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Strany 1 - Service Guide

Service GuidePublication Number 54913-97022March 2013© Agilent Technologies, Inc. 2007-2013Infiniium 90000 A-Series Oscilloscopes

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Chapter 1: General InformationAccessories supplied10Accessories suppliedThe following accessories are supplied.•Mouse•Stylus•Keyboard• Accessory Pouch

Strany 3 - In This Service Guide

Chapter 5: Replacing AssembliesTo remove and replace the front panel bezel and front panel circuit assembly100Figure 5-16Figure 5-17This figure shows

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Chapter 5: Replacing AssembliesTo remove and replace the on/off board101Figure 5-18This figure shows the other left hand side tab for the control pane

Strany 5 - Contents

Chapter 5: Replacing AssembliesTo remove and replace the on/off board102Figure 5-204To replace the on/off board, reverse the above procedure.

Strany 6 - 7 Theory of Operation

Chapter 5: Replacing AssembliesTo remove and replace the backlight inverter board103To remove and replace the backlight inverter boardUse this procedu

Strany 7 - General Information

Chapter 5: Replacing AssembliesTo remove and replace the touch screen, the front deck, and the controller assembly104To remove and replace the touch s

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Chapter 5: Replacing AssembliesTo remove and replace the touch screen, the front deck, and the controller assembly1056To remove the front deck off the

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Chapter 5: Replacing AssembliesTo remove and replace the touch screen, the front deck, and the controller assembly106Figure 5-269You can now remove th

Strany 10 - Accessories supplied

Chapter 5: Replacing AssembliesTo remove and replace the motherboard107To remove and replace the motherboard1Disconnect the power cable and remove the

Strany 11 - Measurement Category

Chapter 5: Replacing AssembliesTo remove and replace the acquisition boards/backplane assembly108To remove and replace the acquisition boards/backplan

Strany 12 - Oscilloscope Dimensions

Chapter 5: Replacing AssembliesTo remove and replace the acquisition boards/backplane assembly109Figure 5-326Remove the Torx T20 screws from the top o

Strany 13 - Calibration

Chapter 1: General InformationEnvironmental Conditions11Environmental Conditions Overvoltage CategoryThis product is intended to be powered by MAINS t

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Chapter 5: Replacing AssembliesTo remove and replace the acquisition boards/backplane assembly110Figure 5-349Remove the two Torx T20 screws from the u

Strany 15 - To run the self calibration

Chapter 5: Replacing AssembliesTo remove and replace the acquisition boards/backplane assembly111Figure 5-36

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Chapter 5: Replacing AssembliesTo remove the backplane assembly from the acquisition assemblies112To remove the backplane assembly from the acquisitio

Strany 17 - Testing Performance

Chapter 5: Replacing AssembliesTo set the calibration factors after replacing the acquisition board113To set the calibration factors after replacing t

Strany 18 - Test Equipment

Chapter 5: Replacing AssembliesTo set the calibration factors after replacing the acquisition board114c Pull down the Utilities menu and select Calibr

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Chapter 5: Replacing AssembliesTo remove and replace the hard disk drive and the hard drive control board115To remove and replace the hard disk drive

Strany 20 - • Analog Bandwidth Test

Chapter 5: Replacing AssembliesTo remove and replace the hard disk drive and the hard drive control board116Figure 5-416To replace the hard disk drive

Strany 21 - Offset Accuracy Test

Chapter 5: Replacing AssembliesCable removal (for replacing the motherboard)117Cable removal (for replacing the motherboard)This section shows the var

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Chapter 5: Replacing AssembliesCable removal (for replacing the motherboard)118Figure 5-43Figure 5-44Figure 5-45 SATA cable between motherboard and ha

Strany 23 - Record the

Chapter 5: Replacing AssembliesCable removal (for replacing the motherboard)119Figure 5-46Figure 5-47Figure 5-48Display cable bet ween motherboard and

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Chapter 1: General InformationOscilloscope Dimensions12Oscilloscope DimensionsThe following pictures show the dimensions of the frame.0DUNHUV'62

