JRC JMR-92 Series Field Service Manual page 644

Step 2 Open the fuse covers.
Open the fuse covers on the front of the PSU. The fuse covers open from left to right when
viewed from the front.
Step 3 Change the fuses.
Using a pair of 6 inch needle-nose pliers, change the fuses. The fuses are blade fuses. After
replacing the fuses, assemble to the original condition by repeating the same procedure in the
reverse order. Please make sure to tighten all the screws and set all the switches back in place.
Name Unit Name
Blade Fuse
(Auto Fuse)
Step 4 Check operation.
After the replacement of the PSU fuses is completed, turn ON the circuit breaker for the power
supply of the display unit and check the operation as follows.
(1) Start [RADAR] on the Task menu and check that 24VDC is output to the scanner unit.
(2) Perform transmission after the completion of scanner unit preheating and check that
normal radar images are displayed.
This completes PSU fuse replacement.
Location
of Use
NBD-913 NBD-913
15
4-423
Q'ty Use
2 DC32V 15A
Model Name (Code)
1015 (5ZFCK00008)
Chapter 4 Replacement procedure