Agilent Technologies XX3625 Service Manual
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Agilent Technologies XX3625 Service Manual

Agilent Technologies XX3625 Service Manual

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  • Page 1 ...
  • Page 2 The Agilent Technologies Infiniium Oscilloscope Model 54835A/45A/46A at a Glance Ease of use with high performance Acquisition and general controls start and stop the scope and do basic setup The Agilent Technologies Infiniium oscilloscopes combine unprecedented ease-of-use with high- •...
  • Page 3 Acquisition and Horizontal general controls controls Display and Floppy Disk Drive Graphical Interface Trigger Setup Vertical Power Auxiliary Marker and Quick Inputs Trigger Input Measurements Vertical AutoProbe Controls Interface...
  • Page 6 Contents...
  • Page 7 Contents...
  • Page 10 Agilent Technologies Infiniium Oscilloscope Service Guide •which computer configuration is contained in your oscilloscope •setting up the BIOS correctly for that configuration •setting the motherboard jumpers if the PC motherboard is changed. Table 1-1 Oscilloscopes Covered by this Service Guide...

  • Page 11: Chapter 1: General Information

    Chapter 1: General Information Accessories supplied Ω • User's Quick Start Guide Programmer’s Guide Programmer’s Quick Reference Agilent Technologies Infiniium Oscilloscope Service Guide...

  • Page 12: Options Available

    Option Number Description Delete standard probes Add 2 standard probes—Agilent 1161A probes for the Agilent 54835A/45A/46A Add 1 Agilent 1162A 1:1 passive probe Add 1 Agilent 1163A 10:1 500 Ω, low-C passive probe Add 1 Agilent 1152A 2.5 GHz, 0.6 pF active probe Add 1 Agilent E2613A, 0.5 mm wedge kit assembly...

  • Page 13: Accessories Available

    Agilent 34399A 6 GHz, 10:1 (500 Ω) or 20:1 (1 kΩ), .25 pF Agilent 54006A Agilent 01144-61604 1:2 probe power fan-out (for use with Agilent 1144A and Agilent 1145A) Agilent C2950A Parallel printer cable, 2 m Agilent C2951A Parallel printer cable, 3 m...
  • Page 14 Chapter 1: General Information Accessories available Agilent E2612A Touchpad Pointing Device Agilent E2625A Communication Mask Test Kit Agilent 54810-68703 Service Kit (includes service software and fan safety shield) Agilent 54801-00601 Fan Safety Shield (clips onto side of chassis with cover removed)

  • Page 15: Specifications And Characteristics

    54846A — 4-channel mode: 4 GSa/s Maximum Effective Sample Rate Equivalent Time 500 GSa/s Memory Depth 2-channel mode: 65,536 points Agilent 54835A, Agilent 54845A, and 4-channel mode: 32,768 points Agilent 54846A Memory Depth Modes Auto Optimized for best combination of update rate and display quality.
  • Page 16 50Ω: 1.0 GHz — Agilent 54835A 50Ω: 1.5 GHz — Agilent 54845A 50Ω: 2.25 GHz — Agilent 54846A 1 MΩ: 500 MHz (with Agilent 1161A probe) System Bandwidth Agilent 1161A 10:1 passive probe: 500 MHz Agilent 1162A 1:1 passive probe: 25 MHz Agilent 1163A 10:1, 500 Ω...
  • Page 17 Chapter 1: General Information Specifications & characteristics ± (1.00% of channel offset + 1% of full scale) at full-resolution channel scale. Offset Accuracy* ±[(dc gain accuracy)+(resolution)] dc Voltage Measurement Dual Cursor Accuracy* ±[(dc gain accuracy) Single Cursor +(offset accuracy)+(resolution/2)] AutoProbe Interface AutoProbe is an intelligent communication and power link between compatible probes and Infiniium scopes.
  • Page 18 Chapter 1: General Information Specifications & characteristics Trigger Sensitivity* Internal dc to 100 MHz: 0.5 div 100 MHz to 500 MHz: 1.0 div 500 MHz to 1 GHz: 1.5 div Auxiliary dc to 500 MHz: 300 mV ±15 V, CAT I Maximum Input Voltage* Auxiliary Minimum Pulse Width...
  • Page 19 Chapter 1: General Information Specifications & characteristics Display Display 8.4-inch diagonal color active matrix LCD module incorporating amorphous silicon TFTs. Active Display Area 171 mm x 128 mm (21,888 sq. mm) Waveform Viewing Area 104 mm x 159 mm (16,536 sq. mm) in Full screen mode (graphical user interface off) Display Resolution 640 pixels horizontally x 480 pixels vertically...
  • Page 20 Chapter 1: General Information Specifications & characteristics Frequency Range Agilent 54835A — 2-channel mode: dc to 2 GHz (Sample rate/2) Agilent 54835A — 4-channel mode: dc to 1 GHz (Sample rate/2) Agilent 54845A — 2-channel mode: dc to 4 GHz (Sample rate/2) Agilent 54845A —...
  • Page 21 FFT amplitude readings are affected by input amplifier roll-off (-3 dB, with amplitude decreasing as frequency increases above 500 MHz in 1 MΩ, 2.25 GHz for Agilent 54846A, 1.5 GHz in 50Ω for Agilent 54845A, 1 GHz in 50Ω for Agilent 54835A).

  • Page 22: General Characteristics

    Chapter 1: General Information Agilent Technologies 54835A/45A/46A general characteristics General Characteristics Environmental Temperature Operating: 10°C to +40°C Nonoperating: –40°C to 70°C Indoor use only Humidity Operating: Up to 95% relative humidity (noncondensing) at +40°C Nonoperating: Up to 90% relative humidity at +65°C...
  • Page 23 Chapter 1: General Information Agilent Technologies 54835A/45A/46A general characteristics...