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Chapter 5: Replacing AssembliesCable removal (for replacing the motherboard)120Figure 5-49Figure 5-50Power harness between backpl ane and mot herboard

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Chapter 5: Replacing AssembliesCable removal (for replacing the motherboard)121Figure 5-51 Motherboard and cables in performance-enhanced 90000 A-Seri

Strany 27 - Channel 1

Chapter 5: Replacing AssembliesTo remove and replace the power supply122To remove and replace the power supplyUse this procedure to remove and replace

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Chapter 5: Replacing AssembliesTo remove and replace the fans123To remove and replace the fansWARNING AVOID INJURY!The fan blades are exposed both ins

Strany 29 - DC Gain Accuracy Test

Chapter 5: Replacing AssembliesTo remove and replace the power cord124To remove and replace the power cordUse this procedure to remove and replace the

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Chapter 5: Replacing AssembliesTo remove and replace the USB or GPIB port125To remove and replace the USB or GPIB portUse this procedure to remove and

Strany 31 - ) to +15 mV as follows:

Chapter 5: Replacing AssembliesTo remove and replace the USB or GPIB port126

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6Ordering Replaceable Parts 128Listed Parts 128Unlisted Parts 128Direct Mail Order System 128Exchange Assemblies 128Exploded Views 129Repl

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128Replaceable Parts This chapter describes how to order replaceable assemblies and parts for the Agilent 90000 A-Series oscilloscopes. Service sup

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Chapter 6: Replaceable PartsExploded Views129Exploded ViewsFront Frame and Front Panel

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2To run the self calibration 15Calibration

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Chapter 6: Replaceable PartsExploded Views130Fan and Acquisition Assembly

Strany 37 - Click here and enter 16E-9

Chapter 6: Replaceable PartsExploded Views131Power Supply and PC Motherboard

Strany 38 - RMS using the expression:

Chapter 6: Replaceable PartsExploded Views132Sleeve and Accessory Pouch

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Chapter 6: Replaceable PartsReplaceable Parts List133Replaceable Parts ListThe following table is a list of replaceable parts. Information given for e

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Chapter 6: Replaceable PartsReplaceable Parts List134A20 54913-68718 1 Replacement HDD for M890/Win7-based DSO90000 series scopesA20 54932-83501 1 Rem

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Chapter 6: Replaceable PartsReplaceable Parts List135MP18 54913-00103 1 RHDD DeckMP19 54913-94306 1 Label - Rear Panel without RHDDMP20 54913-62301 1

Strany 42 - Time Scale Accuracy (TSA)

Chapter 6: Replaceable PartsReplaceable Parts List136

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7Block-Level Theory 139Power Supply Assembly 141Monitor Assembly 141Acquisition System 141Front Panel 142Motherboard 144On/Off Board 144

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Chapter 7: Theory of Operation138Figure 7-1 Oscilloscope Block Diagram

Strany 45 - Agilent Technologies

139Theory of OperationThis Service Guide supports troubleshooting the Agilent Technologies oscilloscopes to assembly level. Theory of operation is inc

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14CalibrationThis chapter provides self calibration procedures for the oscilloscope.

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Chapter 7: Theory of OperationBlock-Level Theory140Figure 7-2Acquisition BoardsBackplane Board

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Chapter 7: Theory of OperationBlock-Level Theory141Power Supply AssemblyThe AC input to the power supply is 100–240 VAC ±10%. Maximum input power is 8

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Chapter 7: Theory of OperationBlock-Level Theory142Figure 7-3Backplane assembly block diagramFront PanelThe front panel board combines functions from

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Chapter 7: Theory of OperationBlock-Level Theory143Figure 7-4Keyboard block diagramDisk DriveThe hard disk drive is a high-capacity, shock-resistant u

Strany 51 - Troubleshooting

Chapter 7: Theory of OperationBlock-Level Theory144MotherboardThe motherboard provides all system control and interface functions for the oscilloscope

