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Agilent Technologies 35670-90066 Self-TestTroubleshooting Guide continued, Failing Self Test

Models: 35670-90066

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Page 211

	Agilent 35670A			Troubleshooting the Analyzer
				To perform self tests
	Self-Test Troubleshooting Guide (continued)
Failing Self Test	Probable Faulty Assembly		Adjustment	Troubleshooting Test


Input A-Wt Filter	A1/A2 Input
one channel or channel 1 and
3 or channel 2 and 4

Input A-Wt Filter	A6	Digital
all channels

Input AAF/Bypass	A1/A2 Input		Filter flatness, page 5-17
one channel or
channel 1 and 3 or
channel 2 and 4

Input AAF/Bypass	A6	Digital
all channels

Input ICP Source †	A1/A2 Input
one channel or
channel 1 and 3 or
channel 2 and 4

Tachometer ‡	A6	Digital		Tachometer, page 4-24
	A10 Rear Panel

Source Filter	A5	Analog

Source DC	A5 Analog

Quick Confidence	A1/A2 Input		Input dc offset, page 5-10	Performance test, page 4-42
	A5	Analog	ADC gain, offset, and
	A6	Digital	reference, page 5-7
			Filter flatness, page 5-17

All self tests pass			Next Step

† This test fails if a device is connected to the front panel input connectors.

‡ This test fails if the Source output is not connected to the Tachometer input.

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Page 211

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Agilent Technologies 35670-90066 Self-TestTroubleshooting Guide continued, Failing Self Test, Probable Faulty Assembly

