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
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