  • Page 24: Recommended Test Equipment

    Clips onto side of chassis with cover removed Agilent 54801-00601 A, T Service software No substitution Agilent 54810-68700 Note: the Fan Safety Shield and Service software are part of the Service Kit, Agilent P/N 54810-68703. * P = Performance Tests, A = Adjustments, T = Troubleshooting...
  • Page 26 User’s Quick Start Guide...

  • Page 27: Chapter 2: Preparing For Use

    Chapter 2: Preparing for Use To inspect the instrument ❏ ❏ ❏...
  • Page 28 Minimum 15.9 mm Airflow requirements both Agilent 54835A/45A/46A – 250 sides WAR N IN G A Three-wire Power Cable is Provided This instrument is provided with a three-wire power cable. When connected to an appropriate ac power outlet, this cable grounds the instrument cabinet.
  • Page 29 Chapter 2: Preparing for Use To connect the mouse or other pointing device User’s Quick Start Guide...
  • Page 30 Chapter 2: Preparing for Use To attach the optional trackball User’s Quick Start Guide...
  • Page 31 Chapter 2: Preparing for Use To connect the keyboard RJ-45 Connection BNC Connection User’s Quick Start Guide...
  • Page 32 Chapter 2: Preparing for Use To connect oscilloscope probes CA UT IO N CA UT IO N Ω Ω ±...
  • Page 33 Chapter 2: Preparing for Use To connect a printer User’s Quick Start Guide...
  • Page 34 Chapter 2: Preparing for Use To connect an external monitor User’s Quick Start Guide...
  • Page 35 Chapter 2: Preparing for Use To tilt the oscilloscope upward for easier viewing...
  • Page 36 Chapter 2: Preparing for Use To power on the oscilloscope You Can Configure the Backlight Saver The oscilloscope display has a backlight saver that turns off the backlight when there has been no interface activity for a pre-determined period. The default time is 8 hours and is configurable through the Display Setup dialog in the graphical interface.
  • Page 37 Chapter 2: Preparing for Use To verify basic oscilloscope operation Calibration Output With the mouse pointer on the right-hand button, click the mouse to enable the graphical interface Graphical Interface Enable Button...
  • Page 38 Chapter 2: Preparing for Use To clean the instrument CA UT IO N...
  • Page 39 Ω...
  • Page 40 Test Interval Dependencies The test interval depends on frequency and severity of use and the environmental conditions under which the instrument is used. In recording test results, you may find that the test interval could be shortened or lengthened; however, such a decision should be based on substantial quantitative data. See Also...

  • Page 41: Chapter 3: Testing Performance

    Chapter 3: Testing Performance Let the Instrument Warm Up Before Testing Allow the instrument to warm up for at least 30 minutes prior to beginning performance tests. Failure to allow warm-up may cause the instrument to fail tests.

  • Page 42: Equipment Required

    To test the dc calibrator ± Equipment Required Equipment Critical Specifications Recommended Model/Part Digital Multimeter 0.1 mV resolution, better than 0.1 % accuracy Agilent 34401A Cable Agilent 10503A Adapter BNC (f) to banana (m) Agilent 1251-2277 Figure 3-1 Click the mouse with the...
  • Page 43 Chapter 3: Testing Performance To test the dc calibrator Figure 3-2 Set Aux Output to DC Set the output voltage Selecting DC in the Calibration Dialog – ( V1 V2 – 2.489 – 2.497 ------------------- - ---------------------------------------- - 0.999 If the test fails Repair is necessary.

  • Page 44: To Test Input Resistance

    Ω ± Ω ± Equipment Required Equipment Critical Specifications Recommended Model/Part Digital Multimeter Measure resistance (4-wire) at better than Agilent 34401A 0.25% accuracy Cables (2) Agilent 10503A Adapter BNC Tee (m)(f)(f) Agilent 1250-0781 Adapters (2) BNC (f) to dual banana (m)
  • Page 45 : ± : ± Equipment Required Equipment Critical Specifications Recommended Model/Part Power Supply 7 mV to 30 Vdc, 0.1 mV resolution Agilent 6114A Digital Multimeter Better than 0.1% accuracy Agilent 34401A (DVM) Cables (2) Agilent 10503A Adapters (2) BNC (f) to banana (m)
  • Page 46 Chapter 3: Testing Performance To test voltage measurement accuracy Figure 3-4 Voltage Measurement Accuracy Equipment Setup Ω Figure 3-5 Select Equivalent Time sampling mode Leave Memory Depth Enable averaging on Automatic Set the number of averages to 32 Acquisition Setup for Voltage Accuracy Measurement...
  • Page 47 Chapter 3: Testing Performance To test voltage measurement accuracy Scale Offset Supply Tolerance Limits ± 163.8 V 2 V/div* 2.5 V 4.836 V to 5.164 V ± 82 mV 1 V/div 2.5 V 4.918 to 5.082 V ± 41 mV 500 mV 1.75 V 3.5 V...
  • Page 48 Chapter 3: Testing Performance To test voltage measurement accuracy Figure 3-7 Set the scale from the table Set the offset from the table Vertical Scaling and Offset for Voltage Accuracy Measurement To Set Vertical Scale and Position You can also use the knobs to set the vertical scale and position, but it is usually easier to use the dialog box, particularly for the fine position setting.
  • Page 49 To test offset accuracy ± Equipment Required Equipment Critical Specifications Recommended Model/Part 0.5 V to 2 Vdc, ±1 mV accuracy Power Supply Agilent 6114A Digital Multimeter Better than 0.1% accuracy Agilent 34401A (DVM) Cables (2) Agilent 10503A Adapters (2) BNC (f) to banana (m)
  • Page 50 Chapter 3: Testing Performance To test offset accuracy If the test fails Offset errors can be caused by the need for self-calibration. Perform self-calibration (see chapter 4, “Calibrating and Adjusting”) before troubleshooting the instrument.
  • Page 51 Ω Ω Equipment Required Equipment Critical Specifications Recommended Model/Part 10—2250 MHz at ≈200 mVrms Signal Generator Agilent 8664A 1—1.5 GHz ±3% accuracy Power Meter/Sensor Agilent EPM-441A/8482A Power Splitter outputs differ by <0.15 dB Agilent 11667A Cable Type N (m) 24 inch...
  • Page 52 Chapter 3: Testing Performance To test bandwidth µ µ Ω 1500 MHz ----------------------- - response dB 20log 20log ________=_______dB 10 MHz 487 mV ------------------- 20log 20log 0.871 – 1.19dB 559 mV − − − − − − −...
  • Page 53 Chapter 3: Testing Performance To test bandwidth Ω Ω If the test fails Failure of the bandwidth test can be caused by a faulty attenuator or main assembly. A self calibration may correct a bandwidth failure.

