Technical data

4-18
Replacing Instrument Assemblies
To Remove the A7 Front Panel Keyboard
To Remove the A7 Front Panel Keyboard
1 Follow the instructions for removing the front panel on page 4-7, and the display on page 4-14.
2 Turn the front panel face up.
3 Pull off all knobs, as shown in Figure 4-23.
Figure 4-23. Removing the Knobs
4 Turn the panel face down.
5 Use a T-10 TORX driver to remove the two screws from the touch screen board, as shown in
Figure 4-24, then lift bracket out of front panel.
Figure 4-24. Removing the Touch Screen Screws