system mainframe ROM The test computes a checksum for the ROM and compares it to a knoun stored value 6 Select Run then select Single To run a test continuously select Repetitiv
63. figuration menu of the module using the software options will show if the software option was installed If the option was installed it will appear in the module configuration menu pop up Refer to the User s Guide the software option for more information 8 10 Theory of Operation Power Up Tasks Initializing and Calibrating Modules The installed modules are initialized and stored calibration factors are uploaded from either the disk drive or module NV RAM into system RAM The configuration menu of the module using the calibration factors will show if the calibration factors have been successfully loaded In some cases a message appears the first time the module is entered In other cases the operation of the module changes until a software calibration is performed to reload calibration factors Refer to the User s Guide and Service Guide of the individual modules for more information Autoloading Configurations The configuration file autoload flag was detected on the disk and configuration files are being loaded into the modules The autoload flag was set during a previous session with the HP 16500B Logic Analysis System Usually a configuration is autoloaded as a shortcut if the module configuration file is used repeatedly 8 11 Theory of Operation The System Configuration Menu The System Configuration Menu When the power up routine is complete and the HP 16500B is operational the System Configuration
64. ge include the following e A damaged or disconnected disk drive cable e Wrong disk formatting or no disk formatting e A faulty disk drive e Faulty microprocessor interface circuitry to the disk drive For Flexible Disk Test failures verify the continuity and connection of the disk drive cable and use formatted disks Functional Performance Verification Tests The following paragraphs briefly describe each mainframe test After a 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 If a mainframe test fails refer to chapter 5 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 you can suspect a faulty microprocessor board Theory of Operation Functional Performance Verification Tests 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 first you can suspect a faulty SIMM module then you can suspect a faulty microprocessor board HP IB Test The HP IB Test checks the basic interface functions of the HP IB
65. he 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 panel board and the controller for the link is located on the microprocessor board Power Supply The power supply provides the following regulated voltages 12 0 Vde 5 0 Vde 3 5 Vdc 412 0 Vdc 5 2 Vdc 3 25 Vdc 120 Vdc The 120 0 V supply is used only by the color module Current limiting overvoltage protection and thermal shutdown are provided for all supplies Theory of Operation The HP 16500B Logic Analysis System HP 16501A The HP 16501A is the expansion frame for the Logic Analysis System The expansion frame components include the following e Expansion Interface Board e Interface Cable e Mother Board e Power Supply To connect the expansion frame to the mainframe you must install an HP 16500L interface module into the mainframe The interface cable connects the expansion frame to the HP 16500L in the mainframe The HP 16501A is an extension of the backplane of the HP 16500B mainframe After you turn on the mainframe the HP 16500B microprocessor board looks for a HP 16500L interface module 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
66. inframe components and the optional boards The microprocessor used is a Motorola 68EC030 Mother Board Located on the mother board are the intermodule 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 Flexible Drive The flexible disk drive uses 3 5 inch double sided double density disks All of the disk drive control circuitry is located on the microprocessor board Hard Disk Drive The hard disk drive located beneath the rear fans is an 85 Mbyte DOS formatted high reliability drive The disk drive circuitry is located on the microprocessor board and on the hard disk drive assembly Color Module 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 Front Panel Board T
67. is on or when the power cable is connected Never attempt to remove or install any assembly with the instrument on or with the power cable connected Replacement Strategy These replacement procedures are organized as if disassembling the complete instrument from the first assembly to be removed to the last Some procedures say to remove other assemblies of the instrument but do not give complete instructions Refer to the procedure for that specific assembly for the instructions Electrostatic discharge can damage electronic components Use grounded wriststraps and mats when performing any service to this logic analyzer Tools Required 10 15 25 TORX screwdrivers 2 posidrive screwdriver 8 mm nut driver See Also Replacing Assemblies To remove and replace optional modules or filler panels To remove and replace optional modules or filler panels To reconfigure your system later in this procedure note the configuration of your system Some modules for the Logic Analysis System require calibration if you move them to a different slot Starting from the top loosen the thumb screws on filler panels and cards in the mainframe or the expansion frame Starting from the top pull the cards and filler panels out All multicard modules will be cabled together To prevent damage to the cables and connectors pull all multicard modules out together To replace the modules reposition all cards and filler panels so that the
68. k signals to the HP 16501A Expansion Frame Exit the mainframe tests a Select Done from any test screen b Select Mainframe Test then select Test System in the pop up menu c Select Configuration then select Exit Test in the pop up menu d Select the box near the center of the screen to exit the test system If you are performing the self tests as part of the troubleshooting flowchart return to the flowchart 5 21 WARNING 1 2 3 4 5 Vertical Horizontal Troubleshooting To check the video signals To check the video signals Refer to chapter 6 Replacing Assemblies for instructions on how to remove or replace covers and assemblies Hazard voltages exist on the power supply the CRT and the CRT driver board This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock Turn off the instrument then remove the bottom cover On the color assembly disconnect the cable that connects the microprocessor board to the color display assembly Turn on the instrument then wait for it to power up Probe the cable for the horizontal sync vertical sync and display data signals The horizontal and vertical sync signals are TTL levels that resemble the figure 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