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Chapter 7: Theory of OperationBlock-Level Theory145Figure 7-5Main FPGA connections block diagram MainFPGAHedwigMemoryControllerHedwigMemoryControllerA

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146Figure 7-6 Acquisition board block diagram

Strany 54 - Primary Trouble Isolation

Safety NoticesThis apparatus has been designed and tested in accor-dance with IEC Publication EN 61010-1:2001, Safety Require-ments for Measuring Appa

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Notices© Agilent Technologies, Inc. 2007-2013No part of this manual may be reproduced in any form or by any means (including electronic storage and re

Strany 56 - Self Calibration

Chapter 2: CalibrationTo run the self calibration15To run the self calibrationThe self calibration uses signals generated in the oscilloscope to calib

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Chapter 2: CalibrationTo run the self calibration16Figure 2-1 Calibration Dialog Box4Click Start, then follow the instructions on the screen. The ro

Strany 58 - Figure 4-4

3Performance Test Interval 18Performing Self-Test and Calibration 19Vertical Performance Verification 20Offset Accuracy Test 21DC Gain Accurac

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18This section documents performance test procedures. Performance verification for the products covered by this manual consists of three main steps:•

Strany 60 - Under-Voltage Fault

Chapter 3: Testing PerformancePerforming Self-Test and Calibration19Performing Self-Test and Calibration1Perform self testsa Pull down the Utilities m

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2Agilent Infiniium 90000 A-Series Oscilloscopes at a GlanceEase of use with high performanceThe Agilent Infiniium 90000 A-Series oscilloscopes combine

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20 Vertical Performance VerificationThis section contains the following vertical performance verification:• Offset Accuracy Test• DC Gain Accuracy Tes

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Chapter 3: Testing PerformanceOffset Accuracy Test21Offset Accuracy TestCAUTION Ensure that the input voltage to the oscilloscope never exceeds ±5 V.S

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Chapter 3: Testing PerformanceOffset Accuracy Test22b When the Acquisition Setup window is displayed, enable averaging and set the # of averages to 25

Strany 65 - Over-Temperature Fault

Chapter 3: Testing PerformanceOffset Accuracy Test23c When the Enter Measurement Info window is displayed, ensure that the V avg function is set up as

Strany 66 - Trigger ICs fan

Chapter 3: Testing PerformanceOffset Accuracy Test246Repeat step 5 for the remaining vertical sensitivities for channel 1 in the Zero Error Test secti

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Chapter 3: Testing PerformanceOffset Accuracy Test25Offset Gain Test12Make the connections to scope channel 1 as shown below.Connections 13Set up the

Strany 68 - Over-Voltage Fault

Chapter 3: Testing PerformanceOffset Accuracy Test26b Pull down the Setup menu and select Acquisition. When the Acquisition Setup window is displayed,

Strany 69 - LEDs are located

Chapter 3: Testing PerformanceOffset Accuracy Test2715Set the channel 1 offset value to 400.0 mV. This can be done using the front panel control or:a

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Chapter 3: Testing PerformanceOffset Accuracy Test2818Change the channel 1 offset value to -400.0 mV.19Set the Aux Out voltage to -400.0 mV.20Press th

Strany 71 - Display Trouble Isolation

Chapter 3: Testing PerformanceDC Gain Accuracy Test29DC Gain Accuracy TestCAUTION Ensure that the input voltage to the oscilloscope never exceeds ±5 V

Strany 72

3In This Service GuideThis guide provides the service documentation for the Agilent Technologies 90000 A-Series oscilloscopes. It is divided into seve

Strany 73 - Input Pin # 7 65432 1

Chapter 3: Testing PerformanceDC Gain Accuracy Test30Procedure1Make the connections to scope channel 1 as shown below.Connections 2Press Default Setup

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Chapter 3: Testing PerformanceDC Gain Accuracy Test31b When the Acquisition Setup window is displayed, enable averaging and set the # of averages to 2

