JMA-5300MkIIsm

INDEX > 4.Replacement Procedure > 4.6 Display Unit : Radar Process Unit NDC-1417
4.6.3 Radar Process Circuit replacement (CDC-1332)
Back up the necessary settings data onto a memory card before performing the
replacement.
After replacing the assembly, all items on menu will be fctory default setting.
[Required tools]
Phillips screwdriver for 3 mm screws
for 2.6 mm screws
4
Socket wrench for 5.5 mm bolts
[Replacement procedure]
1) Before starting replacement work, open the serviceman menu on the display unit and
back up the data. (Refer to Section 7.4.3 of the instruction manual)
If you do not back up the data, you will lose all display unit data.
2) Refer to Section 4.6.2, page 4-70 and remove the terminal board.
3) If there are an ARPA/ATA processing circuit board and AIS processing circuit board,
refer to Section 4.6.5, page 4-78 and Section 4.6.6, page 4-79 to remove these circuit
boards.
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