Service Guide Publication Number 54904-97005 October 2009 Copyright Agilent Technologies 2009 All Rights Reserved.
The Agilent Technologies Infiniium Oscilloscope at a Glance Ease of use with high performance The Agilent Technologies Infiniium oscilloscopes combine unprecedented ease-ofuse with high-performance digitizing oscilloscope functionality to simplify your design and analysis measurement tasks. • Traditional oscilloscope front-panel interface provides direct access to the controls needed for most troubleshooting tasks.
In This Book This book provides the service documentation for the Agilent Technologies 9000 Series oscilloscopes. It is divided into eight chapters. Chapter 1, "General Information," provides information about which oscilloscopes are covered by this manual, environmental requirements, and oscilloscope dimensions. Chapter 2, "Setting Up the Oscilloscope," explains how to prepare the oscilloscope for use. Chapter 3, "Calibration," explains how and when you should run the user calibration procedure.
General Information 7 Instruments covered by this service guide 9 Accessories supplied 10 Specifications and Characteristics 10 Environmental Conditions 11 Measurement Category 11 Oscilloscope Dimensions 12 Setting Up the Oscilloscope 13 To inspect package contents 15 To inspect options and accessories 16 Technical Specifications 20 To position for proper airflow 25 To connect power 27 To connect the mouse, the keyboard, a LAN cable, a USB device, and a printer 27 To connect oscilloscope probes 30 To tilt t
Chapter : To setup the BIOS 104 Acquisition Board Trouble Isolation - Scope Self Tests 105 AutoProbe Board Trouble Isolation 107 To check the keyboard; Trouble Isolation Procedure 108 To check the LEDs 109 Software Revisions 110 To check probe power outputs 111 Replacing Assemblies 113 To return the oscilloscope to Agilent Technologies for service 115 To remove and replace the handle and rear cover 116 To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board 119
1 Instruments covered by this service guide 9 Accessories supplied 10 Specifications and Characteristics 10 Environmental Conditions 11 Measurement Category 11 Oscilloscope Dimensions 12 General Information
General Information This chapter of the Agilent Technologies Infiniium Oscilloscope Service Guide gives you general information about the oscilloscope. The following topics are covered in this chapter.
Chapter 1: General Information Instruments covered by this service guide Instruments covered by this service guide Oscilloscopes manufactured after the date this manual was released may be different from those described in this manual. The release date of this manual is shown on the title page. This manual will be revised when necessary. If you have an oscilloscope that was manufactured after the release of this manual, please check the Agilent Technologies website at www.agilent.
Chapter 1: General Information Accessories supplied Accessories supplied The following accessories are supplied. • Mouse • Stylus • Keyboard • Accessory Pouch • Front-panel Cover • Localized Power Cord • N2873A 10:1 Divider Passive Probe (one per scope channel) • Channel Flying Lead Set Logic Probe, MSO Cable, and Calibration Fixture (MSO models only) • Agilent I/O Libraries Suite 15.0 Specifications and Characteristics For complete specifications and characteristics, direct your web browser to www.
Chapter 1: General Information Environmental Conditions Environmental Conditions Overvoltage Category This product is intended to be powered by MAINS that comply to Overvoltage Category II, which is typical of cord-and-plug connected equipment. Pollution Degree The 9000 Series Oscilloscope may be operated in environments of Pollution Degree 2 (or Pollution Degree 1). Pollution Degree Definitions Pollution Degree 1: No pollution or only dry, non-conductive pollution occurs. The pollution has no influence.
Chapter 1: General Information Oscilloscope Dimensions Oscilloscope Dimensions Height Width Depth Net Weight 12 12.9 in (33 cm) 16.8 in (43 cm) 9 in (23 cm) 11.
2 Setting Up the Oscilloscope
Setting Up the Oscilloscope This chapter shows you how to set up your Infiniium oscilloscope, connect power and accessories, and verify general operation.
Setting Up the Oscilloscope To inspect package contents To inspect package contents o Inspect the shipping container for damage. Keep a damaged shipping container or cushioning material until you have inspected the contents of the shipment for completeness and have checked the oscilloscope mechanically and electrically. o Inspect the oscilloscope.
Setting Up the Oscilloscope To inspect options and accessories To inspect options and accessories o Verify that you received the options and accessories you ordered and that none were damaged. If anything is missing, contact your nearest Agilent Technologies Sales Office. If the shipment was damaged, or the cushioning materials show signs of stress, contact the carrier and your Agilent Technologies Sales Office.
Setting Up the Oscilloscope To inspect options and accessories Agilent Model Number Description N2870A Series Passive Probe Family (Deluxe, Fine Pitch, and General Purpose Accessory Kits are available as well) Rackmount Kit N2902A or Option 1CM Rackmount Kit, option 1CM Software Applications and Upgrades Option A6J ANSI Z540 Compliant Calibration Option-001 RS-232/UART Triggering and Decode - installed Option-002 EZJIT jitter analysis software - installed Option-003 High-speed SDA and Clock Re
Setting Up the Oscilloscope To inspect options and accessories Agilent Model Number Description DSO9000A-820 DVD-RW with USB connection N2902A 9000A Series rackmount kit N2903 Additional removable hard disk drive Gemstar 5000 Available from www.gemstarmfg.
Setting Up the Oscilloscope To inspect options and accessories Agilent Model Number Description U7231A DDR3 up to 800 MHz Validation Application N5467A User Definable Application E2625A Communication Mask Test Kit E2682A VoiceControl Software for Infiniium Oscilloscopes DSO to MSO upgrades are available and are listed in table 0-2.
Setting Up the Oscilloscope Technical Specifications Technical Specifications Below are the technical specifications for the Infiniium 9000A Series oscilloscopes. Vertical: Analog Channels Analog Bandwidth (-3 db) 50 * 9064A: 600 MHz, 9104A: 1.0 GHz, 9254A: 2.5 GHz, 9404A: 4.
Setting Up the Oscilloscope Technical Specifications Vertical: Analog Channels Maximum input voltage* Offset range 1 150 Vrms or dc, CAT I, \250 V (dc + ac) in ac coupling 50 5 Vrms 1 M (vertical sensitivity: offset) 1 mV to < 10 mV/div: \2 V 10 mV to < 20 mV/div: \5 V 20 mV to <100 mV/div: \10 V 100 mV to 1 V/div: \20 V 1 V to 5 V/div: \100 V 50 \12 div or \4 V, whichever is smallest \(1.