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Chapter 3: Testing PerformanceDC Gain Accuracy Test32c Select the Vavg measurement as shown below. d When the Enter Measurement Info window is display

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Chapter 3: Testing PerformanceDC Gain Accuracy Test336Change the Aux Out voltage to -15 mV.7Press the Clear Display key on the scope, wait for the #Av

Strany 77 - Front Panel Trouble Isolation

Chapter 3: Testing PerformanceDC Gain Accuracy Test3415Calculate the offset gain using the following expression and record this value in the DC Gain T

Strany 78 - Motherboard Verification

Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check35Analog Bandwidth - Maximum Frequency CheckCAUTION Ensure that the input volt

Strany 79 - To setup the BIOS

Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check36ConnectionsProcedure1Preset the power meter.2Ensure that the power sensor is

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Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check37c Set the horizontal scale to 16 ns/div (to display 8 cycles of a 50 MHz wav

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Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check38f When the RMS voltage measurement setup window is displayed, configure this

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Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check399Press the Clear Display key on the scope and record the scope V rms reading

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Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check4011Change the generator frequency to the maximum value for the model being te

Strany 85 - To check the LEDs

Chapter 3: Testing PerformanceAnalog Bandwidth - Maximum Frequency Check4116Change the scope set up as follows:a Change the channel vertical sensitivi

Strany 86 - Software Revisions

Chapter 3: Testing PerformanceTime Scale Accuracy (TSA)42Time Scale Accuracy (TSA)This procedure verifies the maximum TSA specification for the oscill

Strany 87 - To check probe power outputs

Chapter 3: Testing PerformanceTime Scale Accuracy (TSA)43ConnectionsConnect the equipment as shown in the following figure.Procedure1Configure the sin

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Chapter 3: Testing PerformanceTime Scale Accuracy (TSA)44measurement result should exceed the specified accuracy by at least 0.1 ppm in order to guara

Strany 89 - Replacing Assemblies

45Performance Test RecordOffset Performance TestZero Error TestAgilent TechnologiesAgilent 90000 Series OscilloscopesModel Number ____________________

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Chapter 3: Testing PerformancePerformance Test Record46Offset Gain TestVertical SensitivityVAux OutSettingVDMM+VDMM-VDMM0VScope+VScope-VScope0Calculat

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Chapter 3: Testing PerformancePerformance Test Record47DC Gain TestVertical SensitivityVAux OutSettingVDMM+VDMM-VScope+VScope-Calculated DC Gain Error

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Chapter 3: Testing PerformancePerformance Test Record48Analog Bandwidth - Maximum Frequency CheckMax frequency: DSO/DSA90254A = 2.5 GHz, DSO/DSA90404

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Chapter 3: Testing PerformancePerformance Test Record49Test Limits ResultsTime Scale AccuracyLimitLimit is based on years since oscilloscope’s last ca

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Contents51 General InformationInstruments covered by this service guide 8Performance-Enhanced Versus Standard Models 9Accessories supplied 10Specifica

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Chapter 3: Testing PerformancePerformance Test Record50

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4Safety 52Tools Required 52ESD Precautions 52Default Setup 52To troubleshoot the oscilloscope 53Primary Trouble Isolation 54Power Supply T

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52TroubleshootingThis section provides troubleshooting information for the Agilent Technologies 90000 Series oscilloscopes. The service strategy of th

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Chapter 4: TroubleshootingTo troubleshoot the oscilloscope53To troubleshoot the oscilloscopeThe troubleshooting procedure is used to isolate problems

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Chapter 4: TroubleshootingPrimary Trouble Isolation54Primary Trouble IsolationAPerform power-up.Connect the oscilloscope power cord and press the powe

Strany 100

Chapter 4: TroubleshootingPrimary Trouble Isolation55DCheck the front panel response by running the Keyboard and LED self tests.Use this procedure to

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Chapter 4: TroubleshootingPrimary Trouble Isolation56Figure 4-3LED Test Screen3 Repeatedly press the Single button on the front panel to step through

