Keysight Infiniium MSOS404A Service Guide

6 S-Series Oscilloscopes Service Guide
Run the keyboard, LED, and touch screen self tests. / 55
Run a user calibration / 57
Verify system performance / 57
Power Supply Troubleshooting / 58
Using the Power Fault LEDs / 59
Types of Faults / 61
Sequencer Group Faults / 62
Motherboard Troubleshooting / 63
Display Troubleshooting / 65
Setting up the BIOS / 66
Keyboard Troubleshooting / 67
LED Troubleshooting / 68
Touch Screen Troubleshooting / 69
Checking probe power outputs / 70
Before You Contact Keysight / 71
5 Replacing Assemblies
ESD Precautions / 74
Tools Required / 74
Returning the Oscilloscope to Keysight Technologies for Service / 75
Removing and Replacing the Rear Cover and Rear Fan Assembly / 76
Removing and Replacing the Front Panel, Bezel, Keyboards, Display/Touch Screen Assembly,
and AutoProbe Board / 79
Removing and Replacing the Processor Assembly / 87
Removing and Replacing the Acquisition Board / 89
Setting the Calibration Factors after Replacing the Acquisition Board / 91
Removing and Replacing the Motherboard / 92
Removing and Replacing the Power Supply / 93
6 Replaceable Parts
Ordering Replaceable Parts / 96
Exploded Views / 97
Replaceable Parts List / 102

Keysight Infiniium MSOS404A Specifications

General

Brand	Keysight
Model	Infiniium MSOS404A
Category	Test Equipment
Language	English