JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.3 Scanner Unit NKE-2254 (JMA-5322-7/9/6HS)
5) Remove the screws (M4) holding the
Modulator unit to replace the
Modulator unit. (Three screws in the
back)
Remove
6) After replacing the
Modulator unit, assemble the
magnetron on to the new
Modulator unit.
7) Assemble the Modulator unit
in the reverse order of the
disassembly procedure.
Do not forget to tighten the bolts
and screws, and do not forget to
reconnect the cables.
Magnetron
[Check points]
1) Turn on the radar power supply. After the countdown is completed, start emission and
check that the radar image appears without error.
Transmit radar signals on a long range (48NM) and with the test menu open, also make sure
the magnetron current is shown between the 6th and 9th calibration markings (see Section
6.1.1, page 6-1).
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