Furuno FS-1575 Service Manual page 213

Installation-5)
FS-5075 (FULL DUP): ANT Installation with RX ANT and WR2 Shared - 1
To distribute a signal received with R. ANT through DIV AMP and input it in RX and
WR2:
The DUP FIL board should be incorporated. In order to enable DUP mode, it is
required to incorporate the DUP FIL board, set "RX ANT" to "CONNECT," and set
"ANT SELECT" to "RX ANT."
ATU
WR1 ANT
WR2 ANT
Setting Submenu
[MENU] -> 9.SERVICE -> 4.RT SETUP -> 1.SETUP -> RX ANT
[MENU] -> 5.SYSTEM -> 7.RX SETUP -> 2.ANT SELECT
[MENU] -> 9.SERVICE -> 4.RT SETUP -> 1.SETUP -> DIVIDER
WR1, 2 Jumper [J3]
Signal Control
Board
Name Relay
TX FIL BK ON K17, K19
RX FIL: K1
RX ANT
RX FIL (ATU: K30)
DIVIDER CR24
DUP- SIMP_
K1
FIL DUP
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 FIL
(05P0870A)
T/R ANT
T/R ANT
K17
RX RF
K19
J3
R. ANT
DIVIDER
T/R ANT
K1
30M LPF
J2
R. ANT
R. ANT
RX ANT
J1
RX FIL
(05P0862A/B)
WR1 ANT
WR2 ANT
FS-5075T
Switches; TX, RX state.
Switches to RX ANT on the following conditions:
• [MENU]-> 9.SERVICE -> 4.RT SETUP -> 1.SETUP -> RX ANT ->
CONNECT
• [MENU]-> 5.SYSTEM -> 7.RX SETUP -> 2.ANT SELECT -> RX ANT
[MENU] -> 9.SERVICE -> 4.RT SETUP -> 1.SETUP -> DIVIDER -> ON
DUP/SIMP switching allowed on the RT window on the condition that the
DUP FIL board is incorporated, RX ANT is set to "ON" and DUP is set to
"CH."
4-77
Fig. 4.7.12 Installation-5
DUP FIL
(05P0863)
TX IN
TX FIL SIMP_DUP
(LPF x 8)
J1
DUP IN
J1
K1
SIMP OUT
BK ON
J2
DUP OUT
J3
DIV OUT1
Q1
J5
DIV
AMP DIV OUT2
SW
J6
CR2
LPF OUT
J3
BPF IN
RX BPF,
PRE SEL
J4
(x 5)
ANT RX
BPF OUT
RX
(05P0842)
J7
J2
DUP IN
J8
ANT WR1
WR1
(05P0847A)
J2
ANT WR2
WR2
(05P0847B)
J2
Setting
CONNECT
Note) T/R antenna connected to the
ground
RX ANT
ON
WR1: Active/Wire, WR2: Wire
Operation
4.7 SERVICE
For FS-5075
DUP FIL
( x 8)
J4-19
(DUP INST)