Contents

Agilent Part Number Printed in Malaysia Agilent 35670A Service GuidePrint Date: March The Agilent 35670A at a Glance Front Panel Agilent 35670A Front Panel The Agilent 35670A at a Glance Rear Panel Plot/Print menus Agilent 35670A Rear PanelPlot/Print menu ENVIRONMENTAL CONDITIONS BEFORE APPLYING POWERSaftey Summary GENERALDO NOT OPERATE IN AN EXPLOSIVE ATMOSPHERE FUSESDO NOT REMOVE THE INSTRUMENT COVER Both direct and alternating current Safety SymbolsWarning, risk of electric shock Alternating currentAgilent 35670A AccessoriesSupplied Accessories Available AccessoriesIn This Book 1Specifications Table of Contents2Preparing the Analyzer for Use 3Verifying SpecificationsTo set up the tach function test To set up the anti-aliasfilter testTo set up the input coupling test To set up the harmonic distortion test4Troubleshooting the Analyzer 6Replacing Assemblies 5Adjusting the AnalyzerInstrument Covers and Handles 7Replaceable PartsAssembly Covers and Brackets Front Panel Parts Ordering Information Assemblies CablesOverall Instrument Description A1 Input A2 Input 8Circuit DescriptionsA98 Power Supply A99 Motherboard A100 Disk Drive Option UK4 Microphone Adapter and Power Supply10Internal Test Descriptions 9Voltages and Signals11Backdating 12Quick Reference Index Specifications Abbreviations SpecificationsAgilent 35670A FrequencyFrequency Specifications Single Channel AmplitudeSingle Channel Amplitude FFT Dynamic Range Input Noise Single Channel PhaseWindow Parameters Agilent 35670A Cross Channel PhaseCross Channel Amplitude SpecificationsInput Trigger Time DomainAgilent 35670A Tachometer Agilent 35670A Source OutputDigital Interfaces General Specifications Max Order⋅ Max RPM Order Tracking — Option 1D0Arbitrary Waveform Source—Option1D4 Swept Sine Measurements —Option1D2f i+1 Real Time Octave Analysis — Option 1D1n = 1, 3 or Instrument Recommended Test EquipmentCritical Specifications Recommended Test EquipmentSuggested Assembly for Series Resistor Schematic and Parts List for Notch Filter Recommended Model Critical SpecificationsAdditional Recommended Test Equipment InstrumentPreparing the Analyzer for Use AC Power Requirements DC Power RequirementsPreparing the Analyzer for Use AC Power Cable and Grounding Requirements DC Power Cable and Grounding RequirementsPreparing the Analyzer for Use Preparing the Analyzer for Use subject the operator to lethal voltagesTo do the incoming inspection •Set the analyzer’s power switch to on other excessive moisture To install the analyzerTo connect the analyzer to a dc power source •Turn on the dc power source To change the fuses Cable Description To connect the analyzer to a serial deviceTo connect the analyzer to a parallel device Part NumberTo connect the analyzer to an GPIB device •Set the analyzer’s power switch to on l To connect the analyzer to an external monitorEXT MON ON OFF •Set the power switch to off O To connect the optional keyboardTechnologies keyboards Agilent 35670A To connect the microphone adapterStandard 2 channel Agilent 35670A Optional 4 channel•Remove the power cord To clean the screenTo store the analyzer •Set the power switch to off OTo transport the analyzer If the analyzer will not power up Check that the cable connections are not loose Verifying Specifications Overview Verifying SpecificationsRecommended Test Equipment Features of the ProgramTest Duration Calibration CycleProgram Controlled Test Equipment Operation Verification and Performance TestsMeasurement Uncertainty Performance Tests Operation Verification TestsSpecification Specifications and Performance TestsPerformance Test •‘’To run the program in manual mode’’ To load the program•‘’To run the program in semiautomated mode’’ •‘’To run the program without a printer’’To run the program in semiautomated mode • Press the following keys to start the test •Press the following keys To run the program without a printer•Press the following keys to start the test in the selected test record To run the program in manual mode Agilent 35670A To set up the self testVerifying Specifications Performance Test and Operation VerificationVerifying Specifications To set up the dc offset test1 2 ch 1 4 ch1 2 ch To set up the noise testVerifying Specifications To set up