  • Page 54: To Test Time Measurement Accuracy

    × ≥ 1.4 × Equipment Required Equipment Critical Specifications Recommended Model/Part Signal Generator 1-100 MHz, Agilent 8664A timebase accuracy - 0.25 ppm RF Amplifier 40 MHz to 1 GHz, 20 dB gain Agilent 8447D Cable Type-N 24 inch Agilent 11500B...
  • Page 55 Chapter 3: Testing Performance To test time measurement accuracy Figure 3-8 Horizontal Setup for Equivalent Time Procedure Figure 3-9 Use the risetime measurement to verify correct waveform shape for the time measurement accuracy check Waveform for Time Measurement Accuracy Check...
  • Page 56 Chapter 3: Testing Performance To test time measurement accuracy Figure 3-10 Acquisition Setup for Equivalent Time Procedure Figure 3-11 Source Selection for Delta Time Measurement...
  • Page 57 Chapter 3: Testing Performance To test time measurement accuracy Figure 3-12 Measurement Settings for Time Interval Measurement For valid statistical data In equivalent time mode, measurement specifications are valid with sixteen or more acquisitions averaged. Statistics accumulated before the required number of averaged acquisitions may show the instrument to fail the specification.
  • Page 58 Chapter 3: Testing Performance To test time measurement accuracy µ ± µ Figure 3-13 New Measurement Settings for Delta Time Measurement µ ± µ µ...
  • Page 59 Chapter 3: Testing Performance To test time measurement accuracy Figure 3-14 Acquisition Setup for Real Mode Procedure (showing Agilent 54845A) Figure 3-15 Measurement Definitions for Real Mode Procedure...
  • Page 60 Chapter 3: Testing Performance To test time measurement accuracy ± ± ± ± µ µ ± µ µ µ ± µ µ µ ± µ µ µ ± µ µ If the test fails Before troubleshooting the oscilloscope, be sure to verify your test setup and the waveform shape, then repeat the procedure.
  • Page 61 500 MHz: 300 mV Equipment Required Equipment Critical Specifications Recommended Model/Part Signal Generator 100 and 500 MHz, 1.0 GHz, 30-80 mVrms output Agilent 8664A Power Splitter outputs differ by <0.15 dB Agilent 11667A BNC feedthrough, 50 Ω Termination Agilent 10100C...
  • Page 62 Chapter 3: Testing Performance To test trigger sensitivity Ω Figure 3-17 Setting the Markers for a 0.5 Division Reference...
  • Page 63 Chapter 3: Testing Performance To test trigger sensitivity Ω Ω Ω Ω If a test fails Failure of the internal trigger or external trigger sensitivity tests can be caused by a defective main assembly or attenuator. Failure of the auxiliary trigger sensitivity is caused by a problem on the main assembly or a bad input cable.

  • Page 65: Performance Test Record

    Performance Test Record Agilent Technologies Agilent Technologies 54835A/45A/46A Oscilloscope Model Number _____________________ Tested by___________________ Serial Number ___________________________ Work Order No.___________________ Recommended Test Interval - 1 Year/2000 hours Date___________________ Recommended next testing___________________ Ambient temperature ___________________ Test Limits Results (Vmax - Vmin)/5 =...
  • Page 66 Down from reference: Channel 1 Channel 2 Channel 3 Channel 4 Ω Input) Equivalent Time Agilent 54835A <3.0 dB at 1000 MHz ___________ ___________ ___________ ___________ Agilent 54845A <3.0 dB at 1500 MHz Agilent 54846A <3.0 dB at 2250 MHz Realtime 2 channel (4 GSa/s) Agilent 54835A <3.0 dB at 1000 MHz...
  • Page 68 ± °...