Setting Up the Oscilloscope Technical Specifications Horizontal Channel-to-channel skew (digital) 2 ns typical Glitch detect >= 2.0 ns Main time base range 5 ps/div to 20 s/div Horizontal position range 0 to \200 s Delayed sweep range 1 ps/div to current main time base setting Resolution 1 ps \(0.4 + 0.5*YrsSinceCal)) ppm pk Time scale accuracy* *Denotes warranted specification, all others are typical.
Setting Up the Oscilloscope Technical Specifications Computer System Operating System CPU PC system memory Drives LXI compliance General Characteristics Temperature Humidity (non-condensing) Altitude Vibration Power Weight Dimensions (with feet retracted) Safety Windows XP Pro Intel Celeron M530 1.
Setting Up the Oscilloscope Technical Specifications General Characteristics Connections Measurement Category Sound Power Level Produced by Instrument 2-24 4 BNC analog channel inputs 1 Digital channels input 1 LAN 10/100/1000Base-Tport 1 Parallel printer port 1 Serial printer port Probe compensation connection 7 Host USB 2.0 port, 1 Device USB 2.
Setting Up the Oscilloscope To position for proper airflow To position for proper airflow 1 Position the oscilloscope where it will have sufficient clearance for airflow around the top, back, and sides (see diagram on next page). Also, only place the oscilloscope on a hard surface so as not to block the airflow underneath the oscilloscope (for example, a piece of paper or carpet could block these fans and cause the instrument to overheat).
Setting Up the Oscilloscope To position for proper airflow Figure 0-1 Minimum top clearance 0 mm Infiniium 9000A Series oscilloscope (front view) Minimum bottom clearance: No intrusion into the space under the oscilloscope as defined by the feet. Feet must rest on hard surface. Rear Panel Minimum 75 mm Minimum 25.4 Minimum 25.
Setting Up the Oscilloscope To connect power To connect power 1 Position the oscilloscope so that it is not difficult to unplug the power cord. 2 Connect the power cord to the side panel of the oscilloscope and then to a suitable ac voltage source (100 to 120 V, 50/60/400 Hz and 100 to 240 V, 50/ 60 Hz for the 9000A series). The power cord serves as the main disconnecting device. Please refer to page 1-12 for rating specifications.
Setting Up the Oscilloscope To connect the mouse, the keyboard, a LAN cable, a USB device, and a printer device, and a printer See Figure 0-2 on the next page for the location of the side panel connectors described below. Mouse The mouse can be plugged into either a USB port or into a PS2 port. There are several USB connectors on the front panel or the side panel of the oscilloscope that can be used.
Setting Up the Oscilloscope To connect the mouse, the keyboard, a LAN cable, a USB device, and a printer Figure 0-2 Mouse PS/2 port Keyboard PS/2 Port Removable Hard Drive Serial printer port XGA video output Parallel printer port USB ports LAN port USB cable AC power input Side Panel 2-29
Setting Up the Oscilloscope To connect oscilloscope probes To connect oscilloscope probes There are optional Infiniium oscilloscope probes, such as the InfiniiMax 1130A and 1168A/69A series probes, that connect to the oscilloscope differently than other oscilloscope probes. Use the following steps to connect these snap-on probes to the oscilloscope. 1 Attach the probe connector to the desired oscilloscope channel or trigger input. Push it straight on until it latches into place.
Setting Up the Oscilloscope To connect oscilloscope probes 2 Connect the probe to the circuit of interest using the browser or other probing accessories. Figure 0-4 Probing the Circuit 3 To disconnect the probe, push the small latch on top of the probe connector to the left, then pull the connector body away from the front panel of the oscilloscope without twisting it. CAUTION CAUTION Do not attempt to twist the snap-on probes on or off the oscilloscope’s BNC connector.
Setting Up the Oscilloscope To tilt the oscilloscope upward for easier viewing To tilt the oscilloscope upward for easier viewing 1 Lift up the front of the oscilloscope, grasp one of the plastic feet on either side, and pull it down and forward until it latches into place. Repeat for the other side.
Setting Up the Oscilloscope To turn on the oscilloscope To turn on the oscilloscope The first time that you turn on the oscilloscope, you will need to have a mouse connected. The mouse is needed to accept the Microsoft end-user license agreement for Windows XP Pro. 1 Depress the power switch in the lower left-hand corner of the oscilloscope front panel. Figure 0-6 power switch Turning on the Oscilloscope After a short initialization period, the oscilloscope display appears.
Setting Up the Oscilloscope To turn off the oscilloscope To turn off the oscilloscope 1 Momentarily depress the power switch at the lower left-hand corner of the oscilloscope front panel. The oscilloscope will go through a normal Windows shutdown process.
Setting Up the Oscilloscope To verify basic operation for the 9000A series oscilloscope To verify basic operation for the 9000A series oscilloscope 1 Connect one end of the calibration cable using SMA to precision BNC adaptors to channel 1. 2 Connect the other end of the calibration cable to the front panel connector with the square wave label. Figure 0-7 Front panel connector with square wave label Verifying Basic Oscilloscope Operation for 9000A Series Oscilloscopes.
Setting Up the Oscilloscope To verify basic operation for the 9000A series oscilloscope The display will pause momentarily while the oscilloscope adjusts the sweep speed and vertical scale. You should then see a square wave with peak-to-peak amplitude of approximately 5 divisions and about four cycles on screen.
Setting Up the Oscilloscope Installing application programs on Infiniium Installing application programs on Infiniium Infiniium is an open Windows system. This allows you to install your own application software. Agilent has verified that the following applications are compatible with the Infiniium oscilloscope application.
Changing Windows System Settings Before changing any Windows System settings outside of the oscilloscope application you should Exit the oscilloscope application. There are several Windows System settings that can be changed to suit your own personal preferences. However, there are some system settings that you should avoid changing because it will interfere with the proper operation of the oscilloscope. • • • • • Do not change the Power Options. Do not change the System Properties Hardware Tab settings.
Setting Up the Oscilloscope To clean the oscilloscope To clean the oscilloscope • Clean the oscilloscope with a soft cloth dampened with a mild soap and water solution. CAUTION Do not use too much liquid in cleaning the oscilloscope. Water can enter the Infiniium front panel, damaging sensitive electronic components.
