Rohde & Schwarz R&S SMU200A, Service Manual

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R&S SMU200A Module Replacement
1007.9845.82 3.49 E-6
Removing and Replacing the Front Panel
Removing the Front Panel
(See chapter 5, parts list and drawing 1141.2005.01
Switch off the instrument and pull the mains plug.
Unscrew the four screws of the front handles (1096.1480) on both sides and take off the front
handles.
Pull off the labelling panel (1141.2311) towards the front.
Unscrew two countersunk screws (1148.3288) in the front frame each at the top and at the bottom.
Completely remove the front panel with keyboard and display toward the front.
Caution!
The connecting cables are still connected to the controller.
Pull off the connecting cables to the color TFT display, DC/AC illumination converter, switch board,
rotary pulse generator and network connector at the front module controller (see figure below).
Note: When pulling off the connecting cables, be careful with the cable connecting to the keyboard. It
is a film cable which can only be disconnected after sliding up the lock of the film cable plug.
Battery
+
LAN 1 LAN 2
Contact side of switching foil (keyboard) up
Connector for rotary pulse generator
C
on
tr
ol
le
r
m
od
u
le
CPU
Connector for display and
converter adapter board
Front Module Controller Type FMR6
C
on
tr
ol
le
r
m
od
u
le
Fig. 3-1 Position of connectors on front module controller