  • Page 69: Chapter 4: Calibrating And Adjusting

    Chapter 4: Calibrating and Adjusting Let the Oscilloscope Warm Up Before Adjusting Warm up the oscilloscope for 30 minutes before starting adjustment procedures. Failure to allow warm- up may result in inaccurate calibration. WAR N IN G WAR N IN G...
  • Page 70 Chapter 4: Calibrating and Adjusting To check the power supply Equipment Required Equipment Critical Specifications Recommended Model/Part Accuracy ±0.05% Digital Voltmeter Agilent 34401A WAR N IN G Figure 4-1 Power Supply Test Points...
  • Page 71 Chapter 4: Calibrating and Adjusting To check the power supply Table 4-1 Power Supply Voltage Limits Supply Voltage Specification Limits +5.1 V ± 0.1 V +5.0 V to +5.2 V -5.2 V ± 0.1 V -5.1 V to -5.3 V +12.2 V ±...
  • Page 72 Chapter 4: Calibrating and Adjusting To check the 715 Hz auxiliary output (probe compensation squarewave) Ω...
  • Page 73 Chapter 4: Calibrating and Adjusting To check the flat panel display (FPD) Flat-Panel Display Specifications Defect Type Limit Width ≤ 0.05 mm Polarizer Scratch Length ≤ 10 mm φ ≤ 0.4mm Dent N ≤ 5 Dot Defect Bright dot (A dot is defined as 1, 2, or 3 stuck N ≤...
  • Page 74 Chapter 4: Calibrating and Adjusting To check the flat panel display (FPD) Figure 4-2 Click to start the test Select Screen to do the flat-panel display test Starting the Screen Test...
  • Page 75 Chapter 4: Calibrating and Adjusting To check the flat panel display (FPD) Figure 4-3 Click one of these buttons to select the background color to check Screen Test...
  • Page 76 Recommended Model/Part BNC 50 Ω 9 inch Cable Agilent 10502A Let the Oscilloscope Warm Up Before Running the Self Calibration The self calibration should only be done after the oscilloscope has run for one half hour at ambient temperature with the cover installed. Calibration of an oscilloscope that has not warmed up may result in performance test failure.
  • Page 77 Chapter 4: Calibrating and Adjusting To run the self calibration Figure 4-4 Clear this check box before starting calibration Click here to start calibration Calibration Dialog Clear Cal Memory Protect to Run self calibration You cannot run self calibration if this box is checked. If calibration fails Go to chapter 5 “Troubleshooting.”...
  • Page 80 WAR N IN G WAR N IN G...

  • Page 81: Chapter 5: Troubleshooting

    Chapter 5: Troubleshooting To install the fan safety shield Figure 5-1 Fan Safety Shield Installing the Fan Safety Shield...
  • Page 82 Chapter 5: Troubleshooting To troubleshoot the instrument...
  • Page 83 Chapter 5: Troubleshooting To troubleshoot the instrument Primary Trouble Isolation Perform Power-Up Check Display Display on Go to No Display Screen? Troubleshooting Run Scope Self Tests Scope Self-Tests Go to Acquisition Pass? Troubleshooting Check Front Panel Response Front Panel Run Knob, Key, and Response OK? LED Tests Knob, Key, and...
  • Page 84 Chapter 5: Troubleshooting Primary Trouble Isolation Figure 5-2 Power-on Display Default (Graphical Interface Disabled)
  • Page 85 Chapter 5: Troubleshooting Primary Trouble Isolation...

  • Page 86: Primary Trouble Isolation

    Chapter 5: Troubleshooting Primary Trouble Isolation No Display Trouble Isolation Chart Remove cabinet and install fan guard Check fan connections and power-on Fans running? Go to Power Supply Power LED Lit? Trouble Isolation Connect external monitor, cycle power, and check power up sequence Use visual &...
  • Page 87 Chapter 5: Troubleshooting No Display Trouble Isolation WAR N IN G WAR N IN G...

  • Page 88: No Display Trouble Isolation

    Chapter 5: Troubleshooting No Display Trouble Isolation Table 5-1 Power-On Sequence with External Monitor Connected Time Audible Indicators Visible Indicators Description Troubleshooting Power-on Power-on the instrument and listen for the fans and the hard disk drive. The hard disk is located behind the floppy drive against the chassis side wall.
  • Page 89 Chapter 5: Troubleshooting No Display Trouble Isolation Time Audible Indicators Visible Indicators Description Troubleshooting HDD clicking* PC Power-On Self Test The HDD begins clicking* as it is If there is no display on the (POST) memory test message accessed by the system. The external monitor, either the on external monitor.
  • Page 90 Chapter 5: Troubleshooting No Display Trouble Isolation Power Supply Trouble Isolation Check Power Supply Voltages Check power supply Voltages OK? resistances Check for display Replace shorted Resistance OK? onscreen assembly Display Override the Remote onscreen? Inhibit Signal Power supply and Power supply OK, display OK, return to return to no-display...
  • Page 91 Chapter 5: Troubleshooting Power Supply Trouble Isolation Figure 5-3 Power Supply Voltage Test Locations (A13) Table 5-2 Power Supply Voltage Limits Supply Voltage Specification Limits +5.1 V ± 0.1 V +5.0 V to +5.2 V -5.2 V ± 0.1 V -5.1 V to -5.3 V +12.2 V ±...
  • Page 92 Chapter 5: Troubleshooting Power Supply Trouble Isolation Reconnect Assemblies and Cables Reconnect all assemblies after testing. The oscilloscope must have all cables connected for correct power If you want to test the power supply without any assemblies connected, the +5 V supply must be loaded to 2 A.
  • Page 93 Chapter 5: Troubleshooting Power Supply Trouble Isolation Figure 5-5 Front Panel Power Switch A8 Cursor Keyboard A7 Front Panel Keyboard A6 Scope Interface Board A13 Acquisition Board +15 V Bias Remote Inhibit A1 Power Supply Routing of +15 V Bias and Remote Inhibit Signals Ω...
  • Page 94 Chapter 5: Troubleshooting To check probe power outputs Use the table and figure to the right Supply to check the power output at the connectors. –3V The +12 V and –12 V supplies come directly from the power Offset supply, and the +3 V and –3 V Data supplies are developed in three-terminal regulators on...
  • Page 95 Chapter 5: Troubleshooting To check the keyboard Figure 5-6 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...
  • Page 96 Chapter 5: Troubleshooting To check the keyboard CA UT IO N...
  • Page 97 Chapter 5: Troubleshooting To check the LEDs Figure 5-7 LED Test Screen Test by Rows You can use the Marker B arrow keys to test LEDs by row; however, in the event that two LED indicators are shorted together, there is a small chance that the test will not reveal the failure.
  • Page 98 Chapter 5: Troubleshooting To check the LEDs ± ± ± ± ±...
  • Page 99 Chapter 5: Troubleshooting To check the motherboard, CPU, and RAM AMI Atlas-III PCI/ISA AMD-K6(tm)-/200 Checking NVRAM 16000 KB OK WAIT... <INS> Pressed RUN SETUP Press F1 to Resume Messages Vary Slightly These messages may vary slightly depending on the motherboard version.
  • Page 100 Chapter 5: Troubleshooting To check the SVGA display board video signals Table 5-5 Video Signals Pin Number Signal +3.3 V 3, 5-6 4, 7-9, 11, 15, 19, 23, 27, 31, 35, 38, 40 Ground 12-14, 16-18 Blue video 20-22, 24-26 Green video 28-30, 32-34 Red video...
  • Page 101 Chapter 5: Troubleshooting To check the backlight inverter voltages Table 5-6 Backlight Inverter Board Input Voltages Input Pin # Backlight OFF 12 V 12 V 12 V Backlight ON 12 V 12 V...

