Agilent Technologies 54830 Series User manual

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Service Guide
Publication Number 54830-97013
August 2004
Copyright Agilent Technologies 1997-2004
All Rights Reserved.
Agilent Model 54830 Series
Oscilloscopes

ii
The Agilent Infiniium Oscilloscope Model 54830 Series at a Glance
Ease of use with high performance
The Agilent Technologies Infiniium oscilloscopes
combine unprecedented ease-of-use 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.
• Graphical user interface with menus,
windows, dialogs, and toolbars provides easy
access to dozens of configuration and
analysis tools, ensuring you can set up and
make the most complex measurements.
• Agilent 54830 offers 2 channels, 4 GSa/s
sampling rate in 1-channel mode, 2 GSa/s
sampling rate in 2-channel mode, 600 MHz
bandwidth. The 54830 MSO also includes 16
digital channels.
• Agilent 54831 offers 4 channels, 4 GSa/s
sampling rate in 2-channel mode, 2 GSa/s
sampling rate in 4-channel mode, 600 MHz
bandwidth. The 54831 MSO also includes 16
digital channels.
• Agilent 54832 offers 4 channels, 4 GSa/s
sampling rate in 2-channel mode, 2 GSa/s
sampling rate in 4-channel mode, 1 GHz
bandwidth. The 54832 MSO also includes 16
digital channels.
• Agilent 54833 offers 2 channels, 4 GSa/s
sampling rate in 1-channel mode, 2 GSa/s
sampling rate in 2-channel mode, 1 GHz
bandwidth. The 54833 MSO also includes 16
digital channels.
Display shows waveforms and graphical user
interface
• Graphical interface allows direct interaction
with waveforms, including drag-and-drop
positioning and instant waveform zoom
• Waveforms displayed in color, making
correlation easy
• Current configuration parameters displayed
near the waveform display and are color-
coded to make identification easy
• Graphical interface menus and toolbars
simplify complex measurement setups
Horizontal controls setsweep speed and position
• Main sweep speeds from 200 ps/div to 20 s/div
• Delayed sweep speeds from 1 ps/div to main
time base setting
• Intensified waveforms on main sweep
window make it easy to see what will appear
in delayed sweep window
Acquisition and general controls start and stop
the oscilloscope and do basic setup
• Run and stop controls for continuous or
single-shot acquisitions
• Clear display before one or more acquisitions
• Default setup and Autoscale set initial
configuration
Hard disk drive and floppy disk drive for saving
and restoring setups and measurement results
• Store measurement displays for inclusion in
reports and test setup guides
• Store oscilloscope setups to repeat tests
another time
• Hard disk stores oscilloscope operating
system
Trigger setup controls set mode and basic
parameters
• Select Edge, Glitch, or Advanced Modes
• Choose input source and slope
• Set coupling for trigger
• Use graphical user interface to simplify
configuration of pattern, state, delay,
violation, and video triggers
• Use auxiliary trigger to increase triggering
flexibility
Vertical controls set input coupling, impedance,
attenuation, and position
• AC or DC input coupling
•1MΩor 50Ωinput impedance
• Input attenuation adjustable from 2 mV/div to
1 V/div (plus 2 V/div in 1 MΩ)
• Color-coded knobs make it easy to find the
controls that affect each waveform
Marker and quick measurements help measure
waveform parameters
• Waveform markers A and B to check voltage
and ∆−time at any point on the displayed
waveform
• Quick Meas executes up to four predefined
measurements instantly
Service Policy
The service policy of this oscilloscope requires
replacing defective assemblies. Some
assemblies can be replaced on an exchange
basis. Items such as the vertical attenuators,
which are subject to wear and tear based on
frequency of use, are a maintenance item that
may need occasional replacement.

iii
Front Panel of DSO Models
Floppy Disk Drive
Power
Acquisition and
general controls
Horizontal
controls
Display and
Graphical
Interface
Marker and Quick
Measurements Vertical
Controls
Vertical
Inputs
Trigger
Setup
AutoProbe
Interface

iv
Front Panel of MSO Models
Floppy Disk Drive
Power
Acquisition and
general controls
Horizontal
controls
Display and
Graphical
Interface
Marker and Quick
Measurements Vertical
Controls
Vertical
Inputs
Trigger
Setup
AutoProbe
Interface
Digital
Control