2-40
Setting Up the Oscilloscope To clean the oscilloscope 2-41
Setting Up the Oscilloscope To clean the oscilloscope 2-42
3 To run the self calibration 45 Calibration
Calibration This chapter provides self calibration procedures for the oscilloscope.
Chapter 3: Calibration To run the self calibration To run the self calibration Let the Oscilloscope Warm Up Before Adjusting Warm up the oscilloscope for 30 minutes before starting calibration procedure. Failure to allow warm up may result in inaccurate calibration. The self calibration uses signals generated in the oscilloscope to calibrate channel sensitivity, offsets, and trigger parameters.
Chapter 3: Calibration To run the self calibration Figure 3-1 Clear this check box before starting calibration Click here to start calibration Calibration Dialog 4 Click Start, then follow the instructions on the screen. The routine will ask you to do the following things in sequence: a Decide if you want to perform the Time Scale Calibration. Your choices are: • Standard Calibration - Time scale calibration will not be performed.
4 Performance Test Interval 48 Performing Self-Test and Calibration 49 Vertical Performance Verification 50 Impedance Test 51 Offset Accuracy Test 52 DC Gain Accuracy Test 59 Analog Bandwidth - Maximum Frequency Check 65 Time Scale Accuracy (TSA) 72 Performance Test Record 77 Testing Performance
This section documents performance test procedures.
Chapter 4: Testing Performance Performing Self-Test and Calibration Performing Self-Test and Calibration 1 Warm up the oscilloscope for at least 30 minutes 2 Perform self tests a Pull down the Utilities menu and select Self Test. b Select Scope Self Test from the Self Test list. c Click on Start Self Test to start the self test procedure. If any of the self-tests fail, ensure that the failure is diagnosed and repaired before calibrating and testing performance. 3 Perform calibration.
Vertical Performance Verification This section contains the following vertical performance verification: • • • • • 50 Impedance Test Offset Accuracy Test DC Gain Accuracy Test Analog Bandwidth Test Time Scale Accuracy (TSA)
Chapter 4: Testing Performance To test input impedance To test input impedance This test checks the input impedance of the vertical inputs. A four-wire measurement is used to accurately measure the 50 and 1 M inputs. Specification: 1 M±1% and 50 ±2.5% Equipment Required Equipment Critical Specifications Recommended Model/Part Digital Multimeter Measure resistance (4-wire) at better than ±0.
Chapter 4: Testing Performance Offset Accuracy Test Offset Accuracy Test CAUTION Ensure that the input voltage to the oscilloscope never exceeds ±5 V. Let the oscilloscope warm up before testing The oscilloscope and other equipment under test must be warmed up (with the oscilloscope application running) for at least 30 minutes prior to the start of any performance test. Specifications Offset Accuracy ±(1.
Chapter 4: Testing Performance Offset Accuracy Test b When the Acquisition Setup window is displayed, enable averaging and set the # of averages to 256 as shown below. 3 Configure the scope to measure Average voltage on channel 1 as follows: a Change the vertical sensitivity of channel 1 to 5 mV/div. b Click the V avg measurement on the left side of the screen.
Chapter 4: Testing Performance Offset Accuracy Test c When the Enter Measurement Info window is displayed, ensure that the V avg function is set up as follows and then click OK: Source = Channel 1 Measurement Area = Entire Display 4 Press the Clear Display key on the scope and wait for the #Avgs value (top left corner of screen) to return to 256.
Chapter 4: Testing Performance Offset Accuracy Test 5 Change the vertical sensitivity of channel 1 to 10 mV/div, press the Clear Display key, wait for the #Avgs value (top left corner of screen) to return to 256 and then record the scope V avg reading in the Vzero-error column (Offset Accuracy Test tables - both the 50 W table and 1 MW table) in the Performance Test Record section at the end of this chapter.
Chapter 4: Testing Performance Offset Accuracy Test Offset Accuracy Test 13 Make the connections to scope channel 1 as shown below. Connections BNC (f) to dual banana (1251-2277) 6614C DC Supply Channel Input on 9000A Series Oscilloscope Notes: • Where it is used, it is important to connect the BNC Tee adapter directly to the scope channel input to minimize ground potential differences and to ensure that the DMM measures the input voltage to the scope channel as accurately as possible.
Chapter 4: Testing Performance Offset Accuracy Test 16 Set the channel 1 offset value to 60.0 mV and the impedance to 50 W (or to an offset of 2 V and the impedance to 1 MW if this is your second pass through this test and you are using the 1 MW input impedance version) by: a Pull down the Setup menu and select Channel 1 or click the Channel 1 setup icon. b Click the Offset control arrows to change the offset value or click on the offset value and enter 60.
Chapter 4: Testing Performance Offset Accuracy Test 19 Change the channel 1 offset value to -60.0 mV (or -2 V for the 1 MW version of this test). 20 Set the DC supply voltage to -60.0 mV (or -2 V for the 1 MW version of this test).
Chapter 4: Testing Performance DC Gain Accuracy Test DC Gain Accuracy Test CAUTION Ensure that the input voltage to the oscilloscope never exceeds ±5 V. Let the oscilloscope warm up before testing The oscilloscope under test and other test equipment must be warmed up (with the oscilloscope application running) for at least 30 minutes prior to the start of any performance test.
Chapter 4: Testing Performance DC Gain Accuracy Test Procedure 1 Make the connections to scope channel 1 as shown below. Connections BNC (f) to dual banana (1251-2277) 6614C DC Supply Channel Input on 9000A Series Oscilloscope Notes: • Where it is used, it is important to connect the BNC Tee adapter directly to the scope channel input to minimize ground potential differences and to ensure that the DMM measures the input voltage to the scope channel as accurately as possible.
Chapter 4: Testing Performance DC Gain Accuracy Test b When the Acquisition Setup window is displayed, enable averaging and set the # of averages to 256 as shown below. 3 Set the DC Supply voltage (External Supply Setting) to +15 mV as follows: 4 Set the channel 1 vertical sensitivity value to 5 mV/div and set the input impedance to 50 W. a Pull down the Setup menu and select Channel 1 or click the Channel 1 setup icon. b Change the vertical sensitivity of channel 1 to 5 mV/div.
Chapter 4: Testing Performance DC Gain Accuracy Test up as follows and then click OK: Source = Channel 1 Measurement Area = Entire Display 5 Press the Clear Display key on the scope, wait for the #Avgs value (top left corner of screen) to return to 256 and then record the scope's mean V avg reading in the Vscope+ column in the Offset Accuracy Test (50 W) section of the Performance Test Record.
