JRC JMR-92 Series Field Service Manual page 691

After replacing the relay terminal block, assemble to the original condition by repeating the same
procedure in the reverse order. Please make sure to tighten all the screws and connect all the
cables back in place.
Cables / wires must be connected to the same slot as before replacement.
Be aware not to make reverse connection of DC+ and DC-.
When UPS has been installed, make sure that the rotary switch of UPS is being set at
the same position as before replacement. Do not forget inserting the fuse into UPS
battery.
Step 6 Check operation.
After the replacement of the Relay terminal block is completed, turn ON the circuit breaker for
the main power supply and for the power supply of the display unit. Check the operation as
follows.
(1) Turn ON the power to the display unit, make sure that screen display is normal, and
there are no abnormalities in operation and processing.
(2) If a scanner unit is being connected, start [RADAR] on the Task menu, perform
transmission, and check that normal radar images are displayed.
This completes Relay terminal block replacement.
Chapter 4 Replacement procedure 4-470