JRC JMR-92 Series Field Service Manual page 354

Step 3 Replace the receiving unit.
Remove the screws (five M4 screws) holding the receiver in place. Remove the cables
connected to the receiver, then replace it. Transfer the metal fitting from the removed receiver to
the replacement receiver and fit it into the casing.
After having replaced the receiver, reassemble the unit by following the disassembly procedure
in the reverse order. Do not forget to tighten the bolts or screws, and make sure that the cables are
connected.
Step 4 Operation check
After having completed the replacement, turn On the safety switch and check operation by
following the procedure below.
(1) Turn On the Display unit. After the countdown is completed, start transmission and check
that the radar image appears without error. Transmit the radio wave in the long range
mode and open the service engineer menu to perform tuning adjustment. Perform the
adjustment in the service engineer menu until the tuning display bar on the display unit
reaches the 8th calibration mark.
This completes receiving unit replacement.
Chapter 4 Replacement procedure
Remove the five
screws.
Remove the cable.
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