the noise test1 2 ch To set up the spurious signals test1 4 ch 1 2 ch To set up the amplitude accuracy test1 4 ch 1 2 ch To set up the flatness test1 4 ch 1 2 ch To set up the amplitude linearity test1 4 ch 1 2 ch To set up the A-weightfilter test1 4 ch 1 2 ch To set up the channel match test1 4 ch 1 2 ch To set up the frequency accuracy testVerifying Specifications To set up the frequency accuracy test1 2 ch To set up the anti-aliasfilter test1 4 ch 1 2 ch To set up the input coupling test1 4 ch 1 2 ch To set up the harmonic distortion test1 4 ch Verifying Specifications 2 ch2A 2 ch 4 chAgilent 35670A Verifying SpecificationsTo set up the harmonic distortion test 4 ch1 2 ch To set up the intermodulation distortion test1 4 ch To set up the intermodulation distortion test 1A 2 ch1A 4 ch Verifying Specifications2 2 ch To set up the cross talk test1 2 ch 1 4 ch 3 2 ch2 4 ch To set up the cross talk testTo set up the cross talk test 3 4 ch4 4 ch Verifying SpecificationsTo set up the cross talk test 5 4 chAgilent 35670A 1 2 ch To set up the single channel phase accuracy test1 4 ch 1 2 ch To set up the external trigger test1 4 ch 1A 4 ch Verifying SpecificationsTo set up the external trigger test 1A 2 ch1 2 ch To set up the tach function test1 4 ch 1A 4 ch Verifying SpecificationsTo set up the tach function test 1A 2 ch1 4 ch To set up the input resistance testVerifying Specifications To set up the input resistance test3 4 ch Verifying SpecificationsTo set up the input resistance test 2 4 ch1 2 ch To set up the ICP supply test2 2 ch 3 2 ch 4 2 chVerifying Specifications To set up the ICP supply test4 4 ch 6 4 chTo set up the ICP supply test 3 4 chTo set up the ICP supply test 7 4 ch8 4 ch Verifying Specifications1 2 ch To set up the source amplitude accuracy test1 4 ch 1 2 ch To set up the source output resistance test2 2 ch 1 4 ch Verifying SpecificationsTo set up the source output resistance test 3 2 ch1 2 ch To set up the source dc offset test1 4 ch 1 2 ch To set up the source flatness testVerifying Specifications To set up the source flatness test1 2 ch To set up the source distortion test1 4 ch ITM_35670A Main Menu Descriptions Start Testing Menu Descriptions Test Configuration Menu Descriptions Equipment Configuration Menu Descriptions Title Page Menu Descriptions Performance Test Measurement UncertaintyUsing Recommended Test Using Other Test EquipmentAgilent 35670A Verifying SpecificationsMeasurement Uncertainty Measurement Using Other Test EquipmentEquipment MeasurementTest Instruments Used Performance Test Record - Two ChannelVerifying Specifications Self TestDC Offset NoiseTest Date:___/___/___ Spurious SignalsVerifying Specifications Agilent4 of Verifying SpecificationsPerformance Test Record - Two Channel Test Date:___/___/___5 of Verifying SpecificationsAgilent 35670A Test Date:___/___/___Verifying Specifications Spurious Signals continuedAmplitude Accuracy Flatness7 of Amplitude LinearityAgilent 35670A Test Date:___/___/___Test Date:___/___/___ A-WeightFilterChannel Match Verifying SpecificationsAgilent 35670A Frequency AccuracyAnti-AliasFilter Input Coupling10 of Harmonic DistortionVerifying Specifications Test Date:___/___/___Test Date:___/___/___ Intermodulation DistortionCross Talk Agilent 35670AVerifying Specifications Single Ch Phase AccuracyExternal Trigger Tach Function option D01 onlySource Output Resistance Input ResistanceICP Supply Source Amplitude AccuracyVerifying Specifications Source DC OffsetSource Flatness Source DistortionTest Instruments Used Performance Test Record - Four ChannelNoise Verifying SpecificationsSelf Test DC OffsetAgilent 35670A Spurious SignalsSpurious Signals continued Verifying SpecificationsPerformance Test Record - Four Channel Verifying SpecificationsFour Ch, 1600 Hz Start, Ch Agilent 35670A Verifying SpecificationsFour Ch, 14400 Hz Start, Ch Four Ch, 20800 Hz Start, Ch Spurious Signals continuedVerifying Specifications Performance Test Record - Four ChannelTest Date:___/___/___ Verifying SpecificationsAmplitude Accuracy Agilent 35670AAmplitude Accuracy continued −11 dBVrms, 51.2 kHz, One Ch, Ch Verifying SpecificationsFlatness Agilent 35670ATest Date:___/___/___ Verifying SpecificationsAmplitude Linearity Performance Test Record - Four ChannelMeasurement A-WeightFilterVerifying Specifications Agilent 35670ATwo Ch, 2/1, 7 dBV FS Mag Verifying SpecificationsChannel Match Performance Test Record - Four ChannelAgilent 35670A Verifying SpecificationsPerformance Test Record - Four Channel Input Coupling Verifying SpecificationsFrequency Accuracy Anti-AliasFilterTest Date:___/___/___ Verifying SpecificationsHarmonic Distortion Agilent 35670ATest Date:___/___/___ Verifying SpecificationsIntermodulation Distortion Performance Test Record - Four ChannelAgilent 35670A Single Ch Phase AccuracyVerifying Specifications Cross TalkInput Resistance Verifying SpecificationsExternal Trigger Tach Function option D01 onlyAgilent 35670A Verifying SpecificationsSource Amplitude Accuracy Source Output ResistanceSource Distortion Verifying SpecificationsSource DC Offset Source FlatnessTest Instruments Used Operation Verification Test Record - Two ChannelNoise Verifying SpecificationsSelf Test DC OffsetOperation Verification Test Record - Two Channel Spurious SignalsVerifying Specifications Agilent 35670AOperation Verification Test Record - Two Channel Verifying SpecificationsTest Date:___/___/___ 4 ofTest Date:___/___/___ Spurious Signals continuedVerifying Specifications Agilent 35670ATest Date:___/___/___ Verifying SpecificationsAmplitude Accuracy Operation Verification Test Record - Two ChannelAmplitude Linearity A Weight FilterVerifying Specifications FlatnessOperation Verification Test Record - Two Channel Verifying SpecificationsChannel Match Agilent 35670ATach Function option D01 only Single Ch Phase AccuracyVerifying Specifications Frequency AccuracySource Flatness Verifying SpecificationsICP Supply Source Amplitude AccuracyTest Instruments Used Operation Verification Test Record - Four ChannelNoise Verifying SpecificationsSelf Test DC Offset3 of Spurious SignalsAgilent 35670A Test Date:___/___/___Operation Verification Test Record - Four Channel Verifying SpecificationsTest Date:___/___/___ 4 of5 of Verifying SpecificationsAgilent 35670A Test Date:___/___/___6 of Spurious Signals continuedVerifying Specifications Test Date:___/___/___Test Date:___/___/___ Verifying SpecificationsAmplitude Accuracy Agilent 35670A8 of Verifying SpecificationsAmplitude Accuracy continued Test Date:___/___/___9 of FlatnessAgilent 35670A Test Date:___/___/___10 of Verifying SpecificationsAmplitude Linearity Test Date:___/___/___Test Date:___/___/___ A Weight FilterVerifying Specifications Agilent 35670ATest Date:___/___/___ Verifying SpecificationsChannel Match Agilent 35670ATest Date:___/___/___ Verifying SpecificationsFrequency Accuracy Agilent 35670AICP Supply Single Ch Phase AccuracyVerifying Specifications Tach Function option D01 onlyAgilent 35670A Source Amplitude AccuracySource Flatness Source DistortionPage Troubleshooting the Analyzer Safety Considerations Troubleshooting the AnalyzerEquipment Required Troubleshooting HintsSymptom How to troubleshoot the analyzerTroubleshooting Test To perform initial verification Probable Faulty Assembly SymptomPage Test Location Signal NameProbable Faulty Assembly 1 MΩ 10:1 probeTo perform initial verification Troubleshooting the AnalyzerAgilent 35670A A7 Component Locator, Circuit SideSignal Name Step 7. Check signals required for power upSignal Name Probable Faulty AssemblyTo troubleshoot the power supply •Set the power switch to off O •Remove the A7 CPU assembly •Disconnect the fan cable from A99 P90 Step To troubleshoot power-upfailures• Set the power switch to on l power-uptest result to the following table• Set the power switch to off O ~Time LEDs Power-onLEDsBinary HexaTo troubleshoot CPU, memory, and buses failures Hexadecimal G• Set the power switch to off OProbable Faulty Assembly Binary4-20 A7 Component Locator, Circuit Side• Set the power switch to off O To troubleshoot display failures Page Probable Faulty Assembly SymptomVertical and horizontal scanning is occurring To troubleshoot IIC bus failures • Attach a logic probe to A7 P7 pin 2 SCL • Set the power switch to on lLEDs, and the display G• Attach the logic probe to A7 P7 pin 1 SDA •Set the power switch to off O To troubleshoot fast bus failures To troubleshoot fast bus failures Troubleshooting the AnalyzerAgilent 35670A using a BNC cable To perform self tests• Set the power switch to on l following table displayed‘’To troubleshoot self-testlockup failures.’’ 