R&S SM300 - Page 40

Instrument Assembly for Board and Module Exchange R&S SM300
Version 04 40
Service Manual SM300: 1147.1652.00 Instrument Part No SM300: 1147.1498.03
Figure 1-11
Figure 1-12
Caution
The keyboard cable is very short; do not stretch it too far!
6. Disconnect keyboard cable (short flat cable). (see
Figure 1-13; Figure
1-14).
7. Remove rotary knob (see section
1.3.3.4).
8. Undo 2 screws below rotary knob and pull spinwheel out toward rear
(see
Figure 1-15).
9. Place front panel board on soft surface.
10. Undo 6 fastening screws on front panel SM300 (see
Figure 1-16).
11. Remove keyboard PCB and keypad (see
Figure 1-17, Figure 1-18).
Figure 1-13 Figure 1-14
Figure 1-15
Figure 1-16