76 S-Series Oscilloscopes Service Guide
5 Replacing Assemblies
Removing and Replacing the Rear Cover and Rear Fan Assembly
1 Disconnect the power cable.
2 Disconnect all probes and BNC input cables from the front panel.
3 Disconnect any other cables, such as mouse, keyboard, printer, USB, or LAN
cables.
4 Make sure the accessory pouch is removed from the rear of the oscilloscope.
5 Loosen the two screws on back of the hard disk drive and remove the drive.
6 Remove the two M4 screws securing the handle on the top of the oscilloscope.
Remove the handle.
Keep track of which screws go with the handle because using different screws to
reattach it could result in a safety hazard.