Rohde & Schwarz M3SR Series 4100, Service Manual, Page: 107 / 138

Digital Selector - Removal and Installation R&S M3SR Series 4100 HF Transceivers
5.7 6124.9007.82.01
5.3 Digital Selector - Removal and Installation
5.3.1 Removal of FK 41x0 Digital Selector
To remove the FK 41x0 Digital Selector from the R&S M3SR Series 4100 150 W HF Transceiver
proceed as follows (see also Fig. 5.4):
1. Take off the top cover of R&S M3SR Series 4100 150 W HF Transceiver as described in
5.1 - Disassembly.
2. On FK 41x0 Digital Selector disconnect cables W2111, W313 and W324 from coaxial angular
connectors X301, X302 and X303 and bend cables carefully sideways.
3. By using the two pull-out levers at both ends, carefully pull the Digital Selector Module out to the
top.
Fig. 5.4 Removing the FK 41x0 Digital Selector
1 FK 41x0 Digital Selector
2 Connector X303
3 Connector X301
4 Cable W2111
5 Cable W313
6 Cable W324
7 Connector X302
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