JRC JMR-92 Series Field Service Manual page 343

Step 2 Remove the transmitter-receiver unit.
Remove the cover on the right (starboard) side. Remove the cables connected to the
transmitter-receiver unit and the screws (three M5 screws) holding it in place, and then remove it.
Step 3 Remove the metal fitting holding the power supply circuit board.
Remove the cables connected to the power supply circuit board and the screws (five M4
screws) holding it in place. Remove it together with the metal fitting holding it in place.
Remove the five cables.
Remove the three screws.
Remove the five cables.
4-123 Chapter 4 Replacement procedure