69. king 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 you can suspect a faulty front panel board Disk Test This test checks both the flexible disk drive and the hard disk drive The drive controllers are checked and the correct disk format is verified for both drives Portions from each sector are read and verified and a test file is written read and then erased Because track sparing is not implemented a failure in any sector or track constitutes a failure of the disk drive media A failure of the flexible disk drive will occur if e A disk is not inserted in the flexible disk drive e Anunformatted disk is inserted in the flexible disk drive e A write protected disk is inserted in the flexible disk drive Theory of Operation Functional Performance Verification Tests Possible problems causing a failed message in either the flexible disk drive or hard disk drive include the following e A damaged or disconnected disk drive cable e Wrong disk formatting or no disk formatting e The disk write protect tab set to the write protect position A faulty disk drive e Faulty microprocessor board interface circuitry to the disk drive For Flexible Disk Test failures verify the continuity and connection of the disk dri
70. l high gt 2 V into 50 Q low lt 0 4 V into 50 Q Run Control Oscilloscope timing state and pattern generation can be armed by Group Run Modules can run concurrently or be armed in series Each module can arm one or more modules Mixed Display Mode Any timing or oscilloscope waveform displays can be mixed State listings can be included with waveforms in the State Timing Mixed Mode display Acquiring Data for Mixed Displays To obtain a mixed display multiple modules must be armed through the IMB To include state listings in mixed mode displays state time tagging must be on 1 3 Operating Environment Weight Power Requirements General Information Characteristics Time Interval Accuracy Between Modules Equals the sum of the channel to channel time interval accuracies of each module used in the measurement for a deskewed measurement Time Correlation Resolution 2 ns 500 MHz Temperature Instrument 0 C to 50 C 432 F to 122 F Disk Media 10 C to 40 C 50 F to 104 F Probes and Cables 0 C to 65 C 32 F to 149 F Humidity Instrument up to 95 relative humidity at 40 C 104 F Disk media and hard drive 8 to 80 relative humidity at 40 C 104 F Altitude Up to 4600 m 15 000 ft Hard drive to 300 m 10 000 ft Vibration Operating Random vibration 5 500Hz 10 minutes per axis 2 41 g rms Non operating Random vibration 5 500Hz 10 minutes per axis 2 4 g rms and
71. lled the HP 16500B can be configured to work with an Ethernet network Network statistics can be viewed by touching the field configuration labeled Ethernet in the Communications menu of the System Configuration menu then touching Ethernet Statistics Refer to the manuals for the HP 16500L interface module for more information 8 12 Self Tests Description The self tests identify the correct operation of the major sub systems in the HP 16500B Logic Analysis System mainframe The self tests are not intended for component level diagnostics Two types of tests are performed on the HP 16500B mainframe the power up self tests and the functional performance verification tests The power up self tests are performed when power is applied to the instrument When the power up self tests are completed and the mainframe sub systems are determined to be operational the system configuration menu is displayed The functional performance verification tests are run using a separate operating system the performance verification PV operating system The PV operating system resides on the hard disk drive and can be accessed through the System Test menu A third type of test parametric performance verification parametric PV is not performed on the HP 16500B mainframe However parametric PV is performed on the modules installed in the mainframe Consult the individual Service Guides for each of the modules for more information about param
72. manuals for the HP 16500L for more information about the LAN interface tests 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 System Tests changes from UNTESTED to TESTED 8 17 HP IB The Hewlett Packard Interface Bus HP IB is Hewlett Packard s implementation of IEEE Standard 488 1978 Standard Digital Interface for Programming 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 HP IB compatible devices HP IB is a parallel bus of 16 active signal lines divided into three functional groups according to function Eight signal lines called data lines are in the first functional group The data lines are used to transmit data in coded messages These messages are used to program the instrument function transfer measurement data and coordinate instrument operation Input and output of all messages in bit parallel byte serial form are also transferred on the data lines A 7 bit ASCII code normally represents each piece of
73. me 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 assembly forward until it is properly seated against the front panel assembly Tighten the four display assembly mounting screws in the front frame Attach the rear mounting bracket of the display assembly 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 assembly mounting hardware Reconnect the flat color display to microprocessor cable to the microprocessor board If an HP 16500L is installed connect the cable from the color display assembly to the HP 16500L Reinstall all covers Top Trim Cable Connecting Color Display to Screws Qty 3 Microprocessor Hidden Top View of Frame Oe 9 O Oe O OTD Oe O2 Oo Oe Oo Oe Oo To Mounting Bracket TT a Bottom View of Frane 9 9 Oo Oe Or Ge O Oo 9 O2 M2 Screws Qty 3 Front Panel Assembly ___
74. menu is displayed The names of the installed modules appear in fields on the left side of the display The fields correspond to the slot into which the module is installed UNRECOGNIZED MODULE If a module field appears with the label UNRECOGNIZED MODULE then the operating system of the module was not uploaded from the disk drive into system RAM One of three things can cause an unrecognized module the operating system file is not on the disk drive the operating system file is corrupted or there is not enough RAM memory in the mainframe Insufficient RAM memory shows up as a number of recognized modules grouped together in the lower slots of the mainframe or expansion frame with recognized modules in the upper slots Touchscreen power up test failed If the touchscreen power up self test found the touchscreen operation impaired then a red bar error message Touchscreen power up test failed appears at the top of the screen This is not a fatal error and only communicates that the touchscreen will operate with a minimal loss of functionality Master Frame If the label Master Frame appears in a blue field then an expansion frame is recognized and up to five more modules are present The modules in the expansion frame can be seen by touching the field labeled Master Frame If the label Master Frame appears as text only then the HP 16500B mainframe does not recognize an expansion frame Ethernet If an HP 16500L interface module is insta