  • Page 102: Post Code Listing (Ami Motherboard Only)

    Chapter 5: Troubleshooting POST Code Listing (AMI Motherboard only) POST Code Listing Checkpoint Code Description The NMI is disabled. Power on delay is starting. Next, the initialization code checksum will be verified. Initializing the DMA controller. Starting memory sizing next. Returning to real mode.
  • Page 103 Chapter 5: Troubleshooting POST Code Listing (AMI Motherboard only) Uncompressed Initialization Codes The following runtime checkpoint codes are listed in order of execution. These codes are uncompressed in F0000h shadow RAM. Checkpoint Code Description The NMI is disabled. Next, checking for a soft reset or a power on condition. The BIOS stack has been built.
  • Page 104 Chapter 5: Troubleshooting POST Code Listing (AMI Motherboard only) Completed post-video ROM test processing. If the EGA/VGA controller is not found, performing the display memory read/write test next. The EGA/VGA controller was not found. The display memory read/write test is about to begin. The display memory read/write test passed.
  • Page 105 Chapter 5: Troubleshooting POST Code Listing (AMI Motherboard only) The A20 address line, parity, and the NMI are disabled. Adjusting the memory size depending on relocation and shadowing next. The memory size was adjusting for relocation and shadowing. Clearing the Hit message next. The Hit message is cleared.
  • Page 106 Chapter 5: Troubleshooting POST Code Listing (AMI Motherboard only) Returned after setting the RS-232 base address. Performing any required initialization before the Coprocessor text next. Required initialization before the Coprocessor test is over. Initializing the Coprocessor next. Coprocessor initialized. Performing any required initialization after the Coprocessor text next. Initialization after the Coprocessor text is complete.
  • Page 107 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS...
  • Page 108 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS...
  • Page 109 To configure the motherboard jumpers and set up the BIOS Agilent Technologies Service Note Describes Upgrade Details For improved performance and hard disk drive reliability refer to Agilent Technologies Service Note 54810A-06. This service note gives detailed information for upgrading to 64 MB RAM, upgrading to revision 2.51 or newer code, and enabling power management in the BIOS.
  • Page 110 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Figure 5-9 J24, J25 J37, J39 Series 727 Motherboard Jumpers...
  • Page 111 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS CA UT IO N A 100-MHz Clock Is Required The AMD-K5-PR133 processor requires a 100 MHz clock. The processor part number is printed on the top of the part. +12V Pin 1...
  • Page 112 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS BIOS Release 727XXXXXX NVRAM Ignored 16000 KB OK WAIT... <INS> Pressed RUN SETUP Press F1 to Resume Messages Vary Slightly These messages may vary slightly depending on the motherboard version.
  • Page 113 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS WINBIOS Keyboard Commands Keystroke Action <Tab> Change or select a global field. ←, ↑, →, ↓ Change or select the current field. <Enter> Perform an operation in the current field. Increment a value.
  • Page 114 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Table 5-7 Series 727 System Configuration Settings Configuration Item Setting Load Optimal Defaults Peripheral Setup (OnBoard Primary/Secondary IDE) Primary Detect IDE Utility (Hard drive Primary Master) Data Standard Setup—Date/Time Enter current values Standard Setup—Floppy Drive A...
  • Page 115 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Figure 5-10 J5, J6, J7, J8 VRM Connector Series 757 Rev C Motherboard Jumpers...
  • Page 116 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS CA UT IO N +12V Pin 1...
  • Page 117 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS CA UT IO N AMI Atlas-III PCI/ISA BIOS Release 757XXXXXX AMD-K6(tm)-/200 Checking NVRAM XXXXXX KB OK WAIT... <INS> Pressed RUN SETUP Press F1 to Run SETUP Press F2 to load default values and continue Messages Vary Slightly These messages may vary slightly depending on the motherboard version.
  • Page 118 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS WINBIOS Keyboard Commands Keystroke Action <Tab> Change or select a global field. ←, ↑, →, ↓ Change or select the current field. <Enter> Perform an operation in the current field. Increment a value.
  • Page 119 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Table 5-8 Series 757 System BIOS Settings with 1.44 Mbyte floppy drive Configuration Item Setting Load Optimal Defaults Standard Setup—Date/Time Enter current values Standard Setup—Floppy Drive A 1.44 MB, 3-1/2 Standard Setup—Floppy Drive B Not Installed...
  • Page 120 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Figure 5-11 J5, J6, J7, J8, J16 VRM Connector Series 757 Rev D Motherboard Jumpers...
  • Page 121 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS CA UT IO N +12V Pin 1...
  • Page 122 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS CA UT IO N AMI Atlas-III PCI/ISA BIOS Release 757XXXXXX AMD-K6(tm)-/200 Checking NVRAM 65536 KB OK WAIT... <INS> Pressed RUN SETUP Press F1 to Run SETUP Press F2 to load default values and continue Messages Vary Slightly These messages may vary slightly depending on the motherboard version.
  • Page 123 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS WINBIOS Keyboard Commands Keystroke Action <Tab> Change or select a global field. ←, ↑, →, ↓ Change or select the current field. <Enter> Perform an operation in the current field. Increment a value.
  • Page 124 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Table 5-9 Series 757 System BIOS Settings with 120 Mbyte floppy drive Configuration Item Setting Load Optimal Defaults Standard Setup—Date/Time Enter current values Standard Setup—Floppy Drive A Not Installed Standard Setup—Floppy Drive B Not Installed...
  • Page 125 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS Figure 5-12 S1 CPU voltage select S2 frequency select Power select jumper FIC VA-503A Motherboard 2.2 V Core S1-1 S1-2 S1-3 S1-4 S1-5 S2 (System Frequency select) Switches S2-1 through S2-3 set the ratio of CPU Frequency/Bus Frequency. This is set to 4X for the K6-2/400 MHz processor.
  • Page 126 Chapter 5: Troubleshooting To configure the motherboard jumpers and set up the BIOS a Set Date and Time b Primary Master Type Auto c Primary Master Mode Auto d Primary Slave None e Secondary Master None Secondary Slave None g Drive A None h Drive B None...
  • Page 127 Chapter 5: Troubleshooting To troubleshoot the acquisition system a Onboard FDD Controller Disabled b Onchip IDE second channel Disabled...
  • Page 128 Chapter 5: Troubleshooting To troubleshoot the acquisition system Acquisition Trouble Isolation (1 of 4)
  • Page 129 Chapter 5: Troubleshooting To troubleshoot the acquisition system Acquisition Trouble Isolation (2 of 4)
  • Page 130 Chapter 5: Troubleshooting To troubleshoot the acquisition system Acquisition Trouble Isolation (3 of 4)
  • Page 131 Chapter 5: Troubleshooting To troubleshoot the acquisition system Acquisition Trouble Isolation (4 of 4) Return the Known Good Attenuator to Original Channel If you swap attenuators to verify that the failure follows the attenuator assembly, return the known good attenuator to its original channel so that the attenuator contact counter is consistent with the specific attenuator.
  • Page 132 Chapter 5: Troubleshooting To troubleshoot the acquisition system...
  • Page 133 Chapter 5: Troubleshooting To troubleshoot the acquisition system...
  • Page 134 Chapter 5: Troubleshooting To troubleshoot attenuator failures Ω Ω Ω Ω...
  • Page 135 Chapter 5: Troubleshooting To troubleshoot attenuator failures Ω Ω Ω...

