Contents
Contents–2
Mainframe Cal Factor Memory Error 4-2
Operating Hints 4-3
Loading Default Oscilloscope Settings 4-3
Loading New Software 4-3
Calibration Procedures 4-3
To check the power supply 4-4
To check the 715 Hz auxiliary output (probe compensation squarewave) 4-6
To check the flat panel display (FPD) 4-7
To run the self calibration 4-10
5 Troubleshooting 5-2
Safety 5-2
Tools Required 5-2
ESD Precautions 5-2
Keystroke Conventions 5-2
Default Setup 5-3
To install the fan safety shield 5-3
To troubleshoot the instrument 5-4
Primary Trouble Isolation 5-6
No Display Trouble Isolation 5-9
Power Supply Trouble Isolation 5-13
To check probe power outputs 5-16
To check the keyboard 5-17
To check the LEDs 5-19
To check the motherboard, CPU, and RAM 5-21
To check the SVGA display board video signals 5-22
To check the backlight inverter voltages 5-23
POST Code Listing (AMI Motherboard only) 5-24
To configure the motherboard jumpers and set up the BIOS 5-29
To troubleshoot the acquisition system 5-49
To troubleshoot attenuator failures 5-56
Software Revisions 5-59
6 Replacing Assemblies 6-2
ESD Precautions 6-2
Tools Required 6-2
To return the instrument to Agilent Technologies for service 6-3
To remove and replace the cover 6-4
To disconnect and connect Mylar flex cables 6-5
To remove and replace the AutoProbe assembly 6-6
To remove and replace the probe power and control assembly 6-8
To remove and replace the backlight inverter board 6-9
To remove and replace the front panel assembly 6-9
To remove and replace the keyboard and flat-panel display assemblies 6-12
To remove and replace the acquisition board assembly 6-14
To remove and replace the LAN interface board 6-15
To remove and replace the GPIB interface board 6-16
To remove and replace the scope interface board and SVGA display board 6-17
To separate the scope interface board and SVGA display board 6-18
To remove and replace the Option 200 sound card 6-19
To remove and replace the hard disk drive 6-20
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