Icom IC-FR4000 Service Manual page 44

6-3 Duplexer and isolater
installation
q Remove the top and bottom covers (See page 6-1).
w Tighten 4 screws, A, for installing the duplexer unit.
3 Tighten 4 screws, B, for installing the isolater unit.
BOTTOM VIEW OF THE REPEATER
4 Cut the RX ANT-RX unit cable and then modify it.
5 Connect the modified cable to the duplexer unit (RX
frequency connector).
5
4
BOTTOM VIEW OF THE REPEATER
RX ANT-RX unit cable modification
CUT
Cut the wire here.
Solder the cable with connector.
DUPLEXER
Plug the cable to the duplexer.
A
B
B
A: SET SCREW (C) 3×10
B: SET SCREW (H) 3×8
6 Unplug the TX ANT–PA unit cable from the TX ANT
connecter (CHASSIS), and then plug to the isolater
(input connector).
BOTTOM VIEW OF THE REPEATER
7 Connect the *cable between the isolator (output
connector) and the duplexer (TX frequency connec-
tor).
8 Connect the *cable between the duplexer (ANT
connector) and the TX ANT connector (CHASSIS).
9 Return the top and bottom cover to their original po-
sition.
BOTTOM VIEW OF THE REPEATER
*NOTE:
Connection cable are not supply with the iso-
later and the duplexer. Therefore, need to
make them by yourself.
6 - 2
7
8
6