Chapter 4: Testing Performance DC Gain Accuracy Test 8 9 10 11 record the DMM voltage reading (Vdmm- column) and the scope V avg reading (Vscopecolumn) in the DC Gain Test (50 W) section of the Performance Test Record. Repeat step 7 for the remaining vertical sensitivities for channel 1 shown in the DC Gain Test (50 W) section of the Performance Test Record. Press Default Setup, then turn off channel 1 and turn channel 2 display on. Set the DC Supply voltage (External Supply Setting) to +15 mV.
Chapter 4: Testing Performance DC Gain Accuracy Test 16 Calculate the offset gains for the 50 W test and the 1 MW test using the following expression and record this value in the DC Gain Test section of the Performance Test Record. For the 50 W input impedance version of this test at the 5 mV/div sensitivity, use the following equation: V out V scope+ – V scopeDCGainError = -------------- = ----------------------------------------- – 1 0.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check Analog Bandwidth - Maximum Frequency Check CAUTION Ensure that the input voltage to the oscilloscope never exceeds ±5 V. Let the oscilloscope warm up before testing The oscilloscope under test and other test equipment must be warmed up (with the oscilloscope application running) for at least 30 minutes prior to the start of any performance test. Specification Analog Bandwidth (-3 dB) DSO/MSO9404A 4 GHz DSO/MSO9254A 2.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check Connections Microwave CW Generator E8257D Power meter E4418B or E4419B 9000A oscilloscope channel input Power splitter 11667B Power sensor cable SMA to BNC adapter Microwave cable Power sensor E4413A N-type to 3.5 mm SMA adapter (part not shown) Notes • Connect output 1 of the 11667B splitter to the scope Channel n input directly using the 1250-1200 adapter, without any additional cabling or adapters.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check d Set the horizontal scale to 16 ns/div (to display 8 cycles of a 50 MHz waveform).
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check g When the RMS voltage measurement setup window is displayed, configure this measurement as follows: Source = Channel 1 Measurement Area = Entire Display RMS Type = AC 7 Set the generator to apply a 50 MHz sine wave with a peak-to-peak amplitude of about 4 divisions. • Use the following table to determine the approximate required signal amplitude. The amplitude values in the table below are not absolutely required.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check 9 Press the Clear Display key on the scope and record the scope V rms reading in the Analog Bandwidth - Maximum Frequency Check section of the Performance Test Record (Vout @ 50 MHz). For all scope readings in this procedure, use the mean value in the Measurements display area at the bottom of the screen.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check 11 Change the generator frequency to the maximum value for the model being tested as shown in the table below. It is not necessary to adjust the signal amplitude at this point in the procedure. Setting Model DSO/MSO9404 A DSO/MSO9254 A DSO/MSO9104A DSO/MSO9064A Maximum Frequency 4 GHz 2.
Chapter 4: Testing Performance Analog Bandwidth - Maximum Frequency Check 16 Change the scope set up as follows: a Change the channel vertical sensitivity to 10 mV/div. b Reset the horizontal scale to 16 ns/div (to display 8 cycles of a 50 MHz waveform). 17 Change the generator output as follows: a Reset the generator frequency to 50 MHz. b Change the amplitude to the value suggested for this sensitivity in Table 3-1.
Chapter 4: Testing Performance Time Scale Accuracy (TSA) Time Scale Accuracy (TSA) This procedure verifies the maximum TSA specification for the oscilloscope. Description TSA refers to the absolute accuracy of oscilloscope’s time scale. Because TSA depends directly on frequency of a crystal oscillator, it is comprised of two components: an initial accuracy component and an aging component.
Chapter 4: Testing Performance Time Scale Accuracy (TSA) Connections Connect the equipment as shown in the following figure. E8257D Sine Wave Source 9000A Oscilloscope channel input Procedure 1 Configure the sine wave source to output a 0 dBm (600 mVpp) sine wave into 50 ohms with 2 3 4 5 6 7 8 9 10 11 12 13 14 a frequency of 10.00002000 MHz. Adjust source amplitude such that displayed sine wave is 600 mVpp. Press the Default Setup key on the oscilloscope. Set channel 1's vertical scale to 100 mV/div.
Chapter 4: Testing Performance Time Scale Accuracy (TSA) 15 Compare the measured time scale error to the TSA specification. Note that the measurement result should exceed the specified accuracy by at least 0.1 ppm in order to guarantee compliance to the specification. 16 Record the results in the Performance Test Record.
Performance Test Record Agilent Technologies Agilent 9000 Series Oscilloscopes Model Number _____________________ Tested by___________________ Serial Number ___________________________ Work Order No.___________________ Recommended Test Interval - 1 Year/2000 hours Date___________________ Recommended next test date ___________________ Ambient temperature ___________________ Impedance Test Input Resistance Vertical Sensitivity Channel 1 Channel 2 Channel 3 Channel 4 Limits 50 0.
Chapter 4: Testing Performance Performance Test Record Offset Accuracy Test (50 W) Vertical Sensitivity Channel 1 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div Channel 2 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div Channel 3 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div Channel 4 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.
Chapter 4: Testing Performance Performance Test Record Offset Accuracy Test (1 MW) Vertical Sensitivity Channel 1 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div 2 V/div 5 V/div Channel 2 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div 2 V/div 5 V/div Channel 3 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.5 V/div 1 V/div 2 V/div 5 V/div Channel 4 0.005 V/div 0.01V/div 0.02 V/div 0.05 V/div 0.1 V/div 0.2 V/div 0.
Chapter 4: Testing Performance Performance Test Record DC Gain Test (50 W) Vertical Sensitivity Channel 1 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div Channel 2 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div Channel 3 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div Channel 4 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div External Supply Setting VDMM+ VDM M- VScope+ VScop
Chapter 4: Testing Performance Performance Test Record DC Gain Test (1 MW) Vertical Sensitivity Channel 1 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div 5 V/div Channel 2 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div 5 V/div Channel 3 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div 5 V/div Channel 4 5 mV/div 10 mV/div 20 mV/div 50 mV/div 100 mV/div 200 mV/div 500 mV/div 1 V/div 2 V/div
Chapter 4: Testing Performance Performance Test Record Analog Bandwidth - Maximum Frequency Check Max frequency: DSO/MSO9404A = 4 GHz, DSO/MSO9254A = 2.