4-40 ‘’To troubleshoot intermittent failures.’’Troubleshooting Test Probable Faulty Assembly AdjustmentFailing Self Test Failing Self Test Probable Faulty AssemblyAdjustment Troubleshooting TestTroubleshooting Test Self-TestTroubleshooting Guide continuedProbable Faulty Assembly AdjustmentNext Test Probable FaultyAssembly FailureG• Set the power switch to on l To troubleshoot self-testlockup failuresG• Press the following keys Page •Set the power switch to on l To troubleshoot intermittent failures•Press the following keys To troubleshoot performance test failures Troubleshooting Test Troubleshooting the AnalyzerProbable Faulty Assembly AdjustmentTo troubleshoot performance test failures Troubleshooting the AnalyzerFailing Performance Test Troubleshooting Guide Spurious signalsTo troubleshoot source and calibrator failures • Connect the voltmeter to A5 TP3 assembly isprobably faulty Step 2. Check the dc offset• Press the following keys Step 4. Check the calibrator output G• Set the power switch to off O•Set the power switch to on l Troubleshooting the AnalyzerSource Troubleshooting the AnalyzerSystem Utility Input•Press the following keys System Utility To troubleshoot input and ADC failuresProbable Faulty AssemblyTo troubleshoot input and ADC failures Troubleshooting the AnalyzerPage G• Set the power switch to on l G• Set the power switch to off O To troubleshoot distortion failures To troubleshoot disk drive failures The read/write •Press the following keys To troubleshoot auto-rangefailures•Set the power switch to on l •Press the following keys•Press the following keys To troubleshoot DIN connector failures G• Set the power switch to on l To troubleshoot trigger failures•Set the frequency synthesizer as follows The analyzer should now trigger CHANNEL 3 option AY6 onlyCHANNEL 4 option AY6 only mS SG• Set the power switch to off O •If the signal at A5 TP 204 is toggling, the A6 Digital assembly is probably faulty G• Set the power switch to off O To troubleshoot memory battery failures To troubleshoot memory battery failures Troubleshooting the AnalyzerAgilent 35670A G• Set the power switch to on l To troubleshoot tachometer failures • Press the following keys Page Adjusting the Analyzer Component Adjusting the AnalyzerAdjustment Assemblypotentially dangerous voltages Safety ConsiderationsAdjusting the Analyzer Equipment RequiredAdjustment Remote OperationGPIB Code •Set the power switch to off O To adjust the frequency reference•Set the power switch to on Equipment Required: Multimeter To adjust the sourceAdjusting the Analyzer To adjust the sourceTo adjust the ADC gain, offset and reference •Set the power switch to on •Set the power switch to off O•Set the oscilloscope as follows •Press the following keys Equipment Required: None To adjust the input dc offsetG• Set the power switch to on G• Set the power switch to on Equipment Required: BNC-to-BNCCable To adjust common mode rejection•Set the power switch to off O •Set the power switch to off O •Press the the following keys Adjusting the Analyzer To adjust filter flatnessTo adjust filter flatness G• Set the power switch to on G• Set the power switch to on •Press the following keys To adjust the display voltage To adjust the display voltage Adjusting the AnalyzerAgilent 35670A Replacing Assemblies Replacing Assemblies Agilent 35670A What to do before replacing the CPU assemblyReplacing Assemblies What to do after replacing an assembly A7 CPU Assembly ReplacedRequired Adjustment Required Performance TestTo remove cover To remove cover2 Slide the cover straight up Replacing AssembliesTo remove rear panel Replacing Assemblies To remove front panel2 Remove assembly retainer bracket 1 Remove cover see ‘’To remove cover’’Replacing Assemblies Agilent 35670ATo remove front panel 4 Slide the disk drive back and lift up To remove disk drive1 Remove cover see ‘’To remove cover’’ 2 Disconnect the disk drive cableTo remove CPU To remove NVRAM To remove NVRAM1 Remove A7 CPU assembly see ‘’To remove CPU’’ Replacing AssembliesTo remove memory To remove memoryTo remove power supply Replacing Assemblies 6 Lift the A98 