ICOM IC F111S Manual De Usuario
12
3
CONNECTION AND MAINTENANCE
■Optional UT-109 /UT-110
installation
q Turn the power OFF, then disconnect the DC power cable.
w Unscrew the 4 screws, then remove the bottom cover.
e Cut the pattern on the PCB at the TX mic circuit (MIC) and
w Unscrew the 4 screws, then remove the bottom cover.
e Cut the pattern on the PCB at the TX mic circuit (MIC) and
RX AF circuit (DISC) as shown below.
r Install the scrambler unit as described in optional UT-108
installation in the page at left.
t Return the bottom cover and screws to the original posi-
tion.
NOTE: Be sure to re-solder the
above disconnected points when
you remove the scrambler units.
Otherwise no TX modulation or
AF output is available.
above disconnected points when
you remove the scrambler units.
Otherwise no TX modulation or
AF output is available.
MIC
DISC
Front panel
q Dimmer cont. IN or
IGSW cont. IN
w AF OUT
e Det. AF OUT
r Mod. IN
t PTT control IN or
IGSW cont. IN
w AF OUT
e Det. AF OUT
r Mod. IN
t PTT control IN or
y Horn drive cont. OUT
u AF GND
i Det. AF GND
o Mod. GND
u AF GND
i Det. AF GND
o Mod. GND
OPTIONAL CABLE PIN ASSIGNMENT
t r e w q
o i u y
FTSW control IN
OPC-617
Cut off the bushing as in the illustra-
tion, when you install the optional
OPC-617.
tion, when you install the optional
OPC-617.
■ Optional OPC-617 installation
Install the OPC-617 as shown below.
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