Module Replacement R&S SMB
1407.0806.82 3.44 E-6
Replacing the TFT Display (A330), Encoder Board (A310), Flex.
Switch Board and Pushbutton Board Set
It is recommended to replace the front unit as a whole. Principally, it is possible to replace the individual
components of the front unit (see figure below).
(See chapter 5, drawing 1406.7507.01).
The TFT display is clipped in the display frame, which nestles in the mounting trough. The flex.
switchboard and the pushbutton board are also lying in the mounting trough. These parts are fixed with
the holding plate on the mounting trough. For replacement proceed as follows:
Switch off the instrument and pull the mains plug.
Unscrew the four screws of the shock mounts (front right and front left) on both sides and take them
off.
Dismounting the case.
Remove the front cover and the front unit (see above).
Place the front unit together with the keys onto a clean surface.