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
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.
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
y
Horn drive cont. OUT
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.
■
Optional OPC-617 installation
Install the OPC-617 as shown below.
IC-F110/210S(EUR) 02.8.23 11:33 AM Page 12 (1,1)