v
Rear Panel of 54830-series oscilloscope
GPIB Interface
Mouse and
Keyboard
Interface
Display
Interface
CD-ROM
drive
Rear
foot
LAN
and
USB
Ports
Sound In
Sound Out
Microphone
TTL
Out
AC Power
Input
Aux
In
Aux
Out
Parallel
Printer Port
RS232COM
Port

vi
In This Book
This book provides the service documentation for the Agilent Technologies 54830-series
oscilloscopes. It is divided into eight chapters.
Chapter 1 provides general information and specifications.
Chapter 2 shows you how to prepare the oscilloscope for use.
Chapter 3 gives performance tests.
Chapter 4 covers calibration and adjustment procedures, how to do them, and how often they
need to be done.
Chapter 5 provides troubleshooting information.
Chapter 6 gives the procedures and techniques for replacing assemblies and other parts.
Chapter 7 includes a list of exchange assemblies and other replaceable parts, part ordering
information, and shipping information.
Chapter 8 briefly covers the internal operation of the oscilloscope.
At the back of the book you will find Safety information, Warranties, and Regulatory information.

Contents
Contents–1
1 General Information
Test equipment requirements 1-3
Accessories supplied 1-5
Options available 1-6
Accessories available 1-7
Specifications & characteristics 1-8
Agilent Technologies 54830 Series general characteristics 1-15
Recommended test equipment 1-17
2 Preparing for Use
To inspect package contents 2-3
To connect power 2-5
To connect the mouse, the keyboard, a LAN cable, a printer, and a GPIB cable 2-8
To connect oscilloscope probes 2-10
To connect the digital probe 2-12
Digital probe lead set 2-13
To tilt the oscilloscope upward for easier viewing 2-15
To turn on the oscilloscope 2-16
To turn off the oscilloscope 2-17
To verify basic oscilloscope operation 2-18
Installing application programs on Infiniium 2-19
Changing Windows System Settings 2-20
To clean the oscilloscope 2-21
3 Testing Performance
To test the dc calibrator 3-4
To test input resistance 3-6
To test voltage measurement accuracy 3-7
To test offset accuracy 3-11
To test bandwidth 3-13
To test time measurement accuracy 3-15
To test trigger sensitivity 3-22
To verify threshold accuracy 3-26
4 Calibrating and Adjusting
To run the self calibration 4-3
5 Troubleshooting
To install the fan safety shield 5-3
To troubleshoot the oscilloscope 5-4
Primary Trouble Isolation 5-6
No Display Trouble Isolation 5-10
Power Supply Trouble Isolation 5-11
To check probe power outputs 5-13
!

Contents
Contents–2
To Check the keyboard; Troubleshooting Procedure 5-14
To check the LEDs 5-15
To check the motherboard, CPU, and RAM 5-16
To check the display board video signals 5-17
To check the backlight inverter voltages 5-18
To Configure the motherboard jumpers and setup BIOS 5-19
To troubleshoot the acquisition system 5-22
Software Revisions 5-24
6 Replacing Assemblies
To return the oscilloscope to Agilent Technologies for service 6-3
To remove and replace the cover 6-4
To remove and replace the bottom sleeve 6-6
To disconnect and connect Mylar flex cables 6-8
To remove and replaced the CD-ROM drive 6-9
To remove and replace the AutoProbe assembly 6-11
To remove and replace the internal digital input cable (MSO models only) 6-13
To remove and replace the backlight inverter board 6-14
To remove and replace the front panel assembly 6-15
To remove and replace the keyboard and flat-panel display assemblies 6-19
To remove and replace the acquisition board assembly 6-22
To remove and replace the interface and GPIB board 6-24
To remove and replace the oscilloscope graphics board and display board 6-25
To remove and replace the floppy disk drive 6-26
To remove and replace the hard disk drive 6-27
To remove and replace the motherboard 6-28
To remove and replace the power supply 6-29
To remove and replace the fan controller board 6-31
To remove and replace a fan 6-32
To remove and replace the probe power and control assembly 6-33
7 Replaceable Parts
Ordering Replaceable Parts 7-2
Power Cables and Plug Configurations 7-3
Exploded Views 7-5
Replaceable Parts List 7-10
8 Theory of Operation
Block-Level Theory 8-3
Attenuator Theory 8-7
Acquisition Theory 8-7

1
Test equipment requirements 1-3
Accessories supplied 1-5
Options available 1-6
Accessories available 1-7
Specifications & characteristics 1-8
Agilent Technologies 54830 Series general characteristics 1-15
Recommended test equipment 1-17
General Information