JRC JMR-92 Series Field Service Manual page 326

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 fan cable.
Remove the cable for the fan that is connected to the T/R control circuit board.
Chapter 4 Replacement procedure
Remove the five
cables.
Remove the three
screws.
Remove the cable.
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