Power Supply assembly straightTo remove power supply Agilent 35670AMotherboard To remove motherboard3 Remove assembly retainer bracket 4 Unplug all assemblies from the A99To remove motherboard Replacing Assemblies To remove dc-dcconverterTo remove dc-dcconverter Replaceable Parts Ordering Information Replaceable PartsNon-ListedParts Mfr Name Direct Mail Order SystemCode Numbers Mfr NoReplaceable Parts AssembliesAssemblies Number Agilent 35670AAgilent Part DescriptionReplaceable Parts CablesCables Agilent 35670A Instrument Covers and HandlesReplaceable Parts Assembly Covers and Brackets Assembly Covers and BracketsReplaceable Parts Agilent 35670A Front Panel PartsReplaceable Parts Rear Panel PartsRear Panel Parts Agilent 35670A Chassis PartsChassis Parts Screws, Washers, and Nuts Screws, Washers, and NutsMiscellaneous Parts Replaceable PartsParts Option UK4 PartsAgilent 35670A PartsAgilent 35670A Replaceable PartsOption UK4 Parts Circuit Descriptions Overall Instrument Description Circuit DescriptionsOverall Block Diagram Circuit Descriptions Two Channel Overall Block DiagramOverall Instrument Description Overall Instrument Description Four Channel Overall Block DiagramAgilent 35670A Circuit DescriptionsA1 Input A1 Input Agilent 35670ADC Offset DAC Agilent 35670A A1 Input Block Diagram: ChannelA1 Input Circuit DescriptionsA1 Input A1 Input Block Diagram: Channel 1 continuedAgilent 35670A Circuit DescriptionsA1 Input A1 Input Block Diagram: ChannelAgilent 35670A A1 Input A1 Input Block Diagram: Channel 2 continuedAgilent 35670A Circuit DescriptionsCircuit Descriptions A2 InputA2 Input A2 Input Agilent 35670ADC Offset DAC A2 Input A2 Input Block Diagram: Channel 1 or ChannelAgilent 35670A Circuit Descriptions Agilent 35670AA2 Input Agilent 35670A A2 Input Block Diagram: Channel 3 or ChannelA2 Input Circuit DescriptionsCircuit Descriptions Agilent 35670AA2 Input Channel 3 Track & Hold Channel 4 Track & Hold A5 AnalogChannel Switch 1st Pass Circuit ADC Controller Channel 1 Track & Hold Channel 2 Track & HoldA5 Analog A5 Analog Block Diagram: ADC and TriggerAgilent 35670A Circuit Descriptions±6.2 Voltage Reference A5 Analog Agilent 35670ACircuit Descriptions Local Oscillator A6 Digital• ADC timing and synchronization signals TriggerA6 Digital A6 Digital Block DiagramAgilent 35670A Circuit DescriptionsFIFO Controller Circuit DescriptionsAgilent 35670A A6 DigitalA7 CPU Agilent 35670A A7 CPU Block DiagramCircuit Descriptions A7 CPUA7 CPU Block Diagram: Interface •A1 or A2 Input •A5 Analog •SCL serial clock •SDA serial data Plot/Print A8 MemoryLocal/Gpib System UtilityA8 Memory Agilent 35670AROM Address A9 NVRAM Block Diagram A9 NVRAMnonvolatile RAM A10 Rear Panel Agilent 35670A A10 Rear Panel Block DiagramCircuit Descriptions A10 Rear PanelA11 Keyboard Controller Block Diagram A11 Keyboard ControllerCircuit Descriptions A12 BNCA12 BNC A22 BNC A13 Primary KeypadA14 Secondary Keypad A15 Primary KeypadA90 Fan A98 Power SupplyA102 DC-DCConverter A99 MotherboardA100 Disk Drive A101 DisplayOption UK4 Microphone Adapter and Power Supply Agilent 35670A Option UK4 Microphone Adapter and Power SupplyCircuit Descriptions Page Voltages and Signals Describes signals routed Voltages and SignalsSection Title Assembly Locations and Connections Assembly Locations and ConnectionsAssembly Locations Voltages and SignalsAgilent 35670A Voltages and SignalsAssembly Locations and Connections Assembly Connections for Two Channel AnalyzerAgilent 35670A Assembly Connections for Four Channel AnalyzerVoltages and Signals Assembly Locations and ConnectionsVoltages and Signals Power Supply Voltage DistributionPower Supply Voltage Distribution A2 Input A1 Input⇔This signal is bidirectional A7 J3 PinsA8 P1 Pins •This assembly uses the signalPA10 Signal NameAgilent 35670A A8 MemoryBD16 —31 A8 Memory Agilent 35670ASIZE0 — SIZE1 Pins A9 NVRAMA8 P2 BASn Signal NameGPIB A10 Rear PanelSignal Name A10 Rear Panel Serial PortSignal Name Agilent 35670ASignal Name Parallel PortExternal Trigger Input DIN KeyboardSource Output Tachometer InputSignal Name A11 Keyboard ControllerAgilent 35670A A11 Keyboard Controller assemblyA12 BNC The A12 BNC assembly is only used in two channel analyzers. The A12 BNC assembly routes the signals