Keysight Technologies Option 503 Service Manual page 540

Assembly Replacement Procedures
Front Frame Assembly
Daughter Board, Interface Board and Keypad
Removal
1. Refer to
2. Remove the display. Refer to the
3. Refer to
4. Remove the thirteen screws (0515-1521) securing the A1A2 Front Panel
5. To separate the keypad from the Front Panel Interface board, use a push
Replacement
1. Install the keypad onto the Front Panel Interface board using the pull
2. Install the A1A2 Front Panel Interface board/keypad assembly into the
3. Replace the A1A5 Front Panel Daughter board (14) by plugging it into the
4. Replace the display. Refer to the
5. Replace the RPG knob by firmly pressing it on.
540
Figure 16-106. Remove the RPG knob (17) by carefully pulling it
off.
procedure.
Figure 16-104. Remove the A1A5 Front Panel Daughter board
(14) by removing the three screws (30) (0515-0372) and unplugging it
from the front panel interface board.
Interface board to the Front Frame Assembly. The Front Panel Interface
board with the keypad attached can now be lifted from the Front Frame
Assembly.
tool or pliers to carefully separate the pull through tabs.
through tabs and alignment holes. Use a push tool or pliers to ensure that
all of the pull through tabs are properly captive on the board.
Front Frame Assembly, and replace the thirteen screws (0515-1521) to
secure. Torque to 9 inch-pounds.
Front Panel Interface board using the board to board connectors and
secure it with the three screws (30) (0515-0372). Torque to
9 inch-pounds.
procedure.
Display Assembly - LCD
Display Assembly - LCD
N9030A PXA Signal Analyzer Service Guide
removal
replacement