75. n return to the flowcharts The Flexible Disk Test reports No Disk if a disk is not in the disk drive Refer to the tables below for the screen listing after the tests are complete and for power up error messages Power Up Self Test Screen Listing 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 Correlator Test passed Hard Disk Test passed Flexible Disk Test Loading Module Files Error Messages at Power Up Message Cause Remedy FATAL ERRORS ENCOUNTERED A power up test failed Follow the troubleshooting BOOT HALTED flowcharts SYSTEM DISK NOT FOUND The mainframe operating system Install the operating system cannot be found on the hard disk software onto the hard disk drive drive Touchscreen power up test The touchscreen operation is Follow the troubleshooting impaired impaired flowcharts The touchscreen might still operate with a minimal loss of functionality The Power Up Routine in chapter 8 Troubleshooting To run the self tests To run the self tests Self tests identify the correct operation of major functional subsystems of the instrument You can run all self tests without accessing the interior of the instrument If a self test fails the troubleshooting flowcharts instruct you to change a part of the instrument 1 If you just did the power up sel
76. nd Adjusting To adjust focus landing and convergence 4 Adjust V TOP RV801 and V BOTTOM RV802 to obtain coincidence of the red blue and green at the intersection of the top and bottom horizontal lines with the center vertical line The VTOP and VBOTTOM adjustments are located on the bottom PC board Use the next two figures for V TOP and V BOTTOM respectively ee MEME T c C R B G G B R RGB RGB O O Pee qM X KE c M5411007 M MEME a te a eee O O RGB RGB R B G G B R Rae ae MENT RE EE M M5411008 Calibrating and Adjusting To adjust focus landing and convergence 5 Adjust H AMP RV807 located on the bottom PC board for equal amounts of misconvergence at the right and left sides of the screen sae ee I PR BS nm p c RO SV LA CMM E M5411009 6 Adjust 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 e os B G R R C B OrO O OrO O c Uu M5411010 7 If you are finished with the CRT adjustments replace the fans If you need to adjust the white balance which is the next procedure you will replace the fans after completing that procedure 10 11 12 Calibrating and Adjusting To adjust white balance To adjust white balance Provide a blank display on the CRT From the Color Display Test menu sele
77. nnect the cable to the CPU board c Connect the cable to the interface module 9 Connect the 10 pin cable to the CPU board and to the interface module 10 Replace the top and bottom covers the optional modules and the rear feet of the mainframe 11 Turn onthe system a Connect a power cord to the frame b Turn on the line switch located on the rear panel the frame c Turn on the power standby switch located on the front panel of the mainframe When the power up tests are complete the mainframe screen shows Ethernet in the Communications menu 80 Pin Connectors TEES 10 Pin Connectors 40 Pin Connector 16500E69 2 8 CAUTION Preparing for Use To connect the HP 16501A Expansion Frame To connect the HP 16501A Expansion Frame The HP 16501A Expansion Frame includes an interface cable and requires an HP 16500L interface module to connect to the HP 16500B mainframe To install the expansion frame you need to install the interface module into the mainframe then connect the cable from the module to the expansion frame Electrostatic discharge can damage electronic components Use grounded wriststraps and mats when performing any service to this card Turn off the mainframe power switch then unplug the power cord Disconnect any input connections Verify that the line select switch located on the rear panel of the expansion frame is in the
78. nterrupt Control circuit encodes the interrupt signal from the peripheral device to the microprocessor as a prioritized microprocessor interrupt Address Area Decoder and Peripheral Decoder The mainframe peripheral interfaces link the microprocessor data and address busses with the system peripherals The system peripherals are then selected by the microprocessor through the address area decoder and peripheral decoder The peripheral decoder selects all peripherals including the HIL interface the HP IB and RS 232C interfaces the color palette the hard disk drive interface and the flexible disk drive interface The address area decoder enables access to system ROM the display RAM peripherals and the HP 16500L interface module Real Time Clock The Real Time Clock provides time information to the HP 16500B microprocessor system The time information is used to place a time stamp on files stored on both the hard and flexible disk drives Time information may also be used by certain option modules to time stamp acquired data For more information regarding the option modules refer to the User s Guide of the specific module Ethernet LAN Interface Using line drivers the Ethernet LAN Interface links the microprocessor address and data bus with the LAN controller IC on the HP 16500L Interface Module Consult the HP 16500L Administrator s and Service Guide for more information regarding the HP 16500L Interface Module Theory of Opera
79. nto system RAM SYSTEM DISK NOT FOUND appears only when the mainframe operating system cannot be found on the hard disk drive The HP 16500B mainframe power up routine will not go any further until a mainframe operating system is present and is recognized In this case remove power from the instrument and install the flexible disk containing the mainframe operating system in the flexible disk drive When the System Configuration menu appears the hard disk drive directory can be checked to see if the mainframe operating system is present and recognized and has the correct version number Loading Module Files The operating system of each of the installed modules is being uploaded from the disk drive into system RAM The module operating systems are loaded beginning with the module in slot A the top most module Then the operating system of the module in slot B is loaded and so on Consequently only the operating systems of the installed modules will be loaded into RAM The operating systems of modules not installed will not be uploaded from the disk drive The System Configuration menu will show if an installed module did not have its operating system loaded The message UNRECOGNIZED MODULE appears in place of the module name next to the slot designations on the left side of the System Configuration menu Loading Software Options Software options for example the System Performance Analysis package are being loaded into system RAM The Con