Chapter 4: Testing Performance Performance Test Record Test Limits Results Time Scale Accuracy Limit Limit is based on years since oscilloscope’s last calibration Calculated TSA Spec Measured time scale error Pass/Fail TSA = ±(0.4 + 0.
Chapter 4: Testing Performance Performance Test Record 82
5 Safety 84 Tools Required 84 ESD Precautions 84 Keystroke Conventions 84 Default Setup 85 To troubleshoot the oscilloscope 86 Primary Trouble Isolation 87 Power Supply Trouble Isolation 91 Display Trouble Isolation 96 To check the backlight inverter voltages 98 To check the display board video signals 99 Front Panel Display Trouble Isolation 100 Front Panel Trouble Isolation 102 Motherboard Verification 103 To setup the BIOS 104 Acquisition Board Trouble Isolation - Scope Self Tests 105 AutoProbe Board Tr
Troubleshooting This section provides troubleshooting information for the Agilent Technologies 9000 Series oscilloscopes. The service strategy of this oscilloscope is replacement of defective assemblies. Safety Read the Safety Notices at the back of this manual before servicing the oscilloscope. Before performing any procedure, review it for cautions and warnings.
Chapter 5: Troubleshooting Default Setup A Default Setup is provided to return the oscilloscope to a known state. The default setup can be used to undo previous setups so that they do not interfere with the current measurement. Use the default setup when a procedure requires it. • Press the Default Setup key on the front panel to set the oscilloscope to the default state.
Chapter 5: Troubleshooting To troubleshoot the oscilloscope To troubleshoot the oscilloscope The troubleshooting procedure is used to isolate problems to a faulty assembly. When you find the faulty assembly, use the disassembly and assembly procedures in "Replacing Assemblies," beginning on page 113 to replace the assembly. The primary procedural tool in this section is the Primary Trouble Isolation section. This section refers to sections in this chapter where the procedures are described in detail.
Chapter 5: Troubleshooting Primary Trouble Isolation Primary Trouble Isolation A Perform power-up. Connect the oscilloscope power cord and press the power button in the lower left corner of the front panel. If the oscilloscope is working properly, it will boot-up, and the graticule will be displayed on the screen. The exact appearance may vary depending on the setup selected before the oscilloscope was turned off.
Chapter 5: Troubleshooting Primary Trouble Isolation B If the oscilloscope shuts down without pressing the front panel power button, unplug the AC power cord from the rear of the instrument and wait twenty to thirty seconds. Then plug the AC power cord back into the oscilloscope and press the front panel power button (or you can perform a hard shut down by holding the power button down for 5-6 second so the power turns off and then pressing the power button again to restart the oscilloscope).
Chapter 5: Troubleshooting Primary Trouble Isolation Figure 5-3 When you push a key or turn a knob in both directions, the corresponding symbol on this screen turns green. Knob and Key Self Test Screen 3 Push each key on the keyboard until you have pushed all keys. 4 When you push a key/knob, the bar above the corresponding key/knob symbol on the display should change from red to green. 5 Turn each knob in both directions until you have turned all knobs.
Chapter 5: Troubleshooting Primary Trouble Isolation Figure 5-4 LED Test Screen 3 Repeatedly push the Single button on the front panel to step through and highlight each LED symbol in the test screen. You can also step through the LEDs by clicking on the << Prev or Next >> buttons on the display screen. Verify that the corresponding LEDs on the front panel are the only ones illuminated.
Chapter 5: Troubleshooting Power Supply Trouble Isolation Power Supply Trouble Isolation WARNING SHOCK HAZARD! Only trained service personnel who are aware of the hazards involved should perform the maintenance Read the safety summary at the back of this book before proceeding. Failure to observe safety precautions may result in electric shock For information on how to replace assemblies, see "Replacing Assemblies," beginning on page 113.
Chapter 5: Troubleshooting How to Use the Power Fault LEDs How to Use the Power Fault LEDs The previous page showed where you should look through the rear fan slots to see the upper right hand corner of the acquisition board. There are a series of 13 LEDs. They are separated into three sections of four LEDs each and then the Over Temperature LED is by itself at the bottom (as shown in Figure 5-5).
Chapter 5: Troubleshooting How to Use the Power Fault LEDs in each group indicating the type of failure and the lower two LEDs indicating the source of the failure. If a shutdown occurs, the table below shows how to decode the upper two LEDs (LEDs 1 and 2) in each group. Remember these are the LEDs that specify the type of failure that occured. The fault types are described below the table.
Chapter 5: Troubleshooting How to Use the Power Fault LEDs Sequencer 3 Input Supply 1 -12V Bulk 2 -6 V 3 -5.2 V 4 -3.8 V When a fault occurs on a given sequencer, it notifies the other two using the Fault signal. The other two sequencers report this as an External Fault as well. For example, if the first sequencer has an over-voltage on Channel 1, it will report an External Fault with Channel 1 as the source.
Chapter 5: Troubleshooting How to Use the Power Fault LEDs Please read the paragraph directly below as it discusses that a fault on one sequencer causes LEDs corresponding to other sequencers to illuminate. This is important to understand before proceeding so you know which LED is actually the root of the problem. When a fault occurs on a given sequencer, it notifies the other two using the Fault signal. The other two sequencers report this as an External Fault as well.
Chapter 5: Troubleshooting Display Trouble Isolation Display Trouble Isolation 96
Chapter 5: Troubleshooting Display Trouble Isolation 97
Chapter 5: Troubleshooting To check the backlight inverter voltages To check the backlight inverter voltages The backlight inverter board is accessed by opening the front chassis as described in the “Replacing Assemblies” chapter. Below is a picture showing what the inverter board looks like (this picture is of the back of the front chassis - the display is on the other side of this piece). This is the backlight inverter board • There is an input connector at one side of the board.
Chapter 5: Troubleshooting To check the display board video signals To check the display board video signals The video signals are checked on the 32-pin connector on the display board. You can use an oscilloscope with a bandwidth of at least 100 MHz to verify the signals. Even-numbered pins are closest to the PC board. If the signals are not present, suspect the display card. If the signals are present and the backlights are on, suspect the flat-panel display as the problem.
