JRC JMR-5406-X Instruction Manual page 541

Symptom
Radar images cannot be
tuned.
The azimuth of the radar
image is not displayed
correctly.
The range of the radar
image is not displayed
correctly.
Interswitch does not
function.
If the power supply is
turned off, the trail data is
cleared without being
stored.
Cause
The magnetron is deteriorated
significantly.
(Case where an radar antenna that
uses a magnetron is connected)
Coarse tuning adjustment has not
been performed correctly.
A solid-state radar antenna is
connected.
Azimuth is not set correctly.
CCRP is not set correctly.
The GPS radar antenna position is
not set correctly.
The range is not set correctly.
CCRP is not set correctly.
The GPS radar antenna position is
not set correctly.
Power for the interswitch is not
turned on.
The connection with the interswitch is
abnormal.
The interswitch is faulty.
The terminal board circuit
(CQD-2322) is faulty.
The internal wiring is faulty.
The processing unit (NDC-1678) is
faulty.
The processing unit (NDC-1678) is
faulty.
16-21
Action
Replace the magnetron.
[Memo]
For magnetron replacement, always
request the work to the specialized
service person. Before starting the
work, turn off the power supply of the
display unit. Otherwise, an
unexpected accident may occur.
Perform coarse tuning adjustment
correctly.
Tuning bar is not displayed for a
solid-state radar antenna.
Set the azimuth correctly.
Set CCRP correctly.
Set the GPS radar antenna position
correctly.
Set the range correctly.
Set CCRP correctly.
Set the GPS radar antenna position
correctly.
Turn on the power for the interswitch.
Check the connection with the
interswitch.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Make a request to the distributor for
repair.
Section 16 Failures and After-Sale Services
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