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90000 X Series
Service manual
Keysight 90000 X Series Service Manual
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Testing Performance
Table of Contents
Vertical Performance Verification
Offset Accuracy Test
DC Gain Accuracy Test
Analog Bandwidth - - Maximum Frequency Test
Time Scale Accuracy (TSA) Test
Performance Test Record
Troubleshooting
Primary Trouble Isolation
Power Supply Troubleshooting
Setting up the BIOS
Motherboard Verification
Display Troubleshooting
Acquisition/Backplane Assembly Troubleshooting
Keyboard Troubleshooting
LED Troubleshooting
Touch Screen Troubleshooting
Checking Probe Power Outputs
MSO Assembly Troubleshooting
Before You Contact Keysight
Replacing Assemblies
ESD Precautions
Tools Required
To Return the Oscilloscope to Keysight Technologies for Service
To Remove and Replace the Cover, Top Plate, and Bottom Plate
To Remove and Replace the Front Panel Assembly
To Remove and Replace Front Panel Assembly Parts
To Remove and Replace the Motherboard
To Remove and Replace the Acquisition Boards/Backplane/Optional MSO Assembly
To Remove the Backplane Assembly from the Acquisition/Optional MSO Assembly
To Set the Calibration Factors after Replacing the Acquisition Board
To Remove and Replace the Hard Disk Drive
Cable Removal (for Replacing the Motherboard)
To Remove and Replace the Power Supply
To Remove and Replace the Fans
To Remove and Replace the USB or GPIB Port
Theory of Operation
Motherboard Assembly
Acquisition Assembly
Backplane Assembly
Front Panel Assembly
Power Supply Assembly
MSO Assembly
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Table of Contents
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Keysight Infiniium
90000 X/L-Series Oscilloscopes
Service Guide
Table of
Contents
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Chapters
Testing Performance
19
Troubleshooting
49
Replacing Assemblies
79
Theory of Operation
121
Table of Contents
Troubleshooting
Power Supply Troubleshooting
55
Display Troubleshooting
68
Acquisition/Backplane Assembly Troubleshooting
70
Keyboard Troubleshooting
71
LED Troubleshooting
72
Touch Screen Troubleshooting
73
MSO Assembly Troubleshooting
75
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