Strany 102 - Figure 5-20

Chapter 4: TroubleshootingPower Supply Trouble Isolation57Power Supply Trouble IsolationWARNING SHOCK HAZARD!The maintenance described in this section

Strany 103

Chapter 4: TroubleshootingPower Supply Trouble Isolation58Figure 4-4

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Chapter 4: TroubleshootingPower Supply Trouble Isolation59These trouble isolation instructions help isolate the problem to the assembly level when the

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Contents6To remove and replace the front panel bezel and front panel circuit assembly 97To remove and replace the on/off board 101To remove and replac

Strany 106

Chapter 4: TroubleshootingUnder-Voltage Fault60Under-Voltage FaultIf the oscilloscope turns off without you pressing the front panel power button then

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Chapter 4: TroubleshootingUnder-Voltage Fault61(LOWER ACQ). If any of the following three indicator LEDs are illuminated (BP POL FAIL, NEG SUPPLY FAIL

Strany 108

Chapter 4: TroubleshootingUnder-Voltage Fault62oscilloscope. On the backplane assembly, measure the resistance across the FET (Q1409) between +12V and

Strany 109

Chapter 4: TroubleshootingUnder-Voltage Fault63If there is still a short circuit, then both acquisition boards need to be removed. Once the acquisitio

Strany 110 - (Figure 5-35)

Chapter 4: TroubleshootingUnder-Voltage Fault64Figure 4-10This figure shows how to measure the backplane assembly resistance between +12V and ground a

Strany 111 - Figure 5-36

Chapter 4: TroubleshootingOver-Temperature Fault65Over-Temperature FaultIf the oscilloscope turns off without you pressing the front panel power butto

Strany 112

Chapter 4: TroubleshootingOver-Temperature Fault66Once you can see the case fans, apply AC power to the instrument and turn it on if it does not start

Strany 113 - Performance calibration

Chapter 4: TroubleshootingOver-Temperature Fault67Apply AC power and turn the instrument on if it does not start up on its own. Observe whether the tr

Strany 114

Chapter 4: TroubleshootingOver-Voltage Fault68Over-Voltage FaultIf the oscilloscope turns off without you pressing the front panel power button, the f

Strany 115

Chapter 4: TroubleshootingOver-Voltage Fault69Figure 4-15Fan opening to look through to see the second and third groups of over-voltage indicator LEDs

Strany 116 - Figure 5-41

1Instruments covered by this service guide 8Accessories supplied 10Specifications and Characteristics 10Environmental Conditions 11Measurement

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Chapter 4: TroubleshootingOver-Voltage Fault70Figure 4-16The acquisition assembly nearest the bottom of the instrument is the channels 1 and 2 acquisi

Strany 118 - SATA cables

Chapter 4: TroubleshootingDisplay Trouble Isolation71Display Trouble Isolation

Strany 119 - Power harness

Chapter 4: TroubleshootingDisplay Trouble Isolation72No Display TroubleIsolationRemove cabinet andinstall fan guardCheck fanconnections andpower-onFan

Strany 120

Chapter 4: TroubleshootingTo check the backlight inverter voltages73To check the backlight inverter voltagesThe backlight inverter board MP13 is locat

Strany 121

Chapter 4: TroubleshootingTo check the display board video signals74To check the display board video signalsThe video signals are checked on the 32-pi

Strany 122 - 12V power

Chapter 4: TroubleshootingFront Panel Display Trouble Isolation75Front Panel Display Trouble IsolationConnect external monitor to VGA port. Turn unit

Strany 123

Chapter 4: TroubleshootingFront Panel Display Trouble Isolation76WARNING SHOCK HAZARD!The backlight inverter assembly, which is mounted at the front c

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Chapter 4: TroubleshootingFront Panel Trouble Isolation77Front Panel Trouble IsolationFront Panel Trouble IsolationFollow the keyboardtroubleshooting

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Chapter 4: TroubleshootingMotherboard Verification78Motherboard VerificationIf you have been through the Power Supply Trouble Isolation section of thi

