Furuno Satellite Compass SC-50/110, Service Manual

Contents

1. Overview ...................................................................................... 1 

2. Maintenance Menu ....................................................................... 2 

1

) MONITOR display  ..............................................................................2 

2) COMPASS display  .............................................................................3 
3) R MONITOR display  ..........................................................................3 
4) R-CALIB display  ................................................................................4 
5) RATE ERR display  ............................................................................5 
6) OUTPUT display  ................................................................................5 
7) ALARM display  ..................................................................................6 
8) ANALOG display  ................................................................................6 
9) ANT MONI display  .............................................................................6 
10) MESSAGE display  ...........................................................................8 
11) REC MONI menu  .............................................................................8

3. Replacement of Battery ................................................................ 9 

4. Reading Program Number............................................................ 9 

5. Program Upgrade ......................................................................... 10 

1) MAIN board  .......................................................................................10 

2) 

CPU board  .........................................................................................11

 
6. Maintenance ................................................................................. 12 

6.1 Adjustment  .......................................................................................12 
6.2 Line voltage check  ............................................................................12 
6.3 Jumper setting....................................................................................12 
6.4 LED  ..................................................................................................12

 
7. Location of Parts........................................................................... 13 
 
Appendix 1 Protection of ICs in Data Output Circuit ......................... 15 

Appendix 2 Modification on Data Output Circuit ...............................  20 

Exploded View (Parts List) 

Radome Antanna, C7251-E01 .................................................................D-1 
Processor Unit, C7251-E02  ....................................................................D-2

 
Schematic Diagrams

Interconnection Diagram, C7251-C01  ....................................................S-1 
Processor Unit (SC-510), C7251-K01  ....................................................S-2 
POWER Board (20P8181, 1/2), C7251-K02  ..........................................S-3 
POWER Board (20P8181, 2/2), C7251-K03  ..........................................S-4