80. o the mainframe When the hard disk drive begins spinning ensure the disk drive does not contact the CPU board When the mainframe has powered up enter the Test System When the System Test menu appears select Mainframe Test then select Disk Test When the disk test menu appears select Run Repetitive Using an oscilloscope check for activity on the pins Probe the voltages on the hard disk drive circuit board where the data cable connector is soldered Pin 1 of the connector is marked on the circuit board and is on the side of the connector closest to the power cable o EA S X LZ S A C LE Se mS 99 16500E75 5 27 Troubleshooting To test the hard disk drive voltages Disk Drive Voltages co o Cc Ci 4 won D Signal Description Reset Ground Data Data Data Data Data Data Data Data Data Data Data Data 28 Signal Description Data Data Data Data Ground connector key pin NC Ground Write Strobe Ground Read Strobe Ground 1 0 Cycle Extend NC Pin 29 30 31 32 33 35 36 37 38 39 40 Signal Description 5V Ground Interrupt Request NC Address NC Address Address Register Select Register Select NC Ground 7 If the hard disk drive signals appear as indicated then the hard disk drive should be replaced If the signals do not appear then either the data cable
81. oard on the left side of the display Adjust the display size Measure with a flexible ruler e Adjust H SIZE RV504 for a 161 mm 6 34 in width e Adjust V HEIGHT RV50 for a 120 5 mm 4 74 in height Center the pattern e Adjust V CENT RV510 for vertical centering e Adjust H CENT RV503 for horizontal centering Adjust PIN AMP RV506 to eliminate pincushion distortion in the vertical lines of the cross hatch pattern as shown in the next figure M5411012 Remove the left bottom rail of the mainframe The left bottom rail must be removed in order to access the next adjustment Adjust PIN PHASE RV505 to eliminate pin phase distortion in the vertical lines of the cross hatch pattern as shown in the next figure 16500B01 Reinstall the bottom rail Adjust TOP PIN RV511 so that the top horizontal line is parallel with the center horizontal line Adjust BOTTOM PIN RV512 so that the bottom horizontal line is parallel with the center horizontal line 4 5 Calibrating and Adjusting To adjust focus landing and convergence To adjust focus landing and convergence Once you have started you will have to do all three of the procedures in this group the focus the landing and the convergence adjustments Initial Preparation Loosen the deflection yoke clamp screw 2 Remove the rear and side fans Refer to chapter 6 Replacing Assemblies Focus Adjustment
82. on menu select Configuration then select Test Master Frame Configuration Hard Disk Flexible Disk Utilities NENNEN NI Keyboard HPIB RS 232C 3 Select the box labeled Load Test System 4 Select Test System then select Mainframe Test from the pop up menu Mainframe Test isk Test status T UNTESTED ROM Test status UNTESTED RAM Test status UNTESTED HP Intermodule Test status UNTESTED IB Test UNTESTED status RS 232C Test Color Display Test status UNTESTED status UNTESTED Option Board Test status UNTESTED HIL Test status UNTESTED All System Tests status UNTESTED 5 6 Testing Performance To perform the self tests Install a formatted disk that is not write protected into the flexible disk drive Connect an RS 232C loopback connector onto the RS 232C port Select All System Tests You can run all tests at one time by running All System Tests To see more details about each test you can run each test individually This step shows how to run all tests at once The status of the tests will change from Untested to Passed or Failed If a test fails refer to chapter 5 Troubleshooting Mainframe Test ROM Test Disk Test status PASSED status PASSED RAM Test Intermodule Test status PASSED status PASSED HP IB Test Color Display Test status PASSED status UNTES
83. or monitor bracket Screw color monitor bracket Screw 6 32 0 25in Pan hard drive Rear panel Grill rear fan Bracket flexible disk Bracket fan disk Bracket color module top Bracket color module bottom Fan shroud rear Mother board bracket Card guide side Card guide center Power supply cover rear panel Frame front Frame rear Strut corner Bracket color module rear Support color module rear Cover plate Shield flexible disk drive Cable mother board to front panel Cable CPU to color module Cable CPU to flexible disk drive 34 cond Cable fan power Cable front panel to color module Replaceable Parts HP 16500B Exploded View and Replaceable Parts HP 16500B Replaceable Parts Ref Des W6 W8 W9 W10 Front Panel Assemhly Parts A2 H1 H10 MP1 MP5 MP17 MP18 MP40 MP41 MP42 MP43 HP Part Number 16500 61606 16500 61611 16500 61612 16500 61613 16500 66512 0515 0372 0535 0106 16500 40203 16500 00601 16500 42202 16500 47402 16500 94311 16500 47401 5041 4944 16500 44701 Miscellaneous 16500 40502 01650 63202 PNM Description Cable power supply to color module Cable hard drive 40 cond Cable hard drive power Cable CRT 10 40 10 cond 40 pin CRT to CPU Board assembly front panel MSPH M3 8 SMS10 Nut sheetmetal clips Front panel Static shield Touch screen bezel RPG
84. or the CPU board is suspect J12 of the CPU board can be probed in the same manner as described above to check for the same signals 8 Select Stop and turn off the mainframe Remove the power cable and replace the faulty assembly 9 Reassemble the mainframe 5 28 WARNING 1 2 3 4 5 Troubleshooting To test the expansion frame interface To test the expansion frame interface This procedure is used during troubleshooting to isolate a failed interface component the interface cable the expansion frame interface card or the HP 16500L The Option Board Test in the performance verification software generates bit patterns across the data address and strobe lines of the interface Isolation is done by using an oscilloscope to check activity on the address and data buses and the strobe signal lines Refer to chapter 6 Replacing Assemblies for instructions to remove or replace covers and assemblies Hazard voltages exist on the power supply the CRT and the CRT driver board This procedure is to be performed by service trained personnel aware of the hazards involved such as fire and electrical shock Equipment Required Equipment Critical Specification Recommended Model Part Number Oscilloscope 100MHz Bandwidth HP 54600A Before beginning this procedure verify that the HP 16500L interface is properly installed and that the expansion frame interface card and interface cable are properly s