connected to the Channel 1 BNC connector and Channel 2 BNC connector to the A1 Input assembly. The A12 BNC assembly also routes the source signal from the A5 Analog assembly to the Source BNC connector. The signal connected to Channel 1 should be between 0.19531 Hz to 102.4 kHz in single channel mode and between 0.097656 Hz to 51.2 kHz in two channel mode. The signal connected to Channel 2 should be between 0.097656 to 51.2 kHz. For both channels, the signal’s amplitude range must be between +27 dBVrms and –51dBVrms for full scale measurements. The source output signal can be random noise, burst random noise, periodic chirp, burst chirp, pink noise, or fixed sine. The amplitude range of the source output is ±5 VpkA13 Primary Keypad Signal NameA11 Location OVLDAn HRNGBnHRNGCn HRNGDnCOL0 - COL2 A14 Secondary KeypadA22 BNC Voltages and SignalsA22 BNC Connector Pin Number Signal NameAssembly Using Signal Motherboard ConnectorA99 Motherboard Agilent 35670AAgilent 35670A Voltage Voltages and SignalsAssembly Using Voltage A99 MotherboardA10MHZ Agilent 35670AEXTRGIN Voltages and SignalsAgilent 35670A A99 MotherboardFSELAn Agilent 35670ALPFCLK Voltages and SignalsAgilent 35670A A99 MotherboardSRCCLOCK Agilent 35670AA7 P3 Voltages and SignalsA100 Disk Drive A100 Disk DriveA100 Disk Drive Agilent 35670ADISKINn A101 Display Signal NameHSYNCELn A102 PinsA102 DC-DCConverter A7 P2Page Internal Test Descriptions High-levelSubtests Power-onTest DescriptionInternal Test Descriptions Low-levelSubtestsBinary to Hexadecimal Power-onTest Messages10-3 Power-onTest Messages Power-onTest DescriptionInternal Test Descriptions 10-5 Calibration Routine DescriptionInternal Test Descriptions DC-OffsetTables and Frequency Correction CurvesCalibration Routine Description Viewing the Calibration Correction Curves Calibration Error MessagesSystem Utility Inst ModeInput Disp FormatFault Log Messages SELF TEST FUNCTIONL TESTS ALL Self-TestDescriptions10-10 Functional Tests All Self-TestGroup Agilent 35670ASelf Tests that Perform a Measurement Individual Self-TestDescriptions DISTORTN INPUT TRIGGER OFFSET SERIAL PORT GPIB Command Self-TestMenu Map and GPIB CommandsSelf Test Self Test GPIB CommandSELF TEST Page Backdating Backdating Quick Reference Quick Reference Agilent 35670A Assembly LocationsQuick Reference Quick Reference Assembly Connections for Two Channel AnalyzerAgilent 35670A Agilent 35670A Assembly Connections for Four Channel AnalyzerQuick Reference Quick Reference Two Channel Overall Block DiagramAgilent 35670A Agilent 35670A Four Channel Overall Block DiagramQuick Reference Quick Reference A1 Input Block Diagram: ChannelAgilent 35670A Agilent 35670A A1 Input Block Diagram: Channel 1 continuedQuick Reference Quick Reference A1 Input Block Diagram: ChannelAgilent 35670A Agilent 35670A A1 Input Block Diagram: Channel 2 continuedQuick Reference Quick Reference A2 Input Block Diagram: Channel 1 or ChannelAgilent 35670A Quick Reference Agilent 35670AQuick Reference A2 Input Block Diagram: Channel 2 or ChannelAgilent 35670A Quick Reference Agilent 35670AQuick Reference A5 Analog Block Diagram: ADC and TriggerAgilent 35670A Quick Reference Agilent 35670AQuick Reference A6 Digital Block DiagramAgilent 35670A Agilent 35670A A7 CPU Block DiagramQuick Reference Quick Reference A7 CPU Block Diagram: InterfaceAgilent 35670A Agilent 35670A Reset LogicQuick Reference Quick Reference A8 Memory Block DiagramAgilent 35670A Agilent 35670A A9 NVRAM Block DiagramQuick Reference Quick Reference A10 Rear Panel Block DiagramAgilent 35670A Agilent 35670A A11 Keyboard Controller Block DiagramQuick Reference Quick Reference A98 Power Supply Block DiagramAgilent 35670A troubleshooting Indexbattery battery backed memoryfront panel CPU assemblyfrequency adjustment troubleshootingcommon mode adjustment signals 8-29,initial verification troubleshooting input assemblytroubleshooting battery memory assemblysignal descriptions troubleshooting10-12 9-2310-17 3-137-12 hints using self testsvoltages power supply distribution washers, part numbersGuide to Agilent 35670A Documentation If you are thinking aboutAnd you want to Then readNeed Assistance? October 2000: Rebranded for Agilent Technologies About this editionJuly 1994: Previous edition