Rohde & Schwarz M3SR Series 4100, Service Manual, Page: 113 / 138

Radio Controller - Removal and Installation R&S M3SR Series 4100 HF Transceivers
5.13 6124.9007.82.01
5.6 Radio Controller - Removal and Installation
5.6.1 Removal of Radio Controller (A60)
NOTE:
When pulling out the Radio Controller (A60) all key data contained in it are erased!
To remove the Radio Controller (A60) from the R&S M3SR Series 4100 150 W HF Transceiver
proceed as follows (see also Fig. 5.7):
1. Take off the top cover of the R&S M3SR Series 4100 150 W HF Transceiver as described in
5.1 - Disassembly.
2. On the Radio Controller (A60) disconnect cables W55 and W64 from coaxial angular connectors
X55 and X54 and bend cables carefully sideways.
3. Disconnect the three ribbon cables W95, W96 and W98 from X15, X20 and X18 at the Radio
Controller (A60) very carefully.
4. By using a hex key (size 2.5 mm), unscrew the 8 screws, fixing the Radio Controller (A60).
5. Carefully pull the Radio Controller (A60) out to the top.