Chapter 5: Troubleshooting Front Panel Display Trouble Isolation Front Panel Display Trouble Isolation Front Panel Display Trouble Isolation Connect external monitor to VGA port. Turn unit on. Does display appear on ext. monitor ? No Replace motherboard. Yes Check display cable connection to display card No and LCD Is front Panel black? Yes Does front panel display work? Check inverter board control cable. No Check voltage on pin 1 of J3 on display card. Should be 12V.
Chapter 5: Troubleshooting Front Panel Display Trouble Isolation WARNING SHOCK HAZARD! The backlight inverter assembly, which is mounted at the front corner of the oscilloscope near the flatpanel display, operates at 1.65 kV at turn on. DO NOT handle this assembly while it is in operation. An LED on the inverter board illuminates to indicate the presence of high voltage. WARNING INJURY CAN RESULT! Once the cover is removed, the fan blades are exposed both inside and outside the chassis.
Chapter 5: Troubleshooting Front Panel Trouble Isolation Front Panel Trouble Isolation Front Panel Trouble Isolation Follow the keyboard troubleshooting guide for just the power button. Go to 'Primary Trouble Isolation'.
Chapter 5: Troubleshooting Motherboard Verification Motherboard Verification If you have been through the Power Supply Trouble Isolation section of this chapter and the oscilloscope still does not stay powered up, the problem may be with the motherboard.
Chapter 5: Troubleshooting To setup the BIOS To setup the BIOS If the BIOS settings become corrupt, the Infiniium oscilloscope PC motherboard will not recognize the hard drive and the unit may not boot. The motherboard BIOS setup procedure is presented in the following steps. Configure the Motherboard BIOS parameters. Use this procedure to set the motherboard BIOS. 1 Connect the power cable to the Infiniium oscilloscope. 2 Connect the external keyboard to the rear panel.
Chapter 5: Troubleshooting Acquisition Board Trouble Isolation - Scope Self Tests Acquisition Board Trouble Isolation - Scope Self Tests If the Acquisition board has been removed by a prior procedure, reinstall it. Power up the oscilloscope and then go under Utilities > Self Test. Select the Scope Self Test option from the Self Test pulldown menu and then press the Start Test button. If one of these tests fails and mentions what channel the failure occured on, replace the acquisition board.
Chapter 5: Troubleshooting Acquisition Board Trouble Isolation - Scope Self Tests Acquisition Memory Test Group • MBIST - This test checks the embedded memory in each memory controller ASIC for errors. If the errors can be corrected using the redundancy present in the IC, the software will perform the necessary correction. • Register Test - This test verifies that all of the memory controller ASIC registers can be correctly written to and read from.
Chapter 5: Troubleshooting AutoProbe Board Trouble Isolation AutoProbe Board Trouble Isolation AutoProbe Board Trouble Isolation Inspect the cable between the AutoProbe assembly and the power board. Cable OK? No Replace bad cable. Yes Turn unit on. Does unit turn ON? No Replace AutoProbe assembly. Yes Go to 'Primary Trouble Isolation.
Chapter 5: Troubleshooting To check the keyboard; Trouble Isolation Procedure To check the keyboard; Trouble Isolation Procedure Use this procedure only if you encounter key failures in the keyboard self test procedure. If any knobs fail, replace the keyboard assembly. 1 Disconnect the power cord and remove the cover. 2 Remove the front panel assembly. See chapter 6 for instructions. 3 Remove the keyboard assembly from the front panel assembly.
Chapter 5: Troubleshooting To check the LEDs To check the LEDs If any of the LEDs are not working on the front panel, the first step is to trouble shoot the acquisition assembly to make sure it is working. If it is working then replace the keyboard assembly and see if the LEDs will illuminate. If the LEDs will not illuminate, the last step is to reload the oscilloscope software.
Chapter 5: Troubleshooting Software Revisions Software Revisions • Select About Infiniium... from the Help Menu. A dialog box appears showing the current version number for the scope software and on-line information system software. This information may be useful when contacting Agilent Technologies for further service information. See Figure 5-8. Figure 5-8 About Infiniium...
Chapter 5: Troubleshooting To check probe power outputs To check probe power outputs Probe power outputs are on the front panel, surrounding each BNC input. Use the table and figure to the right to check the power output at the connectors. The +12 V and –12 V supplies come from ripple regulator on the power board, and the +3 V and –3 V supplies are developed in three-terminal regulators on the probe power and control assembly.
Chapter 5: Troubleshooting To check probe power outputs 112
6 ESD Precautions 114 Tools Required 114 To return the oscilloscope to Agilent Technologies for service 115 To remove and replace the handle and rear cover 116 To remove and replace the backlight inverter board 128 To remove and replace the touch screen controller board 130 To remove and replace the acquisition board assembly 135 To set the calibration factors after replacing the acquisition board 140 To remove and replace the power supply 142 To remove and replace the hard disk drive 144 Replacing Assemb
Replacing Assemblies Use the procedures in this chapter when removing and replacing assemblies and parts in the Agilent Technologies Infiniium 9000 Series oscilloscopes. In general, the procedures that follow are placed in the order to be used to remove a particular assembly. The procedures listed first are for assemblies that must be removed first. However, the one caveat to this is that the front panel assemblies can be replaced without having to open the rear of the instrument and vice versa.
Chapter 6: Replacing Assemblies To return the oscilloscope to Agilent Technologies for service To return the oscilloscope to Agilent Technologies for service Before shipping the oscilloscope to Agilent Technologies, contact your nearest Agilent Technologies oscilloscope Support Center (or Agilent Technologies Service Center if outside the United States) for additional details. 1 Write the following information on a tag and attach it to the oscilloscope.
Chapter 6: Replacing Assemblies To remove and replace the handle and rear cover To remove and replace the handle and rear cover Use this procedure to remove and replace the handle and rear cover. When necessary, refer to other removal procedures. The pictures in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different. 1 2 3 4 5 Disconnect the power cable. Disconnect all oscilloscope probes and BNC input cables from the front panel.
Chapter 6: Replacing Assemblies To remove and replace the handle and rear cover Figure 6-3 Remove these two screws Figure 6-4 8 Put the oscilloscope on its face (be sure the front cover is on so the display does not get damaged) and then lift up on the rear cover to remove it from the chassis as shown in Figure 6-5. Figure 6-5 9 To replace the rear cover and handle, reverse the above procedure.