  • Page 136: To Troubleshoot Attenuator Failures

    Chapter 5: Troubleshooting To troubleshoot attenuator failures Attenuator Assembly Troubleshooting Set attenuator Replace faulty contact counter to attenuator assembly zero for channels and put good where attenuator assembly back in assembly replaced original channel. Perform Connectivity Test on all channels Swap failing channel attenuator assembly Perform Connectivity...
  • Page 137 Chapter 5: Troubleshooting Software Revisions Enable the Graphical Interface The graphical interface must be enabled to select this command. Figure 5-13 About Infiniium... Information...
  • Page 140 CA UT IO N CA UT IO N WAR N IN G...

  • Page 141: Chapter 6: Replacing Assemblies

    Chapter 6: Replacing Assemblies To return the instrument to Agilent Technologies for service...
  • Page 142 Chapter 6: Replacing Assemblies To remove and replace the cover CA UT IO N Figure 6-1 Cover Fasteners...
  • Page 143 Chapter 6: Replacing Assemblies To disconnect and connect Mylar flex cables Figure 6-2 Disconnecting a Mylar Ribbon Cable Figure 6-3 Connecting Mylar Ribbon Cables...
  • Page 144 Chapter 6: Replacing Assemblies To remove and replace the AutoProbe assembly Figure 6-4 Disconnecting W13 Figure 6-5 Access Hole...
  • Page 145 Chapter 6: Replacing Assemblies To remove and replace the AutoProbe assembly Figure 6-6 Pushing Out the AutoProbe Faceplate CA UT IO N...
  • Page 146 Chapter 6: Replacing Assemblies To remove and replace the probe power and control assembly Avoid Interference with the Fan You may need to use a Torx key or stubby Torx driver to avoid interference with the fan. Figure 6-7 Removing the Probe Power and Control Assembly...
  • Page 147 Chapter 6: Replacing Assemblies To remove and replace the backlight inverter board WAR N IN G Figure 6-8 Removing the Backlight Inverter Board...
  • Page 148 Chapter 6: Replacing Assemblies To remove and replace the front panel assembly Figure 6-9 Removing the BNC Nuts Figure 6-10 SMB Cable W18 and Comp Wire W19...
  • Page 149 Chapter 6: Replacing Assemblies To remove and replace the front panel assembly Figure 6-11 Disconnecting W16, W20, and the Backlight Cables Figure 6-12 Front Panel Side Screws...
  • Page 150 Chapter 6: Replacing Assemblies To remove and replace the keyboard and flat-panel display assemblies Figure 6-13 Front Panel Cover Plate Screws Keep Long Screws Separate for Re-assembly The four screws that fasten the keyboard to the front panel plate are longer than those around the perimeter of the plate.
  • Page 151 Chapter 6: Replacing Assemblies To remove and replace the keyboard and flat-panel display assemblies Figure 6-14 Removing the Cursor Keyboard Figure 6-15 Removing the backlights CA UT IO N...
  • Page 152 Chapter 6: Replacing Assemblies To remove and replace the acquisition board assembly Figure 6-16 Removing the Acquisition Assembly...
  • Page 153 Chapter 6: Replacing Assemblies To remove and replace the LAN interface board CA UT IO N Figure 6-17 Removing the LAN Interface Board...
  • Page 154 Chapter 6: Replacing Assemblies To remove and replace the GPIB interface board CA UT IO N Figure 6-18 Removing the GPIB Interface Board...
  • Page 155 Chapter 6: Replacing Assemblies To remove and replace the scope interface board and SVGA display board Figure 6-19 Removing the Scope Interface and SVGA Display Boards...
  • Page 156 Chapter 6: Replacing Assemblies To separate the scope interface board and SVGA display board CA UT IO N...
  • Page 157 Chapter 6: Replacing Assemblies To remove and replace the Option 200 sound card CA UT IO N...
  • Page 158 Chapter 6: Replacing Assemblies To remove and replace the hard disk drive CA UT IO N CA UT IO N Figure 6-20 Removing the Hard Disk Drive...
  • Page 159 Chapter 6: Replacing Assemblies To remove and replace the floppy disk drive Figure 6-21 Removing the Floppy Disk Drive Screws CA UT IO N...
  • Page 160 Chapter 6: Replacing Assemblies To remove and replace the motherboard Figure 6-22 Removing the Motherboard Torx Screws...