85. ostatic discharge can damage electronic components Use grounded wriststraps and mats when you perform any service to this instrument or to the cards in it To use the flowcharts Flowcharts are the primary tool used to isolate defective assemblies The flowcharts refer to other tests to help isolate the trouble The circled letters on the charts indicate connections with the other flowcharts Start your troubleshooting at the top of the first flowchart 5 2 START APPLY POWER IS COMPLETE POWER UP SCREEN DISPLAYED REMOVE POWER REMOVE OPTIONAL MODULES amp RE APPLY POWER 1S COMPLETE POWER UP SCREEN DISPLAYED YES Y FIND DEFECTIVE MODULE BY REINSTALLING ONE MODULE AT A TIME REINSTALL ALL OPTIONAL MODULES MAIN FLOWCHART 2 y REPLACE DEFECTIVE MODULE 16500716 Main Troubleshooting Flowchart 1 GO TO COLOR MODULE FLOWCHART 3 Troubleshooting To use the flowcharts DO POWER UP TESTS PASS GO TO POWER UP TESTS YES FLOWCHART 4 IS SYSTEM CONF IGURATION MENU DISPLAYED GO TO SYSTEM START FLOWCHART 5 IS EXPANSION FRAME CONNECTED GO TO MAIN FLOWCHART 2 FROM LOAD amp ENTER PV OPERATING SYSTEM DO MAINFRAME TESTS PASS GO TO MAINFRAME TESTS FLOWCHART 6 IS EXTERNAL MONITOR CONNECTED
86. p trim strip frame Feet rear bottom cover Strap handle cap front Strap handle cap rear Strap handle Cover left side with handle Cover right side without handle Cover bottom EMI shielding braided Power cord United States 7 5 ft Power cord Option 900 UK Power cord Option 901 Austl Power cord Option 902 Eur Power cord Option 906 Swit Power cord Option 912 Den Power cord Option 917 Africa Power cord Option 918 Japan Accessory pouch Replacement screw for top and bottom covers Replacement retaining ring for top and bottom covers 16500834 Replaceable Parts HP 16500B Exploded View and Replaceable Parts MP17 MP11 H15 H14 MP41 MP18 Exploded View of the HP 16500B OOOO00 YN NG Ww V Nes w ZelSl 61 81 51 57 WK M PARTS NOT SHOWN A9 SIMM MODULE 10 SCREWS FLEXIBLE DISK DRIVE MP43 SWITCH SPACERS W2 CABLE CPU TO COLOR MODULE W3 CABLE CPU TO DISK DRIVES W4 CABLE FAN POWER W6 CABLE POWER SUPPLY TO COLOR MODULE W8 CABLE HARD DISK DRIVE W9 CABLE HARD DISK DRIVE POWER W10 CABLE CRT TO CPU H13 WASHER CPU 7 6 Replaceable Parts HP 16500B Exploded View and Replaceable Parts HP 16500B Replaceable Parts Ref Des HP Part Number Internal Parts Al A3 A4 16500 66501 16500 66509 0950 2169 D2329 60003 0950 1853 2090 0251 1818 4703 3160 0829 3160 0829
87. pment Critical Specifications Recommended Model Part Oscilloscope 100 MHz Bandwidth HP 54600A Voltmeter HP 3478A RS 232C Loopback HP Part Number Connector 01650 63202 A Adjustment P Performance Tests T Troubleshooting Use 444 1 6 gt e To inspect the logic analysis system 2 2 To apply power 2 3 To operate the user interface 2 3 To set the line voltage 2 4 To degauss the display 2 5 To clean the logic analysis system 2 5 To test the logic analysis system 2 5 To install modules 2 6 To install the HP 16500L interface module 2 7 To connect the HP 16501A Expansion Frame 2 9 To connect an external monitor 2 10 Preparing for Use WARNING Preparing For Use This chapter gives you instructions for preparing the logic analysis system for use Power Requirements The logic analysis system mainframe requires a power source of either 115 Vac or 230 Vac 22 96 to 10 96 single phase 48 to 66 Hz 475 W maximum power The logic analysis system expansion frame requires a power source of either 115 Vac or 230 Vac 22 96 to 10 96 single phase 48 to 66 Hz 420 W maximum power Operating Environment The operating environment is listed in chapter 1 Note the noncondensing humidity limitation Condensation within the instrument can cause poor operation or malfunction Provide protection against internal condensation The logic analysis system will operate at all specifications within
88. port Only the internal portions of the port circuitry is tested For HP IB Test failures you can suspect a faulty microprocessor board RS 232C Test This test checks the basic interface functions of the RS 232C port Both internal and external 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 you can 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 you can 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 you can 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 bloc
89. ration The Microprocessor Board Microprocessor Board Theory The microprocessor board contains the system memory all of the interfaces for the mainframe peripherals the intermodule bus monitor and the option board module interface Microprocessor and System ROM amp RAM The processing engine of the HP 16500B microprocessor board is a Motorola 68EC030 microprocessor The 68E C030 is supported by 128 Kbytes of ROM and 8 Mbytes of single inline memory module SIMM RAM Stored in ROM are the power up routines for the mainframe including the power up self tests and the disk drive instructions The HIL driver is also resident in system ROM Supply Voltage Supervisor The Supply Voltage Supervisor SVS monitors the main power supply bus and ensures a smooth power up of the microprocessor system The SVS also ensures a graceful recovery of the system in case the line voltage drops below nominal levels During power up the SVS asserts the microprocessor L RESET pin when the supply voltage stabilizes Because the voltage on the main power supply bus is affected by abnormal line voltages the SVS asserts the microprocessor L_HALT pin during a low line voltage condition When the line voltage returns to a nominal value the L RESET pin is then asserted by the SVS and the HP 16500B will reboot Interrupt Control The Interrupt Control circuit manages the interrupt signals asserted by the peripheral devices When an interrupt is received the I
90. rews 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 assembly can clear the mainframe Slide the complete color display assembly forward out of the mainframe To prevent damage to the assembly cables make sure that they also clear the frame Top Trim Cable Connecting Color Display to Screws Qty 3 Microprocessor Hidden Top View of Frame Q9 Oe 9 Oc Oo O 2 O7G G O Oo 9 Oe Ge To Mounting Bracket a Bottom View of Frane Oe Oe O Oo Ge Qs Q Q O Oe Oe 00D Screws Oty 3 Front Panel Assembly _ S f ZA s Bottom Frame 3 Re Cable Connecting Color Display to Power Supply 16500632 Replacing Assemblies To remove and replace the color display assembly Transferring parts to the replacement assembly The purpose of this procedure is to transfer the mechanical parts from the old assembly to the replacement assembly 1 Remove the rear mounting bracket from the rear support bracket Remove the rear support bracket from the color display assembly 2 Attach the rear support bracket to the replacement assembly using the two thread forming screws Do not overtighten 3 Attach the frame mounting bracket to the rear support bracket Install the hardware
