Agilent Technologies 16800 Series User manual

Agilent Technologies
Agilent 16800 Series
Portable Logic Analyzers
Service Guide

Notices
© Agilent Technologies, Inc. 2006, 2007,
2011
No part of this manual may be reproduced
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laws.
Manual Part Number
16800-97014
Edition
Fifth edition, November 2011
Printed in Malaysia
Agilent Technologies, Inc.
1900 Garden of the Gods Road
Colorado Springs, CO 80907 USA
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Safety Notices
CAUTION
A CAUTION notice denotes a haz-
ard. It calls attention to an operat-
ing procedure, practice, or the like
that, if not correctly performed or
adhered to, could result in damage
to the product or loss of important
data. Do not proceed beyond a
CAUTION notice until the indicated
conditions are fully understood and
met.
WARNING
A WARNING notice denotes a
hazard. It calls attention to an
operating procedure, practice, or
the like that, if not correctly per-
formed or adhered to, could result
in personal injury or death. Do not
proceed beyond a WARNING
notice until the indicated condi-
tions are fully understood and met.
2 16800 Series Portable Logic Analyzers Service Guide
Trademark Acknowledgements
Windows and MS Windows are U.S. regis-
tered trademarks of Microsoft Corporation.
Windows XP is a U.S. registered trademark
of Microsoft Corporation.

16800 Series Portable Logic Analyzers Service Guide 3
The Agilent 16800 Series Logic Analyzers—At a Glance
The Agilent Technologies 16800 Series logic analyzers are
standalone benchtop logic analyzers that range from 34 to
204 logic acquisition channels and 48 pattern generator
channels, depending on the model.
Model Comparison
Features, Logic Acquisition
•1 M to 32 M memory depth per channel (depending on
memory option), software upgradeable.
•250 MHz or 500 Mb/s maximum state data rate
(depending on state speed option), software upgradeable.
The 500 Mb/s maximum state data rate option is available
on the 68- channel and above logic analyzer models.
•1 GHz, 64 M deep timing analysis on half channels.
•Eye finder (automatic threshold and sample position
setup) feature.
•4 GHz timing zoom with 64 K memory depth.
Tabl e 1 Model comparisons
Agilent model number 16801A 16802A 16803A 16804A 16806A 16821A 16822A 16823A
Logic acquisition channels 34 68 102 136 204 34 68 102
Pattern generator channels 00000484848

4 16800 Series Portable Logic Analyzers Service Guide
Features, Mainframe
•Built- in 15 inch TFT color LCD display, 1,024 x 768
(XGA) resolution. Touch screen with 16800A Option 103.
•250 GB hard disk drive (or external hard drive 16800A
Option 109).
•10/100 Base- T LAN port.
•USB 2.0 ports (six total, two on front, four on back).
•One PCI expansion slot.
•One PCI Express x1 expansion slot.
•Windows® XP Professional operating system. The 16800
Logic Analyzers with serial number MY50370000 or
greater are shipped with Windows 7 operating system.
•Agilent Logic Analyzer application which takes the
complexity out of making logic analyzer measurements.
You can perform all operations directly from one window.
Features, Pattern Generator
•24 channels at 300 MHz clock; 48 channels at 180 MHz
clock.
•Memory Depth: 16,777,216 vectors in half- channel mode.
•Logic Level (data pods): TTL, 3- state TTL/3.3v, 3- state
TTL/CMOS, ECL/PECL/LVPECL terminated, ECL
unterminated, and differential ECL (without pod).
•Data Inputs: 3- bit pattern level sensing (clock pod).
•Clock Output: Synchronized to output data, delay of 7 ns
in 14 steps (clock pod).
•Clock Input: DC to 300 MHz (clock pod).
•Internal Clock Period: Programmable from 1 MHz to
300 MHz in 1 MHz steps.
•External Clock Period: DC to 300 MHz.
•External Clock Duty Cycle: 1.3 ns minimum high time.
Supplied Accessories
•PS2 mouse.
•PS2 keyboard.
•Accessory pouch and power cord.
Optional Accessories:
•Probes.

