JRC JMA-5212-4/6 - 9.1.2 Operation Checking; 9.1.3 Fuse Checking

9.1 FAULT FINDING
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9.1.2 Operation Checking
When the system is operating, the operation status (located at the upper right of the screen) is changing
pictures.
If picture freeze occurred, turn off the system and restart the system.
9.1.3 Fuse Checking
Melted fuses are caused by any clear cause. When a fuse is replaced, it is necessary to check the related
circuits even if there is no trouble. In checking, note that there is some dispersion in the fusing
characteristics. Table 9-6 shows a list of fuses used in the equipment.
Table 9-6 Fuse List
Location Parts No. Current Rating Type Protection Circuit Scanner Unit
Radar processing circuit F2 5A ST4-5AN1 I/F circuit NKE-2103 (10kw)
Radar processing circuit F3 10A ST6-10AN1 I/F circuit NKE-2103 (10kw)
Radar processing circuit F2 10A ST6-10AN1 I/F circuit NKE-2254 (25kw)
Radar processing circuit F3 10A ST6-10AN1 I/F circuit NKE-2254 (25kw)