JRC JMR-92 Series Field Service Manual page 410

Step 4 Remove the power supply.
Remove the cables and screws (six M4 screws). Remove the power supply unit from the
transmitter-receiver unit.
Step 5 Replace the power supply circuit board
Remove the screws (six M4 screws and two M3 screws). And then remove the power supply
circuit board from the installation plate. If the thermal conductive pad on the casing on the back of
the power supply circuit board (the soldered side) is damaged, affix a new one to the replacement
power supply circuit board.
After having replaced the power supply circuit board, reassemble the unit by following the
disassembly procedure in the reverse order. Do not forget to tighten the bolts or screws, and do
not forget to reconnect the cables.
Chapter 4 Replacement procedure
Remove the six
screws.
Remove the two
screws (M3).
4-190
Remove the six
screws (M4).