16800 Series Portable Logic Analyzers Service Guide 5
Service Strategy
The service strategy for this instrument is the replacement
of defective assemblies. This service guide contains
information for finding a defective assembly by testing and
servicing the 16800 Series logic analyzer.
This instrument can be returned to Agilent Technologies for
all service work, including troubleshooting. Contact your
nearest Agilent Technologies Sales Office for more details.
Contacting Agilent Technologies
To locate a sales or service office near you, go to
www.agilent.com/find/contactus.

6 16800 Series Portable Logic Analyzers Service Guide
In this Service Guide
This book is the service guide for the 16800 Series logic
analyzers and is divided into eight chapters.
Chapter 1, “General Information” contains information about
the instrument including accessories, specifications and
characteristics, and a list of the equipment required for
servicing the instrument.
Chapter 2, “Preparing for Use” tells how to prepare the
instrument for use.
Chapter 3, “Testing Performance” gives instructions on how
to test the performance of the instrument.
Chapter 4, “Calibrating and Adjusting” contains calibration
instructions for the instrument.
Chapter 5, “Troubleshooting” contains self- tests and
flowcharts for troubleshooting the instrument.
Chapter 6, “Replacing Assemblies” tells how to replace the
instrument and assemblies of the instrument, and how to
return them to Agilent Technologies.
Chapter 7, “Replaceable Parts” lists replaceable parts, shows
exploded views, and gives ordering information.
Chapter 8, “Theory of Operation” explains how the
instrument works and what the self- tests are checking.
Revision History
Table 2 Revision History
Revision Reason
16800-97014, November
2011
(this version)
Changes in replaceable part numbers and the
recovery procedure for the 16800 logic analyzers
that are shipped with Windows 7 installation
(serial numbers MY50370000 or greater)
16800-97004, June 2007 Module interface board (MIB), chassis, and cover
changes. These part changes appear in serial
numbers above: MY46000901/SG46000901
16800-97003, August 2006 Changes to Testing Performance procedure.
16800-97002, July 2006 Changes to Testing Performance procedure.
16800-97001, July 2006 First edition.

16800 Series Portable Logic Analyzers Service Guide 7
Contents
1 General Information
Accessories 14
Available 14
Specifications 15
Characteristics 16
Electrical 16
Operating Environment (for indoor use only) 17
Non-Operating Environment 17
Dimensions 18
Weight 18
Recommended Test Equipment 19
2 Preparing for Use
To inspect the logic analyzer 22
To apply power 22
To clean the instrument 23
To start the user interface 23
To test the logic analyzer 23
3 Testing Performance
To perform the power-up tests 26
Logic Analyzer Test Strategy 27
Te s t In t e r v a l 27
Test Record Description 27
Te s t E q u i p m en t 27
Instrument Warm-Up 27
To Assemble the SMA/Flying Lead Test Connectors 28
To Test the Minimum Master to Master Clock Time and Minimum Eye
Width 33
Equipment Required 34

