HP 54645A - To Remove the Display; To Remove the System Board

To remove the display
1
Remove the front panel on the HP 54645A/D.
2
Disconnect the ribbon cable and the calibration cable from the
display.
3
Using the T10 TORX driver, remove the two screws that hold the
display to the deck.
Make sure that when you re-install these screws that you use the
correct parts. If longer screws are used, they can short the system
board to ground.
4
As you lift the display, rotate it off the two tabs on the side of the
deck.
To remove the system board
1
Using the T10 TORX driver, remove the eight screws that hold the
system board to the deck.
2
Remove the two screws from the rear-panel interface connector.
3
Remove the hex nut and washer from the rear BNC (HP 54645A/D).
4
Disconnect the three ribbon cables and the calibration cable.
5
As you remove the system board, rotate the system board so that the
BNCs clear the front panel.
Replacement Parts
To remove the display
8-6