R&S SM300
Instrument Assembly for Board and Module Exchange
Version 04
39
Service Manual SM300: 1147.1652.00
Instrument Part No SM300: 1147.1498.03
Caution
The front panel can easily be damaged when doing this!
Installing the rotary
knob
x
Put rotary knob back on and push into place manually.
1.3.3.5 Carrier Lid
Removing the carrier
lid
1.
Remove both protectors (see section 1.3.3.1).
2.
Remove handle (see section 1.3.3.2).
3.
Remove rear frame and upper(!) shell (see section 1.3.3.3).
4.
Undo 13 screws M3×4 (see Figure 1-9).
5.
Undo 6 screws on power supply M3×5 (recessed).
6.
Pull off carrier lid directly toward top. (see Figure 1-10).
Figure 1-9
Figure 1-10
Caution
Pay close attention to any damage to twist springs on top of carrier unit. If
more than two contacts are missing, the twist spring must be replaced.
Damage to contact clamp in front unit is possible!
Openings (carrier unit) and holes (carrier lid) must be in alignment!
Installing the carrier
lid
1.
Remount carrier lid on carrier unit.
2.
Fasten 13 screws (DIN7985 M3×4).
3.
Fasten 6 screws on power supply (DIN7985 M3×5).
Caution
Openings (carrier unit) and holes (carrier lid) must be in alignment!
1.
Install case top and rear frame (see section 1.3.3.3).
2.
Install handle (see section 1.3.3.2).
3.
Install both protectors (see section 1.3.3.1).
1.3.3.6 Front Panel SM300
Removing the front
panel
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.
Undo 7 special screws (two on each side, see Figure 1-11; 3 at bottom
see Figure 1-12).
5.
Pull out the complete unit towards the front.