R&S SMU200A Module Replacement
1007.9845.82 3.59 E-6
Replacing the Fans E1 and E2
(See chapter 5, spare parts list 1141.2057.01 E1, E2, parts list and drawing 1141.2105.01
The fans are fitted at the right side of the frame.
Removing the Fans E1 and E2
Remove instrument cover 1.
Remove the fans E1 and/or E2 by loosening the four screws (0041.1653).
Disconnect the fan cable at the motherboard connector (X223 and/or X224).
Installing the New Fans
Mount the new fans.
Connect the fan cables at the motherboard.
Note: Please note the direction of the airflow printed on the fan. The fan must blow the cold air into
the instrument.
Make sure to route the cable so that it cannot get into the fan.
Reinstall instrument cover 1.
Replacing the Fan E3 (See chapter 5, spare parts list 1141.2057.01 E3, parts list and drawing
1141.2105.01)
This fan is fitted behind the rear panel.
Removing the Fan E3
Remove instrument cover 1.
Remove mounting plate (1141.2786) with fan (E3) from the transverse partition at the rear by
loosening the two screws (1148.2781).
Disconnect the fan cable to the motherboard.
Remove the fan (E3) by loosening the four screws (0041.8218) at the mounting plate 1141.2786.
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