Procedure 3. Alal Keyboard/Front Panel Keys - HP 8560A Service Manual

Procedure 3. AlAl Keyboard/Front Panel Keys

Removal
1. Remove the front frame from the analyzer as described in Procedure 2, "Al Front
Frame/A18 CRT."
2. Place the front frame face-down on the bench and remove the front-frame center support.
3. Disconnect AlWl from AlAlJ3 and the RPG cable from AlAlJ2.
4. Remove the nine screws holding the AlAl Keyboard assembly to the front frame and
remove the assembly.
5. Remove the rubber keypad.
Note The front-panel softkey actuators are part of the CRT bezel assembly and
are not replaceable. Should the softkeys become damaged, replace the bezel
assembly.
Replacement
1. Install the rubber keypad, ensuring that the screw holes are visible through the pad.
2. Place the AlAl Keyboard assembly over the rubber keypad. Secure with nine panhead
screws.
3. Connect the RPG cable to AlAlJ2, and AlWl to AlAlJ3.
4. Secure the center support to the front frame using two panhead screws. The arrow
stamped on the center support should point to the top of the frame.
5. Install the front-frame assembly as described in Procedure 2, "Al Front Frame/Al8 CRT."

Procedure 3. AlAl Keyboard/Front Panel Keys

Assembly Replacement 3-11