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Chapter 4: TroubleshootingTo setup the BIOS79To setup the BIOSIf the BIOS settings become corrupt, the Infiniium oscilloscope PC motherboard will not

Strany 127 - Replaceable Parts

8Instruments covered by this service guideOscilloscopes manufactured after the date this manual was released may be different from those described in

Strany 128

Chapter 4: TroubleshootingAcquisition/Backplane Assembly Trouble Isolation - Scope Self Tests80Acquisition/Backplane Assembly Trouble Isolation - Scop

Strany 129 - Exploded Views

Chapter 4: TroubleshootingAcquisition/Backplane Assembly Trouble Isolation - Scope Self Tests81Timebase Test Group• Timebase Interpolator Test - This

Strany 130 - Chapter 6: Replaceable Parts

Chapter 4: TroubleshootingAcquisition/Backplane Assembly Trouble Isolation - Scope Self Tests82Misc. Scope Test Group• Temp Sensor Test - This test ve

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Chapter 4: TroubleshootingAutoProbe Board Trouble Isolation83AutoProbe Board Trouble IsolationAutoProbe Board Trouble IsolationInspect the cable betwe

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Chapter 4: TroubleshootingTo check the keyboard; Trouble Isolation Procedure84To check the keyboard; Trouble Isolation ProcedureUse this procedure onl

Strany 133 - Replaceable Parts List

Chapter 4: TroubleshootingTo check the LEDs85To check the LEDsIf you see a failure with the on/off switch backlight LED, replace the ON/OFF board. If

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Chapter 4: TroubleshootingSoftware Revisions86Software Revisions• Select About Infiniium... from the Help Menu.A dialog box appears showing the curren

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Chapter 4: TroubleshootingTo check probe power outputs87To check probe power outputsProbe power outputs are on the front panel, surrounding each BNC i

Strany 136

Chapter 4: TroubleshootingTo check probe power outputs88

Strany 137 - Theory of Operation

5ESD Precautions 90Tools Required 90To return the oscilloscope to Agilent Technologies for service 91To remove and replace the cover, top plate,

Strany 138 - Figure 7-1

Chapter 1: General InformationPerformance-Enhanced Versus Standard Models9Performance-Enhanced Versus Standard ModelsIn the fall of 2009, Agilent star

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90Replacing AssembliesUse the procedures in this chapter when removing and replacing assemblies and parts in the Agilent Technologies oscilloscopes.In

Strany 140 - Backplane Board

Chapter 5: Replacing AssembliesTo return the oscilloscope to Agilent Technologies for service91WARNING SHOCK HAZARD!When the bulk 12V power supply is

Strany 141

Chapter 5: Replacing AssembliesTo remove and replace the cover, top plate, and bottom plate92To remove and replace the cover, top plate, and bottom pl

Strany 142

Chapter 5: Replacing AssembliesTo remove and replace the cover, top plate, and bottom plate93Figure 5-3Figure 5-48Carefully slide the cover towards th

Strany 143

Chapter 5: Replacing AssembliesTo remove and replace the cover, top plate, and bottom plate94T10 screws from its edges as shown in Figure 5-6. Then pu

Strany 144

Chapter 5: Replacing AssembliesTo remove and replace the cover, top plate, and bottom plate95Figure 5-8Figure 5-9Figure 5-1011To replace the cover, to

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Chapter 5: Replacing AssembliesTo remove and replace the cover, top plate, and bottom plate96marked by lines on four sides of the hole as shown in Fig

Strany 146 - Figure 7-6

Chapter 5: Replacing AssembliesTo remove and replace the front panel bezel and front panel circuit assembly97To remove and replace the front panel bez

Strany 147

Chapter 5: Replacing AssembliesTo remove and replace the front panel bezel and front panel circuit assembly98Figure 5-13Figure 5-145Remove two Torx T1

Strany 148

Chapter 5: Replacing AssembliesTo remove and replace the front panel bezel and front panel circuit assembly99Figure 5-156Disengage the tabs located al

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