Chapter 6: Replacing Assemblies To remove and replace the handle and rear cover CAUTION PROPERLY TIGHTEN HANDLE AND SCREWS! Tighten the handle screws to 21 in-lbs and the four rear cover screws to 18 in-lbs.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board 1 Disconnect the power cable and remove the handle and rear cover as described above in the section on removing the handle and rear cover. 2 Position the oscilloscope upright and disengage the series of tabs around the outside of the front bezzle as shown in Figure 6-6.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board Figure 6-8 5 Remove the T10 screw from the bottom of the front panel keyboard near the front panel USB ports as shown in Figure 6-9. When you are putting this screw back in during reassembly, tighten to 5 in-lbs. Figure 6-9 6 Disengage the three tabs located on the outside edge of the plastic piece covering the front panel keyboard as shown in Figure 6-10.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board Figure 6-10 Disengage three tabs 7 There are two tabs on the edge closest to the touchscreen that need to be disengaged.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board 8 Once the two inner tabs and three outer tabs have been disengaged, pull the plastic cover / front panel keyboard up from the bottom, tilting it towards the top because there is a cable connected to the top of the front panel keyboard (see Figure 6-12).
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board 10 The next step is to remove the front panel keyboard from the plastic covering. There are a series of six tabs around the outside edge holding the plastic covering to the keyboard. Disengage all of these and then separate the two pieces as shown in Figure 6-14 and Figure 6-15.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board Figure 6-16 Push breakaway board straight out away from the touchscreen and then lift up This is the edge that breaks away from the front panel keyboard (they come attached together) Touchscreen These are two of the latches you are disengaging when you pull the board straight away from the touchscreen 13 There is a cable you will need to disconnect from the back of the br
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board board. You will need some room to work with and if you fully tighten the screws on the Autoprobe board, you will have none. Once the front panel keyboard is attached, tighten the Autoprobe screws to 5 in-lbs.
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board Figure 6-20 The touchscreen is mounted on the other side of this sheet metal Main oscilloscope body Remove these two display cables (white connectors) from the inverter board because they are connected to the touchscreen display Disconnect this cable (the one with the blue connector) because it is connected to the touchscreen Figure 6-21 Also disconnect this display cable
Chapter 6: Replacing Assemblies To remove and replace the front panel bezzle, front panel keyboard, touchscreen, and Autoprobe board 17 Remove the four T10 screws that attach the touchscreen to the sheet metal (there are two on each side of the touchscreen - right and left). See Figure 6-22. When reattaching these screws, tighten to 5 in-lbs.
Chapter 6: Replacing Assemblies To remove and replace the backlight inverter board To remove and replace the backlight inverter board Use this procedure to remove and replace the backlight inverter board. When necessary, refer to other removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different.
Chapter 6: Replacing Assemblies To remove and replace the backlight inverter board Figure 6-25 Front chassis after you lift it up Main oscilloscope chassis (lying on its rear panel) Inverter board 5 Disconnect the cables from the backlight inverter board and remove the two T10 screws (shown in Figure 6-26). You may need to temporarily remove the touch screen cable (with the blue connector) in order to remove and replace the inverter board.
Chapter 6: Replacing Assemblies To remove and replace the touch screen controller board To remove and replace the touch screen controller board Use this procedure to disassemble and reassemble the touch screen controller board. When necessary, refer to other removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different. 1 Disconnect the power cable and remove the handle and rear cover.
Chapter 6: Replacing Assemblies To remove and replace the touch screen controller board Figure 6-28 Front chassis after you lift it up Main oscilloscope chassis (lying on its rear panel) Touch screen controller board 5 Disconnect the cables from the touch screen controller board and remove the two T10 screws (shown in Figure 6-29).
Chapter 6: Replacing Assemblies To remove and replace the motherboard To remove and replace the motherboard 1 Disconnect the power cable and remove the handle and rear cover as shown in a previous section. 2 Remove the rear sheet metal by removing one T15 screw on top and two in the back. See Figure 6-30, Figure 6-31, and Figure 6-32.
Chapter 6: Replacing Assemblies To remove and replace the motherboard Figure 6-31 Remove these two screws from the back Figure 6-32 3 Disconnect all the cables from the motherboard.
Chapter 6: Replacing Assemblies To remove and replace the motherboard Figure 6-33. 5 Pull the motherboard towards the front panel and then lift out. 6 To reassemble the motherboard, reverse the above procedure.
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly To remove and replace the acquisition board assembly Use this procedure to remove and replace the acquisition board assembly. When necessary, refer to other removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different. 1 Disconnect the power cable and remove the rear oscilloscope cover as described in previous sections.
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly Figure 6-34 First remove these three screws Figure 6-35 Then remove this screw 136
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly Figure 6-36 This is the lower right hand side of the oscilloscope (as viewed from the rear of the oscilloscope).
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly Figure 6-38 These are the SATA cables that need removed before you remove the air diverters This is the upper part that you lift up on (the motherboard is located on the other side of this piece of sheet metal) This is the air diverter that is above the acquisition board 4 Disconnect the SATA cables (see Figure 6-38) and then remove the air diverted that covers the acquisition board (see Figure 6-38).
Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly holding the acquisition board to the sheet metal, and then lift the acquisition board out. 7 To reassemble the acquisition assembly, reverse these instructions.
Chapter 6: Replacing Assemblies To set the calibration factors after replacing the acquisition board To set the calibration factors after replacing the acquisition board The following procedure must be performed after replacing the acquisition board. This procedure only needs to be performed once after the acquisition board is replaced.
Chapter 6: Replacing Assemblies To set the calibration factors after replacing the acquisition board adapter. The other end of the BNC cable will end up being connected to various ports during the calibration. The calibration instructions on the oscilloscope will instruct you in this regard. c Pull down the Utilities menu and select Calibration. d Uncheck to Cal Memory Protect box to allow calibration. e Click on Start to start the calibration procedure.
Chapter 6: Replacing Assemblies To remove and replace the power supply To remove and replace the power supply Use this procedure to remove and replace the power supply. When necessary, refer to other removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different. WARNING SHOCK HAZARD! If the power supply is defective it could have a dangerous charge on some capacitors.
Chapter 6: Replacing Assemblies To remove and replace the power supply Figure 6-41 Brown Blue Green Disconnect the 8 pin connector from here as well Unscrew all of these connections 6 Remove the power supply from the bracket.
