Drv Board: 05P0866A, 05P0866B (Fs-5075, -2575); Pa Board: 05P0866A, 05P0866B, 05P0868 (Fs-5075, -2575, -1575); Tx Fil Board: 05P0870A, 05P0870B, 05P0876; Comb Board: 05P0869 (Fs-5075) - Furuno FS-1575 Service Manual

3. DRV board: 05P0866A, 05P0866B (FS-5075, -2575)

Check for Tx output power.
If necessary, make ALC adjustment referring to actions to be taken to replace the TX
FIL board. Prior to making the adjustment, ensure that power data is set to default. For
the adjustment procedure, refer to information on page 5-50.
Note) Apply a coating of silicone compound to locations specified.

4. PA board: 05P0866A, 05P0866B, 05P0868 (FS-5075, -2575, -1575)

Check for Tx output power.
If necessary, make ALC adjustment referring to actions to be taken to replace the TX
FIL board. Prior to making the adjustment, ensure that power data is set to default. For
the adjustment procedure, refer to information on page 5-50.
Note) Apply a coating of silicone compound to locations specified.
5. TX FIL board: 05P0870A, 05P0870B, 05P0876 (FS-5075, -2575, -1575)
Check for TX output power.
Make adjustment of the "R43" ALC to set the TX output power to a specified level. For
the adjustment procedure, refer to information on page 5-50. Prior to making the
adjustment, ensure that power data is set to default.
Apply a coating of silicone compound to the dummy load resistor.
R43: ALC

6. COMB board: 05P0869 (FS-5075)

No setting is required.
Apply a coating of silicone compound to the dummy load resistor.

7. PA-IF board: 05P0864, 05P0864A (FS-5075/-2575, -1575)

No setting is required.

8. RX board: 05P0842 (FS-5075, -2575, -1575)

No setting is required.

9. DUP-FIL board: 05P0863 (FS-5075)

No setting is required.
CONFIDENTIAL (internal use only)
This confidential document is used only by FURUNO authorized persons.
It is strictly prohibited to reproduce the document in whole or in part without prior written permission of FURUNO.
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6.10 Replacement of Boards