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7.5.3 Save of Internal Memory Data (Card2) ............................................. 7-54

7.5.4 Update of Character String Data (String Data Update) ..................... 7-56

7.5.5 Clear of Antenna Operation Time (TXRX Time CLR) ........................ 7-57

7.5.6 Update of AIS Processor Program (AIS PROC Program Update) .... 7-61

8. MAINTENANCE AND INSPECTION

8.1 ROUTINE MAINTENANCE ..................................................................... 8-1

8.2 MAINTENANCE ON EACH UNIT ........................................................... 8-2

8.2.1 Scanner Unit NKE-2043/2062/2063A/2103/2254 ............................... 8-2

8.2.2 Display Unit NCD-4380 ....................................................................... 8-5

8.3 PERFORMANCE CHECK ...................................................................... 8-6

8.3.1 Test Menu ........................................................................................... 8-7

8.3.1.1 Self-diagnosis function ................................................................ 8-8

8.3.1.2 Monitor Test .............................................................................. 8-10

8.3.1.3 Operation Panel Test ................................................................. 8-11

8.3.1.4 MON Display ............................................................................. 8-13

8.3.1.5 Alarm Logging ........................................................................... 8-15

8.3.1.6 System INFO ............................................................................ 8-18

8.3.1.7 MAGI ........................................................................................ 8-19

8.3.2 Line Monitor ...................................................................................... 8-20

8.3.3 GPS Reception Status Display (GPS Status) ................................... 8-22

8.4 REPLACEMENT OF MAJOR PARTS ................................................... 8-24

8.4.1 Parts Expected for Periodic Replacement ........................................ 8-26

8.4.2 Replacement of magnetron ............................................................... 8-26

8.4.3 Motor Replacement ........................................................................... 8-49

8.4.4 Replacement of Diode Limiter (A102/A301) ...................................... 8-63

8.4.5 Replacement of Backup Battery ....................................................... 8-64

9. TROUBLESHOOTING AND AFTER-SALES SERVICE

9.1 FAULT FINDING ..................................................................................... 9-1

9.1.1 List of Alarms and other Indications .................................................... 9-1

9.1.2 Operation Checking ............................................................................ 9-4

9.1.3 Fuse Checking .................................................................................... 9-4

9.2 TROUBLE SHOOTING ........................................................................... 9-5

9.2.1 Spares ................................................................................................ 9-6

9.2.2 Special Parts ....................................................................................... 9-9

9.2.3 Circuit Block to be Repaired ............................................................. 9-10

JRC JMA-5204 User Manual

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