JRC JMR-92 Series Field Service Manual page 347

Step 4 Replace the T/R control circuit board.
Remove the cables connected to the T/R control circuit board and the screws (seven M4
screws). Then replace it.
Set the DIP switch and jumper pins on the T/R control circuit board for the NKE-1125.
NKE-1125 (25 kW, X-band, 2 units, AC motor)
• Jumper pin settings
Jumper pin
J92,J93,J95,J96: 1-2 short circuit
After replacing the T/R control circuit board, assemble the unit in the reverse order of the
disassembly procedure. Do not forget to tighten the screws and connect the cables.
Remove the five cables.
Remove the three
screws.
• DIP switch settings ( indicates a switch.)
SW2
ON
1 2 3 4 5 6 7 8
4-127
SW1
ON
1 2
Chapter 4 Replacement procedure