  • Page 161 Chapter 6: Replacing Assemblies To remove and replace the motherboard...
  • Page 162 Chapter 6: Replacing Assemblies To remove and replace the power supply WAR N IN G Figure 6-23 Removing Power Supply Cables...
  • Page 163 Chapter 6: Replacing Assemblies To remove and replace the fan WAR N IN G Figure 6-24 Removing Fan Fasteners CA UT IO N...
  • Page 164 Chapter 6: Replacing Assemblies To remove and replace the CPU Figure 6-25 Removing the CPU...
  • Page 165 Chapter 6: Replacing Assemblies To remove and replace RAM SIMMs or SDRAM DIMMs Figure 6-26 Removing RAM SIMMs...
  • Page 166 Chapter 6: Replacing Assemblies To remove and replace an attenuator CA UT IO N Do Not Remove the Attenuators from the Acquisition Board Attenuators are part of the acquisition board. When replacing the acquisition assembly, do not remove the attenuators.
  • Page 167 Chapter 6: Replacing Assemblies To remove and replace an attenuator Figure 6-27 Removing an Attenuator If You Permanently Replace Parts When you replace acquisition system components, you should rerun the self calibration routines prior to performance verification or use of the instrument.
  • Page 168 Chapter 6: Replacing Assemblies To reset the attenuator contact counter Figure 6-28 Self Test...
  • Page 169 Chapter 6: Replacing Assemblies To reset the attenuator contact counter Figure 6-29 Attenuator Relay Actuations Setup...
  • Page 170 Chapter 6: Replacing Assemblies To remove and replace an acquisition hybrid CA UT IO N...
  • Page 171 Chapter 6: Replacing Assemblies To remove and replace an acquisition hybrid CA UT IO N If You Permanently Replace Parts When you replace acquisition system components, you should rerun the self calibration routines prior to performance verification or use of the instrument.
  • Page 172 Chapter 6: Replacing Assemblies To remove and replace an acquisition hybrid Figure 6-30 Removing the Hybrid Connector...
  • Page 174 Agilent Technologies Infiniium Oscilloscope Service Guide...

  • Page 175: Chapter 7: Replaceable Parts

    90/230 * Part number shown for plug is industry identifier for plug only. Number shown for cable is Agilent Technologies part number for complete cable including plug. ** These cords are included in the CSA certification approval of the equipment.

  • Page 176: Exploded Views

    Chapter 7: Replaceable Parts Exploded Views A2A1 MP61 MP53 MP50 MP51 MP17 W18, H17, H15 MP64 MP56 MP62 or MP63 MP15 and MP49 Old version New version MP69 MP54 MP16 New version Front Frame and Front Panel...
  • Page 177 Chapter 7: Replaceable Parts Exploded Views A13A1 A13A2 B1 & B3 A13A5-8 Optional Fan Safety Shield MP60 Fan and Acquisition Assembly...
  • Page 178 Chapter 7: Replaceable Parts Exploded Views MP57 MP55 MP60 Power Supply and PC Motherboard...
  • Page 179 Chapter 7: Replaceable Parts Exploded Views A4A2/A3 (RAM) W24/25 A4A1 AMI Series 727 (Atlas PCI-II) Motherboard for PC Motherboard Configuration 1...
  • Page 180 Chapter 7: Replaceable Parts Exploded Views A19 (Option 200) not shown A4A2/A3 (RAM) A4A1 W24/25 A4A4 AMI Series 757 Rev C and Rev D (Atlas PCI-III) Motherboard for PC Motherboard Configurations 2, 3, and 4...
  • Page 181 Chapter 7: Replaceable Parts Exploded Views 1.44 Mbyte Floppy Drive Configuration for PC Motherboard Configurations 1, 2, and 3...
  • Page 182 Chapter 7: Replaceable Parts Exploded Views 120 Mbyte Floppy Drive Configuration for PC Motherboard Configuration 4...
  • Page 183 Chapter 7: Replaceable Parts Exploded Views W24/25 A4A1 A4A2 FIC VA-503A Motherboard for PC Motherboard Configuration 5...
  • Page 184 Chapter 7: Replaceable Parts Exploded Views 120 Mbyte Floppy Drive Configuration with FIC Motherboard for PC Motherboard Configuration 5...
  • Page 185 Chapter 7: Replaceable Parts Exploded Views MP14 MP20 MP52 MP13 MP70 MP70 MP72 MP12 Old version MP19 MP19 MP38 Sleeve and Accessory Pouch...
  • Page 186 Chapter 7: Replaceable Parts Exploded Views Attenuator Assembly...
  • Page 187 Chapter 7: Replaceable Parts Replaceable Parts List...

