To Remove The Display; To Remove The System Board - HP 54616B User And Service Manual

To remove the display

Remove the front panel.
1
Disconnect the ribbon cable and the probe compensation cable from
2
the display.
Using the T10 TORX driver, remove the two screws that hold the
3
display to the deck.
Make sure that when you reinstall these screws that you use the
correct parts. If longer screws are used, they can short the system
board to ground.
As you lift the display, rotate it off the two tabs on the side of the
4
deck.

To remove the system board

Using the T10 TORX driver, remove the six screws that hold the
1
system board to the deck.
When you reinstall these screws, the long screw and spacer are used between
the two large heatsinks.
Remove the three probe sense nuts from the front panel BNC's.
2
Remove the two screws from the rear-panel interface connector and
3
the nut from the rear-panel BNC.
Disconnect the three ribbon cables and the probe compensation
4
cable.
As you remove the system board, rotate the system board so that the
5
BNCs clear the front panel.
Replacing Parts in the Oscilloscope
Service
4-49