R&S SM300
Instrument Assembly for Board and Module Exchange
Version 04
47
Service Manual SM300: 1147.1652.00
Instrument Part No SM300: 1147.1498.03
1.3.3.12
Control PC Module
Removing the control
PC module
1.
Remove both protectors (see section 1.3.3.1).
2.
Remove handle (see section 1.3.3.2).
3.
Remove rear frame and both cases (see section 1.3.3.3).
4.
Remove carrier lid (see section 1.3.3.5).
5.
Remove duoblind (see section 1.3.3.8).
6.
Pull control PC module out toward rear of instrument. When removing
the module, make sure that the springs in the carrier unit are not
damaged (see Figure 1-31).
Figure 1-31
Installing the control
PC module
1.
Insert control PC module from top, and push it in until it connects with
backplane. When removing the module, make sure that the springs in
the carrier unit are not damaged.
2.
Install duoblind (see section 1.3.3.8).
3.
Install carrier lid (see section 1.3.3.5).
4.
Install both cases and rear frame (see section 1.3.3.3).
5.
Install handle (see section 1.3.3.2).
6.
Install both protectors (see section 1.3.3.1).
1.3.3.13
Power Supply
Removing the power
supply
1.
Remove both protectors (see section 1.3.3.1).
2.
Remove handle (see section 1.3.3.2).
3.
Remove rear frame and both cases (see section 1.3.3.3).
4.
Remove carrier lid (see section 1.3.3.5).
5.
Remove duoblind (see section 1.3.3.8).
6.
Remove control PC module (see section 1.3.3.12).
7.
Undo 6 special screws at bottom.
8.
Pull power supply out toward rear. Do not apply strong pressure on
backplane (risk of damage to conductor tracks on PCB). After removing
power supply, remove any splinters that may be present in carrier unit.
Caution
Be careful not to lose the silicon profile.