Chapter 6: Replacing Assemblies To remove and replace the hard disk drive To remove and replace the hard disk drive Use this procedure to remove and replace the hard disk drive. When necessary, refer to other removal procedures. The graphics in this chapter are representative of the oscilloscope at the time of this printing. Your unit may look different. 1 Disconnect the power cable and remove the rear cover.
7 Ordering Replaceable Parts 146 Listed Parts 146 Unlisted Parts 146 Direct Mail Order System 146 Exchange Assemblies 146 Exploded Views 147 Exploded Views 147 Replaceable Parts List 151 Replaceable Parts
Replaceable Parts This chapter of the Agilent Technologies Infiniium Oscilloscope Service Guide includes information for ordering parts. Service support for this oscilloscope is replacement of parts to the assembly level. The replaceable parts include assemblies and chassis parts. Ordering Replaceable Parts Listed Parts To order a part in the parts list, quote the Agilent Technologies part number, indicate the quantity desired, and address the order to the nearest Agilent Technologies Sales Office.
Chapter 7: Replaceable Parts Exploded Views Exploded Views Front Frame and Front Panel MP18 MP9 MP10 MP27 MP1 MP26 A11 MP11 MP6 MP4 MP2 MP8 MP3 MP7 MP5 147
Chapter 7: Replaceable Parts Exploded Views Rear Compartment Assembly A5 A7 see Power Supply/Motherboard exploded view A20 A4 (see acquisition board exploded view) A16 A8 MP21 A9 A15 MP22 A17 A21 148
Chapter 7: Replaceable Parts Exploded Views Power Supply and Motherboard MP13 A24 A25 MP14 MP17 A22 A23 W5 A2 149
Chapter 7: Replaceable Parts Exploded Views Acquisition Board A13 A12 A11 A4 A14 150
Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts List The following table is a list of replaceable parts. The information given for each part consists of the following: • Reference designation (to match to exploded view drawings). • Agilent Technologies part number. • Total quantity (QTY) in oscilloscope or on assembly. The total quantity is given once and at the first appearance of the part number in the list. • Description of the part. Replaceable Parts Ref. Des.
Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts Ref. Des.
Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts Ref. Des.
Chapter 7: Replaceable Parts Replaceable Parts List 154
8 Block-Level Theory 156 Power Supply Assembly 157 Monitor Assembly 157 Acquisition System 157 Front Panel 157 Motherboard 159 Theory of Operation
Chapter 8: Theory of Operation Block-Level Theory Theory of Operation This Service Guide supports troubleshooting the Agilent Technologies oscilloscopes to assembly level. Theory of operation is included only as supplemental information. It is not comprehensive enough for component-level troubleshooting. Block-Level Theory The front panel provides: • Dedicated knobs and pushbuttons for major oscilloscope functions.
Power Supply Assembly The AC input to the power supply is 100–240 VAC ±10%. Maximum input power is 375 W. The AC input frequency is 50 to 60 Hz. Filtered voltages of +5 V, +3.3 V, +2.5 V, +2.25 V, +1.8 V, +1.6 V, +1.2 V, -12 V, -6 V, -5 V, and -3.8 V are supplied and distributed throughout the oscilloscope. Monitor Assembly The Flat Panel Display (FPD) monitor is a thin film liquid-crystal touch screen display (TFT-LCD). This FPD is an 15 inch diagonal, 1024 by 768 pixel XGA color monitor.
Chapter 8: Theory of Operation Block-Level Theory Figure 8-1 Keyboard block diagram with key components USB HUB ISP1521 Autoprobe Interface Probe ID 3.3V (d igital) +Vp -Vp 5V(analog ) Rprog data 5 V(digital) clock 16bit DAC DAC8534 . 4 Autoprobe I2C Interface 3 .0V Vo ltage divider 5.0V Regul at or LT 123 6 4 -12 +Vp/-Vp regulator . . 4 I2 C Mux PCA9544 5 .0V Regul at or LM1 117 AD C 4 3. 3V(analog) 8 . .
Chapter 8: Theory of Operation Block-Level Theory Motherboard The motherboard provides all system control and interface functions for the oscilloscope. It contains a CPU, ROM, and RAM; keyboard and mouse interfaces, serial and parallel interfaces, CDROM, hard disk drive interface, PCI buses, etc. Display Board The Display Board controls the flat-panel display monitor.
Chapter 8: Theory of Operation Block-Level Theory 160
A accessories 16 and options 16 supplied 15 acquisition troubleshooting 105 airflow requirements 27 Application software 37 applying power 33 Autoscale 35 B back panel connections 28, 30 backlight 33 backlight inverter 98 BIOS setup 104 blanking screen 33 BNC connectors 31 C cables 16 printer 28 calibration and repair service 16 interval 45 MIL-STD 16 output 35 procedure 45 cautions cleaning 39 disconnecting probes 31 environmental 11 measurement category 11 Centronics printers, see parallel printers checki
Chapter : direct mail ordering 146 F feet using 32 front panel connections 31 G GPIB cables 16 graphical interface pointing device for 30 I inspecting the oscilloscope 15 Installing Application software 37 instrument, see oscilloscope inverter, backlight 98 L LAN card 28 line voltage 27 M making oscilloscope easier to view 32 manuals 15, 16 MIL-STD calibration 16 mouse connecting 30 verifying 35 N notes screen saver 33 O operation verifying 35 options 16 and accessories 16 oscilloscope cleaning 39 inspecti
pointing device 16 connecting 30 verifying operation 35 power applying 33 connecting 27 requirements 27 turning off 34 printer cables 16, 28 printers 16 connecting 28 probes 16 connecting 31 probing a circuit 31 R repair and calibration services 16 replacing parts 146 returning the instrument to Agilent 115 RJ-45 connector 28 LAN card 28 S screen saver 33 serial printers 28 service repair and calibration 16 setup default 35 standard accessories 15 T tilting the oscilloscope 32 touchpad 16 connecting 30 trac
Chapter : –168
Safety Notices This apparatus has been designed and tested in accordance with IEC Publication EN 61010-1:2001, 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.
Notices © Agilent Technologies, Inc. 2009 No part of this manual may be reproduced in any form or by any means (including electronic storage and retrieval or translation into a foreign language) without prior agreement and written consent from Agilent Technologies, Inc. as governed by United States and international copyright laws. Manual Part Number 54904-97005, October 2009 Print History 54904-97005, Oct 2009 54904-97000, June 2009 Agilent Technologies, Inc.
