User ManualTable of ContentsThe Agilent 1680/90-Series Logic Analyzer-At a Glance2Features2Service Strategy3In This Book4General Information9Accessories10Accessories Available10Specifications11Characteristics11Probes12Auxiliary Power12Operating Environment (for indoor use only)12Dimensions13Recommended Test Equipment14Preparing for Use15Power Requirements16Operating Environment16Storage16To inspect the logic analyzer16To apply power17To connect the 1690A,AD-series logic analyzer to a host PC17To start the user interface18To clean the logic analyzer18To test the logic analyzer18Testing Performance19The Logic Analyzer Interface20Test Strategy20Test Interval20Performance Test Record20Test Equipment20To make the test connectors21To set up the test equipment and the logic analyzer23Set up the test equipment23Set up the 1680A,AD-series logic analyzer24Set up the 1690A,AD-series logic analyzer25To perform the logic analyzer self-tests25To test the threshold accuracy28Set up the equipment28Connect and configure the logic analyzer29Test the ECL Threshold30Test the 0 V User Threshold31Test the next pod32To set up the logic analyzer for the state mode tests33To test the single-clock, single-edge, state acquisition37Set up the equipment37Connect and configure the logic analyzer37Verify the test signal40Check the setup/hold combination41Test the next channels (1680/81A,AD and 1690/91A,AD)47To test the multiple-clock state acquisition48Set up the equipment48Connect and configure the logic analyzer49Verify the test signal51Check the setup/hold with single clock edges, multiple clocks52Test the next channels (1680/81A, AD and 1690/91A, AD)56To test the single-clock, multiple-edge, state acquisition57Set up the equipment57Connect and configure the logic analyzer58Verify the test signal60Check the setup/hold with single clock, multiple clock edges61Test the next channels (1680/81A,AD and 1690/91A,AD)65To test the time interval accuracy66Set up the equipment66Connect and configure the logic analyzer67Acquire and verify the test data69Performance Test Record71Calibrating and Adjusting75Logic analyzer calibration76Troubleshooting77To install the fan guard78To use the flowcharts79Troubleshooting the Agilent 1680A,AD-series80To check the power-up tests87To test the power supply voltages87To test the LCD display signals89To test disk drive voltages90To verify the CD-ROM92To recover the operating system93To reinstall the operating system93Problems running the Application Software93Problems with the Operating System94Troubleshooting the Agilent 1690A,AD-series95To verify connectivity99Task Manager99Device Manager100To test the power supply voltages100General Troubleshooting103To run the self-tests103Acquisition board status LEDs106Green LEDs106Red LED106Normal Operation106To test the logic analyzer probe cables107To check the BNC Trigger input/output signals110To test the auxiliary power112Replacing Assemblies1131680A,AD-series disassembly/assembly114Prepare the instrument for disassembly114To remove the chassis from the sleeve114To remove the acquisition board115To remove the power supply117To remove the hard disk drive118To remove the CD-ROM drive assembly119Remove the CD-ROM from the assembly119To remove the flexible disk drive120To remove the PCI boards122To remove the motherboard123Transfer the I/O panel to the replacement board124To remove the front panel assembly126To disassemble the front panel assembly128Remove the front panel circuit board.128Remove the LCD display.128Remove the on/off switch.128To remove the distribution board129To remove the inverter board130To remove the fans131To remove the cable tray1321690A,AD-series disassembly/assembly133Prepare the instrument for disassembly133To remove the chassis from the sleeve133To remove the fascia134Steps to remove the on/off switch from the fascia assembly135To remove the acquisition board136Steps to remove the probe shroud from the acquisition board.136To remove the deck137To remove the power supply137To remove the distribution board138To remove the fans139To remove the line filter140To remove the front panel and front frame141Replaceable Parts143Replaceable Parts Ordering144Parts listed144Parts not listed144Direct mail order system144Exchange Assemblies145Replaceable Parts List145Exploded View146Agilent 1680A,AD-Series Replaceable Parts147Exploded View153Agilent 1690A,AD-Series Replaceable Parts154Power Cables and Plug Configurations157Theory of Operation159Block-Level Theory160Agilent 1680A,AD-series Logic Analyzer Theory161PC Motherboard161PC Software System161Disk Drives161Flat Panel Display161Networking161Other I/O161Power Supply162Acquisition Board162Probing162Comparators163Acquisition163Acquisition RAM163Test and Clock Synchronization Circuit164Clock and Data Threshold164Motherboard Interface164Memory Address Counters (MACs)164+5 VDC supply164Power Distribution Board165Front Panel Board165Agilent 1690A,AD-series Logic Analyzer Theory166Acquisition Board166Power Supply166Power Distribution Board166Self-Tests Descriptions167Power-up Self-Tests (1680A,AD-series)167Connectivity Tests (1690A,AD-series)167Acquisition Board Self Tests168Register Test168Memory Test168Comparator Test168Trigger Bus Test168Trigger Arm Test169Clock Paths Test169Memory Modes Test169Calibration Test169Logic Analyzer Self-Tests169Register Test169Memory Test170Comparator Test170Trigger Bus Test170Trigger Arm Test170Clock Paths Test170Memory Modes Test171Calibration Test171Size: 11.1 MBPages: 174Language: EnglishOpen manual