91. s 4 7 Calibrating and Adjusting To adjust focus landing and convergence 8 Move the deflection yoke forward until the entire raster is green Landing adjustment is easier if the yoke is moved all the way forward and then moved back until the raster is completely green 9 Using the Color Purity key replace the green raster with red and then blue raster each time checking for proper landing adjustment color purity of each 10 Ifthe landing is not correct in step 9 repeat steps 6 through 9 for the best compromise Purity control corrects this area Deflection yoke position corrects these areas 54720M08 11 Ifthe landing is not correct in step 10 readjust purity magnets for best landing of each color 12 When the landing adjustment is complete tighten the deflection yoke clamp screw just enough to keep the yoke from moving DO NOT over tighten or you might damage the CRT 4 8 Calibrating and Adjusting To adjust focus landing and convergence Static Convergence Temporarily disconnect the power from the instrument Remove the PC board shield cover from the rear of the Color CRT Module by prying evenly on all four sides Reapply power Display the white cross hatch test pattern on the CRT From the Color Display Test menu select the white cross hatch pattern 5 Preset front panel brightness control the top of the two controls to the left of the display maximum clock
92. s 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 6 6 Replacing Assemblies To remove and replace the power supply ao aA Fw WD Replacing Assemblies To remove and replace the rear fan To remove and replace the rear fan HP 16500B and HP 16501A Using previous procedures remove the following assemblies e Top cover Remove the rear fan shroud mounting screws Remove the complete rear fan assembly from the rear panel of the instrument Disconnect the rear fan power cable Remove the rear fan mounting screws and remove the fan from the fan shroud Reverse this procedure to install the replacement rear fan Make sure that the fan power cable is dressed under and between the fans and that the cable polarity is observed 16500E35 6 8 Replacing Assemblies To remove and replace the side fan To remove and replace the side fan HP 16500B and HP 16501A Using previous procedures remove the following assemblies e Top cover and side cover Remove the four side fan mounting screws Reach through the top of the instrument and disconnect the fan power
93. s plug shall only be inserted in a socket outlet provided with a protective earth contact You must not negate the protective action by using an extension cord power cable without a protective conductor grounding Grounding one conductor of a two conductor outlet is not sufficient protection 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 fuseholders To do so could cause a shock of fire hazard Service instructions are for trained service personnel To avoid dangerous electric shock do not perform any service unless qualified to do so Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation is present f you energize this instrument by an auto transformer for voltage reduction make sure the common terminal is connected to the earth terminal of the power source Whenever it is likely that the ground protection is impaired you must make the instrument inoperative and secure it against any unintended operation Do not operate the instrument in the presence of flammable Basses 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 Capacitors inside the instrument may re
94. s system The logic analysis system does not require calibration or adjustment If you require a test to initially accept the operation perform the self tests in chapter 3 Testing Performance If the logic analysis system does not operate correctly go to the beginning of chapter 5 Troubleshooting 2 5 CAUTION CAUTION 10 See Also Preparing for Use To install modules To install modules The following steps give general instructions for installing modules into the mainframe or the expansion frame of the system Electrostatic discharge can damage electronic components Use grounded wriststraps and mats when performing any service to modules Turn off the frame power switch then unplug the power cord Disconnect any input or output connections Plan your module configuration Refer to the manuals of individual modules for configuration information Loosen the thumb screws Cards or filler panels below the slots intended for installation do not have to be removed Starting from the top loosen the thumb screws on filler panels and cards that need to be moved Starting from the top pull the cards and filler panels that need to be moved halfway out All multicard modules will be cabled together To prevent damage to the cables and connectors pull these cards out together Remove the cards and filler panels Remove the cards or filler panels that are in the slots intended for the module
95. sor board Theory of Operation Power Up Self Tests 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 first you can suspect a faulty SIMM module then you can suspect a faulty microprocessor board Interrupt Test The Interrupt Test checks the microprocessor interrupts interrupts 1 thorough 7 This test returns a pass or fail message If any interrupts are active the test fails For Interrupt Test failures you can 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 you can 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 you can 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
96. sure by the U S Government is subject to restrictions set forth in subparagraph C 1 Gi of the Rights in Technical Data and Computer Software Clause in DFARS 252 227 7013 Hewlett Packard Company 3000 Hanover Street Palo Alto CA 94304 U S A Rights for non DOD U S Government Departments and Agencies are set forth in FAR 52 227 19 c 1 2 Document Warranty The information contained in this document is subject to change without notice Hewlett Packard makes no warranty of any kind with regard to this material including but not limited to the implied warranties of merchantability or fitness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for damages in connection with the furnishing performance or use of this material Safety This apparatus has been designed and tested in accordance with IEC Publication 348 Safety Requirements for Measuring Apparatus and has been supplied in a safe condition This is a Safety Class I instrument provided with terminal for protective earthing Before applying power verify that the correct safety precautions are taken see the following warnings In addition note the external markings on the instrument that are described under Safety Symbols Warning Before turning on the instrument you must connect the protective earth terminal of the instrument to the protective conductor of the mains power cord The main