8 16800 Series Portable Logic Analyzers Service Guide
Contents
Prepare the Logic Analyzer for Testing 35
Perform System Self-Tests 36
Set Up the Test Equipment 37
Connect the Test Equipment 39
Connect the Logic Analyzer Pod to the 8133A Pulse Generator 39
Connect the 8133A Pulse Generator Output to the 54845A
Oscilloscope 40
Verify and adjust 8133A pulse generator DC offset 41
Deskew the oscilloscope 42
Set the 8133A pulse width 43
Configure the Logic Analyzer 45
Adjust the sample positions using eye finder 48
Test Pod 1 in 250 Mb/s Mode 52
Determine PASS/FAIL (1 of 2 tests) 52
Close the eye finder and Analyzer Setup dialogs 52
Configure the markers 52
Determine PASS/FAIL (2 of 2 tests) 54
Test the complement of the bits (250 Mb/s mode) 55
Test Pod 2 in 250 Mb/s Mode 57
Test the complement of the bits (Pod 2, 250 Mb/s mode) 58
Test Pods 3 and 4 in 250 Mb/s Mode 58
Test the Remaining Pods in 250 Mb/s Mode 59
Set up the second E5383A Flying Lead Probe Set 59
Test the remaining pods 59
Test Pod 1 in 500 Mb/s Mode 60
Determine and set eye finder Position (500 Mb/s mode) 61
Test the complement of the bits (Pod 1, 500 Mb/s mode) 63
Test Pod 2 in 500 Mb/s Mode 64
Set up the second E5383A Flying Lead Probe Set 64
Test Pod 2 in 500 Mb/s mode 64
Test the complement of the bits (Pod 2, 500 Mb/s mode) 65
Test the Remaining Pods in 500 Mb/s Mode 65
To re-assign pods reserved for time tag storage 66
Conclude the State Mode Tests 66
Performance Test Record 68
4 Calibrating and Adjusting
Calibration Strategy 70

16800 Series Portable Logic Analyzers Service Guide 9
Contents
5 Troubleshooting
To use the system troubleshooting flowcharts 72
To use the logic acquisition troubleshooting flowcharts 78
To use the pattern generator troubleshooting flowcharts 81
To troubeshoot system power problems 84
Power Supplies 84
To check the power supply voltages 84
To run the self-tests 88
Logic Acquisition Self-Test Descriptions 89
Pattern Generator Self-Tests Description 92
To exit the test system 96
To restore the system software 97
On a Legacy 16800 Series Logic Analyzer with Windows XP
Installation 97
On a 16800 Series Logic Analyzer with Windows 7 Installation 97
Contacting Agilent Service/Support 101
To test the logic acquisition cables 102
To assemble the 2 x 9 test connectors 102
Set up the test equipment 105
Connect the test equipment 105
Configure the logic analyzer to test Pod 1 106
Adjust sampling positions using eye finder 109
Connect and configure the logic analyzer to test other pods 111
To verify pattern generator output 114
6 Replacing Assemblies
16800 Series Logic Analyzer Disassembly/Assembly 118
Replacement Strategy 118
Tools Require d 118
To save the license file 119
To prepare the instrument for disassembly 120
To power off the system 120
To remove and replace the cover 122
To remove and replace the power supplies 123
600 watt power supply 123
Secondary power supply 124
To remove and replace the PCI or display board 126
To remove and replace the motherboard 127

10 16800 Series Portable Logic Analyzers Service Guide
Contents
To remove and replace the front panel assembly 129
To remove and replace the backlight inverter board 130
To remove and replace the touch screen controller board 131
To remove and replace the front panel bracket assembly 132
To remove and replace the USB cables 133
To remove and replace the display assembly 134
To remove and replace the keypad and keypad board 136
To remove and replace a measurement card 138
To remove and replace measurement cables 139
To remove and replace a measurement circuit board 141
To remove and replace a pattern generator card 142
To remove and replace the pattern generator probe cable 143
To remove and replace the pattern generator circuit board 144
To replace the hard disk drive 145
If you have a 16800 series Logic Analyzer with Windows XP
installation 145
If you have a 16800 series Logic Analyzer with Windows 7
installation 145
To remove and replace the tray assembly 146
To remove and replace the fans 147
60 mm fan 147
92 mm fans 148
To remove and replace the line filter assembly 149
To replace the module interface board 150
Returning Assemblies 151
7 Replaceable Parts
Ordering Replaceable Parts 154
Exchange Assemblies 154
Power Cables and Plug Configurations 155
System Replaceable Parts List 157
Cover and Front Panel Assemblies 158
Frame 160
Measurement Card Replaceable Parts List 165
Pattern Generator Card Replaceable Parts 167