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Agilent Technologies
1680, 1690
manual
142
Models:
1690
1680
1
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Troubleshooting
Specs
Install
Parts list
To use the flowcharts
Verify the test signal
Dimension
Possible problem with
Accessories
Set up the test equipment
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Chapter 6: Replacing Assemblies
1690A,AD-series
disassembly/assembly
142
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Contents
Agilent Technologies 1680/90-Series Logic Analyzer
Features
Agilent 1680/90-Series Logic Analyzer-At a Glance
Service Strategy
This Book
Contents
To test the multiple-clock state acquisition
Troubleshooting
Theory of Operation
General Information
Accessories
Accessories Supplied Agilent Part Number
Full Channel
Specifications
Characteristics
Channel Count
Probes
Dimensions
Recommended Test Equipment
Equipment Required
Preparing for Use
Power Requirements
To inspect the logic analyzer
To apply power
To connect the 1690A,AD-series logic analyzer to a host PC
To start the user interface
To clean the logic analyzer
To test the logic analyzer
Testing Performance
Test Interval
Materials Required Description
To make the test connectors
Qty
To make the test connectors
Equipment Required Critical Specifications
To set up the test equipment and the logic analyzer
Set up the test equipment
Pulse Generator Setup Timebase Channel Trigger
Oscilloscope Setup Acquisition Display Trigger Shift ∆ Time
Set up the 1680A,AD-series logic analyzer
Channel Define meas
Set up the 1690A,AD-series logic analyzer
To perform the logic analyzer self-tests
Set the reporting level
Click Close to close the Analysis System Self Tests dialog
Set up the equipment
To test the threshold accuracy
Connect and configure the logic analyzer
Test the ECL Threshold
Test the 0 V User Threshold
Test the next pod
To set up the logic analyzer for the state mode tests
To set up the logic analyzer for the state mode tests
Click OK to close the Value dialog
To set up the logic analyzer for the state mode tests
To test the single-clock, single-edge, state acquisition
Combinations Channel 2 Output
Channel 1 Output
Combination Channel 2 Output
Verify the test signal
Check the setup/hold combination
Setup/Hold Combinations Test Sample Position Times Window
To test the single-clock, single-edge, state acquisition
Following clock configurations will be used in steps 4, 5,
To test the single-clock, single-edge, state acquisition
Following clock configurations will be used in steps 9, 10
To test the single-clock, single-edge, state acquisition
Test the next channels 1680/81A,AD and 1690/91A,AD
To test the multiple-clock state acquisition
1680A, AD or 1690A, AD only
1682A, AD or 1692A, AD only
Verify the test signal
2.0 ns 4.50 ns +3.0 ns
To test the multiple-clock state acquisition
To test the multiple-clock state acquisition
Enable the pulse generator channel 1 Comp with the LED on
Test the next channels 1680/81A, AD and 1690/91A, AD
Modify the following pulse generator settings
To test the single-clock, multiple-edge, state acquisition
1680A,AD or 1690A,AD only Pod 2, channel
1682A,AD or 1692A,AD only Pod 1, channel
Verify the test signal
Check the setup/hold with single clock, multiple clock edges
To test the single-clock, multiple-edge, state acquisition
Following clock configurations will be used in steps 3, 4,
To test the single-clock, multiple-edge, state acquisition
Test the next channels 1680/81A,AD and 1690/91A,AD
To test the time interval accuracy
Function Generator Setup
To test the time interval accuracy
Acquire and verify the test data
Click the Run icon to fill acquisition memory
To test the time interval accuracy
Threshold
Test Settings Results Self-Tests
Performance Test Record
Accuracy
Edge Acquisition
Performance Test Record Settings Results
Multiple-Clock Multiple-Edge Acquisition
Performance Test Record Settings Results Single-Clock
Time Interval
Performance Test Record
Calibrating and Adjusting
Logic analyzer calibration
Troubleshooting
To install the fan guard
To use the flowcharts
Troubleshooting the Agilent 1680A,AD-series
Start
Replace Power supply
Are both instrument
Yes Possible problem with LCD display, inverter, or cables
Does the blue
Uninstall, then reinstall Agilent Logic Analyzer application
Possible problem with
To check the power-up tests
To test the power supply voltages
Power Supply Voltages
Pin Voltage
To test the LCD display signals
Equipment Required Critical Specification
To test disk drive voltages
Disk Drive Voltages Pin No Signal
Disk Drive Voltages Pin Signals Pin No
To verify the CD-ROM
To recover the operating system
To reinstall the operating system
Problems with the Operating System
Troubleshooting the Agilent 1690A,AD-series
Yes Is the power cord Connected?
Consult host PC
Test pass?
To verify connectivity
Task Manager
Device Manager
100
101
102
To run the self-tests
General Troubleshooting
103
104
105
Acquisition board status LEDs
106
To test the logic analyzer probe cables
107
108
109
To check the BNC Trigger input/output signals
110
On the DC source, enter a voltage setting of 3.000
111
005% accuracy
To test the auxiliary power
Digital Multimeter
112
Replacing Assemblies
113
To remove the chassis from the sleeve
1680A,AD-series disassembly/assembly
Prepare the instrument for disassembly
114
To remove the acquisition board
115
116
To remove the power supply
117
To remove the hard disk drive
118
To remove the CD-ROM drive assembly
119
To remove the flexible disk drive
120
121
To remove the PCI boards
122
To remove the motherboard
123
Transfer the I/O panel to the replacement board
124
125
To remove the front panel assembly
126
Reverse this procedure to install the front panel assembly
127
To disassemble the front panel assembly
128
To remove the distribution board
129
To remove the inverter board
130
To remove the fans
131
To remove the cable tray
132
1690A,AD-series disassembly/assembly
133
To remove the fascia
134
Remove the fascia away from the front panel
135
136
To remove the deck
137
138
139
To remove the line filter
140
To remove the front panel and front frame
141
142
Replaceable Parts
143
Replaceable Parts Ordering
144
See Also
Replaceable Parts List
145
Exploded View
Exchange Assemblies
Agilent 1680A,AD-Series Replaceable Parts
Replaceable Parts Ref. Des
147
0515-0372
148
149
150
Front Panel Assembly
151
152
Exploded View
Agilent 1690A,AD-Series Replaceable Parts
154
155
156
Power Cables and Plug Configurations
157
158
Plug Type Cable Plug Description Length Color Country In/cm
Theory of Operation
159
Agilent 1680A,AD-Series Logic Analyzer Block Diagram 160
Block-Level Theory
Agilent 1680A,AD-series Logic Analyzer Theory
161
Acquisition Board
Power Supply
Logic Acquisition Board Block Diagram
162
163
164
Front Panel Board
Power Distribution Board
165
Agilent 1690A,AD-series Logic Analyzer Theory
166
Connectivity Tests 1690A,AD-series
Power-up Self-Tests 1680A,AD-series
Self-Tests Descriptions
167
Acquisition Board Self Tests
168
Logic Analyzer Self-Tests
169
170
171
172
Manual Part Number Technology Licenses
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