To Share With Rx Ant (For Duplex Communication) - Furuno FS-1575 Service Manual

3. To share with RX ANT (for DUPLEX communication)

For antenna circuit diagram, refer to "Receiving Antenna Configuration" on page 4-73.
Procedure)
1) Mount the WR2 board with four screws.
2) Put the mini-pin connector (L-200) in [J4] on the WR2 board and [J3] on the TX
board, respectively.
3) Relocate the mini-pin connector on the RX FIL board from between [J3: LPF OUT]
and [J4: BPF IN] to between [J4: BPF IN] and [J5: DIV OUT 1].
4) Put the mini-pin connector (L-380) in [J2] on the WR2 board and [J6: DIV OUT 2]
on the RX FIL board, respectively.
5) Set JP1 on the WR2 board to [WIRE] side.
6) Select [MENU] -> 9.SERVICE -> 3.RT SETUP -> 1.SETUP -> DIVIDER ->
"ON."
7) Select [MENU] -> 9.SERVICE -> 3.RT SETUP -> 1.SETUP -> RX ANT ->
"CONNECT."
8) Select [MENU] -> 5.SYSTEM -> 7.RX SETUP - > "RX ANT."
Reference)
For reception antenna can be selected through [MENU] -> 5.SYSTEM -> 7.RX
SETUP -> ANT SELECT -> "TRX ANT" or "RX ANT."
WR1 ANT
WR2 ANT
ANT RX
J8
DUP IN
J7
BPF OUT
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.
TX OUT
WR2
36MHz WR2
J4
J2
WR1
36MHz WR1
J4
J2
RX
18MHz RX
J3
J2
RX FIL
DUP FIL
J2
SIMP OUT
J1
DUP IN
J3
DUP OUT
4-89
4.8 Mounting of WR2 Board
TX
TX OUT
J5
J3
36MHz WR2
36MHz WR1
J2
J1
18MHz RX
Refer to page 4-77.
Fig. 4.8.3 WR2 Cable Connection -3