User's Manual

Contents
Contents-2
4 Calibrating and Adjusting
To adjust the power supply 4-4
To perform User Cal 4-7
To adjust the oscilloscope display 4-8
5 Troubleshooting
Solving General Problems with the Oscilloscopes 5-3
If there is no trace display 5-3
If the trace display is unusual or unexpected 5-4
If you cannot see a channel 5-5
Troubleshooting the Oscilloscope 5-6
To construct your own dummy load 5-7
To check out the oscilloscope 5-8
To check the Low Voltage Power Supply 5-11
To run the internal self-tests 5-13
6 Replacing Assemblies
To remove the cabinet 6-4
To remove the fan 6-5
To remove the floppy drive 6-6
To remove the front panel 6-7
To remove the display 6-8
To remove the system board 6-10
To remove the power supply 6-12
To remove the keyboard assembly 6-15
To remove the handle 6-16
7 Replaceable Parts
To order a replacement part 7-3
service.book Page 2 Wednesday, December 18, 2002 8:35 AM