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HP 1GSa/s Digitizing Oscilloscope 16532A manual Self-Tests, Self-Test Access Procedure

Models: 1GSa/s Digitizing Oscilloscope 16532A

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HP 16532A - Service

6-7. Self-Tests

The self-tests for the HP 16532A oscilloscope module will identify the improper operation of major func- tional areas in the module. They are not intended for component level diagnostics.

If there are multiple oscilloscope modules, the user must select the specific oscilloscope module to be tested at the main test system menu. Multiple HP 16532A modules that are connected as one unit are rec- ognized as a single unit in the test menu. The external trigger cables connected to the ECL IN and ECL OUT do not need to be removed in order to do the self-test for each board. All other cable connections must be removed.

All self-tests can be run without access to the interior of the instrument. If a self-test fails, refer to section 6-8, "Troubleshooting."

Self-Test Access Procedure:

1.Disconnect all oscilloscope inputs and turn on the power switch.

2.From the startup screen, shown in figure 6-2, touch the Configuration field. Then, touch Test in the pop-up menu.

Figure 6-2. Startup Screen

6-4

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HP 1GSa/s Digitizing Oscilloscope 16532A manual Self-Tests, Self-Test Access Procedure

Contents

HP 16532A Safety Considerations Safety SymbolsContents Calibration ServiceSection Replaceable Parts List of Tables Page Table of Contents Page Introduction Safety RequirementsModule Covered by This Manual Specifications Accessories SuppliedAccessories Available Operating CharacteristicsWaveform Record Length 8000 points HP 16532A SpecificationsRise Time2 1.4 ns Vertical dc Gain Accuracy4 ± 1.5% of full scaleVertical at BNC HP 16532A Operating CharacteristicsTimebase Trigger Level Range TriggeringDigitizer Trigger ModesWaveform Display Display ModesMeasurement Aids Setup Aids Operating EnvironmentEquipment Critical Specifications Recommended Model USE Page Table of Contents Page Module Installation Power RequirementsInitial Inspection Safety Requirements Preparation for UseInstallation Considerations ProcedureEndplate Overlap Bottom Sequence Storage Tagging for ServiceOperating Environment PackagingTable of Contents Page Test Record Performance Test ProceduresPerformance Test Interval DC CAL Output Test AC CAL Output Test Equipment Required Critical Specification Model/Part Number SpecificationInput Resistance Page Voltage Measurement Accuracy Voltage Measurement Accuracy Test Div Offset Supply Upper Limit Lower Limit Procedure Zero-Input Offset Offset AccuracyDC Input Offset Div Offset Supply Min MaxBandwidth V1MHz Time Measurement Accuracy Menu Selection Setting Trigger Sensitivity RUN Repetitive Performance Test Record Paragraph No Test Results Yes No Page Table of Contents Page Calibration Interval Calibration Protection SwitchMaintaining System Integrity Instrument Warmup CalibrationSetting the PROTECT/UNPROTECT Switch to Unprotect Location of the PROTECT/UNPROTECT SwitchLoading the Default Calibration Factors Equipment Required for CalibrationSelf Cal Menu Calibrations Calibrate Delay of the Self Cal menu as followsCalibrate Vert Cal of the Self Cal menu as follows Calibrate the Time Null of the Self Cal menu as follows Calibrate the Logic Trigger of the Self Cal menu as followsCalibrate the Ext Trig Null of the Self Cal menu as follows Ext Trig Null Calibration ConnectionsSetting the PROTECT/UNPROTECT Switch to Protect Sealing the MainframeTable of Contents Page Ordering Information Replaceable Parts ListAbbreviations Exchange AssembliesDirect Mail Order System Reference Designator and Abbreviations Parts Identification Description Reference DesignatorHP Part Qty Number Mfr Code Mfr Part NumberPage Table of Contents Page Main Assembly Theory of Operation Introduction Safety RequirementsModule Block Diagram and The- ory of Operation Attenuator Theory of OperationHP 16532A Oscilloscope Block Diagram Page Self-Test Access Procedure Self-TestsLoad Test System Screen Functional Tests Screen Touch the Functional Tests fieldA/D Test Run Screen Exit Test System Screen Timebase Test Self-Test DescriptionsData Memory Test TestTroubleshooting Troubleshooting AidsVerifying the System Clock Page Troubleshooting Sheet Troubleshooting E E T1 6 5 3 2 a Troubleshooting E E T Troubleshooting E E T Troubleshooting E E T Troubleshooting E E T Oscilloscope Module Removal and Replacement Oscilloscope Module Removal ProcedureOscilloscope Module Replacement Procedure 12. Endplate Overlap Bottom SequenceTrigger Cable Removal and Replacement Trigger Cable Removal ProcedureTrigger Cable Replacement Procedure Attenuator Removal and ReplacementAttenuator Removal Procedure Attenuator Replacement Procedure Certification WarrantyAssistance