97. t 9 1 5 12 FROM POWER UP FLOWCHART 4 INSTALL OPERATING SYSTEM DISK IN FLEXIBLE DISK DRIVE AND REBOOT CHECK THAT HARD DRIVE DRIVE IS FORMATTED IS HARD DISK DRIVE FORMATTED YES FORMAT THE HARD DISK DRIVE WILL Troubleshooting To use the flowcharts GO TO MAIN FLOWCHART 1 A LOAD CURRENT OPERATING HARD DISK DRIVE FORMAT CHECK HARD DISK DRIVE CABLES Hard Disk Drive Troubleshooting Flowchart 10 HARD DISK DRIVE CABLES OK We SYSTEM VERSION IN Lr SYSTEM SUBDIRECTORY REPLACE HARD DISK DRIVE H REPLACE HARD DISK DRIVE CABLES 16500130 5 13 Troubleshooting To use the flowcharts FROM MAINFRAME TESTS FLOWCHART 6 DOES INTERNAL FAT DOES EXTERNAL FAIL YES IS LOOPBACK CONNECTOR INSTALLED YES LOOPBACK TEST GO TO MAIN FLOWCHART REPLACE CPU BOARD NO LOOPBACK TEST NOTE IF LOOPBACK CONNECTOR IS NOT AVAILABLE THEN JUMPER PINS 2 AND 3 OF THE RS 232C CONNECTOR USI A WIRE OR PAPER CLIP G INSTALL CONNECTOR ON RS 232C PORT AND RE RUN TEST DOES EXTERNAL LOOPBACK TEST FAIL REPLACE CPU BOARD 16500T26 RS 232C Troubleshooting Flowchart 11 1 5 14 NOTE cid REFER TO THE SERVICE MANUAL OF EACH MODULE FOR ID
98. t the line voltage selector located on the rear panel is on the correct setting and the correct fuse is installed See also To set the line voltage in this chapter Connect the power cord to the instrument and to the power source 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 Refer to chapter 7 Replaceable Parts for option numbers of available power cables Turn on the instrument line switch located on the rear panel then turn on the power standby switch located on the front panel To operate the user interface To select a field on the mainframe screen use the touchscreen For more information about the logic analysis system interface refer to the HP 16500B 16501A Logic Analysis System User s Reference To set the HP IB address or to configure for RS 232C refer to the HP 16500B 16501A Logic Analysis System User s Reference 2 3 Preparing for Use To set the line voltage To set the line voltage When shipped from HP the line voltage selector is set and an appropriate fuse is installed for operating the instrument in the country of destination To operate the instrument from a power source other than the one set perform the following steps Turn the front panel power switch to the STBY position then turn
99. tain a charge even if the instrument is disconnected from its source of supply Use caution when exposing or handling the CRT Handling or replacing the CRT shall be done only by qualified maintenance personnel Safety Symbols Instruction manual symbol the product is marked with this symbol when it is necessary for you to refer to the instruction manual in order to protect against damage to the product Hazardous voltage symbol Earth terminal symbol Used to indicate a circuit common connected to grounded chassis WARNING 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 CAUTION 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 destruction of part or all of the product Do not proceed beyond a Caution symbol until the indicated conditions are fully understood or met Hewlett Packard P O Box 2197 1900 Garden of the Gods Road Colorado Springs CO 80901
100. the microprocessor board to the front panel board If a problem is not found with the cable you can suspect a faulty front panel board Touchscreen Test The Touchscreen Test 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 touchscreen 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
101. the power switch to the Off position Remove the power cord from the instrument Replace the main fuse with a 5 A 250 V fuse for 230 V operation or a 10 A 125 V fuse for 115 V operation Set the rear panel line select switch for the desired voltage Reconnect the power cord turn on the rear panel power switch then continue normal operation If your system includes an HP 16501A Expansion Frame repeat this procedure for it The expansion frame has only one power switch and that switch is located on the rear panel Line Select Switch o L e In o e LI LI LI lf ll LJ lf lf lf m Lf e e LI LI lf lf lf e e LI Lf Lf Lf ll e Lf if U LI Lf e e e ia o o 9 Jo di z da 16500E58 Line Voltage Selection 2 4 Preparing for Use To degauss the display To degauss the display If the mainframe has been subjected to strong magnetic fields the CRT might become magnetized and display data might become distorted To correct this condition degauss the CRT with a conventional external television type degaussing coil To clean the logic analysis system With the instrument turned off and unplugged use mild soap and water to clean the front and cabinet of the system Harsh soap might damage the water base paint To test the logic analysi
102. the temperature and humidity range given in chapter 1 However reliability is enhanced when operating it within the following ranges e Temperature 20 C to 435 C 68 F to 95 F e Humidity 20 to 80 noncondensing Storage Store or ship the logic analysis system in environments within the following limits Temperature 40 C to 75 C e Humidity Up to 90 at 65 C e Altitude Up to 15 300 meters 50 000 feet Protect the system from temperature extremes which cause condensation on the instrument To inspect the logic analysis system Inspect the shipping container for damage If the shipping container or cushioning material is damaged keep them until you have checked the contents of the shipment and checked the instrument mechanically and electrically Hazardous voltages exist in this instrument To avoid electrical shock do not apply power to a damaged instrument 2 2 Preparing for Use To apply power Check the supplied accessories Accessories supplied with the logic analysis system are listed in Accessories in chapter 1 Inspect the product for physical damage Check the logic analysis system and the supplied accessories for obvious physical or mechanical defects If you find any defects contact your nearest Hewlett Packard Sales Office Arrangements for repair or replacement are made at Hewlett Packard s option without waiting for a claim settlement To apply power Check tha
103. tion The Microprocessor Board HIL Interface The Hewlett Packard Human Interface Link HP HIL is the interface between the microprocessor and the HP 16500B front panel In the write mode the interface controller serializes the 8 bit data and transmits the data 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 HP IB and RS 232C Interface The HP 16500B 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 controller The 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 Display RAM Color Palette and CRT Control The HP 16500B CRT display is driven by a Color Palette and CRT Control supported by 256 KBytes of video RAM
