R&S M3SR Series 4100 HF Transceivers R&S GB 4000C - Removal and Installation
6124.9007.82.01 5.18
5.8 R&S GB 4000C - Removal and Installation
5.8.1 Removal of R&S GB 4000C Comfort Control Unit
To remove R&S GB 4000C Comfort Control Unit from the R&S M3SR Series 4100 150 W
HF
Transceiver proceed as follows (see also Fig. 5.11):
1. Take off the bottom cover of the R&S M3SR Series 4100 150 W HF Transceiver as described in
5.1 - Disassembly.
2. Disconnect the ribbon cable W400 from connector X240 at the Motherboard.
3. By using a screw driver, undo and remove the four screws on the R&S GB 4000C Control Unit
front fixing it to R&S
M3SR Series 4100 150 W HF Transceiver.
4. Carefully take off R&S GB 4000C Comfort Control Unit to the front.
5. At the bottom of R&S GB 4000C Comfort Control Unit bend locking pins on connector X400 side-
ways and detach cable W400 from X400.
Fig. 5.11 Undoing Screws at the R&S GB 4000C Comfort Control Unit
ICN-S4100-A-E11100-R-D0894-00120-A-01-1