  • Page 188: Replaceable Parts List

    END CAP - HANDLE MP14 54810-68701 ACCESSORY POUCH MP15 54815-94301 LABEL-KNOBS AND KEYS LABEL BNC-4 CH (Agilent 548/35A/45A/46A - 1 M Ω ≅ 12pF 100V Max) MP16 54845-94304 MP17 54845-94305 LABEL-LOGO (Infiniium 1.5 GHz, 8 GSa/s) for 54845A MP17 54835-94302 LABEL-LOGO (Infiniium 1.0 GHz, 4 GSa/s) for 54835A...
  • Page 189 Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts Ref. Agilent Part Des. Number Description To identify the motherboard configuration, see "To configure the motherboard jumpers and set up the BIOS in chapter 5. Depending on the motherboard configuration, determine which hard drive, motherboard, CPU, RAM, floppy drive, chassis, and cables are used in your unit.
  • Page 190 Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts Ref. Agilent Part Des. Number Description PC Motherboard Configuration 4 (AMI Motherboard w/120 MByte Floppy Drive)(serial prefix range US3919 through US3935 with rear-panel label VIN # 025) 54810-66524 PC Motherboard AMI Series 757 REV D (Atlas PCI-III)
  • Page 191 See PC Motherboard Configurations earlier in this table. 54810-66506 AUTOPROBE CONTROL BOARD 54835-66527 4-CH ACQ. BD. (4 GSa/s) Agilent 54835A W/ATTENUATORS AND A/D FISOS 54845-66527 4-CH ACQ. BD. (8 GSa/s) Agilent 54845A W/ATTENUATORS AND A/D FISOS 54846-66527 4-CH ACQ. BD. (8 GSa/s) Agilent 54846A W/ATTENUATORS AND A/D FISOS...
  • Page 192 MP57 54801-01208 HARD DRIVE BRACKET-2.5" HD MP60 See PC Motherboard Configurations earlier in this table. MP61 54801-88001 LENS - DISPLAY MP63 54815-41901 FRONT-PANEL KEYPAD-MAIN (4-CH) (Agilent 54835A/45A/46A) MP64 54810-41902 KEYPAD-CURSOR MP65 54803-44101 RF ABSORBER SHEET MP66 54803-40605 SHIELD BNC GROUND...
  • Page 193 Chapter 7: Replaceable Parts Replaceable Parts List Replaceable Parts Ref. Agilent Part Des. Number Description See PC Motherboard Configurations earlier in this table. See PC Motherboard Configurations earlier in this table. See PC Motherboard Configurations earlier in this table. 54801-61612 ACQUISITION CABLE (w/ AMP-LATCH(r) connector on each end.

  • Page 196: Chapter 8: Theory Of Operation

    Chapter 8: Theory of Operation Instrument Block Diagram Shown for Original Configuration w/1.44 MByte Floppy Drive...
  • Page 197 Service Guide...
  • Page 198 Chapter 8: Theory of Operation Block-Level Theory Ω...
  • Page 199 Chapter 8: Theory of Operation Block-Level Theory...
  • Page 200 Chapter 8: Theory of Operation Block-Level Theory TIME BASE CHANNEL 1,2 TRIGGER Acquisition Block Diagram...
  • Page 201 Chapter 8: Theory of Operation Attenuator Theory Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω Ω...
  • Page 202 Chapter 8: Theory of Operation Acquisition Theory...
  • Page 203 Chapter 8: Theory of Operation Acquisition Theory...

  • Page 205: Declaration Of Conformity

    This product was tested in a typical configuration with Agilent Technologies test systems. Colorado Springs, 03/04/97 John Strathman, Quality Manager European Contact: Your local Agilent Technologies Sales and Service Office or Agilent Technologies GmbH, Department ZQ / Standards Europe, Herrenberger Strasse 130, D-71034 Böblingen Germany (FAX: +49-7031-14-3143)
  • Page 206 Product Regulations Safety IEC 1010-1:1990+A1 / EN 61010-1:1993 UL 3111 CSA-C22.2 No.1010.1:1993 This Product meets the requirement of the European Communities (EC) EMC Directive 89/336/EEC. Emissions EN55011/CISPR 11 (ISM, Group 1, Class A equipment) Immunity EN50082-1 Code Notes IEC 555-2 IEC 555-3 IEC 801-2 (ESD) 8kV AD IEC 801-3 (Rad.) 3 V/m...
  • Page 207 WA RN I NG CAU T ION...
  • Page 208 Agilent Technologies Infiniium Oscilloscopes Service Guide for Agilent Model 54835A/ 45A/46A...

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