104. ure 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 16501 09 Replacing Assemblies To remove and replace the mother board To remove and replace the mother board HP 16500B Using previous procedures remove the following assemblies e Top and bottom covers e Power supply e Microprocessor board e Alloptional modules and filler panels Set the frame so that the bottom of the frame is facing up This is to gain access to the fan power cable and the front panel cable 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 Using previous procedures remove the following assemblies e Top and bottom covers e Power supply e Expansion interface board e Alloptional modules and filler panels Set the frame so that the bottom of the frame is facing up This is to gain access to the
105. ustments to their original positions if it becomes necessary to restart the procedure 3 During any of the following CRT adjustments the CRT module must face west 4 Use the following chart to guide you with the CRT adjustment procedure The following CRT adjustments are broken down into adjustment groups The adjustment group sequence must be followed in order because of interaction and dependency The adjustment group sequence is shown in the adjustment flow diagram below There will be cases where not all of the adjustments groups will be used For example if the Geometry Adjustment Group corrects the problem this will be the only group used IF CRT ADJUSTMENTS ARE REQUIRED Colo r CRT Mod ule PERFORM GEOMETERY Adju ADJUSTMENT stme nt Flow Diag ram PERFORM LANDING ADJUSTMENT CRT DISPLAY OK CONVERGENCE PERFORM ADJUSTMENTS BALANCE PERFORM WHITE ADJUSTMENTS Ca 85411003 Calibrating and Adjusting To access the test patterns To access the test patterns Some procedures on the following pages ask you to access test patterns This procedure tells you how to access them and how to exit the test In the System Configuration menu touch Configuration then select Test in the pop up menu Touch the field near the center of the screen to load the Test System In the Test System Configuration menu touch Test System then select Mainframe
106. ve cables use formatted disks and set the write protect tab on the disks to the unprotected position Intermodule 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 in a mainframe you can suspect a faulty microprocessor board For Intermodule Test failures in a mainframe connected to an expansion frame you can suspect a faulty mainframe interface module 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 chapter 2 Preparing for Use for degaussing instructions If the Color Display Test still fails you can suspect a faulty microprocessor board or a faulty color display monitor Option Board Test The Option Board Test is used during troubleshooting to check the data and control signals through the HP 16501A expansion frame components This test also verifies the functionality of the HP 16500L LAN interface module Refer to the
107. ved such as fire and electrical shock Equipment Required Equipment Critical Specification Recommended Model Part Digitizing Oscilloscope gt 100 MHz Bandwidth HP 54600A Turn off the instrument then remove the power cable Remove the instrument cover and the flexible disk drive Reconnect the disk drive cable to the rear of the disk drive Turn the disk drive over so that the solder connections of the cable socket are accessible Connect the power cable then turn on the instrument In the Mainframe Test menu select the Flexible Disk Test Insert a disk that has enough available bytes to run the test in the disk drive then select Run Repetitive Refer to To run the self tests in this chapter if you need help accessing the test menu 5 25 Troubleshooting To test the flexible disk drive voltages 5 Check for the following voltages and signals using an oscilloscope Disk Drive Voltages Pin Signal Description NC Disk Change NC High Density NC NC 5V Index 5V Drive Select 5V NC oOo o N oaoa A Co n2 E hl N O Signal Description Ground NC Ground Motor On Ground Direction Ground Step Ground Write Data Ground Pin Signal Description Write Gate Ground Track 00 Ground Write Protect Ground Read Data Ground Side Select Ground Ready 6 Select Stop and turn off the logic analyzer Remove the power cable 7 Disconnect the disk drive cable
108. whether the flexible disk drive is ready to read from or write to a flexible disk The microprocessor can also inform the flexible disk drive to format a flexible disk with a high density format Module Interface and Correlator The Module Interface provides microprocessor access to the acquisition and stimulus option modules that are plugged into the mainframe The Correlator provides the means for time aligning module trace data on the mainframe display The Power Up Routine When power is applied to the HP 16500B Logic Analysis System mainframe a series of tasks called the power up routine is performed to initialize and to verify operation of the mainframe The mainframe monitor reports the progress and status of the power up routine Each of the tasks of the power up routine is added to the monitor display as the task is being performed The following figure shows all of the tasks and possible status reporting fields that can be displayed on the monitor c COPYRIGHT 1992 HEWLETT PACKARD COMPANY HP 16500B V01 00 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 Correlator Test passed Hard Disk Test passed Floppy Disk Test LOADING SYSTEM FILE SYSTEM DISK NOT FOUND ATAL ERRORS ENCOUNTERED BOOT HALTED LOADING MODULE FILES LOADING SOFTWARE OPTIONS INITIALIZING AND CALIBRA
109. wise 6 Preset front panel contrast control the bottom of the two controls to the left of the display to the mechanical center Check the four dots which are located around the center intersection of the cross hatch pattern for coincidence of the blue red and green dots If the dots are 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 N A e 1 V STAT Center dot 54720M09 Due to interaction the BEAM LANDING will need to be readjusted if either the H STAT or V STAT adjustments are made Once the BEAM LANDING is re adjusted repeat step 7 above if necessary to obtain the center screen coincidence of the dots 4 9 Calibrating and Adjusting To adjust focus landing and convergence Dynamic Convergence 1 Display the white cross hatch test pattern on the CRT From the Color Display Test menu select the white cross hatch test pattern 2 Adjust Y BOW RV805 located on the bottom PC board to eliminate red green and blue bowing at the top and bottom of the center vertical line jT te ce EE R Q B G G R O B e i MN eee M5411005 3 Adjust Y CROSS RV804 located on the bottom PC board to eliminate red green and blue orthogonal misalignment at the top and bottom of the center vertical line R O OB M54 11086 Calibrating a

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