To Next Page

To Previous Page

Contents

Chapter 5. Block Description

5.1 Configuration.................................................................................................................5-1

5.1.1 Transceiver unit ..............................................................................................5-1

5.1.2 Boards in Transceiver unit..............................................................................5-3

5.1.3 Control unit, FS-2570C...................................................................................5-5

5.1.4 NBDP Terminal unit: IB-581/583 (Option)....................................................5-6

5.1.5 Antenna coupler unit.......................................................................................5-8

5.2 Power supply unit ..........................................................................................................5-9

5.2.1 General............................................................................................................5-9

5.2.2 RELAY board (05P0744)................................................................................5-10

5.2.3 SW REG board (05P0737) .............................................................................5-10

5.3 T-CPU board (05P0732)................................................................................................5-11

5.3.1 Function of CPU.............................................................................................5-12

5.3.2 Memory...........................................................................................................5-12

5.3.3 Control signals................................................................................................5-13

5.3.4 Interface circuit ...............................................................................................5-19

5.3.5 Digital Signal Processor (DSP).......................................................................5-21

5.4 TX/RX Board (05P0733)...............................................................................................5-22

5.4.1 Block diagram.................................................................................................5-22

5.4.2 Local oscillator................................................................................................5-23

5.4.3 Transmitter/Receiver circuit............................................................................5-25

5.5 Power Amplifier (PA)....................................................................................................5-32

5.5.1 FS-1570T PA board (05P0735).......................................................................5-32

5.5.2 FS-2570T DRV board (05P0738)...................................................................5-34

5.5.3 FS-2570T PA board (05P0739).......................................................................5-35

5.5.4 FS-2570T COMB board (05P0740)................................................................5-36

5.5.5 TX FIL board (05P0736) ................................................................................5-37

5.6 W/R board (05P0734)....................................................................................................5-39

5.7 C-CPU Board (05P0729)/C-IF Board (05P0730)..........................................................5-42

5.7.1 C-CPU Board (05P0729)................................................................................5-43

1. CPU.............................................................................................................5-43

2. Memory.......................................................................................................5-43

3. LED .............................................................................................................5-43

4. NMI SW ......................................................................................................5-43

5.7.2 C-IF Board (05P0730) ....................................................................................5-44

5.7.3 Handset ...........................................................................................................5-45

Furuno FS-1570 Service Manual

Other manuals for Furuno FS-1570